diff --git a/src/app/api/auth/[...all]/route.ts b/src/app/api/auth/[...all]/route.ts
index b1d6891..81724a0 100644
--- a/src/app/api/auth/[...all]/route.ts
+++ b/src/app/api/auth/[...all]/route.ts
@@ -1,6 +1,4 @@
 import { auth } from "@/lib/auth"
 import { toNextJsHandler } from "better-auth/next-js"
 
-const handler = toNextJsHandler(auth)
-
-export { handler as GET, handler as POST }
\ No newline at end of file
+export const { GET, POST } = toNextJsHandler(auth)
\ No newline at end of file
diff --git a/src/app/api/chat/route.ts b/src/app/api/chat/route.ts
index d8342d3..9e1c7c0 100644
--- a/src/app/api/chat/route.ts
+++ b/src/app/api/chat/route.ts
@@ -9,5 +9,5 @@ export async function POST(req: Request) {
     messages,
   })
 
-  return result.toDataStreamResponse()
+  return result.toTextStreamResponse()
 }
\ No newline at end of file
diff --git a/src/app/chat/page.tsx b/src/app/chat/page.tsx
index fbe504b..446cd24 100644
--- a/src/app/chat/page.tsx
+++ b/src/app/chat/page.tsx
@@ -1,6 +1,6 @@
 "use client"
 
-import { useChat } from "ai/react"
+import { useChat } from "@ai-sdk/react"
 import { Button } from "@/components/ui/button"
 import { UserProfile } from "@/components/auth/user-profile"
 import { useSession } from "@/lib/auth-client"
diff --git a/src/app/globals.css b/src/app/globals.css
index dc98be7..e46472d 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -45,24 +45,25 @@
 
 :root {
   --radius: 0.625rem;
-  --background: oklch(1 0 0);
-  --foreground: oklch(0.145 0 0);
+  /* light theme (unused by default since we force dark) */
+  --background: oklch(0.99 0 0);
+  --foreground: oklch(0.14 0 0);
   --card: oklch(1 0 0);
-  --card-foreground: oklch(0.145 0 0);
+  --card-foreground: oklch(0.14 0 0);
   --popover: oklch(1 0 0);
-  --popover-foreground: oklch(0.145 0 0);
-  --primary: oklch(0.205 0 0);
-  --primary-foreground: oklch(0.985 0 0);
+  --popover-foreground: oklch(0.14 0 0);
+  --primary: oklch(0.55 0.16 150); /* emerald-ish */
+  --primary-foreground: oklch(0.99 0 0);
   --secondary: oklch(0.97 0 0);
-  --secondary-foreground: oklch(0.205 0 0);
-  --muted: oklch(0.97 0 0);
-  --muted-foreground: oklch(0.556 0 0);
-  --accent: oklch(0.97 0 0);
-  --accent-foreground: oklch(0.205 0 0);
+  --secondary-foreground: oklch(0.2 0 0);
+  --muted: oklch(0.95 0 0);
+  --muted-foreground: oklch(0.56 0 0);
+  --accent: oklch(0.9 0.08 150);
+  --accent-foreground: oklch(0.2 0 0);
   --destructive: oklch(0.577 0.245 27.325);
-  --border: oklch(0.922 0 0);
-  --input: oklch(0.922 0 0);
-  --ring: oklch(0.708 0 0);
+  --border: oklch(0.9 0 0);
+  --input: oklch(0.9 0 0);
+  --ring: oklch(0.7 0 0);
   --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);
@@ -79,37 +80,37 @@
 }
 
