diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index ec50b83d..062e746b 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -37,7 +37,7 @@ function MainLayout() {
   const [navOpen, setNavOpen] = useState(!(isMobile || isTablet));
 
   return (
-    <div className="dark:bg-raisin-black relative h-screen overflow-hidden">
+    <div className="bg-background relative h-screen overflow-hidden">
       <Navigation navOpen={navOpen} setNavOpen={setNavOpen} />
       <ActionButtons showNewChat={true} showShare={true} />
       <div
diff --git a/frontend/src/Hero.tsx b/frontend/src/Hero.tsx
index 8b08430b..11042365 100644
--- a/frontend/src/Hero.tsx
+++ b/frontend/src/Hero.tsx
@@ -21,10 +21,10 @@ export default function Hero({
   }>;
 
   return (
-    <div className="text-black-1000 dark:text-bright-gray flex h-full w-full flex-col items-center justify-between">
+    <div className="text-black-1000 dark:text-foreground flex h-full w-full flex-col items-center justify-between">
       {/* Header Section */}
       <div className="flex grow flex-col items-center justify-center pt-8 md:pt-0">
-        <div className="mb-4 flex items-center">
+        <div className="mb-px flex items-center">
           <span className="text-4xl font-semibold">DocsGPT</span>
           <img className="mb-1 inline w-14" src={DocsGPT3} alt="docsgpt" />
         </div>
@@ -44,9 +44,9 @@ export default function Hero({
                 <button
                   key={key}
                   onClick={() => handleQuestion({ question: demo.query })}
-                  className={`border-dark-gray text-just-black hover:bg-cultured dark:border-dim-gray dark:text-chinese-white dark:hover:bg-charleston-green w-full rounded-[66px] border bg-transparent px-6 py-[14px] text-left transition-colors ${key >= 2 ? 'hidden md:block' : ''}`}
+                  className={`border-border text-foreground hover:bg-muted dark:hover:bg-muted/50 bg-card w-full rounded-[66px] border px-6 py-3.5 text-left transition-colors dark:bg-transparent ${key >= 2 ? 'hidden md:block' : ''}`}
                 >
-                  <p className="text-black-1000 dark:text-bright-gray mb-2 font-semibold">
+                  <p className="text-black-1000 dark:text-foreground mb-2 font-semibold">
                     {demo.header}
                   </p>
                   <span className="line-clamp-2 text-gray-700 opacity-60 dark:text-gray-300">
diff --git a/frontend/src/Navigation.tsx b/frontend/src/Navigation.tsx
index 4e631160..6032d841 100644
--- a/frontend/src/Navigation.tsx
+++ b/frontend/src/Navigation.tsx
@@ -328,7 +328,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                 />
               </button>
             )}
-            <div className="text-gray-4000 text-[20px] font-medium">
+            <div className="text-muted-foreground text-[20px] font-medium">
               DocsGPT
             </div>
           </div>
@@ -338,7 +338,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
         ref={navRef}
         className={`${
           !navOpen && '-ml-96 md:-ml-72'
-        } bg-lotion dark:border-r-purple-taupe dark:bg-chinese-black fixed top-0 z-20 flex h-full w-72 flex-col border-r border-b-0 transition-all duration-300 ease-in-out dark:text-white`}
+        } bg-sidebar dark:border-r-sidebar-border fixed top-0 z-20 flex h-full w-72 flex-col border-r border-b-0 transition-all duration-300 ease-in-out dark:text-white`}
       >
         <div
           className={'visible mt-2 flex h-[6vh] w-full justify-between md:h-12'}
@@ -380,7 +380,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
           className={({ isActive }) =>
             `${
               isActive ? 'bg-transparent' : ''
-            } group border-silver hover:border-rainy-gray dark:border-purple-taupe sticky mx-4 mt-4 flex cursor-pointer gap-2.5 rounded-3xl border p-3 hover:bg-transparent dark:text-white`
+            } group border-sidebar-border hover:border-sidebar-border sticky mx-4 mt-4 flex cursor-pointer gap-2.5 rounded-3xl border p-3 hover:bg-transparent dark:text-white`
           }
         >
           <img
@@ -388,13 +388,13 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
             alt="Create new chat"
             className="opacity-80 group-hover:opacity-100"
           />
-          <p className="text-dove-gray dark:text-chinese-silver dark:group-hover:text-bright-gray text-sm group-hover:text-neutral-600">
+          <p className="text-muted-foreground dark:text-foreground dark:group-hover:text-bright-gray text-sm group-hover:text-neutral-600">
             {t('newChat')}
           </p>
         </NavLink>
         <div
           id="conversationsMainDiv"
-          className="mb-auto h-[78vh] overflow-x-hidden overflow-y-auto scrollbar-overlay dark:text-white"
+          className="scrollbar-overlay mb-auto h-[78vh] overflow-x-hidden overflow-y-auto dark:text-white"
         >
           {conversations?.loading && !isDeletingConversation && (
             <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 transform">
@@ -417,9 +417,9 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                   {recentAgents.map((agent, idx) => (
                     <div
                       key={idx}
-                      className={`group hover:bg-bright-gray dark:hover:bg-dark-charcoal mx-4 my-auto mt-4 flex h-9 cursor-pointer items-center justify-between rounded-3xl pl-4 ${
+                      className={`group hover:bg-sidebar-accent mx-4 my-auto mt-4 flex h-9 cursor-pointer items-center justify-between rounded-3xl pl-4 ${
                         agent.id === selectedAgent?.id && !conversationId
-                          ? 'bg-bright-gray dark:bg-dark-charcoal'
+                          ? 'bg-sidebar-accent'
                           : ''
                       }`}
                       onClick={() => handleAgentClick(agent)}
@@ -432,7 +432,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                             className="h-6 w-6 rounded-full object-contain"
                           />
                         </div>
-                        <p className="text-eerie-black dark:text-bright-gray overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
+                        <p className="text-foreground dark:text-foreground overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
                           {agent.name}
                         </p>
                       </div>
@@ -456,7 +456,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                   ))}
                 </div>
                 <div
-                  className="hover:bg-bright-gray dark:hover:bg-dark-charcoal mx-4 my-auto mt-2 flex h-9 cursor-pointer items-center gap-2 rounded-3xl pl-4"
+                  className="hover:bg-sidebar-accent mx-4 my-auto mt-2 flex h-9 cursor-pointer items-center gap-2 rounded-3xl pl-4"
                   onClick={() => {
                     dispatch(setSelectedAgent(null));
                     if (isMobile || isTablet) {
@@ -472,7 +472,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                       className="h-[18px] w-[18px]"
                     />
                   </div>
-                  <p className="text-eerie-black dark:text-bright-gray overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
+                  <p className="text-foreground dark:text-foreground overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
                     {t('manageAgents')}
                   </p>
                 </div>
@@ -480,7 +480,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
             </div>
           ) : (
             <div
-              className="hover:bg-bright-gray dark:hover:bg-dark-charcoal mx-4 my-auto mt-2 flex h-9 cursor-pointer items-center gap-2 rounded-3xl pl-4"
+              className="hover:bg-sidebar-accent mx-4 my-auto mt-2 flex h-9 cursor-pointer items-center gap-2 rounded-3xl pl-4"
               onClick={() => {
                 if (isMobile || isTablet) {
                   setNavOpen(false);
@@ -496,7 +496,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                   className="h-[18px] w-[18px]"
                 />
               </div>
-              <p className="text-eerie-black dark:text-bright-gray overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
+              <p className="text-foreground dark:text-foreground overflow-hidden text-sm leading-6 text-ellipsis whitespace-nowrap">
                 {t('manageAgents')}
               </p>
             </div>
@@ -529,8 +529,8 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
             <></>
           )}
         </div>
-        <div className="text-eerie-black flex h-auto flex-col justify-end dark:text-white">
-          <div className="dark:border-b-purple-taupe flex flex-col gap-2 border-b py-2">
+        <div className="text-foreground flex h-auto flex-col justify-end dark:text-white">
+          <div className="dark:border-b-sidebar-border flex flex-col gap-2 border-b py-2">
             <NavLink
               onClick={() => {
                 if (isMobile || isTablet) {
@@ -540,8 +540,8 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
               }}
               to="/settings"
               className={({ isActive }) =>
-                `mx-4 my-auto flex h-9 cursor-pointer items-center gap-4 rounded-3xl hover:bg-gray-100 dark:hover:bg-[#28292E] ${
-                  isActive ? 'bg-gray-3000 dark:bg-transparent' : ''
+                `hover:bg-sidebar-accent mx-4 my-auto flex h-9 cursor-pointer items-center gap-4 rounded-3xl ${
+                  isActive ? 'bg-sidebar-accent' : ''
                 }`
               }
             >
@@ -552,12 +552,12 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                 height={21}
                 className="my-auto ml-2 filter dark:invert"
               />
-              <p className="text-eerie-black text-sm dark:text-white">
+              <p className="text-foreground text-sm dark:text-white">
                 {t('settings.label')}
               </p>
             </NavLink>
           </div>
-          <div className="text-eerie-black flex flex-col justify-end dark:text-white">
+          <div className="text-foreground flex flex-col justify-end dark:text-white">
             <div className="flex items-center justify-between py-1">
               <Help />
 
@@ -565,9 +565,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                 <NavLink
                   target="_blank"
                   to={'https://discord.gg/vN7YFfdMpj'}
-                  className={
-                    'rounded-full hover:bg-gray-100 dark:hover:bg-[#28292E]'
-                  }
+                  className={'hover:bg-sidebar-accent rounded-full'}
                 >
                   <img
                     src={Discord}
@@ -580,9 +578,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                 <NavLink
                   target="_blank"
                   to={'https://x.com/docsgptai'}
-                  className={
-                    'rounded-full hover:bg-gray-100 dark:hover:bg-[#28292E]'
-                  }
+                  className={'hover:bg-sidebar-accent rounded-full'}
                 >
                   <img
                     src={Twitter}
@@ -595,9 +591,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
                 <NavLink
                   target="_blank"
                   to={'https://github.com/arc53/docsgpt'}
-                  className={
-                    'rounded-full hover:bg-gray-100 dark:hover:bg-[#28292E]'
-                  }
+                  className={'hover:bg-sidebar-accent rounded-full'}
                 >
                   <img
                     src={Github}
@@ -612,7 +606,7 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
           </div>
         </div>
       </div>
-      <div className="dark:border-b-purple-taupe dark:bg-chinese-black sticky z-10 h-16 w-full border-b-2 bg-gray-50 lg:hidden">
+      <div className="dark:border-b-sidebar-border bg-sidebar sticky z-10 h-16 w-full border-b-2 lg:hidden">
         <div className="ml-6 flex h-full items-center gap-6">
           <button
             className="h-6 w-6 lg:hidden"
@@ -624,7 +618,9 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
               className="w-7 filter dark:invert"
             />
           </button>
-          <div className="text-gray-4000 text-[20px] font-medium">DocsGPT</div>
+          <div className="text-muted-foreground text-[20px] font-medium">
+            DocsGPT
+          </div>
         </div>
       </div>
       <DeleteConvModal
diff --git a/frontend/src/PageNotFound.tsx b/frontend/src/PageNotFound.tsx
index 36c106a3..81ab0cc1 100644
--- a/frontend/src/PageNotFound.tsx
+++ b/frontend/src/PageNotFound.tsx
@@ -5,8 +5,8 @@ export default function PageNotFound() {
   const { t } = useTranslation();
 
   return (
-    <div className="dark:bg-raisin-black grid min-h-screen">
-      <p className="text-jet dark:bg-outer-space mx-auto my-auto mt-20 flex w-full max-w-6xl flex-col place-items-center gap-6 rounded-3xl bg-gray-100 p-6 lg:p-10 xl:p-16 dark:text-gray-100">
+    <div className="bg-background grid min-h-screen">
+      <p className="text-foreground dark:bg-card mx-auto my-auto mt-20 flex w-full max-w-6xl flex-col place-items-center gap-6 rounded-3xl bg-gray-100 p-6 lg:p-10 xl:p-16">
         <h1>{t('pageNotFound.title')}</h1>
         <p>{t('pageNotFound.message')}</p>
         <button className="pointer-cursor bg-blue-1000 hover:bg-blue-3000 mr-4 flex cursor-pointer items-center justify-center rounded-full px-4 py-2 text-white transition-colors duration-100">
diff --git a/frontend/src/agents/AgentCard.tsx b/frontend/src/agents/AgentCard.tsx
index 6df11e16..2eaf8e0f 100644
--- a/frontend/src/agents/AgentCard.tsx
+++ b/frontend/src/agents/AgentCard.tsx
@@ -251,7 +251,7 @@ export default function AgentCard({
   };
   return (
     <div
-      className={`relative flex h-44 flex-col justify-between rounded-[1.2rem] bg-[#F6F6F6] px-4 py-5 hover:bg-[#ECECEC] sm:w-48 sm:px-6 dark:bg-[#383838] dark:hover:bg-[#383838]/80 ${agent.status === 'published' && 'cursor-pointer'}`}
+      className={`bg-muted hover:bg-accent relative flex h-44 flex-col justify-between rounded-[1.2rem] px-4 py-5 sm:w-48 sm:px-6 ${agent.status === 'published' && 'cursor-pointer'}`}
       onClick={(e) => {
         e.stopPropagation();
         handleClick();
@@ -283,17 +283,17 @@ export default function AgentCard({
             className="h-7 w-7 rounded-full object-contain"
           />
           {agent.status === 'draft' && (
-            <p className="text-xs text-black opacity-50 dark:text-[#E0E0E0]">{`(Draft)`}</p>
+            <p className="text-foreground text-xs opacity-50">{`(Draft)`}</p>
           )}
         </div>
         <div className="mt-2">
           <p
             title={agent.name}
-            className="truncate px-1 text-[13px] leading-relaxed font-semibold text-[#020617] capitalize dark:text-[#E0E0E0]"
+            className="text-foreground truncate px-1 text-[13px] leading-relaxed font-semibold capitalize"
           >
             {agent.name}
           </p>
-          <p className="dark:text-sonic-silver-light mt-1 h-20 overflow-auto px-1 text-[12px] leading-relaxed text-[#64748B]">
+          <p className="dark:text-muted-foreground text-muted-foreground mt-1 h-20 overflow-auto px-1 text-[12px] leading-relaxed">
             {agent.description}
           </p>
         </div>
@@ -320,4 +320,4 @@ export default function AgentCard({
       />
     </div>
   );
-}
\ No newline at end of file
+}
diff --git a/frontend/src/agents/AgentLogs.tsx b/frontend/src/agents/AgentLogs.tsx
index 62478329..d6916436 100644
--- a/frontend/src/agents/AgentLogs.tsx
+++ b/frontend/src/agents/AgentLogs.tsx
@@ -41,25 +41,25 @@ export default function AgentLogs() {
     <div className="p-4 md:p-12">
       <div className="flex items-center gap-3 px-4">
         <button
-          className="rounded-full border p-3 text-sm text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+          className="border-border text-muted-foreground hover:bg-accent rounded-full border p-3 text-sm"
           onClick={() => navigate('/agents')}
         >
           <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
         </button>
-        <p className="text-eerie-black dark:text-bright-gray mt-px text-sm font-semibold">
+        <p className="text-foreground dark:text-foreground mt-px text-sm font-semibold">
           {t('agents.backToAll')}
         </p>
       </div>
       <div className="mt-5 flex w-full flex-wrap items-center justify-between gap-2 px-4">
-        <h1 className="text-eerie-black m-0 text-[32px] font-bold md:text-[40px] dark:text-white">
+        <h1 className="text-foreground m-0 text-[32px] font-bold md:text-[40px] dark:text-white">
           {t('agents.logs.title')}
         </h1>
       </div>
       <div className="mt-6 flex flex-col gap-3 px-4">
         {agent && (
           <div className="flex flex-col gap-1">
-            <p className="text-[#28292E] dark:text-[#E0E0E0]">{agent.name}</p>
-            <p className="text-xs text-[#28292E] dark:text-[#E0E0E0]/40">
+            <p className="text-foreground">{agent.name}</p>
+            <p className="text-muted-foreground text-xs">
               {agent.last_used_at
                 ? t('agents.logs.lastUsedAt') +
                   ' ' +
diff --git a/frontend/src/agents/AgentPreview.tsx b/frontend/src/agents/AgentPreview.tsx
index 149bc83b..b1c1cb46 100644
--- a/frontend/src/agents/AgentPreview.tsx
+++ b/frontend/src/agents/AgentPreview.tsx
@@ -131,7 +131,7 @@ export default function AgentPreview() {
             autoFocus={false}
           />
         </div>
-        <p className="text-gray-4000 dark:text-sonic-silver w-full bg-transparent text-center text-xs md:inline">
+        <p className="text-muted-foreground w-full bg-transparent text-center text-xs md:inline">
           {t('agents.preview.testMessage')}
         </p>
       </div>
diff --git a/frontend/src/agents/AgentsList.tsx b/frontend/src/agents/AgentsList.tsx
index e9aa1bcd..7537f8d5 100644
--- a/frontend/src/agents/AgentsList.tsx
+++ b/frontend/src/agents/AgentsList.tsx
@@ -159,10 +159,10 @@ export default function AgentsList() {
 
   return (
     <div className="p-4 md:p-12">
-      <h1 className="text-eerie-black mb-0 text-[32px] font-bold lg:text-[40px] dark:text-[#E0E0E0]">
+      <h1 className="text-foreground mb-0 text-[32px] font-bold lg:text-[40px]">
         {t('agents.title')}
       </h1>
-      <p className="dark:text-gray-4000 mt-5 text-[15px] leading-6 text-[#71717A]">
+      <p className="text-muted-foreground mt-5 text-[15px] leading-6">
         {t('agents.description')}
       </p>
 
@@ -178,7 +178,7 @@ export default function AgentsList() {
             value={searchQuery}
             onChange={(e) => setSearchQuery(e.target.value)}
             placeholder={t('agents.searchPlaceholder')}
-            className="h-11 w-full rounded-full border border-[#E5E5E5] bg-white py-2 pr-5 pl-11 text-sm shadow-[0_1px_4px_rgba(0,0,0,0.06)] transition-shadow outline-none placeholder:text-[#9CA3AF] focus:shadow-[0_2px_8px_rgba(0,0,0,0.1)] dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white dark:shadow-none dark:placeholder:text-[#6B7280]"
+            className="border-border bg-card text-foreground placeholder:text-muted-foreground h-11 w-full rounded-full border py-2 pr-5 pl-11 text-sm shadow-[0_1px_4px_rgba(0,0,0,0.06)] transition-shadow outline-none focus:shadow-[0_2px_8px_rgba(0,0,0,0.1)] dark:shadow-none"
           />
         </div>
 
@@ -189,8 +189,8 @@ export default function AgentsList() {
               onClick={() => setActiveFilter(tab.id)}
               className={`rounded-full px-4 py-2 text-sm transition-colors ${
                 activeFilter === tab.id
-                  ? 'bg-[#E0E0E0] text-[#18181B] dark:bg-[#4A4A4A] dark:text-white'
-                  : 'dark:text-gray bg-transparent text-[#71717A] hover:bg-[#F5F5F5] dark:hover:bg-[#383838]/50'
+                  ? 'bg-border text-foreground dark:bg-accent dark:text-white'
+                  : 'dark:text-gray text-muted-foreground hover:bg-accent/50 bg-transparent'
               }`}
             >
               {t(tab.labelKey)}
@@ -224,7 +224,7 @@ export default function AgentsList() {
       ))}
 
       {showSearchEmptyState && (
-        <div className="mt-12 flex flex-col items-center justify-center gap-2 text-[#71717A]">
+        <div className="text-muted-foreground mt-12 flex flex-col items-center justify-center gap-2">
           <p className="text-lg">{t('agents.noSearchResults')}</p>
           <p className="text-sm">{t('agents.tryDifferentSearch')}</p>
         </div>
@@ -399,7 +399,7 @@ function AgentSection({
 
   if (isFilteredView && isSearchingWithNoResults) {
     return (
-      <div className="mt-12 flex flex-col items-center justify-center gap-2 text-[#71717A]">
+      <div className="text-muted-foreground mt-12 flex flex-col items-center justify-center gap-2">
         <p className="text-lg">{t('agents.noSearchResults')}</p>
         <p className="text-sm">{t('agents.tryDifferentSearch')}</p>
       </div>
@@ -408,11 +408,11 @@ function AgentSection({
 
   if (isFilteredView && hasNoAgentsAtAll) {
     return (
-      <div className="mt-12 flex flex-col items-center justify-center gap-3 text-[#71717A]">
+      <div className="text-muted-foreground mt-12 flex flex-col items-center justify-center gap-3">
         <p>{t(`agents.sections.${config.id}.emptyState`)}</p>
         {config.showNewAgentButton && (
           <button
-            className="bg-purple-30 hover:bg-violets-are-blue rounded-full px-4 py-2 text-sm text-white"
+            className="bg-primary hover:bg-primary/90 rounded-full px-4 py-2 text-sm text-white"
             onClick={() => {
               setModalFolderId(null);
               setShowAgentTypeModal(true);
@@ -456,12 +456,12 @@ function AgentSection({
     <div className="mt-8 flex flex-col gap-4">
       <div className="flex w-full flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div className="flex flex-col gap-2">
-          <h2 className="flex flex-wrap items-center gap-2 text-[18px] font-semibold text-[#18181B] dark:text-[#E0E0E0]">
+          <h2 className="text-foreground flex flex-wrap items-center gap-2 text-[18px] font-semibold">
             {config.id === 'user' && folderPath.length > 0 ? (
               <>
                 <button
                   onClick={() => handleNavigateToPath(-1)}
-                  className="text-[#71717A] hover:text-[#18181B] dark:hover:text-white"
+                  className="text-muted-foreground hover:text-foreground dark:hover:text-white"
                 >
                   {t(`agents.sections.${config.id}.title`)}
                 </button>
@@ -473,7 +473,7 @@ function AgentSection({
                     ) : (
                       <button
                         onClick={() => handleNavigateToPath(index)}
-                        className="text-[#71717A] hover:text-[#18181B] dark:hover:text-white"
+                        className="text-muted-foreground hover:text-foreground dark:hover:text-white"
                       >
                         {item.name}
                       </button>
@@ -485,7 +485,7 @@ function AgentSection({
               t(`agents.sections.${config.id}.title`)
             )}
           </h2>
-          <p className="text-[13px] text-[#71717A]">
+          <p className="text-muted-foreground text-[13px]">
             {t(`agents.sections.${config.id}.description`)}
           </p>
         </div>
@@ -513,12 +513,12 @@ function AgentSection({
                   }
                 }}
                 placeholder={t('agents.folders.newFolder')}
-                className="w-28 rounded-full border border-[#E5E5E5] bg-white px-4 py-2 text-sm text-[#18181B] outline-none placeholder:text-[#9CA3AF] sm:w-auto dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white dark:placeholder:text-[#6B7280]"
+                className="border-border bg-card text-foreground placeholder:text-muted-foreground w-28 rounded-full border px-4 py-2 text-sm outline-none sm:w-auto"
                 autoFocus
               />
             ) : (
               <button
-                className="shrink-0 rounded-full border border-[#E5E5E5] bg-white px-4 py-2 text-sm whitespace-nowrap text-[#18181B] hover:bg-[#F5F5F5] dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white dark:hover:bg-[#383838]"
+                className="border-border bg-card text-foreground hover:bg-accent shrink-0 rounded-full border px-4 py-2 text-sm whitespace-nowrap"
                 onClick={() => {
                   setIsCreatingFolder(true);
                   setTimeout(() => newFolderInputRef.current?.focus(), 0);
@@ -529,7 +529,7 @@ function AgentSection({
             ))}
           {config.showNewAgentButton && (
             <button
-              className="bg-purple-30 hover:bg-violets-are-blue shrink-0 rounded-full px-4 py-2 text-sm whitespace-nowrap text-white"
+              className="bg-primary hover:bg-primary/90 shrink-0 rounded-full px-4 py-2 text-sm whitespace-nowrap text-white"
               onClick={() => {
                 setModalFolderId(currentFolderId);
                 setShowAgentTypeModal(true);
@@ -579,7 +579,7 @@ function AgentSection({
                 ))}
               </div>
             ) : hasNoAgentsAtAll && currentLevelFolders.length === 0 ? (
-              <div className="flex h-40 w-full flex-col items-center justify-center gap-3 text-[#71717A]">
+              <div className="text-muted-foreground flex h-40 w-full flex-col items-center justify-center gap-3">
                 <p>
                   {currentFolderId
                     ? t('agents.folders.empty')
@@ -587,7 +587,7 @@ function AgentSection({
                 </p>
                 {config.showNewAgentButton && !currentFolderId && (
                   <button
-                    className="bg-purple-30 hover:bg-violets-are-blue ml-2 rounded-full px-4 py-2 text-sm text-white"
+                    className="bg-primary hover:bg-primary/90 ml-2 rounded-full px-4 py-2 text-sm text-white"
                     onClick={() => {
                       setModalFolderId(currentFolderId);
                       setShowAgentTypeModal(true);
@@ -603,4 +603,4 @@ function AgentSection({
       </div>
     </div>
   );
-}
\ No newline at end of file
+}
diff --git a/frontend/src/agents/FolderCard.tsx b/frontend/src/agents/FolderCard.tsx
index afe63c4c..79ce554d 100644
--- a/frontend/src/agents/FolderCard.tsx
+++ b/frontend/src/agents/FolderCard.tsx
@@ -70,17 +70,15 @@ export default function FolderCard({
     <>
       <div
         className={`relative flex cursor-pointer items-center justify-between rounded-[1.2rem] px-4 py-3 sm:w-48 ${
-          isExpanded
-            ? 'bg-[#E5E5E5] dark:bg-[#454545]'
-            : 'bg-[#F6F6F6] hover:bg-[#ECECEC] dark:bg-[#383838] dark:hover:bg-[#383838]/80'
+          isExpanded ? 'bg-accent' : 'bg-muted hover:bg-accent'
         }`}
         onClick={() => onToggleExpand(folder.id)}
       >
         <div className="flex items-center gap-2 overflow-hidden">
-          <span className="truncate text-sm font-medium text-[#18181B] dark:text-[#E0E0E0]">
+          <span className="text-foreground truncate text-sm font-medium">
             {folder.name}
           </span>
-          <span className="shrink-0 text-xs text-[#71717A]">
+          <span className="text-muted-foreground shrink-0 text-xs">
             ({agentCount})
           </span>
         </div>
diff --git a/frontend/src/agents/NewAgent.tsx b/frontend/src/agents/NewAgent.tsx
index c36f51e0..7038e1c7 100644
--- a/frontend/src/agents/NewAgent.tsx
+++ b/frontend/src/agents/NewAgent.tsx
@@ -677,17 +677,17 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
     <div className="flex flex-col px-4 pt-4 pb-2 max-[1179px]:min-h-dvh min-[1180px]:h-dvh md:px-12 md:pt-12 md:pb-3">
       <div className="flex items-center gap-3 px-4">
         <button
-          className="rounded-full border p-3 text-sm text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+          className="border-border text-muted-foreground hover:bg-accent rounded-full border p-3 text-sm"
           onClick={handleCancel}
         >
           <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
         </button>
-        <p className="text-eerie-black dark:text-bright-gray mt-px text-sm font-semibold">
+        <p className="text-foreground dark:text-foreground mt-px text-sm font-semibold">
           {t('agents.backToAll')}
         </p>
       </div>
       <div className="mt-5 flex w-full flex-wrap items-center justify-between gap-2 px-4">
-        <h1 className="text-eerie-black m-0 text-[32px] font-bold lg:text-[40px] dark:text-white">
+        <h1 className="text-foreground m-0 text-[32px] font-bold lg:text-[40px] dark:text-white">
           {modeConfig[effectiveMode].heading}
         </h1>
         {agent.agent_type === 'workflow' && (
@@ -697,14 +697,14 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
         )}
         <div className="flex flex-wrap items-center gap-1">
           <button
-            className="text-purple-30 dark:text-light-gray mr-4 rounded-3xl py-2 text-sm font-medium dark:bg-transparent"
+            className="text-primary dark:text-foreground mr-4 rounded-3xl py-2 text-sm font-medium"
             onClick={handleCancel}
           >
             {t('agents.form.buttons.cancel')}
           </button>
           {modeConfig[effectiveMode].showDelete && agent.id && (
             <button
-              className="group border-red-2000 text-red-2000 hover:bg-red-2000 flex items-center gap-2 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
+              className="group border-destructive text-destructive hover:bg-destructive flex items-center gap-2 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
               onClick={() => setDeleteConfirmation('ACTIVE')}
             >
               <span className="block h-4 w-4 bg-[url('/src/assets/red-trash.svg')] bg-contain bg-center bg-no-repeat transition-all group-hover:bg-[url('/src/assets/white-trash.svg')]" />
@@ -714,7 +714,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
           {modeConfig[effectiveMode].showSaveDraft && (
             <button
               disabled={isJsonSchemaInvalid()}
-              className={`border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue flex min-w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium whitespace-nowrap transition-colors hover:text-white ${
+              className={`border-primary text-primary hover:bg-primary/90 flex min-w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium whitespace-nowrap transition-colors hover:text-white ${
                 isJsonSchemaInvalid() ? 'cursor-not-allowed opacity-30' : ''
               }`}
               onClick={handleSaveDraft}
@@ -730,7 +730,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
           )}
           {modeConfig[effectiveMode].showAccessDetails && (
             <button
-              className="group border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue flex items-center gap-2 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
+              className="group border-primary text-primary hover:bg-primary/90 flex items-center gap-2 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
               onClick={() => navigate(`/agents/logs/${agent.id}`)}
             >
               <span className="block h-5 w-5 bg-[url('/src/assets/monitoring-purple.svg')] bg-contain bg-center bg-no-repeat transition-all group-hover:bg-[url('/src/assets/monitoring-white.svg')]" />
@@ -739,7 +739,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
           )}
           {modeConfig[effectiveMode].showAccessDetails && (
             <button
-              className="hover:bg-vi</button>olets-are-blue border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
+              className="border-primary text-primary hover:bg-primary/90 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
               onClick={() => setAgentDetails('ACTIVE')}
             >
               {t('agents.form.buttons.accessDetails')}
@@ -747,7 +747,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
           )}
           <button
             disabled={!isPublishable() || !hasChanges}
-            className={`${!isPublishable() || !hasChanges ? 'cursor-not-allowed opacity-30' : ''} bg-purple-30 hover:bg-violets-are-blue flex min-w-28 items-center justify-center rounded-3xl px-5 py-2 text-sm font-medium whitespace-nowrap text-white`}
+            className={`${!isPublishable() || !hasChanges ? 'cursor-not-allowed opacity-30' : ''} bg-primary hover:bg-primary/90 flex min-w-28 items-center justify-center rounded-3xl px-5 py-2 text-sm font-medium whitespace-nowrap text-white`}
             onClick={handlePublish}
           >
             <span className="flex items-center justify-center transition-all duration-200">
@@ -760,21 +760,21 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
           </button>
         </div>
       </div>
-      <div className="mt-3 flex w-full flex-1 grid-cols-5 flex-col gap-10 rounded-[30px] bg-[#F6F6F6] p-5 max-[1179px]:overflow-visible min-[1180px]:grid min-[1180px]:gap-5 min-[1180px]:overflow-hidden dark:bg-[#383838]">
+      <div className="bg-muted dark:bg-background mt-3 flex w-full flex-1 grid-cols-5 flex-col gap-10 rounded-[30px] p-5 max-[1179px]:overflow-visible min-[1180px]:grid min-[1180px]:gap-5 min-[1180px]:overflow-hidden">
         <div className="scrollbar-overlay col-span-2 flex flex-col gap-5 max-[1179px]:overflow-visible min-[1180px]:max-h-full min-[1180px]:overflow-y-auto min-[1180px]:pr-3">
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <h2 className="text-lg font-semibold">
               {t('agents.form.sections.meta')}
             </h2>
             <input
-              className="border-silver text-jet dark:bg-raisin-black dark:text-bright-gray dark:placeholder:text-silver mt-3 w-full rounded-3xl border bg-white px-5 py-3 text-sm outline-hidden placeholder:text-gray-400 dark:border-[#7E7E7E]"
+              className="border-border text-foreground dark:text-foreground dark:placeholder:text-silver bg-card dark:border-border mt-3 w-full rounded-3xl border px-5 py-3 text-sm outline-hidden placeholder:text-gray-400"
               type="text"
               value={agent.name}
               placeholder={t('agents.form.placeholders.agentName')}
               onChange={(e) => setAgent({ ...agent, name: e.target.value })}
             />
             <textarea
-              className="border-silver text-jet dark:bg-raisin-black dark:text-bright-gray dark:placeholder:text-silver mt-3 h-32 w-full rounded-xl border bg-white px-5 py-4 text-sm outline-hidden placeholder:text-gray-400 dark:border-[#7E7E7E]"
+              className="border-border text-foreground dark:text-foreground dark:placeholder:text-silver bg-card dark:border-border mt-3 h-32 w-full rounded-xl border px-5 py-4 text-sm outline-hidden placeholder:text-gray-400"
               placeholder={t('agents.form.placeholders.describeAgent')}
               value={agent.description}
               onChange={(e) =>
@@ -784,7 +784,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
             <div className="mt-3">
               <FileUpload
                 showPreview
-                className="dark:bg-raisin-black"
+                className="bg-card"
                 onUpload={handleUpload}
                 onRemove={() => setImageFile(null)}
                 uploadText={[
@@ -800,7 +800,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
               />
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <h2 className="text-lg font-semibold">
               {t('agents.form.sections.source')}
             </h2>
@@ -809,10 +809,10 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                 <button
                   ref={sourceAnchorButtonRef}
                   onClick={() => setIsSourcePopupOpen(!isSourcePopupOpen)}
-                  className={`border-silver dark:bg-raisin-black w-full truncate rounded-3xl border bg-white px-5 py-3 text-left text-sm dark:border-[#7E7E7E] ${
+                  className={`border-border bg-card dark:border-border w-full truncate rounded-3xl border px-5 py-3 text-left text-sm ${
                     selectedSourceIds.size > 0
-                      ? 'text-jet dark:text-bright-gray'
-                      : 'dark:text-silver text-gray-400'
+                      ? 'text-foreground dark:text-foreground'
+                      : 'dark:text-muted-foreground text-gray-400'
                   }`}
                 >
                   {selectedSourceIds.size > 0
@@ -892,17 +892,13 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                   }
                   size="w-full"
                   rounded="3xl"
-                  border="border"
-                  buttonClassName="bg-white dark:bg-[#222327] border-silver dark:border-[#7E7E7E]"
-                  optionsClassName="bg-white dark:bg-[#383838] border-silver dark:border-[#7E7E7E]"
                   placeholder={t('agents.form.placeholders.chunksPerQuery')}
-                  placeholderClassName="text-gray-400 dark:text-silver"
                   contentSize="text-sm"
                 />
               </div>
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <div className="flex flex-wrap items-end gap-1">
               <div className="min-w-20 grow basis-full sm:basis-0">
                 <Prompts
@@ -920,30 +916,24 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                   }
                   setPrompts={(newPrompts) => dispatch(setPrompts(newPrompts))}
                   title={t('agents.form.sections.prompt')}
-                  titleClassName="text-lg font-semibold dark:text-[#E0E0E0]"
+                  titleClassName="text-lg font-semibold"
                   showAddButton={false}
                   dropdownProps={{
                     size: 'w-full',
                     rounded: '3xl',
-                    border: 'border',
-                    buttonClassName:
-                      'bg-white dark:bg-[#222327] border-silver dark:border-[#7E7E7E]',
-                    optionsClassName:
-                      'bg-white dark:bg-[#383838] border-silver dark:border-[#7E7E7E]',
-                    placeholderClassName: 'text-gray-400 dark:text-silver',
                     contentSize: 'text-sm',
                   }}
                 />
               </div>
               <button
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue min-w-20 shrink-0 basis-full rounded-3xl border-2 border-solid px-5 py-[11px] text-sm whitespace-nowrap transition-colors hover:text-white sm:basis-auto"
+                className="border-primary text-primary hover:bg-primary/90 min-w-20 shrink-0 basis-full rounded-3xl border border-solid px-5 py-3 text-sm whitespace-nowrap transition-colors hover:text-white sm:basis-auto"
                 onClick={() => setAddPromptModal('ACTIVE')}
               >
                 {t('agents.form.buttons.add')}
               </button>
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <h2 className="text-lg font-semibold">
               {t('agents.form.sections.tools')}
             </h2>
@@ -951,10 +941,10 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
               <button
                 ref={toolAnchorButtonRef}
                 onClick={() => setIsToolsPopupOpen(!isToolsPopupOpen)}
-                className={`border-silver dark:bg-raisin-black w-full truncate rounded-3xl border bg-white px-5 py-3 text-left text-sm dark:border-[#7E7E7E] ${
+                className={`border-border bg-card dark:border-border w-full truncate rounded-3xl border px-5 py-3 text-left text-sm ${
                   selectedTools.length > 0
-                    ? 'text-jet dark:text-bright-gray'
-                    : 'dark:text-silver text-gray-400'
+                    ? 'text-foreground dark:text-foreground'
+                    : 'dark:text-muted-foreground text-gray-400'
                 }`}
               >
                 {selectedTools.length > 0
@@ -992,7 +982,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
               />
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <h2 className="text-lg font-semibold">
               {t('agents.form.sections.agentType')}
             </h2>
@@ -1010,16 +1000,12 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                 }
                 size="w-full"
                 rounded="3xl"
-                border="border"
-                buttonClassName="bg-white dark:bg-[#222327] border-silver dark:border-[#7E7E7E]"
-                optionsClassName="bg-white dark:bg-[#383838] border-silver dark:border-[#7E7E7E]"
                 placeholder={t('agents.form.placeholders.selectType')}
-                placeholderClassName="text-gray-400 dark:text-silver"
                 contentSize="text-sm"
               />
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <h2 className="text-lg font-semibold">
               {t('agents.form.sections.models')}
             </h2>
@@ -1027,10 +1013,10 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
               <button
                 ref={modelAnchorButtonRef}
                 onClick={() => setIsModelsPopupOpen(!isModelsPopupOpen)}
-                className={`border-silver dark:bg-raisin-black w-full truncate rounded-3xl border bg-white px-5 py-3 text-left text-sm dark:border-[#7E7E7E] ${
+                className={`border-border bg-card dark:border-border w-full truncate rounded-3xl border px-5 py-3 text-left text-sm ${
                   selectedModelIds.size > 0
-                    ? 'text-jet dark:text-bright-gray'
-                    : 'dark:text-silver text-gray-400'
+                    ? 'text-foreground dark:text-foreground'
+                    : 'dark:text-muted-foreground text-gray-400'
                 }`}
               >
                 {selectedModelIds.size > 0
@@ -1082,20 +1068,16 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                     }
                     size="w-full"
                     rounded="3xl"
-                    border="border"
-                    buttonClassName="bg-white dark:bg-[#222327] border-silver dark:border-[#7E7E7E]"
-                    optionsClassName="bg-white dark:bg-[#383838] border-silver dark:border-[#7E7E7E]"
                     placeholder={t(
                       'agents.form.placeholders.selectDefaultModel',
                     )}
-                    placeholderClassName="text-gray-400 dark:text-silver"
                     contentSize="text-sm"
                   />
                 </div>
               )}
             </div>
           </div>
-          <div className="dark:bg-raisin-black rounded-[30px] bg-white px-6 py-3 dark:text-[#E0E0E0]">
+          <div className="bg-card rounded-[30px] px-6 py-3">
             <button
               onClick={() =>
                 setIsAdvancedSectionExpanded(!isAdvancedSectionExpanded)
@@ -1148,7 +1130,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
   "additionalProperties": false
 }`}
                   rows={9}
-                  className={`border-silver text-jet dark:bg-raisin-black dark:text-bright-gray mt-2 w-full rounded-2xl border bg-white px-4 py-3 font-mono text-sm outline-hidden dark:border-[#7E7E7E]`}
+                  className={`border-border text-foreground dark:text-foreground bg-card dark:border-border mt-2 w-full rounded-2xl border px-4 py-3 font-mono text-sm outline-hidden`}
                 />
                 {jsonSchemaText.trim() !== '' && (
                   <div
@@ -1194,7 +1176,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                       }}
                       className={`relative h-6 w-11 rounded-full transition-colors ${
                         agent.limited_token_mode
-                          ? 'bg-purple-30'
+                          ? 'bg-primary'
                           : 'bg-gray-300 dark:bg-gray-600'
                       }`}
                     >
@@ -1219,7 +1201,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                     }
                     disabled={!agent.limited_token_mode}
                     placeholder={t('agents.form.placeholders.enterTokenLimit')}
-                    className={`border-silver text-jet dark:bg-raisin-black dark:text-bright-gray dark:placeholder:text-silver mt-2 w-full rounded-3xl border bg-white px-5 py-3 text-sm outline-hidden placeholder:text-gray-400 dark:border-[#7E7E7E] ${
+                    className={`border-border text-foreground dark:text-foreground dark:placeholder:text-silver bg-card dark:border-border mt-2 w-full rounded-3xl border px-5 py-3 text-sm outline-hidden placeholder:text-gray-400 ${
                       !agent.limited_token_mode
                         ? 'cursor-not-allowed opacity-50'
                         : ''
@@ -1250,7 +1232,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                       }}
                       className={`relative h-6 w-11 rounded-full transition-colors ${
                         agent.limited_request_mode
-                          ? 'bg-purple-30'
+                          ? 'bg-primary'
                           : 'bg-gray-300 dark:bg-gray-600'
                       }`}
                     >
@@ -1277,7 +1259,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
                     placeholder={t(
                       'agents.form.placeholders.enterRequestLimit',
                     )}
-                    className={`border-silver text-jet dark:bg-raisin-black dark:text-bright-gray dark:placeholder:text-silver mt-2 w-full rounded-3xl border bg-white px-5 py-3 text-sm outline-hidden placeholder:text-gray-400 dark:border-[#7E7E7E] ${
+                    className={`border-border text-foreground dark:text-foreground dark:placeholder:text-silver bg-card dark:border-border mt-2 w-full rounded-3xl border px-5 py-3 text-sm outline-hidden placeholder:text-gray-400 ${
                       !agent.limited_request_mode
                         ? 'cursor-not-allowed opacity-50'
                         : ''
@@ -1288,7 +1270,7 @@ export default function NewAgent({ mode }: { mode: 'new' | 'edit' | 'draft' }) {
             )}
           </div>
         </div>
-        <div className="col-span-3 flex flex-col gap-2 max-[1179px]:h-auto max-[1179px]:px-0 max-[1179px]:py-0 min-[1180px]:h-full min-[1180px]:py-2 dark:text-[#E0E0E0]">
+        <div className="col-span-3 flex flex-col gap-2 max-[1179px]:h-auto max-[1179px]:px-0 max-[1179px]:py-0 min-[1180px]:h-full min-[1180px]:py-2">
           <h2 className="text-lg font-semibold">
             {t('agents.form.sections.preview')}
           </h2>
@@ -1331,7 +1313,7 @@ function AgentPreviewArea() {
   const { t } = useTranslation();
   const selectedAgent = useSelector(selectSelectedAgent);
   return (
-    <div className="dark:bg-raisin-black w-full rounded-[30px] border border-[#F6F6F6] bg-white max-[1179px]:h-[600px] min-[1180px]:h-full dark:border-[#7E7E7E]">
+    <div className="bg-card dark:border-border w-full rounded-[30px] border border-[#F6F6F6] max-[1179px]:h-[600px] min-[1180px]:h-full">
       {selectedAgent?.status === 'published' ? (
         <div className="flex h-full w-full flex-col overflow-hidden rounded-[30px]">
           <AgentPreview />
@@ -1339,7 +1321,7 @@ function AgentPreviewArea() {
       ) : (
         <div className="flex h-full w-full flex-col items-center justify-center gap-2">
           <span className="block h-12 w-12 bg-[url('/src/assets/science-spark.svg')] bg-contain bg-center bg-no-repeat transition-all dark:bg-[url('/src/assets/science-spark-dark.svg')]" />{' '}
-          <p className="dark:text-gray-4000 text-xs text-[#18181B]">
+          <p className="text-muted-foreground text-xs">
             {t('agents.form.preview.publishedPreview')}
           </p>
         </div>
diff --git a/frontend/src/agents/SharedAgent.tsx b/frontend/src/agents/SharedAgent.tsx
index 78821bd0..4553f32b 100644
--- a/frontend/src/agents/SharedAgent.tsx
+++ b/frontend/src/agents/SharedAgent.tsx
@@ -143,7 +143,7 @@ export default function SharedAgent() {
             alt="No agent found"
             className="mx-auto mb-6 h-32 w-32"
           />
-          <p className="dark:text-gray-4000 text-center text-lg text-[#71717A]">
+          <p className="text-muted-foreground text-center text-lg">
             {t('agents.shared.notFound')}
           </p>
         </div>
@@ -157,7 +157,7 @@ export default function SharedAgent() {
           alt="agent-logo"
           className="h-6 w-6 rounded-full object-contain"
         />
-        <h2 className="text-eerie-black text-lg font-semibold dark:text-[#E0E0E0]">
+        <h2 className="text-foreground text-lg font-semibold">
           {sharedAgent.name}
         </h2>
       </div>
@@ -186,7 +186,7 @@ export default function SharedAgent() {
               autoFocus={false}
             />
           </div>
-          <p className="text-gray-4000 dark:text-sonic-silver hidden w-screen self-center bg-transparent py-2 text-center text-xs md:inline md:w-full">
+          <p className="text-muted-foreground hidden w-screen self-center bg-transparent py-2 text-center text-xs md:inline md:w-full">
             {t('tagline')}
           </p>
         </div>
diff --git a/frontend/src/agents/SharedAgentCard.tsx b/frontend/src/agents/SharedAgentCard.tsx
index 412750fa..98c86cb7 100644
--- a/frontend/src/agents/SharedAgentCard.tsx
+++ b/frontend/src/agents/SharedAgentCard.tsx
@@ -10,7 +10,7 @@ export default function SharedAgentCard({ agent }: { agent: Agent }) {
     agent.shared_metadata !== null &&
     Object.keys(agent.shared_metadata).length > 0;
   return (
-    <div className="border-dark-gray dark:border-grey flex w-full max-w-[720px] flex-col rounded-3xl border p-6 shadow-xs sm:w-fit sm:min-w-[480px]">
+    <div className="border-border dark:border-border flex w-full max-w-[720px] flex-col rounded-3xl border p-6 shadow-xs sm:w-fit sm:min-w-[480px]">
       <div className="flex items-center gap-3">
         <div className="flex h-12 w-12 items-center justify-center overflow-hidden rounded-full p-1">
           <AgentImage
@@ -19,10 +19,10 @@ export default function SharedAgentCard({ agent }: { agent: Agent }) {
           />
         </div>
         <div className="flex max-h-[92px] w-[80%] flex-col gap-px">
-          <h2 className="text-eerie-black text-base font-semibold sm:text-lg dark:text-[#E0E0E0]">
+          <h2 className="text-foreground text-base font-semibold sm:text-lg">
             {agent.name}
           </h2>
-          <p className="dark:text-gray-4000 overflow-y-auto text-xs text-wrap break-all text-[#71717A] sm:text-sm">
+          <p className="text-muted-foreground overflow-y-auto text-xs text-wrap break-all sm:text-sm">
             {agent.description}
           </p>
         </div>
@@ -30,12 +30,12 @@ export default function SharedAgentCard({ agent }: { agent: Agent }) {
       {hasSharedMetadata && (
         <div className="mt-4 flex items-center gap-8">
           {agent.shared_metadata?.shared_by && (
-            <p className="text-eerie-black text-xs font-light sm:text-sm dark:text-[#E0E0E0]">
+            <p className="text-foreground text-xs font-light sm:text-sm">
               by {agent.shared_metadata.shared_by}
             </p>
           )}
           {agent.shared_metadata?.shared_at && (
-            <p className="dark:text-gray-4000 text-xs font-light text-[#71717A] sm:text-sm">
+            <p className="text-muted-foreground text-xs font-light sm:text-sm">
               Shared on{' '}
               {new Date(agent.shared_metadata.shared_at).toLocaleString(
                 'en-US',
@@ -54,14 +54,14 @@ export default function SharedAgentCard({ agent }: { agent: Agent }) {
       )}
       {agent.tool_details && agent.tool_details.length > 0 && (
         <div className="mt-8">
-          <p className="text-eerie-black text-sm font-semibold sm:text-base dark:text-[#E0E0E0]">
+          <p className="text-foreground text-sm font-semibold sm:text-base">
             Connected Tools
           </p>
           <div className="mt-2 flex flex-wrap gap-2">
             {agent.tool_details.map((tool, index) => (
               <span
                 key={index}
-                className="bg-bright-gray text-eerie-black dark:bg-dark-charcoal flex items-center gap-1 rounded-full px-3 py-1 text-xs font-light dark:text-[#E0E0E0]"
+                className="bg-bright-gray text-foreground dark:bg-card flex items-center gap-1 rounded-full px-3 py-1 text-xs font-light"
               >
                 <img
                   src={`/toolIcons/tool_${tool.name}.svg`}
diff --git a/frontend/src/agents/WorkflowBuilder.tsx b/frontend/src/agents/WorkflowBuilder.tsx
index e67249b9..548ee906 100644
--- a/frontend/src/agents/WorkflowBuilder.tsx
+++ b/frontend/src/agents/WorkflowBuilder.tsx
@@ -579,12 +579,12 @@ function WorkflowBuilderInner() {
   ]);
 
   return (
-    <div className="bg-lotion dark:bg-outer-space flex h-screen w-full flex-col">
-      <div className="border-light-silver dark:bg-raisin-black flex items-center justify-between border-b bg-white px-6 py-4 dark:border-[#3A3A3A]">
+    <div className="bg-background flex h-screen w-full flex-col">
+      <div className="border-border bg-card flex items-center justify-between border-b px-6 py-4">
         <div className="flex items-center gap-4">
           <button
             onClick={() => navigate('/agents')}
-            className="rounded-full border p-3 text-sm text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+            className="border-border text-muted-foreground hover:bg-accent rounded-full border p-3 text-sm"
           >
             <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
           </button>
@@ -613,7 +613,7 @@ function WorkflowBuilderInner() {
             {showWorkflowSettings && (
               <div
                 ref={workflowSettingsRef}
-                className="dark:bg-raisin-black absolute top-full left-0 z-50 mt-2 w-80 rounded-xl border border-[#E5E5E5] bg-white p-4 shadow-lg dark:border-[#3A3A3A]"
+                className="border-border bg-card absolute top-full left-0 z-50 mt-2 w-80 rounded-xl border p-4 shadow-lg"
               >
                 <div className="mb-3">
                   <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">
@@ -623,7 +623,7 @@ function WorkflowBuilderInner() {
                     type="text"
                     value={workflowName}
                     onChange={(e) => setWorkflowName(e.target.value)}
-                    className="focus:ring-purple-30 w-full rounded-lg border border-[#E5E5E5] bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                    className="border-border bg-card text-foreground focus:ring-ring w-full rounded-lg border px-3 py-2 text-sm outline-none focus:ring-2"
                     placeholder="Enter workflow name"
                   />
                 </div>
@@ -634,14 +634,14 @@ function WorkflowBuilderInner() {
                   <textarea
                     value={workflowDescription}
                     onChange={(e) => setWorkflowDescription(e.target.value)}
-                    className="focus:ring-purple-30 w-full rounded-lg border border-[#E5E5E5] bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                    className="border-border bg-card text-foreground focus:ring-ring w-full rounded-lg border px-3 py-2 text-sm outline-none focus:ring-2"
                     rows={3}
                     placeholder="Describe what this workflow does"
                   />
                 </div>
                 <button
                   onClick={() => setShowWorkflowSettings(false)}
-                  className="bg-violets-are-blue hover:bg-purple-30 w-full rounded-lg px-3 py-2 text-sm font-medium text-white"
+                  className="bg-primary text-primary-foreground hover:bg-primary/90 w-full rounded-lg px-3 py-2 text-sm font-medium"
                 >
                   Done
                 </button>
@@ -660,7 +660,7 @@ function WorkflowBuilderInner() {
               }
               setShowPreview(true);
             }}
-            className="flex items-center gap-2 rounded-full border border-gray-200 bg-white px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-gray-200 dark:hover:bg-[#383838]"
+            className="border-border bg-card text-foreground hover:bg-accent flex items-center gap-2 rounded-full border px-4 py-2 text-sm font-medium transition-colors"
           >
             <Play size={16} />
             Preview
@@ -668,7 +668,7 @@ function WorkflowBuilderInner() {
           <button
             onClick={handlePublish}
             disabled={isPublishing}
-            className="bg-violets-are-blue hover:bg-purple-30 rounded-full px-6 py-2 text-sm font-medium text-white shadow-sm transition-colors disabled:opacity-50"
+            className="bg-primary text-primary-foreground hover:bg-primary/90 rounded-full px-6 py-2 text-sm font-medium shadow-sm transition-colors disabled:opacity-50"
           >
             {isPublishing ? 'Publishing...' : 'Publish'}
           </button>
@@ -705,20 +705,20 @@ function WorkflowBuilderInner() {
       )}
 
