/* Sidebar Styles */
 
        .sidebar-section {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 24px;
            overflow: hidden;
        }

        .sidebar-header {
            background: #1dc3ff !important;
            color: white;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 18px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .sidebar-content {
            padding: 8px 0;
        }

        .category-item {
            padding: 14px 20px;
            border-bottom: 1px solid #f0f0f0;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            font-size: 18px;
            text-transform: uppercase;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }

        .category-item:last-child {
            border-bottom: none;
        }

        .category-item:hover {
            background: var(--hover-bg);
            padding-left: 28px;
            color: #1dc3ff;
        }

        .category-item.active {
            background: var(--secondary-color);
            color: #1dc3ff;
            font-weight: 700;
        }

        .category-item.has-submenu::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 10px;
            margin-left: auto;
            transition: transform 0.3s;
        }

        .category-item.has-submenu.open::after {
            transform: rotate(180deg);
        }

        .subcategory-list {
            background: #fafafa;
            display: none;
        }

        .subcategory-list.show {
            display: block;
        }

        .subcategory-item {
            padding: 10px 20px 10px 40px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.3s;
            border-left: 3px solid transparent;
        }

        .subcategory-item:hover {
            background: white;
            border-left-color: #1dc3ff;
            padding-left: 43px;
        }

        /* Support Box */
        .support-box {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        .support-header {
            background:#1dc3ff;
            color: white;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 18px;
            text-transform: uppercase;
        }

        .support-content {
            padding: 24px 20px;
        }

        .support-name {
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 16px;
        }

        .support-phone {
            font-size: 22px;
            font-weight: 700;
            color: #1dc3ff;
            margin-bottom: 16px;
        }

        .support-info {
            font-size: 16px;
            color: #666;
            margin-bottom: 4px;
        }

        .support-time {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .support-buttons {
            display: flex;
            gap: 10px;
        }

        .btn-zalo {
            background: #1dc3ff;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 16px;
            flex: 1;
            transition: all 0.3s;
        }

        .btn-zalo:hover {
            background: #1f2b6e;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(45,62,158,0.3);
        }

        .btn-call {
            background: white;
            color: #1dc3ff;
            border: 2px solid #1dc3ff;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 16px;
            flex: 1;
            transition: all 0.3s;
        }

        .btn-call:hover {
            background: #1dc3ff;
            color: white;
            transform: translateY(-2px);
        }

        /* Sort Box */
        .sort-bar {
            background: white;
            border-radius: 8px;
            padding: 20px 24px;
            margin-bottom: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .result-info {
            font-size: 16px;
            color: #666;
        }

        .sort-control {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sort-control label {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            white-space: nowrap;
        }

        .sort-control select {
            min-width: 200px;
            padding: 10px 16px;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

        .sort-control select:focus {
            border-color: #1dc3ff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(45,62,158,0.1);
        }

        /* Product Card */
        .product-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
            height: 100%;
        }

        .product-item:hover {
            box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            transform: translateY(-8px);
            border-color: #1dc3ff;
        }

        .product-image {
            position: relative;
            overflow: hidden;
            padding-top: 100%;
            background: #f8f8f8;
        }

        .product-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

        .product-item:hover .product-image img {
            transform: scale(1.1);
        }

        .product-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: #ff4444;
            color: white;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            z-index: 1;
        }

        .product-details {
            padding: 20px;
        }

        .product-rating {
            margin-bottom: 12px;
            font-size: 14px;
        }

        .product-rating .fa-star {
            color: #ffc107;
            font-size: 14px;
        }

        .product-rating span {
            color: #666;
            margin-left: 4px;
        }

        .product-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
            line-height: 1.4;
            min-height: 42px;
        }

        .product-title:hover {
            color: #1dc3ff;
        }

        .product-price {
            font-size: 22px;
            font-weight: 700;
            color: #1dc3ff;
            margin-bottom: 16px;
        }

        .btn-add-cart {
            width: 100%;
            padding: 12px;
            background: #1dc3ff;
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-add-cart:hover {
            background: #1f2b6e;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(45,62,158,0.3);
        }

        /* Pagination */
        .pagination-wrapper {
            margin-top: 48px;
            display: flex;
            justify-content: center;
        }

        .pagination {
            gap: 8px;
        }

        .pagination .page-item .page-link {
            border: 2px solid var(--border-color);
            color: var(--text-dark);
            padding: 10px 16px;
            border-radius: 6px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .pagination .page-item .page-link:hover {
            background: #1dc3ff;
            color: white;
            border-color: #1dc3ff;
            transform: translateY(-2px);
        }

        .pagination .page-item.active .page-link {
            background: #1dc3ff;
            border-color: #1dc3ff;
            
        }

        .pagination .page-item.disabled .page-link {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Newsletter */
        .newsletter {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1f2b6e 100%);
            border-radius: 16px;
            padding: 60px 0;
            margin: 60px 0;
        }

        .newsletter h1 {
            font-weight: 700;
            margin-bottom: 16px;
        }

        .newsletter .fw-light {
            font-weight: 300 !important;
            color: rgba(255,255,255,0.9) !important;
        }

        .newsletter input {
            border: none;
            border-radius: 8px;
            padding: 16px 24px;
            font-size: 16px;
        }

        .newsletter button {
            background: white;
            border-radius: 8px;
            padding: 12px 20px;
            transition: all 0.3s;
        }

        .newsletter button:hover {
            transform: scale(1.1);
        }

        .newsletter button i {
            color: var(--primary-color) !important;
        }

        /* Mobile Responsive */
        @media (max-width: 991px) {
            .sidebar-section {
                margin-bottom: 16px;
            }

            .sort-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .sort-control {
                flex-direction: column;
                align-items: stretch;
            }

            .sort-control select {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .product-details {
                padding: 16px;
            }

            .product-price {
                font-size: 18px;
            }

            .support-buttons {
                flex-direction: column;
            }
        }

        /* Sticky Sidebar */
        @media (min-width: 992px) {
            .sticky-sidebar {
                position: sticky;
                top: 20px;
            }
        }