Add login page component

frontend/src/pages/Login.tsx

@@ -0,0 +1,92 @@
+import React, { useState } from 'react';
+import { useAuth } from '../contexts/AuthContext';
+import { useNavigate } from 'react-router-dom';
+
+const Login: React.FC = () => {
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const { login } = useAuth();
+  const navigate = useNavigate();
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+    setIsLoading(true);
+
+    try {
+      await login(username, password);
+      navigate('/dashboard');
+    } catch (err: any) {
+      setError(err.response?.data?.detail || 'Invalid username or password');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-blue-500 to-purple-600 flex items-center justify-center p-4">
+      <div className="bg-white rounded-lg shadow-xl p-8 w-full max-w-md">
+        <div className="text-center mb-8">
+          <h1 className="text-3xl font-bold text-gray-800 mb-2">Family Hub</h1>
+          <p className="text-gray-600">Welcome back! Please sign in.</p>
+        </div>
+
+        <form onSubmit={handleSubmit} className="space-y-6">
+          {error && (
+            <div className="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded">
+              {error}
+            </div>
+          )}
+
+          <div>
+            <label htmlFor="username" className="block text-sm font-medium text-gray-700 mb-2">
+              Username
+            </label>
+            <input
+              id="username"
+              type="text"
+              value={username}
+              onChange={(e) => setUsername(e.target.value)}
+              className="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              placeholder="Enter your username"
+              required
+              autoComplete="username"
+            />
+          </div>
+
+          <div>
+            <label htmlFor="password" className="block text-sm font-medium text-gray-700 mb-2">
+              Password
+            </label>
+            <input
+              id="password"
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+              placeholder="Enter your password"
+              required
+              autoComplete="current-password"
+            />
+          </div>
+
+          <button
+            type="submit"
+            disabled={isLoading}
+            className="w-full bg-blue-600 text-white py-2 px-4 rounded-lg hover:bg-blue-700 focus:ring-4 focus:ring-blue-300 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
+          >
+            {isLoading ? 'Signing in...' : 'Sign In'}
+          </button>
+        </form>
+
+        <div className="mt-6 text-center text-sm text-gray-600">
+          <p>Default password: <span className="font-mono bg-gray-100 px-2 py-1 rounded">password123</span></p>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default Login;