diff --git a/src/app/dashboard/page.tsx b/src/app/dashboard/page.tsx
index ef30f4a..6e4b839 100644
--- a/src/app/dashboard/page.tsx
+++ b/src/app/dashboard/page.tsx
@@ -182,8 +182,8 @@ export default function DesignStudioPage() {
           <div className="bg-card rounded-lg p-8 shadow-xl max-w-sm mx-4 border">
             <div className="flex flex-col items-center space-y-4">
               <div className="relative">
-                <Loader2 className="w-12 h-12 text-blue-600 animate-spin" />
-                <div className="absolute inset-0 bg-blue-600 rounded-full opacity-20 animate-ping"></div>
+                <Loader2 className="w-12 h-12 text-primary animate-spin" />
+                <div className="absolute inset-0 bg-primary rounded-full opacity-20 animate-ping"></div>
               </div>
               <div className="text-center space-y-2">
                 <h3 className="text-lg font-semibold">Generating Your Design</h3>
@@ -191,9 +191,9 @@ export default function DesignStudioPage() {
                   Our AI is transforming your {selectedRoomType} with {selectedStyle} style...
                 </p>
                 <div className="flex items-center gap-2 text-xs text-muted-foreground">
-                  <div className="w-2 h-2 bg-blue-600 rounded-full animate-bounce"></div>
-                  <div className="w-2 h-2 bg-blue-600 rounded-full animate-bounce" style={{ animationDelay: '0.1s' }}></div>
-                  <div className="w-2 h-2 bg-blue-600 rounded-full animate-bounce" style={{ animationDelay: '0.2s' }}></div>
+                  <div className="w-2 h-2 bg-primary rounded-full animate-bounce"></div>
+                  <div className="w-2 h-2 bg-primary rounded-full animate-bounce" style={{ animationDelay: '0.1s' }}></div>
+                  <div className="w-2 h-2 bg-primary rounded-full animate-bounce" style={{ animationDelay: '0.2s' }}></div>
                 </div>
               </div>
             </div>
@@ -259,7 +259,7 @@ export default function DesignStudioPage() {
                     />
                     <button
                       onClick={() => setUploadedImage(null)}
-                      className="absolute top-2 right-2 bg-red-500 text-white p-1 rounded-full hover:bg-red-600"
+                      className="absolute top-2 right-2 bg-destructive text-destructive-foreground p-1 rounded-full hover:bg-destructive/90"
                     >
                       ×
                     </button>
@@ -364,7 +364,7 @@ export default function DesignStudioPage() {
                       alt="AI generated design"
                       className="w-full h-96 object-cover rounded-lg"
                     />
-                    <Badge className="absolute top-2 left-2 bg-green-500">
+                    <Badge variant="secondary" className="absolute top-2 left-2">
                       AI Generated
                     </Badge>
                   </div>
diff --git a/src/app/page.tsx b/src/app/page.tsx
index f657278..43935f9 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -11,15 +11,15 @@ export default function LandingPage() {
   return (
     <main className="flex-1">
       {/* Hero Section */}
-      <section className="relative min-h-screen flex items-center justify-center bg-gradient-to-br from-blue-50 via-background to-purple-50 dark:from-gray-900 dark:via-gray-800 dark:to-gray-900">
+      <section className="relative min-h-screen flex items-center justify-center bg-gradient-to-br from-muted via-background to-muted">
         <div className="container mx-auto px-4 py-20">
           <div className="max-w-6xl mx-auto text-center space-y-8">
             <div className="space-y-6">
               <div className="flex items-center justify-center gap-3 mb-6">
-                <div className="flex items-center justify-center w-16 h-16 rounded-2xl bg-gradient-to-br from-blue-500 to-purple-600 shadow-lg">
+                <div className="flex items-center justify-center w-16 h-16 rounded-2xl bg-primary shadow-lg">
                   <Palette className="h-8 w-8 text-white" />
                 </div>
-                <h1 className="text-6xl md:text-7xl font-bold tracking-tight bg-gradient-to-r from-blue-600 via-purple-600 to-blue-800 bg-clip-text text-transparent">
+                <h1 className="text-6xl md:text-7xl font-bold tracking-tight text-foreground">
                   Design Buddy
                 </h1>
               </div>
@@ -74,8 +74,8 @@ export default function LandingPage() {
 
