/* product_list.css */

/* 全體容器排版 */
.product-page-container {
    display: flex;
    gap: 2rem;
}

/* 麵包屑樣式 */
.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    text-decoration: none;
    color: #666;
    padding-right: var(--spacing-md);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    padding: 0 var(--spacing-md);
}

/* 左側篩選欄 */
.sidebar {
    width: 200px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-light);
    padding-right: 1.5rem;
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
}

.sidebar h6 {
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    font-size: var(--font-size-base);
}

.sidebar ul {
    list-style: none;
    padding-left: 0;
}

.sidebar ul li {
    margin-bottom: 0.5rem;
}

.sidebar ul li a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: inline-block;
    border-radius: var(--border-radius-sm);
    width: 100%;
    transition: background-color var(--transition-fast),
        color var(--transition-fast), font-size 0.1s ease;
}

.sidebar ul li a:hover {
    font-size: var(--font-size-base);
    color: var(--primary-active);
    background-color: transparent;
    font-weight: var(--font-weight-medium);
}

.sidebar ul li a.active {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    background-color: var(--primary-light);
    padding: var(--spacing-sm) var(--spacing-md);
}

/* 主內容區與標題排序列 */
.main-content {
    flex: 1;
}

.top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.featured-heading {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    color: var(--text-light);
}

.sort-select {
    font-size: 0.9rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-secondary);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-active);
}

/* 商品卡片樣式 */
.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
}

.product-card {
    flex: 0 0 25%;
    display: flex;
    flex-direction: column;
    border: none;
    background-color: transparent;
    padding-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-slow),
        box-shadow var(--transition-slow);
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px var(--shadow-dark);
    z-index: 2;
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-image-wrapper:hover img {
    transform: scale(1.05);
}

.card-body {
    padding: 1.2rem 0 0;
    text-align: center;
}

.card-title {
    font-size: 1.05rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 0.25rem;
    line-height: 1.4;
    height: 2.8em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    padding: 0 var(--spacing-md);
}

.card-text {
    font-size: var(--font-size-base);
    color: #666;
}

/* 手機篩選面板的 <ul> <li> 樣式清理 */
.mobile-filter-panel ul,
.mobile-filter-panel ul li {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.mobile-filter-panel ul li a {
    text-decoration: none;
    color: var(--text-primary) !important;
    display: block;
    padding: 6px 0;
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
}

.mobile-filter-panel ul li a:hover {
    color: var(--primary-active) !important;
}

.mobile-filter-panel ul li a.active {
    font-weight: var(--font-weight-bold);
    color: var(--primary-active) !important;
}

/* 面板本體：加上動畫 + 初始狀態不再用 display 控制 */
.mobile-filter-panel {
    background-color: var(--primary-light);
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80vw;
    z-index: 1099;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    visibility: hidden;
    pointer-events: none;
}

.mobile-filter-panel.show {
    transform: translateX(0%);
    visibility: visible;
    pointer-events: auto;
}

.mobile-filter-panel.hiding {
    visibility: visible;
}

#mobileFilterOverlay {
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1098;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
    display: none;
}

#mobileFilterOverlay.show {
    opacity: 1;
    pointer-events: auto;
    display: block;
}

.filter-toggle-btn {
    font-size: 0.95rem;
    border: 1px solid var(--border-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-white);
    transition: all var(--transition-fast);
}

.filter-toggle-btn:hover {
    border-color: var(--primary-active);
    background-color: var(--bg-light);
}

.section-heading {
    text-align: center;
    position: relative;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-heading::before,
.section-heading::after {
    content: "";
    display: inline-block;
    width: 40px;
    height: 1px;
    background-color: #aaa;
    vertical-align: middle;
    margin: 0 var(--spacing-md);
}

/* 售完樣式 */
.soldout-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.48);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
    pointer-events: none;
}

.soldout-text {
    font-size: 1.4rem;
    color: var(--bg-white);
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.4);
    z-index: 10;
}

.soldout-overlay-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* 響應式 RWD */
@media (max-width: 1024px) {
    .product-card {
        flex: 0 0 100%;
        padding-bottom: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .product-page-container {
        flex-direction: column;
    }

    .top-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .card-title {
        font-size: var(--font-size-base);
        height: auto;
        -webkit-line-clamp: 3;
    }

    .sort-select {
        width: 100%;
    }

    .product-grid {
        gap: 1rem;
    }

    /* 手機版面板樣式調整 */
    .mobile-filter-panel {
        width: 85vw;
    }

    .mobile-filter-panel .p-3 {
        padding: var(--spacing-lg) !important;
    }

    .mobile-filter-panel .form-select {
        border: 1px solid var(--form-border);
        border-radius: var(--border-radius);
        transition: border-color var(--transition-fast);
    }

    .mobile-filter-panel .form-select:focus {
        border-color: var(--form-focus);
        box-shadow: 0 0 0 0.2rem var(--primary-25);
    }
}