/* 购物车页面样式 */
.cart-page {
    padding: 120px 0 80px;
    background: #f8fafc;
    min-height: 100vh;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.cart-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
}

/* 空购物车样式 */
.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.empty-cart i {
    font-size: 4rem;
    color: #d1d5db;
    margin-bottom: 1rem;
}

.empty-cart h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.empty-cart p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* 购物车项目样式 */
.cart-items {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 2fr 1fr 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    transition: background-color 0.3s ease;
}

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

.cart-item:hover {
    background-color: #f9fafb;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.cart-item-details p {
    color: #6b7280;
    font-weight: 500;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-item-quantity button {
    width: 32px;
    height: 32px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-quantity button:hover {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.cart-item-quantity span {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    color: #1f2937;
}

.cart-item-total {
    font-size: 1.125rem;
    font-weight: 700;
    color: #2563eb;
}

.remove-item {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.remove-item:hover {
    background: #fef2f2;
    color: #dc2626;
}

/* 购物车摘要样式 */
.cart-summary {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: right;
}

.cart-summary h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.cart-summary .btn {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cart-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .cart-header h1 {
        font-size: 2rem;
    }

    .cart-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }

    .cart-item img {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }

    .cart-item-quantity {
        justify-content: center;
    }

    .cart-item-total {
        font-size: 1.25rem;
    }

    .remove-item {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .cart-page {
        padding: 100px 0 60px;
    }

    .cart-header h1 {
        font-size: 1.75rem;
    }

    .empty-cart {
        padding: 2rem 1rem;
    }

    .empty-cart i {
        font-size: 3rem;
    }

    .cart-summary {
        padding: 1.5rem;
    }
}

/* 购物车图标激活状态 */
.cart-icon.active {
    color: #2563eb;
}

.cart-icon.active::after {
    width: 100%;
}

/* 加载动画 */
.cart-loading {
    text-align: center;
    padding: 2rem;
}

.cart-loading i {
    font-size: 2rem;
    color: #2563eb;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 购物车项目动画 */
.cart-item {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 数量变化动画 */
.cart-item-quantity span {
    transition: all 0.3s ease;
}

.cart-item-quantity span.updating {
    transform: scale(1.2);
    color: #2563eb;
}

/* 移除项目动画 */
.cart-item.removing {
    animation: slideOut 0.3s ease-out forwards;
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}