Wichige änderung an DB

src/app/(auth)/login/page.tsx

@@ -55,12 +55,6 @@ export default function LoginPage() {
     window.location.href = '/api/auth/google';
   };
 
-  // Demo login
-  const handleDemoLogin = () => {
-    setEmail('demo@qrmaster.com');
-    setPassword('demo123');
-  };
-
   return (
     <div className="min-h-screen bg-gradient-to-br from-primary-50 to-white flex items-center justify-center p-4">
       <div className="w-full max-w-md">
@@ -149,18 +143,6 @@ export default function LoginPage() {
                 </svg>
                 Sign in with Google
               </Button>
-
-              <Button
-                type="button"
-                variant="outline"
-                className="w-full"
-                onClick={handleDemoLogin}
-              >
-                <svg className="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
-                </svg>
-                Use Demo Account
-              </Button>
             </form>
 
             <div className="mt-6 text-center">