/* ===== PREMIUM HERO SECTION ===== */
    .shop-hero {
        background: linear-gradient(135deg, #0e7490 0%, #0891b2 50%, #06b6d4 100%);
        color: white;
        padding: 4rem 0;
        margin-top: -1.5rem;
        position: relative;
        overflow: hidden;
    }

    .shop-hero::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
        pointer-events: none;
    }

    .shop-hero::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
        pointer-events: none;
    }

    .hero-content {
        position: relative;
        z-index: 1;
    }

    .hero-tagline {
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 3px;
        opacity: 0.9;
        margin-bottom: 0.75rem;
        display: inline-block;
        padding: 0.4rem 1rem;
        background: rgba(255,255,255,0.15);
        border-radius: 50px;
    }

    .hero-title {
        font-size: 3rem;
        font-weight: 800;
        line-height: 1.1;
        margin-bottom: 1rem;
        text-shadow: 0 2px 10px rgba(0,0,0,0.1);
        color: white !important;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        opacity: 0.95;
        max-width: 500px;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        color: rgba(255, 255, 255, 0.95) !important;
    }

    .hero-stats {
        display: flex;
        gap: 2.5rem;
        margin-top: 2rem;
        flex-wrap: wrap;
    }

    .hero-stat {
        text-align: center;
    }

    .hero-stat-number {
        font-size: 2rem;
        font-weight: 800;
        display: block;
        color: white !important;
    }

    .hero-stat-label {
        font-size: 0.85rem;
        opacity: 0.85;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: rgba(255, 255, 255, 0.85) !important;
    }

    .hero-tagline {
        color: white !important;
    }

    .hero-cta-group {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .hero-btn-primary {
        background: white;
        color: var(--shop-primary);
        padding: 0.9rem 2rem;
        border-radius: 50px;
        font-weight: 600;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    }

    .hero-btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        color: var(--shop-primary-dark);
    }

    .hero-btn-secondary {
        background: rgba(255,255,255,0.15);
        color: white;
        padding: 0.9rem 2rem;
        border-radius: 50px;
        font-weight: 600;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
        border: 2px solid rgba(255,255,255,0.3);
    }

    .hero-btn-secondary:hover {
        background: rgba(255,255,255,0.25);
        border-color: rgba(255,255,255,0.5);
        color: white;
    }

    .hero-image-wrapper {
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .hero-glasses-icon {
        font-size: 12rem;
        opacity: 0.15;
        position: absolute;
        transform: rotate(-10deg);
    }

    @media (max-width: 992px) {
        .hero-title { font-size: 2.25rem; }
        .hero-stats { gap: 1.5rem; }
        .hero-stat-number { font-size: 1.5rem; }
        .shop-hero { padding: 3rem 0; }
    }

    @media (max-width: 576px) {
        .hero-title { font-size: 1.75rem; }
        .hero-subtitle { font-size: 1rem; }
        .hero-cta-group { flex-direction: column; width: 100%; }
        .hero-btn-primary, .hero-btn-secondary { justify-content: center; }
    }
    
    .shop-container { padding: 2rem 0; }
    .shop-container .row { align-items: flex-start; }
    
    .filter-sidebar {
        position: sticky;
        top: 80px;
        background: var(--bg-surface);
        border-radius: 12px;
        padding: 1.5rem;
        border: 1px solid var(--border-color);
    }
    
    .filter-title {
        font-weight: 600;
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid var(--shop-primary);
    }
    
    .filter-group { margin-bottom: 1.5rem; }
    .filter-group h6 { font-size: 0.9rem; margin-bottom: 0.75rem; color: var(--text-muted); }
    
    .filter-link {
        display: block;
        padding: 0.4rem 0;
        color: var(--text-primary);
        text-decoration: none;
        transition: color 0.2s;
    }
    
    .filter-link:hover, .filter-link.active { color: var(--shop-primary); }
    .filter-link.active { font-weight: 600; }

    .filter-chip {
        display: inline-flex;
        align-items: center;
        padding: 0.3rem 0.75rem;
        background: var(--shop-primary);
        color: white;
        border-radius: 50px;
        font-size: 0.8rem;
        text-decoration: none;
        transition: all 0.2s ease;
        white-space: nowrap;
    }
    
    .filter-chip:hover {
        background: var(--shop-primary-dark);
        color: white;
        transform: translateY(-1px);
    }
    
    .filter-chip-clear {
        background: transparent;
        color: var(--text-muted);
        border: 1px dashed var(--border-color);
    }
    
