/* ==========================================================================
   MYSHOP STOREFRONT CATALOG & SHOP STYLESHEET
   Page: /shop/, /shop/category/<slug>/, /shop/brand/<slug>/
   Features: 
     - Sticky Faceted Sidebar Filtering
     - Responsive 2-Column Catalog Layout
     - Mobile Filter Off-Canvas Drawer & Overlay
     - Dynamic Dual View Modes (Grid & List)
     - Interactive Price Range Inputs
     - Active Filter Dismissible Chips
     - Result Counter & Pagination Bar
   ========================================================================== */

/* --- Layout Container & Spacing --- */
.shop-page-section {
    padding: 24px 0 60px;
    background: var(--bg-page);
    min-height: 80vh;
}

/* Breadcrumbs */
.shop-breadcrumbs-nav {
    margin-bottom: 16px;
}
.shop-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.shop-breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.shop-breadcrumbs a:hover {
    color: var(--accent-primary);
}
.shop-breadcrumbs .sep {
    color: var(--border-medium);
}
.shop-breadcrumbs .current {
    color: var(--text-primary);
    font-weight: 600;
}

/* Banner Header */
.shop-header-banner {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-image: radial-gradient(circle at 95% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
}
.shop-banner-info h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    letter-spacing: -0.5px;
}
.shop-banner-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 600px;
}
.shop-banner-stats {
    display: flex;
    align-items: center;
    gap: 12px;
}
.shop-badge-total {
    background: var(--accent-gradient-glow);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
}

/* 2-Column Catalog Grid */
.shop-main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: flex-start;
}

/* --- Sticky Sidebar Filters --- */
.shop-sidebar {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 90px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-medium) transparent;
}
.shop-sidebar::-webkit-scrollbar {
    width: 5px;
}
.shop-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 4px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-reset-filters {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.btn-reset-filters:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}

/* Filter Sections */
.filter-group {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-subtle);
}
.filter-group:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}
.filter-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Search within shop */
.shop-filter-search-box {
    position: relative;
    margin-bottom: 14px;
}
.shop-filter-search-box input {
    width: 100%;
    padding: 9px 12px 9px 34px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}
.shop-filter-search-box input:focus {
    border-color: var(--accent-primary);
    background: var(--bg-surface);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}
.shop-filter-search-box .icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Category & Brand Options List */
.filter-scrollable-list {
    max-height: 210px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-subtle) transparent;
    padding-right: 4px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.filter-checkbox-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.86rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.filter-checkbox-label:hover {
    background: var(--bg-surface-raised);
    color: var(--text-primary);
}
.filter-checkbox-label.active {
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--accent-gradient-glow);
}
.filter-checkbox-left {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 0;
}
.filter-checkbox-left input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}
.filter-name-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.filter-count-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-surface-raised);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

/* Price Range Inputs */
.price-inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}
.price-input-box {
    position: relative;
}
.price-input-box span.currency-tag {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}
.price-input-box input {
    width: 100%;
    padding: 8px 8px 8px 24px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-primary);
    box-sizing: border-box;
    outline: none;
    transition: border var(--transition-fast);
}
.price-input-box input:focus {
    border-color: var(--accent-primary);
    background: var(--bg-surface);
}
.btn-apply-price {
    width: 100%;
    padding: 8px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-apply-price:hover {
    background: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
}

/* Rating Stars Filter */
.rating-filter-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.rating-option-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.rating-option-row:hover, .rating-option-row.active {
    background: var(--accent-gradient-glow);
    color: var(--text-primary);
    font-weight: 600;
}
.rating-stars-yellow {
    color: #f59e0b;
    letter-spacing: 2px;
}

/* Toggle Switches for Stock and On Sale */
.filter-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    cursor: pointer;
}
.filter-toggle-label {
    font-size: 0.86rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* --- Control Toolbar --- */
.shop-toolbar {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 14px 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}
.toolbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.results-count-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.results-count-text strong {
    color: var(--text-primary);
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sort-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.sort-select {
    padding: 8px 12px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.sort-select:focus {
    border-color: var(--accent-primary);
}

/* View Mode Toggles (Grid vs List) */
.view-mode-buttons {
    display: flex;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2px;
    gap: 2px;
}
.btn-view-mode {
    width: 34px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-view-mode:hover {
    color: var(--text-primary);
}
.btn-view-mode.active {
    background: var(--bg-surface);
    color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

