body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    margin: 0;
    background-color: #f0f2f5; 
}

.auth-form {
    background: white;
    padding: 2rem 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    width: 360px;
    text-align: center;
}

.auth-form h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: #333;
}

.auth-form input {
    box-sizing: border-box;
    display: block;
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.auth-form button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    background-color: #007bff;
    color: white;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.auth-form button:hover {
    background-color: #0056b3;
}

.auth-form .note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #555;
}

.auth-form .note a {
    color: #007bff;
    text-decoration: none;
}

.error, .errors p { color: #dc3545; font-size: 0.9rem; background-color: #f8d7da; border: 1px solid #f5c6cb; padding: 0.5rem; border-radius: 4px; margin-bottom: 1rem; }
.errors { list-style: none; padding: 0; }
.success { color: #155724; background-color: #d4edda; border: 1px solid #c3e6cb; padding: 1rem; border-radius: 4px; }

.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
}