/* Topsino Products Grid v6.0 - CSS Styles */
button :focus {
    outline: none;
}
/* 整体容器 */
.topsino-product-grid-wrapper {
    margin: 0 auto;
}

/* 头部区域 */
.topsino-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 20px;
    border-bottom: 1px solid #3D2F26;
    margin-bottom: 30px;
    align-items: center;
}

.topsino-header-left .topsino-main-title {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.topsino-header-right .topsino-main-desc {
    font-size: 14px;
    color: #3D2F26;
    margin: 0;
    text-align: right;
    max-width: 400px;
    font-weight: 400;
}

/* 主内容区域 */
.topsino-main-content {
    display: flex;
    gap: 40px;
}

/* 磁吸效果保持左右结构 */
.topsino-sidebar.sticky + .topsino-product-area {
    margin-left: 340px;
}

/* 侧边栏导航 */
.topsino-sidebar {
    width: 300px;
    flex-shrink: 0;
    position: relative;
}

.topsino-sidebar.sticky {
    position: fixed;
    z-index: 100;
    width: 300px;
}

.topsino-sidebar-inner {
    padding: 0;
    border-radius: 8px;
}

.topsino-search-box {
    margin-bottom: 20px;
}

.topsino-search-input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
}

.topsino-category-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.topsino-nav-label-wrapper{
    display: flex;
    align-items: center;
    gap: 15px;;
}
.topsino-nav-label-wrapper img{
    height: 20px;
    width: 20px;
}
.topsino-nav-item {
    display: flex;
    padding: 10px 0;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 4px;
    flex-direction: column;
    border-bottom: 1px solid #755946;
    color: #3D2F26;
}
.topsino-nav-item .collapse {
    display: none;
}
.topsino-nav-item .expand {
    display: block;
}
.topsino-nav-item.active .collapse{
    display: block
}
.topsino-nav-item.active .expand{
    display: none;
}
.topsino-nav-icon {
    margin-right: 10px;
    font-size: 12px;
}

.topsino-nav-label {
    font-size: 24px;
    font-weight: 400;
}

.topsino-sub-nav {
    margin-top: 4px;
    margin-left: 20px;
    display: none;
}
.topsino-sub-nav .active{
    text-decoration: underline;
}
.topsino-sub-nav .topsino-nav-label {
    font-size: 18px !important;
}
.topsino-nav-item.has-child.active .topsino-sub-nav {
    display: block;
}

.topsino-sub-nav-item {
    padding: 8px 0 0 36px;
    font-size: 13px;
}

/* 产品区域 */
.topsino-product-area {
    flex: 1;
    min-width: 0;
    position: relative;
}

.topsino-status-container {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: 300px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1;
    margin-top: 100px;
}

.topsino-product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.topsino-product-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topsino-current-cat {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.topsino-product-count {
    font-size: 14px;
    color: #888;
}

.topsino-product-tools {
    display: flex;
    align-items: center;
}

.topsino-layout-switch {
    display: flex;
    overflow: hidden;
    gap: 8px;
    border-right: 1px solid #3D2F26;
    padding-right: 20px;
}

.topsino-layout-btn {
    border: none !important;
    background: transparent;
    padding: 0 !important;
    cursor: pointer;
    transition: background-color 0.2s;
        display: flex;
}
.topsino-layout-btn:hover {
    background: unset !important;
}
.topsino-layout-btn:focus {
    background-color: unset !important;
}
.topsino-layout-btn img {
    height: 20px;
    width: 20px;
}
.topsino-grid-icon {
    height: 20px;
    width: 20px;
}

.topsino-sort-select {
    padding: 8px 15px;
    border: 0px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: unset;
    cursor: pointer;
}

/* 产品网格 */
.topsino-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.topsino-products-grid.cols-5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}
.topsino-products-grid.cols-5 .topsino-product-name {
    font-size: 18px;
    text-align: center;
}
.topsino-product-card {
    /* background: #fff; */
    /* border-radius: 8px; */
    overflow: hidden;
    /* box-shadow: 0 2px 8px rgba(0,0,0,0.08); */
    transition: transform 0.3s, box-shadow 0.3s;
}

