feat: initialize project with Next.js, Prisma, and admin dashboard functionality

app/admin/login/page.tsx

@@ -0,0 +1,57 @@
+'use client';
+
+import React, { useState } from 'react';
+import { GlassCard } from '@/components/GlassCard';
+import { loginAdmin } from '@/app/actions/admin';
+
+export default function AdminLoginPage() {
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault();
+    setLoading(true);
+    setError(null);
+
+    const formData = new FormData(e.currentTarget);
+    try {
+      await loginAdmin(formData);
+    } catch (err: any) {
+      setError(err.message || 'Une erreur est survenue.');
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="container" style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', minHeight: '100vh' }}>
+      <GlassCard style={{ width: '100%', maxWidth: '400px' }}>
+        <h1 style={{ marginBottom: '2rem', fontSize: '1.8rem' }}>Accès Admin</h1>
+        
+        <form onSubmit={handleSubmit} style={{ display: 'flex', flexDirection: 'column', gap: '1.5rem' }}>
+          <div>
+            <label style={{ display: 'block', marginBottom: '0.5rem', fontSize: '0.9rem', fontWeight: 600 }}>Mot de passe</label>
+            <input name="password" type="password" required placeholder="••••••••" />
+          </div>
+
+          {error && <p style={{ color: 'var(--error)', fontSize: '0.85rem', textAlign: 'center' }}>{error}</p>}
+
+          <button 
+            type="submit" 
+            disabled={loading}
+            style={{
+              background: 'var(--accent)',
+              color: 'white',
+              padding: '1rem',
+              borderRadius: '12px',
+              fontWeight: 600,
+              marginTop: '1rem',
+              opacity: loading ? 0.7 : 1
+            }}
+          >
+            {loading ? 'Connexion...' : 'Se connecter'}
+          </button>
+        </form>
+      </GlassCard>
+    </div>
+  );
+}