/**
 * SibylMary Store - Collection Page Styles
 * 分类页样式表
 */

/* Page Header */
.page_header {
    background: var(--color_surface);
    padding: var(--space_xl) 0 var(--space_lg);
    text-align: center;
    border-bottom: 1px solid var(--color_border);
}

.page_header h1 {
    font-family: var(--font_heading);
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: var(--space_xs);
}

.page_header p {
    color: var(--color_secondary);
}

/* Collection Layout */
.collection_layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--space_lg);
    max-width: var(--container_max);
    margin: 0 auto;
    padding: var(--space_lg) var(--container_padding);
}

/* Sidebar */
.collection_sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.filter_section {
    margin-bottom: var(--space_lg);
    padding-bottom: var(--space_lg);
    border-bottom: 1px solid var(--color_border);
}

.filter_section:last-child {
    border-bottom: none;
}

.filter_section h3 {
    font-family: var(--font_heading);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space_md);
}

.filter_list {
    list-style: none;
}

.filter_list li {
    margin-bottom: var(--space_xs);
}

.filter_list a {
    display: block;
    padding: var(--space_xs) 0;
    font-size: 0.875rem;
    color: var(--color_secondary);
    transition: all 0.2s ease;
}

.filter_list a:hover,
.filter_list a.active {
    color: var(--color_accent);
    padding-left: var(--space_xs);
}

.price_range {
    font-size: 0.875rem;
    color: var(--color_secondary);
}

.size_options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space_xs);
}

.size_tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color_border);
    font-size: 0.75rem;
    color: var(--color_secondary);
}

/* Collection Main */
.collection_main {
    min-height: 500px;
}

/* Toolbar */
.collection_toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space_md);
    margin-bottom: var(--space_md);
    border-bottom: 1px solid var(--color_border);
}

.results_count {
    font-size: 0.875rem;
    color: var(--color_secondary);
}

.sort_dropdown {
    display: flex;
    align-items: center;
    gap: var(--space_xs);
}

.sort_dropdown label {
    font-size: 0.875rem;
    color: var(--color_secondary);
}

.sort_dropdown select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--color_border);
    background: var(--color_surface);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
}

/* Product Grid */
.product_grid.three_column {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space_lg);
}

.product_card {
    background: var(--color_surface);
    transition: transform 0.3s ease;
}

.product_card:hover {
    transform: translateY(-4px);
}

.card_link {
    display: block;
}

.card_visual {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--color_background);
}

.card_visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product_card:hover .card_visual img {
    transform: scale(1.05);
}

.placeholder_visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color_secondary);
    font-size: 0.875rem;
}

.quick_info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space_sm);
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
    color: var(--color_surface);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.product_card:hover .quick_info {
    opacity: 1;
    transform: translateY(0);
}

.card_details {
    padding: var(--space_sm);
}

.product_name {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: var(--space_xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product_price {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color_accent);
}

/* No Results */
.no_results {
    text-align: center;
    padding: var(--space_xl) 0;
}

.no_results p {
    color: var(--color_secondary);
    margin-bottom: var(--space_md);
}

/* Responsive */
@media (max-width: 1024px) {
    .collection_layout {
        grid-template-columns: 200px 1fr;
    }
    
    .product_grid.three_column {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .collection_layout {
        grid-template-columns: 1fr;
    }
    
    .collection_sidebar {
        position: static;
        display: none; /* Could add a mobile filter toggle */
    }
    
    .page_header h1 {
        font-size: 2rem;
    }
    
    .collection_toolbar {
        flex-direction: column;
        gap: var(--space_sm);
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .product_grid.three_column {
        grid-template-columns: 1fr;
    }
}