/* ===== BookMart - Cart Page Styles ===== */

.cart-page {
    padding: var(--spacing-2xl) 0;
}

.cart-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-xl);
    align-items: start;
}

/* ===== Cart Items ===== */
.cart-items {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
}

.cart-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 40px;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.cart-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 40px;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item:hover {
    background: var(--bg-secondary);
    margin: 0 calc(-1 * var(--spacing-md));
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.cart-item-product {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-item-image {
    width: 70px;
    height: 90px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.cart-item:hover .cart-item-image {
    transform: scale(1.05);
}

.cart-item-info h4 {
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.cart-item-info p {
    font-size: 0.8rem;
    margin: 0;
    color: var(--text-secondary);
}

.cart-item-price {
    font-weight: 600;
    color: var(--text-primary);
}

.cart-item-total {
    font-weight: 700;
    color: var(--accent);
}

/* ===== Quantity Controls ===== */
.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-primary);
    user-select: none;
}

.qty-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-secondary);
}

.qty-btn:active {
    transform: scale(0.95);
}

.qty-value {
    font-weight: 700;
    min-width: 30px;
    text-align: center;
    font-size: 1rem;
}

/* ===== Remove Button ===== */
.cart-item-remove {
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    font-size: 1.2rem;
    text-align: center;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto;
}

.cart-item-remove:hover {
    color: var(--accent);
    background: rgba(78, 168, 222, 0.22);
}

/* ===== Cart Actions (Clear Cart) ===== */
.cart-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
}

.cart-actions .btn-outline {
    border-color: var(--text-light);
    color: var(--text-secondary);
}

.cart-actions .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(231, 76, 60, 0.05);
}

/* ===== Order Summary ===== */
.cart-summary {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border);
    font-size: 1.2rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-row .amount {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: none;
    padding-top: var(--spacing-md);
    color: var(--text-primary);
}

.summary-row.total .amount {
    color: var(--accent);
}

.summary-free {
    color: var(--color-success);
    font-weight: 600;
}

/* ===== Empty Cart State ===== */
.cart-empty {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.cart-empty .icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    display: block;
    opacity: 0.6;
}

.cart-empty h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
}

.cart-empty p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Checkout Button ===== */
.checkout-btn {
    width: 100%;
    margin-top: var(--spacing-md);
    font-size: 1.05rem;
    padding: 16px 28px;
}

.continue-shopping {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .cart-layout {
        grid-template-columns: 1fr 320px;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }

    .cart-header {
        display: none;
    }

    .cart-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        margin-bottom: var(--spacing-sm);
    }

    .cart-item:hover {
        margin: 0;
        padding: var(--spacing-md);
    }

    .cart-item-product {
        gap: var(--spacing-sm);
    }

    .cart-item-price,
    .cart-item-quantity,
    .cart-item-total {
        padding-left: 90px;
    }

    .cart-item-price::before {
        content: 'Price: ';
        font-weight: 400;
        color: var(--text-secondary);
        margin-right: var(--spacing-sm);
    }

    .cart-item-total::before {
        content: 'Total: ';
        font-weight: 400;
        color: var(--text-secondary);
        margin-right: var(--spacing-sm);
    }

    .cart-item-quantity::before {
        content: 'Qty: ';
        font-weight: 400;
        color: var(--text-secondary);
        margin-right: var(--spacing-sm);
    }

    .cart-summary {
        position: static;
    }
}

@media (max-width: 480px) {
    .cart-items {
        padding: var(--spacing-md);
    }

    .cart-item-image {
        width: 55px;
        height: 70px;
        font-size: 1.5rem;
    }

    .cart-item-info h4 {
        font-size: 0.85rem;
    }

    .cart-item-price,
    .cart-item-quantity,
    .cart-item-total {
        padding-left: 70px;
        font-size: 0.85rem;
    }

    .qty-btn {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    .qty-value {
        min-width: 24px;
        font-size: 0.85rem;
    }

    .cart-summary {
        padding: var(--spacing-md);
    }
}