        :root {
            --color-primary: #0095de;
            --color-primary-light: #a0dffe;
            --color-primary-dark: #0077b3;
            --color-accent: #0095de;
            --color-bg: #FFFFFF;
            --color-bg-light: #f8fcff;
            --color-bg-card: #f0f9ff;
            --color-text: #1a1a2e;
            --color-text-secondary: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #e0f2fe;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            
            --gradient-primary: linear-gradient(135deg, #0095de 0%, #00b4ff 50%, #a0dffe 100%);
            --gradient-card: linear-gradient(135deg, #0095de 0%, #00b4ff 100%);
            
            --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            
            --max-width: 1380px;
            --topbar-height: 40px;
            --header-height: 72px;
            
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,149,222,0.1);
            --shadow-lg: 0 10px 40px rgba(0,149,222,0.15);
            
            --transition: 0.3s ease;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { 
            font-family: var(--font-primary); 
            font-size: 15px; 
            line-height: 1.6; 
            color: var(--color-text); 
            background: var(--color-bg-light);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }
        ul, ol { list-style: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, select { font-family: inherit; }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-primary {
            background: var(--gradient-card);
            color: white;
            box-shadow: 0 4px 15px rgba(0,149,222,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,149,222,0.4);
        }
        .btn-outline {
            background: white;
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            background: var(--color-bg-card);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.1);
            color: white;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .btn-ghost:hover { background: rgba(255,255,255,0.2); }
        .btn-sm { padding: 8px 16px; font-size: 13px; }
        .btn-xs { padding: 6px 12px; font-size: 12px; }

        /* Icons */
        .icon { width: 20px; height: 20px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
        .icon-sm { width: 16px; height: 16px; }
        .icon-lg { width: 24px; height: 24px; }

        /* ============================================
           PAGE HEADER - Hero Style
        ============================================ */
        .page-header {
            position: relative;
            padding: calc(var(--topbar-height) + var(--header-height) + 60px) 0 60px;
            background: linear-gradient(135deg, rgba(0,50,80,0.85) 0%, rgba(0,100,150,0.7) 100%),
                        url('https://images.unsplash.com/photo-1532187863486-abf9dbad1b69?w=1600&h=600&fit=crop&q=80');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,20,40,0.3) 0%, rgba(0,60,100,0.5) 100%);
            pointer-events: none;
        }
        .page-header-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .page-header-content {
            max-width: 600px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
        }
        .breadcrumb a { color: rgba(255,255,255,0.8); transition: color var(--transition); }
        .breadcrumb a:hover { color: white; }
        .breadcrumb-sep { color: rgba(255,255,255,0.4); }
        .page-title {
            font-size: 36px;
            font-weight: 700;
            color: white;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .page-title span { color: var(--color-primary-light); }
        .page-subtitle {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            margin-top: 12px;
            line-height: 1.6;
        }
        
        /* Hero Stats */
        .hero-stats {
            display: flex;
            gap: 16px;
            margin-top: 28px;
        }
        .hero-stat {
            padding: 16px 24px;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-md);
            text-align: center;
            transition: all var(--transition);
        }
        .hero-stat:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hero-stat-value {
            font-size: 28px;
            font-weight: 700;
            color: white;
            line-height: 1;
            margin-bottom: 4px;
        }
        .hero-stat-label {
            font-size: 12px;
            color: rgba(255,255,255,0.7);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        @media (max-width: 768px) {
            .page-header { padding: calc(var(--header-height) + 30px) 0 40px; }
            .page-title { font-size: 28px; }
            .hero-stats { flex-wrap: wrap; }
            .hero-stat { padding: 12px 16px; flex: 1; min-width: 100px; }
        }

        /* ============================================
           MAIN LAYOUT
        ============================================ */
        .main-content {
            padding: 32px 0 80px;
        }
        .products-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 32px;
        }

        @media (max-width: 960px) {
            .products-layout { grid-template-columns: 1fr; }
        }

        /* ============================================
           SIDEBAR FILTERS
        ============================================ */
        
        /* === Desktop Styles (Default) === */
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            height: fit-content;
        }
        
        /* Hide mobile-only elements on desktop */
        .mobile-filter-close {
            display: none;
        }
        .mobile-filter-toggle {
            display: none;
        }
        
