:root {
    --primary-color: #369CA8;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #e17055;
    --dark-color: #2d3436;
    --light-color: #ddd;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.nav-link {
    color: white !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color) !important;
    transform: translateY(-2px);
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.product-card .card-img-top {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .card-img-top {
    transform: scale(1.1);
}

.product-image-clickable:hover {
    opacity: 0.8;
}

.product-title-clickable:hover {
    color: var(--secondary-color) !important;
    text-decoration: underline;
}

.price {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

.compare-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
}

.badge {
    font-size: 0.8rem;
}

.bg-primary {
    background-color: #369CA8 !important;
}

.sidebar {
    background: #EEF1EA !important;
    border-radius: 15px;
    padding: 20px;
}

.filter-section {
    margin-bottom: 30px;
}

.filter-title {
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.list-group-item {
    border: 1px solid #dee2e6;
    border-radius: 8px !important;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.list-group-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.list-group-item.active:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* 父分类加粗、品牌主色（选中时保持白色） */
.list-group-item:not(.category-child) {
    font-weight: bold;
}
.list-group-item:not(.category-child):not(.active) {
    color: #369CA8;
}

/* 子分类缩进 */
.list-group-item.category-child {
    padding-left: 2.5rem;
}

/* 父分类折叠：展开/收起按钮 */
.category-parent-item {
    margin-bottom: 0 !important;
}
.category-parent-toggle {
    min-width: 28px;
    color: var(--primary-color);
    flex-shrink: 0;
}
.category-parent-toggle:hover {
    color: var(--secondary-color);
}
.category-parent-toggle .category-toggle-icon {
    transition: transform 0.2s ease;
}
.category-parent-toggle[aria-expanded="true"] .category-toggle-icon {
    transform: rotate(90deg);
}
.category-children-wrap {
    border-left: 1px solid rgba(0,0,0,0.08);
    margin-left: 14px;
}
.category-children-wrap .list-group-item {
    border-radius: 0;
}

/* Page Header Section - 背景只在容器内，与首页分类展示区域颜色一致 */
#pageHeaderSection {
    background-color: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
}

#pageHeaderSection .container {
    background-color: #EEF1EA !important;
    padding: 40px 20px;
    border-radius: 8px;
    margin-bottom: 0 !important;
}

/* Enhanced Breadcrumb Styles - 与分类页一致 */
#pageHeaderSection .breadcrumb {
    background: transparent;
    padding: 0.75rem 0;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

#pageHeaderSection .breadcrumb-item {
    display: flex;
    align-items: center;
}

#pageHeaderSection .breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

#pageHeaderSection .breadcrumb-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

#pageHeaderSection .breadcrumb-item.active {
    color: #6c757d;
    font-weight: 500;
}

#pageHeaderSection .breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    color: #adb5bd;
    padding: 0 0.75rem;
    font-weight: normal;
}

/* Products Section - 背景颜色与分类展示区域一致 */
section.py-5:has(.products-section-container) {
    padding: 0 !important;
    margin: 0 !important;
}

.products-section-container {
    background-color: #EEF1EA !important;
    padding: 40px 20px;
    border-radius: 8px;
    margin-top: 0 !important;
}

/* 侧边栏背景已在.sidebar中设置，确保与容器背景一致 */
.sidebar {
    background: #EEF1EA !important;
}

/* 产品网格区域背景透明（使用容器背景） */
.col-lg-9 {
    background-color: transparent;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.filter-options {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 10px;
    background: white;
}

.filter-options .form-check {
    margin-bottom: 8px;
}

.filter-options .form-check:last-child {
    margin-bottom: 0;
}

.range-filter {
    padding: 10px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background: white;
}

.range-filter .form-label {
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.out-of-stock {
    opacity: 0.6;
}

.out-of-stock .card-img-top {
    filter: grayscale(100%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    color: white;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(54, 156, 168, 0.4);
    border: none;
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 产品列表栏：小屏/中屏改为上下两行（Showing 单独一行，Per page / Sort by 一行） */
@media (max-width: 991.98px) {
    .products-list-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem;
        padding: 0.5rem 0;
    }
    .products-list-bar-count {
        width: 100%;
        flex-shrink: 0;
    }
    .products-list-bar-controls {
        gap: 0.75rem;
        flex-wrap: nowrap;
    }
    .products-list-bar-controls .form-select {
        min-width: 5rem;
        max-width: 100%;
    }
}