body { font-family: Arial; background: #f4f4f4; }
.login-container { max-width: 400px; margin: 100px auto; padding: 20px; background: #fff; border-radius: 5px; }
.login-container h2 { text-align: center; }
.error { color: red; text-align: center; margin-bottom: 10px; }
label { display: block; margin-top: 10px; }
input { width: 100%; padding: 8px; }
button { width: 100%; padding: 10px; margin-top: 15px; background: #007bff; color: white; border: none; }