        /* Filter card styling */
        .filter-card {
            background: white;
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }
        .filter-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .filter-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
        }
        .filter-clear {
            font-size: 12px;
            color: var(--color-primary);
            cursor: pointer;
            transition: color var(--transition);
        }
        .filter-clear:hover { color: var(--color-primary-dark); }
        
        .filter-section { margin-bottom: 16px; border-bottom: 1px solid var(--color-border-light); padding-bottom: 16px; }
        .filter-section:last-child { margin-bottom: 0; border-bottom: none; }
        .filter-section-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
        }
        .filter-section-title::after {
            content: '';
            width: 8px;
            height: 8px;
            border-right: 2px solid var(--color-text-muted);
            border-bottom: 2px solid var(--color-text-muted);
            transform: rotate(-135deg);
            transition: transform 0.2s ease;
        }
        .filter-section.collapsed .filter-section-title::after {
            transform: rotate(45deg);
        }
        .filter-section-content {
            overflow: hidden;
            transition: max-height 0.3s ease;
            max-height: none;
        }
        .filter-section.collapsed .filter-section-content {
            max-height: 0;
        }
        
        .filter-options { display: flex; flex-direction: column; gap: 6px; }
        .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px;
            background: var(--color-bg-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-option:hover { background: var(--color-bg-card); }
        .filter-option.active {
            background: var(--color-bg-card);
            border: 1px solid var(--color-primary-light);
        }
        .filter-checkbox {
            width: 18px;
            height: 18px;
            border: 2px solid var(--color-border);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .filter-option.active .filter-checkbox {
            background: var(--color-primary);
            border-color: var(--color-primary);
        }
        .filter-checkbox .icon { width: 12px; height: 12px; color: white; opacity: 0; }
        .filter-option.active .filter-checkbox .icon { opacity: 1; }
        .filter-option-label {
            flex: 1;
            font-size: 14px;
            color: var(--color-text);
        }
        .filter-option-count {
            font-size: 12px;
            color: var(--color-text-muted);
            background: var(--color-bg-light);
            padding: 2px 8px;
            border-radius: var(--radius-full);
        }
        .filter-option.active .filter-option-count {
            background: white;
            color: var(--color-primary);
        }
        
        .filter-range {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .filter-range-input {
            flex: 1;
            padding: 10px 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            background: var(--color-bg-light);
            transition: all var(--transition);
        }
        .filter-range-input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: white;
        }
        .filter-range-sep {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            padding: 6px 12px;
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 13px;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-tag:hover { border-color: var(--color-primary-light); color: var(--color-primary); }
        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: white;
        }

        /* === Mobile/Tablet Styles (≤960px) === */
        @media (max-width: 960px) {
            /* Show mobile filter toggle button */
            .mobile-filter-toggle {
                display: flex;
                width: 100%;
                padding: 14px 20px;
                background: white;
                border: 1px solid var(--color-border);
                border-radius: var(--radius-md);
                font-size: 14px;
                font-weight: 600;
                color: var(--color-text);
                margin-bottom: 20px;
                justify-content: center;
                gap: 8px;
                cursor: pointer;
            }
            .mobile-filter-toggle .icon { width: 18px; height: 18px; }
            
            /* Sidebar - LEFT slide, HIDDEN by default */
            .sidebar {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                right: auto;
                bottom: 0;
                width: 320px;
                max-width: 85vw;
                height: 100%;
                background-color: #fff;
                z-index: 99999;
                padding: 0;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
                box-shadow: 5px 0 30px rgba(0,0,0,0.15);
            }
            
            /* Sidebar open state */
            .sidebar.is-open {
                display: block;
            }
            
            /* Mobile filter close header */
            .mobile-filter-close {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 16px 20px;
                border-bottom: 1px solid #e0f2fe;
                background-color: #fff;
                position: sticky;
                top: 0;
                z-index: 10;
            }
            
            .mobile-filter-close-btn {
                width: 36px;
                height: 36px;
                display: flex;
                align-items: center;
                justify-content: center;
                border-radius: 50%;
                color: #6b7280;
                background-color: #f0f9ff;
                border: none;
                cursor: pointer;
            }
            
            /* Filter card */
            .filter-card {
                margin-bottom: 0;
                border-radius: 0;
                border: none;
                box-shadow: none;
                padding-bottom: 120px;
                background-color: #fff;
            }
        }
        