/* Mobile Filter Trigger Button */
.btn-mobile-filter {
    display: none;
    align-items: center;
    gap: 8px;
    background: var(--accent-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    padding: 9px 16px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
}
.btn-mobile-filter span.badge-num {
    background: rgba(255, 255, 255, 0.3);
    padding: 1px 7px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

/* --- Active Filter Tags Bar --- */
.active-filters-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.active-filters-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
}
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}
.filter-chip:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--danger);
    color: var(--danger);
}
.filter-chip .chip-close {
    font-size: 0.9rem;
    line-height: 1;
}
.btn-clear-all-chips {
    font-size: 0.8rem;
    color: var(--danger);
    font-weight: 700;
    text-decoration: none;
    padding: 4px 8px;
    transition: opacity var(--transition-fast);
}
.btn-clear-all-chips:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* --- Product Cards: Grid vs List Layout --- */
.shop-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* List View Mode */
.shop-products-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.shop-products-grid.list-view .store-product-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: auto;
}
.shop-products-grid.list-view .card-image-box {
    height: 100%;
    min-height: 200px;
}
.shop-products-grid.list-view .card-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px 24px;
}
.shop-products-grid.list-view .list-card-description {
    display: block;
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 8px 0 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.shop-products-grid.list-view .card-footer-action {
    margin-top: 14px;
    justify-content: flex-start;
    gap: 12px;
}
.shop-products-grid.list-view .card-footer-action .btn-add-cart {
    max-width: 220px;
}

/* Empty State Card */
.shop-empty-card {
    grid-column: 1 / -1;
    background: var(--bg-surface);
    border: 1px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 60px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.empty-icon-circle {
    width: 72px;
    height: 72px;
    background: var(--bg-surface-raised);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 18px;
}
.shop-empty-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}
.shop-empty-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 460px;
    margin: 0 auto 24px;
}

/* --- Pagination Controls --- */
.shop-pagination-wrap {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.shop-page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}
.shop-page-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--bg-surface-raised);
}
.shop-page-btn.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}
.shop-page-btn.disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}

/* --- Mobile Drawer & Overlay --- */
.mobile-filter-drawer {
    display: none;
}
.drawer-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.drawer-backdrop.show {
    display: block;
    opacity: 1;
}

/* Responsive Media Queries */
@media (max-width: 1180px) {
    .shop-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 920px) {
    .shop-main-layout {
        grid-template-columns: 1fr;
    }
    
    /* Hide desktop sidebar on mobile */
    .shop-sidebar {
        display: none;
    }

    .btn-mobile-filter {
        display: inline-flex;
    }

    /* Mobile Drawer slide-in panel */
    .mobile-filter-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 320px;
        max-width: 85vw;
        background: var(--bg-surface);
        z-index: 999;
        box-shadow: var(--shadow-xl);
        transform: translateX(-100%);
        transition: transform var(--transition-smooth);
        display: flex;
        flex-direction: column;
    }
    .mobile-filter-drawer.open {
        transform: translateX(0);
    }
    .drawer-header {
        padding: 18px 20px;
        border-bottom: 1px solid var(--border-subtle);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .drawer-header h3 {
        margin: 0;
        font-size: 1.15rem;
        font-weight: 800;
        color: var(--text-primary);
    }
    .drawer-close-btn {
        background: none;
        border: none;
        font-size: 1.4rem;
        color: var(--text-muted);
        cursor: pointer;
        padding: 4px;
    }
    .drawer-body {
        padding: 20px;
        overflow-y: auto;
        flex: 1;
    }
    .drawer-footer {
        padding: 16px 20px;
        border-top: 1px solid var(--border-subtle);
        background: var(--bg-surface-raised);
    }
    .btn-drawer-apply {
        width: 100%;
        background: var(--accent-gradient);
        color: #ffffff;
        border: none;
        padding: 12px;
        border-radius: var(--radius-md);
        font-weight: 700;
        font-size: 0.95rem;
        cursor: pointer;
    }
}

@media (max-width: 640px) {
    .shop-products-grid {
        grid-template-columns: 1fr;
    }
    .shop-header-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
    }
    .shop-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .toolbar-left, .toolbar-right {
        justify-content: space-between;
        width: 100%;
    }
    .shop-products-grid.list-view .store-product-card {
        grid-template-columns: 1fr;
    }
}