    .filter-chip-clear:hover {
        background: #dc3545;
        color: white;
        border-color: #dc3545;
    }

    .active-filters-bar {
        padding: 0.5rem 0;
    }
    
    .product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1.5rem;
    }
    
    .product-card {
        background: var(--bg-surface);
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid var(--border-color);
        transition: transform 0.3s, box-shadow 0.3s;
        display: block;
        text-decoration: none;
        color: inherit;
    }
    
    .product-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    }
    
    .product-image {
        aspect-ratio: 4/3;
        background: var(--bg-body);
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        position: relative;
    }
    
    .product-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 0.5rem;
    }
    
    .product-image .placeholder-icon,
    .product-image .placeholder { font-size: 3rem; color: var(--text-muted); opacity: 0.3; }
    
    .product-badges {
        position: absolute;
        top: 1rem;
        left: 1rem;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        z-index: 2;
    }

    .badge-new { background: var(--shop-primary); color: white; }
    .badge-sale { background: #ef4444; color: white; }
    .badge-featured { background: #f59e0b; color: white; }
    .badge-custom { background: #10b981; color: white; }

    .badge-tryon {
        background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
        color: white;
        padding: 4px 10px;
        border-radius: 6px;
        font-size: 0.7rem;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 2px;
        box-shadow: 0 2px 4px rgba(139, 92, 246, 0.3);
    }

    .badge-promo {
        padding: 4px 10px;
        border-radius: 6px;
        font-size: 0.7rem;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 2px;
        animation: promo-pulse 2s infinite;
    }

    @keyframes promo-pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.85; }
    }

    /* Promotion Banner */
    .promo-banner-section {
        margin-bottom: 1.5rem;
    }

    .promo-banner {
        background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
        color: white;
        padding: 1rem 1.5rem;
        border-radius: 12px;
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-bottom: 0.75rem;
        position: relative;
        overflow: hidden;
        transition: transform 0.2s;
    }

    .promo-banner:hover {
        transform: translateY(-2px);
    }

    .promo-banner::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
        pointer-events: none;
    }

    .promo-banner-icon {
        font-size: 1.5rem;
        flex-shrink: 0;
    }

    .promo-banner-content {
        flex: 1;
        z-index: 1;
    }

    .promo-banner-title {
        font-weight: 700;
        font-size: 1rem;
        margin-bottom: 0.15rem;
    }

    .promo-banner-desc {
        font-size: 0.85rem;
        opacity: 0.9;
    }

    .promo-banner-code {
        background: rgba(255,255,255,0.2);
        padding: 0.35rem 0.75rem;
        border-radius: 6px;
        font-weight: 600;
        font-size: 0.85rem;
        letter-spacing: 1px;
        flex-shrink: 0;
        z-index: 1;
    }

    .promo-banner-expiry {
        font-size: 0.75rem;
        opacity: 0.8;
        z-index: 1;
        flex-shrink: 0;
    }

    /* Sold Out */
    .product-card.sold-out .product-image img {
        opacity: 0.5;
        filter: grayscale(40%);
    }

    .sold-out-overlay {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(0, 0, 0, 0.7);
        color: white;
        padding: 6px 16px;
        border-radius: 6px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        z-index: 2;
        pointer-events: none;
    }

    .add-cart-btn.sold-out-btn {
        opacity: 0.4;
        cursor: not-allowed;
        background: var(--bg-hover);
        color: var(--text-muted);
    }

    .product-badges span {
        padding: 0.25rem 0.75rem;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
    }
    
    .product-info { padding: 1.25rem; }
    .product-brand { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
    .product-name { font-weight: 600; margin: 0.5rem 0; font-size: 1.05rem; color: var(--text-primary); }
    .product-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    
    .product-footer { display: flex; justify-content: space-between; align-items: center; }
    
    .product-price {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--shop-primary);
    }

    .product-price .original {
        font-size: 0.9rem;
        color: var(--text-muted);
        text-decoration: line-through;
        margin-left: 0.5rem;
        font-weight: 400;
    }

    .add-cart-btn {
        background: var(--shop-primary);
        color: white;
        border: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
    }

    .add-cart-btn:hover {
        background: var(--shop-primary-dark);
        transform: scale(1.1);
    }
    
    .stock-badge {
        display: inline-block;
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
    }
    
    .stock-available { background: #dcfce7; color: #166534; }
    .stock-out { background: #fee2e2; color: #991b1b; }
    