       <div className="flex flex-1 overflow-hidden">
-        <div className="border-light-silver dark:bg-raisin-black flex w-64 flex-col gap-6 border-r bg-gray-50 p-4 dark:border-[#3A3A3A]">
+        <div className="border-border bg-muted flex w-64 flex-col gap-6 border-r p-4">
           <div>
             <h3 className="mb-3 text-xs font-semibold tracking-wider text-gray-500 uppercase dark:text-gray-400">
               Core Nodes
             </h3>
             <div className="flex flex-col gap-2">
               <div
-                className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                className="group border-border bg-card hover:bg-accent flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                 draggable
                 onDragStart={(e) =>
                   e.dataTransfer.setData('application/reactflow', 'agent')
                 }
               >
-                <div className="text-violets-are-blue group-hover:bg-violets-are-blue flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-purple-100 transition-colors group-hover:text-white">
+                <div className="bg-primary/10 text-primary group-hover:bg-primary group-hover:text-primary-foreground flex h-8 w-8 shrink-0 items-center justify-center rounded-full transition-colors">
                   <Bot size={18} />
                 </div>
                 <span className="text-sm font-medium text-gray-700 dark:text-gray-200">
@@ -726,7 +726,7 @@ function WorkflowBuilderInner() {
                 </span>
               </div>
               <div
-                className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                className="group border-border bg-card hover:bg-accent flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                 draggable
                 onDragStart={(e) =>
                   e.dataTransfer.setData('application/reactflow', 'end')
@@ -740,7 +740,7 @@ function WorkflowBuilderInner() {
                 </span>
               </div>
               <div
-                className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                className="group border-border bg-card hover:bg-accent flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                 draggable
                 onDragStart={(e) =>
                   e.dataTransfer.setData('application/reactflow', 'note')
@@ -762,7 +762,7 @@ function WorkflowBuilderInner() {
             </h3>
             <div className="flex flex-col gap-2">
               <div
-                className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                className="group border-border bg-card hover:bg-accent flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                 draggable
                 onDragStart={(e) =>
                   e.dataTransfer.setData('application/reactflow', 'state')
@@ -784,10 +784,7 @@ function WorkflowBuilderInner() {
           </div>
         </div>
 
-        <div
-          ref={reactFlowWrapper}
-          className="dark:bg-raisin-black/10 relative flex-1 bg-gray-50"
-        >
+        <div ref={reactFlowWrapper} className="bg-muted relative flex-1">
           <ReactFlow
             nodes={nodes}
             edges={edges}
@@ -807,9 +804,9 @@ function WorkflowBuilderInner() {
           {showNodeConfig && selectedNode && (
             <div
               ref={configPanelRef}
-              className="border-light-silver dark:bg-raisin-black absolute top-4 right-4 w-96 rounded-2xl border bg-white shadow-[0px_4px_40px_-3px_#0000001A] dark:border-[#3A3A3A]"
+              className="border-border bg-card absolute top-4 right-4 w-96 rounded-2xl border shadow-[0px_4px_40px_-3px_#0000001A]"
             >
-              <div className="border-light-silver flex items-center justify-between border-b p-4 dark:border-[#3A3A3A]">
+              <div className="border-border flex items-center justify-between border-b p-4">
                 <h3 className="font-semibold text-gray-900 dark:text-white">
                   {selectedNode.type === 'start' && 'Start Node'}
                   {selectedNode.type === 'end' && 'End Node'}
@@ -827,7 +824,7 @@ function WorkflowBuilderInner() {
 
               <div className="max-h-[calc(100vh-200px)] overflow-y-auto p-4">
                 <div className="mb-4 flex flex-col gap-2">
-                  <div className="rounded-lg bg-gray-50 p-3 dark:bg-[#2C2C2C]">
+                  <div className="bg-muted rounded-lg p-3">
                     <div className="mb-1 text-xs text-gray-500 dark:text-gray-400">
                       Node ID
                     </div>
@@ -856,7 +853,7 @@ function WorkflowBuilderInner() {
                                 label: e.target.value,
                               })
                             }
-                            className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                            className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                             placeholder="Enter node title"
                           />
                         </div>
@@ -945,7 +942,7 @@ function WorkflowBuilderInner() {
                                     },
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                                 rows={3}
                                 placeholder="System prompt for the agent"
                               />
@@ -967,7 +964,7 @@ function WorkflowBuilderInner() {
                                     },
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                                 rows={4}
                                 placeholder="Use {{variable}} for dynamic content"
                               />
@@ -990,7 +987,7 @@ function WorkflowBuilderInner() {
                                     },
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                                 placeholder="Variable name for output"
                               />
                             </div>
@@ -1057,7 +1054,7 @@ function WorkflowBuilderInner() {
                                   content: e.target.value,
                                 })
                               }
-                              className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                              className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                               rows={4}
                               placeholder="Enter note content"
                             />
@@ -1078,7 +1075,7 @@ function WorkflowBuilderInner() {
                                     variable: e.target.value,
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                                 placeholder="e.g. analysis_type"
                               />
                             </div>
@@ -1094,7 +1091,7 @@ function WorkflowBuilderInner() {
                                     value: e.target.value,
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border bg-card text-foreground focus:ring-ring w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2"
                                 placeholder="e.g. price_check"
                               />
                             </div>
@@ -1125,7 +1122,7 @@ function WorkflowBuilderInner() {
         <SheetContent
           side="right"
           showCloseButton={false}
-          className="dark:bg-raisin-black w-full max-w-none p-0 sm:max-w-[600px] md:max-w-[700px] lg:max-w-[800px] dark:border-[#3A3A3A]"
+          className="border-border bg-card w-full max-w-none p-0 sm:max-w-[600px] md:max-w-[700px] lg:max-w-[800px]"
         >
           <WorkflowPreview
             workflowData={{
diff --git a/frontend/src/agents/agents.config.ts b/frontend/src/agents/agents.config.ts
index 35761e2e..3569600e 100644
--- a/frontend/src/agents/agents.config.ts
+++ b/frontend/src/agents/agents.config.ts
@@ -41,4 +41,4 @@ export const agentSectionsConfig = [
     selectData: selectSharedAgents,
     updateAction: setSharedAgents,
   },
-];
\ No newline at end of file
+];
diff --git a/frontend/src/agents/components/AgentTypeModal.tsx b/frontend/src/agents/components/AgentTypeModal.tsx
index 72cd2c30..7cdf143f 100644
--- a/frontend/src/agents/components/AgentTypeModal.tsx
+++ b/frontend/src/agents/components/AgentTypeModal.tsx
@@ -33,7 +33,7 @@ export default function AgentTypeModal({
       onClick={onClose}
     >
       <div
-        className="relative w-full max-w-lg rounded-xl bg-white p-8 shadow-2xl dark:bg-[#1e1e1e]"
+        className="bg-card relative w-full max-w-lg rounded-xl p-8 shadow-2xl"
         onClick={(e) => e.stopPropagation()}
       >
         <button
@@ -43,7 +43,7 @@ export default function AgentTypeModal({
           <X size={20} />
         </button>
 
-        <h2 className="text-jet dark:text-bright-gray mb-3 text-2xl font-bold">
+        <h2 className="text-foreground dark:text-foreground mb-3 text-2xl font-bold">
           Create New Agent
         </h2>
         <p className="mb-8 text-sm text-gray-500 dark:text-gray-400">
@@ -53,13 +53,13 @@ export default function AgentTypeModal({
         <div className="flex flex-col gap-4">
           <button
             onClick={() => handleSelect('normal')}
-            className="hover:border-purple-30 hover:bg-purple-30/5 dark:hover:border-purple-30 dark:hover:bg-purple-30/10 group flex items-start gap-5 rounded-xl border-2 border-gray-200 p-5 text-left transition-all dark:border-[#2E2F34]"
+            className="hover:border-primary hover:bg-primary/5 dark:hover:border-primary dark:hover:bg-primary/10 group dark:border-border flex items-start gap-5 rounded-xl border-2 border-gray-200 p-5 text-left transition-all"
           >
-            <div className="dark:bg-purple-30/20 bg-purple-30/10 text-purple-30 group-hover:bg-purple-30 flex h-14 w-14 shrink-0 items-center justify-center rounded-xl transition-colors group-hover:text-white dark:text-purple-300">
+            <div className="dark:bg-primary/20 bg-primary/10 text-primary group-hover:bg-primary/90 flex h-14 w-14 shrink-0 items-center justify-center rounded-xl transition-colors group-hover:text-white dark:text-purple-300">
               <Bot size={28} />
             </div>
             <div className="flex-1">
-              <h3 className="text-jet dark:text-bright-gray mb-2 text-lg font-semibold">
+              <h3 className="text-foreground dark:text-foreground mb-2 text-lg font-semibold">
                 Classic Agent
               </h3>
               <p className="text-sm leading-relaxed text-gray-600 dark:text-gray-400">
@@ -71,13 +71,13 @@ export default function AgentTypeModal({
 
           <button
             onClick={() => handleSelect('workflow')}
-            className="hover:border-violets-are-blue hover:bg-violets-are-blue/5 dark:hover:border-violets-are-blue dark:hover:bg-violets-are-blue/10 group flex items-start gap-5 rounded-xl border-2 border-gray-200 p-5 text-left transition-all dark:border-[#2E2F34]"
+            className="hover:border-primary hover:bg-primary/5 dark:hover:border-primary dark:hover:bg-primary/10 group dark:border-border flex items-start gap-5 rounded-xl border-2 border-gray-200 p-5 text-left transition-all"
           >
-            <div className="dark:bg-violets-are-blue/20 bg-violets-are-blue/10 text-violets-are-blue group-hover:bg-violets-are-blue flex h-14 w-14 shrink-0 items-center justify-center rounded-xl transition-colors group-hover:text-white dark:text-purple-300">
+            <div className="dark:bg-primary/20 bg-primary/10 text-primary group-hover:bg-primary flex h-14 w-14 shrink-0 items-center justify-center rounded-xl transition-colors group-hover:text-white dark:text-purple-300">
               <Workflow size={28} />
             </div>
             <div className="flex-1">
-              <h3 className="text-jet dark:text-bright-gray mb-2 text-lg font-semibold">
+              <h3 className="text-foreground dark:text-foreground mb-2 text-lg font-semibold">
                 Workflow Agent
               </h3>
               <p className="text-sm leading-relaxed text-gray-600 dark:text-gray-400">
diff --git a/frontend/src/agents/index.tsx b/frontend/src/agents/index.tsx
index 64481985..988345ad 100644
--- a/frontend/src/agents/index.tsx
+++ b/frontend/src/agents/index.tsx
@@ -18,4 +18,4 @@ export default function Agents() {
       <Route path="/workflow/edit/:agentId" element={<WorkflowBuilder />} />
     </Routes>
   );
-}
\ No newline at end of file
+}
diff --git a/frontend/src/agents/types/workflow.ts b/frontend/src/agents/types/workflow.ts
index 8615714a..0557bfb6 100644
--- a/frontend/src/agents/types/workflow.ts
+++ b/frontend/src/agents/types/workflow.ts
@@ -1,4 +1,10 @@
-export type NodeType = 'start' | 'end' | 'agent' | 'note' | 'state' | 'condition';
+export type NodeType =
+  | 'start'
+  | 'end'
+  | 'agent'
+  | 'note'
+  | 'state'
+  | 'condition';
 
 export interface ConditionCase {
   name?: string;
diff --git a/frontend/src/agents/workflow/WorkflowBuilder.tsx b/frontend/src/agents/workflow/WorkflowBuilder.tsx
index ad4fec28..00681017 100644
--- a/frontend/src/agents/workflow/WorkflowBuilder.tsx
+++ b/frontend/src/agents/workflow/WorkflowBuilder.tsx
@@ -2,13 +2,13 @@ import 'reactflow/dist/style.css';
 
 import {
   AlertCircle,
-  ChartColumn,
   Bot,
+  ChartColumn,
   Database,
   Flag,
   GitBranch,
-  Loader2,
   Link,
+  Loader2,
   Pencil,
   Play,
   Plus,
@@ -1355,12 +1355,12 @@ function WorkflowBuilderInner() {
   return (
     <>
       <MobileBlocker />
-      <div className="bg-lotion dark:bg-outer-space fixed inset-0 z-50 hidden h-screen w-full flex-col md:flex">
-        <div className="border-light-silver dark:bg-raisin-black flex items-center justify-between border-b bg-white px-6 py-4 dark:border-[#3A3A3A]">
+      <div className="bg-background dark:bg-outer-space fixed inset-0 z-50 hidden h-screen w-full flex-col md:flex">
+        <div className="border-border bg-card dark:bg-background flex items-center justify-between border-b px-6 py-4">
           <div className="flex items-center gap-4">
             <button
               onClick={navigateBackToAgents}
-              className="rounded-full border p-3 text-sm text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+              className="border-border text-muted-foreground hover:bg-accent rounded-full border p-3 text-sm"
             >
               <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
             </button>
@@ -1390,7 +1390,7 @@ function WorkflowBuilderInner() {
               {showWorkflowSettings && (
                 <div
                   ref={workflowSettingsRef}
-                  className="dark:bg-raisin-black absolute top-full left-0 z-50 mt-2 w-80 rounded-xl border border-[#E5E5E5] bg-white p-4 shadow-lg dark:border-[#3A3A3A]"
+                  className="border-border bg-card absolute top-full left-0 z-50 mt-2 w-80 rounded-xl border p-4 shadow-lg"
                 >
                   <div className="mb-3">
                     <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">
@@ -1400,7 +1400,7 @@ function WorkflowBuilderInner() {
                       type="text"
                       value={workflowName}
                       onChange={(e) => setWorkflowName(e.target.value)}
-                      className="focus:ring-purple-30 w-full rounded-lg border border-[#E5E5E5] bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                      className="focus:ring-ring border-border bg-card w-full rounded-lg border px-3 py-2 text-sm outline-none focus:ring-2 dark:text-white"
                       placeholder="Enter workflow name"
                     />
                   </div>
@@ -1411,7 +1411,7 @@ function WorkflowBuilderInner() {
                     <textarea
                       value={workflowDescription}
                       onChange={(e) => setWorkflowDescription(e.target.value)}
-                      className="focus:ring-purple-30 w-full rounded-lg border border-[#E5E5E5] bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                      className="focus:ring-ring border-border bg-card w-full rounded-lg border px-3 py-2 text-sm outline-none focus:ring-2 dark:text-white"
                       rows={3}
                       placeholder="Describe what this workflow does"
                     />
@@ -1441,23 +1441,23 @@ function WorkflowBuilderInner() {
                       uploadText={[
                         {
                           text: 'Click to upload',
-                          colorClass: 'text-violets-are-blue',
+                          colorClass: 'text-primary',
                         },
                         {
                           text: ' or drag and drop',
-                          colorClass: 'text-gray-500',
+                          colorClass: 'text-muted-foreground',
                         },
                       ]}
-                      className="rounded-lg border-2 border-dashed border-[#E5E5E5] p-3 text-center transition-colors dark:border-[#3A3A3A] dark:bg-[#2C2C2C]"
+                      className="border-border rounded-lg border-2 border-dashed p-3 text-center transition-colors"
                     />
-                    <p className="mt-1 text-[11px] text-gray-500 dark:text-gray-400">
+                    <p className="text-muted-foreground mt-1 text-[11px]">
                       Image updates are included the next time you save.
                     </p>
                   </div>
                   <button
                     onClick={handleWorkflowSettingsDone}
                     disabled={isPublishing}
-                    className="bg-violets-are-blue hover:bg-purple-30 w-full rounded-lg px-3 py-2 text-sm font-medium text-white disabled:cursor-not-allowed disabled:opacity-50"
+                    className="bg-primary hover:bg-primary/90 w-full rounded-lg px-3 py-2 text-sm font-medium text-white disabled:cursor-not-allowed disabled:opacity-50"
                   >
                     Done
                   </button>
@@ -1468,7 +1468,7 @@ function WorkflowBuilderInner() {
           <div className="flex items-center gap-2">
             <button
               onClick={() => setShowWorkflowSettings((prev) => !prev)}
-              className="flex items-center gap-2 rounded-full border border-gray-200 bg-white px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-gray-200 dark:hover:bg-[#383838]"
+              className="border-border bg-card hover:bg-accent flex items-center gap-2 rounded-full border px-4 py-2 text-sm font-medium text-gray-700 transition-colors dark:text-gray-200"
             >
               <Settings2 size={16} />
               Details
@@ -1476,7 +1476,7 @@ function WorkflowBuilderInner() {
             {canManageAgent && (
               <button
                 onClick={() => navigate(`/agents/logs/${effectiveAgentId}`)}
-                className="flex items-center gap-2 rounded-full border border-gray-200 bg-white px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-gray-200 dark:hover:bg-[#383838]"
+                className="border-border bg-card hover:bg-accent flex items-center gap-2 rounded-full border px-4 py-2 text-sm font-medium text-gray-700 transition-colors dark:text-gray-200"
               >
                 <ChartColumn size={16} />
                 Logs
@@ -1485,7 +1485,7 @@ function WorkflowBuilderInner() {
             {canManageAgent && (
               <button
                 onClick={() => setAgentDetails('ACTIVE')}
-                className="flex items-center gap-2 rounded-full border border-gray-200 bg-white px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-gray-200 dark:hover:bg-[#383838]"
+                className="border-border bg-card hover:bg-accent flex items-center gap-2 rounded-full border px-4 py-2 text-sm font-medium text-gray-700 transition-colors dark:text-gray-200"
               >
                 <Link size={16} />
                 Access Details
@@ -1495,7 +1495,7 @@ function WorkflowBuilderInner() {
               <button
                 onClick={() => setDeleteConfirmation('ACTIVE')}
                 disabled={isDeletingAgent}
-                className="flex items-center gap-2 rounded-full border border-red-200 bg-white px-4 py-2 text-sm font-medium text-red-600 transition-colors hover:bg-red-50 disabled:cursor-not-allowed disabled:opacity-50 dark:border-red-900/30 dark:bg-[#2C2C2C] dark:text-red-400 dark:hover:bg-red-900/10"
+                className="bg-card flex items-center gap-2 rounded-full border border-red-200 px-4 py-2 text-sm font-medium text-red-600 transition-colors hover:bg-red-50 disabled:cursor-not-allowed disabled:opacity-50 dark:border-red-900/30 dark:text-red-400 dark:hover:bg-red-900/10"
               >
                 <Trash2 size={16} />
                 {isDeletingAgent ? 'Deleting...' : 'Delete'}
@@ -1511,7 +1511,7 @@ function WorkflowBuilderInner() {
                 }
                 setShowPreview(true);
               }}
-              className="flex items-center gap-2 rounded-full border border-gray-200 bg-white px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-gray-200 dark:hover:bg-[#383838]"
+              className="border-border bg-card hover:bg-accent flex items-center gap-2 rounded-full border px-4 py-2 text-sm font-medium text-gray-700 transition-colors dark:text-gray-200"
             >
               <Play size={16} />
               Preview
@@ -1521,8 +1521,8 @@ function WorkflowBuilderInner() {
               disabled={isPrimaryActionDisabled}
               className={`relative inline-flex items-center justify-center rounded-full px-6 py-2 text-sm font-medium shadow-sm transition-colors disabled:cursor-not-allowed ${
                 canManageAgent && !hasSavableChanges
-                  ? 'bg-gray-200 text-gray-500 dark:bg-[#3A3A3A] dark:text-gray-400'
-                  : 'bg-violets-are-blue hover:bg-purple-30 text-white disabled:opacity-50'
+                  ? 'dark:bg-accent bg-gray-200 text-gray-500 dark:text-gray-400'
+                  : 'bg-primary hover:bg-primary/90 text-white disabled:opacity-50'
               }`}
             >
               <span
@@ -1571,18 +1571,18 @@ function WorkflowBuilderInner() {
         )}
 
         <div className="flex flex-1 overflow-hidden">
-          <div className="border-light-silver dark:bg-raisin-black flex w-64 flex-col gap-6 border-r bg-gray-50 p-4 dark:border-[#3A3A3A]">
+          <div className="border-border bg-muted dark:bg-background flex w-64 flex-col gap-6 border-r p-4">
             <div>
               <h3 className="mb-3 text-xs font-semibold tracking-wider text-gray-500 uppercase dark:text-gray-400">
                 Core Nodes
               </h3>
               <div className="flex flex-col gap-2">
                 <div
-                  className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                  className="group border-border bg-card flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                   draggable
                   onDragStart={(e) => handleNodeDragStart(e, 'agent')}
                 >
-                  <div className="text-violets-are-blue group-hover:bg-violets-are-blue flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-purple-100 transition-colors group-hover:text-white">
+                  <div className="text-primary group-hover:bg-primary flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-purple-100 transition-colors group-hover:text-white">
                     <Bot size={18} />
                   </div>
                   <span className="text-sm font-medium text-gray-700 dark:text-gray-200">
@@ -1590,7 +1590,7 @@ function WorkflowBuilderInner() {
                   </span>
                 </div>
                 <div
-                  className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                  className="group border-border bg-card flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                   draggable
                   onDragStart={(e) => handleNodeDragStart(e, 'end')}
                 >
@@ -1602,7 +1602,7 @@ function WorkflowBuilderInner() {
                   </span>
                 </div>
                 <div
-                  className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                  className="group border-border bg-card flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                   draggable
                   onDragStart={(e) => handleNodeDragStart(e, 'note')}
                 >
@@ -1622,7 +1622,7 @@ function WorkflowBuilderInner() {
               </h3>
               <div className="flex flex-col gap-2">
                 <div
-                  className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                  className="group border-border bg-card flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                   draggable
                   onDragStart={(e) => handleNodeDragStart(e, 'state')}
                 >
@@ -1630,16 +1630,16 @@ function WorkflowBuilderInner() {
                     <Database size={18} />
                   </div>
                   <div className="flex flex-col">
-                    <span className="text-sm font-medium text-gray-700 dark:text-gray-200">
+                    <span className="text-foreground text-sm font-medium">
                       Set State
                     </span>
-                    <span className="text-[10px] text-gray-400">
+                    <span className="text-muted-foreground text-[10px]">
                       Modify workflow variables
                     </span>
                   </div>
                 </div>
                 <div
-                  className="group flex cursor-move items-center gap-3 rounded-full border bg-white px-4 py-3 shadow-sm transition-all hover:shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]"
+                  className="group border-border bg-card flex cursor-move items-center gap-3 rounded-full border px-4 py-3 shadow-sm transition-all hover:shadow-md"
                   draggable
                   onDragStart={(e) => handleNodeDragStart(e, 'condition')}
                 >
@@ -1647,10 +1647,10 @@ function WorkflowBuilderInner() {
                     <GitBranch size={18} />
                   </div>
                   <div className="flex flex-col">
-                    <span className="text-sm font-medium text-gray-700 dark:text-gray-200">
+                    <span className="text-foreground text-sm font-medium">
                       If / Else
                     </span>
-                    <span className="text-[10px] text-gray-400">
+                    <span className="text-muted-foreground text-[10px]">
                       Conditional branching
                     </span>
                   </div>
@@ -1661,7 +1661,7 @@ function WorkflowBuilderInner() {
 
           <div
             ref={reactFlowWrapper}
-            className="dark:bg-raisin-black/10 relative flex-1 bg-gray-50"
+            className="bg-muted dark:bg-background/10 relative flex-1"
           >
             <ReactFlow
               nodes={nodes}
@@ -1687,8 +1687,8 @@ function WorkflowBuilderInner() {
                   className="absolute inset-0 z-10"
                   onClick={handlePanelBackdropClick}
                 />
-                <div className="border-light-silver dark:bg-raisin-black absolute top-4 right-4 z-20 w-96 rounded-2xl border bg-white shadow-[0px_4px_40px_-3px_#0000001A] dark:border-[#3A3A3A]">
-                  <div className="border-light-silver flex items-center justify-between border-b p-4 dark:border-[#3A3A3A]">
+                <div className="border-border bg-card absolute top-4 right-4 z-20 w-96 rounded-2xl border shadow-[0px_4px_40px_-3px_#0000001A]">
+                  <div className="border-border flex items-center justify-between border-b p-4">
                     <h3 className="font-semibold text-gray-900 dark:text-white">
                       {selectedNode.type === 'start' && 'Start Node'}
                       {selectedNode.type === 'end' && 'End Node'}
@@ -1707,7 +1707,7 @@ function WorkflowBuilderInner() {
 
                   <div className="max-h-[calc(100vh-200px)] overflow-y-auto p-4">
                     <div className="mb-4 flex flex-col gap-2">
-                      <div className="rounded-lg bg-gray-50 p-3 dark:bg-[#2C2C2C]">
+                      <div className="bg-muted rounded-lg p-3">
                         <div className="mb-1 text-xs text-gray-500 dark:text-gray-400">
                           Node ID
                         </div>
@@ -1736,7 +1736,7 @@ function WorkflowBuilderInner() {
                                     label: e.target.value,
                                   })
                                 }
-                                className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                className="border-border focus:ring-ring bg-card w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                 placeholder="Enter node title"
                               />
                             </div>
@@ -1833,7 +1833,7 @@ function WorkflowBuilderInner() {
                                         },
                                       })
                                     }
-                                    className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                    className="border-border focus:ring-ring bg-card w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                     rows={3}
                                     placeholder="System prompt for the agent"
                                   />
@@ -1876,7 +1876,7 @@ function WorkflowBuilderInner() {
                                         },
                                       });
                                     }}
-                                    className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                    className="border-border focus:ring-ring bg-card w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                     placeholder="Variable name for output"
                                   />
                                 </div>
@@ -1969,7 +1969,7 @@ function WorkflowBuilderInner() {
                                         e.target.value,
                                       )
                                     }
-                                    className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 font-mono text-xs transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                    className="border-border focus:ring-ring bg-card w-full rounded-xl border px-3 py-2 font-mono text-xs transition-all outline-none focus:ring-2 dark:text-white"
                                     rows={8}
                                     placeholder={`{
   "type": "object",
@@ -2009,7 +2009,7 @@ function WorkflowBuilderInner() {
                                       content: e.target.value,
                                     })
                                   }
-                                  className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+                                  className="border-border focus:ring-ring bg-card w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                   rows={4}
                                   placeholder="Enter note content"
                                 />
@@ -2034,7 +2034,7 @@ function WorkflowBuilderInner() {
                                   ) => (
                                     <div
                                       key={idx}
-                                      className="rounded-xl border border-gray-200 p-3 dark:border-[#3A3A3A]"
+                                      className="border-border rounded-xl border p-3"
                                     >
                                       <div className="mb-2 flex items-center justify-between">
                                         <span className="text-sm font-medium text-gray-700 dark:text-gray-300">
@@ -2084,18 +2084,18 @@ function WorkflowBuilderInner() {
                                             },
                                           });
                                         }}
-                                        className="border-light-silver focus:ring-purple-30 mb-1 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                        className="border-border focus:ring-ring bg-card dark:bg-accent mb-1 w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                         rows={2}
                                         placeholder="input.foo + 1"
                                       />
-                                      <p className="mb-3 text-[10px] text-gray-400">
+                                      <p className="text-muted-foreground mb-3 text-[10px]">
                                         Use Common Expression Language to create
                                         a custom expression.{' '}
                                         <a
                                           href="https://cel.dev/"
                                           target="_blank"
                                           rel="noreferrer"
-                                          className="text-violets-are-blue underline"
+                                          className="text-primary underline"
                                         >
                                           Learn more
                                         </a>
@@ -2124,7 +2124,7 @@ function WorkflowBuilderInner() {
                                               },
                                             });
                                           }}
-                                          className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                          className="border-border focus:ring-ring bg-card dark:bg-accent w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                           placeholder="variable_name"
                                         />
                                       </div>
@@ -2145,7 +2145,7 @@ function WorkflowBuilderInner() {
                                       },
                                     });
                                   }}
-                                  className="flex items-center gap-1 rounded-lg px-3 py-1.5 text-sm font-medium text-gray-600 transition-colors hover:bg-gray-100 dark:text-gray-400 dark:hover:bg-[#383838]"
+                                  className="hover:bg-accent flex items-center gap-1 rounded-lg px-3 py-1.5 text-sm font-medium text-gray-600 transition-colors dark:text-gray-400"
                                 >
                                   <Plus size={14} />
                                   Add
@@ -2158,7 +2158,7 @@ function WorkflowBuilderInner() {
                                 <p className="text-xs text-gray-500 dark:text-gray-400">
                                   Create conditions to branch your workflow
                                 </p>
-                                <div className="flex overflow-hidden rounded-lg border border-gray-200 dark:border-[#3A3A3A]">
+                                <div className="border-border flex overflow-hidden rounded-lg border">
                                   <button
                                     onClick={() =>
                                       handleUpdateNodeData({
@@ -2171,8 +2171,8 @@ function WorkflowBuilderInner() {
                                     className={`flex-1 px-3 py-1.5 text-xs font-medium transition-colors ${
                                       (selectedNode.data.config?.mode ||
                                         'simple') === 'simple'
-                                        ? 'bg-violets-are-blue text-white'
-                                        : 'text-gray-600 hover:bg-gray-50 dark:text-gray-400 dark:hover:bg-[#383838]'
+                                        ? 'bg-primary text-white'
+                                        : 'hover:bg-accent text-gray-600 dark:text-gray-400'
                                     }`}
                                   >
                                     Simple
@@ -2189,8 +2189,8 @@ function WorkflowBuilderInner() {
                                     className={`flex-1 px-3 py-1.5 text-xs font-medium transition-colors ${
                                       selectedNode.data.config?.mode ===
                                       'advanced'
-                                        ? 'bg-violets-are-blue text-white'
-                                        : 'text-gray-600 hover:bg-gray-50 dark:text-gray-400 dark:hover:bg-[#383838]'
+                                        ? 'bg-primary text-white'
+                                        : 'hover:bg-accent text-gray-600 dark:text-gray-400'
                                     }`}
                                   >
                                     Advanced
@@ -2201,7 +2201,7 @@ function WorkflowBuilderInner() {
                                   (c: ConditionCase, idx: number) => (
                                     <div
                                       key={c.sourceHandle}
-                                      className="rounded-xl border border-gray-200 p-3 dark:border-[#3A3A3A]"
+                                      className="border-border rounded-xl border p-3"
                                     >
                                       <div className="mb-2 flex items-center justify-between">
                                         <span className="text-sm font-semibold text-orange-600 dark:text-orange-400">
@@ -2266,7 +2266,7 @@ function WorkflowBuilderInner() {
                                             },
                                           });
                                         }}
-                                        className="border-light-silver focus:ring-purple-30 mb-2 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                        className="border-border focus:ring-ring bg-card dark:bg-accent mb-2 w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                         placeholder="Case name (optional)"
                                       />
                                       {(selectedNode.data.config?.mode ||
@@ -2302,7 +2302,7 @@ function WorkflowBuilderInner() {
                                                 },
                                               });
                                             }}
-                                            className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                            className="border-border focus:ring-ring bg-card dark:bg-accent w-full rounded-xl border px-3 py-2 text-sm outline-none focus:ring-2 dark:text-white"
                                             placeholder="Variable"
                                           />
                                           <Select
@@ -2394,7 +2394,7 @@ function WorkflowBuilderInner() {
                                                 },
                                               });
                                             }}
-                                            className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                            className="border-border focus:ring-ring bg-card dark:bg-accent w-full rounded-xl border px-3 py-2 text-sm outline-none focus:ring-2 dark:text-white"
                                             placeholder="Value"
                                           />
                                         </div>
@@ -2419,18 +2419,18 @@ function WorkflowBuilderInner() {
                                                 },
                                               });
                                             }}
-                                            className="border-light-silver focus:ring-purple-30 w-full rounded-xl border bg-white px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:border-[#3A3A3A] dark:bg-[#383838] dark:text-white"
+                                            className="border-border focus:ring-ring bg-card dark:bg-accent w-full rounded-xl border px-3 py-2 text-sm transition-all outline-none focus:ring-2 dark:text-white"
                                             rows={2}
                                             placeholder="Enter condition, e.g. input == 5"
                                           />
-                                          <p className="mt-1 text-[10px] text-gray-400">
+                                          <p className="text-muted-foreground mt-1 text-[10px]">
                                             Use Common Expression Language to
                                             create a custom expression.{' '}
                                             <a
                                               href="https://cel.dev/"
                                               target="_blank"
                                               rel="noreferrer"
-                                              className="text-violets-are-blue underline"
+                                              className="text-primary underline"
                                             >
                                               Learn more
                                             </a>
@@ -2461,7 +2461,7 @@ function WorkflowBuilderInner() {
                                       },
                                     });
                                   }}
-                                  className="flex items-center gap-1 rounded-lg px-3 py-1.5 text-sm font-medium text-gray-600 transition-colors hover:bg-gray-100 dark:text-gray-400 dark:hover:bg-[#383838]"
+                                  className="hover:bg-accent flex items-center gap-1 rounded-lg px-3 py-1.5 text-sm font-medium text-gray-600 transition-colors dark:text-gray-400"
                                 >
                                   <Plus size={14} />
                                   Add
@@ -2493,7 +2493,7 @@ function WorkflowBuilderInner() {
           <SheetContent
             side="right"
             showCloseButton={false}
-            className="dark:bg-raisin-black w-full max-w-none p-0 sm:max-w-[600px] md:max-w-[700px] lg:max-w-[800px] dark:border-[#3A3A3A]"
+            className="bg-card w-full max-w-none p-0 sm:max-w-[600px] md:max-w-[700px] lg:max-w-[800px]"
           >
             <WorkflowPreview
               workflowData={{
diff --git a/frontend/src/agents/workflow/WorkflowPreview.tsx b/frontend/src/agents/workflow/WorkflowPreview.tsx
index 88f90c9b..e9ad45ac 100644
--- a/frontend/src/agents/workflow/WorkflowPreview.tsx
+++ b/frontend/src/agents/workflow/WorkflowPreview.tsx
@@ -150,7 +150,7 @@ function ExecutionDetails({
                   ref={(el) => {
                     if (el && stepRefs) stepRefs.current.set(step.nodeId, el);
                   }}
-                  className="rounded-xl bg-[#F5F5F5] p-3 dark:bg-[#383838]"
+                  className="bg-muted dark:bg-accent rounded-xl p-3"
                 >
                   <div className="flex items-center gap-2 text-sm">
                     <span className="flex h-5 w-5 shrink-0 items-center justify-center text-xs font-medium text-gray-500 dark:text-gray-400">
@@ -181,7 +181,7 @@ function ExecutionDetails({
                   {(hasOutput || step.error || stateVars.length > 0) && (
                     <div className="mt-3 space-y-2 text-sm">
                       {hasOutput && (
-                        <div className="rounded-lg bg-white p-2 dark:bg-[#2A2A2A]">
+                        <div className="bg-muted rounded-lg p-2">
                           <span className="font-medium text-gray-600 dark:text-gray-400">
                             Output:{' '}
                           </span>
@@ -205,7 +205,7 @@ function ExecutionDetails({
                           {stateVars.map(([key, value]) => (
                             <span
                               key={key}
-                              className="inline-flex items-center rounded-lg bg-white px-2 py-1 text-xs dark:bg-[#2A2A2A]"
+                              className="bg-muted inline-flex items-center rounded-lg px-2 py-1 text-xs"
                             >
                               <span className="max-w-[100px] truncate font-medium text-gray-600 dark:text-gray-400">
                                 {key}:
@@ -487,10 +487,10 @@ export default function WorkflowPreview({
     queries.length > 0 ? queries[queries.length - 1].executionSteps || [] : [];
 
   return (
-    <div className="dark:bg-raisin-black flex h-full flex-col bg-white">
-      <div className="border-light-silver dark:bg-raisin-black flex h-[77px] items-center justify-between border-b bg-white px-6 dark:border-[#3A3A3A]">
+    <div className="bg-card flex h-full flex-col">
+      <div className="border-border flex h-[77px] items-center justify-between border-b px-6">
         <div className="flex items-center gap-3">
-          <div className="flex items-center justify-center rounded-full bg-gray-100 p-3 text-gray-600 dark:bg-[#2C2C2C] dark:text-gray-300">
+          <div className="bg-muted flex items-center justify-center rounded-full p-3 text-gray-600 dark:text-gray-300">
             <Play className="h-4 w-4" />
           </div>
           <div>
@@ -504,7 +504,7 @@ export default function WorkflowPreview({
           </div>
         </div>
         {status === 'loading' && (
-          <span className="text-purple-30 dark:text-violets-are-blue flex items-center gap-1 text-xs">
+          <span className="text-primary dark:text-primary flex items-center gap-1 text-xs">
             <Loader2 className="h-3 w-3 animate-spin" />
             Running
           </span>
@@ -512,7 +512,7 @@ export default function WorkflowPreview({
       </div>
 
       <div className="flex min-h-0 flex-1">
-        <div className="flex w-64 shrink-0 flex-col border-r border-gray-200 dark:border-[#3A3A3A]">
+        <div className="border-border flex w-64 shrink-0 flex-col border-r">
           <div className="flex items-center justify-between px-4 py-3">
             <h3 className="text-xs font-semibold tracking-wider text-gray-500 uppercase dark:text-gray-400">
               Workflow
@@ -537,7 +537,7 @@ export default function WorkflowPreview({
           >
             {queries.length === 0 ? (
               <div className="flex h-full flex-col items-center justify-center">
-                <div className="mb-2 flex size-14 shrink-0 items-center justify-center rounded-xl bg-gray-100 dark:bg-[#2C2C2C]">
+                <div className="bg-muted mb-2 flex size-14 shrink-0 items-center justify-center rounded-xl">
                   <MessageSquare className="size-6 text-gray-600 dark:text-gray-300" />
                 </div>
                 <p className="text-xl font-semibold text-gray-700 dark:text-gray-200">
@@ -618,7 +618,7 @@ export default function WorkflowPreview({
               </div>
             )}
           </div>
-          <div className="dark:bg-raisin-black absolute right-0 bottom-0 left-0 flex w-full flex-col gap-2 bg-white px-4 pt-2 pb-4">
+          <div className="bg-card absolute right-0 bottom-0 left-0 flex w-full flex-col gap-2 px-4 pt-2 pb-4">
             <MessageInput
               onSubmit={(text) => handleQuestionSubmission(text)}
               loading={status === 'loading'}
diff --git a/frontend/src/agents/workflow/components/MobileBlocker.tsx b/frontend/src/agents/workflow/components/MobileBlocker.tsx
index 0d941482..92e8d19e 100644
--- a/frontend/src/agents/workflow/components/MobileBlocker.tsx
+++ b/frontend/src/agents/workflow/components/MobileBlocker.tsx
@@ -2,14 +2,14 @@ import { Monitor } from 'lucide-react';
 
 export default function MobileBlocker() {
   return (
-    <div className="bg-lotion dark:bg-raisin-black flex min-h-screen flex-col items-center justify-center px-6 text-center md:hidden">
-      <div className="bg-violets-are-blue/10 dark:bg-violets-are-blue/20 mb-6 flex h-20 w-20 items-center justify-center rounded-2xl">
-        <Monitor className="text-violets-are-blue h-10 w-10" />
+    <div className="bg-background flex min-h-screen flex-col items-center justify-center px-6 text-center md:hidden">
+      <div className="bg-primary/10 dark:bg-primary/20 mb-6 flex h-20 w-20 items-center justify-center rounded-2xl">
+        <Monitor className="text-primary h-10 w-10" />
       </div>
-      <h2 className="mb-2 text-xl font-bold text-gray-900 dark:text-white">
+      <h2 className="text-foreground mb-2 text-xl font-bold">
         Desktop Required
       </h2>
-      <p className="max-w-sm text-sm leading-relaxed text-gray-500 dark:text-[#E0E0E0]">
+      <p className="text-muted-foreground max-w-sm text-sm leading-relaxed">
         The Workflow Builder requires a larger screen for the best experience.
         Please open this page on a desktop or laptop computer.
       </p>
diff --git a/frontend/src/agents/workflow/components/PromptTextArea.tsx b/frontend/src/agents/workflow/components/PromptTextArea.tsx
index 973f7a43..07a772fa 100644
--- a/frontend/src/agents/workflow/components/PromptTextArea.tsx
+++ b/frontend/src/agents/workflow/components/PromptTextArea.tsx
@@ -186,7 +186,7 @@ function HighlightedOverlay({ text }: { text: string }) {
     <>
       {parts.map((part, i) =>
         /^\{\{[^}]*\}\}$/.test(part) ? (
-          <span key={i} className="text-violets-are-blue font-medium">
+          <span key={i} className="text-primary font-medium">
             {part}
           </span>
         ) : (
@@ -222,7 +222,7 @@ function VariableListWithSearch({
 
   return (
     <div className="flex w-full flex-col overflow-hidden">
-      <div className="flex items-center gap-2 border-b border-[#E5E5E5] px-3 py-2 dark:border-[#3A3A3A]">
+      <div className="border-border flex items-center gap-2 border-b px-3 py-2">
         <Search className="text-muted-foreground h-3.5 w-3.5 shrink-0" />
         <input
           type="text"
@@ -252,9 +252,9 @@ function VariableListWithSearch({
                     e.stopPropagation();
                     onSelect(v.templatePath);
                   }}
-                  className="flex w-full cursor-pointer items-center gap-2 px-3 py-1.5 text-left text-sm transition-colors hover:bg-gray-50 dark:hover:bg-[#383838]"
+                  className="hover:bg-accent flex w-full cursor-pointer items-center gap-2 px-3 py-1.5 text-left text-sm transition-colors"
                 >
-                  <Braces className="text-violets-are-blue h-3.5 w-3.5 shrink-0" />
+                  <Braces className="text-primary h-3.5 w-3.5 shrink-0" />
                   <span className="truncate font-medium text-gray-800 dark:text-gray-200">
                     {v.label}
                   </span>
@@ -412,7 +412,7 @@ export default function PromptTextArea({
       )}
       <div
         ref={wrapperRef}
-        className="border-light-silver focus-within:ring-purple-30 relative rounded-xl border bg-white transition-all focus-within:ring-2 dark:border-[#3A3A3A] dark:bg-[#2C2C2C]"
+        className="border-border focus-within:ring-ring bg-card relative rounded-xl border transition-all focus-within:ring-2"
       >
         <div
           ref={overlayRef}
@@ -463,7 +463,7 @@ export default function PromptTextArea({
             <PopoverTrigger asChild>
               <button
                 type="button"
-                className="text-violets-are-blue hover:bg-violets-are-blue/10 flex items-center gap-1 rounded-md px-2 py-1 text-xs font-medium transition-colors"
+                className="text-primary hover:bg-primary/10 flex items-center gap-1 rounded-md px-2 py-1 text-xs font-medium transition-colors"
               >
                 <Plus className="h-3 w-3" />
                 Add context
@@ -472,7 +472,7 @@ export default function PromptTextArea({
             <PopoverContent
               align="end"
               side="top"
-              className="w-60 rounded-xl border border-[#E5E5E5] bg-white p-0 shadow-lg dark:border-[#3A3A3A] dark:bg-[#2C2C2C]"
+              className="border-border bg-card w-60 rounded-xl border p-0 shadow-lg"
               onOpenAutoFocus={(e) => e.preventDefault()}
             >
               <VariableListWithSearch
@@ -486,7 +486,7 @@ export default function PromptTextArea({
         {showDropdown && filtered.length > 0 && (
           <div
             ref={dropdownRef}
-            className="absolute z-50 w-64 rounded-xl border border-[#E5E5E5] bg-white shadow-lg dark:border-[#3A3A3A] dark:bg-[#2C2C2C]"
+            className="border-border bg-card absolute z-50 w-64 rounded-xl border shadow-lg"
             style={{ top: dropdownPos.top, left: dropdownPos.left }}
           >
             <VariableListWithSearch
diff --git a/frontend/src/agents/workflow/nodes/BaseNode.tsx b/frontend/src/agents/workflow/nodes/BaseNode.tsx
index 0d376f1d..37387ffb 100644
--- a/frontend/src/agents/workflow/nodes/BaseNode.tsx
+++ b/frontend/src/agents/workflow/nodes/BaseNode.tsx
@@ -21,14 +21,13 @@ export const BaseNode: React.FC<BaseNodeProps> = ({
   icon,
   handles = { source: true, target: true },
 }) => {
-  let bgColor = 'bg-white dark:bg-[#2C2C2C]';
-  let borderColor = 'border-gray-200 dark:border-[#3A3A3A]';
+  let bgColor = 'bg-card';
+  let borderColor = 'border-border';
   let iconBg = 'bg-gray-100 dark:bg-gray-800';
   let iconColor = 'text-gray-600 dark:text-gray-400';
 
   if (selected) {
-    borderColor =
-      'border-violets-are-blue ring-2 ring-purple-300 dark:ring-violets-are-blue';
+    borderColor = 'border-primary ring-2 ring-primary';
   }
 
   if (type === 'start') {
@@ -56,7 +55,7 @@ export const BaseNode: React.FC<BaseNodeProps> = ({
           type="target"
           position={Position.Left}
           isConnectable={true}
-          className="hover:bg-violets-are-blue! -left-1! h-3! w-3! rounded-full! border-2! border-white! bg-gray-400! transition-colors dark:border-[#2C2C2C]!"
+          className="hover:bg-primary/90! border-card! -left-1! h-3! w-3! rounded-full! border-2! bg-gray-400! transition-colors!"
         />
       )}
 
@@ -86,7 +85,7 @@ export const BaseNode: React.FC<BaseNodeProps> = ({
           type="source"
           position={Position.Right}
           isConnectable={true}
-          className="hover:bg-violets-are-blue! -right-1! h-3! w-3! rounded-full! border-2! border-white! bg-gray-400! transition-colors dark:border-[#2C2C2C]!"
+          className="hover:bg-primary/90! border-card! -right-1! h-3! w-3! rounded-full! border-2! bg-gray-400! transition-colors!"
         />
       )}
     </div>
diff --git a/frontend/src/agents/workflow/nodes/ConditionNode.tsx b/frontend/src/agents/workflow/nodes/ConditionNode.tsx
index 392c86aa..0c833f8f 100644
--- a/frontend/src/agents/workflow/nodes/ConditionNode.tsx
+++ b/frontend/src/agents/workflow/nodes/ConditionNode.tsx
@@ -36,10 +36,10 @@ const ConditionNode = ({ data, selected }: NodeProps<ConditionNodeData>) => {
 
   return (
     <div
-      className={`relative rounded-2xl border bg-white shadow-md transition-all dark:bg-[#2C2C2C] ${
+      className={`bg-card relative rounded-2xl border shadow-md transition-all ${
         selected
-          ? 'border-violets-are-blue dark:ring-violets-are-blue scale-105 ring-2 ring-purple-300'
-          : 'border-gray-200 hover:shadow-lg dark:border-[#3A3A3A]'
+          ? 'border-primary dark:ring-primary scale-105 ring-2 ring-purple-300'
+          : 'border-border hover:shadow-lg'
       }`}
       style={{ minWidth: 180, maxWidth: 220, height }}
     >
@@ -47,7 +47,7 @@ const ConditionNode = ({ data, selected }: NodeProps<ConditionNodeData>) => {
         type="target"
         position={Position.Left}
         isConnectable
-        className="hover:bg-violets-are-blue! top-1/2! -left-1! h-3! w-3! rounded-full! border-2! border-white! bg-gray-400! transition-colors dark:border-[#2C2C2C]!"
+        className="hover:bg-primary/90! border-card! top-1/2! -left-1! h-3! w-3! rounded-full! border-2! bg-gray-400! transition-colors!"
       />
 
