holacompi/app/login/page.tsx

'use client';

import { useState } from 'react';
import { signInWithEmailAndPassword } from 'firebase/auth';
import { auth } from '@/lib/firebase';
import { useRouter } from 'next/navigation';

export default function Login() {
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const router = useRouter();

  const handleLogin = async (e: React.FormEvent) => {
    e.preventDefault();
    setError('');

    try {
      await signInWithEmailAndPassword(auth, email, password);
      router.push('/dashboard');
    } catch (err: any) {
      setError(err.message);
    }
  };

  return (
    <div className="min-h-screen bg-gray-900 flex items-center justify-center p-4">
      <div className="bg-gray-800 p-8 rounded-lg shadow-lg w-full max-w-md">
        <h1 className="text-3xl font-bold text-white mb-6">Login to HolaCompi</h1>
        
        {error && (
          <div className="bg-red-500/10 border border-red-500 text-red-500 p-3 rounded mb-4">
            {error}
          </div>
        )}

        <form onSubmit={handleLogin} className="space-y-4">
          <div>
            <label className="block text-gray-300 mb-2">Email</label>
            <input
              type="email"
              value={email}
              onChange={(e) => setEmail(e.target.value)}
              className="w-full bg-gray-700 text-white rounded px-4 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
              required
            />
          </div>

          <div>
            <label className="block text-gray-300 mb-2">Password</label>
            <input
              type="password"
              value={password}
              onChange={(e) => setPassword(e.target.value)}
              className="w-full bg-gray-700 text-white rounded px-4 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
              required
            />
          </div>

          <button
            type="submit"
            className="w-full bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 rounded transition"
          >
            Login
          </button>
        </form>

        <p className="text-gray-400 mt-4 text-center">
          Don't have an account?{' '}
          <a href="/register" className="text-blue-500 hover:underline">
            Register
          </a>
        </p>
      </div>
    </div>
  );
}