adk-gateway 1.0.0

import { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { api } from '../api/client';

export default function Login() {
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const [loading, setLoading] = useState(false);
  const navigate = useNavigate();

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

    try {
      const res = await api.login(password);
      if (res.ok) {
        navigate('/ui');
      } else {
        setError(res.message || 'Invalid credentials');
      }
    } catch {
      setError('Network error');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen bg-gray-50 flex items-center justify-center p-4">
      <div className="w-full max-w-sm">
        <h2 className="text-2xl font-semibold text-center mb-6">🔐 Login</h2>

        {error && (
          <div className="bg-red-50 border border-red-200 text-red-800 rounded-lg px-4 py-3 mb-4 text-sm">
            {error}
          </div>
        )}

        <form onSubmit={handleSubmit} className="bg-white rounded-xl shadow-sm p-6">
          <label className="block text-sm text-gray-600 mb-1">Password</label>
          <input
            type="password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            autoFocus
            required
            className="w-full px-3 py-2.5 border border-gray-300 rounded-lg text-sm focus:outline-none focus:border-[var(--color-accent)]"
          />
          <button
            type="submit"
            disabled={loading}
            className="w-full mt-4 px-4 py-2.5 bg-[var(--color-accent)] text-white rounded-lg font-semibold text-sm hover:bg-[var(--color-accent-hover)] disabled:opacity-50"
          >
            {loading ? 'Signing in...' : 'Sign In'}
          </button>
        </form>

        <p className="text-center text-xs text-gray-400 mt-4">adk-gateway control panel</p>
      </div>
    </div>
  );
}