        /* === Overlay - BELOW sidebar === */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 99998;
        }

        /* ============================================
           PRODUCTS AREA
        ============================================ */
        .products-area { flex: 1; }
        
        .products-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: white;
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            flex-wrap: wrap;
            gap: 16px;
        }
        .products-count {
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .products-count strong { color: var(--color-text); font-weight: 600; }
        
        .products-toolbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .sort-select {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sort-select label {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .sort-select select {
            padding: 8px 32px 8px 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--color-text);
            background: white 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='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 10px center;
            appearance: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .sort-select select:focus {
            outline: none;
            border-color: var(--color-primary);
        }
        
        .view-toggle {
            display: flex;
            background: var(--color-bg-light);
            border-radius: var(--radius-sm);
            padding: 4px;
        }
        .view-toggle-btn {
            padding: 8px 12px;
            border-radius: 6px;
            color: var(--color-text-muted);
            transition: all var(--transition);
        }
        .view-toggle-btn:hover { color: var(--color-text); }
        .view-toggle-btn.active {
            background: white;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .view-toggle-btn .icon { width: 18px; height: 18px; }

        /* Product List View */
        .products-list { display: flex; flex-direction: column; gap: 16px; max-width: 100%; overflow: hidden; }
        
        .product-item {
            display: grid;
            grid-template-columns: 140px 1fr auto;
            gap: 24px;
            padding: 24px;
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: center;
            position: relative;
            cursor: pointer;
            overflow: hidden;
            max-width: 100%;
        }
        
        /* Full card clickable link */
        .product-item-link {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1;
            border-radius: var(--radius-lg);
        }
        
        /* Keep content above the link */
        .product-image,
        .product-info,
        .product-actions {
            position: relative;
            z-index: 2;
            pointer-events: none;
        }
        
        .product-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        
        .product-image {
            width: 140px;
            aspect-ratio: 1 / 1;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .product-image-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-bg-light);
            color: var(--color-text-muted);
        }
        .product-image-placeholder .icon { width: 32px; height: 32px; opacity: 0.4; stroke: currentColor; fill: none; stroke-width: 1.5; }
        .product-image-placeholder span { font-size: 11px; color: var(--color-text-muted); }
        
        .product-info { 
            flex: 1; 
            min-width: 0;
            overflow: hidden;
            word-wrap: break-word;
            overflow-wrap: break-word;
        }
        .product-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
            max-width: 100%;
        }
        
        /* List view: badges in one row, auto wrap */
        .products-list .product-badges {
            flex-direction: row;
            align-items: flex-start;
            gap: 6px;
        }
        
        .product-badge {
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-full);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            white-space: normal;
            word-wrap: break-word;
            overflow-wrap: break-word;
            max-width: 100%;
            line-height: 1.3;
        }
        .product-badge-category {
            background: var(--color-bg-card);
            color: var(--color-primary);
        }
        .product-badge-stock {
            background: rgba(16, 185, 129, 0.1);
            color: var(--color-success);
            white-space: nowrap;
        }
        .product-badge-order {
            background: rgba(245, 158, 11, 0.1);
            color: var(--color-warning);
            white-space: nowrap;
        }
        .product-badge-new {
            background: var(--gradient-card);
            color: white;
            white-space: nowrap;
        }
        
        .product-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            transition: color var(--transition);
        }
        .product-name:hover { color: var(--color-primary); }
        
        .product-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin-bottom: 10px;
            font-size: 13px;
            max-width: 100%;
        }
        .product-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--color-text-secondary);
            word-wrap: break-word;
            overflow-wrap: break-word;
            max-width: 100%;
        }
        .product-meta-item strong { color: var(--color-text); font-weight: 500; }
        .product-meta-item .icon { width: 14px; height: 14px; color: var(--color-text-muted); }
        
        .product-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            word-wrap: break-word;
            overflow-wrap: break-word;
        }
        
        .product-actions {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 12px;
            min-width: 160px;
        }
        .product-price {
            text-align: right;
        }
        .product-price-label {
            font-size: 11px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .product-price-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .product-price-unit {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 400;
        }
        .product-btns {
            display: flex;
            gap: 8px;
        }