 .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(0.922 0 0);
-  --primary-foreground: oklch(0.205 0 0);
-  --secondary: oklch(0.269 0 0);
-  --secondary-foreground: oklch(0.985 0 0);
-  --muted: oklch(0.269 0 0);
-  --muted-foreground: oklch(0.708 0 0);
-  --accent: oklch(0.269 0 0);
-  --accent-foreground: oklch(0.985 0 0);
+  --background: oklch(0.16 0 0);
+  --foreground: oklch(0.97 0 0);
+  --card: oklch(0.2 0 0);
+  --card-foreground: oklch(0.98 0 0);
+  --popover: oklch(0.18 0 0);
+  --popover-foreground: oklch(0.98 0 0);
+  --primary: oklch(0.7 0.2 150); /* vibrant emerald */
+  --primary-foreground: oklch(0.13 0 0);
+  --secondary: oklch(0.26 0 0);
+  --secondary-foreground: oklch(0.98 0 0);
+  --muted: oklch(0.26 0 0);
+  --muted-foreground: oklch(0.72 0 0);
+  --accent: oklch(0.32 0.03 150);
+  --accent-foreground: oklch(0.98 0 0);
   --destructive: oklch(0.704 0.191 22.216);
-  --border: oklch(1 0 0 / 10%);
-  --input: oklch(1 0 0 / 15%);
-  --ring: oklch(0.556 0 0);
-  --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(0.488 0.243 264.376);
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.269 0 0);
-  --sidebar-accent-foreground: oklch(0.985 0 0);
-  --sidebar-border: oklch(1 0 0 / 10%);
-  --sidebar-ring: oklch(0.556 0 0);
+  --border: color-mix(in oklab, white 12%, transparent);
+  --input: color-mix(in oklab, white 16%, transparent);
+  --ring: oklch(0.72 0.15 150);
+  --chart-1: oklch(0.7 0.2 150);
+  --chart-2: oklch(0.66 0.18 170);
+  --chart-3: oklch(0.62 0.14 190);
+  --chart-4: oklch(0.75 0.22 130);
+  --chart-5: oklch(0.68 0.2 110);
+  --sidebar: oklch(0.18 0 0);
+  --sidebar-foreground: oklch(0.98 0 0);
+  --sidebar-primary: oklch(0.7 0.2 150);
+  --sidebar-primary-foreground: oklch(0.12 0 0);
+  --sidebar-accent: oklch(0.24 0 0);
+  --sidebar-accent-foreground: oklch(0.98 0 0);
+  --sidebar-border: color-mix(in oklab, white 10%, transparent);
+  --sidebar-ring: oklch(0.72 0.15 150);
 }
 
 @layer base {
@@ -118,5 +119,22 @@
   }
   body {
     @apply bg-background text-foreground;
+    background-image:
+      radial-gradient(1200px 600px at 80% -20%, color-mix(in oklab, var(--primary) 10%, transparent) 0%, transparent 60%),
+      radial-gradient(800px 400px at -10% 20%, color-mix(in oklab, var(--primary) 8%, transparent) 0%, transparent 60%);
+    background-attachment: fixed;
   }
 }
+
+/* Subtle glow/bloom utilities for accent elements */
+@utility glow {
+  box-shadow:
+    0 0 0.5rem color-mix(in oklab, var(--primary) 55%, transparent),
+    0 0 1.25rem color-mix(in oklab, var(--primary) 35%, transparent),
+    inset 0 0 0.25rem color-mix(in oklab, var(--primary) 25%, transparent);
+}
+
+@utility grain {
+  background-image: linear-gradient(transparent, transparent),
+    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
+}
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index f7fa87e..0f2c6d3 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -23,7 +23,7 @@ export default function RootLayout({
   children: React.ReactNode;
 }>) {
   return (
-    <html lang="en">
+    <html lang="en" className="dark">
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
       >
diff --git a/src/app/page.tsx b/src/app/page.tsx
index caf1e40..a52e634 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -4,10 +4,14 @@ import { UserProfile } from "@/components/auth/user-profile"
 
 export default function Home() {
   return (
-    <div className="min-h-screen flex flex-col">
+    <div className="min-h-screen flex flex-col grain">
       <header className="border-b">
         <div className="container mx-auto px-4 py-4 flex justify-between items-center">
-          <h1 className="text-2xl font-bold">Next.js Starter Kit</h1>
+          <h1 className="text-2xl font-bold">
+            <span className="bg-clip-text text-transparent [background-image:linear-gradient(90deg,color-mix(in_oklab,var(--primary)_85%,white_0%),color-mix(in_oklab,var(--primary)_50%,white_0%))]">
+              Next.js Starter Kit
+            </span>
+          </h1>
           <UserProfile />
         </div>
       </header>
@@ -77,7 +81,7 @@ export default function Home() {
               <div className="p-4 border rounded-lg">
                 <h4 className="font-medium mb-2">3. Try the features</h4>
                 <div className="space-y-2">
-                  <Button asChild size="sm" className="w-full">
+                  <Button asChild size="sm" className="w-full glow">
                     <Link href="/dashboard">View Dashboard</Link>
                   </Button>
                   <Button asChild variant="outline" size="sm" className="w-full">
diff --git a/src/components/ui/button.tsx b/src/components/ui/button.tsx
index a2df8dc..5ce7568 100644
--- a/src/components/ui/button.tsx
+++ b/src/components/ui/button.tsx
@@ -10,7 +10,7 @@ const buttonVariants = cva(
     variants: {
       variant: {
         default:
-          "bg-primary text-primary-foreground shadow-xs hover:bg-primary/90",
+          "relative bg-primary text-primary-foreground shadow-xs hover:bg-primary/90 hover:brightness-110 before:absolute before:inset-0 before:rounded-[inherit] before:opacity-0 hover:before:opacity-100 before:transition-opacity before:duration-300 before:[box-shadow:0_0_1rem_color-mix(in_oklab,var(--primary)_40%,transparent),0_0_2.2rem_color-mix(in_oklab,var(--primary)_25%,transparent)]",
         destructive:
           "bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
         outline: