/* =============================================
    DidiStore — Módulo: Carrito (BEM)
    Bloque: .cart
   ============================================= */
.cart {
    padding: var(--spacing-2xl) 0;
}

/* --- Elemento: título --- */
.cart__title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-heading);
}

/* --- Elemento: layout principal (items + resumen) --- */
.cart__layout {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

/* --- Elemento: zona de ítems --- */
.cart__items-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* --- Elemento: cabecera de la tabla --- */
.cart__header {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1fr 40px;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--color-text-heading);
}

/* --- Elemento: ítem individual --- */
.cart__item {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1fr 40px;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-base);
}

.cart__item:hover {
    box-shadow: var(--shadow-sm);
}

/* --- Elemento: columna producto (imagen + nombre) --- */
.cart__item-product {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart__item-image {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-secondary);
    background-color: var(--color-background);
    flex-shrink: 0;
}

.cart__item-name {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 600;
}

.cart__item-sku {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* --- Elemento: precio y subtotal --- */
.cart__item-price,
.cart__item-subtotal {
    font-size: 0.95rem;
    color: var(--color-text);
}

.cart__item-subtotal {
    font-weight: 700;
}

/* --- Elemento: control de cantidad --- */
.cart__item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.cart__quantity-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.cart__quantity-btn:hover {
    background-color: var(--color-primary);
}

.cart__quantity-input {
    width: 46px;
    height: 28px;
    text-align: center;
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text);
    background-color: var(--color-white);
}

/* --- Elemento: botón eliminar ítem --- */
.cart__item-remove {
    color: var(--color-text-muted);
    font-size: 1rem;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.cart__item-remove:hover {
    color: var(--color-danger);
    background-color: #fde8e8;
}

/* --- Elemento: acciones al pie de ítems --- */
.cart__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

/* --- Elemento: estado vacío --- */
.cart__empty {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    color: var(--color-text-muted);
}

.cart__empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-dark);
    display: block;
}

.cart__empty-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

/* =============================================
    Bloque: .cart-summary (resumen lateral)
   ============================================= */
.cart-summary {
    width: 300px;
    flex-shrink: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: sticky;
    top: var(--spacing-lg);
}

/* --- Elemento: título del resumen --- */
.cart-summary__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-heading);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 0;
}

/* --- Elemento: fila de subtotal/total --- */
.cart-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-secondary);
}

.cart-summary__row:last-of-type { border-bottom: none; }

/* --- Modificador: fila total --- */
.cart-summary__row--total {
    font-weight: 700;
    font-size: 1.05rem;
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--color-secondary);
}

/* --- Elemento: valor con descuento --- */
.cart-summary__value--discount { color: #28a745; }

/* --- Elemento: cupón --- */
.cart-summary__coupon-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.cart-summary__coupon-group {
    display: flex;
    gap: var(--spacing-sm);
}

.cart-summary__coupon-input {
    flex: 1;
    padding: 6px var(--spacing-sm);
    border: 1px solid var(--color-neutral);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.cart-summary__coupon-btn {
    padding: 6px var(--spacing-sm);
    background-color: var(--color-secondary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color var(--transition-fast);
}

.cart-summary__coupon-btn:hover {
    background-color: var(--color-primary);
}

/* --- Elemento: nota de seguridad --- */
.cart-summary__note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    line-height: 1.4;
    margin-bottom: 0;
}

/* =============================================
    Responsive
   ============================================= */
@media (max-width: 768px) {
    .cart__layout { flex-direction: column; }
    .cart-summary { width: 100%; position: static; }
    .cart__header { display: none; }
    .cart__item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}