.login-container, .register-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: white;
}

.login-header, .register-header {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}