.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-box h2 {
    text-align: center;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: #4a5568;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 1rem;
}

.auth-form button {
    width: 100%;
    padding: 0.75rem;
    background-color: #4f46e5;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.auth-form button:hover {
    background-color: #4338ca;
}

.error-message {
    color: #dc2626;
    margin-top: 0.5rem;
    text-align: center;
    display: none;
}

.auth-links {
    margin-top: 1rem;
    text-align: center;
}

.auth-links a {
    color: #4f46e5;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Animazioni */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-box {
    animation: fadeIn 0.3s ease-out;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-box {
        margin: 1rem;
        padding: 1.5rem;
    }
}