/**
 * Shop-Bedding Theme - Category Page Styles
 * Sidebar filter, product grid, pagination
 *
 * @package shop-bedding
 */

/* ==========================================
   Category Page Layout
   ========================================== */
.sb-category-page {
    padding: 2rem 0;
}

.sb-category-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
    align-items: start;
}

/* ==========================================
   Sidebar Filter
   ========================================== */
.sb-category-sidebar {
    position: sticky;
    top: calc(var(--sb-header-height) + var(--sb-nav-height) + 60px);
}

.sb-filter-group {
    background: var(--sb-bg);
    border: 1px solid var(--sb-border-light);
    border-radius: var(--sb-radius-lg);
    padding: 1.25rem;
}

.sb-filter-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--sb-text);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sb-primary);
}

.sb-filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.sb-filter-item a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--sb-text);
    border-radius: var(--sb-radius);
    transition: all var(--sb-transition);
}

.sb-filter-item a:hover {
    background: var(--sb-bg-gray);
    color: var(--sb-primary);
}

.sb-filter-item.active a {
    background: var(--sb-primary-bg);
    color: var(--sb-primary);
    font-weight: 600;
}

.sb-filter-item a i {
    width: 1rem;
    text-align: center;
    font-size: 0.75rem;
}

.sb-filter-count {
    margin-left: auto;
    font-size: 0.6875rem;
    color: var(--sb-text-muted);
}

/* ==========================================
   Size Filter
   ========================================== */
.sb-filter-group-size {
    margin-top: 1rem;
}

.sb-filter-size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(3rem, 1fr));
    gap: 0.5rem;
}

.sb-filter-size-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sb-text);
    background: var(--sb-bg);
    border: 1.5px solid var(--sb-border);
    border-radius: var(--sb-radius);
    text-align: center;
    transition: all var(--sb-transition);
    cursor: pointer;
    text-decoration: none;
}

.sb-filter-size-badge:hover {
    background: var(--sb-bg-gray);
    border-color: var(--sb-primary);
    color: var(--sb-primary);
}

.sb-filter-size-badge.active {
    background: var(--sb-primary);
    border-color: var(--sb-primary);
    color: #ffffff;
}

.sb-filter-size-badge.active:hover {
    opacity: 0.85;
}

.sb-filter-size-clear {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.625rem;
    font-size: 0.75rem;
    color: var(--sb-text-muted);
    text-decoration: none;
}

.sb-filter-size-clear:hover {
    color: var(--sb-danger, #e53935);
}

/* ==========================================
   Category Content Area
   ========================================== */
.sb-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.sb-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sb-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sb-category-title i {
    color: var(--sb-primary);
}

.sb-category-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sb-filter-toggle {
    display: none;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    font-size: 0.8125rem;
    color: var(--sb-text);
    background: var(--sb-bg);
}

/* ==========================================
   Empty State
   ========================================== */
.sb-category-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--sb-text-muted);
}

.sb-category-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.sb-category-empty p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* ==========================================
   Pagination
   ========================================== */
.sb-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.375rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--sb-border-light);
}

.sb-pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    color: var(--sb-text);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    transition: all var(--sb-transition);
}

.sb-pagination-link:hover {
    background: var(--sb-bg-gray);
    border-color: var(--sb-primary-light);
    color: var(--sb-primary);
}

.sb-pagination-link.active {
    background: var(--sb-primary);
    border-color: var(--sb-primary);
    color: #ffffff;
    font-weight: 600;
}

.sb-pagination-prev,
.sb-pagination-next {
    font-size: 0.75rem;
}

/* ==========================================
   Mobile Filter Overlay
   ========================================== */
.sb-filter-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
}

.sb-filter-overlay.active {
    display: block;
}

.sb-filter-mobile {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--sb-bg);
    z-index: 2001;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sb-filter-mobile.active {
    left: 0;
}

.sb-filter-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--sb-border);
    font-weight: 600;
}

.sb-filter-mobile-close {
    font-size: 1.25rem;
    color: var(--sb-text);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sb-filter-mobile-body {
    padding: 1rem;
}

.sb-filter-mobile-body .sb-filter-title {
    font-size: 0.875rem;
}

.sb-filter-mobile-body .sb-filter-item a {
    padding: 0.625rem 0.75rem;
}

/* ==========================================
   Responsive: Tablet (768px~1023px)
   ========================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    .sb-category-layout {
        grid-template-columns: 180px 1fr;
        gap: 1.5rem;
    }
}

/* ==========================================
   Responsive: Mobile (360px~767px)
   ========================================== */
@media (max-width: 767px) {
    .sb-category-page {
        padding: 1rem 0;
    }

    .sb-category-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .sb-category-sidebar {
        display: none;
    }

    .sb-filter-toggle {
        display: flex;
    }

    .sb-category-header {
        margin-bottom: 1rem;
    }

    .sb-category-title {
        font-size: 1.125rem;
        width: 100%;
    }

    .sb-pagination-link {
        min-width: 2rem;
        height: 2rem;
        font-size: 0.8125rem;
    }

    .sb-filter-size-grid {
        grid-template-columns: repeat(auto-fill, minmax(2.75rem, 1fr));
        gap: 0.375rem;
    }

    .sb-filter-size-badge {
        padding: 0.4375rem 0.25rem;
        font-size: 0.75rem;
    }
}