        /* Product Grid View */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .products-grid .product-item {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .products-grid .product-image {
            width: 100%;
            aspect-ratio: 1 / 1;
        }
        /* Grid view: badges stay horizontal */
        .products-grid .product-badges {
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
        }
        .products-grid .product-actions {
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-width: auto;
        }
        .products-grid .product-price { text-align: left; }
        .products-grid .product-btns { flex: 1; justify-content: flex-end; }

        @media (max-width: 1100px) {
            .products-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .products-list .product-item {
                grid-template-columns: 100px 1fr;
                gap: 12px;
                padding: 16px;
                overflow: hidden;
            }
            .products-list .product-image { width: 100px; aspect-ratio: 1 / 1; flex-shrink: 0; }
            .products-list .product-actions { display: none; }
            .products-list .product-desc { display: none; }
            .products-list .product-meta { margin-bottom: 0; }
            /* Hide stock badge on mobile list view */
            .products-list .product-badge-stock,
            .products-list .product-badge-order { display: none; }
            /* Show first meta-item (CAS), hide second (Molecular Formula) */
            .products-list .product-meta-item:first-child { display: inline-flex; }
            .products-list .product-meta-item:nth-child(n+2) { display: none; }
            
            /* Fix product-info overflow on mobile */
            .products-list .product-info {
                min-width: 0;
                max-width: 100%;
                overflow: hidden;
            }
            
            /* Fix badge category text wrapping on mobile */
            .products-list .product-badges {
                max-width: 100%;
            }
            .products-list .product-badge-category {
                white-space: normal;
                word-wrap: break-word;
                overflow-wrap: break-word;
                line-height: 1.3;
                max-width: 100%;
                display: inline-block;
            }
            
            /* Mobile Grid - 2 columns with compact cards */
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .products-grid .product-item {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 12px;
            }
            .products-grid .product-image { 
                width: 100%; 
                aspect-ratio: 1 / 1;
                border-radius: var(--radius-sm);
            }
            .products-grid .product-name {
                font-size: 13px;
                line-height: 1.3;
                margin-bottom: 4px;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            /* Show category badge on mobile */
            .products-grid .product-badges { 
                display: flex;
                margin-bottom: 6px;
            }
            .products-grid .product-badge {
                font-size: 9px;
                padding: 2px 6px;
            }
            .products-grid .product-badge-stock,
            .products-grid .product-badge-order,
            .products-grid .product-badge-new {
                display: none;
            }
            /* Show CAS on mobile */
            .products-grid .product-meta {
                display: flex;
                margin-bottom: 6px;
            }
            .products-grid .product-meta-item {
                font-size: 11px;
            }
            .products-grid .product-meta-item:not(:first-child) {
                display: none;
            }
            .products-grid .product-desc { display: none; }
            .products-grid .product-actions {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                width: 100%;
                min-width: auto;
                gap: 8px;
            }
            .products-grid .product-price { 
                text-align: left;
                margin-bottom: 0;
            }
            .products-grid .product-price-label {
                display: none;
            }
            .products-grid .product-price-value {
                font-size: 14px;
            }
            .products-grid .product-price-unit {
                font-size: 10px;
            }
            .products-grid .product-btns { 
                justify-content: flex-end;
            }
            .products-grid .product-btns .btn {
                padding: 6px 10px;
                font-size: 11px;
            }
            .products-grid .product-btns .btn-ghost {
                display: none;
            }
        }
        
        @media (max-width: 400px) {
            .products-grid {
                gap: 8px;
            }
            .products-grid .product-item {
                padding: 10px;
            }
            .products-grid .product-name {
                font-size: 12px;
            }
            .products-grid .product-price-value {
                font-size: 13px;
            }
        }
        
        /* Mobile toolbar adjustments */
        @media (max-width: 576px) {
            .products-toolbar {
                padding: 12px 16px;
            }
            .products-toolbar-right {
                width: 100%;
                justify-content: space-between;
            }
            .sort-select label {
                display: none;
            }
            .sort-select select {
                font-size: 12px;
                padding: 6px 28px 6px 10px;
            }
            .view-toggle-btn {
                padding: 6px 10px;
            }
        }

        /* ============================================
           PAGINATION
        ============================================ */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: white;
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }
        .pagination-btn:hover:not(:disabled) {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .pagination-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: white;
        }
        .pagination-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        .pagination-btn .icon { width: 18px; height: 18px; }
        .pagination-ellipsis {
            padding: 0 8px;
            color: var(--color-text-muted);
        }