.topsino-product-card:hover {
    /* transform: translateY(-5px); */
    /* box-shadow: 0 10px 20px rgba(0,0,0,0.12); */
}

.topsino-product-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.topsino-product-flip {
    position: relative;
    width: 100%;
    padding-bottom: 120%;
    perspective: 1000px;
}
.topsino-product-flip img{
    border-radius: 10px !important;
}

.topsino-product-front,
.topsino-product-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    /* transition: transform 0.6s; */
    transition: opacity 0.4s ease-in-out;
}
.topsino-product-flip:hover .topsino-product-back {
    opacity: 1;
}
.topsino-product-back {
    /* transform: rotateY(180deg); */
    opacity: 0;
}

.topsino-product-flip img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
}

.topsino-products-grid.cols-3 .topsino-product-name {
    font-size: 28px;
    font-weight: 500;
    color: #333;
    margin: 12px 15px 8px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topsino-product-price {
    font-size: 14px;
    color: #e14d43;
    text-align: center;
    padding-bottom: 15px;
}

/* 加载更多 */
.topsino-load-more {
    text-align: center;
    margin-top: 40px;
}

.topsino-load-more-btn {
    padding: 12px 30px !important;
    background: #3D2F26;
    color: #EDE6DD !important;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 30px;
}
.topsino-loading{
    text-align: center;
    color: #888;
    font-size: 16px;
}
.topsino-load-more-btn:hover {
    background: #555;
}

.topsino-no-products {
    text-align: center;
    color: #888;
    font-size: 16px;
}

/* 移动端导航切换按钮 */
.topsino-mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 10px 15px;
    cursor: pointer;
}

.topsino-menu-icon {
    font-size: 20px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .topsino-main-content {
        gap: 30px;
    }
    
    .topsino-sidebar {
        width: 200px;
    }
    .topsino-nav-label {
        font-size: 18px;
        
    }
    .topsino-sub-nav-item {
        padding: 8px 0 0 32px;
    }
    .topsino-sub-nav .topsino-nav-label {
        font-size: 14px !important;
    }
    .topsino-nav-label-wrapper img {
        height: 16px;
        width: 16px;
    }
    .topsino-product-name {
        font-size: 18px;
    }
    .topsino-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .topsino-products-grid.cols-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .topsino-product-grid-wrapper {
        padding: 15px;
    }
    .topsino-sidebar {
        display: none;
    }
    .topsino-header {
        flex-direction: column;
        gap: 10px;
    }
    .topsino-product-name {
        font-size: 14px;
    }
    .topsino-header-right .topsino-main-desc {
        text-align: left;
        max-width: 100%;
    }
    
    .topsino-main-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .topsino-sidebar.sticky ~ .topsino-product-area {
        margin-left: 0;
    }
    
    .topsino-sidebar {
        width: 100%;
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        z-index: 999;
        background: #fff;
        overflow-y: auto;
        transition: left 0.3s;
    }
    
    .topsino-sidebar.active {
        left: 0;
    }
    
    .topsino-sidebar-inner {
        background: #fff;
        padding: 60px 20px 20px;
    }
    
    .topsino-mobile-nav-toggle {
        display: block;
    }
    
    .topsino-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .topsino-products-grid.cols-5 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .topsino-product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .topsino-product-tools {
        width: 100%;
        justify-content: space-between;
    }
    
    .topsino-product-flip {
        perspective: none;
    }
    
    .topsino-product-front,
    .topsino-product-back {
        backface-visibility: visible;
    }
    
    .topsino-product-card:hover .topsino-product-front,
    .topsino-product-card:hover .topsino-product-back {
        transform: none;
    }
    
    .topsino-product-back {
        display: none;
    }
}