       <div className="flex items-center gap-3 px-3 py-2">
@@ -100,7 +100,7 @@ const ConditionNode = ({ data, selected }: NodeProps<ConditionNodeData>) => {
           id={c.sourceHandle}
           isConnectable
           style={{ top: getHandleTop(i, totalOutputs) }}
-          className="hover:bg-violets-are-blue! -right-1! h-3! w-3! rounded-full! border-2! border-white! bg-orange-400! transition-colors dark:border-[#2C2C2C]!"
+          className="hover:bg-primary/90! dark:border-border! -right-1! h-3! w-3! rounded-full! border-2! border-white! bg-orange-400! transition-colors"
         />
       ))}
       <Handle
@@ -109,7 +109,7 @@ const ConditionNode = ({ data, selected }: NodeProps<ConditionNodeData>) => {
         id="else"
         isConnectable
         style={{ top: getHandleTop(cases.length, totalOutputs) }}
-        className="hover:bg-violets-are-blue! -right-1! h-3! w-3! rounded-full! border-2! border-white! bg-gray-400! transition-colors dark:border-[#2C2C2C]!"
+        className="hover:bg-primary/90! border-card! -right-1! h-3! w-3! rounded-full! border-2! bg-gray-400! transition-colors!"
       />
     </div>
   );
diff --git a/frontend/src/agents/workflow/nodes/index.tsx b/frontend/src/agents/workflow/nodes/index.tsx
index 94b34263..cdbfb37c 100644
--- a/frontend/src/agents/workflow/nodes/index.tsx
+++ b/frontend/src/agents/workflow/nodes/index.tsx
@@ -77,7 +77,7 @@ export const AgentNode = memo(function AgentNode({
         )}
         {config.model_id && (
           <div
-            className="text-purple-30 dark:text-violets-are-blue truncate text-xs"
+            className="text-primary dark:text-primary truncate text-xs"
             title={config.model_id}
           >
             {config.model_id}
diff --git a/frontend/src/components/Accordion.tsx b/frontend/src/components/Accordion.tsx
index afc54483..bb0da630 100644
--- a/frontend/src/components/Accordion.tsx
+++ b/frontend/src/components/Accordion.tsx
@@ -37,7 +37,7 @@ export default function Accordion({
         className={`flex w-full items-center justify-between focus:outline-hidden ${titleClassName}`}
         onClick={toggleAccordion}
       >
-        <p className="break-words">{title}</p>
+        <p className="wrap-break-word">{title}</p>
         <img
           src={ChevronDown}
           className={`h-5 w-5 transform transition-transform duration-200 dark:invert ${
diff --git a/frontend/src/components/ActionButtons.tsx b/frontend/src/components/ActionButtons.tsx
index 22d4f286..7243b96c 100644
--- a/frontend/src/components/ActionButtons.tsx
+++ b/frontend/src/components/ActionButtons.tsx
@@ -53,7 +53,7 @@ export default function ActionButtons({
           <button
             title={t('actionButtons.openNewChat')}
             onClick={newChat}
-            className="hover:bg-bright-gray flex items-center gap-1 rounded-full p-2 lg:hidden dark:hover:bg-[#28292E]"
+            className="hover:bg-accent dark:hover:bg-accent flex items-center gap-1 rounded-full p-2 lg:hidden"
           >
             <img
               className="filter dark:invert"
@@ -70,7 +70,7 @@ export default function ActionButtons({
             <button
               title={t('actionButtons.share')}
               onClick={() => setShareModalState(true)}
-              className="hover:bg-bright-gray rounded-full p-2 dark:hover:bg-[#28292E]"
+              className="hover:bg-accent dark:hover:bg-accent rounded-full p-2"
             >
               <img
                 className="filter dark:invert"
diff --git a/frontend/src/components/ArtifactSidebar.tsx b/frontend/src/components/ArtifactSidebar.tsx
index bde85132..3c79ab3c 100644
--- a/frontend/src/components/ArtifactSidebar.tsx
+++ b/frontend/src/components/ArtifactSidebar.tsx
@@ -1,19 +1,19 @@
 import React, { useEffect, useState } from 'react';
-import { useSelector } from 'react-redux';
 import ReactMarkdown from 'react-markdown';
-import remarkGfm from 'remark-gfm';
+import { useSelector } from 'react-redux';
 import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
 import {
   oneLight,
   vscDarkPlus,
 } from 'react-syntax-highlighter/dist/cjs/styles/prism';
+import remarkGfm from 'remark-gfm';
 
-import Exit from '../assets/exit.svg';
-import { selectToken } from '../preferences/preferenceSlice';
 import userService from '../api/services/userService';
-import Spinner from './Spinner';
-import CopyButton from './CopyButton';
+import Exit from '../assets/exit.svg';
 import { useDarkTheme } from '../hooks';
+import { selectToken } from '../preferences/preferenceSlice';
+import CopyButton from './CopyButton';
+import Spinner from './Spinner';
 
 type TodoItem = {
   todo_id: number;
@@ -61,7 +61,8 @@ const ARTIFACT_TITLE_BY_TYPE: Record<ArtifactData['artifact_type'], string> = {
 };
 
 function getArtifactTitle(artifact: ArtifactData | null, toolName?: string) {
-  if (artifact) return ARTIFACT_TITLE_BY_TYPE[artifact.artifact_type] ?? 'Artifact';
+  if (artifact)
+    return ARTIFACT_TITLE_BY_TYPE[artifact.artifact_type] ?? 'Artifact';
 
   const formattedToolName = (toolName ?? '')
     .replace(/_/g, ' ')
@@ -161,7 +162,7 @@ function NoteView({ data }: { data: NoteArtifactData }) {
       <div className="flex-1 overflow-y-auto p-4">
         {data.content ? (
           <ReactMarkdown
-            className="flex flex-col gap-3 text-sm leading-normal break-words whitespace-pre-wrap text-gray-800 dark:text-gray-200"
+            className="flex flex-col gap-3 text-sm leading-normal wrap-break-word whitespace-pre-wrap text-gray-800 dark:text-gray-200"
             remarkPlugins={[remarkGfm]}
             components={{
               code(props) {
@@ -178,9 +179,9 @@ function NoteView({ data }: { data: NoteArtifactData }) {
                 const language = match ? match[1] : '';
 
                 return match ? (
-                  <div className="group border-light-silver dark:border-raisin-black relative my-2 overflow-hidden rounded-[14px] border">
-                    <div className="bg-platinum dark:bg-eerie-black-2 flex items-center justify-between px-2 py-1">
-                      <span className="text-just-black dark:text-chinese-white text-xs font-medium">
+                  <div className="group border-border relative my-2 overflow-hidden rounded-[14px] border">
+                    <div className="bg-platinum flex items-center justify-between px-2 py-1">
+                      <span className="text-foreground dark:text-foreground text-xs font-medium">
                         {language}
                       </span>
                       <CopyButton
@@ -203,7 +204,7 @@ function NoteView({ data }: { data: NoteArtifactData }) {
                   </div>
                 ) : (
                   <code
-                    className="dark:bg-independence dark:text-bright-gray rounded-[6px] bg-gray-200 px-[8px] py-[4px] text-xs font-normal"
+                    className="dark:bg-accent dark:text-foreground rounded-[6px] bg-gray-200 px-2 py-1 text-xs font-normal"
                     {...rest}
                   >
                     {children}
@@ -315,17 +316,17 @@ export default function ArtifactSidebar({
     // Generate a unique ID for this fetch
     const fetchId = `${effectiveArtifactId}-${Date.now()}`;
     currentFetchIdRef.current = fetchId;
-    
+
     setLoading(true);
     setError(null);
-    
+
     // Note: For todo artifacts, the endpoint always returns all todos for the tool; will be coversation scoped later
     userService
       .getArtifact(effectiveArtifactId, token)
       .then(async (res: any) => {
         // Ignore if this is not the current fetch
         if (currentFetchIdRef.current !== fetchId) return;
-        
+
         const isResponseLike = res && typeof res.json === 'function';
         const status = isResponseLike ? res.status : undefined;
         const ok = isResponseLike ? Boolean(res.ok) : true;
@@ -453,7 +454,7 @@ export default function ArtifactSidebar({
               {title}
             </span>
             <button
-              className="rounded-full p-1 hover:bg-gray-100 dark:hover:bg-gray-800"
+              className="hover:bg-accent dark:hover:bg-accent rounded-full p-1"
               onClick={onClose}
             >
               <img
@@ -472,7 +473,7 @@ export default function ArtifactSidebar({
   return (
     <div ref={sidebarRef} className="h-vh relative">
       <div
-        className={`dark:bg-chinese-black fixed top-0 right-0 z-50 flex h-full w-80 transform flex-col bg-white shadow-xl transition-all duration-300 sm:w-96 ${
+        className={`dark:bg-card bg-card fixed top-0 right-0 z-50 flex h-full w-80 transform flex-col shadow-xl transition-all duration-300 sm:w-96 ${
           isOpen ? 'translate-x-0' : 'translate-x-full'
         } border-l border-[#9ca3af]/10`}
       >
@@ -481,7 +482,7 @@ export default function ArtifactSidebar({
             {title}
           </span>
           <button
-            className="hover:bg-gray-1000 dark:hover:bg-gun-metal rounded-full p-2"
+            className="hover:bg-accent rounded-full p-2"
             onClick={onClose}
           >
             <img
diff --git a/frontend/src/components/Chunks.tsx b/frontend/src/components/Chunks.tsx
index 060b6dfc..f66f3cbd 100644
--- a/frontend/src/components/Chunks.tsx
+++ b/frontend/src/components/Chunks.tsx
@@ -1,25 +1,27 @@
-import React, { useState, useEffect, useRef } from 'react';
-import { useSelector } from 'react-redux';
+import React, { useEffect, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
-import { selectToken } from '../preferences/preferenceSlice';
+import { useSelector } from 'react-redux';
+
+import userService from '../api/services/userService';
+import ArrowLeft from '../assets/arrow-left.svg';
+import FileIcon from '../assets/file.svg';
+import FolderIcon from '../assets/folder.svg';
+import NoFilesDarkIcon from '../assets/no-files-dark.svg';
+import NoFilesIcon from '../assets/no-files.svg';
+import SearchIcon from '../assets/search.svg';
 import {
   useDarkTheme,
   useLoaderState,
   useMediaQuery,
   useOutsideAlerter,
 } from '../hooks';
-import userService from '../api/services/userService';
-import ArrowLeft from '../assets/arrow-left.svg';
-import NoFilesIcon from '../assets/no-files.svg';
-import NoFilesDarkIcon from '../assets/no-files-dark.svg';
-import SkeletonLoader from './SkeletonLoader';
 import ConfirmationModal from '../modals/ConfirmationModal';
 import { ActiveState } from '../models/misc';
+import { selectToken } from '../preferences/preferenceSlice';
 import { ChunkType } from '../settings/types';
 import Pagination from './DocumentPagination';
-import FileIcon from '../assets/file.svg';
-import FolderIcon from '../assets/folder.svg';
-import SearchIcon from '../assets/search.svg';
+import SkeletonLoader from './SkeletonLoader';
+
 interface LineNumberedTextareaProps {
   value: string;
   onChange: (value: string) => void;
@@ -73,7 +75,7 @@ const LineNumberedTextarea: React.FC<LineNumberedTextareaProps> = ({
         ))}
       </div>
       <textarea
-        className={`w-full resize-none overflow-hidden border-none bg-transparent pl-8 font-['Inter'] text-[13.68px] leading-[19.93px] text-[#18181B] outline-none lg:pl-12 dark:text-white ${isMobile ? 'min-h-[calc(100vh-200px)]' : 'min-h-[calc(100vh-300px)]'} ${!editable ? 'select-none' : ''}`}
+        className={`text-foreground w-full resize-none overflow-hidden border-none bg-transparent pl-8 font-['Inter'] text-[13.68px] leading-[19.93px] outline-none lg:pl-12 dark:text-white ${isMobile ? 'min-h-[calc(100vh-200px)]' : 'min-h-[calc(100vh-300px)]'} ${!editable ? 'select-none' : ''}`}
         value={value}
         onChange={editable ? handleChange : undefined}
         onDoubleClick={onDoubleClick}
@@ -301,7 +303,7 @@ const Chunks: React.FC<ChunksProps> = ({
       <div className="mb-0 flex min-h-[38px] flex-col gap-2 text-base sm:flex-row sm:items-center sm:justify-between">
         <div className="flex w-full items-center sm:w-auto">
           <button
-            className="mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium text-gray-400 transition-all duration-200 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+            className="mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium text-gray-400 transition-all duration-200 dark:border-0 dark:text-gray-500"
             onClick={
               editingChunk
                 ? () => setEditingChunk(null)
@@ -315,17 +317,17 @@ const Chunks: React.FC<ChunksProps> = ({
 
           <div className="flex flex-wrap items-center">
             {/* Removed the directory icon */}
-            <span className="font-semibold break-words text-[#7D54D1]">
+            <span className="font-semibold wrap-break-word text-[#7D54D1]">
               {documentName}
             </span>
 
             {pathParts.length > 0 && (
               <>
-                <span className="mx-1 flex-shrink-0 text-gray-500">/</span>
+                <span className="mx-1 shrink-0 text-gray-500">/</span>
                 {pathParts.map((part, index) => (
                   <React.Fragment key={index}>
                     <span
-                      className={`break-words ${
+                      className={`wrap-break-word ${
                         index < pathParts.length - 1
                           ? 'font-medium text-[#7D54D1]'
                           : 'text-gray-700 dark:text-gray-300'
@@ -334,9 +336,7 @@ const Chunks: React.FC<ChunksProps> = ({
                       {part}
                     </span>
                     {index < pathParts.length - 1 && (
-                      <span className="mx-1 flex-shrink-0 text-gray-500">
-                        /
-                      </span>
+                      <span className="mx-1 shrink-0 text-gray-500">/</span>
                     )}
                   </React.Fragment>
                 ))}
@@ -350,7 +350,7 @@ const Chunks: React.FC<ChunksProps> = ({
             !isEditing ? (
               <>
                 <button
-                  className="bg-purple-30 hover:bg-violets-are-blue flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-nowrap text-white"
+                  className="bg-primary hover:bg-primary/90 flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-nowrap text-white"
                   onClick={() => setIsEditing(true)}
                 >
                   {t('modals.chunk.edit')}
@@ -370,7 +370,7 @@ const Chunks: React.FC<ChunksProps> = ({
                   onClick={() => {
                     setIsEditing(false);
                   }}
-                  className="dark:text-light-gray flex h-[38px] min-w-[108px] cursor-pointer items-center justify-center rounded-full px-4 py-1 text-sm font-medium text-nowrap hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+                  className="dark:text-foreground hover:bg-accent dark:hover:bg-accent flex h-[38px] min-w-[108px] cursor-pointer items-center justify-center rounded-full px-4 py-1 text-sm font-medium text-nowrap"
                 >
                   {t('modals.chunk.cancel')}
                 </button>
@@ -402,7 +402,7 @@ const Chunks: React.FC<ChunksProps> = ({
                     editingText.trim() &&
                     (editingTitle !== (editingChunk?.metadata?.title || '') ||
                       editingText !== (editingChunk?.text || ''))
-                      ? 'bg-purple-30 hover:bg-violets-are-blue cursor-pointer'
+                      ? 'bg-primary hover:bg-primary/90 cursor-pointer'
                       : 'cursor-not-allowed bg-gray-400'
                   }`}
                 >
@@ -414,7 +414,7 @@ const Chunks: React.FC<ChunksProps> = ({
             <>
               <button
                 onClick={() => setIsAddingChunk(false)}
-                className="dark:text-light-gray flex h-[38px] min-w-[108px] cursor-pointer items-center justify-center rounded-full px-4 py-1 text-sm font-medium text-nowrap hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+                className="dark:text-foreground hover:bg-accent dark:hover:bg-accent flex h-[38px] min-w-[108px] cursor-pointer items-center justify-center rounded-full px-4 py-1 text-sm font-medium text-nowrap"
               >
                 {t('modals.chunk.cancel')}
               </button>
@@ -428,7 +428,7 @@ const Chunks: React.FC<ChunksProps> = ({
                 disabled={!editingText.trim()}
                 className={`flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 py-1 text-[14px] font-medium text-nowrap text-white transition-all ${
                   editingText.trim()
-                    ? 'bg-purple-30 hover:bg-violets-are-blue cursor-pointer'
+                    ? 'bg-primary hover:bg-primary/90 cursor-pointer'
                     : 'cursor-not-allowed bg-gray-400'
                 }`}
               >
@@ -488,14 +488,14 @@ const Chunks: React.FC<ChunksProps> = ({
             value={fileSearchQuery}
             onChange={(e) => handleFileSearchChange(e.target.value)}
             placeholder={t('settings.sources.searchFiles')}
-            className={`h-[38px] w-full border border-[#D1D9E0] py-2 pr-4 pl-10 dark:border-[#6A6A6A] ${
+            className={`border-border dark:border-border h-[38px] w-full border py-2 pr-4 pl-10 ${
               fileSearchQuery ? 'rounded-t-[6px]' : 'rounded-[6px]'
-            } bg-transparent transition-all duration-200 focus:outline-none dark:text-[#E0E0E0]`}
+            } bg-transparent transition-all duration-200 focus:outline-none`}
           />
         </div>
 
         {fileSearchQuery && (
-          <div className="absolute z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-[6px] border border-t-0 border-[#D1D9E0] bg-white shadow-lg dark:border-[#6A6A6A] dark:bg-[#1F2023]">
+          <div className="border-border bg-card dark:border-border dark:bg-card absolute z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-[6px] border border-t-0 shadow-lg">
             <div className="max-h-[calc(100vh-200px)] overflow-x-hidden overflow-y-auto">
               {fileSearchResults.length === 0 ? (
                 <div className="py-2 text-center text-sm text-gray-500 dark:text-gray-400">
@@ -507,18 +507,18 @@ const Chunks: React.FC<ChunksProps> = ({
                     key={index}
                     title={result.path}
                     onClick={() => handleSearchResultClick(result)}
-                    className={`flex cursor-pointer items-center px-3 py-2 hover:bg-[#ECEEEF] dark:hover:bg-[#27282D] ${
+                    className={`hover:bg-muted dark:hover:bg-muted flex cursor-pointer items-center px-3 py-2 ${
                       index !== fileSearchResults.length - 1
-                        ? 'border-b border-[#D1D9E0] dark:border-[#6A6A6A]'
+                        ? 'border-border dark:border-border border-b'
                         : ''
                     }`}
                   >
                     <img
                       src={result.isFile ? FileIcon : FolderIcon}
                       alt={result.isFile ? 'File' : 'Folder'}
-                      className="mr-2 h-4 w-4 flex-shrink-0"
+                      className="mr-2 h-4 w-4 shrink-0"
                     />
-                    <span className="truncate text-sm dark:text-[#E0E0E0]">
+                    <span className="truncate text-sm">
                       {result.name ||
                         result.path.split('/').pop() ||
                         result.path}
@@ -546,8 +546,8 @@ const Chunks: React.FC<ChunksProps> = ({
           {!editingChunk && !isAddingChunk ? (
             <>
               <div className="mb-3 flex flex-col items-start justify-between gap-3 sm:flex-row sm:items-center">
-                <div className="flex h-[38px] w-full flex-1 items-center overflow-hidden rounded-md border border-[#D1D9E0] dark:border-[#6A6A6A]">
-                  <div className="flex h-full items-center px-4 font-medium whitespace-nowrap text-gray-700 dark:text-[#E0E0E0]">
+                <div className="border-border dark:border-border flex h-[38px] w-full flex-1 items-center overflow-hidden rounded-md border">
+                  <div className="dark:text-foreground flex h-full items-center px-4 font-medium whitespace-nowrap text-gray-700">
                     {totalChunks > 999999
                       ? `${(totalChunks / 1000000).toFixed(2)}M`
                       : totalChunks > 999
@@ -555,19 +555,19 @@ const Chunks: React.FC<ChunksProps> = ({
                         : totalChunks}{' '}
                     {t('settings.sources.chunks')}
                   </div>
-                  <div className="h-full w-[1px] bg-[#D1D9E0] dark:bg-[#6A6A6A]"></div>
+                  <div className="bg-border dark:bg-border h-full w-px"></div>
                   <div className="h-full flex-1">
                     <input
                       type="text"
                       placeholder={t('settings.sources.searchPlaceholder')}
                       value={searchTerm}
                       onChange={(e) => setSearchTerm(e.target.value)}
-                      className="h-full w-full border-none bg-transparent px-3 py-2 text-[13.56px] leading-[100%] font-normal outline-none dark:text-[#E0E0E0]"
+                      className="h-full w-full border-none bg-transparent px-3 py-2 text-[13.56px] leading-[100%] font-normal outline-none"
                     />
                   </div>
                 </div>
                 <button
-                  className="bg-purple-30 hover:bg-violets-are-blue flex h-[38px] w-full min-w-[108px] shrink-0 items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-normal text-white sm:w-auto"
+                  className="bg-primary hover:bg-primary/90 flex h-[38px] w-full min-w-[108px] shrink-0 items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-normal text-white sm:w-auto"
                   title={t('settings.sources.addChunk')}
                   onClick={() => {
                     setIsAddingChunk(true);
@@ -579,11 +579,11 @@ const Chunks: React.FC<ChunksProps> = ({
                 </button>
               </div>
               {loading ? (
-                <div className="grid w-full grid-cols-1 justify-items-start gap-4 sm:[grid-template-columns:repeat(auto-fit,minmax(400px,1fr))]">
+                <div className="grid w-full grid-cols-1 justify-items-start gap-4 sm:grid-cols-[repeat(auto-fit,minmax(400px,1fr))]">
                   <SkeletonLoader component="chunkCards" count={perPage} />
                 </div>
               ) : (
-                <div className="grid w-full grid-cols-1 justify-items-start gap-4 sm:[grid-template-columns:repeat(auto-fit,minmax(400px,1fr))]">
+                <div className="grid w-full grid-cols-1 justify-items-start gap-4 sm:grid-cols-[repeat(auto-fit,minmax(400px,1fr))]">
                   {filteredChunks.length === 0 ? (
                     <div className="col-span-full flex min-h-[50vh] w-full flex-col items-center justify-center text-center text-gray-500 dark:text-gray-400">
                       <img
@@ -597,7 +597,7 @@ const Chunks: React.FC<ChunksProps> = ({
                     filteredChunks.map((chunk, index) => (
                       <div
                         key={index}
-                        className="relative flex h-[197px] w-full max-w-[487px] transform cursor-pointer flex-col justify-between overflow-hidden rounded-[5.86px] border border-[#D1D9E0] transition-transform duration-200 hover:scale-105 dark:border-[#6A6A6A]"
+                        className="border-border dark:border-border relative flex h-[197px] w-full max-w-[487px] transform cursor-pointer flex-col justify-between overflow-hidden rounded-[5.86px] border transition-transform duration-200 hover:scale-105"
                         onClick={() => {
                           setEditingChunk(chunk);
                           setEditingTitle(chunk.metadata?.title || '');
@@ -605,8 +605,8 @@ const Chunks: React.FC<ChunksProps> = ({
                         }}
                       >
                         <div className="w-full">
-                          <div className="flex w-full items-center justify-between border-b border-[#D1D9E0] bg-[#F6F8FA] px-4 py-3 dark:border-[#6A6A6A] dark:bg-[#27282D]">
-                            <div className="text-sm text-[#59636E] dark:text-[#E0E0E0]">
+                          <div className="border-border bg-muted dark:border-border dark:bg-card flex w-full items-center justify-between border-b px-4 py-3">
+                            <div className="dark:text-muted-foreground text-sm text-[#59636E]">
                               {chunk.metadata.token_count
                                 ? chunk.metadata.token_count.toLocaleString()
                                 : '-'}{' '}
@@ -614,7 +614,7 @@ const Chunks: React.FC<ChunksProps> = ({
                             </div>
                           </div>
                           <div className="px-4 pt-3 pb-6">
-                            <p className="line-clamp-6 font-['Inter'] text-[13.68px] leading-[19.93px] font-normal text-[#18181B] dark:text-[#E0E0E0]">
+                            <p className="text-foreground line-clamp-6 font-['Inter'] text-[13.68px] leading-[19.93px] font-normal">
                               {chunk.text}
                             </p>
                           </div>
@@ -627,7 +627,7 @@ const Chunks: React.FC<ChunksProps> = ({
             </>
           ) : isAddingChunk ? (
             <div className="w-full">
-              <div className="relative overflow-hidden rounded-lg border border-[#D1D9E0] dark:border-[#6A6A6A]">
+              <div className="border-border dark:border-border relative overflow-hidden rounded-lg border">
                 <LineNumberedTextarea
                   value={editingText}
                   onChange={setEditingText}
@@ -639,9 +639,9 @@ const Chunks: React.FC<ChunksProps> = ({
           ) : (
             editingChunk && (
               <div className="w-full">
-                <div className="relative flex w-full flex-col overflow-hidden rounded-[5.86px] border border-[#D1D9E0] dark:border-[#6A6A6A]">
-                  <div className="flex w-full items-center justify-between border-b border-[#D1D9E0] bg-[#F6F8FA] px-4 py-3 dark:border-[#6A6A6A] dark:bg-[#27282D]">
-                    <div className="text-sm text-[#59636E] dark:text-[#E0E0E0]">
+                <div className="border-border dark:border-border relative flex w-full flex-col overflow-hidden rounded-[5.86px] border">
+                  <div className="border-border bg-muted dark:border-border dark:bg-card flex w-full items-center justify-between border-b px-4 py-3">
+                    <div className="dark:text-muted-foreground text-sm text-[#59636E]">
                       {editingChunk.metadata.token_count
                         ? editingChunk.metadata.token_count.toLocaleString()
                         : '-'}{' '}
diff --git a/frontend/src/components/ConfigFields.tsx b/frontend/src/components/ConfigFields.tsx
index 87a520d5..9e7520c4 100644
--- a/frontend/src/components/ConfigFields.tsx
+++ b/frontend/src/components/ConfigFields.tsx
@@ -68,9 +68,7 @@ export default function ConfigFields({
             <div key={key} className="flex flex-col gap-1.5">
               <Label htmlFor={key}>
                 {spec.label || key}
-                {spec.required && (
-                  <span className="text-red-500">*</span>
-                )}
+                {spec.required && <span className="text-red-500">*</span>}
               </Label>
               <Select
                 value={value || spec.default || ''}
@@ -82,7 +80,8 @@ export default function ConfigFields({
                   size="lg"
                   className={cn(
                     'w-full rounded-xl',
-                    hasError && 'border-destructive aria-invalid:ring-destructive/20',
+                    hasError &&
+                      'border-destructive aria-invalid:ring-destructive/20',
                   )}
                 >
                   <SelectValue placeholder={spec.label || key} />
@@ -90,13 +89,14 @@ export default function ConfigFields({
                 <SelectContent>
                   {spec.enum.map((v) => (
                     <SelectItem key={v} value={v}>
-                      {v.charAt(0).toUpperCase() + v.slice(1).replace(/_/g, ' ')}
+                      {v.charAt(0).toUpperCase() +
+                        v.slice(1).replace(/_/g, ' ')}
                     </SelectItem>
                   ))}
                 </SelectContent>
               </Select>
               {hasError && (
-                <p className="text-xs text-destructive">{errors[key]}</p>
+                <p className="text-destructive text-xs">{errors[key]}</p>
               )}
             </div>
           );
@@ -106,9 +106,7 @@ export default function ConfigFields({
           <div key={key} className="flex flex-col gap-1.5">
             <Label htmlFor={key}>
               {spec.label || key}
-              {spec.required && (
-                <span className="text-red-500">*</span>
-              )}
+              {spec.required && <span className="text-red-500">*</span>}
             </Label>
             <Input
               id={key}
@@ -134,12 +132,14 @@ export default function ConfigFields({
               }}
               placeholder={placeholder || spec.description || ''}
               min={spec.type === 'number' ? 1 : undefined}
-              max={spec.type === 'number' && key === 'timeout' ? 300 : undefined}
+              max={
+                spec.type === 'number' && key === 'timeout' ? 300 : undefined
+              }
               aria-invalid={hasError || undefined}
               className={cn('rounded-xl', hasError && 'border-destructive')}
             />
             {hasError && (
-              <p className="text-xs text-destructive">{errors[key]}</p>
+              <p className="text-destructive text-xs">{errors[key]}</p>
             )}
           </div>
         );
diff --git a/frontend/src/components/ConnectorAuth.tsx b/frontend/src/components/ConnectorAuth.tsx
index 6411df90..eefeb999 100644
--- a/frontend/src/components/ConnectorAuth.tsx
+++ b/frontend/src/components/ConnectorAuth.tsx
@@ -136,7 +136,7 @@ const ConnectorAuth: React.FC<ConnectorAuthProps> = ({
           </svg>
 
           <span
-            className="text-sm text-[#E60000] dark:text-[#E37064]"
+            className="text-sm text-[#E60000] dark:text-red-400"
             style={{
               fontFamily: 'Inter',
               lineHeight: '100%',
diff --git a/frontend/src/components/ConnectorTree.tsx b/frontend/src/components/ConnectorTree.tsx
index a05ec38b..81b0b282 100644
--- a/frontend/src/components/ConnectorTree.tsx
+++ b/frontend/src/components/ConnectorTree.tsx
@@ -1,30 +1,31 @@
-import React, { useState, useRef, useEffect } from 'react';
+import React, { useEffect, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
-import { formatBytes } from '../utils/stringUtils';
-import { selectToken } from '../preferences/preferenceSlice';
+
+import userService from '../api/services/userService';
+import ArrowLeft from '../assets/arrow-left.svg';
+import CheckmarkIcon from '../assets/checkMark2.svg';
+import EyeView from '../assets/eye-view.svg';
+import FileIcon from '../assets/file.svg';
+import FolderIcon from '../assets/folder.svg';
+import SyncIcon from '../assets/sync.svg';
+import ThreeDots from '../assets/three-dots.svg';
+import { useLoaderState, useOutsideAlerter } from '../hooks';
+import ConfirmationModal from '../modals/ConfirmationModal';
 import { ActiveState } from '../models/misc';
+import { selectToken } from '../preferences/preferenceSlice';
+import { formatBytes } from '../utils/stringUtils';
 import Chunks from './Chunks';
 import ContextMenu, { MenuOption } from './ContextMenu';
 import SkeletonLoader from './SkeletonLoader';
-import ConfirmationModal from '../modals/ConfirmationModal';
-import userService from '../api/services/userService';
-import FileIcon from '../assets/file.svg';
-import FolderIcon from '../assets/folder.svg';
-import ArrowLeft from '../assets/arrow-left.svg';
-import ThreeDots from '../assets/three-dots.svg';
-import EyeView from '../assets/eye-view.svg';
-import SyncIcon from '../assets/sync.svg';
-import CheckmarkIcon from '../assets/checkMark2.svg';
-import { useOutsideAlerter, useLoaderState } from '../hooks';
 import {
   Table,
+  TableBody,
+  TableCell,
   TableContainer,
   TableHead,
-  TableBody,
-  TableRow,
   TableHeader,
-  TableCell,
+  TableRow,
 } from './Table';
 
 interface FileNode {
@@ -325,26 +326,26 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
         {/* Left side with path navigation */}
         <div className="flex w-full items-center sm:w-auto">
           <button
-            className="mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+            className="text-muted-foreground mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium dark:border-0"
             onClick={handleBackNavigation}
           >
             <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
           </button>
 
           <div className="flex flex-wrap items-center">
-            <span className="font-semibold break-words text-[#7D54D1]">
+            <span className="font-semibold wrap-break-word text-[#7D54D1]">
               {sourceName}
             </span>
             {currentPath.length > 0 && (
               <>
-                <span className="mx-1 flex-shrink-0 text-gray-500">/</span>
+                <span className="text-muted-foreground mx-1 shrink-0">/</span>
                 {currentPath.map((dir, index) => (
                   <React.Fragment key={index}>
-                    <span className="break-words text-gray-700 dark:text-[#E0E0E0]">
+                    <span className="dark:text-foreground wrap-break-word text-gray-700">
                       {dir}
                     </span>
                     {index < currentPath.length - 1 && (
-                      <span className="mx-1 flex-shrink-0 text-gray-500">
+                      <span className="text-muted-foreground mx-1 shrink-0">
                         /
                       </span>
                     )}
@@ -364,8 +365,8 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
             disabled={isSyncing}
             className={`flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-nowrap transition-colors ${
               isSyncing
-                ? 'cursor-not-allowed bg-gray-300 text-gray-600 dark:bg-gray-600 dark:text-gray-400'
-                : 'bg-purple-30 hover:bg-violets-are-blue text-white'
+                ? 'dark:bg-muted dark:text-muted-foreground cursor-not-allowed bg-gray-300 text-gray-600'
+                : 'bg-primary hover:bg-primary/90 text-white'
             }`}
             title={
               isSyncing
@@ -402,7 +403,7 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
                   <img
                     src={FolderIcon}
                     alt={t('settings.sources.parentFolderAlt')}
-                    className="mr-2 h-4 w-4 flex-shrink-0"
+                    className="mr-2 h-4 w-4 shrink-0"
                   />
                   <span className="truncate">..</span>
                 </div>
@@ -449,7 +450,7 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
                 <img
                   src={FolderIcon}
                   alt={t('settings.sources.folderAlt')}
-                  className="mr-2 h-4 w-4 flex-shrink-0"
+                  className="mr-2 h-4 w-4 shrink-0"
                 />
                 <span className="truncate">{name}</span>
               </div>
@@ -466,7 +467,7 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
               <div ref={menuRef} className="relative">
                 <button
                   onClick={(e) => handleMenuClick(e, itemId)}
-                  className="inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB] dark:hover:bg-[#26272E]"
+                  className="dark:hover:bg-muted inline-flex h-[35px] w-6 shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB]"
                   aria-label={t('settings.sources.menuAlt')}
                 >
                   <img
@@ -512,7 +513,7 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
                 <img
                   src={FileIcon}
                   alt={t('settings.sources.fileAlt')}
-                  className="mr-2 h-4 w-4 flex-shrink-0"
+                  className="mr-2 h-4 w-4 shrink-0"
                 />
                 <span className="truncate">{displayName}</span>
               </div>
@@ -527,7 +528,7 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
               <div ref={menuRef} className="relative">
                 <button
                   onClick={(e) => handleMenuClick(e, itemId)}
-                  className="inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB] dark:hover:bg-[#26272E]"
+                  className="dark:hover:bg-muted inline-flex h-[35px] w-6 shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB]"
                   aria-label={t('settings.sources.menuAlt')}
                 >
                   <img
@@ -625,14 +626,14 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
             }
           }}
           placeholder={t('settings.sources.searchFiles')}
-          className={`h-[38px] w-full border border-[#D1D9E0] px-4 py-2 dark:border-[#6A6A6A] ${searchQuery ? 'rounded-t-[24px]' : 'rounded-[24px]'} bg-transparent focus:outline-none dark:text-[#E0E0E0]`}
+          className={`border-border dark:border-border h-[38px] w-full border px-4 py-2 ${searchQuery ? 'rounded-t-[24px]' : 'rounded-[24px]'} bg-transparent focus:outline-none`}
         />
 
         {searchQuery && (
-          <div className="absolute top-full right-0 left-0 z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-[12px] border border-t-0 border-[#D1D9E0] bg-white shadow-lg transition-all duration-200 dark:border-[#6A6A6A] dark:bg-[#1F2023]">
+          <div className="border-border bg-card dark:border-border dark:bg-card absolute top-full right-0 left-0 z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-2xl border border-t-0 shadow-lg transition-all duration-200">
             <div className="max-h-[calc(100vh-200px)] overflow-x-hidden overflow-y-auto overscroll-contain">
               {searchResults.length === 0 ? (
-                <div className="py-2 text-center text-sm text-gray-500 dark:text-gray-400">
+                <div className="text-muted-foreground py-2 text-center text-sm">
                   {t('settings.sources.noResults')}
                 </div>
               ) : (
@@ -641,9 +642,9 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
                     key={index}
                     onClick={() => handleSearchSelect(result)}
                     title={result.path}
-                    className={`flex min-w-0 cursor-pointer items-center px-3 py-2 hover:bg-[#ECEEEF] dark:hover:bg-[#27282D] ${
+                    className={`hover:bg-muted dark:hover:bg-muted flex min-w-0 cursor-pointer items-center px-3 py-2 ${
                       index !== searchResults.length - 1
-                        ? 'border-b border-[#D1D9E0] dark:border-[#6A6A6A]'
+                        ? 'border-border dark:border-border border-b'
                         : ''
                     }`}
                   >
@@ -654,9 +655,9 @@ const ConnectorTree: React.FC<ConnectorTreeProps> = ({
                           ? t('settings.sources.fileAlt')
                           : t('settings.sources.folderAlt')
                       }
-                      className="mr-2 h-4 w-4 flex-shrink-0"
+                      className="mr-2 h-4 w-4 shrink-0"
                     />
-                    <span className="flex-1 truncate text-sm dark:text-[#E0E0E0]">
+                    <span className="flex-1 truncate text-sm">
                       {result.name}
                     </span>
                   </div>
diff --git a/frontend/src/components/ContextMenu.tsx b/frontend/src/components/ContextMenu.tsx
index 9348a45c..cc0de0db 100644
--- a/frontend/src/components/ContextMenu.tsx
+++ b/frontend/src/components/ContextMenu.tsx
@@ -127,7 +127,7 @@ export default function ContextMenu({
       onClick={(e) => e.stopPropagation()}
     >
       <div
-        className="bg-lotion dark:bg-charleston-green-2 flex flex-col rounded-xl text-sm shadow-xl"
+        className="bg-background dark:bg-card flex flex-col rounded-xl text-sm shadow-xl"
         style={{ minWidth: '144px' }}
       >
         {options.map((option, index) => (
@@ -141,8 +141,8 @@ export default function ContextMenu({
             }}
             className={`flex items-center justify-start gap-4 p-3 transition-colors duration-200 ease-in-out ${index === 0 ? 'rounded-t-xl' : ''} ${index === options.length - 1 ? 'rounded-b-xl' : ''} ${
               option.variant === 'danger'
-                ? 'text-rosso-corsa hover:bg-bright-gray dark:text-red-2000 dark:hover:bg-charcoal-grey/20'
-                : 'text-eerie-black hover:bg-bright-gray dark:text-bright-gray dark:hover:bg-charcoal-grey/20'
+                ? 'text-destructive hover:bg-muted'
+                : 'text-foreground hover:bg-muted'
             } `}
           >
             {option.icon && (
diff --git a/frontend/src/components/CopyButton.tsx b/frontend/src/components/CopyButton.tsx
index f032fc11..329de40f 100644
--- a/frontend/src/components/CopyButton.tsx
+++ b/frontend/src/components/CopyButton.tsx
@@ -39,8 +39,7 @@ export default function CopyButton({
     'flex items-center justify-center rounded-full transition-colors duration-150 ease-in-out',
     padding,
     {
-      [`bg-[#FFFFFF}] dark:bg-transparent hover:bg-[#EEEEEE] dark:hover:bg-purple-taupe`]:
-        !isCopied,
+      [`bg-transparent hover:bg-muted`]: !isCopied,
       'bg-green-100 dark:bg-green-900 hover:bg-green-100 dark:hover:bg-green-900':
         isCopied,
     },
diff --git a/frontend/src/components/DocumentPagination.tsx b/frontend/src/components/DocumentPagination.tsx
index 7f255ed0..a4b0a8fb 100644
--- a/frontend/src/components/DocumentPagination.tsx
+++ b/frontend/src/components/DocumentPagination.tsx
@@ -61,12 +61,12 @@ const Pagination: React.FC<PaginationProps> = ({
         <div className="relative">
           <button
             onClick={toggleDropdown}
-            className="dark:bg-dark-charcoal dark:text-light-gray rounded border px-3 py-1 hover:bg-gray-200 dark:hover:bg-neutral-700"
+            className="dark:bg-card dark:text-foreground hover:bg-accent dark:hover:bg-accent rounded border px-3 py-1"
           >
             {rowsPerPage}
           </button>
           <div
-            className={`ring-opacity-5 dark:bg-dark-charcoal absolute right-0 z-50 mt-1 w-28 transform bg-white shadow-lg ring-1 ring-black transition-all duration-200 ease-in-out ${
+            className={`ring-opacity-5 dark:bg-card bg-card absolute right-0 z-50 mt-1 w-28 transform shadow-lg ring-1 ring-black transition-all duration-200 ease-in-out ${
               isDropdownOpen
                 ? 'block scale-100 opacity-100'
                 : 'hidden scale-95 opacity-0'
@@ -76,10 +76,10 @@ const Pagination: React.FC<PaginationProps> = ({
               <div
                 key={option}
                 onClick={() => handleSelectRowsPerPage(option)}
-                className={`cursor-pointer px-4 py-2 text-xs hover:bg-gray-100 dark:hover:bg-neutral-700 ${
+                className={`hover:bg-accent dark:hover:bg-accent cursor-pointer px-4 py-2 text-xs ${
                   rowsPerPage === option
-                    ? 'dark:text-light-gray bg-gray-100 dark:bg-neutral-700'
-                    : 'dark:bg-dark-charcoal dark:text-light-gray bg-white'
+                    ? 'dark:text-foreground bg-gray-100 dark:bg-neutral-700'
+                    : 'bg-card dark:text-foreground'
                 }`}
               >
                 {option}
diff --git a/frontend/src/components/Dropdown.tsx b/frontend/src/components/Dropdown.tsx
index 9a14ac27..a6776f58 100644
--- a/frontend/src/components/Dropdown.tsx
+++ b/frontend/src/components/Dropdown.tsx
@@ -1,163 +1,227 @@
-import React from 'react';
+import { Check, ChevronDown, Pencil, Search, Trash2 } from 'lucide-react';
+import React, { useEffect, useMemo, useRef, useState } from 'react';
 
-import Arrow2 from '../assets/dropdown-arrow.svg';
-import Edit from '../assets/edit.svg';
-import Trash from '../assets/trash.svg';
-import { DropdownOption, DropdownProps } from './types/Dropdown.types';
+type OptionBase = { id?: string; type?: string };
+type NameIdOption = { name: string; id: string } & OptionBase;
+type LabelValueOption = { label: string; value: string } & OptionBase;
+type ValueDescriptionOption = {
+  value: number;
+  description: string;
+} & OptionBase;
+
+export type DropdownOption =
+  | string
+  | NameIdOption
+  | LabelValueOption
+  | ValueDescriptionOption;
+
+export type { NameIdOption, LabelValueOption, ValueDescriptionOption };
+
+function getOptionText(option: DropdownOption): string {
+  if (typeof option === 'string') return option;
+  if ('name' in option) return option.name;
+  if ('label' in option) return option.label;
+  if ('description' in option)
+    return option.value < 1e9
+      ? `${option.value} (${option.description})`
+      : option.description;
+  return '';
+}
+
+function optionMatches(
+  option: DropdownOption,
+  selected: DropdownOption | null,
+): boolean {
+  if (!selected) return false;
+  if (typeof selected === 'string' && typeof option === 'string')
+    return selected === option;
+  if (typeof selected === 'string') return getOptionText(option) === selected;
+  if (typeof option === 'string') return getOptionText(selected) === option;
+  const a = option as Record<string, unknown>;
+  const b = selected as Record<string, unknown>;
+  if ('name' in a && 'name' in b) return a.name === b.name;
+  if ('label' in a && 'label' in b) return a.label === b.label;
+  if ('value' in a && 'value' in b) return a.value === b.value;
+  return false;
+}
+
+export interface DropdownProps<T extends DropdownOption = DropdownOption> {
+  options: T[];
+  selectedValue: DropdownOption | null;
+  onSelect: (value: T) => void;
+  size?: string;
+  rounded?: 'xl' | '3xl';
+  searchable?: boolean;
+  placeholder?: string;
+  contentSize?: string;
+  showEdit?: boolean;
+  onEdit?: (value: NameIdOption) => void;
+  showDelete?: boolean | ((option: T) => boolean);
+  onDelete?: (id: string) => void;
+}
 
 function Dropdown<T extends DropdownOption>({
   options,
   selectedValue,
   onSelect,
-  size = 'w-32',
-  rounded = 'xl',
-  buttonClassName = 'border-silver bg-white dark:bg-transparent dark:border-dim-gray',
-  optionsClassName = 'border-silver bg-white dark:border-dim-gray dark:bg-dark-charcoal',
-  border = 'border-2',
+  size = 'w-full',
+  rounded = '3xl',
+  searchable = false,
+  placeholder = 'Select...',
+  contentSize = 'text-sm',
   showEdit,
   onEdit,
   showDelete,
   onDelete,
-  placeholder,
-  placeholderClassName = 'text-gray-500 dark:text-gray-400',
-  contentSize = 'text-base',
 }: DropdownProps<T>) {
-  const dropdownRef = React.useRef<HTMLDivElement>(null);
-  const [isOpen, setIsOpen] = React.useState(false);
-  const borderRadius = rounded === 'xl' ? 'rounded-xl' : 'rounded-3xl';
-  const borderTopRadius = rounded === 'xl' ? 'rounded-t-xl' : 'rounded-t-3xl';
+  const ref = useRef<HTMLDivElement>(null);
+  const searchRef = useRef<HTMLInputElement>(null);
+  const [open, setOpen] = useState(false);
+  const [query, setQuery] = useState('');
 
-  const handleClickOutside = (event: MouseEvent) => {
-    if (
-      dropdownRef.current &&
-      !dropdownRef.current.contains(event.target as Node)
-    ) {
-      setIsOpen(false);
-    }
-  };
+  const radius = rounded === '3xl' ? 'rounded-3xl' : 'rounded-xl';
+  const radiusTop = rounded === '3xl' ? 'rounded-t-3xl' : 'rounded-t-xl';
+  const radiusBottom = rounded === '3xl' ? 'rounded-b-3xl' : 'rounded-b-xl';
 
-  React.useEffect(() => {
-    document.addEventListener('mousedown', handleClickOutside);
-    return () => {
-      document.removeEventListener('mousedown', handleClickOutside);
+  useEffect(() => {
+    const handler = (e: MouseEvent) => {
+      if (ref.current && !ref.current.contains(e.target as Node)) {
+        setOpen(false);
+        setQuery('');
+      }
     };
+    document.addEventListener('mousedown', handler);
+    return () => document.removeEventListener('mousedown', handler);
   }, []);
 
