/* AUTHENTICATION (LOGIN & REGISTER) STYLES */

.auth-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100vh;
    padding: 160px 2rem 2rem;
    background: radial-gradient(circle, #151515 0%, #000 100%);
}

.auth-card {
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid #333;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: authFadeIn 0.6s ease;
}

@keyframes authFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h2 {
    color: var(--gold);
    margin-bottom: 0.5rem;
    font-family: var(--font-title);
    letter-spacing: 2px;
}

.auth-header p {
    color: #666;
    font-size: 0.9rem;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    color: #555;
    font-family: monospace;
    font-size: 0.75rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.auth-form label .optional-tag {
    color: #333;
    font-size: 0.8em;
}

.invalid-feedback {
    display: block;
    color: #ff4d4d;
    font-size: 0.75rem;
    margin-top: 5px;
    font-family: monospace;
}

.invalid-feedback strong {
    font-weight: normal;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

.auth-footer a {
    color: var(--gold);
    text-decoration: none;
    font-family: var(--font-title);
    letter-spacing: 1px;
}

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

/* RESPONSIVE */
@media (max-width: 480px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }

    .auth-container {
        padding-top: 120px;
    }
}