feat: nextjs 15.3

Author: agmmtoo

components/landing.tsx

@@ -41,14 +41,14 @@ export default function LandingPage() {
         <Link className="flex items-center justify-center" href="/">
           <span className="ml-2 text-lg font-bold">Librarease</span>
         </Link>
-        <nav className="flex gap-4 sm:gap-6">
-          <ModeToggle />
+        <nav className="flex gap-2 sm:gap-6">
           <Button variant="ghost" asChild>
             <Link href="/login">Sign In</Link>
           </Button>
           <Button asChild>
             <Link href="/signup">Get Started</Link>
           </Button>
+          <ModeToggle />
         </nav>
       </header>
       <main className="flex-1">

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "scripts": {
     "dev": "next dev --turbopack",
-    "build": "next build",
+    "build": "next build --turbopack",
     "start": "next start",
     "lint": "next lint",
     "format": "prettier --write ."
@@ -35,7 +35,7 @@
     "firebase": "^11.1.0",
     "firebase-admin": "^13.0.2",
     "lucide-react": "^0.475.0",
-    "next": "15.2.x",
+    "next": "15.3.5",
     "next-themes": "^0.4.6",
     "react": "^19.0.0",
     "react-day-picker": "^9.7.0",