+  useEffect(() => {
+    if (open && searchable && searchRef.current) searchRef.current.focus();
+  }, [open, searchable]);
+
+  const filtered = useMemo(() => {
+    if (!searchable || !query.trim()) return options;
+    const q = query.toLowerCase();
+    return options.filter((o) => getOptionText(o).toLowerCase().includes(q));
+  }, [options, query, searchable]);
+
+  const displayValue = selectedValue ? getOptionText(selectedValue) : null;
+
   return (
-    <div
-      className={[
-        typeof selectedValue === 'string'
-          ? 'relative'
-          : 'relative align-middle',
-        size,
-      ].join(' ')}
-      ref={dropdownRef}
-    >
+    <div className={`relative ${size}`} ref={ref}>
       <button
-        onClick={() => setIsOpen(!isOpen)}
-        className={`flex w-full cursor-pointer items-center justify-between ${border} ${buttonClassName} px-5 py-3 ${
-          isOpen ? `${borderTopRadius}` : `${borderRadius}`
-        }`}
+        type="button"
+        onClick={() => setOpen((v) => !v)}
+        className={`border-border bg-card text-foreground flex w-full cursor-pointer items-center justify-between border px-5 py-3 ${open ? radiusTop : radius}`}
       >
-        {typeof selectedValue === 'string' ? (
-          <span className={`dark:text-bright-gray truncate ${contentSize}`}>
-            {selectedValue}
-          </span>
-        ) : (
-          <span
-            className={`truncate ${selectedValue && `dark:text-bright-gray`} ${
-              !selectedValue && ` ${placeholderClassName}`
-            } ${contentSize}`}
-          >
-            {selectedValue && 'label' in selectedValue
-              ? selectedValue.label
-              : selectedValue && 'description' in selectedValue
-                ? `${
-                    selectedValue.value < 1e9
-                      ? selectedValue.value + ` (${selectedValue.description})`
-                      : selectedValue.description
-                  }`
-                : placeholder
-                  ? placeholder
-                  : 'From URL'}
-          </span>
-        )}
-        <img
-          src={Arrow2}
-          alt="arrow"
-          className={`transform ${
-            isOpen ? 'rotate-180' : 'rotate-0'
-          } h-3 w-3 transition-transform`}
+        <span
+          className={`truncate ${contentSize} ${displayValue ? '' : 'text-muted-foreground'}`}
+        >
+          {displayValue ?? placeholder}
+        </span>
+        <ChevronDown
+          className={`text-muted-foreground ml-2 h-4 w-4 shrink-0 transition-transform ${open ? 'rotate-180' : ''}`}
         />
       </button>
-      {isOpen && (
+
+      {open && (
         <div
-          className={`absolute right-0 left-0 z-20 -mt-1 max-h-40 overflow-y-auto rounded-b-xl ${border} ${optionsClassName} shadow-lg`}
+          className={`border-border bg-card absolute inset-x-0 z-20 -mt-px overflow-hidden border border-t-0 shadow-lg ${radiusBottom}`}
         >
-          {options.map((option: any, index) => (
-            <div
-              key={index}
-              className="hover:eerie-black flex cursor-pointer items-center justify-between hover:bg-gray-100 dark:hover:bg-[#545561]"
-            >
-              <span
-                onClick={() => {
-                  onSelect(option);
-                  setIsOpen(false);
-                }}
-                className={`dark:text-light-gray ml-5 flex-1 overflow-hidden py-3 text-ellipsis whitespace-nowrap ${contentSize}`}
-              >
-                {typeof option === 'string'
-                  ? option
-                  : option.name
-                    ? option.name
-                    : option.label
-                      ? option.label
-                      : `${
-                          option.value < 1e9
-                            ? option.value + ` (${option.description})`
-                            : option.description
-                        }`}
-              </span>
-              {showEdit && onEdit && option.type !== 'public' && (
-                <img
-                  src={Edit}
-                  alt="Edit"
-                  className="mr-4 h-4 w-4 cursor-pointer hover:opacity-50"
-                  onClick={() => {
-                    onEdit({
-                      id: option.id,
-                      name: option.name,
-                      type: option.type,
-                    });
-                    setIsOpen(false);
-                  }}
-                />
-              )}
-              {showDelete && onDelete && (
-                <button
-                  onClick={(e) => {
-                    e.stopPropagation();
-                    onDelete?.(typeof option === 'string' ? option : option.id);
-                  }}
-                  className={`${
-                    typeof showDelete === 'function' && !showDelete(option)
-                      ? 'hidden'
-                      : ''
-                  } mr-2 h-4 w-4 cursor-pointer hover:opacity-50`}
-                >
-                  <img
-                    src={Trash}
-                    alt="Delete"
-                    className={`mr-2 h-4 w-4 cursor-pointer hover:opacity-50 ${
-                      option.type === 'public'
-                        ? 'cursor-not-allowed opacity-50'
-                        : ''
-                    }`}
-                  />
-                </button>
-              )}
+          {searchable && (
+            <div className="flex items-center px-3 py-2">
+              <Search className="text-muted-foreground mr-2 h-4 w-4 shrink-0" />
+              <input
+                ref={searchRef}
+                type="text"
+                value={query}
+                onChange={(e) => setQuery(e.target.value)}
+                placeholder="Search..."
+                className="text-foreground placeholder:text-muted-foreground w-full bg-transparent text-sm focus:outline-none"
+                onClick={(e) => e.stopPropagation()}
+              />
             </div>
-          ))}
+          )}
+
+          <div className="scrollbar-thin border-border max-h-48 overflow-y-auto border-t">
+            {filtered.length === 0 ? (
+              <div className="text-muted-foreground px-4 py-3 text-center text-sm">
+                No results found
+              </div>
+            ) : (
+              filtered.map((option, i) => {
+                const active = optionMatches(option, selectedValue);
+                const optObj =
+                  typeof option !== 'string'
+                    ? (option as Record<string, unknown>)
+                    : null;
+
+                return (
+                  <div
+                    key={i}
+                    className={`hover:bg-accent flex cursor-pointer items-center justify-between ${active ? 'bg-accent font-medium' : ''}`}
+                  >
+                    <span
+                      onClick={() => {
+                        onSelect(option);
+                        setOpen(false);
+                        setQuery('');
+                      }}
+                      className={`text-foreground flex-1 truncate px-4 py-2.5 ${contentSize}`}
+                    >
+                      {getOptionText(option)}
+                    </span>
+
+                    {active && !showEdit && !showDelete && (
+                      <Check className="text-primary mr-3 h-4 w-4 shrink-0" />
+                    )}
+
+                    {showEdit &&
+                      onEdit &&
+                      optObj &&
+                      optObj.type !== 'public' && (
+                        <button
+                          type="button"
+                          onClick={() => {
+                            onEdit({
+                              id: optObj.id as string,
+                              name: optObj.name as string,
+                              type: optObj.type as string,
+                            });
+                            setOpen(false);
+                            setQuery('');
+                          }}
+                          className="hover:bg-accent mr-1 rounded p-1"
+                        >
+                          <Pencil className="text-muted-foreground h-3.5 w-3.5" />
+                        </button>
+                      )}
+
+                    {showDelete && onDelete && (
+                      <button
+                        type="button"
+                        onClick={(e) => {
+                          e.stopPropagation();
+                          onDelete(
+                            typeof option === 'string'
+                              ? option
+                              : ((optObj?.id as string) ?? ''),
+                          );
+                        }}
+                        className={`hover:bg-accent mr-1 rounded p-1 ${
+                          typeof showDelete === 'function' &&
+                          !showDelete(option)
+                            ? 'hidden'
+                            : ''
+                        } ${optObj?.type === 'public' ? 'pointer-events-none opacity-30' : ''}`}
+                      >
+                        <Trash2 className="text-muted-foreground h-3.5 w-3.5" />
+                      </button>
+                    )}
+                  </div>
+                );
+              })
+            )}
+          </div>
         </div>
       )}
     </div>
diff --git a/frontend/src/components/DropdownMenu.tsx b/frontend/src/components/DropdownMenu.tsx
index 57e84eaa..a10e4f57 100644
--- a/frontend/src/components/DropdownMenu.tsx
+++ b/frontend/src/components/DropdownMenu.tsx
@@ -88,7 +88,7 @@ export default function DropdownMenu({
       onClick={(e) => e.stopPropagation()}
     >
       <div
-        className={`ring-opacity-5 dark:bg-dark-charcoal w-28 transform rounded-md bg-white shadow-lg ring-1 ring-black transition-all duration-200 ease-in-out ${className}`}
+        className={`border-border bg-card w-28 transform rounded-md border shadow-lg transition-all duration-200 ease-in-out ${className}`}
       >
         <div
           role="menu"
@@ -99,10 +99,8 @@ export default function DropdownMenu({
           {options.map((option, idx) => (
             <div
               id={`option-${idx}`}
-              className={`dark:text-light-gray dark:hover:bg-purple-taupe cursor-pointer px-4 py-2 text-xs hover:bg-gray-100 ${
-                selectedOption.value === option.value
-                  ? 'dark:bg-purple-taupe bg-gray-100'
-                  : 'dark:bg-dark-charcoal bg-white'
+              className={`dark:text-foreground hover:bg-muted cursor-pointer px-4 py-2 text-xs ${
+                selectedOption.value === option.value ? 'bg-muted' : 'bg-card'
               }`}
               role="menuitem"
               key={option.value}
diff --git a/frontend/src/components/DropdownModel.tsx b/frontend/src/components/DropdownModel.tsx
index 8caeb736..75713c09 100644
--- a/frontend/src/components/DropdownModel.tsx
+++ b/frontend/src/components/DropdownModel.tsx
@@ -80,15 +80,15 @@ export default function DropdownModel() {
   return (
     <div ref={dropdownRef}>
       <div
-        className={`bg-gray-1000 dark:bg-dark-charcoal mx-auto flex w-full cursor-pointer justify-between p-1 dark:text-white ${isOpen ? 'rounded-t-3xl' : 'rounded-3xl'}`}
+        className={`text-foreground bg-muted dark:bg-card mx-auto flex w-full cursor-pointer items-center justify-between px-3 py-4 ${isOpen ? 'rounded-t-4xl' : 'rounded-4xl'}`}
         onClick={() => setIsOpen(!isOpen)}
       >
         {selectedModel?.display_name ? (
-          <p className="mx-4 my-3 truncate overflow-hidden whitespace-nowrap">
+          <p className="ml-3 truncate overflow-hidden whitespace-nowrap">
             {selectedModel.display_name}
           </p>
         ) : (
-          <p className="mx-4 my-3 truncate overflow-hidden whitespace-nowrap">
+          <p className="text-muted-foreground truncate overflow-hidden whitespace-nowrap">
             Select Model
           </p>
         )}
@@ -101,7 +101,7 @@ export default function DropdownModel() {
         />
       </div>
       {isOpen && (
-        <div className="no-scrollbar dark:bg-dark-charcoal absolute right-0 left-0 z-20 -mt-1 max-h-52 w-full overflow-y-auto rounded-b-3xl bg-white shadow-md">
+        <div className="no-scrollbar bg-muted dark:bg-card absolute right-0 left-0 z-20 -mt-1 max-h-52 w-full overflow-y-auto rounded-b-3xl shadow-md">
           {availableModels && (availableModels?.length ?? 0) > 0 ? (
             availableModels.map((model: Model) => (
               <div
@@ -110,7 +110,7 @@ export default function DropdownModel() {
                   dispatch(setSelectedModel(model));
                   setIsOpen(false);
                 }}
-                className={`border-gray-3000/75 dark:border-purple-taupe/50 hover:bg-gray-3000/75 dark:hover:bg-purple-taupe flex h-10 w-full cursor-pointer items-center justify-between border-t`}
+                className={`border-border/30 hover:bg-accent flex h-10 w-full cursor-pointer items-center justify-between border-t`}
               >
                 <div className="flex w-full items-center justify-between">
                   <p className="flex-1 truncate py-3 pr-2 pl-5">
@@ -127,8 +127,10 @@ export default function DropdownModel() {
               </div>
             ))
           ) : (
-            <div className="h-10 w-full border-x-2 border-b-2">
-              <p className="ml-5 py-3 text-gray-500">No models available</p>
+            <div className="border-border/30 flex h-10 w-full items-center border-t">
+              <p className="text-muted-foreground pl-5 text-sm">
+                No models available
+              </p>
             </div>
           )}
         </div>
diff --git a/frontend/src/components/FilePicker.tsx b/frontend/src/components/FilePicker.tsx
index 36b484f4..c096a469 100644
--- a/frontend/src/components/FilePicker.tsx
+++ b/frontend/src/components/FilePicker.tsx
@@ -93,9 +93,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
   const [isConnected, setIsConnected] = useState(false);
   const [userEmail, setUserEmail] = useState<string>('');
   const [allowsSharedContent, setAllowsSharedContent] = useState(false);
-  const [activeTab, setActiveTab] = useState<'my_files' | 'shared'>(
-    'my_files',
-  );
+  const [activeTab, setActiveTab] = useState<'my_files' | 'shared'>('my_files');
 
   const scrollContainerRef = useRef<HTMLDivElement>(null);
   const searchTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
@@ -214,9 +212,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
         setIsConnected(true);
         setAuthError('');
         if (provider === 'share_point') {
-          setAllowsSharedContent(
-            validateData.allows_shared_content ?? false,
-          );
+          setAllowsSharedContent(validateData.allows_shared_content ?? false);
         }
 
         setFiles([]);
@@ -369,9 +365,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       {
         id: null,
         name:
-          tab === 'shared'
-            ? 'Shared'
-            : getProviderConfig(provider).rootName,
+          tab === 'shared' ? 'Shared' : getProviderConfig(provider).rootName,
       },
     ]);
     const sessionToken = getSessionToken(provider);
@@ -380,8 +374,6 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
     }
   };
 
-
-
   const handleFileSelect = (fileId: string, isFolder: boolean) => {
     if (isFolder) {
       const newSelectedFolders = selectedFolders.includes(fileId)
@@ -459,10 +451,10 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       />
 
       {isConnected && (
-        <div className="mt-3 overflow-hidden rounded-lg border border-[#D7D7D7] dark:border-[#6A6A6A]">
-          <div className="rounded-t-lg border-[#EEE6FF78] dark:border-[#6A6A6A]">
+        <div className="border-border dark:border-border mt-3 overflow-hidden rounded-lg border">
+          <div className="border-border dark:border-border rounded-t-lg">
             {provider === 'share_point' && allowsSharedContent && (
-              <div className="flex border-b border-[#D7D7D7] dark:border-[#6A6A6A]">
+              <div className="border-border dark:border-border flex border-b">
                 <button
                   onClick={() => handleTabChange('my_files')}
                   className={`px-4 py-2 text-sm font-medium ${
@@ -485,7 +477,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                 </button>
               </div>
             )}
-            <div className="rounded-t-lg bg-[#EEE6FF78] px-4 pt-4 dark:bg-[#2A262E]">
+            <div className="dark:bg-muted rounded-t-lg bg-[#EEE6FF78] px-4 pt-4">
               <div className="mb-2 flex items-center gap-1">
                 {folderPath.map((path, index) => (
                   <div
@@ -516,7 +508,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                   onChange={(e) => handleSearchChange(e.target.value)}
                   colorVariant="silver"
                   borderVariant="thin"
-                  labelBgClassName="bg-[#EEE6FF78] dark:bg-[#2A262E]"
+                  labelBgClassName="bg-[#EEE6FF78] dark:bg-muted"
                   leftIcon={
                     <img src={SearchIcon} alt="Search" width={16} height={16} />
                   }
@@ -531,7 +523,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
               </div>
             </div>
 
-            <div className="h-72 border-t border-[#D7D7D7] dark:border-[#6A6A6A]">
+            <div className="border-border dark:border-border h-72 border-t">
               <TableContainer
                 ref={scrollContainerRef}
                 height="288px"
@@ -586,7 +578,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                               >
                                 <TableCell width="40px" align="center">
                                   <div
-                                    className="mx-auto flex h-5 w-5 shrink-0 cursor-pointer items-center justify-center border border-[#EEE6FF78] p-[0.5px] text-sm dark:border-[#6A6A6A]"
+                                    className="border-border dark:border-border mx-auto flex h-5 w-5 shrink-0 cursor-pointer items-center justify-center border p-[0.5px] text-sm"
                                     onClick={(e) => {
                                       e.stopPropagation();
                                       handleFileSelect(file.id, isFolder(file));
@@ -615,7 +607,9 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                                         className="h-6 w-6"
                                       />
                                     </div>
-                                    <span className="truncate">{file.name}</span>
+                                    <span className="truncate">
+                                      {file.name}
+                                    </span>
                                   </div>
                                 </TableCell>
                                 <TableCell className="text-xs">
@@ -626,7 +620,8 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                                 </TableCell>
                               </TableRow>
                             ))}
-                        {isLoading && files.length > 0 &&
+                        {isLoading &&
+                          files.length > 0 &&
                           Array.from({ length: 3 }).map((_, i) => (
                             <TableRow key={`load-more-skeleton-${i}`}>
                               <TableCell width="40px" align="center">
diff --git a/frontend/src/components/FileSelectionSkeleton.tsx b/frontend/src/components/FileSelectionSkeleton.tsx
index 1aa45769..7bdc3d01 100644
--- a/frontend/src/components/FileSelectionSkeleton.tsx
+++ b/frontend/src/components/FileSelectionSkeleton.tsx
@@ -1,5 +1,5 @@
 const FilesSectionSkeleton = () => (
-  <div className="rounded-lg border border-[#EEE6FF78] dark:border-[#6A6A6A]">
+  <div className="border-border dark:border-border rounded-lg border">
     <div className="p-4">
       <div className="mb-4 flex items-center justify-between">
         <div className="h-5 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
diff --git a/frontend/src/components/FileTree.tsx b/frontend/src/components/FileTree.tsx
index f150d804..503ab6fc 100644
--- a/frontend/src/components/FileTree.tsx
+++ b/frontend/src/components/FileTree.tsx
@@ -450,7 +450,7 @@ const FileTree: React.FC<FileTreeProps> = ({
         {/* Left side with path navigation */}
         <div className="flex w-full items-center sm:w-auto">
           <button
-            className="mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+            className="mr-3 flex h-[29px] w-[29px] items-center justify-center rounded-full border p-2 text-sm font-medium text-gray-400 dark:border-0 dark:text-gray-500"
             onClick={handleBackNavigation}
           >
             <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
@@ -503,7 +503,7 @@ const FileTree: React.FC<FileTreeProps> = ({
           {!processingRef.current && (
             <button
               onClick={handleAddFile}
-              className="bg-purple-30 hover:bg-violets-are-blue flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-nowrap text-white"
+              className="bg-primary hover:bg-primary/90 flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] font-medium whitespace-nowrap text-white"
               title={t('settings.sources.addFile')}
             >
               {t('settings.sources.addFile')}
@@ -599,7 +599,7 @@ const FileTree: React.FC<FileTreeProps> = ({
               <div ref={menuRef} className="relative">
                 <button
                   onClick={(e) => handleMenuClick(e, itemId)}
-                  className="inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB] dark:hover:bg-[#26272E]"
+                  className="dark:hover:bg-muted inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB]"
                   aria-label={t('settings.sources.menuAlt')}
                 >
                   <img
@@ -656,7 +656,7 @@ const FileTree: React.FC<FileTreeProps> = ({
               <div ref={menuRef} className="relative">
                 <button
                   onClick={(e) => handleMenuClick(e, itemId)}
-                  className="inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB] dark:hover:bg-[#26272E]"
+                  className="dark:hover:bg-muted inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md font-medium transition-colors hover:bg-[#EBEBEB]"
                   aria-label={t('settings.sources.menuAlt')}
                 >
                   <img
@@ -754,11 +754,11 @@ const FileTree: React.FC<FileTreeProps> = ({
             }
           }}
           placeholder={t('settings.sources.searchFiles')}
-          className={`h-[38px] w-full border border-[#D1D9E0] px-4 py-2 dark:border-[#6A6A6A] ${searchQuery ? 'rounded-t-[24px]' : 'rounded-[24px]'} bg-transparent focus:outline-none dark:text-[#E0E0E0]`}
+          className={`border-border dark:border-border h-[38px] w-full border px-4 py-2 ${searchQuery ? 'rounded-t-[24px]' : 'rounded-[24px]'} bg-transparent focus:outline-none`}
         />
 
         {searchQuery && (
-          <div className="absolute top-full right-0 left-0 z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-[12px] border border-t-0 border-[#D1D9E0] bg-white shadow-lg transition-all duration-200 dark:border-[#6A6A6A] dark:bg-[#1F2023]">
+          <div className="border-border bg-card dark:border-border dark:bg-card absolute top-full right-0 left-0 z-10 max-h-[calc(100vh-200px)] w-full overflow-hidden rounded-b-[12px] border border-t-0 shadow-lg transition-all duration-200">
             <div className="max-h-[calc(100vh-200px)] overflow-x-hidden overflow-y-auto overscroll-contain">
               {searchResults.length === 0 ? (
                 <div className="py-2 text-center text-sm text-gray-500 dark:text-gray-400">
@@ -770,9 +770,9 @@ const FileTree: React.FC<FileTreeProps> = ({
                     key={index}
                     onClick={() => handleSearchSelect(result)}
                     title={result.path}
-                    className={`flex min-w-0 cursor-pointer items-center px-3 py-2 hover:bg-[#ECEEEF] dark:hover:bg-[#27282D] ${
+                    className={`hover:bg-muted dark:hover:bg-muted flex min-w-0 cursor-pointer items-center px-3 py-2 ${
                       index !== searchResults.length - 1
-                        ? 'border-b border-[#D1D9E0] dark:border-[#6A6A6A]'
+                        ? 'border-border dark:border-border border-b'
                         : ''
                     }`}
                   >
@@ -785,7 +785,7 @@ const FileTree: React.FC<FileTreeProps> = ({
                       }
                       className="mr-2 h-4 w-4 flex-shrink-0"
                     />
-                    <span className="flex-1 truncate text-sm dark:text-[#E0E0E0]">
+                    <span className="flex-1 truncate text-sm">
                       {result.name}
                     </span>
                   </div>
diff --git a/frontend/src/components/FileUpload.tsx b/frontend/src/components/FileUpload.tsx
index cc9dcb26..fb4ad9b6 100644
--- a/frontend/src/components/FileUpload.tsx
+++ b/frontend/src/components/FileUpload.tsx
@@ -41,7 +41,7 @@ export const FileUpload = ({
   showPreview = false,
   previewSize = 80,
   children,
-  className = 'border-2 border-dashed rounded-3xl p-6 text-center cursor-pointer transition-colors border-silver dark:border-[#7E7E7E]',
+  className = 'border-2 border-dashed rounded-3xl p-6 text-center cursor-pointer transition-colors border-border dark:border-border',
   activeClassName = 'border-blue-500 bg-blue-50',
   acceptClassName = 'border-green-500 dark:border-green-500 bg-green-50 dark:bg-green-50/10',
   rejectClassName = 'border-red-500 bg-red-50 dark:bg-red-500/10 dark:border-red-500',
@@ -133,7 +133,7 @@ export const FileUpload = ({
   });
 
   const currentClassName = twMerge(
-    'border-2 border-dashed rounded-3xl p-8 text-center cursor-pointer transition-colors border-silver dark:border-[#7E7E7E]',
+    'border-2 border-dashed rounded-3xl p-8 text-center cursor-pointer transition-colors border-border dark:border-border',
     className,
     isDragActive && activeClassName,
     isDragAccept && acceptClassName,
diff --git a/frontend/src/components/GoogleDrivePicker.tsx b/frontend/src/components/GoogleDrivePicker.tsx
index bb3d240b..bc37ed2a 100644
--- a/frontend/src/components/GoogleDrivePicker.tsx
+++ b/frontend/src/components/GoogleDrivePicker.tsx
@@ -262,7 +262,7 @@ const GoogleDrivePicker: React.FC<GoogleDrivePickerProps> = ({
           />
 
           {isConnected && (
-            <div className="rounded-lg border border-[#EEE6FF78] dark:border-[#6A6A6A]">
+            <div className="border-border dark:border-border rounded-lg border">
               <div className="p-4">
                 <div className="mb-4 flex items-center justify-between">
                   <h3 className="text-sm font-medium">
diff --git a/frontend/src/components/Help.tsx b/frontend/src/components/Help.tsx
index 896bd2ec..c1596205 100644
--- a/frontend/src/components/Help.tsx
+++ b/frontend/src/components/Help.tsx
@@ -36,20 +36,20 @@ const Help = () => {
       <button
         ref={buttonRef}
         onClick={toggleDropdown}
-        className="mx-4 my-auto flex h-9 w-full items-center gap-4 rounded-3xl hover:bg-gray-100 dark:hover:bg-[#28292E]"
+        className="hover:bg-sidebar-accent mx-4 my-auto flex h-9 w-full items-center gap-4 rounded-3xl"
       >
         <img src={Info} alt="info" className="ml-2 w-5 filter dark:invert" />
         {t('help')}
       </button>
       {isOpen && (
         <div
-          className={`dark:bg-outer-space absolute z-10 w-48 translate-x-4 -translate-y-28 rounded-xl bg-white shadow-lg`}
+          className={`dark:bg-card bg-card absolute z-10 w-48 translate-x-4 -translate-y-28 rounded-xl shadow-lg`}
         >
           <a
             href="https://docs.docsgpt.cloud/"
             target="_blank"
             rel="noopener noreferrer"
-            className="hover:bg-bright-gray flex items-start gap-4 rounded-t-xl px-4 py-2 text-black dark:text-white dark:hover:bg-[#545561]"
+            className="hover:bg-muted text-foreground flex items-start gap-4 rounded-t-xl px-4 py-2"
           >
             <img
               src={PageIcon}
@@ -61,7 +61,7 @@ const Help = () => {
           </a>
           <a
             href="mailto:support@docsgpt.cloud"
-            className="hover:bg-bright-gray flex items-start gap-4 rounded-b-xl px-4 py-2 text-black dark:text-white dark:hover:bg-[#545561]"
+            className="hover:bg-muted text-foreground flex items-start gap-4 rounded-b-xl px-4 py-2"
           >
             <img
               src={EmailIcon}
diff --git a/frontend/src/components/Input.tsx b/frontend/src/components/Input.tsx
index 805f2762..9008653b 100644
--- a/frontend/src/components/Input.tsx
+++ b/frontend/src/components/Input.tsx
@@ -15,7 +15,7 @@ const Input = ({
   borderVariant = 'thick',
   textSize = 'medium',
   children,
-  labelBgClassName = 'bg-white dark:bg-raisin-black',
+  labelBgClassName = 'bg-card',
   leftIcon,
   onChange,
   onPaste,
@@ -23,9 +23,9 @@ const Input = ({
   edgeRoundness = 'rounded-full',
 }: InputProps) => {
   const colorStyles = {
-    silver: 'border-silver dark:border-silver/40',
+    silver: 'border-border dark:border-border',
     jet: 'border-jet',
-    gray: 'border-gray-5000 dark:text-silver',
+    gray: 'border-gray-5000 dark:text-muted-foreground',
   };
   const borderStyles = {
     thin: 'border',
@@ -44,7 +44,7 @@ const Input = ({
     <div className={`relative ${className}`}>
       <input
         ref={inputRef}
-        className={`peer text-jet dark:text-bright-gray h-[42px] w-full ${edgeRoundness} bg-transparent ${leftIcon ? 'pl-10' : 'px-3'} py-1 placeholder-transparent outline-hidden ${colorStyles[colorVariant]} ${borderStyles[borderVariant]} ${textSizeStyles[textSize]} [&:-webkit-autofill]:appearance-none [&:-webkit-autofill]:bg-transparent [&:-webkit-autofill_selected]:bg-transparent`}
+        className={`peer text-foreground dark:text-foreground h-[42px] w-full ${edgeRoundness} bg-transparent ${leftIcon ? 'pl-10' : 'px-3'} py-1 placeholder-transparent outline-hidden ${colorStyles[colorVariant]} ${borderStyles[borderVariant]} ${textSizeStyles[textSize]} [&:-webkit-autofill]:appearance-none [&:-webkit-autofill]:bg-transparent [&:-webkit-autofill_selected]:bg-transparent`}
         type={type}
         id={id}
         name={name}
@@ -75,11 +75,11 @@ const Input = ({
               : 'peer-placeholder-shown:left-3'
           } peer-placeholder-shown:${
             textSizeStyles[textSize]
-          } text-gray-4000 pointer-events-none cursor-none peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs dark:text-gray-400 ${labelBgClassName} max-w-[calc(100%-24px)] overflow-hidden text-ellipsis whitespace-nowrap`}
+          } text-muted-foreground pointer-events-none cursor-none peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs ${labelBgClassName} max-w-[calc(100%-24px)] overflow-hidden text-ellipsis whitespace-nowrap`}
         >
           {placeholder}
           {required && (
-            <span className="ml-0.5 text-[#D30000] dark:text-[#D42626]">*</span>
+            <span className="ml-0.5 text-[#D30000] dark:text-red-500">*</span>
           )}
         </label>
       )}
diff --git a/frontend/src/components/MermaidRenderer.tsx b/frontend/src/components/MermaidRenderer.tsx
index 3e8c2eb8..7dc93c49 100644
--- a/frontend/src/components/MermaidRenderer.tsx
+++ b/frontend/src/components/MermaidRenderer.tsx
@@ -1,16 +1,17 @@
+import mermaid from 'mermaid';
 import React, { useEffect, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
-import mermaid from 'mermaid';
-import CopyButton from './CopyButton';
+import { useSelector } from 'react-redux';
 import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
 import {
   oneLight,
   vscDarkPlus,
 } from 'react-syntax-highlighter/dist/cjs/styles/prism';
-import { MermaidRendererProps } from './types';
-import { useSelector } from 'react-redux';
+
 import { selectStatus } from '../conversation/conversationSlice';
 import { useDarkTheme } from '../hooks';
+import CopyButton from './CopyButton';
+import { MermaidRendererProps } from './types';
 
 const MermaidRenderer: React.FC<MermaidRendererProps> = ({
   code,
@@ -262,9 +263,9 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
   const errorRender = !isCurrentlyLoading && error;
 
   return (
-    <div className="w-inherit group border-light-silver dark:border-raisin-black dark:bg-eerie-black relative rounded-lg border bg-white">
-      <div className="bg-platinum dark:bg-eerie-black-2 flex items-center justify-between px-2 py-1">
-        <span className="text-just-black dark:text-chinese-white text-xs font-medium">
+    <div className="w-inherit group border-border bg-card relative rounded-lg border">
+      <div className="bg-platinum flex items-center justify-between px-2 py-1">
+        <span className="text-foreground dark:text-foreground text-xs font-medium">
           mermaid
         </span>
         <div className="flex items-center gap-2">
@@ -280,7 +281,7 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
                 Download <span className="ml-1">▼</span>
               </button>
               {showDownloadMenu && (
-                <div className="absolute right-0 z-10 mt-1 w-40 rounded-sm border border-gray-200 bg-white shadow-lg dark:border-gray-700 dark:bg-gray-800">
+                <div className="border-border bg-card absolute right-0 z-10 mt-1 w-40 rounded-sm border shadow-lg">
                   <ul>
                     {downloadOptions.map((option, index) => (
                       <li key={index}>
@@ -289,7 +290,7 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
                             option.action();
                             setShowDownloadMenu(false);
                           }}
-                          className="w-full px-4 py-2 text-left text-xs hover:bg-gray-100 dark:hover:bg-gray-700"
+                          className="hover:bg-muted w-full px-4 py-2 text-left text-xs"
                         >
                           {option.label}
                         </button>
@@ -318,14 +319,14 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
       </div>
 
       {isCurrentlyLoading ? (
-        <div className="dark:bg-eerie-black flex items-center justify-center bg-white p-4">
+        <div className="bg-card flex items-center justify-center p-4">
           <div className="text-sm text-gray-500 dark:text-gray-400">
             Loading diagram...
           </div>
         </div>
       ) : errorRender ? (
         <div className="m-2 rounded-sm border-2 border-red-400 dark:border-red-700">
-          <div className="overflow-auto bg-red-100 px-4 py-2 text-sm break-words whitespace-normal text-red-800 dark:bg-red-900/30 dark:text-red-300">
+          <div className="overflow-auto bg-red-100 px-4 py-2 text-sm wrap-break-word whitespace-normal text-red-800 dark:bg-red-900/30 dark:text-red-300">
             {error}
           </div>
         </div>
@@ -333,7 +334,7 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
         <>
           <div
             ref={containerRef}
-            className="no-scrollbar dark:bg-eerie-black relative block w-full bg-white p-4"
+            className="no-scrollbar bg-card relative block w-full p-4"
             style={{
               overflow: 'auto',
               scrollbarWidth: 'none',
@@ -399,9 +400,9 @@ const MermaidRenderer: React.FC<MermaidRendererProps> = ({
           </div>
 
           {showCode && (
-            <div className="border-light-silver dark:border-raisin-black border-t">
-              <div className="bg-platinum dark:bg-eerie-black-2 p-2">
-                <span className="text-just-black dark:text-chinese-white text-xs font-medium">
+            <div className="border-border border-t">
+              <div className="bg-platinum p-2">
+                <span className="text-foreground dark:text-foreground text-xs font-medium">
                   Mermaid Code
                 </span>
               </div>
diff --git a/frontend/src/components/MessageInput.tsx b/frontend/src/components/MessageInput.tsx
index 282c9eb7..42576198 100644
--- a/frontend/src/components/MessageInput.tsx
+++ b/frontend/src/components/MessageInput.tsx
@@ -1438,7 +1438,7 @@ export default function MessageInput({
         onChange={handleVoiceFileAttachment}
       />
 
-      <div className="border-dark-gray bg-lotion dark:border-grey relative flex w-full flex-col rounded-[23px] border dark:bg-transparent">
+      <div className="border-border bg-card relative flex w-full flex-col rounded-[23px] border dark:bg-transparent">
         <div className="flex flex-wrap gap-1.5 px-2 py-2 sm:gap-2 sm:px-3">
           {attachments.map((attachment) => {
             return (
@@ -1448,7 +1448,7 @@ export default function MessageInput({
                 onDragStart={(e) => handleDragStart(e, attachment.id)}
                 onDragOver={handleDragOver}
                 onDrop={(e) => handleDropOn(e, attachment.id)}
-                className={`group dark:text-bright-gray relative flex items-center rounded-xl bg-[#EFF3F4] px-2 py-1 text-[12px] text-[#5D5D5D] sm:px-3 sm:py-1.5 sm:text-[14px] dark:bg-[#393B3D] ${
+                className={`group dark:text-foreground bg-muted text-muted-foreground dark:bg-accent relative flex items-center rounded-xl px-2 py-1 text-[12px] sm:px-3 sm:py-1.5 sm:text-[14px] ${
                   attachment.status !== 'completed'
                     ? 'opacity-70'
                     : 'opacity-100'
@@ -1459,7 +1459,7 @@ export default function MessageInput({
                 }`}
                 title={attachment.fileName}
               >
-                <div className="bg-purple-30 mr-2 flex h-8 w-8 items-center justify-center rounded-md p-1">
+                <div className="bg-primary mr-2 flex h-8 w-8 items-center justify-center rounded-md p-1">
                   {attachment.status === 'completed' && (
                     <img
                       src={DocumentationDark}
@@ -1551,7 +1551,7 @@ export default function MessageInput({
             }
             tabIndex={1}
             placeholder={t('inputPlaceholder')}
-            className="inputbox-style no-scrollbar bg-lotion dark:text-bright-gray dark:placeholder:text-bright-gray/50 w-full overflow-x-hidden overflow-y-auto rounded-t-[23px] px-2 text-base leading-tight whitespace-pre-wrap opacity-100 placeholder:text-gray-500 focus:outline-hidden sm:px-3 dark:bg-transparent"
+            className="inputbox-style no-scrollbar dark:text-foreground dark:placeholder:text-muted-foreground/50 w-full overflow-x-hidden overflow-y-auto rounded-t-[23px] bg-transparent px-2 text-base leading-tight whitespace-pre-wrap opacity-100 placeholder:text-gray-500 focus:outline-hidden sm:px-3"
             onInput={handleInput}
             onKeyDown={handleKeyDown}
             onPaste={handlePaste}
@@ -1564,7 +1564,7 @@ export default function MessageInput({
             {showSourceButton && (
               <button
                 ref={sourceButtonRef}
-                className="xs:px-3 xs:py-1.5 dark:border-purple-taupe flex max-w-[130px] items-center rounded-[32px] border border-[#AAAAAA] px-2 py-1 transition-colors hover:bg-gray-100 sm:max-w-[150px] dark:hover:bg-[#2C2E3C]"
+                className="xs:px-3 xs:py-1.5 dark:border-border border-border hover:bg-accent dark:hover:bg-muted flex max-w-[130px] items-center rounded-[32px] border px-2 py-1 transition-colors sm:max-w-[150px]"
                 onClick={() => setIsSourcesPopupOpen(!isSourcesPopupOpen)}
                 title={
                   selectedDocs && selectedDocs.length > 0
@@ -1577,7 +1577,7 @@ export default function MessageInput({
                   alt="Sources"
                   className="mr-1 h-3.5 w-3.5 shrink-0 sm:mr-1.5 sm:h-4"
                 />
-                <span className="xs:text-[12px] dark:text-bright-gray truncate overflow-hidden text-[10px] font-medium text-[#5D5D5D] sm:text-[14px]">
+                <span className="xs:text-[12px] dark:text-foreground text-muted-foreground truncate overflow-hidden text-[10px] font-medium sm:text-[14px]">
                   {selectedDocs && selectedDocs.length > 0
                     ? selectedDocs.length === 1
                       ? selectedDocs[0].name
@@ -1595,7 +1595,7 @@ export default function MessageInput({
             {showToolButton && (
               <button
                 ref={toolButtonRef}
-                className="xs:px-3 xs:py-1.5 xs:max-w-[150px] dark:border-purple-taupe flex max-w-[130px] items-center rounded-[32px] border border-[#AAAAAA] px-2 py-1 transition-colors hover:bg-gray-100 dark:hover:bg-[#2C2E3C]"
+                className="xs:px-3 xs:py-1.5 xs:max-w-[150px] dark:border-border border-border hover:bg-muted dark:hover:bg-muted flex max-w-[130px] items-center rounded-[32px] border px-2 py-1 transition-colors"
                 onClick={() => setIsToolsPopupOpen(!isToolsPopupOpen)}
               >
                 <img
@@ -1603,7 +1603,7 @@ export default function MessageInput({
                   alt="Tools"
                   className="mr-1 h-3.5 w-3.5 shrink-0 sm:mr-1.5 sm:h-4 sm:w-4"
                 />
-                <span className="xs:text-[12px] dark:text-bright-gray truncate overflow-hidden text-[10px] font-medium text-[#5D5D5D] sm:text-[14px]">
+                <span className="xs:text-[12px] dark:text-foreground text-muted-foreground truncate overflow-hidden text-[10px] font-medium sm:text-[14px]">
                   {t('settings.tools.label')}
                 </span>
               </button>
@@ -1620,7 +1620,7 @@ export default function MessageInput({
                 className={`xs:px-3 xs:py-1.5 dark:border-purple-taupe flex items-center rounded-[32px] border px-2 py-1 transition-colors ${
                   recordingState === 'recording'
                     ? 'border-[#B42318] bg-[#FEE4E2] text-[#B42318] dark:bg-[#4A2323]'
-                    : 'border-[#AAAAAA] hover:bg-gray-100 dark:hover:bg-[#2C2E3C]'
+                    : 'border-border dark:hover:bg-accent hover:bg-gray-100'
                 } ${
                   loading || recordingState === 'transcribing'
                     ? 'cursor-not-allowed opacity-60'
@@ -1645,13 +1645,13 @@ export default function MessageInput({
                 </span>
               </button>
             )}
-            <label className="xs:px-3 xs:py-1.5 dark:border-purple-taupe flex cursor-pointer items-center rounded-[32px] border border-[#AAAAAA] px-2 py-1 transition-colors hover:bg-gray-100 dark:hover:bg-[#2C2E3C]">
+            <label className="xs:px-3 xs:py-1.5 dark:border-border border-border hover:bg-muted dark:hover:bg-muted flex cursor-pointer items-center rounded-[32px] border px-2 py-1 transition-colors">
               <img
                 src={ClipIcon}
                 alt="Attach"
                 className="mr-1 h-3.5 w-3.5 sm:mr-1.5 sm:h-4 sm:w-4"
               />
-              <span className="xs:text-[12px] dark:text-bright-gray text-[10px] font-medium text-[#5D5D5D] sm:text-[14px]">
+              <span className="xs:text-[12px] dark:text-foreground text-muted-foreground text-[10px] font-medium sm:text-[14px]">
                 {t('conversation.attachments.attach')}
               </span>
               <input
@@ -1669,7 +1669,7 @@ export default function MessageInput({
             <button
               onClick={handleCancel}
               aria-label={t('cancel')}
-              className={`ml-auto flex h-7 w-7 shrink-0 items-center justify-center rounded-full bg-[#7F54D6] text-white sm:h-9 sm:w-9`}
+              className={`bg-primary ml-auto flex h-7 w-7 shrink-0 items-center justify-center rounded-full text-white sm:h-9 sm:w-9`}
               disabled={!loading}
             >
               <div className="flex h-3 w-3 items-center justify-center rounded-[3px] bg-white sm:h-3.5 sm:w-3.5" />
@@ -1683,8 +1683,8 @@ export default function MessageInput({
                 !loading &&
                 recordingState !== 'recording' &&
                 recordingState !== 'transcribing'
-                  ? 'bg-purple-30 text-white'
-                  : 'bg-[#EDEDED] text-[#959595] dark:bg-[#37383D] dark:text-[#77787D]'
+                  ? 'bg-primary text-white'
+                  : 'bg-muted text-muted-foreground dark:bg-accent dark:text-muted-foreground'
               }`}
               disabled={
                 !value.trim() ||
@@ -1729,12 +1729,12 @@ export default function MessageInput({
 
       {handleDragActive &&
         createPortal(
-          <div className="dark:bg-gray-alpha/50 pointer-events-none fixed top-0 left-0 z-50 flex size-full flex-col items-center justify-center bg-white/85">
+          <div className="dark:bg-background/85 pointer-events-none fixed top-0 left-0 z-50 flex size-full flex-col items-center justify-center bg-white/85">
             <img className="filter dark:invert" src={DragFileUpload} />
-            <span className="text-outer-space dark:text-silver px-2 text-2xl font-bold">
+            <span className="text-muted-foreground dark:text-muted-foreground px-2 text-2xl font-bold">
               {t('modals.uploadDoc.drag.title')}
             </span>
-            <span className="text-s text-outer-space dark:text-silver w-48 p-2 text-center">
+            <span className="text-s text-muted-foreground dark:text-muted-foreground w-48 p-2 text-center">
               {t('modals.uploadDoc.drag.description')}
             </span>
           </div>,
diff --git a/frontend/src/components/MultiSelectPopup.tsx b/frontend/src/components/MultiSelectPopup.tsx
index 2fbd307e..7c19429e 100644
--- a/frontend/src/components/MultiSelectPopup.tsx
+++ b/frontend/src/components/MultiSelectPopup.tsx
@@ -168,7 +168,7 @@ export default function MultiSelectPopup({
   return (
     <div
       ref={popupRef}
-      className="border-light-silver bg-lotion dark:border-dim-gray dark:bg-charleston-green-2 fixed z-9999 flex flex-col rounded-lg border shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
+      className="border-border bg-background dark:border-border dark:bg-card fixed z-9999 flex flex-col rounded-lg border shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
       style={{
         top: popupPosition.showAbove ? undefined : popupPosition.top,
         bottom: popupPosition.showAbove
@@ -198,7 +198,7 @@ export default function MultiSelectPopup({
                 searchPlaceholder ||
                 t('settings.tools.searchPlaceholder', 'Search...')
               }
-              labelBgClassName="bg-lotion dark:bg-charleston-green-2"
+              labelBgClassName="bg-background dark:bg-card"
               borderVariant="thin"
               className="mb-4"
               textSize="small"
@@ -206,13 +206,13 @@ export default function MultiSelectPopup({
           )}
         </div>
       )}
-      <div className="dark:border-dim-gray mx-4 mb-4 grow overflow-auto rounded-md border border-[#D9D9D9]">
+      <div className="dark:border-border mx-4 mb-4 grow overflow-auto rounded-md border border-[#D9D9D9]">
         {loading ? (
           <div className="flex h-full items-center justify-center py-4">
             <div className="h-6 w-6 animate-spin rounded-full border-b-2 border-gray-900 dark:border-white"></div>
           </div>
         ) : (
-          <div className="h-full overflow-y-auto scrollbar-overlay">
+          <div className="scrollbar-overlay h-full overflow-y-auto">
             {filteredOptions.length === 0 ? (
               <div className="flex h-full flex-col items-center justify-center px-4 py-8 text-center">
                 <img
@@ -233,7 +233,7 @@ export default function MultiSelectPopup({
                   <div
                     key={option.id}
                     onClick={() => handleOptionClick(option.id)}
-                    className="dark:border-dim-gray dark:hover:bg-charleston-green-3 flex cursor-pointer items-center justify-between border-b border-[#D9D9D9] p-3 last:border-b-0 hover:bg-gray-100"
+                    className="dark:border-border dark:hover:bg-accent hover:bg-accent flex cursor-pointer items-center justify-between border-b border-[#D9D9D9] p-3 last:border-b-0"
                     role="option"
                     aria-selected={isSelected}
                   >
@@ -248,7 +248,7 @@ export default function MultiSelectPopup({
                     </div>
                     <div className="shrink-0">
                       <div
-                        className={`dark:bg-charleston-green-2 flex h-4 w-4 items-center justify-center rounded-xs border-2 border-[#C6C6C6] bg-white dark:border-[#757783]`}
+                        className={`border-border bg-card flex h-4 w-4 items-center justify-center rounded-xs border-2`}
                         aria-hidden="true"
                       >
                         {isSelected && (
@@ -269,7 +269,7 @@ export default function MultiSelectPopup({
         )}
       </div>
       {footerContent && (
-        <div className="border-light-silver dark:border-dim-gray shrink-0 border-t p-4">
+        <div className="border-border dark:border-border shrink-0 border-t p-4">
           {footerContent}
         </div>
       )}
diff --git a/frontend/src/components/Notification.tsx b/frontend/src/components/Notification.tsx
index 0d188989..bda2bed7 100644
--- a/frontend/src/components/Notification.tsx
+++ b/frontend/src/components/Notification.tsx
@@ -87,7 +87,7 @@ export default function Notification({
           ))}
         </div>
 
-        <p className="text-white-3000 relative z-10 text-xs leading-6 font-semibold xl:text-sm xl:leading-7">
+        <p className="relative z-10 text-xs leading-6 font-semibold text-white xl:text-sm xl:leading-7">
           {notificationText}
         </p>
         <span className="relative z-10 flex items-center">
@@ -132,4 +132,4 @@ export default function Notification({
       </a>
     </>
   );
-}
\ No newline at end of file
+}
diff --git a/frontend/src/components/SearchableDropdown.tsx b/frontend/src/components/SearchableDropdown.tsx
deleted file mode 100644
index efd2b8a4..00000000
--- a/frontend/src/components/SearchableDropdown.tsx
+++ /dev/null
@@ -1,271 +0,0 @@
-import React from 'react';
-
-import Arrow2 from '../assets/dropdown-arrow.svg';
-import Edit from '../assets/edit.svg';
-import Search from '../assets/search.svg';
-import Trash from '../assets/trash.svg';
-
-/**
- * SearchableDropdown - A standalone dropdown component with built-in search functionality
- */
-
-type SearchableDropdownOptionBase = {
-  id?: string;
-  type?: string;
-};
-
-type NameIdOption = { name: string; id: string } & SearchableDropdownOptionBase;
-
-export type SearchableDropdownOption =
-  | string
-  | NameIdOption
-  | ({ label: string; value: string } & SearchableDropdownOptionBase)
-  | ({ value: number; description: string } & SearchableDropdownOptionBase);
-
-export type SearchableDropdownSelectedValue = SearchableDropdownOption | null;
-
-export interface SearchableDropdownProps<
-  T extends SearchableDropdownOption = SearchableDropdownOption,
-> {
-  options: T[];
-  selectedValue: SearchableDropdownSelectedValue;
-  onSelect: (value: T) => void;
-  size?: string;
-  /** Controls border radius for both button and dropdown menu */
-  rounded?: 'xl' | '3xl';
-  border?: 'border' | 'border-2';
-  showEdit?: boolean;
-  onEdit?: (value: NameIdOption) => void;
-  showDelete?: boolean | ((option: T) => boolean);
-  onDelete?: (id: string) => void;
-  placeholder?: string;
-}
-
-function SearchableDropdown<T extends SearchableDropdownOption>({
-  options,
-  selectedValue,
-  onSelect,
-  size = 'w-32',
-  rounded = 'xl',
-  border = 'border-2',
-  showEdit,
-  onEdit,
-  showDelete,
-  onDelete,
-  placeholder,
-}: SearchableDropdownProps<T>) {
-  const dropdownRef = React.useRef<HTMLDivElement>(null);
-  const searchInputRef = React.useRef<HTMLInputElement>(null);
-  const [isOpen, setIsOpen] = React.useState(false);
-  const [searchQuery, setSearchQuery] = React.useState('');
-
-  const borderRadius = rounded === 'xl' ? 'rounded-xl' : 'rounded-3xl';
-
-  React.useEffect(() => {
-    const handleClickOutside = (event: MouseEvent) => {
-      if (
-        dropdownRef.current &&
-        !dropdownRef.current.contains(event.target as Node)
-      ) {
-        setIsOpen(false);
-        setSearchQuery('');
-      }
-    };
-
-    document.addEventListener('mousedown', handleClickOutside);
-    return () => document.removeEventListener('mousedown', handleClickOutside);
-  }, []);
-
-  React.useEffect(() => {
-    if (isOpen && searchInputRef.current) {
-      searchInputRef.current.focus();
-    }
-  }, [isOpen]);
-
-  const getOptionText = (option: SearchableDropdownOption): string => {
-    if (typeof option === 'string') return option;
-    if ('name' in option) return option.name;
-    if ('label' in option) return option.label;
-    if ('description' in option) return option.description;
-    return '';
-  };
-
-  const filteredOptions = React.useMemo(() => {
-    if (!searchQuery.trim()) return options;
-    const query = searchQuery.toLowerCase();
-    return options.filter((option) =>
-      getOptionText(option).toLowerCase().includes(query),
-    );
-  }, [options, searchQuery]);
-
-  const getDisplayValue = (): string => {
-    if (!selectedValue) return placeholder ?? 'From URL';
-    if (typeof selectedValue === 'string') return selectedValue;
-    if ('label' in selectedValue) return selectedValue.label;
-    if ('name' in selectedValue) return selectedValue.name;
-    if ('description' in selectedValue) {
-      return selectedValue.value < 1e9
-        ? `${selectedValue.value} (${selectedValue.description})`
-        : selectedValue.description;
-    }
-    return placeholder ?? 'From URL';
-  };
-
-  const isOptionSelected = (option: T): boolean => {
-    if (!selectedValue) return false;
-    if (typeof selectedValue === 'string')
-      return selectedValue === (option as unknown as string);
-    if (typeof option === 'string') return false;
-
-    const optionObj = option as Record<string, unknown>;
-    const selectedObj = selectedValue as Record<string, unknown>;
-
-    if ('name' in optionObj && 'name' in selectedObj)
-      return selectedObj.name === optionObj.name;
-    if ('label' in optionObj && 'label' in selectedObj)
-      return selectedObj.label === optionObj.label;
-    if ('value' in optionObj && 'value' in selectedObj)
-      return selectedObj.value === optionObj.value;
-    return false;
-  };
-
-  return (
-    <div
-      className={`relative ${typeof selectedValue === 'string' ? '' : 'align-middle'} ${size}`}
-      ref={dropdownRef}
-    >
-      <button
-        onClick={() => setIsOpen(!isOpen)}
-        className={`flex w-full cursor-pointer items-center justify-between ${border} border-silver dark:border-dim-gray bg-white px-5 py-3 dark:bg-transparent ${borderRadius}`}
-      >
-        <span
-          className={`dark:text-bright-gray truncate ${!selectedValue ? 'text-gray-500 dark:text-gray-400' : ''}`}
-        >
-          {getDisplayValue()}
-        </span>
-        <img
-          src={Arrow2}
-          alt="arrow"
-          className={`h-3 w-3 transform transition-transform ${isOpen ? 'rotate-180' : 'rotate-0'}`}
-        />
-      </button>
-
-      {isOpen && (
-        <div
-          className={`absolute right-0 left-0 z-20 mt-2 ${borderRadius} dark:bg-dark-charcoal bg-[#FBFBFB] shadow-[0px_24px_48px_0px_#00000029]`}
-        >
-          <div
-            className={`border-silver dark:border-dim-gray dark:bg-dark-charcoal sticky top-0 z-10 border-b bg-[#FBFBFB] px-3 py-2 ${rounded === 'xl' ? 'rounded-t-xl' : 'rounded-t-3xl'}`}
-          >
-            <div className="relative flex items-center">
-              <img
-                src={Search}
-                alt="search"
-                width={14}
-                height={14}
-                className="absolute left-3"
-              />
-              <input
-                ref={searchInputRef}
-                type="text"
-                value={searchQuery}
-                onChange={(e) => setSearchQuery(e.target.value)}
-                placeholder="Search..."
-                className="dark:text-bright-gray w-full rounded-lg border-0 bg-transparent py-2 pr-3 pl-10 font-['Inter'] text-[14px] leading-[16.5px] font-normal focus:ring-0 focus:outline-none"
-                onClick={(e) => e.stopPropagation()}
-              />
-            </div>
-          </div>
-
-          <div className="max-h-40 overflow-y-auto">
-            {filteredOptions.length === 0 ? (
-              <div className="px-5 py-3 text-center text-sm text-gray-500 dark:text-gray-400">
-                No results found
-              </div>
-            ) : (
-              filteredOptions.map((option, index) => {
-                const selected = isOptionSelected(option);
-                const optionObj =
-                  typeof option !== 'string'
-                    ? (option as Record<string, unknown>)
-                    : null;
-                const optionType = optionObj?.type as string | undefined;
-                const optionId = optionObj?.id as string | undefined;
-                const optionName = optionObj?.name as string | undefined;
-
-                return (
-                  <div
-                    key={index}
-                    className={`flex cursor-pointer items-center justify-between hover:bg-[#ECECEC] dark:hover:bg-[#545561] ${selected ? 'bg-[#ECECEC] dark:bg-[#545561]' : ''}`}
-                  >
-                    <span
-                      onClick={() => {
-                        onSelect(option);
-                        setIsOpen(false);
-                        setSearchQuery('');
-                      }}
-                      className="dark:text-light-gray ml-5 flex-1 overflow-hidden py-3 font-['Inter'] text-[14px] leading-[16.5px] font-normal text-ellipsis whitespace-nowrap"
-                    >
-                      {getOptionText(option)}
-                    </span>
-                    {showEdit &&
-                      onEdit &&
-                      optionObj &&
-                      optionType !== 'public' && (
-                        <img
-                          src={Edit}
-                          alt="Edit"
-                          className="mr-4 h-4 w-4 cursor-pointer hover:opacity-50"
-                          onClick={() => {
-                            if (optionName && optionId) {
-                              onEdit({
-                                id: optionId,
-                                name: optionName,
-                                type: optionType,
-                              });
-                            }
-                            setIsOpen(false);
-                            setSearchQuery('');
-                          }}
-                        />
-                      )}
-                    {showDelete && onDelete && (
-                      <button
-                        onClick={(e) => {
-                          e.stopPropagation();
-                          const id =
-                            typeof option === 'string'
-                              ? option
-                              : (optionId ?? '');
-                          onDelete(id);
-                        }}
-                        className={`mr-2 h-4 w-4 cursor-pointer hover:opacity-50 ${
-                          typeof showDelete === 'function' &&
-                          !showDelete(option)
-                            ? 'hidden'
-                            : ''
-                        }`}
-                      >
-                        <img
-                          src={Trash}
-                          alt="Delete"
-                          className={`mr-2 h-4 w-4 cursor-pointer hover:opacity-50 ${
-                            optionType === 'public'
-                              ? 'cursor-not-allowed opacity-50'
-                              : ''
-                          }`}
-                        />
-                      </button>
-                    )}
-                  </div>
-                );
-              })
-            )}
-          </div>
-        </div>
-      )}
-    </div>
-  );
-}
-
-export default SearchableDropdown;
diff --git a/frontend/src/components/SettingsBar.tsx b/frontend/src/components/SettingsBar.tsx
index fbcce780..584d7483 100644
--- a/frontend/src/components/SettingsBar.tsx
+++ b/frontend/src/components/SettingsBar.tsx
@@ -51,16 +51,16 @@ const SettingsBar = ({ setActiveTab, activeTab }: SettingsBarProps) => {
   return (
     <div className="relative mt-6 flex flex-row items-center space-x-1 overflow-auto md:space-x-0">
       <div
-        className={`${hiddenGradient === 'left' ? 'hidden' : ''} dark:from-raisin-black pointer-events-none absolute inset-y-0 left-6 w-14 bg-linear-to-r from-white md:hidden`}
+        className={`${hiddenGradient === 'left' ? 'hidden' : ''} dark:from-background pointer-events-none absolute inset-y-0 left-6 w-14 bg-linear-to-r from-white md:hidden`}
       ></div>
       <div
-        className={`${hiddenGradient === 'right' ? 'hidden' : ''} dark:from-raisin-black pointer-events-none absolute inset-y-0 right-6 w-14 bg-linear-to-l from-white md:hidden`}
+        className={`${hiddenGradient === 'right' ? 'hidden' : ''} dark:from-background pointer-events-none absolute inset-y-0 right-6 w-14 bg-linear-to-l from-white md:hidden`}
       ></div>
 
       <div className="z-10 md:hidden">
         <button
           onClick={() => scrollTabs(-1)}
-          className="flex h-6 w-6 items-center justify-center rounded-full transition-all hover:bg-gray-200 dark:hover:bg-gray-700"
+          className="hover:bg-muted dark:hover:bg-accent flex h-6 w-6 items-center justify-center rounded-full transition-all"
           aria-label={t('settings.scrollTabsLeft')}
         >
           <img src={ArrowLeft} alt="left-arrow" className="h-3" />
@@ -78,8 +78,8 @@ const SettingsBar = ({ setActiveTab, activeTab }: SettingsBarProps) => {
             onClick={() => setActiveTab(tab)}
             className={`h-9 snap-start rounded-3xl px-4 font-bold transition-colors ${
               activeTab === tab
-                ? 'dark:bg-dark-charcoal bg-[#F4F4F5] text-neutral-900 dark:text-white'
-                : 'text-neutral-700 hover:text-neutral-900 dark:text-neutral-300 dark:hover:text-white'
+                ? 'bg-muted text-foreground dark:bg-accent dark:text-white'
+                : 'text-muted-foreground hover:text-foreground dark:text-neutral-400 dark:hover:text-white'
             }`}
             role="tab"
             aria-selected={activeTab === tab}
@@ -93,7 +93,7 @@ const SettingsBar = ({ setActiveTab, activeTab }: SettingsBarProps) => {
       <div className="z-10 md:hidden">
         <button
           onClick={() => scrollTabs(1)}
-          className="flex h-6 w-6 items-center justify-center rounded-full hover:bg-gray-200 dark:hover:bg-gray-700"
+          className="hover:bg-muted dark:hover:bg-accent flex h-6 w-6 items-center justify-center rounded-full"
           aria-label={t('settings.scrollTabsRight')}
         >
           <img src={ArrowRight} alt="right-arrow" className="h-3" />
diff --git a/frontend/src/components/Sidebar.tsx b/frontend/src/components/Sidebar.tsx
index 77908f8b..9db032a5 100644
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -33,13 +33,13 @@ export default function Sidebar({
   return (
     <div ref={sidebarRef} className="h-vh relative">
       <div
-        className={`dark:bg-chinese-black fixed top-0 right-0 z-50 h-full w-64 transform bg-white shadow-xl transition-all duration-300 sm:w-80 ${
+        className={`bg-card fixed top-0 right-0 z-50 h-full w-64 transform shadow-xl transition-all duration-300 sm:w-80 ${
           isOpen ? 'translate-x-[10px]' : 'translate-x-full'
         } border-l border-[#9ca3af]/10`}
       >
         <div className="flex w-full flex-row items-end justify-end px-4 pt-3">
           <button
-            className="hover:bg-gray-1000 dark:hover:bg-gun-metal w-7 rounded-full p-2"
+            className="hover:bg-accent w-7 rounded-full p-2"
             onClick={() => toggleState(!isOpen)}
           >
             <img className="filter dark:invert" src={Exit} />
diff --git a/frontend/src/components/SkeletonLoader.tsx b/frontend/src/components/SkeletonLoader.tsx
index c90d03ba..ac7a8ffe 100644
--- a/frontend/src/components/SkeletonLoader.tsx
+++ b/frontend/src/components/SkeletonLoader.tsx
@@ -97,7 +97,7 @@ const SkeletonLoader: React.FC<SkeletonLoaderProps> = ({
       {[...Array(8)].map((_, idx) => (
         <div
           key={idx}
-          className="dark:hover:bg-dark-charcoal flex w-full items-start p-2 hover:bg-[#F9F9F9]"
+          className="dark:hover:bg-accent hover:bg-muted flex w-full items-start p-2"
         >
           <div className="flex w-full items-center gap-2">
             <div className="h-3 w-3 rounded-lg bg-gray-300 dark:bg-gray-600"></div>
@@ -119,7 +119,7 @@ const SkeletonLoader: React.FC<SkeletonLoaderProps> = ({
           key={idx}
           className={`p-6 ${
             skeletonCount === 1 ? 'w-full' : 'w-60'
-          } dark:bg-raisin-black animate-pulse rounded-3xl`}
+          } animate-pulse rounded-3xl`}
         >
           <div className="space-y-4">
             <div>
@@ -154,10 +154,7 @@ const SkeletonLoader: React.FC<SkeletonLoaderProps> = ({
   const renderAnalysis = () => (
     <>
       {[...Array(skeletonCount)].map((_, idx) => (
-        <div
-          key={idx}
-          className="dark:bg-raisin-black w-full animate-pulse rounded-3xl p-6"
-        >
+        <div key={idx} className="bg-card w-full animate-pulse rounded-3xl p-6">
           <div className="space-y-6">
             <div className="space-y-2">
               <div className="mb-4 h-4 w-1/3 rounded-sm bg-gray-300 dark:bg-gray-600"></div>
@@ -189,10 +186,10 @@ const SkeletonLoader: React.FC<SkeletonLoaderProps> = ({
       {Array.from({ length: count }).map((_, index) => (
         <div
           key={`chunk-skel-${index}`}
-          className="relative flex h-[197px] w-full max-w-[487px] animate-pulse flex-col overflow-hidden rounded-[5.86px] border border-[#D1D9E0] dark:border-[#6A6A6A]"
+          className="border-border dark:border-border relative flex h-[197px] w-full max-w-[487px] animate-pulse flex-col overflow-hidden rounded-[5.86px] border"
         >
           <div className="w-full">
-            <div className="flex w-full items-center justify-between border-b border-[#D1D9E0] bg-[#F6F8FA] px-4 py-3 dark:border-[#6A6A6A] dark:bg-[#27282D]">
+            <div className="border-border bg-muted dark:border-border dark:bg-card flex w-full items-center justify-between border-b px-4 py-3">
               <div className="h-4 w-20 rounded bg-gray-300 dark:bg-gray-600"></div>
             </div>
             <div className="space-y-3 px-4 pt-4 pb-6">
@@ -214,7 +211,7 @@ const SkeletonLoader: React.FC<SkeletonLoaderProps> = ({
       {Array.from({ length: count }).map((_, idx) => (
         <div
           key={`source-skel-${idx}`}
-          className="flex h-[130px] w-full animate-pulse flex-col rounded-2xl bg-[#F9F9F9] p-3 dark:bg-[#383838]"
+          className="bg-muted dark:bg-accent flex h-[130px] w-full animate-pulse flex-col rounded-2xl p-3"
         >
           <div className="w-full flex-1">
             <div className="flex w-full items-center justify-between gap-2">
diff --git a/frontend/src/components/SourcesPopup.tsx b/frontend/src/components/SourcesPopup.tsx
index eee1bc70..ab5edc64 100644
--- a/frontend/src/components/SourcesPopup.tsx
+++ b/frontend/src/components/SourcesPopup.tsx
@@ -107,7 +107,7 @@ export default function SourcesPopup({
   const popupContent = (
     <div
       ref={popupRef}
-      className="bg-lotion dark:bg-charleston-green-2 fixed z-50 flex flex-col rounded-xl shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
+      className="bg-background dark:bg-card fixed z-50 flex flex-col rounded-xl shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
       style={{
         top: popupPosition.showAbove ? popupPosition.top : undefined,
         bottom: popupPosition.showAbove
@@ -122,7 +122,7 @@ export default function SourcesPopup({
     >
       <div className="flex h-full flex-col">
         <div className="shrink-0 px-4 py-4 md:px-6">
-          <h2 className="dark:text-bright-gray mb-4 text-lg font-bold text-[#141414] dark:text-[20px]">
+          <h2 className="dark:text-foreground mb-4 text-lg font-bold text-[#141414] dark:text-[20px]">
             {t('conversation.sources.text')}
           </h2>
 
@@ -135,11 +135,11 @@ export default function SourcesPopup({
             placeholder={t('settings.sources.searchPlaceholder')}
             borderVariant="thin"
             className="mb-4"
-            labelBgClassName="bg-lotion dark:bg-charleston-green-2"
+            labelBgClassName="bg-background dark:bg-card"
           />
         </div>
 
-        <div className="dark:border-dim-gray mx-4 grow overflow-y-auto rounded-md border border-[#D9D9D9] scrollbar-overlay">
+        <div className="dark:border-border scrollbar-overlay mx-4 grow overflow-y-auto rounded-md border border-[#D9D9D9]">
           {options ? (
             <>
               {filteredOptions?.map((option: any, index: number) => {
@@ -154,7 +154,7 @@ export default function SourcesPopup({
                 return (
                   <div
                     key={index}
-                    className="border-opacity-80 dark:border-dim-gray flex cursor-pointer items-center border-b border-[#D9D9D9] p-3 transition-colors hover:bg-gray-100 dark:text-[14px] dark:hover:bg-[#2C2E3C]"
+                    className="border-opacity-80 dark:border-border hover:bg-muted flex cursor-pointer items-center border-b border-[#D9D9D9] p-3 transition-colors dark:text-[14px]"
                     onClick={() => {
                       if (isSelected) {
                         const updatedDocs =
@@ -186,11 +186,11 @@ export default function SourcesPopup({
                       height={14}
                       className="mr-3 shrink-0"
                     />
-                    <span className="dark:text-bright-gray mr-3 grow overflow-hidden font-medium text-ellipsis whitespace-nowrap text-[#5D5D5D]">
+                    <span className="dark:text-foreground mr-3 grow overflow-hidden font-medium text-ellipsis whitespace-nowrap text-[#5D5D5D]">
                       {option.name}
                     </span>
                     <div
-                      className={`flex h-4 w-4 shrink-0 items-center justify-center rounded-xs border-2 border-[#C6C6C6] p-[0.5px] dark:border-[#757783]`}
+                      className={`dark:border-border flex h-4 w-4 shrink-0 items-center justify-center rounded-xs border-2 border-[#C6C6C6] p-[0.5px]`}
                     >
                       {isSelected && (
                         <img
@@ -205,7 +205,7 @@ export default function SourcesPopup({
               })}
             </>
           ) : (
-            <div className="dark:text-bright-gray p-4 text-center text-gray-500 dark:text-[14px]">
+            <div className="dark:text-foreground p-4 text-center text-gray-500 dark:text-[14px]">
               {t('conversation.sources.noSourcesAvailable')}
             </div>
           )}
@@ -214,7 +214,7 @@ export default function SourcesPopup({
         <div className="shrink-0 px-4 py-4 opacity-75 transition-opacity duration-200 hover:opacity-100 md:px-6">
           <a
             href="/settings/sources"
-            className="text-violets-are-blue inline-flex items-center gap-2 text-base font-medium"
+            className="text-primary inline-flex items-center gap-2 text-base font-medium"
             onClick={onClose}
           >
             {t('settings.sources.goToSources')}
@@ -225,7 +225,7 @@ export default function SourcesPopup({
         <div className="flex shrink-0 justify-start px-4 py-3 md:px-6">
           <button
             onClick={handleUploadClick}
-            className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue w-auto rounded-full border px-4 py-2 text-[14px] font-medium transition-colors duration-200 hover:text-white"
+            className="border-primary text-primary hover:bg-primary/90 w-auto rounded-full border px-4 py-2 text-[14px] font-medium transition-colors duration-200 hover:text-white"
           >
             {t('settings.sources.uploadNew')}
           </button>
diff --git a/frontend/src/components/Table.tsx b/frontend/src/components/Table.tsx
index b48c0b7f..5406c68a 100644
--- a/frontend/src/components/Table.tsx
+++ b/frontend/src/components/Table.tsx
@@ -46,7 +46,7 @@ const TableContainer = React.forwardRef<HTMLDivElement, TableContainerProps>(
       <div className={`relative rounded-[6px] ${className}`}>
         <div
           ref={ref}
-          className={`w-full overflow-x-auto rounded-[6px] bg-transparent ${bordered ? 'border border-[#D7D7D7] dark:border-[#6A6A6A]' : ''}`}
+          className={`w-full overflow-x-auto rounded-[6px] bg-transparent ${bordered ? 'border-border dark:border-border border' : ''}`}
           style={{
             maxHeight: height === 'auto' ? undefined : height,
             overflowY: height === 'auto' ? 'hidden' : 'auto',
@@ -75,7 +75,7 @@ const Table: React.FC<TableProps> = ({
 const TableHead: React.FC<TableHeadProps> = ({ children, className = '' }) => {
   return (
     <thead
-      className={`sticky top-0 z-10 bg-gray-100 dark:bg-[#27282D] ${className} `}
+      className={`dark:bg-card sticky top-0 z-10 bg-gray-100 ${className} `}
     >
       {children}
     </thead>
@@ -96,7 +96,7 @@ const TableRow: React.FC<TableRowProps> = ({
   onClick,
 }) => {
   const baseClasses =
-    'border-b border-[#D7D7D7] hover:bg-[#ECEEEF] dark:border-[#6A6A6A] dark:hover:bg-[#27282D]';
+    'border-b border-border hover:bg-muted dark:border-border dark:hover:bg-muted';
   const cursorClass = onClick ? 'cursor-pointer' : '';
 
   return (
@@ -127,7 +127,7 @@ const TableHeader: React.FC<TableCellProps> = ({
     }
   };
 
-  const baseClasses = `px-2 py-3 text-sm font-medium text-gray-700 lg:px-3 dark:text-[#59636E] border-b border-[#D7D7D7] dark:border-[#6A6A6A] relative box-border ${getAlignmentClass()}`;
+  const baseClasses = `px-2 py-3 text-sm font-medium text-gray-700 lg:px-3 dark:text-muted-foreground border-b border-border dark:border-border relative box-border ${getAlignmentClass()}`;
   const widthClasses = minWidth ? minWidth : '';
 
   return (
@@ -158,7 +158,7 @@ const TableCell: React.FC<TableCellProps> = ({
     }
   };
 
-  const baseClasses = `px-2 py-2 text-sm lg:px-3 dark:text-[#E0E0E0] box-border ${getAlignmentClass()}`;
+  const baseClasses = `px-2 py-2 text-sm lg:px-3 box-border ${getAlignmentClass()}`;
   const widthClasses = minWidth ? minWidth : '';
 
   return (
diff --git a/frontend/src/components/TextToSpeechButton.tsx b/frontend/src/components/TextToSpeechButton.tsx
index ce09fa1c..deda84e4 100644
--- a/frontend/src/components/TextToSpeechButton.tsx
+++ b/frontend/src/components/TextToSpeechButton.tsx
@@ -176,9 +176,7 @@ export default function SpeakButton({ text }: { text: string }) {
     <button
       type="button"
       className={`flex cursor-pointer items-center justify-center rounded-full p-2 ${
-        isSpeaking || isLoading
-          ? 'dark:bg-purple-taupe bg-[#EEEEEE]'
-          : 'bg-white-3000 dark:hover:bg-purple-taupe hover:bg-[#EEEEEE] dark:bg-transparent'
+        isSpeaking || isLoading ? 'bg-accent' : 'hover:bg-accent bg-transparent'
       }`}
       onClick={handleSpeakClick}
       aria-label={
diff --git a/frontend/src/components/ToggleSwitch.tsx b/frontend/src/components/ToggleSwitch.tsx
index 3cf762e5..ef0356e6 100644
--- a/frontend/src/components/ToggleSwitch.tsx
+++ b/frontend/src/components/ToggleSwitch.tsx
@@ -52,7 +52,7 @@ const ToggleSwitch: React.FC<ToggleSwitchProps> = ({
     >
       {label && (
         <span
-          className={`text-eerie-black dark:text-white ${
+          className={`text-foreground dark:text-white ${
             labelPosition === 'left' ? 'mr-3' : 'ml-3'
           }`}
         >
diff --git a/frontend/src/components/ToolsPopup.tsx b/frontend/src/components/ToolsPopup.tsx
index a74b50ba..9fe1d4bb 100644
--- a/frontend/src/components/ToolsPopup.tsx
+++ b/frontend/src/components/ToolsPopup.tsx
@@ -137,7 +137,7 @@ export default function ToolsPopup({
   const popupContent = (
     <div
       ref={popupRef}
-      className="border-light-silver bg-lotion dark:border-dim-gray dark:bg-charleston-green-2 fixed z-50 rounded-lg border shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
+      className="border-border bg-background dark:border-border dark:bg-card fixed z-50 rounded-lg border shadow-[0px_9px_46px_8px_#0000001F,0px_24px_38px_3px_#00000024,0px_11px_15px_-7px_#00000033]"
       style={{
         top: popupPosition.showAbove ? popupPosition.top : undefined,
         bottom: popupPosition.showAbove
@@ -163,7 +163,7 @@ export default function ToolsPopup({
             value={searchTerm}
             onChange={(e) => setSearchTerm(e.target.value)}
             placeholder={t('settings.tools.searchPlaceholder')}
-            labelBgClassName="bg-lotion dark:bg-charleston-green-2"
+            labelBgClassName="bg-background dark:bg-card"
             borderVariant="thin"
             className="mb-4"
           />
@@ -174,8 +174,8 @@ export default function ToolsPopup({
             <div className="h-6 w-6 animate-spin rounded-full border-b-2 border-gray-900 dark:border-white"></div>
           </div>
         ) : (
-          <div className="dark:border-dim-gray mx-4 grow overflow-hidden rounded-md border border-[#D9D9D9]">
-            <div className="h-full overflow-y-auto scrollbar-overlay">
+          <div className="dark:border-border mx-4 grow overflow-hidden rounded-md border border-[#D9D9D9]">
+            <div className="scrollbar-overlay h-full overflow-y-auto">
               {filteredTools.length === 0 ? (
                 <div className="flex h-full flex-col items-center justify-center py-8">
                   <img
@@ -192,7 +192,7 @@ export default function ToolsPopup({
                   <div
                     key={tool.id}
                     onClick={() => updateToolStatus(tool.id, !tool.status)}
-                    className="dark:border-dim-gray dark:hover:bg-charleston-green-3 flex items-center justify-between border-b border-[#D9D9D9] p-3 hover:bg-gray-100"
+                    className="dark:border-border dark:hover:bg-accent hover:bg-accent flex items-center justify-between border-b border-[#D9D9D9] p-3"
                   >
                     <div className="mr-3 flex grow items-center">
                       <img
@@ -208,7 +208,7 @@ export default function ToolsPopup({
                     </div>
                     <div className="flex shrink-0 items-center">
                       <div
-                        className={`flex h-4 w-4 items-center justify-center rounded-xs border-2 border-[#C6C6C6] p-[0.5px] dark:border-[#757783]`}
+                        className={`dark:border-border flex h-4 w-4 items-center justify-center rounded-xs border-2 border-[#C6C6C6] p-[0.5px]`}
                       >
                         {tool.status && (
                           <img
@@ -230,7 +230,7 @@ export default function ToolsPopup({
         <div className="shrink-0 p-4 opacity-75 transition-opacity duration-200 hover:opacity-100">
           <a
             href="/settings/tools"
-            className="text-purple-30 inline-flex items-center text-base font-medium"
+            className="text-primary inline-flex items-center text-base font-medium"
           >
             {t('settings.tools.manageTools')}
             <img
diff --git a/frontend/src/components/UploadToast.tsx b/frontend/src/components/UploadToast.tsx
index e6122e0e..7312d7b5 100644
--- a/frontend/src/components/UploadToast.tsx
+++ b/frontend/src/components/UploadToast.tsx
@@ -1,11 +1,11 @@
 import { useState } from 'react';
-
-import { useDispatch, useSelector } from 'react-redux';
 import { useTranslation } from 'react-i18next';
-import { selectUploadTasks, dismissUploadTask } from '../upload/uploadSlice';
-import ChevronDown from '../assets/chevron-down.svg';
+import { useDispatch, useSelector } from 'react-redux';
+
 import CheckCircleFilled from '../assets/check-circle-filled.svg';
+import ChevronDown from '../assets/chevron-down.svg';
 import WarnIcon from '../assets/warn.svg';
+import { dismissUploadTask, selectUploadTasks } from '../upload/uploadSlice';
 
 const PROGRESS_RADIUS = 10;
 const PROGRESS_CIRCUMFERENCE = 2 * Math.PI * PROGRESS_RADIUS;
@@ -65,23 +65,17 @@ export default function UploadToast() {
           return (
             <div
               key={task.id}
-              className={`w-[271px] overflow-hidden rounded-2xl border border-[#00000021] shadow-[0px_24px_48px_0px_#00000029] transition-all duration-300 ${
-                task.status === 'completed'
-                  ? 'bg-[#FBFBFB] dark:bg-[#26272E]'
-                  : task.status === 'failed'
-                    ? 'bg-[#FBFBFB] dark:bg-[#26272E]'
-                    : 'bg-[#FBFBFB] dark:bg-[#26272E]'
-              }`}
+              className={`border-border bg-card w-[271px] overflow-hidden rounded-2xl border shadow-[0px_24px_48px_0px_#00000029] transition-all duration-300`}
             >
               <div className="flex flex-col">
                 <div
                   className={`flex items-center justify-between px-4 py-3 ${
                     task.status !== 'failed'
-                      ? 'bg-[#FBF2FE] dark:bg-transparent'
-                      : ''
+                      ? 'bg-accent/50 dark:bg-muted'
+                      : 'bg-destructive/10 dark:bg-destructive/10'
                   }`}
                 >
-                  <h3 className="font-inter text-[14px] leading-[16.5px] font-medium text-black dark:text-[#DCDCDC]">
+                  <h3 className="font-inter dark:text-foreground text-[14px] leading-[16.5px] font-medium text-black">
                     {getStatusHeading(task.status)}
                   </h3>
                   <div className="flex items-center gap-1">
@@ -147,7 +141,7 @@ export default function UploadToast() {
                   >
                     <div className="flex items-center justify-between px-5 py-3">
                       <p
-                        className="font-inter max-w-[200px] truncate text-[13px] leading-[16.5px] font-normal text-black dark:text-[#B7BAB8]"
+                        className="font-inter dark:text-muted-foreground max-w-[200px] truncate text-[13px] leading-[16.5px] font-normal text-black"
                         title={task.fileName}
                       >
                         {task.fileName}
@@ -159,7 +153,7 @@ export default function UploadToast() {
                             width="24"
                             height="24"
                             viewBox="0 0 24 24"
-                            className="h-6 w-6 flex-shrink-0 text-[#7D54D1]"
+                            className="h-6 w-6 shrink-0 text-[#7D54D1]"
                             role="progressbar"
                             aria-valuemin={0}
                             aria-valuemax={100}
@@ -172,7 +166,7 @@ export default function UploadToast() {
                             )}
                           >
                             <circle
-                              className="text-gray-300 dark:text-gray-700"
+                              className="text-muted dark:text-muted-foreground/30"
                               stroke="currentColor"
                               strokeWidth="2"
                               cx="12"
@@ -200,7 +194,7 @@ export default function UploadToast() {
                           <img
                             src={CheckCircleFilled}
                             alt=""
-                            className="h-6 w-6 flex-shrink-0"
+                            className="h-6 w-6 shrink-0"
                             aria-hidden="true"
                           />
                         )}
@@ -209,7 +203,7 @@ export default function UploadToast() {
                           <img
                             src={WarnIcon}
                             alt=""
-                            className="h-6 w-6 flex-shrink-0"
+                            className="h-6 w-6 shrink-0"
                             aria-hidden="true"
                           />
                         )}
diff --git a/frontend/src/components/types/Dropdown.types.ts b/frontend/src/components/types/Dropdown.types.ts
deleted file mode 100644
index f099a0cb..00000000
--- a/frontend/src/components/types/Dropdown.types.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-export type DropdownOptionBase = {
-  id?: string;
-  type?: string;
-};
-
-export type StringOption = string;
-export type NameIdOption = { name: string; id: string } & DropdownOptionBase;
-export type LabelValueOption = {
-  label: string;
-  value: string;
-} & DropdownOptionBase;
-export type ValueDescriptionOption = {
-  value: number;
-  description: string;
-} & DropdownOptionBase;
-
-export type DropdownOption =
-  | StringOption
-  | NameIdOption
-  | LabelValueOption
-  | ValueDescriptionOption;
-
-export type DropdownSelectedValue = DropdownOption | null;
-
-export type OnSelectHandler<T extends DropdownOption = DropdownOption> = (
-  value: T,
-) => void;
-
-export interface DropdownProps<T extends DropdownOption = DropdownOption> {
-  options: T[];
-  selectedValue: DropdownSelectedValue;
-  onSelect: OnSelectHandler<T>;
-  size?: string;
-  rounded?: 'xl' | '3xl';
-  buttonClassName?: string;
-  optionsClassName?: string;
-  border?: 'border' | 'border-2';
-  showEdit?: boolean;
-  onEdit?: (value: NameIdOption) => void;
-  showDelete?: boolean | ((option: T) => boolean);
-  onDelete?: (id: string) => void;
-  placeholder?: string;
-  placeholderClassName?: string;
-  contentSize?: string;
-}
diff --git a/frontend/src/components/ui/input.tsx b/frontend/src/components/ui/input.tsx
index cdfcb987..84284a0b 100644
--- a/frontend/src/components/ui/input.tsx
+++ b/frontend/src/components/ui/input.tsx
@@ -8,8 +8,8 @@ function Input({ className, type, ...props }: React.ComponentProps<'input'>) {
       type={type}
       data-slot="input"
       className={cn(
-        'text-foreground file:text-foreground placeholder:text-muted-foreground border-silver h-[42px] w-full min-w-0 rounded-md border bg-transparent px-3 py-2 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
-        'dark:border-silver/40 dark:bg-transparent dark:text-white dark:placeholder:text-gray-400',
+        'text-foreground file:text-foreground placeholder:text-muted-foreground border-border h-[42px] w-full min-w-0 rounded-md border bg-transparent px-3 py-2 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+        'dark:border-border dark:text-white dark:placeholder:text-gray-400',
         'selection:bg-primary selection:text-primary-foreground',
         'focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]',
         'aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive',
diff --git a/frontend/src/components/ui/multi-select.tsx b/frontend/src/components/ui/multi-select.tsx
index 42ec75b0..58a58cd3 100644
--- a/frontend/src/components/ui/multi-select.tsx
+++ b/frontend/src/components/ui/multi-select.tsx
@@ -70,7 +70,7 @@ export function MultiSelect({
           role="combobox"
           aria-expanded={open}
           className={cn(
-            'h-auto min-h-[2.5rem] w-full justify-between border-[#E5E5E5] bg-white py-1.5 hover:bg-gray-50 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838]',
+            'border-border bg-card hover:bg-accent h-auto min-h-10 w-full justify-between py-1.5',
             !selected.length && 'text-gray-500 dark:text-gray-400',
             className,
           )}
@@ -85,7 +85,7 @@ export function MultiSelect({
                   return (
                     <span
                       key={option?.value || label}
-                      className="dark:bg-purple-30/30 bg-violets-are-blue/20 inline-flex max-w-[calc(100%-1rem)] items-center gap-1 rounded-md px-2 py-0.5 text-xs font-medium text-purple-700 dark:text-purple-300"
+                      className="bg-primary/20 dark:bg-primary/30 inline-flex max-w-[calc(100%-1rem)] min-w-0 items-center gap-1 rounded-md px-2 py-0.5 text-xs font-medium text-purple-700 dark:text-purple-300"
                     >
                       <span className="truncate">{label}</span>
                       <span
@@ -124,7 +124,7 @@ export function MultiSelect({
         </Button>
       </PopoverTrigger>
       <PopoverContent
-        className="w-(--radix-popover-trigger-width) border-[#E5E5E5] bg-white p-0 dark:border-[#3A3A3A] dark:bg-[#2C2C2C]"
+        className="border-border bg-card w-(--radix-popover-trigger-width) p-0"
         align="start"
       >
         <Command className="bg-transparent">
@@ -141,13 +141,13 @@ export function MultiSelect({
                     key={option.value}
                     value={option.label}
                     onSelect={() => handleSelect(option.value)}
-                    className="cursor-pointer dark:hover:bg-[#383838]"
+                    className="cursor-pointer"
                   >
                     <div
                       className={cn(
                         'mr-2 flex h-4 w-4 items-center justify-center rounded-sm border-2',
                         isSelected
-                          ? 'border-purple-30 bg-purple-30 text-white'
+                          ? 'border-primary bg-primary text-white'
                           : 'border-gray-400 dark:border-gray-500',
                       )}
                     >
diff --git a/frontend/src/components/ui/select.tsx b/frontend/src/components/ui/select.tsx
index 3be303d5..7bae378f 100644
--- a/frontend/src/components/ui/select.tsx
+++ b/frontend/src/components/ui/select.tsx
@@ -37,11 +37,11 @@ function SelectTrigger({
       data-slot="select-trigger"
       data-size={size}
       className={cn(
-        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive flex w-fit items-center justify-between gap-2 rounded-md border px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 data-[size=lg]:h-[42px] *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg:not([class*='text-'])]:text-gray-600 dark:[&_svg:not([class*='text-'])]:text-gray-400",
+        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive flex w-fit items-center justify-between gap-2 rounded-md border px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=lg]:h-[42px] data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 [&_svg:not([class*='text-'])]:text-gray-600 dark:[&_svg:not([class*='text-'])]:text-gray-400",
         variant === 'default' &&
-          'border-light-silver bg-white focus-visible:ring-purple-30/50 hover:bg-gray-50 data-placeholder:text-gray-500 dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:hover:bg-[#383838] dark:data-placeholder:text-gray-400',
+          'border-border bg-card focus-visible:ring-ring/50 hover:bg-accent data-placeholder:text-muted-foreground',
         variant === 'ghost' &&
-          'border-silver bg-transparent focus-visible:ring-purple-30/50 hover:bg-gray-50 data-[state=open]:bg-gray-50 data-placeholder:text-gray-500 dark:border-silver/40 dark:bg-transparent dark:hover:bg-white/5 dark:data-[state=open]:bg-white/10 dark:data-placeholder:text-gray-400',
+          'border-border focus-visible:ring-ring/50 hover:bg-accent data-[state=open]:bg-muted data-placeholder:text-muted-foreground dark:border-border dark:hover:bg-accent dark:data-[state=open]:bg-muted bg-transparent',
         className,
       )}
       {...props}
@@ -66,7 +66,7 @@ function SelectContent({
       <SelectPrimitive.Content
         data-slot="select-content"
         className={cn(
-          'border-light-silver bg-lotion data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 relative z-200 max-h-(--radix-select-content-available-height) min-w-32 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border text-gray-900 shadow-md dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white',
+          'border-border bg-card data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 relative z-200 max-h-(--radix-select-content-available-height) min-w-32 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border text-gray-900 shadow-md dark:text-white',
           position === 'popper' &&
             'data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1',
           className,
@@ -113,7 +113,7 @@ function SelectItem({
     <SelectPrimitive.Item
       data-slot="select-item"
       className={cn(
-        "[&_svg:not([class*='text-'])]:text-muted-foreground relative flex w-full cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm outline-hidden select-none hover:bg-gray-100 data-disabled:pointer-events-none data-disabled:opacity-50 dark:hover:bg-[#383838] [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
+        "[&_svg:not([class*='text-'])]:text-muted-foreground hover:bg-muted relative flex w-full cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm outline-hidden select-none data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
         className,
       )}
       {...props}
diff --git a/frontend/src/components/ui/sheet.tsx b/frontend/src/components/ui/sheet.tsx
index b25c266d..8ce52880 100644
--- a/frontend/src/components/ui/sheet.tsx
+++ b/frontend/src/components/ui/sheet.tsx
@@ -1,29 +1,29 @@
-import * as React from "react"
-import * as SheetPrimitive from "@radix-ui/react-dialog"
-import { XIcon } from "lucide-react"
+import * as React from 'react';
+import * as SheetPrimitive from '@radix-ui/react-dialog';
+import { XIcon } from 'lucide-react';
 
-import { cn } from "@/lib/utils"
+import { cn } from '@/lib/utils';
 
 function Sheet({ ...props }: React.ComponentProps<typeof SheetPrimitive.Root>) {
-  return <SheetPrimitive.Root data-slot="sheet" {...props} />
+  return <SheetPrimitive.Root data-slot="sheet" {...props} />;
 }
 
 function SheetTrigger({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Trigger>) {
-  return <SheetPrimitive.Trigger data-slot="sheet-trigger" {...props} />
+  return <SheetPrimitive.Trigger data-slot="sheet-trigger" {...props} />;
 }
 
 function SheetClose({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Close>) {
-  return <SheetPrimitive.Close data-slot="sheet-close" {...props} />
+  return <SheetPrimitive.Close data-slot="sheet-close" {...props} />;
 }
 
 function SheetPortal({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Portal>) {
-  return <SheetPrimitive.Portal data-slot="sheet-portal" {...props} />
+  return <SheetPrimitive.Portal data-slot="sheet-portal" {...props} />;
 }
 
 function SheetOverlay({
@@ -34,23 +34,23 @@ function SheetOverlay({
     <SheetPrimitive.Overlay
       data-slot="sheet-overlay"
       className={cn(
-        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50",
-        className
+        'data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50',
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function SheetContent({
   className,
   children,
-  side = "right",
+  side = 'right',
   showCloseButton = true,
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Content> & {
-  side?: "top" | "right" | "bottom" | "left"
-  showCloseButton?: boolean
+  side?: 'top' | 'right' | 'bottom' | 'left';
+  showCloseButton?: boolean;
 }) {
   return (
     <SheetPortal>
@@ -58,16 +58,16 @@ function SheetContent({
       <SheetPrimitive.Content
         data-slot="sheet-content"
         className={cn(
-          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out fixed z-50 flex flex-col gap-4 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500",
-          side === "right" &&
-            "data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right inset-y-0 right-0 h-full w-3/4 border-l sm:max-w-sm",
-          side === "left" &&
-            "data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left inset-y-0 left-0 h-full w-3/4 border-r sm:max-w-sm",
-          side === "top" &&
-            "data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top inset-x-0 top-0 h-auto border-b",
-          side === "bottom" &&
-            "data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom inset-x-0 bottom-0 h-auto border-t",
-          className
+          'bg-background data-[state=open]:animate-in data-[state=closed]:animate-out fixed z-50 flex flex-col gap-4 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500',
+          side === 'right' &&
+            'data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right inset-y-0 right-0 h-full w-3/4 border-l sm:max-w-sm',
+          side === 'left' &&
+            'data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left inset-y-0 left-0 h-full w-3/4 border-r sm:max-w-sm',
+          side === 'top' &&
+            'data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top inset-x-0 top-0 h-auto border-b',
+          side === 'bottom' &&
+            'data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom inset-x-0 bottom-0 h-auto border-t',
+          className,
         )}
         {...props}
       >
@@ -80,27 +80,27 @@ function SheetContent({
         )}
       </SheetPrimitive.Content>
     </SheetPortal>
-  )
+  );
 }
 
-function SheetHeader({ className, ...props }: React.ComponentProps<"div">) {
+function SheetHeader({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="sheet-header"
-      className={cn("flex flex-col gap-1.5 p-4", className)}
+      className={cn('flex flex-col gap-1.5 p-4', className)}
       {...props}
     />
-  )
+  );
 }
 
-function SheetFooter({ className, ...props }: React.ComponentProps<"div">) {
+function SheetFooter({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="sheet-footer"
-      className={cn("mt-auto flex flex-col gap-2 p-4", className)}
+      className={cn('mt-auto flex flex-col gap-2 p-4', className)}
       {...props}
     />
-  )
+  );
 }
 
 function SheetTitle({
@@ -110,10 +110,10 @@ function SheetTitle({
   return (
     <SheetPrimitive.Title
       data-slot="sheet-title"
-      className={cn("text-foreground font-semibold", className)}
+      className={cn('text-foreground font-semibold', className)}
       {...props}
     />
-  )
+  );
 }
 
 function SheetDescription({
@@ -123,10 +123,10 @@ function SheetDescription({
   return (
     <SheetPrimitive.Description
       data-slot="sheet-description"
-      className={cn("text-muted-foreground text-sm", className)}
+      className={cn('text-muted-foreground text-sm', className)}
       {...props}
     />
-  )
+  );
 }
 
 export {
@@ -138,4 +138,4 @@ export {
   SheetFooter,
   SheetTitle,
   SheetDescription,
-}
+};
diff --git a/frontend/src/conversation/Conversation.tsx b/frontend/src/conversation/Conversation.tsx
index eda3ee68..66cb6830 100644
--- a/frontend/src/conversation/Conversation.tsx
+++ b/frontend/src/conversation/Conversation.tsx
@@ -263,7 +263,7 @@ export default function Conversation() {
             />
           </div>
 
-          <p className="text-gray-4000 dark:text-sonic-silver hidden w-full self-center bg-transparent py-2 text-center text-xs md:inline">
+          <p className="text-muted-foreground hidden w-full self-center bg-transparent py-2 text-center text-xs md:inline">
             {t('tagline')}
           </p>
         </div>
diff --git a/frontend/src/conversation/ConversationBubble.tsx b/frontend/src/conversation/ConversationBubble.tsx
index a894d3ba..eba2b7c8 100644
--- a/frontend/src/conversation/ConversationBubble.tsx
+++ b/frontend/src/conversation/ConversationBubble.tsx
@@ -140,9 +140,9 @@ const ConversationBubble = forwardRef<
                 <div
                   key={index}
                   title={file.fileName}
-                  className="dark:text-bright-gray flex items-center rounded-xl bg-[#EFF3F4] p-2 text-[14px] text-[#5D5D5D] dark:bg-[#393B3D]"
+                  className="dark:text-foreground dark:bg-accent flex items-center rounded-xl bg-[#EFF3F4] p-2 text-[14px] text-[#5D5D5D]"
                 >
-                  <div className="bg-purple-30 mr-2 items-center justify-center rounded-lg p-[5.5px]">
+                  <div className="bg-primary mr-2 items-center justify-center rounded-lg p-[5.5px]">
                     <img
                       src={DocumentationDark}
                       alt="Attachment"
@@ -201,7 +201,7 @@ const ConversationBubble = forwardRef<
                     setIsEditClicked(true);
                     setEditInputBox(message ?? '');
                   }}
-                  className={`hover:bg-light-silver mt-3 flex h-fit shrink-0 cursor-pointer items-center rounded-full p-2 pt-1.5 pl-1.5 dark:hover:bg-[#35363B] ${isEditClicked ? 'visible' : 'invisible group-hover:visible'}`}
+                  className={`hover:bg-accent dark:hover:bg-accent mt-3 flex h-fit shrink-0 cursor-pointer items-center rounded-full p-2 pt-1.5 pl-1.5 ${isEditClicked ? 'visible' : 'invisible group-hover:visible'}`}
                 >
                   <img src={Edit} alt="Edit" className="cursor-pointer" />
                 </button>
@@ -226,17 +226,17 @@ const ConversationBubble = forwardRef<
                 }}
                 rows={5}
                 value={editInputBox}
-                className="border-silver text-carbon dark:border-philippine-grey dark:bg-raisin-black dark:text-chinese-white w-full resize-none rounded-3xl border px-4 py-3 text-base leading-relaxed focus:outline-hidden"
+                className="border-border text-carbon dark:border-philippine-grey dark:text-foreground w-full resize-none rounded-3xl border px-4 py-3 text-base leading-relaxed focus:outline-hidden"
               />
               <div className="flex items-center justify-end gap-2">
                 <button
-                  className="text-purple-30 hover:bg-gainsboro hover:text-chinese-black-2 dark:hover:bg-onyx-2 rounded-full px-4 py-2 text-sm font-semibold transition-colors dark:hover:text-[#B9BCBE]"
+                  className="text-primary hover:bg-muted hover:text-foreground dark:hover:bg-accent dark:hover:text-foreground rounded-full px-4 py-2 text-sm font-semibold transition-colors"
                   onClick={() => setIsEditClicked(false)}
                 >
                   {t('conversation.edit.cancel')}
                 </button>
                 <button
-                  className="bg-purple-30 hover:bg-violets-are-blue dark:hover:bg-royal-purple rounded-full px-4 py-2 text-sm font-medium text-white transition-colors"
+                  className="bg-primary hover:bg-primary/90 dark:hover:bg-primary/90 rounded-full px-4 py-2 text-sm font-medium text-white transition-colors"
                   onClick={handleEditClick}
                 >
                   {t('conversation.edit.update')}
@@ -305,7 +305,7 @@ const ConversationBubble = forwardRef<
     bubble = (
       <div
         ref={ref}
-        className={`flex flex-wrap self-start ${className} group dark:text-bright-gray flex-col`}
+        className={`flex flex-wrap self-start ${className} group dark:text-foreground flex-col`}
       >
         {DisableSourceFE ||
         type === 'ERROR' ||
@@ -332,9 +332,13 @@ const ConversationBubble = forwardRef<
                 <div className="fade-in mr-5 ml-3 max-w-[90vw] md:max-w-[70vw] lg:max-w-[50vw]">
                   <div className="grid grid-cols-2 gap-2 lg:grid-cols-4">
                     {sources?.slice(0, 3)?.map((source, index) => (
-                      <div key={index} id={`source-${index}`} className="relative transition-all duration-300">
+                      <div
+                        key={index}
+                        id={`source-${index}`}
+                        className="relative transition-all duration-300"
+                      >
                         <div
-                          className="bg-gray-1000 dark:bg-gun-metal h-28 cursor-pointer rounded-4xl p-4 hover:bg-[#F1F1F1] dark:hover:bg-[#2C2E3C]"
+                          className="bg-muted hover:bg-accent dark:bg-answer-bubble dark:hover:bg-muted h-28 cursor-pointer rounded-4xl p-4"
                           onMouseOver={() => setActiveTooltip(index)}
                           onMouseOut={() => setActiveTooltip(null)}
                         >
@@ -344,7 +348,7 @@ const ConversationBubble = forwardRef<
                           <div
                             className={`mt-3.5 flex flex-row items-center gap-1.5 underline-offset-2 ${
                               source.link && source.link !== 'local'
-                                ? 'hover:text-[#007DFF] hover:underline dark:hover:text-[#48A0FF]'
+                                ? 'hover:text-[#007DFF] hover:underline dark:hover:text-blue-400'
                                 : ''
                             }`}
                             onClick={() =>
@@ -378,7 +382,7 @@ const ConversationBubble = forwardRef<
                         </div>
                         {activeTooltip === index && (
                           <div
-                            className={`dark:bg-chinese-black dark:text-chinese-silver absolute left-1/2 z-50 max-h-48 w-40 translate-x-[-50%] translate-y-[3px] rounded-xl bg-[#FBFBFB] p-4 text-black shadow-xl sm:w-56`}
+                            className={`dark:bg-card dark:text-foreground absolute left-1/2 z-50 max-h-48 w-40 translate-x-[-50%] translate-y-[3px] rounded-xl bg-[#FBFBFB] p-4 text-black shadow-xl sm:w-56`}
                             onMouseOver={() => setActiveTooltip(index)}
                             onMouseOut={() => setActiveTooltip(null)}
                           >
@@ -391,7 +395,7 @@ const ConversationBubble = forwardRef<
                     ))}
                     {(sources?.length ?? 0) > 3 && (
                       <div
-                        className="bg-gray-1000 text-purple-30 dark:bg-gun-metal flex h-28 cursor-pointer flex-col-reverse rounded-4xl p-4 hover:bg-[#F1F1F1] hover:text-[#6D3ECC] dark:hover:bg-[#2C2E3C] dark:hover:text-[#8C67D7]"
+                        className="bg-muted text-primary hover:bg-accent hover:text-primary dark:bg-answer-bubble dark:hover:bg-muted dark:hover:text-primary flex h-28 cursor-pointer flex-col-reverse rounded-4xl p-4"
                         onClick={() => setIsSidebarOpen(true)}
                       >
                         <p className="ellipsis-text h-22 text-xs">
@@ -469,9 +473,9 @@ const ConversationBubble = forwardRef<
               </p>
             </div>
             <div
-              className={`fade-in-bubble bg-gray-1000 dark:bg-gun-metal mr-5 flex max-w-full rounded-[18px] px-6 py-4.5 ${
+              className={`fade-in-bubble bg-answer-bubble mr-5 flex max-w-full rounded-[18px] px-6 py-4.5 ${
                 type === 'ERROR'
-                  ? 'text-red-3000 dark:border-red-2000 relative flex-row items-center rounded-full border border-transparent bg-[#FFE7E7] p-2 py-5 text-sm font-normal dark:text-white'
+                  ? 'text-destructive/80 dark:border-destructive dark:bg-destructive/15 relative flex-row items-center rounded-full border border-transparent bg-[#FFE7E7] p-2 py-5 text-sm font-normal dark:text-white'
                   : 'flex-col rounded-3xl'
               }`}
             >
@@ -495,11 +499,26 @@ const ConversationBubble = forwardRef<
                                     <button
                                       type="button"
                                       onClick={() => {
-                                        const el = document.getElementById(`source-${sourceIdx}`);
+                                        const el = document.getElementById(
+                                          `source-${sourceIdx}`,
+                                        );
                                         if (el) {
-                                          el.scrollIntoView({ behavior: 'smooth', block: 'center' });
-                                          el.classList.add('ring-2', 'ring-purple-500');
-                                          setTimeout(() => el.classList.remove('ring-2', 'ring-purple-500'), 2000);
+                                          el.scrollIntoView({
+                                            behavior: 'smooth',
+                                            block: 'center',
+                                          });
+                                          el.classList.add(
+                                            'ring-2',
+                                            'ring-purple-500',
+                                          );
+                                          setTimeout(
+                                            () =>
+                                              el.classList.remove(
+                                                'ring-2',
+                                                'ring-purple-500',
+                                              ),
+                                            2000,
+                                          );
                                         }
                                       }}
                                       className="mx-0.5 inline-flex h-5 min-w-5 items-center justify-center rounded-full bg-purple-100 px-1.5 text-xs font-semibold text-purple-700 transition-colors hover:bg-purple-200 dark:bg-purple-900/40 dark:text-purple-300 dark:hover:bg-purple-900/60"
@@ -509,7 +528,15 @@ const ConversationBubble = forwardRef<
                                     </button>
                                   );
                                 }
-                                return <a href={href} target="_blank" rel="noopener noreferrer">{children}</a>;
+                                return (
+                                  <a
+                                    href={href}
+                                    target="_blank"
+                                    rel="noopener noreferrer"
+                                  >
+                                    {children}
+                                  </a>
+                                );
                               },
                               code(props) {
                                 const {
@@ -525,9 +552,9 @@ const ConversationBubble = forwardRef<
                                 const language = match ? match[1] : '';
 
                                 return match ? (
-                                  <div className="group border-light-silver dark:border-raisin-black relative overflow-hidden rounded-[14px] border">
-                                    <div className="bg-platinum dark:bg-eerie-black-2 flex items-center justify-between px-2 py-1">
-                                      <span className="text-just-black dark:text-chinese-white text-xs font-medium">
+                                  <div className="group border-border relative overflow-hidden rounded-[14px] border">
+                                    <div className="bg-platinum flex items-center justify-between px-2 py-1">
+                                      <span className="text-foreground dark:text-foreground text-xs font-medium">
                                         {language}
                                       </span>
                                       <CopyButton
@@ -554,7 +581,7 @@ const ConversationBubble = forwardRef<
                                     </SyntaxHighlighter>
                                   </div>
                                 ) : (
-                                  <code className="dark:bg-independence dark:text-bright-gray rounded-[6px] bg-gray-200 px-2 py-1 text-xs font-normal whitespace-pre-line">
+                                  <code className="dark:bg-accent dark:text-foreground rounded-[6px] bg-gray-200 px-2 py-1 text-xs font-normal whitespace-pre-line">
                                     {children}
                                   </code>
                                 );
@@ -579,8 +606,8 @@ const ConversationBubble = forwardRef<
                               },
                               table({ children }) {
                                 return (
-                                  <div className="border-silver/40 dark:border-silver/40 relative overflow-x-auto rounded-lg border">
-                                    <table className="dark:text-bright-gray w-full text-left text-gray-700">
+                                  <div className="border-silver/40 dark:border-border relative overflow-x-auto rounded-lg border">
+                                    <table className="dark:text-foreground w-full text-left text-gray-700">
                                       {children}
                                     </table>
                                   </div>
@@ -588,14 +615,14 @@ const ConversationBubble = forwardRef<
                               },
                               thead({ children }) {
                                 return (
-                                  <thead className="dark:text-bright-gray bg-gray-50 text-xs text-gray-900 uppercase dark:bg-[#26272E]/50">
+                                  <thead className="bg-muted text-foreground text-xs uppercase">
                                     {children}
                                   </thead>
                                 );
                               },
                               tr({ children }) {
                                 return (
-                                  <tr className="dark:border-silver/40 border-b border-gray-200 odd:bg-white even:bg-gray-50 dark:odd:bg-[#26272E] dark:even:bg-[#26272E]/50">
+                                  <tr className="border-border odd:bg-card even:bg-muted border-b">
                                     {children}
                                   </tr>
                                 );
@@ -691,7 +718,9 @@ const ConversationBubble = forwardRef<
                         <button
                           type="button"
                           onClick={() => {
-                            const blob = new Blob([message], { type: 'text/markdown' });
+                            const blob = new Blob([message], {
+                              type: 'text/markdown',
+                            });
                             const url = URL.createObjectURL(blob);
                             const link = document.createElement('a');
                             link.href = url;
@@ -703,8 +732,17 @@ const ConversationBubble = forwardRef<
                           aria-label="Export as Markdown"
                           title="Export as Markdown"
                         >
-                          <svg className="h-5 w-5 stroke-gray-4000" fill="none" viewBox="0 0 24 24" strokeWidth={1.5}>
-                            <path strokeLinecap="round" strokeLinejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5M16.5 12L12 16.5m0 0L7.5 12m4.5 4.5V3" />
+                          <svg
+                            className="stroke-gray-4000 h-5 w-5"
+                            fill="none"
+                            viewBox="0 0 24 24"
+                            strokeWidth={1.5}
+                          >
+                            <path
+                              strokeLinecap="round"
+                              strokeLinejoin="round"
+                              d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5M16.5 12L12 16.5m0 0L7.5 12m4.5 4.5V3"
+                            />
                           </svg>
                         </button>
                       </div>
@@ -717,7 +755,7 @@ const ConversationBubble = forwardRef<
                         <div className="relative mr-2 flex items-center justify-center">
                           <button
                             type="button"
-                            className="bg-white-3000 dark:hover:bg-purple-taupe flex cursor-pointer items-center justify-center rounded-full p-2 hover:bg-[#EEEEEE] dark:bg-transparent"
+                            className="hover:bg-accent flex cursor-pointer items-center justify-center rounded-full bg-transparent p-2"
                             onClick={() => {
                               if (feedback === 'LIKE') {
                                 handleFeedback?.(null);
@@ -730,7 +768,7 @@ const ConversationBubble = forwardRef<
                             }
                           >
                             <Like
-                              className={`${feedback === 'LIKE' ? 'fill-white-3000 stroke-purple-30 dark:fill-transparent' : 'stroke-gray-4000 fill-none'}`}
+                              className={`${feedback === 'LIKE' ? 'stroke-primary fill-white dark:fill-transparent' : 'stroke-muted-foreground fill-none'}`}
                             ></Like>
                           </button>
                         </div>
@@ -738,7 +776,7 @@ const ConversationBubble = forwardRef<
                         <div className="relative mr-2 flex items-center justify-center">
                           <button
                             type="button"
-                            className="bg-white-3000 dark:hover:bg-purple-taupe flex cursor-pointer items-center justify-center rounded-full p-2 hover:bg-[#EEEEEE] dark:bg-transparent"
+                            className="hover:bg-accent flex cursor-pointer items-center justify-center rounded-full bg-transparent p-2"
                             onClick={() => {
                               if (feedback === 'DISLIKE') {
                                 handleFeedback?.(null);
@@ -753,7 +791,7 @@ const ConversationBubble = forwardRef<
                             }
                           >
                             <Dislike
-                              className={`${feedback === 'DISLIKE' ? 'fill-white-3000 stroke-red-2000 dark:fill-transparent' : 'stroke-gray-4000 fill-none'}`}
+                              className={`${feedback === 'DISLIKE' ? 'stroke-destructive fill-white dark:fill-transparent' : 'stroke-muted-foreground fill-none'}`}
                             ></Dislike>
                           </button>
                         </div>
@@ -806,7 +844,7 @@ function AllSources(sources: AllSourcesProps) {
           return (
             <div
               key={index}
-              className={`group/card bg-gray-1000 relative w-full rounded-4xl p-4 transition-colors hover:bg-[#F1F1F1] dark:bg-[#28292E] dark:hover:bg-[#2C2E3C] ${
+              className={`group/card bg-muted hover:bg-accent dark:bg-card dark:hover:bg-muted relative w-full rounded-4xl p-4 transition-colors ${
                 isExternalSource ? 'cursor-pointer' : ''
               }`}
               onClick={() =>
@@ -817,7 +855,7 @@ function AllSources(sources: AllSourcesProps) {
                 title={source.title}
                 className={`ellipsis-text text-left text-sm font-semibold wrap-break-word ${
                   isExternalSource
-                    ? 'group-hover/card:text-purple-30 dark:group-hover/card:text-[#8C67D7]'
+                    ? 'group-hover/card:text-primary dark:group-hover/card:text-[#8C67D7]'
                     : ''
                 }`}
               >
@@ -834,7 +872,7 @@ function AllSources(sources: AllSourcesProps) {
                   />
                 )}
               </p>
-              <p className="dark:text-chinese-silver mt-3 line-clamp-4 rounded-md text-left text-xs wrap-break-word text-black">
+              <p className="dark:text-foreground mt-3 line-clamp-4 rounded-md text-left text-xs wrap-break-word text-black">
                 {source.text}
               </p>
             </div>
@@ -850,105 +888,105 @@ function ToolCalls({ toolCalls }: { toolCalls: ToolCallsType[] }) {
   const [isToolCallsOpen, setIsToolCallsOpen] = useState(false);
 
   return (
-		<div className="mb-4 flex w-full flex-col flex-wrap items-start self-start lg:flex-nowrap">
-        <div className="my-2 flex flex-row items-center justify-center gap-3">
-          <Avatar
-            className="h-[26px] w-[30px] text-xl"
-            avatar={
-              <img
-                src={Sources}
-                alt={'ToolCalls'}
-                className="h-full w-full object-fill"
-              />
-            }
-          />
-          <button
-            className="flex flex-row items-center gap-2"
-            onClick={() => setIsToolCallsOpen(!isToolCallsOpen)}
-          >
-            <p className="text-base font-semibold">Tool Calls</p>
+    <div className="mb-4 flex w-full flex-col flex-wrap items-start self-start lg:flex-nowrap">
+      <div className="my-2 flex flex-row items-center justify-center gap-3">
+        <Avatar
+          className="h-[26px] w-[30px] text-xl"
+          avatar={
             <img
-              src={ChevronDown}
-              alt="ChevronDown"
-              className={`h-4 w-4 transform transition-transform duration-200 dark:invert ${isToolCallsOpen ? 'rotate-180' : ''}`}
+              src={Sources}
+              alt={'ToolCalls'}
+              className="h-full w-full object-fill"
             />
-          </button>
-        </div>
-        {isToolCallsOpen && (
-          <div className="fade-in mr-5 ml-3 w-[90vw] md:w-[70vw] lg:w-full">
-            <div className="grid grid-cols-1 gap-2">
-              {toolCalls.map((toolCall, index) => (
-                <Accordion
-                  key={`tool-call-${index}`}
-                  title={`${toolCall.tool_name}  -  ${toolCall.action_name.substring(0, toolCall.action_name.lastIndexOf('_'))}`}
-                  className="bg-gray-1000 dark:bg-gun-metal w-full rounded-4xl hover:bg-[#F1F1F1] dark:hover:bg-[#2C2E3C]"
-                  titleClassName="px-6 py-2 text-sm font-semibold"
-                >
-                  <div className="flex flex-col gap-1">
-                    <div className="border-silver dark:border-silver/20 flex flex-col rounded-2xl border">
-                      <p className="dark:bg-eerie-black-2 flex flex-row items-center justify-between rounded-t-2xl bg-black/10 px-2 py-1 text-sm font-semibold wrap-break-word">
-                        <span style={{ fontFamily: 'IBMPlexMono-Medium' }}>
-                          Arguments
-                        </span>{' '}
-                        <CopyButton
-                          textToCopy={JSON.stringify(toolCall.arguments, null, 2)}
-                        />
-                      </p>
-                      <p className="dark:tex dark:bg-raisin-black rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
+          }
+        />
+        <button
+          className="flex flex-row items-center gap-2"
+          onClick={() => setIsToolCallsOpen(!isToolCallsOpen)}
+        >
+          <p className="text-base font-semibold">Tool Calls</p>
+          <img
+            src={ChevronDown}
+            alt="ChevronDown"
+            className={`h-4 w-4 transform transition-transform duration-200 dark:invert ${isToolCallsOpen ? 'rotate-180' : ''}`}
+          />
+        </button>
+      </div>
+      {isToolCallsOpen && (
+        <div className="fade-in mr-5 ml-3 w-[90vw] md:w-[70vw] lg:w-full">
+          <div className="grid grid-cols-1 gap-2">
+            {toolCalls.map((toolCall, index) => (
+              <Accordion
+                key={`tool-call-${index}`}
+                title={`${toolCall.tool_name}  -  ${toolCall.action_name.substring(0, toolCall.action_name.lastIndexOf('_'))}`}
+                className="bg-muted dark:bg-answer-bubble w-full rounded-4xl"
+                titleClassName="px-6 py-2 text-sm font-semibold"
+              >
+                <div className="flex flex-col gap-1">
+                  <div className="border-border flex flex-col rounded-2xl border">
+                    <p className="dark:bg-background flex flex-row items-center justify-between rounded-t-2xl bg-black/10 px-2 py-1 text-sm font-semibold wrap-break-word">
+                      <span style={{ fontFamily: 'IBMPlexMono-Medium' }}>
+                        Arguments
+                      </span>{' '}
+                      <CopyButton
+                        textToCopy={JSON.stringify(toolCall.arguments, null, 2)}
+                      />
+                    </p>
+                    <p className="dark:bg-card rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
+                      <span
+                        className="dark:text-muted-foreground leading-[23px] text-black"
+                        style={{ fontFamily: 'IBMPlexMono-Medium' }}
+                      >
+                        {JSON.stringify(toolCall.arguments, null, 2)}
+                      </span>
+                    </p>
+                  </div>
+                  <div className="border-border flex flex-col rounded-2xl border">
+                    <p className="dark:bg-background flex flex-row items-center justify-between rounded-t-2xl bg-black/10 px-2 py-1 text-sm font-semibold wrap-break-word">
+                      <span style={{ fontFamily: 'IBMPlexMono-Medium' }}>
+                        Response
+                      </span>{' '}
+                      <CopyButton
+                        textToCopy={
+                          toolCall.status === 'error'
+                            ? toolCall.error || 'Unknown error'
+                            : JSON.stringify(toolCall.result, null, 2)
+                        }
+                      />
+                    </p>
+                    {toolCall.status === 'pending' && (
+                      <span className="dark:bg-card flex w-full items-center justify-center rounded-b-2xl p-2">
+                        <Spinner size="small" />
+                      </span>
+                    )}
+                    {toolCall.status === 'completed' && (
+                      <p className="dark:bg-card rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
                         <span
-                          className="leading-[23px] text-black dark:text-gray-400"
+                          className="dark:text-muted-foreground leading-[23px] text-black"
                           style={{ fontFamily: 'IBMPlexMono-Medium' }}
                         >
-                          {JSON.stringify(toolCall.arguments, null, 2)}
+                          {JSON.stringify(toolCall.result, null, 2)}
                         </span>
                       </p>
-                    </div>
-                    <div className="border-silver dark:border-silver/20 flex flex-col rounded-2xl border">
-                      <p className="dark:bg-eerie-black-2 flex flex-row items-center justify-between rounded-t-2xl bg-black/10 px-2 py-1 text-sm font-semibold wrap-break-word">
-                        <span style={{ fontFamily: 'IBMPlexMono-Medium' }}>
-                          Response
-                        </span>{' '}
-                        <CopyButton
-                          textToCopy={
-                            toolCall.status === 'error'
-                              ? toolCall.error || 'Unknown error'
-                              : JSON.stringify(toolCall.result, null, 2)
-                          }
-                        />
-                      </p>
-                      {toolCall.status === 'pending' && (
-                        <span className="dark:bg-raisin-black flex w-full items-center justify-center rounded-b-2xl p-2">
-                          <Spinner size="small" />
+                    )}
+                    {toolCall.status === 'error' && (
+                      <p className="dark:bg-card rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
+                        <span
+                          className="leading-[23px] text-red-500 dark:text-red-400"
+                          style={{ fontFamily: 'IBMPlexMono-Medium' }}
+                        >
+                          {toolCall.error}
                         </span>
-                      )}
-                      {toolCall.status === 'completed' && (
-                        <p className="dark:bg-raisin-black rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
-                          <span
-                            className="leading-[23px] text-black dark:text-gray-400"
-                            style={{ fontFamily: 'IBMPlexMono-Medium' }}
-                          >
-                            {JSON.stringify(toolCall.result, null, 2)}
-                          </span>
-                        </p>
-                      )}
-                      {toolCall.status === 'error' && (
-                        <p className="dark:bg-raisin-black rounded-b-2xl p-2 font-mono text-sm wrap-break-word">
-                          <span
-                            className="leading-[23px] text-red-500 dark:text-red-400"
-                            style={{ fontFamily: 'IBMPlexMono-Medium' }}
-                          >
-                            {toolCall.error}
-                          </span>
-                        </p>
-                      )}
-                    </div>
+                      </p>
+                    )}
                   </div>
-                </Accordion>
-              ))}
-            </div>
+                </div>
+              </Accordion>
+            ))}
           </div>
-        )}
-		</div>
+        </div>
+      )}
+    </div>
   );
 }
 
@@ -992,7 +1030,7 @@ function Thought({
       </div>
       {isThoughtOpen && (
         <div className="fade-in mr-5 ml-2 max-w-[90vw] md:max-w-[70vw] lg:max-w-[50vw]">
-          <div className="bg-gray-1000 dark:bg-gun-metal rounded-[28px] px-7 py-[18px]">
+          <div className="bg-muted dark:bg-answer-bubble rounded-[28px] px-7 py-[18px]">
             <ReactMarkdown
               className="fade-in leading-normal wrap-break-word whitespace-pre-wrap"
               remarkPlugins={[remarkGfm, remarkMath]}
@@ -1004,9 +1042,9 @@ function Thought({
                   const language = match ? match[1] : '';
 
                   return match ? (
-                    <div className="group border-light-silver dark:border-raisin-black relative overflow-hidden rounded-[14px] border">
-                      <div className="bg-platinum dark:bg-eerie-black-2 flex items-center justify-between px-2 py-1">
-                        <span className="text-just-black dark:text-chinese-white text-xs font-medium">
+                    <div className="group border-border relative overflow-hidden rounded-[14px] border">
+                      <div className="bg-platinum flex items-center justify-between px-2 py-1">
+                        <span className="text-foreground dark:text-foreground text-xs font-medium">
                           {language}
                         </span>
                         <CopyButton
@@ -1028,7 +1066,7 @@ function Thought({
                       </SyntaxHighlighter>
                     </div>
                   ) : (
-                    <code className="dark:bg-independence dark:text-bright-gray rounded-[6px] bg-gray-200 px-2 py-1 text-xs font-normal whitespace-pre-line">
+                    <code className="dark:bg-accent dark:text-foreground rounded-[6px] bg-gray-200 px-2 py-1 text-xs font-normal whitespace-pre-line">
                       {children}
                     </code>
                   );
@@ -1049,8 +1087,8 @@ function Thought({
                 },
                 table({ children }) {
                   return (
-                    <div className="border-silver/40 dark:border-silver/40 relative overflow-x-auto rounded-lg border">
-                      <table className="dark:text-bright-gray w-full text-left text-gray-700">
+                    <div className="border-silver/40 dark:border-border relative overflow-x-auto rounded-lg border">
+                      <table className="dark:text-foreground w-full text-left text-gray-700">
                         {children}
                       </table>
                     </div>
@@ -1058,14 +1096,14 @@ function Thought({
                 },
                 thead({ children }) {
                   return (
-                    <thead className="dark:text-bright-gray bg-gray-50 text-xs text-gray-900 uppercase dark:bg-[#26272E]/50">
+                    <thead className="bg-muted text-foreground text-xs uppercase">
                       {children}
                     </thead>
                   );
                 },
                 tr({ children }) {
                   return (
-                    <tr className="dark:border-silver/40 border-b border-gray-200 odd:bg-white even:bg-gray-50 dark:odd:bg-[#26272E] dark:even:bg-[#26272E]/50">
+                    <tr className="border-border odd:bg-card even:bg-muted border-b">
                       {children}
                     </tr>
                   );
diff --git a/frontend/src/conversation/ConversationMessages.tsx b/frontend/src/conversation/ConversationMessages.tsx
index 1d9fd6b6..58561f32 100644
--- a/frontend/src/conversation/ConversationMessages.tsx
+++ b/frontend/src/conversation/ConversationMessages.tsx
@@ -168,7 +168,7 @@ export default function ConversationMessages({
     if (query.error) {
       const retryButton = (
         <button
-          className="dark:text-bright-gray flex items-center justify-center gap-3 self-center rounded-full px-5 py-3 text-lg text-gray-500 transition-colors delay-100 hover:border-gray-500 disabled:cursor-not-allowed"
+          className="dark:text-foreground flex items-center justify-center gap-3 self-center rounded-full px-5 py-3 text-lg text-gray-500 transition-colors delay-100 hover:border-gray-500 disabled:cursor-not-allowed"
           disabled={status === 'loading'}
           onClick={() => {
             const questionToRetry = queries[index].prompt;
@@ -241,7 +241,7 @@ export default function ConversationMessages({
             scrollConversationToBottom();
           }}
           aria-label={t('Scroll to bottom') || 'Scroll to bottom'}
-          className="border-gray-alpha bg-opacity-50 dark:bg-gunmetal md:bg-opacity-100 fixed right-14 bottom-40 z-10 flex h-7 w-7 items-center justify-center rounded-full border-[0.5px] bg-gray-100 md:h-9 md:w-9"
+          className="border-border bg-card fixed right-14 bottom-40 z-10 flex h-7 w-7 items-center justify-center rounded-full border md:h-9 md:w-9"
         >
           <img
             src={ArrowDown}
diff --git a/frontend/src/conversation/ConversationTile.tsx b/frontend/src/conversation/ConversationTile.tsx
index d69e40e9..7ef329f5 100644
--- a/frontend/src/conversation/ConversationTile.tsx
+++ b/frontend/src/conversation/ConversationTile.tsx
@@ -192,9 +192,9 @@ export default function ConversationTile({
           conversationId !== conversation.id &&
             selectConversation(conversation.id);
         }}
-        className={`hover:bg-bright-gray dark:hover:bg-dark-charcoal mx-4 my-auto mt-4 flex h-9 cursor-pointer items-center justify-between gap-4 rounded-3xl pl-4 ${
+        className={`hover:bg-sidebar-accent mx-4 my-auto mt-4 flex h-9 cursor-pointer items-center justify-between gap-4 rounded-3xl pl-4 ${
           conversationId === conversation.id || isOpen || isHovered || isEdit
-            ? 'bg-bright-gray dark:bg-dark-charcoal'
+            ? 'bg-sidebar-accent'
             : ''
         }`}
       >
@@ -203,19 +203,22 @@ export default function ConversationTile({
             <input
               autoFocus
               type="text"
-              className="h-6 w-full bg-transparent px-1 text-sm leading-6 rounded-2xl font-normal outline-none"
+              className="h-6 w-full rounded-2xl bg-transparent px-1 text-sm leading-6 font-normal outline-none"
               value={conversationName}
               onChange={(e) => setConversationsName(e.target.value)}
               onKeyDown={handleRenameKeyDown}
             />
           ) : (
-            <p className="text-eerie-black dark:text-bright-gray my-auto overflow-hidden text-sm leading-6 font-normal text-ellipsis whitespace-nowrap">
+            <p className="text-foreground dark:text-foreground my-auto overflow-hidden text-sm leading-6 font-normal text-ellipsis whitespace-nowrap">
               {conversationName}
             </p>
           )}
         </div>
         {(conversationId === conversation.id || isHovered || isOpen) && (
-          <div className="dark:text-sonic-silver flex text-white" ref={menuRef}>
+          <div
+            className="dark:text-muted-foreground flex text-white"
+            ref={menuRef}
+          >
             {isEdit ? (
               <div className="flex gap-1">
                 <img
@@ -248,7 +251,7 @@ export default function ConversationTile({
                   event.stopPropagation();
                   setOpen(!isOpen);
                 }}
-                className="mr-2 flex h-6 w-6 items-center justify-center rounded-full transition-colors duration-200 hover:bg-gray-200 dark:hover:bg-gray-700"
+                className="hover:bg-accent dark:hover:bg-accent mr-2 flex h-6 w-6 items-center justify-center rounded-full transition-colors duration-200"
               >
                 <img src={threeDots} width={8} alt="menu" />
               </button>
diff --git a/frontend/src/conversation/ResearchProgress.tsx b/frontend/src/conversation/ResearchProgress.tsx
index cce6ca0b..a73594bd 100644
--- a/frontend/src/conversation/ResearchProgress.tsx
+++ b/frontend/src/conversation/ResearchProgress.tsx
@@ -4,15 +4,36 @@ import Avatar from '../components/Avatar';
 import { ResearchState } from './conversationModels';
 
 const SmallCheck = () => (
-  <svg className="h-3 w-3 text-green-500" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={3}>
+  <svg
+    className="h-3 w-3 text-green-500"
+    fill="none"
+    viewBox="0 0 24 24"
+    stroke="currentColor"
+    strokeWidth={3}
+  >
     <path strokeLinecap="round" strokeLinejoin="round" d="M5 13l4 4L19 7" />
   </svg>
 );
 
 const SmallSpinner = () => (
-  <svg className="h-3 w-3 animate-spin text-purple-500" fill="none" viewBox="0 0 24 24">
-    <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
-    <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z" />
+  <svg
+    className="h-3 w-3 animate-spin text-purple-500"
+    fill="none"
+    viewBox="0 0 24 24"
+  >
+    <circle
+      className="opacity-25"
+      cx="12"
+      cy="12"
+      r="10"
+      stroke="currentColor"
+      strokeWidth="4"
+    />
+    <path
+      className="opacity-75"
+      fill="currentColor"
+      d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"
+    />
   </svg>
 );
 
@@ -32,7 +53,9 @@ function StatusText({ status, elapsed }: { status: string; elapsed?: number }) {
     <span className="text-xs text-gray-500 dark:text-gray-400">
       {status === 'complete' ? (
         <>
-          <span className="text-green-600 dark:text-green-400">{labels.complete}</span>
+          <span className="text-green-600 dark:text-green-400">
+            {labels.complete}
+          </span>
           {elapsed_str}
         </>
       ) : (
@@ -62,13 +85,15 @@ export default function ResearchProgress({
 
   if (!plan && !status) return null;
 
-  const completedSteps = plan?.filter((s) => s.status === 'complete').length ?? 0;
+  const completedSteps =
+    plan?.filter((s) => s.status === 'complete').length ?? 0;
   const totalSteps = plan?.length ?? 0;
 
   // Collapsed: single-line summary
-  const summaryText = totalSteps > 0
-    ? `Researched ${completedSteps} topic${completedSteps !== 1 ? 's' : ''}`
-    : 'Research';
+  const summaryText =
+    totalSteps > 0
+      ? `Researched ${completedSteps} topic${completedSteps !== 1 ? 's' : ''}`
+      : 'Research';
 
   return (
     <div className="mb-4 flex w-full flex-col flex-wrap items-start self-start lg:flex-nowrap">
@@ -93,9 +118,16 @@ export default function ResearchProgress({
           </p>
           <svg
             className={`h-4 w-4 text-gray-500 transition-transform duration-200 dark:text-gray-400 ${isExpanded ? 'rotate-180' : ''}`}
-            fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}
+            fill="none"
+            viewBox="0 0 24 24"
+            stroke="currentColor"
+            strokeWidth={2}
           >
-            <path strokeLinecap="round" strokeLinejoin="round" d="M19 9l-7 7-7-7" />
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              d="M19 9l-7 7-7-7"
+            />
           </svg>
         </button>
         {status && <StatusText status={status} elapsed={elapsed_seconds} />}
@@ -126,13 +158,15 @@ export default function ResearchProgress({
                   </div>
                   {/* Step content */}
                   <div className={`pb-3 ${isLast ? '' : ''}`}>
-                    <p className={`text-sm ${
-                      step.status === 'complete'
-                        ? 'text-gray-700 dark:text-gray-300'
-                        : step.status === 'researching'
-                          ? 'font-medium text-purple-700 dark:text-purple-300'
-                          : 'text-gray-500 dark:text-gray-500'
-                    }`}>
+                    <p
+                      className={`text-sm ${
+                        step.status === 'complete'
+                          ? 'text-gray-700 dark:text-gray-300'
+                          : step.status === 'researching'
+                            ? 'font-medium text-purple-700 dark:text-purple-300'
+                            : 'text-gray-500 dark:text-gray-500'
+                      }`}
+                    >
                       {step.query}
                     </p>
                   </div>
diff --git a/frontend/src/conversation/SharedConversation.tsx b/frontend/src/conversation/SharedConversation.tsx
index cd68df64..556f18f7 100644
--- a/frontend/src/conversation/SharedConversation.tsx
+++ b/frontend/src/conversation/SharedConversation.tsx
@@ -138,18 +138,18 @@ export const SharedConversation = () => {
         twitterTitle={title}
         twitterDescription="Shared conversations with DocsGPT"
       />
-      <div className="dark:bg-raisin-black flex h-full flex-col items-center justify-between gap-2 overflow-y-hidden">
+      <div className="bg-background flex h-full flex-col items-center justify-between gap-2 overflow-y-hidden">
         <div className="dark:border-b-silver w-full max-w-[1200px] border-b p-2 md:w-9/12 lg:w-8/12 xl:w-8/12 2xl:w-6/12">
-          <h1 className="font-semi-bold text-chinese-black dark:text-chinese-silver text-4xl">
+          <h1 className="font-semi-bold text-foreground dark:text-foreground text-4xl">
             {title}
           </h1>
-          <h2 className="font-semi-bold text-chinese-black dark:text-chinese-silver text-base">
+          <h2 className="font-semi-bold text-foreground dark:text-foreground text-base">
             {t('sharedConv.subtitle')}{' '}
             <a href="/" className="text-[#007DFF]">
               DocsGPT
             </a>
           </h2>
-          <h2 className="font-semi-bold text-chinese-black dark:text-chinese-silver text-base">
+          <h2 className="font-semi-bold text-foreground dark:text-foreground text-base">
             {date}
           </h2>
         </div>
@@ -174,13 +174,13 @@ export const SharedConversation = () => {
           ) : (
             <button
               onClick={() => navigate('/')}
-              className="bg-purple-30 hover:bg-violets-are-blue mb-14 w-fit rounded-full px-5 py-3 text-white shadow-xl transition-colors duration-200 sm:mb-0"
+              className="bg-primary hover:bg-primary/90 mb-14 w-fit rounded-full px-5 py-3 text-white shadow-xl transition-colors duration-200 sm:mb-0"
             >
               {t('sharedConv.button')}
             </button>
           )}
 
-          <p className="text-gray-4000 dark:text-sonic-silver hidden w-screen self-center bg-transparent py-2 text-center text-xs md:inline md:w-full">
+          <p className="text-muted-foreground hidden w-screen self-center bg-transparent py-2 text-center text-xs md:inline md:w-full">
             {t('sharedConv.meta')}
           </p>
         </div>
diff --git a/frontend/src/conversation/conversationSlice.ts b/frontend/src/conversation/conversationSlice.ts
index ca2e2cbc..bc234de8 100644
--- a/frontend/src/conversation/conversationSlice.ts
+++ b/frontend/src/conversation/conversationSlice.ts
@@ -427,7 +427,10 @@ export const conversationSlice = createSlice({
             status: 'pending',
           });
         }
-        if (progress.status === 'researching' || progress.status === 'complete') {
+        if (
+          progress.status === 'researching' ||
+          progress.status === 'complete'
+        ) {
           research.plan[stepIndex].status = progress.status;
         }
         if (progress.query) {
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 8daff385..a2b64818 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -17,12 +17,9 @@ layer(base);
   --color-gray-1000: #f6f6f6;
   --color-gray-2000: rgba(0, 0, 0, 0.5);
   --color-gray-3000: rgba(243, 243, 243, 1);
-  --color-gray-4000: #949494;
   --color-gray-5000: #bbbbbb;
   --color-gray-6000: #757575;
   --color-red-1000: rgb(254, 202, 202);
-  --color-red-2000: #f44336;
-  --color-red-3000: #621b16;
   --color-blue-1000: #7d54d1;
   --color-blue-2000: #002b49;
   --color-blue-3000: #4b02e2;
@@ -32,7 +29,6 @@ layer(base);
   --color-blue-5000: rgba(0, 125, 255);
   --color-green-2000: #0fff50;
   --color-light-gray: #edeef0;
-  --color-white-3000: #ffffff;
   --color-just-black: #00000;
   --color-purple-taupe: #464152;
   --color-dove-gray: #6c6c6c;
@@ -57,7 +53,6 @@ layer(base);
   --color-charleston-green-2: #26272e;
   --color-charleston-green-3: #26272a;
   --color-grey: #7e7e7e;
-  --color-lotion: #fbfbfb;
   --color-platinum: #e6e6e6;
   --color-eerie-black-2: #191919;
   --color-light-silver: #d9d9d9;
@@ -69,15 +64,11 @@ layer(base);
   --color-onyx-2: #35383c;
   --color-philippine-grey: #929292;
   --color-charcoal-grey: #53545d;
-  --color-rosso-corsa: #d30000;
   --color-north-texas-green: #0c9d35;
   --color-medium-purple: #8d66dd;
   --color-slate-blue: #6f5fca;
-  --color-old-silver: #848484;
-  --color-arsenic: #4d4e58;
   --color-light-gainsboro: #d7d7d7;
   --color-raisin-black-light: #18181b;
-  --color-gunmetal: #32333b;
   --color-sonic-silver-light: #7f7f82;
   --color-violets-are-blue: #976af3;
 }
@@ -201,7 +192,7 @@ layer(base);
 }
 
 @utility table-default {
-  @apply border-silver dark:border-silver/40 dark:text-bright-gray block w-full table-auto justify-center overflow-auto rounded-xl border text-center;
+  @apply border-border text-foreground block w-full table-auto justify-center overflow-auto rounded-xl border text-center;
 
   & th {
     @apply p-4 font-normal text-nowrap text-gray-400;
@@ -216,7 +207,7 @@ layer(base);
   }
 
   & td {
-    @apply border-silver dark:border-silver/40 w-full border-t px-4 py-2;
+    @apply border-border w-full border-t px-4 py-2;
   }
 
   & td:last-child {
@@ -262,7 +253,7 @@ layer(base);
   }
 
   body.dark {
-    background-color: #202124; /* raisin-black */
+    background-color: var(--background);
   }
   ::-webkit-scrollbar {
     width: 6px;
@@ -868,6 +859,7 @@ Avoid over-scrolling in mobile browsers
   --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
   --color-sidebar-border: var(--sidebar-border);
   --color-sidebar-ring: var(--sidebar-ring);
+  --color-answer-bubble: var(--answer-bubble);
 }
 
 /*
@@ -876,37 +868,38 @@ Avoid over-scrolling in mobile browsers
 
 :root {
   --radius: 0.625rem;
-  --background: oklch(1 0 0);
-  --foreground: oklch(0.145 0 0);
-  --card: oklch(1 0 0);
-  --card-foreground: oklch(0.145 0 0);
-  --popover: oklch(1 0 0);
-  --popover-foreground: oklch(0.145 0 0);
-  --primary: oklch(0.554 0.185 294.8);          /* purple-30 #7d54d1 */
-  --primary-foreground: oklch(0.985 0 0);
-  --secondary: oklch(0.914 0.035 300.2);        /* purple-3000 - light purple */
-  --secondary-foreground: oklch(0.554 0.185 294.8);
-  --muted: oklch(0.97 0 0);
-  --muted-foreground: oklch(0.556 0 0);
-  --accent: oklch(0.914 0.035 300.2);            /* purple-3000 - light purple hover */
-  --accent-foreground: oklch(0.205 0 0);
-  --destructive: oklch(0.577 0.245 27.325);
-  --border: oklch(0.922 0 0);
-  --input: oklch(0.870 0 0);                    /* neutral gray border */
-  --ring: oklch(0.554 0.185 294.8);              /* purple-30 focus ring */
+  --background: #ffffff;
+  --foreground: #171717;
+  --card: #ffffff;
+  --card-foreground: #171717;
+  --popover: #ffffff;
+  --popover-foreground: #171717;
+  --primary: #7d54d1;
+  --primary-foreground: #ffffff;
+  --secondary: #f4f4f4;
+  --secondary-foreground: #7d54d1;
+  --muted: #f6f6f6;
+  --muted-foreground: #737373;
+  --accent: #ececec;
+  --accent-foreground: #171717;
+  --destructive: #ef4444;
+  --border: #d9d9d9;
+  --input: #d9d9d9;
+  --ring: #7d54d1;
   --chart-1: oklch(0.646 0.222 41.116);
   --chart-2: oklch(0.6 0.118 184.704);
   --chart-3: oklch(0.398 0.07 227.392);
   --chart-4: oklch(0.828 0.189 84.429);
   --chart-5: oklch(0.769 0.188 70.08);
-  --sidebar: oklch(0.985 0 0);
-  --sidebar-foreground: oklch(0.145 0 0);
-  --sidebar-primary: oklch(0.554 0.185 294.8);   /* purple-30 */
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.914 0.035 300.2);    /* purple-3000 */
-  --sidebar-accent-foreground: oklch(0.205 0 0);
-  --sidebar-border: oklch(0.922 0 0);
-  --sidebar-ring: oklch(0.554 0.185 294.8);      /* purple-30 */
+  --sidebar: #fbfbfb;
+  --sidebar-foreground: #171717;
+  --sidebar-primary: #7d54d1;
+  --sidebar-primary-foreground: #ffffff;
+  --sidebar-accent: #ececec;
+  --sidebar-accent-foreground: #171717;
+  --sidebar-border: #d9d9d9;
+  --sidebar-ring: #7d54d1;
+  --answer-bubble: #f6f6f6;
 }
 
 /*
@@ -914,37 +907,38 @@ Avoid over-scrolling in mobile browsers
 */
 
 .dark {
-  --background: oklch(0.145 0 0);
-  --foreground: oklch(0.985 0 0);
-  --card: oklch(0.205 0 0);
-  --card-foreground: oklch(0.985 0 0);
-  --popover: oklch(0.205 0 0);
-  --popover-foreground: oklch(0.985 0 0);
-  --primary: oklch(0.636 0.197 295.4);           /* violets-are-blue #976af3 */
-  --primary-foreground: oklch(0.985 0 0);
-  --secondary: oklch(0.269 0.03 295.0);          /* dark muted purple */
-  --secondary-foreground: oklch(0.867 0.052 300.1);
-  --muted: oklch(0.269 0 0);
-  --muted-foreground: oklch(0.708 0 0);
-  --accent: oklch(0.269 0.04 295.0);              /* dark purple hover */
-  --accent-foreground: oklch(0.985 0 0);
-  --destructive: oklch(0.704 0.191 22.216);
-  --border: oklch(1 0 0 / 10%);
-  --input: oklch(1 0 0 / 15%);
-  --ring: oklch(0.636 0.197 295.4);               /* violets-are-blue focus ring */
+  --background: #222327;
+  --foreground: #fafafa;
+  --card: #2b2c31;
+  --card-foreground: #fafafa;
+  --popover: #2b2c31;
+  --popover-foreground: #fafafa;
+  --primary: #976af3;
+  --primary-foreground: #ffffff;
+  --secondary: #2b2c31;
+  --secondary-foreground: #e0e0e0;
+  --muted: #35363b;
+  --muted-foreground: #a1a1a1;
+  --accent: #3e3f45;
+  --accent-foreground: #fafafa;
+  --destructive: #dc2626;
+  --border: #44454c;
+  --input: #44454c;
+  --ring: #976af3;
   --chart-1: oklch(0.488 0.243 264.376);
   --chart-2: oklch(0.696 0.17 162.48);
   --chart-3: oklch(0.769 0.188 70.08);
   --chart-4: oklch(0.627 0.265 303.9);
   --chart-5: oklch(0.645 0.246 16.439);
-  --sidebar: oklch(0.205 0 0);
-  --sidebar-foreground: oklch(0.985 0 0);
-  --sidebar-primary: oklch(0.636 0.197 295.4);   /* violets-are-blue */
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.269 0.04 295.0);     /* dark purple */
-  --sidebar-accent-foreground: oklch(0.985 0 0);
-  --sidebar-border: oklch(1 0 0 / 10%);
-  --sidebar-ring: oklch(0.636 0.197 295.4);      /* violets-are-blue */
+  --sidebar: #161616;
+  --sidebar-foreground: #fafafa;
+  --sidebar-primary: #976af3;
+  --sidebar-primary-foreground: #ffffff;
+  --sidebar-accent: #222327;
+  --sidebar-accent-foreground: #fafafa;
+  --sidebar-border: #2b2c31;
+  --sidebar-ring: #976af3;
+  --answer-bubble: #2e303e;
 }
 
 /*
diff --git a/frontend/src/locale/de.json b/frontend/src/locale/de.json
index 9f43f9ee..eba0006b 100644
--- a/frontend/src/locale/de.json
+++ b/frontend/src/locale/de.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "Hier kannst du alle verfügbaren Quelldateien verwalten, die dir zur Verfügung stehen und die du hochgeladen hast.",
+      "subtitle": "Dokumente und Wissensquellen hochladen und verwalten, die deine Antworten antreiben",
       "label": "Quellen",
       "name": "Quellenname",
       "date": "Vektor-Datum",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "Analytik",
+      "subtitle": "Nachrichtenvolumen, Token-Verbrauch und Nutzerfeedback in deinem Konto verfolgen",
       "filterByChatbot": "Nach Chatbot filtern",
       "selectChatbot": "Chatbot auswählen",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "Protokolle",
+      "subtitle": "API-Aufrufe und Konversationsprotokolle einsehen und überwachen",
       "filterByChatbot": "Nach Chatbot filtern",
       "selectChatbot": "Chatbot auswählen",
       "none": "Keine",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "Werkzeuge",
+      "subtitle": "Werkzeuge und Integrationen durchsuchen, verbinden und konfigurieren, die deine Agenten antreiben",
       "searchPlaceholder": "Werkzeuge suchen...",
       "addTool": "Werkzeug hinzufügen",
       "noToolsFound": "Keine Werkzeuge gefunden",
diff --git a/frontend/src/locale/en.json b/frontend/src/locale/en.json
index 1dd8c1ae..780eef13 100644
--- a/frontend/src/locale/en.json
+++ b/frontend/src/locale/en.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "Here you can manage all of the source file that are available to you and those you have uploaded.",
+      "subtitle": "Upload and manage the documents and knowledge sources used to power your responses",
       "label": "Sources",
       "name": "Source Name",
       "date": "Vector Date",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "Analytics",
+      "subtitle": "Track message volume, token usage, and user feedback across your account",
       "filterByChatbot": "Filter by chatbot",
       "selectChatbot": "Select chatbot",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "Logs",
+      "subtitle": "View and monitor API calls and conversation logs",
       "filterByChatbot": "Filter by chatbot",
       "selectChatbot": "Select chatbot",
       "none": "None",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "Tools",
+      "subtitle": "Browse, connect, and configure the tools and integrations that power your agents",
       "searchPlaceholder": "Search tools...",
       "addTool": "Add Tool",
       "noToolsFound": "No tools found",
diff --git a/frontend/src/locale/es.json b/frontend/src/locale/es.json
index f365dd33..adfb4cdf 100644
--- a/frontend/src/locale/es.json
+++ b/frontend/src/locale/es.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "Aquí puedes gestionar todos los archivos fuente que están disponibles para ti y los que has subido.",
+      "subtitle": "Sube y gestiona los documentos y fuentes de conocimiento que impulsan tus respuestas",
       "label": "Fuentes",
       "name": "Nombre de la Fuente",
       "date": "Fecha de Vector",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "Analítica",
+      "subtitle": "Realiza un seguimiento del volumen de mensajes, uso de tokens y comentarios de usuarios en tu cuenta",
       "filterByChatbot": "Filtrar por chatbot",
       "selectChatbot": "Seleccionar chatbot",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "Registros",
+      "subtitle": "Visualiza y monitorea las llamadas a la API y los registros de conversaciones",
       "filterByChatbot": "Filtrar por chatbot",
       "selectChatbot": "Seleccionar chatbot",
       "none": "Ninguno",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "Herramientas",
+      "subtitle": "Explora, conecta y configura las herramientas e integraciones que impulsan a tus agentes",
       "searchPlaceholder": "Buscar...",
       "addTool": "Agregar Herramienta",
       "noToolsFound": "No se encontraron herramientas",
diff --git a/frontend/src/locale/jp.json b/frontend/src/locale/jp.json
index 79eb3313..88823ddd 100644
--- a/frontend/src/locale/jp.json
+++ b/frontend/src/locale/jp.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "ここでは、利用可能なすべてのソースファイルとアップロードしたファイルを管理できます。",
+      "subtitle": "レスポンスを機能させるドキュメントとナレッジソースをアップロードして管理",
       "label": "ソース",
       "name": "ソース名",
       "date": "ベクトル日付",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "分析",
+      "subtitle": "アカウント全体のメッセージ量、トークン使用量、ユーザーフィードバックを追跡",
       "filterByChatbot": "チャットボットでフィルター",
       "selectChatbot": "チャットボットを選択",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "ログ",
+      "subtitle": "APIコールと会話ログを表示・監視",
       "filterByChatbot": "チャットボットでフィルター",
       "selectChatbot": "チャットボットを選択",
       "none": "なし",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "ツール",
+      "subtitle": "エージェントを強化するツールやインテグレーションを検索、接続、設定",
       "searchPlaceholder": "検索...",
       "addTool": "ツールを追加",
       "noToolsFound": "ツールが見つかりません",
diff --git a/frontend/src/locale/ru.json b/frontend/src/locale/ru.json
index 1fdb7601..367c1b9f 100644
--- a/frontend/src/locale/ru.json
+++ b/frontend/src/locale/ru.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "Здесь вы можете управлять всеми исходными файлами, которые доступны вам и которые вы загрузили.",
+      "subtitle": "Загружайте и управляйте документами и источниками знаний, которые обеспечивают ваши ответы",
       "label": "Источники",
       "name": "Название источника",
       "date": "Дата вектора",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "Аналитика",
+      "subtitle": "Отслеживайте объём сообщений, использование токенов и отзывы пользователей в вашем аккаунте",
       "filterByChatbot": "Фильтровать по чат-боту",
       "selectChatbot": "Выбрать чат-бота",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "Журналы",
+      "subtitle": "Просматривайте и отслеживайте вызовы API и журналы разговоров",
       "filterByChatbot": "Фильтровать по чат-боту",
       "selectChatbot": "Выбрать чат-бота",
       "none": "Нет",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "Инструменты",
+      "subtitle": "Просматривайте, подключайте и настраивайте инструменты и интеграции для ваших агентов",
       "searchPlaceholder": "Поиск...",
       "addTool": "Добавить инструмент",
       "noToolsFound": "Инструменты не найдены",
diff --git a/frontend/src/locale/zh-TW.json b/frontend/src/locale/zh-TW.json
index 8a537e23..5eafcbaf 100644
--- a/frontend/src/locale/zh-TW.json
+++ b/frontend/src/locale/zh-TW.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "在這裡您可以管理所有可用的來源檔案以及您上傳的檔案。",
+      "subtitle": "上傳並管理您的回答所依賴的文件和知識來源",
       "label": "來源",
       "name": "來源名稱",
       "date": "向量日期",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "分析",
+      "subtitle": "追蹤您賃戶的訊息量、Token 使用量和使用者回饋",
       "filterByChatbot": "按聊天機器人篩選",
       "selectChatbot": "選擇聊天機器人",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "日誌",
+      "subtitle": "查看和監控 API 呼叫及會話日誌",
       "filterByChatbot": "按聊天機器人篩選",
       "selectChatbot": "選擇聊天機器人",
       "none": "無",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "工具",
+      "subtitle": "瀏覽、連接並設定驅動您的智能體的工具和整合",
       "searchPlaceholder": "搜尋工具...",
       "addTool": "新增工具",
       "noToolsFound": "找不到工具",
diff --git a/frontend/src/locale/zh.json b/frontend/src/locale/zh.json
index 991ff944..b768fa99 100644
--- a/frontend/src/locale/zh.json
+++ b/frontend/src/locale/zh.json
@@ -54,6 +54,7 @@
     },
     "sources": {
       "title": "在这里您可以管理所有可用的源文件以及您上传的文件。",
+      "subtitle": "上传并管理您的回答所依赖的文档和知识来源",
       "label": "来源",
       "name": "来源名称",
       "date": "向量日期",
@@ -118,6 +119,7 @@
     },
     "analytics": {
       "label": "分析",
+      "subtitle": "跟踪您账户的消息量、令牌使用情况和用户反馈",
       "filterByChatbot": "按聊天机器人筛选",
       "selectChatbot": "选择聊天机器人",
       "filterOptions": {
@@ -137,6 +139,7 @@
     },
     "logs": {
       "label": "日志",
+      "subtitle": "查看和监控 API 调用及会话日志",
       "filterByChatbot": "按聊天机器人筛选",
       "selectChatbot": "选择聊天机器人",
       "none": "无",
@@ -144,6 +147,7 @@
     },
     "tools": {
       "label": "工具",
+      "subtitle": "浏览、连接并配置驱动您的智能体的工具和集成",
       "searchPlaceholder": "搜索工具...",
       "addTool": "添加工具",
       "noToolsFound": "未找到工具",
diff --git a/frontend/src/modals/AddActionModal.tsx b/frontend/src/modals/AddActionModal.tsx
index 31b36bbd..b6cfbeb9 100644
--- a/frontend/src/modals/AddActionModal.tsx
+++ b/frontend/src/modals/AddActionModal.tsx
@@ -40,7 +40,7 @@ export default function AddActionModal({
   return (
     <WrapperModal close={() => setModalState('INACTIVE')} className="sm:w-lg">
       <div>
-        <h2 className="text-jet dark:text-bright-gray px-3 text-xl font-semibold">
+        <h2 className="text-foreground dark:text-foreground px-3 text-xl font-semibold">
           {t('modals.addAction.title')}
         </h2>
         <div className="relative mt-6 px-3">
@@ -53,13 +53,13 @@ export default function AddActionModal({
               setFunctionNameError(!isValidFunctionName(value));
             }}
             borderVariant="thin"
-            labelBgClassName="bg-white dark:bg-charleston-green-2"
+            labelBgClassName="bg-card"
             placeholder={t('modals.addAction.actionNamePlaceholder')}
             required={true}
           />
           <p
             className={`mt-2 ml-1 text-xs italic ${
-              functionNameError ? 'text-red-500' : 'text-gray-500'
+              functionNameError ? 'text-red-500' : 'text-muted-foreground'
             }`}
           >
             {functionNameError
@@ -70,7 +70,7 @@ export default function AddActionModal({
         <div className="mt-3 flex flex-row-reverse gap-1 px-3">
           <button
             onClick={handleAddAction}
-            className="bg-purple-30 hover:bg-violets-are-blue rounded-3xl px-5 py-2 text-sm text-white transition-all"
+            className="bg-primary hover:bg-primary/90 rounded-3xl px-5 py-2 text-sm text-white transition-all"
           >
             {t('modals.addAction.addButton')}
           </button>
@@ -80,7 +80,7 @@ export default function AddActionModal({
               setModalState('INACTIVE');
               setActionName('');
             }}
-            className="dark:text-light-gray cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+            className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium"
           >
             {t('modals.configTool.closeButton')}
           </button>
diff --git a/frontend/src/modals/AddToolModal.tsx b/frontend/src/modals/AddToolModal.tsx
index 28766bd1..d9362e0f 100644
--- a/frontend/src/modals/AddToolModal.tsx
+++ b/frontend/src/modals/AddToolModal.tsx
@@ -116,7 +116,7 @@ export default function AddToolModal({
         >
           <div className="flex h-full flex-col">
             <div>
-              <h2 className="text-jet dark:text-bright-gray px-3 text-xl font-semibold">
+              <h2 className="text-foreground dark:text-foreground px-3 text-xl font-semibold">
                 {t('settings.tools.selectToolSetup')}
               </h2>
               <div className="mt-5 h-[73vh] overflow-auto px-3 py-px">
@@ -131,7 +131,7 @@ export default function AddToolModal({
                         role="button"
                         tabIndex={0}
                         key={index}
-                        className="border-light-gainsboro bg-white-3000 dark:border-arsenic dark:bg-gunmetal flex h-52 w-full cursor-pointer flex-col justify-between rounded-2xl border p-6 hover:border-[#9d9d9d] dark:hover:border-[#717179]"
+                        className="border-border bg-card hover:bg-accent hover:border-border/80 flex h-52 w-full cursor-pointer flex-col justify-between rounded-2xl border p-6"
                         onClick={() => {
                           setSelectedTool(tool);
                           handleAddTool(tool);
@@ -154,11 +154,11 @@ export default function AddToolModal({
                           <div className="mt-[9px]">
                             <p
                               title={tool.displayName}
-                              className="text-raisin-black-light dark:text-bright-gray truncate px-1 text-[13px] leading-relaxed font-semibold capitalize"
+                              className="text-foreground dark:text-foreground truncate px-1 text-[13px] leading-relaxed font-semibold capitalize"
                             >
                               {tool.displayName}
                             </p>
-                            <p className="text-old-silver dark:text-sonic-silver-light mt-1 h-24 overflow-auto px-1 text-[12px] leading-relaxed">
+                            <p className="text-muted-foreground mt-1 h-24 overflow-auto px-1 text-[12px] leading-relaxed">
                               {tool.description}
                             </p>
                           </div>
diff --git a/frontend/src/modals/AgentDetailsModal.tsx b/frontend/src/modals/AgentDetailsModal.tsx
index 25f32833..0eeeda36 100644
--- a/frontend/src/modals/AgentDetailsModal.tsx
+++ b/frontend/src/modals/AgentDetailsModal.tsx
@@ -1,9 +1,10 @@
 import { useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
-import ExternalLinkIcon from '../assets/external-link.svg';
+
 import { Agent } from '../agents/types';
 import userService from '../api/services/userService';
+import ExternalLinkIcon from '../assets/external-link.svg';
 import CopyButton from '../components/CopyButton';
 import Spinner from '../components/Spinner';
 import { ActiveState } from '../models/misc';
@@ -81,25 +82,25 @@ export default function AgentDetailsModal({
   if (modalState !== 'ACTIVE') return null;
   return (
     <WrapperModal
-      className="sm:w-[512px]"
+      className="sm:w-lg"
       close={() => {
         setModalState('INACTIVE');
       }}
     >
       <div>
-        <h2 className="text-jet dark:text-bright-gray text-xl font-semibold">
+        <h2 className="text-foreground dark:text-foreground text-xl font-semibold">
           {t('modals.agentDetails.title')}
         </h2>
         <div className="mt-8 flex flex-col gap-6">
           <div className="flex flex-col gap-3">
             <div className="flex items-center gap-2">
-              <h2 className="text-jet dark:text-bright-gray text-base font-semibold">
+              <h2 className="text-foreground dark:text-foreground text-base font-semibold">
                 {t('modals.agentDetails.publicLink')}
               </h2>
             </div>
             {sharedToken ? (
               <div className="flex flex-col gap-2">
-                <p className="font-roboto inline text-[14px] leading-normal font-medium break-all text-gray-700 dark:text-[#ECECF1]">
+                <p className="font-roboto dark:text-foreground inline text-[14px] leading-normal font-medium break-all text-gray-700">
                   <a
                     href={`${baseURL}/shared/agent/${sharedToken}`}
                     target="_blank"
@@ -115,7 +116,7 @@ export default function AgentDetailsModal({
                 </p>
                 <a
                   href="https://docs.docsgpt.cloud/Agents/basics#core-components-of-an-agent"
-                  className="text-purple-30 flex w-fit items-center gap-1 hover:underline"
+                  className="text-primary flex w-fit items-center gap-1 hover:underline"
                   target="_blank"
                   rel="noopener noreferrer"
                 >
@@ -131,7 +132,7 @@ export default function AgentDetailsModal({
               </div>
             ) : (
               <button
-                className="border-purple-30 text-purple-30 hover:bg-purple-30 flex w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 flex w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
                 onClick={handleGeneratePublicLink}
               >
                 {loadingStates.publicLink ? (
@@ -143,13 +144,13 @@ export default function AgentDetailsModal({
             )}
           </div>
           <div className="flex flex-col gap-3">
-            <h2 className="text-jet dark:text-bright-gray text-base font-semibold">
+            <h2 className="text-foreground dark:text-foreground text-base font-semibold">
               {t('modals.agentDetails.apiKey')}
             </h2>
             {apiKey ? (
               <div className="flex flex-col gap-2">
                 <div className="flex items-center gap-2">
-                  <div className="font-roboto text-[14px] leading-normal font-medium break-all text-gray-700 dark:text-[#ECECF1]">
+                  <div className="font-roboto dark:text-foreground text-[14px] leading-normal font-medium break-all text-gray-700">
                     {apiKey}
                     {!apiKey.includes('...') && (
                       <CopyButton
@@ -162,7 +163,7 @@ export default function AgentDetailsModal({
                   {!apiKey.includes('...') && (
                     <a
                       href={`https://widget.docsgpt.cloud/?api-key=${apiKey}`}
-                      className="group border-purple-30 text-purple-30 hover:bg-purple-30 ml-8 flex w-[101px] items-center justify-center gap-1 rounded-[62px] border py-1.5 text-sm font-medium transition-colors hover:text-white"
+                      className="group border-primary text-primary hover:bg-primary/90 ml-8 flex w-[101px] items-center justify-center gap-1 rounded-[62px] border py-1.5 text-sm font-medium transition-colors hover:text-white"
                       target="_blank"
                       rel="noopener noreferrer"
                     >
@@ -177,20 +178,20 @@ export default function AgentDetailsModal({
                 </div>
               </div>
             ) : (
-              <button className="border-purple-30 text-purple-30 hover:bg-purple-30 w-28 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white">
+              <button className="border-primary text-primary hover:bg-primary/90 w-28 rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white">
                 {t('modals.agentDetails.generate')}
               </button>
             )}
           </div>
           <div className="flex flex-col gap-3">
             <div className="flex items-center gap-2">
-              <h2 className="text-jet dark:text-bright-gray text-base font-semibold">
+              <h2 className="text-foreground dark:text-foreground text-base font-semibold">
                 {t('modals.agentDetails.webhookUrl')}
               </h2>
             </div>
             {webhookUrl ? (
               <div className="flex flex-col gap-2">
-                <p className="font-roboto text-[14px] leading-normal font-medium break-all text-gray-700 dark:text-[#ECECF1]">
+                <p className="font-roboto dark:text-foreground text-[14px] leading-normal font-medium break-all text-gray-700">
                   <a href={webhookUrl} target="_blank" rel="noreferrer">
                     {webhookUrl}
                   </a>
@@ -202,7 +203,7 @@ export default function AgentDetailsModal({
                 </p>
                 <a
                   href="https://docs.docsgpt.cloud/Agents/basics#core-components-of-an-agent"
-                  className="text-purple-30 flex w-fit items-center gap-1 hover:underline"
+                  className="text-primary flex w-fit items-center gap-1 hover:underline"
                   target="_blank"
                   rel="noopener noreferrer"
                 >
@@ -218,7 +219,7 @@ export default function AgentDetailsModal({
               </div>
             ) : (
               <button
-                className="border-purple-30 text-purple-30 hover:bg-purple-30 flex w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 flex w-28 items-center justify-center rounded-3xl border border-solid px-5 py-2 text-sm font-medium transition-colors hover:text-white"
                 onClick={handleGenerateWebhook}
               >
                 {loadingStates.webhook ? (
diff --git a/frontend/src/modals/ConfigToolModal.tsx b/frontend/src/modals/ConfigToolModal.tsx
index a7897254..4097047c 100644
--- a/frontend/src/modals/ConfigToolModal.tsx
+++ b/frontend/src/modals/ConfigToolModal.tsx
@@ -115,7 +115,7 @@ export default function ConfigToolModal({
   return (
     <WrapperModal close={handleClose}>
       <div className="w-[400px] max-w-[90vw]">
-        <h2 className="text-eerie-black dark:text-bright-gray text-xl font-semibold">
+        <h2 className="text-foreground dark:text-foreground text-xl font-semibold">
           {t('modals.configTool.title')}
         </h2>
         <p className="mt-2 text-sm text-gray-500 dark:text-gray-400">
@@ -140,19 +140,21 @@ export default function ConfigToolModal({
             />
           </div>
 
-          {hasConfig && <ConfigFields
-            configRequirements={configRequirements}
-            values={configValues}
-            onChange={handleFieldChange}
-            errors={errors}
-          />}
+          {hasConfig && (
+            <ConfigFields
+              configRequirements={configRequirements}
+              values={configValues}
+              onChange={handleFieldChange}
+              errors={errors}
+            />
+          )}
         </div>
 
         <div className="mt-8 flex flex-row-reverse gap-2">
           <button
             onClick={handleAddTool}
             disabled={saving}
-            className="bg-purple-30 hover:bg-violets-are-blue disabled:opacity-60 rounded-full px-5 py-2 text-sm font-medium text-white transition-colors"
+            className="bg-primary hover:bg-primary/90 rounded-full px-5 py-2 text-sm font-medium text-white transition-colors disabled:opacity-60"
           >
             {saving
               ? t('modals.configTool.addButton') + '…'
@@ -160,7 +162,7 @@ export default function ConfigToolModal({
           </button>
           <button
             onClick={handleClose}
-            className="dark:text-light-gray cursor-pointer rounded-full px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+            className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-full px-5 py-2 text-sm font-medium"
           >
             {t('modals.configTool.closeButton')}
           </button>
diff --git a/frontend/src/modals/ConfirmationModal.tsx b/frontend/src/modals/ConfirmationModal.tsx
index 3f4947fd..9883b446 100644
--- a/frontend/src/modals/ConfirmationModal.tsx
+++ b/frontend/src/modals/ConfirmationModal.tsx
@@ -26,8 +26,8 @@ export default function ConfirmationModal({
 
   const submitButtonClasses =
     variant === 'danger'
-      ? 'rounded-3xl bg-rosso-corsa px-5 py-2 text-sm text-lotion transition-all hover:bg-red-2000 hover:font-bold tracking-[0.019em] hover:tracking-normal'
-      : 'rounded-3xl bg-purple-30 px-5 py-2 text-sm text-lotion transition-all hover:bg-violets-are-blue';
+      ? 'rounded-3xl bg-destructive px-5 py-2 text-sm text-white transition-all hover:bg-destructive/90 hover:font-bold tracking-[0.019em] hover:tracking-normal'
+      : 'rounded-3xl bg-primary px-5 py-2 text-sm text-white transition-all hover:bg-primary/90';
 
   const handleSubmitClick = (e: React.MouseEvent) => {
     e.preventDefault();
@@ -49,7 +49,7 @@ export default function ConfirmationModal({
         <WrapperModal close={() => setModalState('INACTIVE')}>
           <div className="relative">
             <div>
-              <p className="font-base text-jet dark:text-bright-gray mb-1 w-[90%] text-lg break-words">
+              <p className="font-base text-foreground dark:text-foreground mb-1 w-[90%] text-lg wrap-break-word">
                 {message}
               </p>
               <div>
@@ -62,7 +62,7 @@ export default function ConfirmationModal({
                   </button>
                   <button
                     onClick={handleCancelClick}
-                    className="dark:text-light-gray cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+                    className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium"
                   >
                     {cancelLabel ? cancelLabel : t('cancel')}
                   </button>
diff --git a/frontend/src/modals/FolderManagementModal.tsx b/frontend/src/modals/FolderManagementModal.tsx
index f6d0e605..a942ccd1 100644
--- a/frontend/src/modals/FolderManagementModal.tsx
+++ b/frontend/src/modals/FolderManagementModal.tsx
@@ -47,7 +47,7 @@ export default function FolderNameModal({
   return (
     <WrapperModal close={() => setModalState('INACTIVE')}>
       <div className="w-72">
-        <h2 className="text-jet dark:text-bright-gray mb-4 text-lg font-semibold">
+        <h2 className="text-foreground dark:text-foreground mb-4 text-lg font-semibold">
           {mode === 'create'
             ? t('agents.folders.newFolder')
             : t('agents.folders.rename')}
@@ -59,7 +59,7 @@ export default function FolderNameModal({
           onKeyDown={handleKeyDown}
           placeholder={t('agents.folders.folderName')}
           autoFocus
-          className="w-full rounded-lg border border-[#E5E5E5] bg-white px-3 py-2 text-sm outline-none dark:border-[#3A3A3A] dark:bg-[#2C2C2C] dark:text-white"
+          className="border-border bg-card w-full rounded-lg border px-3 py-2 text-sm outline-none dark:text-white"
         />
         <div className="mt-6 flex justify-end gap-2">
           <button
@@ -67,14 +67,14 @@ export default function FolderNameModal({
               setModalState('INACTIVE');
               setName('');
             }}
-            className="dark:text-light-gray cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+            className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium"
           >
             {t('cancel')}
           </button>
           <button
             onClick={handleSubmit}
             disabled={!name.trim()}
-            className="bg-purple-30 hover:bg-violets-are-blue rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
+            className="bg-primary hover:bg-primary/90 rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
           >
             {mode === 'create'
               ? t('agents.folders.createFolder')
diff --git a/frontend/src/modals/ImportSpecModal.tsx b/frontend/src/modals/ImportSpecModal.tsx
index df68aea6..645ed283 100644
--- a/frontend/src/modals/ImportSpecModal.tsx
+++ b/frontend/src/modals/ImportSpecModal.tsx
@@ -166,7 +166,7 @@ export default function ImportSpecModal({
       contentClassName="max-h-[70vh]"
     >
       <div className="flex flex-col gap-4">
-        <h2 className="text-jet dark:text-bright-gray text-xl font-semibold">
+        <h2 className="text-foreground dark:text-foreground text-xl font-semibold">
           {t('modals.importSpec.title')}
         </h2>
 
@@ -178,14 +178,14 @@ export default function ImportSpecModal({
 
             <div
               onClick={() => fileInputRef.current?.click()}
-              className="border-silver dark:border-silver/40 hover:border-purple-30 dark:hover:border-purple-30 flex cursor-pointer flex-col items-center justify-center rounded-xl border-2 border-dashed p-8 transition-colors"
+              className="border-border dark:border-border hover:border-primary dark:hover:border-primary flex cursor-pointer flex-col items-center justify-center rounded-xl border-2 border-dashed p-8 transition-colors"
             >
               <img
                 src={Upload}
                 alt="Upload"
                 className="mb-3 h-10 w-10 opacity-60 dark:invert"
               />
-              <p className="text-jet dark:text-bright-gray text-sm font-medium">
+              <p className="text-foreground dark:text-foreground text-sm font-medium">
                 {file ? file.name : t('modals.importSpec.dropzoneText')}
               </p>
               <p className="mt-1 text-xs text-gray-500 dark:text-gray-400">
@@ -206,8 +206,8 @@ export default function ImportSpecModal({
           </div>
         ) : (
           <div className="flex flex-col gap-4">
-            <div className="rounded-xl bg-[#F9F9F9] p-4 dark:bg-[#28292D]">
-              <h3 className="text-jet dark:text-bright-gray font-medium">
+            <div className="bg-muted rounded-xl p-4">
+              <h3 className="text-foreground dark:text-foreground font-medium">
                 {parsedResult.metadata.title}
               </h3>
               {parsedResult.metadata.description && (
@@ -215,7 +215,7 @@ export default function ImportSpecModal({
                   {parsedResult.metadata.description}
                 </p>
               )}
-              <p className="mt-2 text-xs text-gray-500">
+              <p className="text-muted-foreground mt-2 text-xs">
                 {t('modals.importSpec.version')}:{' '}
                 {parsedResult.metadata.version}
               </p>
@@ -227,7 +227,7 @@ export default function ImportSpecModal({
                   type="text"
                   value={baseUrl}
                   onChange={(e) => setBaseUrl(e.target.value)}
-                  className="border-silver dark:border-silver/40 text-jet dark:text-bright-gray w-full rounded-lg border bg-white px-3 py-2 text-sm outline-hidden dark:bg-[#2C2C2C]"
+                  className="border-border dark:border-border text-foreground dark:text-foreground bg-card w-full rounded-lg border px-3 py-2 text-sm outline-hidden"
                   placeholder={
                     parsedResult.metadata.base_url || 'https://api.example.com'
                   }
@@ -236,14 +236,14 @@ export default function ImportSpecModal({
             </div>
 
             <div className="flex items-center justify-between px-1">
-              <p className="text-jet dark:text-bright-gray text-sm font-medium">
+              <p className="text-foreground dark:text-foreground text-sm font-medium">
                 {t('modals.importSpec.actionsFound', {
                   count: parsedResult.actions.length,
                 })}
               </p>
               <button
                 onClick={toggleAll}
-                className="text-purple-30 hover:text-violets-are-blue text-sm"
+                className="text-primary hover:text-primary text-sm"
               >
                 {selectedActions.size === parsedResult.actions.length
                   ? t('modals.importSpec.deselectAll')
@@ -255,13 +255,13 @@ export default function ImportSpecModal({
               {parsedResult.actions.map((action, index) => (
                 <label
                   key={index}
-                  className="border-silver dark:border-silver/40 flex cursor-pointer items-start gap-3 rounded-xl border p-3 transition-colors hover:bg-[#F9F9F9] dark:hover:bg-[#28292D]"
+                  className="border-border dark:border-border hover:bg-muted dark:hover:bg-muted flex cursor-pointer items-start gap-3 rounded-xl border p-3 transition-colors"
                 >
                   <input
                     type="checkbox"
                     checked={selectedActions.has(index)}
                     onChange={() => toggleAction(index)}
-                    className="text-purple-30 focus:ring-purple-30 mt-1 h-4 w-4 rounded border-gray-300"
+                    className="text-primary focus:ring-ring mt-1 h-4 w-4 rounded border-gray-300"
                   />
                   <div className="min-w-0 flex-1">
                     <div className="flex items-center gap-2">
@@ -270,7 +270,7 @@ export default function ImportSpecModal({
                       >
                         {action.method.toUpperCase()}
                       </span>
-                      <span className="text-jet dark:text-bright-gray truncate font-medium">
+                      <span className="text-foreground dark:text-foreground truncate font-medium">
                         {action.name}
                       </span>
                     </div>
@@ -294,7 +294,7 @@ export default function ImportSpecModal({
             <button
               onClick={handleParse}
               disabled={!file || loading}
-              className="bg-purple-30 hover:bg-violets-are-blue flex w-20 items-center justify-center gap-2 rounded-3xl px-5 py-2 text-sm text-white transition-all disabled:cursor-not-allowed disabled:opacity-50"
+              className="bg-primary hover:bg-primary/90 flex w-20 items-center justify-center gap-2 rounded-3xl px-5 py-2 text-sm text-white transition-all disabled:cursor-not-allowed disabled:opacity-50"
             >
               {loading && <Spinner size="small" color="white" />}
               {!loading && t('modals.importSpec.parse')}
@@ -303,14 +303,14 @@ export default function ImportSpecModal({
             <button
               onClick={handleImport}
               disabled={selectedActions.size === 0}
-              className="bg-purple-30 hover:bg-violets-are-blue rounded-3xl px-5 py-2 text-sm text-white transition-all disabled:cursor-not-allowed disabled:opacity-50"
+              className="bg-primary hover:bg-primary/90 rounded-3xl px-5 py-2 text-sm text-white transition-all disabled:cursor-not-allowed disabled:opacity-50"
             >
               {t('modals.importSpec.import', { count: selectedActions.size })}
             </button>
           )}
           <button
             onClick={handleClose}
-            className="dark:text-light-gray cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+            className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium"
           >
             {t('modals.importSpec.cancel')}
           </button>
diff --git a/frontend/src/modals/JWTModal.tsx b/frontend/src/modals/JWTModal.tsx
index 834befc5..06f470bd 100644
--- a/frontend/src/modals/JWTModal.tsx
+++ b/frontend/src/modals/JWTModal.tsx
@@ -24,7 +24,7 @@ export default function JWTModal({
       close={() => undefined}
     >
       <div className="mb-6">
-        <span className="text-jet dark:text-bright-gray text-lg">
+        <span className="text-foreground dark:text-foreground text-lg">
           Add JWT Token
         </span>
       </div>
@@ -41,7 +41,7 @@ export default function JWTModal({
       <button
         disabled={jwtToken.length === 0}
         onClick={handleTokenSubmit.bind(null, jwtToken)}
-        className="bg-purple-30 float-right mt-4 rounded-full px-5 py-2 text-sm text-white hover:bg-[#6F3FD1] disabled:opacity-50"
+        className="bg-primary float-right mt-4 rounded-full px-5 py-2 text-sm text-white hover:bg-[#6F3FD1] disabled:opacity-50"
       >
         Save Token
       </button>
diff --git a/frontend/src/modals/MCPServerModal.tsx b/frontend/src/modals/MCPServerModal.tsx
index 6fcac371..9c6857a6 100644
--- a/frontend/src/modals/MCPServerModal.tsx
+++ b/frontend/src/modals/MCPServerModal.tsx
@@ -559,7 +559,7 @@ export default function MCPServerModal({
       >
         <div className="flex h-full flex-col">
           <div className="px-6 py-4">
-            <h2 className="text-jet dark:text-bright-gray text-xl font-semibold">
+            <h2 className="text-foreground dark:text-foreground text-xl font-semibold">
               {server
                 ? t('settings.tools.mcp.reconnectServer', {
                     defaultValue: 'Reconnect Server',
@@ -711,7 +711,7 @@ export default function MCPServerModal({
               )}
 
               {discoveredTools.length > 0 && testResult?.success && (
-                <div className="border-silver dark:border-silver/40 rounded-xl border p-4">
+                <div className="border-border dark:border-border rounded-xl border p-4">
                   <h4 className="mb-2 text-sm font-medium text-gray-900 dark:text-white">
                     {t('settings.tools.mcp.discoveredTools', {
                       count: discoveredTools.length,
@@ -724,7 +724,7 @@ export default function MCPServerModal({
                         key={tool.name}
                         className="flex items-start gap-2 rounded-lg bg-gray-50 px-3 py-2 text-sm dark:bg-white/5"
                       >
-                        <span className="text-purple-30 mt-0.5">&#9679;</span>
+                        <span className="text-primary mt-0.5">&#9679;</span>
                         <div className="min-w-0">
                           <span className="font-medium text-gray-900 dark:text-white">
                             {tool.name}
@@ -753,7 +753,7 @@ export default function MCPServerModal({
               <button
                 onClick={testConnection}
                 disabled={testing}
-                className="border-silver dark:border-silver/40 dark:text-light-gray w-full rounded-3xl border px-6 py-2 text-sm font-medium transition-all hover:bg-gray-100 disabled:opacity-50 sm:w-auto dark:hover:bg-[#767183]/50"
+                className="border-border dark:border-border dark:text-foreground hover:bg-accent dark:hover:bg-muted/50 w-full rounded-3xl border px-6 py-2 text-sm font-medium transition-all disabled:opacity-50 sm:w-auto"
               >
                 {testing ? (
                   <div className="flex items-center justify-center">
@@ -773,14 +773,14 @@ export default function MCPServerModal({
                     setModalState('INACTIVE');
                     resetForm();
                   }}
-                  className="dark:text-light-gray w-full cursor-pointer rounded-3xl px-6 py-2 text-sm font-medium hover:bg-gray-100 sm:w-auto dark:bg-transparent dark:hover:bg-[#767183]/50"
+                  className="dark:text-foreground hover:bg-accent dark:hover:bg-muted/50 w-full cursor-pointer rounded-3xl px-6 py-2 text-sm font-medium sm:w-auto"
                 >
                   {t('settings.tools.mcp.cancel')}
                 </button>
                 <button
                   onClick={handleSave}
                   disabled={loading || !saveActive}
-                  className="bg-purple-30 hover:bg-violets-are-blue w-full rounded-3xl px-6 py-2 text-sm font-medium text-white transition-all disabled:opacity-50 sm:w-auto"
+                  className="bg-primary hover:bg-primary/90 w-full rounded-3xl px-6 py-2 text-sm font-medium text-white transition-all disabled:opacity-50 sm:w-auto"
                 >
                   {loading ? (
                     <div className="flex items-center justify-center">
diff --git a/frontend/src/modals/MoveToFolderModal.tsx b/frontend/src/modals/MoveToFolderModal.tsx
index eaebc5d0..bbe4f1e1 100644
--- a/frontend/src/modals/MoveToFolderModal.tsx
+++ b/frontend/src/modals/MoveToFolderModal.tsx
@@ -139,7 +139,7 @@ export default function MoveToFolderModal({
       <div className="w-[800px] max-w-[90vw]">
         <div className="px-6 pt-4">
           <h2
-            className="text-jet dark:text-bright-gray mb-2 font-semibold"
+            className="text-foreground dark:text-foreground mb-2 font-semibold"
             style={{
               fontFamily: 'Inter, sans-serif',
               fontSize: '22px',
@@ -151,12 +151,12 @@ export default function MoveToFolderModal({
           </h2>
         </div>
         <div
-          className="flex items-center gap-1 bg-[#F6F8FA] px-8 py-2 text-xs font-semibold text-[#59636E] dark:bg-[#2A2A2A] dark:text-gray-400"
+          className="bg-muted dark:bg-muted flex items-center gap-1 px-8 py-2 text-xs font-semibold text-[#59636E] dark:text-gray-400"
           style={{ fontFamily: "'Segoe UI', sans-serif" }}
         >
           <button
             onClick={() => handleNavigateToPath(-1)}
-            className={`hover:text-[#18181B] dark:hover:text-white ${folderPath.length > 0 ? 'opacity-70' : ''}`}
+            className={`hover:text-foreground dark:hover:text-white ${folderPath.length > 0 ? 'opacity-70' : ''}`}
           >
             {t('agents.filters.byMe')}
           </button>
@@ -180,7 +180,7 @@ export default function MoveToFolderModal({
               ) : (
                 <button
                   onClick={() => handleNavigateToPath(index)}
-                  className="opacity-70 hover:text-[#18181B] dark:hover:text-white"
+                  className="hover:text-foreground opacity-70 dark:hover:text-white"
                 >
                   {item.name}
                 </button>
@@ -188,10 +188,10 @@ export default function MoveToFolderModal({
             </span>
           ))}
         </div>
-        <div className="max-h-60 min-h-[200px] overflow-y-auto border-t border-gray-200 dark:border-[#3A3A3A]">
+        <div className="dark:border-border max-h-60 min-h-[200px] overflow-y-auto border-t border-gray-200">
           {isLoading ? (
             <div className="flex h-[200px] items-center justify-center">
-              <span className="text-[14px] text-gray-500">
+              <span className="text-muted-foreground text-[14px]">
                 {t('loading')}...
               </span>
             </div>
@@ -204,10 +204,10 @@ export default function MoveToFolderModal({
                     e.stopPropagation();
                     setSelectedFolderId(null);
                   }}
-                  className={`flex w-full items-center gap-2 border-b border-gray-200 px-8 py-2 text-left text-[14px] dark:border-[#3A3A3A] ${
+                  className={`dark:border-border flex w-full items-center gap-2 border-b border-gray-200 px-8 py-2 text-left text-[14px] ${
                     selectedFolderId === null
                       ? 'bg-[#7D54D1] text-white'
-                      : 'bg-[#F9F9F9] hover:bg-gray-100 dark:bg-[#2A2A2A] dark:hover:bg-[#383838]'
+                      : 'bg-muted hover:bg-accent dark:bg-muted'
                   }`}
                 >
                   <span
@@ -226,10 +226,10 @@ export default function MoveToFolderModal({
                 <button
                   key={folder.id}
                   onClick={() => setSelectedFolderId(folder.id)}
-                  className={`flex w-full cursor-pointer items-center justify-between border-b border-gray-200 px-8 py-2 text-left text-[14px] dark:border-[#3A3A3A] ${
+                  className={`dark:border-border flex w-full cursor-pointer items-center justify-between border-b border-gray-200 px-8 py-2 text-left text-[14px] ${
                     selectedFolderId === folder.id
                       ? 'bg-[#7D54D1] text-white'
-                      : 'bg-[#F9F9F9] hover:bg-gray-100 dark:bg-[#2A2A2A] dark:hover:bg-[#383838]'
+                      : 'bg-muted hover:bg-accent dark:bg-muted'
                   }`}
                 >
                   <span className="flex flex-1 items-center gap-2">
@@ -239,7 +239,7 @@ export default function MoveToFolderModal({
                       className={`h-4 w-4 ${selectedFolderId === folder.id ? 'brightness-0 invert' : ''}`}
                     />
                     <span
-                      className={`truncate ${selectedFolderId === folder.id ? 'text-white' : 'text-[#18181B] dark:text-[#E0E0E0]'}`}
+                      className={`truncate ${selectedFolderId === folder.id ? 'text-white' : 'text-foreground'}`}
                     >
                       {folder.name}
                     </span>
@@ -271,14 +271,14 @@ export default function MoveToFolderModal({
                 </button>
               ))}
               {currentLevelFolders.length === 0 && folderPath.length > 0 && (
-                <div className="flex h-[200px] items-center justify-center text-sm text-[#71717A]">
+                <div className="text-muted-foreground flex h-[200px] items-center justify-center text-sm">
                   {t('agents.folders.noSubfolders')}
                 </div>
               )}
               {currentLevelFolders.length === 0 &&
                 folderPath.length === 0 &&
                 !currentFolderId && (
-                  <div className="flex h-[200px] items-center justify-center text-sm text-[#71717A]">
+                  <div className="text-muted-foreground flex h-[200px] items-center justify-center text-sm">
                     {t('agents.folders.noFolders')}
                   </div>
                 )}
@@ -286,7 +286,7 @@ export default function MoveToFolderModal({
           )}
         </div>
 
-        <div className="flex items-center justify-between border-t border-gray-200 px-8 py-4 dark:border-[#3A3A3A]">
+        <div className="dark:border-border flex items-center justify-between border-t border-gray-200 px-8 py-4">
           {isCreatingFolder ? (
             <input
               ref={newFolderInputRef}
@@ -309,7 +309,7 @@ export default function MoveToFolderModal({
                 }
               }}
               placeholder={t('agents.folders.newFolder')}
-              className="rounded-full border border-[#7D54D1] bg-transparent px-6 py-2 text-sm font-medium text-[#7D54D1] outline-none placeholder:text-[#7D54D1]/60 dark:text-[#B794F4] dark:placeholder:text-[#B794F4]/60"
+              className="dark:text-primary rounded-full border border-[#7D54D1] bg-transparent px-6 py-2 text-sm font-medium text-[#7D54D1] outline-none placeholder:text-[#7D54D1]/60 dark:placeholder:text-[#B794F4]/60"
               autoFocus
             />
           ) : (
@@ -336,7 +336,7 @@ export default function MoveToFolderModal({
                   setModalState('INACTIVE');
                 }
               }}
-              className="dark:text-light-gray cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium hover:bg-gray-100 dark:bg-transparent dark:hover:bg-[#767183]/50"
+              className="dark:text-foreground hover:bg-accent dark:hover:bg-accent cursor-pointer rounded-3xl px-5 py-2 text-sm font-medium"
             >
               {t('cancel')}
             </button>
@@ -351,7 +351,7 @@ export default function MoveToFolderModal({
                   }
                 }}
                 disabled={!newFolderName.trim()}
-                className="bg-purple-30 hover:bg-violets-are-blue rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
+                className="bg-primary hover:bg-primary/90 rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
               >
                 {t('agents.folders.createFolder')}
               </button>
@@ -361,7 +361,7 @@ export default function MoveToFolderModal({
                   e.stopPropagation();
                   handleMove();
                 }}
-                className="bg-purple-30 hover:bg-violets-are-blue rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
+                className="bg-primary hover:bg-primary/90 rounded-3xl px-5 py-2 text-sm text-white disabled:opacity-50"
               >
                 {t('agents.folders.move')}
               </button>
diff --git a/frontend/src/modals/ShareConversationModal.tsx b/frontend/src/modals/ShareConversationModal.tsx
index 921fd59f..d9a065d4 100644
--- a/frontend/src/modals/ShareConversationModal.tsx
+++ b/frontend/src/modals/ShareConversationModal.tsx
@@ -98,14 +98,14 @@ export const ShareConversationModal = ({
   return (
     <WrapperModal close={close} contentClassName="!overflow-visible">
       <div className="flex w-[600px] max-w-[80vw] flex-col gap-2">
-        <h2 className="text-eerie-black dark:text-chinese-white text-xl font-medium">
+        <h2 className="text-foreground dark:text-foreground text-xl font-medium">
           {t('modals.shareConv.label')}
         </h2>
-        <p className="text-eerie-black dark:text-silver/60 text-sm leading-relaxed">
+        <p className="text-foreground dark:text-muted-foreground/60 text-sm leading-relaxed">
           {t('modals.shareConv.note')}
         </p>
         <div className="flex items-center justify-between">
-          <span className="text-eerie-black text-lg dark:text-white">
+          <span className="text-foreground text-lg dark:text-white">
             {t('modals.shareConv.option')}
           </span>
           <ToggleSwitch
@@ -129,19 +129,19 @@ export const ShareConversationModal = ({
           </div>
         )}
         <div className="flex items-baseline justify-between gap-2">
-          <span className="no-scrollbar border-silver text-eerie-black dark:border-silver/40 w-full overflow-x-auto rounded-full border-2 px-4 py-3 whitespace-nowrap dark:text-white">
+          <span className="no-scrollbar border-border text-foreground dark:border-border w-full overflow-x-auto rounded-full border-2 px-4 py-3 whitespace-nowrap dark:text-white">
             {`${domain}/share/${identifier ?? '....'}`}
           </span>
           {status === 'fetched' ? (
             <button
-              className="bg-purple-30 hover:bg-violets-are-blue my-1 h-10 w-28 rounded-full p-2 text-sm text-white"
+              className="bg-primary hover:bg-primary/90 my-1 h-10 w-28 rounded-full p-2 text-sm text-white"
               onClick={() => handleCopyKey(`${domain}/share/${identifier}`)}
             >
               {isCopied ? t('modals.saveKey.copied') : t('modals.saveKey.copy')}
             </button>
           ) : (
             <button
-              className="bg-purple-30 hover:bg-violets-are-blue my-1 flex h-10 w-28 items-center justify-evenly rounded-full p-2 text-center text-sm font-normal text-white"
+              className="bg-primary hover:bg-primary/90 my-1 flex h-10 w-28 items-center justify-evenly rounded-full p-2 text-center text-sm font-normal text-white"
               onClick={() => {
                 shareCoversationPublicly(allowPrompt);
               }}
diff --git a/frontend/src/modals/WrapperModal.tsx b/frontend/src/modals/WrapperModal.tsx
index 523111cf..a1708821 100644
--- a/frontend/src/modals/WrapperModal.tsx
+++ b/frontend/src/modals/WrapperModal.tsx
@@ -32,8 +32,7 @@ export default function WrapperModal({
       )
         return;
       if (document.querySelector('[data-radix-select-content]')) return;
-      if (modalRef.current && !modalRef.current.contains(target))
-        close();
+      if (modalRef.current && !modalRef.current.contains(target)) close();
     };
 
     const handleEscapePress = (event: KeyboardEvent) => {
@@ -61,7 +60,7 @@ export default function WrapperModal({
       />
       <div
         ref={modalRef}
-        className={`relative rounded-2xl bg-white p-8 shadow-[0px_4px_40px_-3px_#0000001A] dark:bg-[#26272E] ${className}`}
+        className={`bg-card dark:bg-card relative rounded-2xl p-8 shadow-[0px_4px_40px_-3px_#0000001A] ${className}`}
       >
         {!isPerformingTask && (
           <button
@@ -72,7 +71,7 @@ export default function WrapperModal({
           </button>
         )}
         <div
-          className={`no-scrollbar overflow-y-auto text-[#18181B] dark:text-[#ECECF1] ${contentClassName}`}
+          className={`no-scrollbar text-foreground dark:text-foreground overflow-y-auto ${contentClassName}`}
         >
           {children}
         </div>
diff --git a/frontend/src/preferences/PromptsModal.tsx b/frontend/src/preferences/PromptsModal.tsx
index 7f6593c4..552e6f48 100644
--- a/frontend/src/preferences/PromptsModal.tsx
+++ b/frontend/src/preferences/PromptsModal.tsx
@@ -120,11 +120,11 @@ function PromptTextarea({
   return (
     <>
       <div
-        className="pointer-events-none absolute inset-0 z-0 overflow-hidden rounded bg-white px-3 py-2 dark:bg-[#26272E]"
+        className="bg-card pointer-events-none absolute inset-0 z-0 overflow-hidden rounded px-3 py-2"
         aria-hidden="true"
       >
         <div
-          className="min-h-full text-base leading-[1.5] break-words whitespace-pre-wrap text-transparent"
+          className="min-h-full text-base leading-normal wrap-break-word whitespace-pre-wrap text-transparent"
           style={{
             transform: `translate(${-scrollOffsets.left}px, ${-scrollOffsets.top}px)`,
           }}
@@ -134,7 +134,7 @@ function PromptTextarea({
       </div>
       <textarea
         id={id}
-        className="peer border-silver dark:border-silver/40 relative z-10 h-48 w-full resize-none rounded border-2 bg-transparent px-3 py-2 text-base text-gray-800 outline-none md:h-64 lg:h-80 dark:bg-transparent dark:text-white"
+        className="peer border-border dark:border-border relative z-10 h-48 w-full resize-none rounded border-2 bg-transparent px-3 py-2 text-base text-gray-800 outline-none md:h-64 lg:h-80 dark:text-white"
         value={value}
         onChange={onChange}
         onScroll={handleScroll}
@@ -239,7 +239,7 @@ function AddPrompt({
       <p className="mb-1 text-xl font-semibold text-[#2B2B2B] dark:text-white">
         {t('modals.prompts.addPrompt')}
       </p>
-      <p className="mb-6 text-sm text-[#6B6B6B] dark:text-[#9A9AA0]">
+      <p className="dark:text-muted-foreground mb-6 text-sm text-[#6B6B6B]">
         {t('modals.prompts.addDescription')}
       </p>
       <div>
@@ -251,7 +251,7 @@ function AddPrompt({
           textSize="medium"
           value={newPromptName}
           onChange={(e) => setNewPromptName(e.target.value)}
-          labelBgClassName="bg-white dark:bg-[#26272E]"
+          labelBgClassName="bg-card"
           borderVariant="thick"
         />
 
@@ -266,7 +266,7 @@ function AddPrompt({
             htmlFor="new-prompt-content"
             className={`absolute z-20 select-none ${
               newPromptContent ? '-top-2.5 left-3 text-xs' : ''
-            } text-gray-4000 pointer-events-none max-w-[calc(100%-24px)] cursor-none overflow-hidden bg-white px-2 text-ellipsis whitespace-nowrap transition-all peer-placeholder-shown:top-2.5 peer-placeholder-shown:left-3 peer-placeholder-shown:text-base peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs dark:bg-[#26272E] dark:text-gray-400`}
+            } text-muted-foreground bg-card pointer-events-none max-w-[calc(100%-24px)] cursor-none overflow-hidden px-2 text-ellipsis whitespace-nowrap transition-all peer-placeholder-shown:top-2.5 peer-placeholder-shown:left-3 peer-placeholder-shown:text-base peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs`}
           >
             {t('modals.prompts.promptText')}
           </label>
@@ -278,7 +278,7 @@ function AddPrompt({
           <span className="font-bold">
             {t('modals.prompts.variablesLabel')}
           </span>
-          <span className="text-xs text-[10px] font-medium text-gray-500">
+          <span className="text-muted-foreground text-xs text-[10px] font-medium">
             {t('modals.prompts.variablesDescription')}
           </span>
         </p>
@@ -326,7 +326,6 @@ function AddPrompt({
             placeholder={t('modals.prompts.systemVariablesDropdownLabel')}
             size="w-[140px] sm:w-[185px]"
             rounded="3xl"
-            border="border"
             contentSize="text-[12px] sm:text-[14px]"
           />
 
@@ -371,7 +370,6 @@ function AddPrompt({
             placeholder="Tool Variables"
             size="w-[140px] sm:w-[171px]"
             rounded="3xl"
-            border="border"
             contentSize="text-[12px] sm:text-[14px]"
           />
         </div>
@@ -387,7 +385,7 @@ function AddPrompt({
             <img
               src={BookIcon}
               alt=""
-              className="flex h-4 w-3 flex-shrink-0 items-center justify-center"
+              className="flex h-4 w-3 shrink-0 items-center justify-center"
               aria-hidden="true"
             />
             <span className="text-[14px] font-bold">
@@ -448,7 +446,7 @@ function EditPrompt({
       <p className="mb-1 text-xl font-semibold text-[#2B2B2B] dark:text-white">
         {t('modals.prompts.editPrompt')}
       </p>
-      <p className="mb-6 text-sm text-[#6B6B6B] dark:text-[#9A9AA0]">
+      <p className="dark:text-muted-foreground mb-6 text-sm text-[#6B6B6B]">
         {t('modals.prompts.editDescription')}
       </p>
       <div>
@@ -460,7 +458,7 @@ function EditPrompt({
           textSize="medium"
           value={editPromptName}
           onChange={(e) => setEditPromptName(e.target.value)}
-          labelBgClassName="bg-white dark:bg-[#26272E]"
+          labelBgClassName="bg-card"
           borderVariant="thick"
         />
 
@@ -475,7 +473,7 @@ function EditPrompt({
             htmlFor="edit-prompt-content"
             className={`absolute z-20 select-none ${
               editPromptContent ? '-top-2.5 left-3 text-xs' : ''
-            } text-gray-4000 pointer-events-none max-w-[calc(100%-24px)] cursor-none overflow-hidden bg-white px-2 text-ellipsis whitespace-nowrap transition-all peer-placeholder-shown:top-2.5 peer-placeholder-shown:left-3 peer-placeholder-shown:text-base peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs dark:bg-[#26272E] dark:text-gray-400`}
+            } text-muted-foreground bg-card pointer-events-none max-w-[calc(100%-24px)] cursor-none overflow-hidden px-2 text-ellipsis whitespace-nowrap transition-all peer-placeholder-shown:top-2.5 peer-placeholder-shown:left-3 peer-placeholder-shown:text-base peer-focus:-top-2.5 peer-focus:left-3 peer-focus:text-xs`}
           >
             {t('modals.prompts.promptText')}
           </label>
@@ -487,7 +485,7 @@ function EditPrompt({
           <span className="font-bold">
             {t('modals.prompts.variablesLabel')}
           </span>
-          <span className="text-xs text-[10px] font-medium text-gray-500">
+          <span className="text-muted-foreground text-xs text-[10px] font-medium">
             {t('modals.prompts.variablesDescription')}
           </span>
         </p>
@@ -535,7 +533,6 @@ function EditPrompt({
             placeholder={t('modals.prompts.systemVariablesDropdownLabel')}
             size="w-[140px] sm:w-[185px]"
             rounded="3xl"
-            border="border"
             contentSize="text-[12px] sm:text-[14px]"
           />
 
@@ -580,7 +577,6 @@ function EditPrompt({
             placeholder="Tool Variables"
             size="w-[140px] sm:w-[171px]"
             rounded="3xl"
-            border="border"
             contentSize="text-[12px] sm:text-[14px]"
           />
         </div>
@@ -596,7 +592,7 @@ function EditPrompt({
             <img
               src={BookIcon}
               alt=""
-              className="flex h-4 w-3 flex-shrink-0 items-center justify-center"
+              className="flex h-4 w-3 shrink-0 items-center justify-center"
               aria-hidden="true"
             />
             <span className="text-[14px] font-bold">
@@ -763,7 +759,7 @@ export default function PromptsModal({
           setNewPromptContent('');
         }
       }}
-      className="mx-4 mt-16 w-[95vw] max-w-[650px] rounded-2xl bg-white px-4 py-4 sm:px-6 sm:py-6 md:max-w-[860px] md:px-8 md:py-6 lg:max-w-[980px] dark:bg-[#1E1E2A]"
+      className="bg-card dark:bg-card mx-4 mt-16 w-[95vw] max-w-[650px] rounded-2xl px-4 py-4 sm:px-6 sm:py-6 md:max-w-[860px] md:px-8 md:py-6 lg:max-w-[980px]"
       contentClassName="!overflow-visible"
     >
       {view}
diff --git a/frontend/src/settings/Analytics.tsx b/frontend/src/settings/Analytics.tsx
index d3659a39..6f7e92a4 100644
--- a/frontend/src/settings/Analytics.tsx
+++ b/frontend/src/settings/Analytics.tsx
@@ -174,12 +174,15 @@ export default function Analytics({ agentId }: AnalyticsProps) {
     fetchFeedbackData(id, filter?.value);
   }, [agentId, feedbackFilter]);
   return (
-    <div className="mt-12">
+    <div className="mt-8">
+      <p className="text-muted-foreground mb-5 text-[15px] leading-6">
+        {t('settings.analytics.subtitle')}
+      </p>
       {/* Messages Analytics */}
-      <div className="mt-8 flex w-full flex-col gap-3 [@media(min-width:1080px)]:flex-row">
-        <div className="border-silver dark:border-silver/40 h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5 [@media(min-width:1080px)]:w-1/2">
+      <div className="mt-4 flex w-full flex-col gap-3 [@media(min-width:1080px)]:flex-row">
+        <div className="border-border dark:border-border h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5 [@media(min-width:1080px)]:w-1/2">
           <div className="flex flex-row items-center justify-start gap-3">
-            <p className="text-jet dark:text-bright-gray font-bold">
+            <p className="text-foreground dark:text-foreground font-bold">
               {t('settings.analytics.messages')}
             </p>
             <Dropdown
@@ -191,7 +194,6 @@ export default function Analytics({ agentId }: AnalyticsProps) {
               }}
               selectedValue={messagesFilter ?? null}
               rounded="3xl"
-              border="border"
               contentSize="text-sm"
             />
           </div>
@@ -225,9 +227,9 @@ export default function Analytics({ agentId }: AnalyticsProps) {
         </div>
 
         {/* Token Usage Analytics */}
-        <div className="border-silver dark:border-silver/40 h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5 [@media(min-width:1080px)]:w-1/2">
+        <div className="border-border dark:border-border h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5 [@media(min-width:1080px)]:w-1/2">
           <div className="flex flex-row items-center justify-start gap-3">
-            <p className="text-jet dark:text-bright-gray font-bold">
+            <p className="text-foreground dark:text-foreground font-bold">
               {t('settings.analytics.tokenUsage')}
             </p>
             <Dropdown
@@ -239,7 +241,6 @@ export default function Analytics({ agentId }: AnalyticsProps) {
               }}
               selectedValue={tokenUsageFilter ?? null}
               rounded="3xl"
-              border="border"
               contentSize="text-sm"
             />
           </div>
@@ -275,9 +276,9 @@ export default function Analytics({ agentId }: AnalyticsProps) {
 
