Migrate to local PG & Update Solana Checkout

app/login/page.tsx

@@ -1,7 +1,6 @@
 'use client';
 
 import { useState } from 'react';
-import { createClient } from '@/utils/supabase/client';
 import { useRouter } from 'next/navigation';
 import { Lock, Mail, Loader2, Wallet } from 'lucide-react';
 
@@ -11,24 +10,29 @@ export default function LoginPage() {
     const [isLoading, setIsLoading] = useState(false);
     const [error, setError] = useState<string | null>(null);
     const router = useRouter();
-    const supabase = createClient();
-
     const handleLogin = async (e: React.FormEvent) => {
         e.preventDefault();
         setIsLoading(true);
         setError(null);
 
-        const { error } = await supabase.auth.signInWithPassword({
-            email,
-            password,
-        });
+        try {
+            const res = await fetch('/api/auth/login', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ email, password })
+            });
+            const data = await res.json();
 
-        if (error) {
-            setError(error.message);
+            if (!res.ok) {
+                setError(data.error || 'Login failed');
+            } else {
+                router.push('/admin');
+                router.refresh();
+            }
+        } catch (err: any) {
+            setError('Bir ağ hatası oluştu, lütfen tekrar deneyin.');
+        } finally {
             setIsLoading(false);
-        } else {
-            router.push('/admin');
-            router.refresh();
         }
     };