fix: resolve styling issues in admin dashboard and login

Fix login page background color to cream/stone (hide blobs). Remove hover scaling from dashboard stats cards. darkening Admin Panel and Portfolio text.

app/manage/page.tsx

@@ -267,9 +267,7 @@ const AdminPage = () => {
   // Login form
   if (authState.showLogin || !authState.isAuthenticated) {
     return (
-      <div className="min-h-screen flex items-center justify-center relative overflow-hidden">
-        {/* Animated Background */}
-        <div className="animated-bg"></div>
+      <div className="min-h-screen flex items-center justify-center relative overflow-hidden bg-[#fdfcf8] z-0">
         
         <motion.div
           initial={{ opacity: 0, scale: 0.95 }}