       {/* Feedback Analytics */}
       <div className="mt-8 flex w-full flex-col gap-3">
-        <div className="border-silver dark:border-silver/40 h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5">
+        <div className="border-border dark:border-border h-[345px] w-full overflow-hidden rounded-2xl border px-6 py-5">
           <div className="flex flex-row items-center justify-start gap-3">
-            <p className="text-jet dark:text-bright-gray font-bold">
+            <p className="text-foreground dark:text-foreground font-bold">
               {t('settings.analytics.userFeedback')}
             </p>
             <Dropdown
@@ -289,7 +290,6 @@ export default function Analytics({ agentId }: AnalyticsProps) {
               }}
               selectedValue={feedbackFilter ?? null}
               rounded="3xl"
-              border="border"
               contentSize="text-sm"
             />
           </div>
diff --git a/frontend/src/settings/General.tsx b/frontend/src/settings/General.tsx
index 866e4592..4572167a 100644
--- a/frontend/src/settings/General.tsx
+++ b/frontend/src/settings/General.tsx
@@ -55,8 +55,7 @@ export default function General() {
     changeLanguage(selectedLanguage?.value);
   }, [selectedLanguage, changeLanguage]);
   return (
-    <div className="mt-12 flex flex-col gap-4">
-      {' '}
+    <div className="mt-8 flex flex-col gap-6">
       <div className="flex flex-col gap-4">
         <Prompts
           prompts={prompts}
@@ -65,11 +64,11 @@ export default function General() {
             dispatch(setPrompt({ name: name, id: id, type: type }))
           }
           setPrompts={(newPrompts) => dispatch(setPrompts(newPrompts))}
-          dropdownProps={{ size: 'w-56', rounded: '3xl', border: 'border' }}
+          dropdownProps={{ size: 'w-56', rounded: '3xl' }}
         />
       </div>
       <div className="flex flex-col gap-4">
-        <label className="text-jet dark:text-bright-gray text-base font-medium">
+        <label className="text-foreground dark:text-foreground text-base font-medium">
           {t('settings.general.chunks')}
         </label>
         <Dropdown
@@ -78,12 +77,10 @@ export default function General() {
           onSelect={(value: string) => dispatch(setChunks(value))}
           size="w-56"
           rounded="3xl"
-          border="border"
         />
       </div>
       <div className="flex flex-col gap-4">
-        {' '}
-        <label className="text-jet dark:text-bright-gray text-base font-medium">
+        <label className="text-foreground dark:text-foreground text-base font-medium">
           {t('settings.general.selectTheme')}
         </label>
         <Dropdown
@@ -97,11 +94,10 @@ export default function General() {
           }}
           size="w-56"
           rounded="3xl"
-          border="border"
         />
       </div>
       <div className="flex flex-col gap-4">
-        <label className="text-jet dark:text-bright-gray text-base font-medium">
+        <label className="text-foreground dark:text-foreground text-base font-medium">
           {t('settings.general.selectLanguage')}
         </label>
         <Dropdown
@@ -115,14 +111,13 @@ export default function General() {
           }}
           size="w-56"
           rounded="3xl"
-          border="border"
         />
       </div>
-      <hr className="border-silver dark:border-silver/40 my-4 w-[calc(min(665px,100%))] border-t" />
+      <hr className="border-border dark:border-border my-4 w-[calc(min(665px,100%))] border-t" />
       <div className="flex flex-col gap-2">
         <button
           title={t('settings.general.deleteAllLabel')}
-          className="border-rosso-corsa text-rosso-corsa hover:bg-rosso-corsa flex w-fit cursor-pointer items-center justify-between rounded-3xl border border-solid bg-transparent px-5 py-3 text-sm font-medium tracking-[0.015em] transition-colors hover:font-bold hover:tracking-normal hover:text-white"
+          className="border-destructive text-destructive hover:bg-destructive flex w-fit cursor-pointer items-center justify-between rounded-3xl border border-solid bg-transparent px-5 py-3 text-sm font-medium tracking-[0.015em] transition-colors hover:font-bold hover:tracking-normal hover:text-white"
           onClick={() => dispatch(setModalStateDeleteConv('ACTIVE'))}
         >
           {t('settings.general.deleteAllBtn')}
diff --git a/frontend/src/settings/Logs.tsx b/frontend/src/settings/Logs.tsx
index ed345cd0..02b27dc0 100644
--- a/frontend/src/settings/Logs.tsx
+++ b/frontend/src/settings/Logs.tsx
@@ -16,6 +16,7 @@ type LogsProps = {
 };
 
 export default function Logs({ agentId, tableHeader }: LogsProps) {
+  const { t } = useTranslation();
   const token = useSelector(selectToken);
   const [logsByPage, setLogsByPage] = useState<Record<number, LogData[]>>({});
   const [page, setPage] = useState(1);
@@ -56,8 +57,11 @@ export default function Logs({ agentId, tableHeader }: LogsProps) {
     if (hasMore) fetchLogs();
   }, [page, agentId]);
   return (
-    <div className="mt-12">
-      <div className="mt-8">
+    <div className="mt-8">
+      <p className="text-muted-foreground mb-5 text-[15px] leading-6">
+        {t('settings.logs.subtitle')}
+      </p>
+      <div>
         <LogsTable
           logs={logs}
           setPage={setPage}
@@ -113,9 +117,9 @@ function LogsTable({ logs, setPage, loading, tableHeader }: LogsTableProps) {
   }, []);
 
   return (
-    <div className="logs-table border-light-silver h-[55vh] w-full overflow-hidden rounded-xl border bg-white dark:border-transparent dark:bg-black">
-      <div className="dark:bg-eerie-black-2 flex h-8 flex-col items-start justify-center bg-black/10">
-        <p className="dark:text-gray-6000 px-3 text-xs">
+    <div className="logs-table border-border bg-card h-[55vh] w-full overflow-hidden rounded-xl border dark:bg-black">
+      <div className="flex h-8 flex-col items-start justify-center bg-black/10 dark:bg-white/5">
+        <p className="text-muted-foreground px-3 text-xs">
           {tableHeader ? tableHeader : t('settings.logs.tableHeader')}
         </p>
       </div>
@@ -164,11 +168,11 @@ function Log({
   const { id, action, timestamp, ...filteredLog } = log;
 
   return (
-    <div className="group dark:hover:bg-dark-charcoal w-full rounded-xl bg-transparent hover:bg-[#F9F9F9]">
+    <div className="group dark:hover:bg-accent hover:bg-muted w-full rounded-xl bg-transparent">
       <div
         onClick={() => onToggle(log.id)}
-        className={`flex cursor-pointer flex-row items-start gap-2 p-2 px-4 py-3 text-gray-900 ${
-          isOpen ? 'rounded-t-xl bg-[#F1F1F1] dark:bg-[#1B1B1B]' : ''
+        className={`text-foreground flex cursor-pointer flex-row items-start gap-2 p-2 px-4 py-3 ${
+          isOpen ? 'dark:bg-background rounded-t-xl bg-[#F1F1F1]' : ''
         }`}
       >
         <img
@@ -177,10 +181,10 @@ function Log({
           className={`mt-[3px] h-3 w-3 transition duration-300 ${isOpen ? 'rotate-90' : ''}`}
         />
         <span className="flex flex-row gap-2">
-          <h2 className="dark:text-bright-gray text-xs text-black/60">{`${log.timestamp}`}</h2>
-          <h2 className="text-xs text-[#913400] dark:text-[#DF5200]">{`[${log.action}]`}</h2>
+          <h2 className="dark:text-foreground text-xs text-black/60">{`${log.timestamp}`}</h2>
+          <h2 className="text-xs text-[#913400] dark:text-orange-500">{`[${log.action}]`}</h2>
           <h2
-            className={`max-w-72 text-xs ${logLevelColor[log.level]} break-words`}
+            className={`max-w-72 text-xs ${logLevelColor[log.level]} wrap-break-word`}
           >
             {`${log.question}`.length > 250
               ? `${log.question.substring(0, 250)}...`
@@ -189,9 +193,9 @@ function Log({
         </span>
       </div>
       {isOpen && (
-        <div className="rounded-b-xl bg-[#F1F1F1] px-4 py-3 dark:bg-[#1B1B1B]">
+        <div className="dark:bg-background rounded-b-xl bg-[#F1F1F1] px-4 py-3">
           <div className="scrollbar-overlay overflow-y-auto">
-            <pre className="px-2 font-mono text-xs leading-relaxed break-words whitespace-pre-wrap text-gray-700 dark:text-gray-400">
+            <pre className="px-2 font-mono text-xs leading-relaxed wrap-break-word whitespace-pre-wrap text-gray-700 dark:text-gray-400">
               {JSON.stringify(filteredLog, null, 2)}
             </pre>
           </div>
diff --git a/frontend/src/settings/Prompts.tsx b/frontend/src/settings/Prompts.tsx
index 183b3751..35b546a0 100644
--- a/frontend/src/settings/Prompts.tsx
+++ b/frontend/src/settings/Prompts.tsx
@@ -3,8 +3,7 @@ import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 
 import userService from '../api/services/userService';
-import SearchableDropdown from '../components/SearchableDropdown';
-import { DropdownProps } from '../components/types/Dropdown.types';
+import Dropdown, { DropdownProps } from '../components/Dropdown';
 import ConfirmationModal from '../modals/ConfirmationModal';
 import { ActiveState, PromptProps } from '../models/misc';
 import { selectToken } from '../preferences/preferenceSlice';
@@ -23,7 +22,7 @@ export default function Prompts({
   onSelectPrompt,
   setPrompts,
   title,
-  titleClassName = 'dark:text-bright-gray font-medium',
+  titleClassName = 'dark:text-foreground font-medium',
   dropdownProps = {},
   showAddButton = true,
 }: ExtendedPromptProps) {
@@ -186,8 +185,9 @@ export default function Prompts({
           <p className={titleClassName}>
             {title ? title : t('settings.general.prompt')}
           </p>
-          <div className="flex flex-row flex-wrap items-baseline justify-start gap-6">
-            <SearchableDropdown
+          <div className="flex flex-row flex-wrap items-end justify-start gap-6">
+            <Dropdown
+              searchable
               options={prompts.map((prompt: any) =>
                 typeof prompt === 'string'
                   ? { name: prompt, id: prompt, type: '' }
@@ -218,7 +218,7 @@ export default function Prompts({
             />
             {showAddButton && (
               <button
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue h-10 w-20 rounded-3xl border border-solid text-sm transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 w-20 rounded-3xl border border-solid py-3 text-sm transition-colors hover:text-white"
                 onClick={() => {
                   setModalType('ADD');
                   setModalState('ACTIVE');
diff --git a/frontend/src/settings/Sources.tsx b/frontend/src/settings/Sources.tsx
index 6f6edcd6..2272c57d 100644
--- a/frontend/src/settings/Sources.tsx
+++ b/frontend/src/settings/Sources.tsx
@@ -8,6 +8,7 @@ import EyeView from '../assets/eye-view.svg';
 import NoFilesIcon from '../assets/no-files.svg';
 import NoFilesDarkIcon from '../assets/no-files-dark.svg';
 import Trash from '../assets/red-trash.svg';
+import SearchIcon from '../assets/search.svg';
 import SyncIcon from '../assets/sync.svg';
 import ThreeDots from '../assets/three-dots.svg';
 import CalendarIcon from '../assets/calendar.svg';
@@ -361,17 +362,20 @@ export default function Sources({
   ) : (
     <div className="mt-8 flex w-full max-w-full flex-col overflow-hidden">
       <div className="relative flex grow flex-col">
-        <div className="mb-6">
-          <h2 className="text-sonic-silver text-base font-medium">
-            {t('settings.sources.title')}
-          </h2>
-        </div>
+        <p className="text-muted-foreground mb-5 text-[15px] leading-6">
+          {t('settings.sources.subtitle')}
+        </p>
         <div className="mb-6 flex flex-col items-start justify-between gap-3 sm:flex-row sm:items-center">
           <div className="w-full sm:w-auto">
             <label htmlFor="document-search-input" className="sr-only">
               {t('settings.sources.searchPlaceholder')}
             </label>
-            <div className="relative w-[280px]">
+            <div className="relative w-full max-w-md">
+              <img
+                src={SearchIcon}
+                alt=""
+                className="absolute top-1/2 left-4 h-5 w-5 -translate-y-1/2 opacity-40"
+              />
               <input
                 maxLength={256}
                 placeholder={t('settings.sources.searchPlaceholder')}
@@ -383,12 +387,12 @@ export default function Sources({
                   setSearchTerm(e.target.value);
                   setCurrentPage(1);
                 }}
-                className="border-silver dark:border-silver/40 text-jet dark:text-bright-gray focus:border-silver dark:focus:border-silver/60 h-[32px] w-full rounded-full border bg-transparent px-3 text-sm outline-none placeholder:text-gray-400 dark:placeholder:text-gray-500"
+                className="border-border bg-card text-foreground placeholder:text-muted-foreground h-11 w-full rounded-full border py-2 pr-5 pl-11 text-sm shadow-[0_1px_4px_rgba(0,0,0,0.06)] transition-shadow outline-none focus:shadow-[0_2px_8px_rgba(0,0,0,0.1)] dark:shadow-none"
               />
             </div>
           </div>
           <button
-            className="bg-purple-30 hover:bg-violets-are-blue flex h-[38px] min-w-[108px] items-center justify-center rounded-full px-4 text-[14px] whitespace-normal text-white"
+            className="bg-primary hover:bg-primary/90 flex h-11 min-w-[108px] items-center justify-center rounded-full px-4 text-sm whitespace-normal text-white"
             title={t('settings.sources.addSource')}
             onClick={() => {
               setIsOnboarding(false);
@@ -422,7 +426,7 @@ export default function Sources({
                 return (
                   <div key={docId} className="relative">
                     <div
-                      className={`flex h-[130px] w-full flex-col rounded-2xl bg-[#F9F9F9] p-3 transition-all duration-200 dark:bg-[#383838] ${
+                      className={`bg-muted dark:bg-accent flex h-[130px] w-full flex-col rounded-2xl p-3 transition-all duration-200 ${
                         activeMenuId === docId || syncMenuState.docId === docId
                           ? 'scale-[1.05]'
                           : 'hover:scale-[1.05]'
@@ -431,7 +435,7 @@ export default function Sources({
                       <div className="w-full flex-1">
                         <div className="flex w-full items-center justify-between gap-2">
                           <h3
-                            className="font-inter dark:text-bright-gray line-clamp-3 text-[13px] leading-[18px] font-semibold break-words text-[#18181B]"
+                            className="font-inter dark:text-foreground text-foreground line-clamp-3 text-[13px] leading-[18px] font-semibold wrap-break-word"
                             title={document.name}
                           >
                             {document.name}
@@ -472,7 +476,7 @@ export default function Sources({
                                 e.stopPropagation();
                                 handleMenuClick(e, docId);
                               }}
-                              className="inline-flex h-[35px] w-[24px] shrink-0 items-center justify-center rounded-md transition-colors hover:bg-[#EBEBEB] dark:hover:bg-[#26272E]"
+                              className="dark:hover:bg-muted inline-flex h-[35px] w-6 shrink-0 items-center justify-center rounded-md transition-colors hover:bg-[#EBEBEB]"
                               aria-label={t('settings.sources.menuAlt')}
                               data-testid={`menu-button-${docId}`}
                             >
@@ -491,19 +495,15 @@ export default function Sources({
                           <img
                             src={CalendarIcon}
                             alt=""
-                            className="h-[14px] w-[14px]"
+                            className="h-3.5 w-3.5"
                           />
-                          <span className="font-inter text-[12px] leading-[18px] font-[500] text-[#848484] dark:text-[#848484]">
+                          <span className="font-inter text-muted-foreground text-[12px] leading-[18px] font-medium">
                             {document.date ? formatDate(document.date) : ''}
                           </span>
                         </div>
                         <div className="flex items-center gap-2">
-                          <img
-                            src={DiscIcon}
-                            alt=""
-                            className="h-[14px] w-[14px]"
-                          />
-                          <span className="font-inter text-[12px] leading-[18px] font-[500] text-[#848484] dark:text-[#848484]">
+                          <img src={DiscIcon} alt="" className="h-3.5 w-3.5" />
+                          <span className="font-inter text-muted-foreground text-[12px] leading-[18px] font-medium">
                             {document.tokens
                               ? formatTokens(+document.tokens)
                               : ''}
diff --git a/frontend/src/settings/ToolConfig.tsx b/frontend/src/settings/ToolConfig.tsx
index 9254d3e2..8c8faff6 100644
--- a/frontend/src/settings/ToolConfig.tsx
+++ b/frontend/src/settings/ToolConfig.tsx
@@ -330,9 +330,9 @@ export default function ToolConfig({
   return (
     <div className="scrollbar-overlay mt-8 flex flex-col gap-4">
       <div className="mb-4 flex items-center justify-between">
-        <div className="text-eerie-black dark:text-bright-gray flex items-center gap-3 text-sm">
+        <div className="text-foreground dark:text-foreground flex items-center gap-3 text-sm">
           <button
-            className="rounded-full border p-3 text-sm text-gray-400 dark:border-0 dark:bg-[#28292D] dark:text-gray-500 dark:hover:bg-[#2E2F34]"
+            className="border-border text-muted-foreground hover:bg-accent rounded-full border p-3 text-sm"
             onClick={handleBackClick}
           >
             <img src={ArrowLeft} alt="left-arrow" className="h-3 w-3" />
@@ -340,7 +340,7 @@ export default function ToolConfig({
           <p className="mt-px">{t('settings.tools.backToAllTools')}</p>
         </div>
         <button
-          className="bg-purple-30 hover:bg-violets-are-blue rounded-full px-3 py-2 text-xs text-nowrap text-white transition-colors disabled:cursor-not-allowed disabled:opacity-50 sm:px-4 sm:py-2"
+          className="bg-primary hover:bg-primary/90 rounded-full px-3 py-2 text-xs text-nowrap text-white transition-colors disabled:cursor-not-allowed disabled:opacity-50 sm:px-4 sm:py-2"
           onClick={handleSaveChanges}
           disabled={!hasUnsavedChanges || saving}
         >
@@ -353,7 +353,7 @@ export default function ToolConfig({
         </div>
       )}
       <div className="mt-1">
-        <p className="text-eerie-black dark:text-bright-gray text-sm font-semibold">
+        <p className="text-foreground dark:text-foreground text-sm font-semibold">
           {t('settings.tools.customName')}
         </p>
         <div className="relative mt-4 w-full max-w-96">
@@ -370,7 +370,7 @@ export default function ToolConfig({
         {tool.name !== 'api_tool' &&
           Object.keys(configRequirements).length > 0 && (
             <div>
-              <p className="text-eerie-black dark:text-bright-gray mb-4 text-sm font-semibold">
+              <p className="text-foreground dark:text-foreground mb-4 text-sm font-semibold">
                 {t('settings.tools.authentication')}
               </p>
               <div className="max-w-96">
@@ -391,20 +391,20 @@ export default function ToolConfig({
       <div className="flex flex-col gap-4">
         <div className="mx-0 my-2 h-[0.8px] w-full rounded-full bg-[#C4C4C4]/40"></div>
         <div className="flex w-full flex-row items-center justify-between gap-2">
-          <p className="text-eerie-black dark:text-bright-gray text-base font-semibold">
+          <p className="text-foreground dark:text-foreground text-base font-semibold">
             {t('settings.tools.actions')}
           </p>
           {tool.name === 'api_tool' && (
             <div className="flex gap-2">
               <button
                 onClick={() => setImportModalState('ACTIVE')}
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue rounded-full border border-solid px-5 py-1 text-sm transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 rounded-full border border-solid px-5 py-1 text-sm transition-colors hover:text-white"
               >
                 {t('settings.tools.importSpec')}
               </button>
               <button
                 onClick={() => setActionModalState('ACTIVE')}
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue rounded-full border border-solid px-5 py-1 text-sm transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 rounded-full border border-solid px-5 py-1 text-sm transition-colors hover:text-white"
               >
                 {t('settings.tools.addAction')}
               </button>
@@ -434,26 +434,24 @@ export default function ToolConfig({
             {'actions' in tool && tool.actions && tool.actions.length > 0 ? (
               <>
                 <div className="relative">
+                  <svg
+                    className="text-muted-foreground absolute top-1/2 left-3 h-4 w-4 -translate-y-1/2"
+                    xmlns="http://www.w3.org/2000/svg"
+                    fill="none"
+                    viewBox="0 0 24 24"
+                    strokeWidth={2}
+                    stroke="currentColor"
+                  >
+                    <circle cx="11" cy="11" r="8" />
+                    <path strokeLinecap="round" d="m21 21-4.35-4.35" />
+                  </svg>
                   <input
                     type="text"
                     value={userActionsSearch}
                     onChange={(e) => setUserActionsSearch(e.target.value)}
                     placeholder={t('settings.tools.searchActions')}
-                    className="border-silver dark:border-silver/40 dark:bg-raisin-black w-full rounded-full border px-4 py-2 pl-10 text-sm outline-none focus:border-purple-500 dark:text-white dark:placeholder-gray-500"
+                    className="border-border text-foreground placeholder:text-muted-foreground h-10 w-full rounded-full border bg-transparent pr-4 pl-10 text-sm outline-none"
                   />
-                  <svg
-                    className="absolute top-1/2 left-3 h-4 w-4 -translate-y-1/2 text-gray-400"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                  >
-                    <path
-                      strokeLinecap="round"
-                      strokeLinejoin="round"
-                      strokeWidth={2}
-                      d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"
-                    />
-                  </svg>
                 </div>
 
                 {filteredUserActions.length === 0 && userActionsSearch && (
@@ -467,10 +465,10 @@ export default function ToolConfig({
                   return (
                     <div
                       key={originalIndex}
-                      className="border-silver dark:border-silver/40 w-full rounded-xl border"
+                      className="border-border dark:border-border w-full rounded-xl border"
                     >
                       <div
-                        className={`border-silver dark:border-silver/40 flex cursor-pointer flex-wrap items-center justify-between ${isExpanded ? 'rounded-t-xl border-b' : 'rounded-xl'} bg-[#F9F9F9] px-4 py-3 dark:bg-[#28292D]`}
+                        className={`border-border dark:border-border flex cursor-pointer flex-wrap items-center justify-between ${isExpanded ? 'rounded-t-xl border-b' : 'rounded-xl'} bg-muted px-4 py-3`}
                         onClick={() => toggleUserActionExpand(originalIndex)}
                       >
                         <div className="flex items-center gap-3">
@@ -479,7 +477,7 @@ export default function ToolConfig({
                             alt="expand"
                             className={`h-4 w-4 opacity-60 transition-transform duration-200 ${isExpanded ? 'rotate-90' : ''}`}
                           />
-                          <p className="text-eerie-black dark:text-bright-gray font-semibold">
+                          <p className="text-foreground dark:text-foreground font-semibold">
                             {action.name}
                           </p>
                           {action.description && (
@@ -588,7 +586,7 @@ export default function ToolConfig({
                                         <input
                                           key={uniqueKey}
                                           value={param[1].description}
-                                          className="border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                                          className="border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                                           onChange={(e) => {
                                             setTool({
                                               ...tool,
@@ -626,7 +624,7 @@ export default function ToolConfig({
                                           value={param[1].value}
                                           key={uniqueKey}
                                           disabled={param[1].filled_by_llm}
-                                          className={`border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden ${param[1].filled_by_llm ? 'opacity-50' : ''}`}
+                                          className={`border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden ${param[1].filled_by_llm ? 'opacity-50' : ''}`}
                                           onChange={(e) => {
                                             setTool({
                                               ...tool,
@@ -855,26 +853,24 @@ function APIToolConfig({
   return (
     <div className="scrollbar-overlay flex flex-col gap-4">
       <div className="relative">
+        <svg
+          className="text-muted-foreground absolute top-1/2 left-3 h-4 w-4 -translate-y-1/2"
+          xmlns="http://www.w3.org/2000/svg"
+          fill="none"
+          viewBox="0 0 24 24"
+          strokeWidth={2}
+          stroke="currentColor"
+        >
+          <circle cx="11" cy="11" r="8" />
+          <path strokeLinecap="round" d="m21 21-4.35-4.35" />
+        </svg>
         <input
           type="text"
           value={searchQuery}
           onChange={(e) => setSearchQuery(e.target.value)}
           placeholder={t('settings.tools.searchActions')}
-          className="border-silver dark:border-silver/40 dark:bg-raisin-black w-full rounded-full border px-4 py-2 pl-10 text-sm outline-none focus:border-purple-500 dark:text-white dark:placeholder-gray-500"
+          className="border-border text-foreground placeholder:text-muted-foreground h-10 w-full rounded-full border bg-transparent pr-4 pl-10 text-sm outline-none"
         />
-        <svg
-          className="absolute top-1/2 left-3 h-4 w-4 -translate-y-1/2 text-gray-400"
-          fill="none"
-          stroke="currentColor"
-          viewBox="0 0 24 24"
-        >
-          <path
-            strokeLinecap="round"
-            strokeLinejoin="round"
-            strokeWidth={2}
-            d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"
-          />
-        </svg>
       </div>
 
       {filteredActions.length === 0 && searchQuery && (
@@ -889,10 +885,10 @@ function APIToolConfig({
           return (
             <div
               key={actionIndex}
-              className="border-silver dark:border-silver/40 w-full rounded-xl border"
+              className="border-border dark:border-border w-full rounded-xl border"
             >
               <div
-                className={`border-silver dark:border-silver/40 flex cursor-pointer flex-wrap items-center justify-between ${isExpanded ? 'rounded-t-xl border-b' : 'rounded-xl'} bg-[#F9F9F9] px-4 py-3 dark:bg-[#28292D]`}
+                className={`border-border dark:border-border flex cursor-pointer flex-wrap items-center justify-between ${isExpanded ? 'rounded-t-xl border-b' : 'rounded-xl'} bg-muted px-4 py-3`}
                 onClick={() => toggleActionExpand(actionName)}
               >
                 <div className="flex items-center gap-3">
@@ -906,7 +902,7 @@ function APIToolConfig({
                   >
                     {action.method}
                   </span>
-                  <p className="text-eerie-black dark:text-bright-gray font-semibold">
+                  <p className="text-foreground dark:text-foreground font-semibold">
                     {action.name}
                   </p>
                   {action.description && (
@@ -969,7 +965,7 @@ function APIToolConfig({
                   </div>
                   <div className="mt-4 px-5 py-2">
                     <div className="relative w-full">
-                      <span className="text-gray-4000 dark:bg-raisin-black dark:text-silver absolute -top-2 left-5 z-10 bg-white px-2 text-xs">
+                      <span className="text-muted-foreground bg-card absolute -top-2 left-5 z-10 px-2 text-xs">
                         {t('settings.tools.method')}
                       </span>
                       <Dropdown
@@ -1011,7 +1007,6 @@ function APIToolConfig({
                         }}
                         size="w-56"
                         rounded="3xl"
-                        border="border"
                       />
                     </div>
                   </div>
@@ -1049,7 +1044,7 @@ function APIToolConfig({
                     action.method === 'OPTIONS') && (
                     <div className="mt-4 px-5 py-2">
                       <div className="relative w-full">
-                        <span className="text-gray-4000 dark:bg-raisin-black dark:text-silver absolute -top-2 left-5 z-10 bg-white px-2 text-xs">
+                        <span className="text-muted-foreground bg-card absolute -top-2 left-5 z-10 px-2 text-xs">
                           {t('settings.tools.bodyContentType')}
                         </span>
                         <Dropdown
@@ -1091,10 +1086,9 @@ function APIToolConfig({
                           }}
                           size="w-56"
                           rounded="3xl"
-                          border="border"
                         />
                       </div>
-                      <p className="text-eerie-black dark:text-bright-gray mt-2 text-xs opacity-60">
+                      <p className="text-foreground dark:text-foreground mt-2 text-xs opacity-60">
                         {action.body_content_type === 'multipart/form-data' &&
                           'For APIs requiring multipart format. File uploads not supported through LLM.'}
                         {action.body_content_type ===
@@ -1346,7 +1340,7 @@ function APIActionTable({
                   <div className="flex flex-row items-center justify-between gap-2">
                     <input
                       value={newPropertyKey}
-                      className="border-silver dark:border-silver/40 flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                      className="border-border dark:border-border flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                       onChange={(e) => setNewPropertyKey(e.target.value)}
                       onKeyDown={(e) => {
                         if (e.key === 'Enter') {
@@ -1376,7 +1370,7 @@ function APIActionTable({
                 ) : (
                   <input
                     value={key}
-                    className="border-silver dark:border-silver/40 flex w-full min-w-[175.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                    className="border-border dark:border-border flex w-full min-w-[175.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                     onFocus={() => handleRenamePropertyStart(section, key)}
                     readOnly
                   />
@@ -1392,7 +1386,7 @@ function APIActionTable({
                       e.target.value as 'string' | 'integer',
                     )
                   }
-                  className="border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                  className="border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                 >
                   <option value="string">string</option>
                   <option value="integer">integer</option>
@@ -1420,7 +1414,7 @@ function APIActionTable({
               <td className="w-10">
                 <input
                   value={param.description}
-                  className="border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                  className="border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                   onChange={(e) =>
                     handlePropertyChange(
                       section,
@@ -1438,7 +1432,7 @@ function APIActionTable({
                   onChange={(e) =>
                     handlePropertyChange(section, key, 'value', e.target.value)
                   }
-                  className={`border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden ${param.filled_by_llm ? 'opacity-50' : ''}`}
+                  className={`border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden ${param.filled_by_llm ? 'opacity-50' : ''}`}
                 ></input>
               </td>
               <td
@@ -1448,7 +1442,7 @@ function APIActionTable({
                   maxWidth: '50px',
                   padding: '0',
                 }}
-                className="border-silver dark:border-silver/40 border-b"
+                className="border-border dark:border-border border-b"
               >
                 <button
                   onClick={() => handlePorpertyDelete(section, key)}
@@ -1472,7 +1466,7 @@ function APIActionTable({
                   }
                 }}
                 placeholder={t('settings.tools.propertyName')}
-                className="border-silver dark:border-silver/40 flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                className="border-border dark:border-border flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
               />
             </td>
             <td>
@@ -1481,7 +1475,7 @@ function APIActionTable({
                 onChange={(e) =>
                   setNewPropertyType(e.target.value as 'string' | 'integer')
                 }
-                className="border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                className="border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
               >
                 <option value="string">string</option>
                 <option value="integer">integer</option>
@@ -1490,7 +1484,7 @@ function APIActionTable({
             <td colSpan={3} className="text-right">
               <button
                 onClick={handleAddProperty}
-                className="bg-purple-30 hover:bg-violets-are-blue mr-1 rounded-full px-5 py-1 text-sm text-white"
+                className="bg-primary hover:bg-primary/90 mr-1 rounded-full px-5 py-1 text-sm text-white"
               >
                 {t('settings.tools.add')}
               </button>
@@ -1515,7 +1509,7 @@ function APIActionTable({
             <td colSpan={5}>
               <button
                 onClick={() => handleAddPropertyStart(section)}
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue flex items-start rounded-full border border-solid px-5 py-1 text-sm text-nowrap transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 flex items-start rounded-full border border-solid px-5 py-1 text-sm text-nowrap transition-colors hover:text-white"
               >
                 {t('settings.tools.addNew')}
               </button>
@@ -1546,7 +1540,7 @@ function APIActionTable({
                   <div className="flex flex-row items-center justify-between gap-2">
                     <input
                       value={newPropertyKey}
-                      className="border-silver dark:border-silver/40 flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                      className="border-border dark:border-border flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                       onChange={(e) => setNewPropertyKey(e.target.value)}
                       onKeyDown={(e) => {
                         if (e.key === 'Enter') {
@@ -1576,7 +1570,7 @@ function APIActionTable({
                 ) : (
                   <input
                     value={key}
-                    className="border-silver dark:border-silver/40 flex w-full min-w-[175.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                    className="border-border dark:border-border flex w-full min-w-[175.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                     onFocus={() => handleRenamePropertyStart('headers', key)}
                     readOnly
                   />
@@ -1594,13 +1588,13 @@ function APIActionTable({
                     )
                   }
                   placeholder="e.g., application/json"
-                  className="border-silver dark:border-silver/40 w-full rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                  className="border-border dark:border-border w-full rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                 />
               </td>
               <td>
                 <input
                   value={param.description}
-                  className="border-silver dark:border-silver/40 rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                  className="border-border dark:border-border rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
                   onChange={(e) =>
                     handlePropertyChange(
                       'headers',
@@ -1618,7 +1612,7 @@ function APIActionTable({
                   maxWidth: '50px',
                   padding: '0',
                 }}
-                className="border-silver dark:border-silver/40 border-b"
+                className="border-border dark:border-border border-b"
               >
                 <button
                   onClick={() => handlePorpertyDelete('headers', key)}
@@ -1642,13 +1636,13 @@ function APIActionTable({
                   }
                 }}
                 placeholder={t('settings.tools.propertyName')}
-                className="border-silver dark:border-silver/40 flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
+                className="border-border dark:border-border flex w-full min-w-[130.5px] items-start rounded-lg border bg-transparent px-2 py-1 text-sm outline-hidden"
               />
             </td>
             <td colSpan={2} className="text-right">
               <button
                 onClick={handleAddProperty}
-                className="bg-purple-30 hover:bg-violets-are-blue mr-1 rounded-full px-5 py-1 text-sm text-white"
+                className="bg-primary hover:bg-primary/90 mr-1 rounded-full px-5 py-1 text-sm text-white"
               >
                 {t('settings.tools.add')}
               </button>
@@ -1673,7 +1667,7 @@ function APIActionTable({
             <td colSpan={3}>
               <button
                 onClick={() => handleAddPropertyStart('headers')}
-                className="border-violets-are-blue text-violets-are-blue hover:bg-violets-are-blue flex items-start rounded-full border border-solid px-5 py-1 text-sm text-nowrap transition-colors hover:text-white"
+                className="border-primary text-primary hover:bg-primary/90 flex items-start rounded-full border border-solid px-5 py-1 text-sm text-nowrap transition-colors hover:text-white"
               >
                 {t('settings.tools.addNew')}
               </button>
@@ -1695,19 +1689,19 @@ function APIActionTable({
   return (
     <div className="scrollbar-overlay flex flex-col gap-6">
       <div>
-        <h3 className="text-eerie-black dark:text-bright-gray mb-1 text-base font-normal">
+        <h3 className="text-foreground dark:text-foreground mb-1 text-base font-normal">
           {t('settings.tools.headers')}
         </h3>
         <table className="table-default">
           <thead>
             <tr>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.name')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.value')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.description')}
               </th>
               <th
@@ -1724,25 +1718,25 @@ function APIActionTable({
         </table>
       </div>
       <div>
-        <h3 className="text-eerie-black dark:text-bright-gray mb-1 text-base font-normal">
+        <h3 className="text-foreground dark:text-foreground mb-1 text-base font-normal">
           {t('settings.tools.queryParameters')}
         </h3>
         <table className="table-default">
           <thead>
             <tr>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.name')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.type')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.filledByLLM')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.description')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.value')}
               </th>
               <th
@@ -1759,25 +1753,25 @@ function APIActionTable({
         </table>
       </div>
       <div className="mb-6">
-        <h3 className="text-eerie-black dark:text-bright-gray mb-1 text-base font-normal">
+        <h3 className="text-foreground dark:text-foreground mb-1 text-base font-normal">
           {t('settings.tools.body')}
         </h3>
         <table className="table-default">
           <thead>
             <tr>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.name')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.type')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.filledByLLM')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.description')}
               </th>
-              <th className="text-eerie-black dark:text-bright-gray px-2 py-1 text-left text-sm font-normal">
+              <th className="text-foreground dark:text-foreground px-2 py-1 text-left text-sm font-normal">
                 {t('settings.tools.value')}
               </th>
               <th
diff --git a/frontend/src/settings/Tools.tsx b/frontend/src/settings/Tools.tsx
index 82905aeb..7c1d23db 100644
--- a/frontend/src/settings/Tools.tsx
+++ b/frontend/src/settings/Tools.tsx
@@ -7,9 +7,9 @@ import userService from '../api/services/userService';
 import Edit from '../assets/edit.svg';
 import NoFilesDarkIcon from '../assets/no-files-dark.svg';
 import NoFilesIcon from '../assets/no-files.svg';
+import SearchIcon from '../assets/search.svg';
 import ThreeDotsIcon from '../assets/three-dots.svg';
 import ContextMenu, { MenuOption } from '../components/ContextMenu';
-import Input from '../components/Input';
 import Spinner from '../components/Spinner';
 import ToggleSwitch from '../components/ToggleSwitch';
 import { useDarkTheme } from '../hooks';
@@ -210,9 +210,17 @@ export default function Tools() {
       ) : (
         <div className="mt-8">
           <div className="relative flex flex-col">
+            <p className="text-muted-foreground mb-5 text-[15px] leading-6">
+              {t('settings.tools.subtitle')}
+            </p>
             <div className="my-3 flex flex-col items-start gap-3 sm:flex-row sm:items-center sm:justify-between">
-              <div className="w-full sm:w-auto">
-                <Input
+              <div className="relative w-full max-w-md">
+                <img
+                  src={SearchIcon}
+                  alt=""
+                  className="absolute top-1/2 left-4 h-5 w-5 -translate-y-1/2 opacity-40"
+                />
+                <input
                   maxLength={256}
                   placeholder={t('settings.tools.searchPlaceholder')}
                   name="Document-search-input"
@@ -220,11 +228,11 @@ export default function Tools() {
                   id="tool-search-input"
                   value={searchTerm}
                   onChange={(e) => setSearchTerm(e.target.value)}
-                  borderVariant="thin"
+                  className="border-border bg-card text-foreground placeholder:text-muted-foreground h-11 w-full rounded-full border py-2 pr-5 pl-11 text-sm shadow-[0_1px_4px_rgba(0,0,0,0.06)] transition-shadow outline-none focus:shadow-[0_2px_8px_rgba(0,0,0,0.1)] dark:shadow-none"
                 />
               </div>
               <button
-                className="bg-purple-30 hover:bg-violets-are-blue flex h-8 min-w-[108px] items-center justify-center rounded-full px-4 text-sm whitespace-normal text-white"
+                className="bg-primary hover:bg-primary/90 flex h-11 min-w-[108px] items-center justify-center rounded-full px-4 text-sm whitespace-normal text-white"
                 onClick={() => {
                   setAddToolModalState('ACTIVE');
                 }}
@@ -232,7 +240,7 @@ export default function Tools() {
                 {t('settings.tools.addTool')}
               </button>
             </div>
-            <div className="border-light-silver dark:border-dim-gray mt-5 mb-8 border-b" />
+            <div className="border-border dark:border-border mt-5 mb-8 border-b" />
             {loading ? (
               <div className="grid grid-cols-2 gap-6 lg:grid-cols-3">
                 <div className="col-span-2 mt-24 flex h-32 items-center justify-center lg:col-span-3">
@@ -253,101 +261,117 @@ export default function Tools() {
                     </p>
                   </div>
                 ) : (
-                  userTools
-                    .filter((tool) =>
+                  (() => {
+                    const filtered = userTools.filter((tool) =>
                       (tool.customName || tool.displayName)
                         .toLowerCase()
                         .includes(searchTerm.toLowerCase()),
-                    )
-                    .map((tool, index) => (
-                      <div
-                        key={index}
-                        className="relative flex h-52 w-[300px] flex-col justify-between overflow-hidden rounded-2xl bg-[#F5F5F5] p-6 hover:bg-[#ECECEC] dark:bg-[#383838] dark:hover:bg-[#303030]"
-                      >
-                        <div
-                          ref={menuRefs.current[tool.id]}
-                          onClick={(e) => {
-                            e.stopPropagation();
-                            setActiveMenuId(
-                              activeMenuId === tool.id ? null : tool.id,
-                            );
-                          }}
-                          className="absolute top-4 right-4 z-10 cursor-pointer"
-                        >
-                          <img
-                            src={ThreeDotsIcon}
-                            alt={t('settings.tools.settingsIconAlt')}
-                            className="h-[19px] w-[19px]"
-                          />
-                          <ContextMenu
-                            isOpen={activeMenuId === tool.id}
-                            setIsOpen={(isOpen) => {
-                              setActiveMenuId(isOpen ? tool.id : null);
-                            }}
-                            options={getMenuOptions(tool)}
-                            anchorRef={menuRefs.current[tool.id]}
-                            position="bottom-right"
-                            offset={{ x: 0, y: 0 }}
-                          />
-                        </div>
-                        <div className="w-full">
-                          <div className="flex w-full items-center gap-2 px-1">
-                            <img
-                              src={`/toolIcons/tool_${tool.name}.svg`}
-                              alt={`${tool.displayName} icon`}
-                              className="h-6 w-6"
-                            />
-                            {tool.name === 'mcp_tool' &&
-                              mcpStatuses[tool.id] && (
-                                <span
-                                  className={`inline-flex items-center rounded-full px-2 py-0.5 text-[10px] font-medium leading-none ${
-                                    mcpStatuses[tool.id] === 'connected'
-                                      ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300'
-                                      : mcpStatuses[tool.id] === 'needs_auth'
-                                        ? 'bg-amber-100 text-amber-700 dark:bg-amber-900/40 dark:text-amber-300'
-                                        : 'bg-gray-100 text-gray-600 dark:bg-gray-700/40 dark:text-gray-300'
-                                  }`}
-                                >
-                                  {mcpStatuses[tool.id] === 'connected'
-                                    ? t('settings.tools.authStatus.connected')
-                                    : mcpStatuses[tool.id] === 'needs_auth'
-                                      ? t('settings.tools.authStatus.needsAuth')
-                                      : t(
-                                          'settings.tools.authStatus.configured',
-                                        )}
-                                </span>
-                              )}
-                          </div>
-                          <div className="mt-[9px]">
-                            <p
-                              title={tool.customName || tool.displayName}
-                              className="text-raisin-black-light dark:text-bright-gray truncate px-1 text-[13px] leading-relaxed font-semibold capitalize"
-                            >
-                              {tool.customName || tool.displayName}
-                            </p>
-                            <p
-                              className="text-old-silver dark:text-sonic-silver-light mt-1 line-clamp-4 max-h-24 overflow-hidden px-1 text-[12px] leading-relaxed break-all"
-                              title={tool.description}
-                            >
-                              {tool.description}
-                            </p>
-                          </div>
-                        </div>
-                        <div className="absolute right-4 bottom-4">
-                          <ToggleSwitch
-                            checked={tool.status}
-                            onChange={(checked) =>
-                              updateToolStatus(tool.id, checked)
-                            }
-                            size="small"
-                            id={`toolToggle-${index}`}
-                            ariaLabel={t('settings.tools.toggleToolAria', {
-                              toolName: tool.customName || tool.displayName,
-                            })}
-                          />
-                        </div>
+                    );
+                    return filtered.length === 0 ? (
+                      <div className="flex w-full flex-col items-center justify-center py-12">
+                        <img
+                          src={isDarkTheme ? NoFilesDarkIcon : NoFilesIcon}
+                          alt={t('settings.tools.noToolsFound')}
+                          className="mx-auto mb-6 h-32 w-32"
+                        />
+                        <p className="text-center text-lg text-gray-500 dark:text-gray-400">
+                          {t('settings.tools.noToolsFound')}
+                        </p>
                       </div>
-                    ))
+                    ) : (
+                      filtered.map((tool, index) => (
+                        <div
+                          key={index}
+                          className="bg-muted hover:bg-accent relative flex h-52 w-[300px] flex-col justify-between overflow-hidden rounded-2xl p-6"
+                        >
+                          <div
+                            ref={menuRefs.current[tool.id]}
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              setActiveMenuId(
+                                activeMenuId === tool.id ? null : tool.id,
+                              );
+                            }}
+                            className="absolute top-4 right-4 z-10 cursor-pointer"
+                          >
+                            <img
+                              src={ThreeDotsIcon}
+                              alt={t('settings.tools.settingsIconAlt')}
+                              className="h-[19px] w-[19px]"
+                            />
+                            <ContextMenu
+                              isOpen={activeMenuId === tool.id}
+                              setIsOpen={(isOpen) => {
+                                setActiveMenuId(isOpen ? tool.id : null);
+                              }}
+                              options={getMenuOptions(tool)}
+                              anchorRef={menuRefs.current[tool.id]}
+                              position="bottom-right"
+                              offset={{ x: 0, y: 0 }}
+                            />
+                          </div>
+                          <div className="w-full">
+                            <div className="flex w-full items-center gap-2 px-1">
+                              <img
+                                src={`/toolIcons/tool_${tool.name}.svg`}
+                                alt={`${tool.displayName} icon`}
+                                className="h-6 w-6"
+                              />
+                              {tool.name === 'mcp_tool' &&
+                                mcpStatuses[tool.id] && (
+                                  <span
+                                    className={`inline-flex items-center rounded-full px-2 py-0.5 text-[10px] leading-none font-medium ${
+                                      mcpStatuses[tool.id] === 'connected'
+                                        ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300'
+                                        : mcpStatuses[tool.id] === 'needs_auth'
+                                          ? 'bg-amber-100 text-amber-700 dark:bg-amber-900/40 dark:text-amber-300'
+                                          : 'bg-gray-100 text-gray-600 dark:bg-gray-700/40 dark:text-gray-300'
+                                    }`}
+                                  >
+                                    {mcpStatuses[tool.id] === 'connected'
+                                      ? t('settings.tools.authStatus.connected')
+                                      : mcpStatuses[tool.id] === 'needs_auth'
+                                        ? t(
+                                            'settings.tools.authStatus.needsAuth',
+                                          )
+                                        : t(
+                                            'settings.tools.authStatus.configured',
+                                          )}
+                                  </span>
+                                )}
+                            </div>
+                            <div className="mt-[9px]">
+                              <p
+                                title={tool.customName || tool.displayName}
+                                className="text-foreground dark:text-foreground truncate px-1 text-[13px] leading-relaxed font-semibold capitalize"
+                              >
+                                {tool.customName || tool.displayName}
+                              </p>
+                              <p
+                                className="text-muted-foreground mt-1 line-clamp-4 max-h-24 overflow-hidden px-1 text-[12px] leading-relaxed break-all"
+                                title={tool.description}
+                              >
+                                {tool.description}
+                              </p>
+                            </div>
+                          </div>
+                          <div className="absolute right-4 bottom-4">
+                            <ToggleSwitch
+                              checked={tool.status}
+                              onChange={(checked) =>
+                                updateToolStatus(tool.id, checked)
+                              }
+                              size="small"
+                              id={`toolToggle-${index}`}
+                              ariaLabel={t('settings.tools.toggleToolAria', {
+                                toolName: tool.customName || tool.displayName,
+                              })}
+                            />
+                          </div>
+                        </div>
+                      ))
+                    );
+                  })()
                 )}
               </div>
             )}
diff --git a/frontend/src/settings/index.tsx b/frontend/src/settings/index.tsx
index 12467e21..ecff9fc6 100644
--- a/frontend/src/settings/index.tsx
+++ b/frontend/src/settings/index.tsx
@@ -92,7 +92,7 @@ export default function Settings() {
 
   return (
     <div className="h-full overflow-auto p-4 md:p-12">
-      <p className="text-eerie-black dark:text-bright-gray text-2xl font-bold">
+      <p className="text-foreground dark:text-foreground text-2xl font-bold">
         {t('settings.label')}
       </p>
       <SettingsBar
diff --git a/frontend/src/store.ts b/frontend/src/store.ts
index 0bfb51c6..571a367c 100644
--- a/frontend/src/store.ts
+++ b/frontend/src/store.ts
@@ -78,4 +78,4 @@ export default store;
 
 // TODO : use https://redux-toolkit.js.org/tutorials/typescript#define-typed-hooks everywere instead of direct useDispatch
 
-// TODO : streamline async state management
\ No newline at end of file
+// TODO : streamline async state management
diff --git a/frontend/src/upload/Upload.tsx b/frontend/src/upload/Upload.tsx
index 033a0896..ada545ee 100644
--- a/frontend/src/upload/Upload.tsx
+++ b/frontend/src/upload/Upload.tsx
@@ -119,7 +119,7 @@ function Upload({
             borderVariant="thin"
             required={isRequired}
             colorVariant="silver"
-            labelBgClassName="bg-white dark:bg-charleston-green-2"
+            labelBgClassName="bg-card"
           />
         );
       case 'number':
@@ -141,7 +141,7 @@ function Upload({
             borderVariant="thin"
             required={isRequired}
             colorVariant="silver"
-            labelBgClassName="bg-white dark:bg-charleston-green-2"
+            labelBgClassName="bg-card"
           />
         );
       case 'enum':
@@ -165,10 +165,6 @@ function Upload({
             size="w-full"
             rounded="3xl"
             placeholder={field.label}
-            border="border"
-            buttonClassName="border-silver bg-white dark:border-dim-gray dark:bg-[#222327]"
-            optionsClassName="border-silver bg-white dark:border-dim-gray dark:bg-[#383838]"
-            placeholderClassName="text-gray-400 dark:text-silver"
             contentSize="text-sm"
           />
         );
@@ -194,27 +190,27 @@ function Upload({
         return (
           <div key={field.name}>
             <div className="mb-3" {...getRootProps()}>
-              <span className="text-purple-30 dark:text-silver inline-block rounded-3xl border border-[#7F7F82] bg-transparent px-4 py-2 font-medium hover:cursor-pointer">
+              <span className="text-primary dark:text-muted-foreground inline-block rounded-3xl border border-[#7F7F82] bg-transparent px-4 py-2 font-medium hover:cursor-pointer">
                 <input type="button" {...getInputProps()} />
                 {t('modals.uploadDoc.choose')}
               </span>
             </div>
             <div className="mt-4 max-w-full">
-              <p className="text-eerie-black dark:text-light-gray mb-[14px] text-[14px] font-medium">
+              <p className="text-foreground dark:text-foreground mb-3.5 text-[14px] font-medium">
                 {t('modals.uploadDoc.selectedFiles')}
               </p>
               <div className="max-w-full overflow-hidden">
                 {files.map((file) => (
                   <p
                     key={file.name}
-                    className="text-gray-6000 truncate overflow-hidden text-ellipsis dark:text-[#ececf1]"
+                    className="text-muted-foreground truncate overflow-hidden text-ellipsis"
                     title={file.name}
                   >
                     {file.name}
                   </p>
                 ))}
                 {files.length === 0 && (
-                  <p className="text-gray-6000 dark:text-light-gray text-[14px]">
+                  <p className="text-muted-foreground text-[14px]">
                     {t('modals.uploadDoc.noFilesSelected')}
                   </p>
                 )}
@@ -816,7 +812,7 @@ function Upload({
             className={`relative mx-auto flex h-[91.2px] w-full cursor-pointer flex-col justify-between gap-2 rounded-2xl border border-solid pt-[21.1px] pr-[21px] pb-[15px] pl-[21px] transition-colors duration-300 ease-out ${
               ingestor.type === option.value
                 ? 'border-[#7D54D1] bg-[#7D54D1] text-white'
-                : 'border-[#D7D7D7] bg-transparent transition-shadow duration-300 hover:bg-[#ECECEC]/30 hover:shadow-[0_0_15px_0_#00000026] dark:border-[#4A4A4A] dark:hover:bg-[#383838]/30'
+                : 'border-border hover:bg-accent/30 dark:border-border/30 bg-transparent transition-shadow duration-300 hover:shadow-[0_0_15px_0_#00000026]'
             }`}
             onClick={() =>
               handleIngestorTypeChange(option.value as IngestorType)
@@ -847,7 +843,7 @@ function Upload({
     >
       <div className="flex w-full flex-col gap-6">
         {!ingestor.type && (
-          <p className="font-inter text-left text-[20px] leading-[28px] font-semibold tracking-[0.15px] text-[#18181B] dark:text-[#ECECF1]">
+          <p className="font-inter text-foreground dark:text-foreground text-left text-[20px] leading-7 font-semibold tracking-[0.15px]">
             {t('modals.uploadDoc.selectSource')}
           </p>
         )}
@@ -869,7 +865,7 @@ function Upload({
                   <span>{t('modals.uploadDoc.back')}</span>
                 </button>
 
-                <h2 className="font-inter text-[22px] leading-[28px] font-semibold tracking-[0.15px] text-black dark:text-[#E0E0E0]">
+                <h2 className="font-inter text-foreground text-[22px] leading-7 font-semibold tracking-[0.15px]">
                   {ingestor.type &&
                     t(`modals.uploadDoc.ingestors.${ingestor.type}.heading`)}
                 </h2>
@@ -888,7 +884,7 @@ function Upload({
                   borderVariant="thin"
                   placeholder={t('modals.uploadDoc.name')}
                   required={true}
-                  labelBgClassName="bg-white dark:bg-charleston-green-2"
+                  labelBgClassName="bg-card"
                   className="w-full"
                 />
                 {renderFormFields()}
@@ -901,7 +897,7 @@ function Upload({
               ) && (
                 <button
                   onClick={() => setShowAdvancedOptions(!showAdvancedOptions)}
-                  className="text-purple-30 bg-transparent py-2 pl-0 text-left text-sm font-normal hover:cursor-pointer"
+                  className="text-primary bg-transparent py-2 pl-0 text-left text-sm font-normal hover:cursor-pointer"
                 >
                   {showAdvancedOptions
                     ? t('modals.uploadDoc.hideAdvanced')
@@ -917,8 +913,8 @@ function Upload({
               disabled={isUploadDisabled()}
               className={`rounded-3xl px-4 py-2 text-[14px] font-medium ${
                 isUploadDisabled()
-                  ? 'cursor-not-allowed bg-gray-300 text-gray-500'
-                  : 'bg-purple-30 hover:bg-violets-are-blue cursor-pointer text-white'
+                  ? 'dark:bg-muted dark:text-muted-foreground cursor-not-allowed bg-gray-300 text-gray-500'
+                  : 'bg-primary hover:bg-primary/90 cursor-pointer text-white'
               }`}
             >
               {t('modals.uploadDoc.train')}