             <div className="grid md:grid-cols-3 gap-8">
               <div className="text-center space-y-4">
-                <div className="flex items-center justify-center w-16 h-16 rounded-full bg-blue-100 dark:bg-blue-900 mx-auto">
-                  <span className="text-2xl font-bold text-blue-600 dark:text-blue-400">1</span>
+                <div className="flex items-center justify-center w-16 h-16 rounded-full bg-primary/10 mx-auto">
+                  <span className="text-2xl font-bold text-primary">1</span>
                 </div>
                 <h3 className="text-xl font-semibold">Upload Your Room</h3>
                 <p className="text-muted-foreground">
@@ -84,8 +84,8 @@ export default function LandingPage() {
               </div>
 
               <div className="text-center space-y-4">
-                <div className="flex items-center justify-center w-16 h-16 rounded-full bg-purple-100 dark:bg-purple-900 mx-auto">
-                  <span className="text-2xl font-bold text-purple-600 dark:text-purple-400">2</span>
+                <div className="flex items-center justify-center w-16 h-16 rounded-full bg-primary/10 mx-auto">
+                  <span className="text-2xl font-bold text-primary">2</span>
                 </div>
                 <h3 className="text-xl font-semibold">Choose Your Style</h3>
                 <p className="text-muted-foreground">
@@ -170,9 +170,9 @@ export default function LandingPage() {
       </section>
 
       {/* CTA Section */}
-      <section className="py-20 bg-gradient-to-r from-blue-600 to-purple-600">
+      <section className="py-20 bg-primary">
         <div className="container mx-auto px-4">
-          <div className="max-w-4xl mx-auto text-center text-white space-y-6">
+          <div className="max-w-4xl mx-auto text-center text-primary-foreground space-y-6">
             <h2 className="text-4xl font-bold">
               Ready to Transform Your Space?
             </h2>
diff --git a/src/app/profile/page.tsx b/src/app/profile/page.tsx
index b8d6cf1..ffbd323 100644
--- a/src/app/profile/page.tsx
+++ b/src/app/profile/page.tsx
@@ -171,7 +171,7 @@ export default function ProfilePage() {
                     <p className="text-sm text-muted-foreground">Active now</p>
                   </div>
                 </div>
-                <Badge variant="outline" className="text-green-600 border-green-600">
+                <Badge variant="outline" className="text-green-600 dark:text-green-400 border-green-600">
                   Active
                 </Badge>
               </div>
diff --git a/src/components/site-footer.tsx b/src/components/site-footer.tsx
index e491c30..a8cbe4f 100644
--- a/src/components/site-footer.tsx
+++ b/src/components/site-footer.tsx
@@ -6,7 +6,7 @@ export function SiteFooter() {
       <div className="container mx-auto px-4">
         <div className="flex flex-col items-center space-y-4">
           <div className="flex items-center gap-2">
-            <div className="flex items-center justify-center w-8 h-8 rounded-lg bg-gradient-to-br from-blue-500 to-purple-600">
+            <div className="flex items-center justify-center w-8 h-8 rounded-lg bg-primary">
               <Palette className="h-5 w-5 text-white" />
             </div>
             <span className="font-semibold">Design Buddy</span>
diff --git a/src/components/site-header.tsx b/src/components/site-header.tsx
index 4ebde3d..29f24ae 100644
--- a/src/components/site-header.tsx
+++ b/src/components/site-header.tsx
@@ -12,10 +12,10 @@ export function SiteHeader() {
             href="/"
             className="flex items-center gap-2 hover:opacity-80 transition-opacity"
           >
-            <div className="flex items-center justify-center w-8 h-8 rounded-lg bg-gradient-to-br from-blue-500 to-purple-600">
+            <div className="flex items-center justify-center w-8 h-8 rounded-lg bg-primary">
               <Palette className="h-5 w-5 text-white" />
             </div>
-            <span className="bg-gradient-to-r from-blue-600 via-purple-600 to-blue-800 bg-clip-text text-transparent">
+            <span className="text-primary">
               Design Buddy
             </span>
           </Link>