/* 購物車頁面樣式 */
.page-title {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-color);
}

/* 購物車步驟 */
.cart-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e0e0e0;
    color: var(--light-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 10px;
}

.step.active .step-number {
    background-color: var(--primary-color);
    color: white;
}

.step-text {
    font-size: 14px;
    color: var(--light-text);
}

.step.active .step-text {
    color: var(--primary-color);
    font-weight: 600;
}

.step-line {
    flex: 1;
    height: 2px;
    background-color: #e0e0e0;
    margin: 0 15px;
    margin-bottom: 20px;
}

/* 購物車內容 */
.cart-container {
    margin-bottom: 50px;
}

.cart-content {
    margin-bottom: 30px;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto;
    gap: 20px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    background-color: white;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: 4px;
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    display: flex;
    flex-direction: column;
}

.cart-item-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.cart-item-options {
    font-size: 14px;
    color: var(--light-text);
    margin-bottom: 10px;
}

.cart-item-options span {
    margin-right: 15px;
}

.cart-item-actions {
    display: flex;
    gap: 15px;
}

.cart-item-actions button {
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    padding: 0;
    font-size: 14px;
    transition: var(--transition);
}

.cart-item-actions button:hover {
    color: var(--primary-color);
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    background-color: #f5f5f5;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-btn:hover {
    background-color: #e0e0e0;
}

.quantity-input {
    width: 40px;
    height: 30px;
    border: none;
    text-align: center;
    font-size: 14px;
}

.cart-item-price {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 16px;
}

.empty-cart {
    text-align: center;
    padding: 50px 0;
}

.empty-cart i {
    font-size: 60px;
    color: var(--light-text);
    margin-bottom: 20px;
}

.empty-cart p {
    font-size: 18px;
    color: var(--light-text);
    margin-bottom: 30px;
}

/* 購物車摘要 */
.cart-summary {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 16px;
}

.summary-row.discount {
    color: var(--success-color);
}

.summary-row.total {
    font-size: 20px;
    font-weight: 700;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.coupon-section {
    margin: 20px 0;
}

.coupon-input {
    display: flex;
    gap: 10px;
}

.coupon-input input {
    flex: 1;
}

.checkout-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.checkout-buttons .btn {
    flex: 1;
    text-align: center;
}

/* 付款資訊 */
.payment-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.payment-method, .shipping-info {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
}

.payment-method h3, .shipping-info h3 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 18px;
}

.payment-method h3 i, .shipping-info h3 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.payment-method p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.payment-method ul, .shipping-info ul {
    padding-left: 20px;
}

.payment-method li, .shipping-info li {
    margin-bottom: 10px;
    line-height: 1.6;
    position: relative;
    padding-left: 5px;
}

.payment-method li:before, .shipping-info li:before {
    content: '•';
    position: absolute;
    left: -15px;
    color: var(--primary-color);
}

/* 推薦產品 */
.recommended-products {
    margin-top: 50px;
}

.section-title {
    font-size: 24px;
    margin-bottom: 25px;
    position: relative;
    padding-left: 15px;
}

.section-title:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 5px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* 響應式設計 */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .payment-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .cart-item {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto;
    }
    
    .cart-item-image {
        grid-row: span 2;
    }
    
    .cart-item-quantity, .cart-item-price {
        grid-column: 2;
        justify-self: start;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .cart-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-line {
        width: 2px;
        height: 20px;
        margin: 0;
    }
    
    .checkout-buttons {
        flex-direction: column;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}