    .cart-badge {
        position: absolute;
        top: -8px;
        right: -8px;
        background: var(--shop-primary);
        color: white;
        border-radius: 50%;
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .search-box {
        position: relative;
        max-width: 400px;
    }
    
    .search-box input {
        padding-left: 2.5rem;
        border-radius: 25px;
    }
    
    .search-box i {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
    }
    
    .sort-select {
        border-radius: 8px;
        padding: 0.5rem 1rem;
        border: 1px solid var(--border-color);
        background: var(--bg-surface);
        color: var(--text-primary);
    }
    
    .pagination-custom .page-link {
        border-radius: 8px;
        margin: 0 0.25rem;
        border: none;
        color: var(--text-primary);
    }
    
    .pagination-custom .page-item.active .page-link {
        background: var(--shop-primary);
        color: white;
    }
    
    /* Quick View Button */
    .quick-view-btn {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: rgba(255,255,255,0.9);
        color: var(--shop-primary);
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
        opacity: 0;
        transform: translateY(-10px);
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    
    .product-card:hover .quick-view-btn {
        opacity: 1;
        transform: translateY(0);
    }
    
    .quick-view-btn:hover {
        background: var(--shop-primary);
        color: white;
        transform: scale(1.1);
    }
    
    /* Compare Checkbox */
    .compare-checkbox {
        position: absolute;
        top: 3.5rem;
        right: 1rem;
        background: rgba(255,255,255,0.9);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
        opacity: 0;
        transform: translateY(-10px);
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    
    .product-card:hover .compare-checkbox {
        opacity: 1;
        transform: translateY(0);
    }
    
    .compare-checkbox .compare-input {
        display: none;
    }
    
    .compare-checkbox .compare-icon {
        color: var(--shop-primary);
        font-size: 1rem;
        transition: all 0.3s;
    }
    
    .compare-checkbox:hover {
        background: var(--shop-primary);
    }
    
    .compare-checkbox:hover .compare-icon {
        color: white;
    }
    
    .compare-checkbox.active {
        background: var(--shop-primary);
        opacity: 1;
        transform: translateY(0);
    }
    
    .compare-checkbox.active .compare-icon {
        color: white;
    }
    
    /* Floating Compare Bar */
    .compare-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
        padding: 1rem;
        z-index: 1050;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    
    .compare-bar.show {
        transform: translateY(0);
    }
    
    .compare-bar-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 1200px;
        margin: 0 auto;
        gap: 1rem;
    }
    
    .compare-items {
        display: flex;
        gap: 1rem;
        flex: 1;
        overflow-x: auto;
    }
    
    .compare-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        background: var(--bg-body);
        padding: 0.5rem 1rem;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        min-width: max-content;
    }
    
    .compare-item img {
        width: 40px;
        height: 40px;
        object-fit: cover;
        border-radius: 4px;
    }
    
    .compare-item-placeholder {
        width: 40px;
        height: 40px;
        background: var(--border-color);
        border-radius: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
    }
    
    .compare-item-name {
        font-weight: 500;
        font-size: 0.9rem;
        max-width: 150px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .compare-item-remove {
        background: transparent;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        padding: 0.25rem;
        transition: color 0.2s;
    }
    
    .compare-item-remove:hover {
        color: #ef4444;
    }
    
    .compare-bar-actions {
        display: flex;
        gap: 0.75rem;
        flex-shrink: 0;
    }
    
    .compare-btn {
        background: var(--shop-primary);
        color: white;
        border: none;
        padding: 0.75rem 1.5rem;
        border-radius: 25px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
    }
    
    .compare-btn:hover {
        background: var(--shop-primary-dark);
        color: white;
    }
    
    .compare-clear-btn {
        background: transparent;
        color: var(--text-muted);
        border: 1px solid var(--border-color);
        padding: 0.75rem 1rem;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .compare-clear-btn:hover {
        border-color: #ef4444;
        color: #ef4444;
    }
    
    .compare-count {
        background: white;
        color: var(--shop-primary);
        border-radius: 50%;
        width: 22px;
        height: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        font-weight: 700;
    }
    
    @media (max-width: 768px) {
        .compare-bar-content {
            flex-direction: column;
            align-items: stretch;
        }
        
        .compare-items {
            justify-content: center;
        }
        
        .compare-bar-actions {
            justify-content: center;
        }
    }
    
    /* Quick View Modal */
    .quick-view-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.6);
        z-index: 9999;
        justify-content: center;
        align-items: center;
        padding: 1rem;
    }
    
