/* --- Auth helpers --- */
.error-message {
    color: var(--danger-color-dark);
    margin-top: var(--spacing-sm);
}

.info-message {
    color: var(--text-color-light);
    margin-top: var(--spacing-sm);
}

.auth-helper {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.auth-helper a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Botón de agregar */
.opciones-modal-footer .btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    border: none;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.opciones-modal-footer .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--primary-color) 100%);
}

.opciones-modal-footer .btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.payment-overlay {
    position: fixed;
    inset: 0;
    background: rgba(16, 12, 10, 0.7);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    padding: var(--spacing-xl);
}

.payment-overlay-card {
    width: min(92vw, 520px);
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
    text-align: center;
    border: 1px solid rgba(139, 90, 60, 0.2);
}

.payment-overlay-card h2 {
    margin: 12px 0;
    font-size: 1.5rem;
}

.payment-overlay-card p {
    margin: 0;
    color: var(--text-color-light);
}

.payment-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(139, 90, 60, 0.12);
    color: var(--primary-color-dark);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: var(--font-weight-semibold);
}

.payment-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    justify-content: center;
}

.payment-actions .btn {
    min-width: 160px;
}

@media (max-width: 640px) {
    .payment-overlay-card {
        padding: 24px;
    }

    .payment-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .payment-actions .btn {
        width: 100%;
    }
}