    .quick-view-modal.show { display: flex; }
    
    .quick-view-content {
        background: var(--bg-surface);
        border-radius: 16px;
        max-width: 800px;
        width: 100%;
        max-height: 90vh;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        animation: quickViewIn 0.3s ease;
    }
    
    @keyframes quickViewIn {
        from { opacity: 0; transform: scale(0.9); }
        to { opacity: 1; transform: scale(1); }
    }
    
    .quick-view-header {
        display: flex;
        justify-content: flex-end;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .quick-view-close {
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--text-muted);
        cursor: pointer;
        padding: 0.25rem;
        line-height: 1;
    }
    
    .quick-view-close:hover { color: var(--text-primary); }
    
    .quick-view-body {
        display: flex;
        flex-direction: row;
        overflow: auto;
        padding: 1.5rem;
        gap: 2rem;
    }
    
    .quick-view-image {
        flex: 0 0 45%;
        aspect-ratio: 1;
        background: var(--bg-body);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }
    
    .quick-view-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .quick-view-image .placeholder-icon {
        font-size: 5rem;
        color: var(--text-muted);
        opacity: 0.3;
    }
    
    .quick-view-details { flex: 1; }
    
    .quick-view-brand {
        font-size: 0.85rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .quick-view-name {
        font-size: 1.5rem;
        font-weight: 700;
        margin: 0.5rem 0 1rem;
        color: var(--text-primary);
    }
    
    .quick-view-price {
        font-size: 1.75rem;
        font-weight: 700;
        color: var(--shop-primary);
        margin-bottom: 1rem;
    }
    
    .quick-view-description {
        color: var(--text-muted);
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }
    
    .quick-view-category {
        display: inline-block;
        padding: 0.25rem 0.75rem;
        background: var(--bg-body);
        border-radius: 50px;
        font-size: 0.8rem;
        color: var(--text-muted);
        margin-bottom: 1rem;
    }
    
    .quick-view-actions {
        display: flex;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .quick-view-actions .btn-cart {
        background: var(--shop-primary);
        color: white;
        border: none;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.3s;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .quick-view-actions .btn-cart:hover { background: var(--shop-primary-dark); }
    
    .quick-view-actions .btn-details {
        background: transparent;
        color: var(--shop-primary);
        border: 2px solid var(--shop-primary);
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .quick-view-actions .btn-details:hover {
        background: var(--shop-primary);
        color: white;
    }
    
    .quick-view-loading {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 4rem;
    }
    
    @media (max-width: 768px) {
        .quick-view-body { flex-direction: column; }
        .quick-view-image { flex: none; aspect-ratio: 4/3; }
    }
    
    /* Gender Tabs */
    .gender-tabs {
        display: flex;
        gap: 0.5rem;
        background: var(--bg-surface);
        padding: 0.5rem;
        border-radius: 50px;
        border: 1px solid var(--border-color);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .gender-tab {
        padding: 0.6rem 1.5rem;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 500;
        color: var(--text-primary);
        transition: all 0.3s;
        border: none;
        background: transparent;
    }
    
    .gender-tab:hover {
        background: rgba(8, 145, 178, 0.1);
        color: var(--shop-primary);
    }
    
    .gender-tab.active {
        background: var(--shop-primary);
        color: white;
    }
    
    /* Face Shape Cards */
    .face-shape-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .face-shape-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 1rem 0.5rem;
        background: var(--bg-body);
        border: 2px solid var(--border-color);
        border-radius: 12px;
        text-decoration: none;
        color: var(--text-primary);
        transition: all 0.3s;
        cursor: pointer;
        position: relative;
    }
    
    .face-shape-card:hover {
        border-color: var(--shop-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(8, 145, 178, 0.15);
    }
    
    .face-shape-card.active {
        border-color: var(--shop-primary);
        background: rgba(8, 145, 178, 0.08);
    }
    
    .face-shape-icon {
        font-size: 1.75rem;
        margin-bottom: 0.5rem;
        color: var(--shop-primary);
    }
    
    .face-shape-name {
        font-size: 0.8rem;
        font-weight: 500;
        text-align: center;
    }
    
    .face-shape-tooltip {
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        background: #1f2937;
        color: white;
        padding: 0.5rem 0.75rem;
        border-radius: 6px;
        font-size: 0.75rem;
        white-space: nowrap;
        opacity: 0;
        visibility: hidden;
        transition: all 0.2s;
        z-index: 10;
        margin-bottom: 8px;
    }
    
    .face-shape-card:hover .face-shape-tooltip {
        opacity: 1;
        visibility: visible;
    }
    
    /* Style Tags */
    .style-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .style-tag {
        display: inline-flex;
        align-items: center;
        padding: 0.4rem 0.9rem;
        background: var(--bg-body);
        border: 1px solid var(--border-color);
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 500;
        color: var(--text-primary);
        text-decoration: none;
        transition: all 0.3s;
    }
    
    .style-tag:hover {
        border-color: var(--shop-primary);
        color: var(--shop-primary);
        background: rgba(8, 145, 178, 0.08);
    }
    
    .style-tag.active {
        background: var(--shop-primary);
        border-color: var(--shop-primary);
        color: white;
    }
    
    /* Frame Size Buttons */
    .frame-size-buttons {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .frame-size-btn {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-body);
        border: 2px solid var(--border-color);
        border-radius: 8px;
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--text-primary);
        text-decoration: none;
        transition: all 0.3s;
    }
    
    .frame-size-btn:hover {
        border-color: var(--shop-primary);
        color: var(--shop-primary);
    }
    
    .frame-size-btn.active {
        background: var(--shop-primary);
        border-color: var(--shop-primary);
        color: white;
    }
    
    /* Frame Shape Cards */
    .frame-shape-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .frame-shape-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.75rem 0.25rem;
        background: var(--bg-body);
        border: 2px solid var(--border-color);
        border-radius: 10px;
        text-decoration: none;
        color: var(--text-primary);
        transition: all 0.3s;
        cursor: pointer;
    }
    
    .frame-shape-card:hover {
        border-color: var(--shop-primary);
        transform: translateY(-2px);
    }
    
    .frame-shape-card.active {
        border-color: var(--shop-primary);
        background: rgba(8, 145, 178, 0.08);
    }
    
    .frame-shape-icon {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
        color: var(--shop-primary);
    }
    
    .frame-shape-name {
       font-size: 0.65rem;
       font-weight: 500;
       text-align: center;
    }

    /* Mobile Filter Toggle */
    .mobile-filter-toggle {
       display: none;
       width: 100%;
       padding: 0.75rem 1rem;
       background: var(--bg-surface);
       border: 1px solid var(--border-color);
       border-radius: 10px;
       font-weight: 600;
       color: var(--text-primary);
       cursor: pointer;
       align-items: center;
       justify-content: center;
       gap: 0.5rem;
       margin-bottom: 1rem;
       transition: all 0.2s;
    }

    .mobile-filter-toggle:hover {
       border-color: var(--shop-primary);
       color: var(--shop-primary);
    }

    .mobile-filter-toggle .filter-count-badge {
       background: var(--shop-primary);
       color: white;
       padding: 0.1rem 0.5rem;
       border-radius: 50px;
       font-size: 0.75rem;
       margin-left: 0.25rem;
    }

    @media (max-width: 991px) {
       .mobile-filter-toggle {
           display: flex;
       }

       #filterSidebar {
           position: fixed;
           top: 0;
           left: 0;
           width: 85%;
           max-width: 360px;
           height: 100vh;
           z-index: 9998;
           background: var(--bg-surface);
           overflow-y: auto;
           transform: translateX(-100%);
           transition: transform 0.3s ease;
           padding: 1rem;
           margin: 0;
           box-shadow: 5px 0 25px rgba(0,0,0,0.2);
       }

       .filter-sidebar {
           position: static;
           max-height: none;
           overflow-y: visible;
       }

       #filterSidebar.show {
           transform: translateX(0);
       }

       .filter-sidebar-overlay {
           position: fixed;
           top: 0;
           left: 0;
           right: 0;
           bottom: 0;
           background: rgba(0,0,0,0.5);
           z-index: 9997;
           display: none;
       }

       .filter-sidebar-overlay.show {
           display: block;
       }

       .mobile-filter-header {
           display: flex;
           justify-content: space-between;
           align-items: center;
           padding-bottom: 1rem;
           margin-bottom: 1rem;
           border-bottom: 2px solid var(--shop-primary);
       }

       .mobile-filter-close {
           background: none;
           border: none;
           font-size: 1.5rem;
           color: var(--text-muted);
           cursor: pointer;
           padding: 0.25rem;
           line-height: 1;
       }

       .mobile-filter-close:hover {
           color: var(--text-primary);
       }
    }

    @media (min-width: 992px) {
       .mobile-filter-header {
           display: none;
       }
    }