/* ============================================ */
        /* RESET & BASE STYLES */
        /* ============================================ */
        * {
            -webkit-tap-highlight-color: transparent;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0a0a0a;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        /* Custom scrollbar */
        ::-webkit-scrollbar { 
            width: 4px; 
            height: 4px; 
        }
        ::-webkit-scrollbar-track { 
            background: #1a1a1a; 
        }
        ::-webkit-scrollbar-thumb { 
            background: #f97316; 
            border-radius: 10px; 
        }
        
        /* ============================================ */
        /* BACKGROUND & OVERLAY EFFECTS */
        /* ============================================ */
        .app-bg {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 0;
            background: 
                linear-gradient(180deg, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.85) 100%),
                url('image/9474721.jpg') center/cover fixed;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        .app-bg::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle at 70% 30%, rgba(249, 115, 22, 0.03) 0%, transparent 70%);
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        .app-bg::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -20%;
            width: 60%;
            height: 60%;
            background: radial-gradient(circle at 30% 70%, rgba(249, 115, 22, 0.02) 0%, transparent 70%);
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        .app-container {
            position: relative;
            z-index: 1;
            max-width: 1400px;
            margin: 0 auto;
            min-height: 100vh;
            padding-bottom: 100px;
        }
        
        .hide-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .hide-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        
        /* ============================================ */
        /* ANIMATIONS */
        /* ============================================ */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translate(-50%, -20px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translate(-50%, 0) scale(1);
            }
        }
        
        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }
        
        @keyframes fullImageFadeIn { 
            to { opacity: 1; } 
        }
        
        .animate-fade-in {
            animation: fadeIn 0.3s ease-out;
        }
        
        .badge-pulse {
            animation: pulse 2s infinite;
        }
        
        /* ============================================ */
        /* SKELETON LOADING */
        /* ============================================ */
        .shimmer {
            background: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: 16px;
        }
        
        /* ============================================ */
        /* GLASS MORPHISM COMPONENTS */
        /* ============================================ */
        .product-card {
            background: rgba(26, 26, 26, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.2s ease;
            border-radius: 16px;
            overflow: hidden;
            will-change: transform;
        }
        
        .product-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(249, 115, 22, 0.15);
            border-color: rgba(249, 115, 22, 0.2);
        }
        
        .product-card:active {
            transform: scale(0.98);
            transition-duration: 0.1s;
        }
        
        .product-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: #1a1a1a;
            transition: transform 0.3s ease;
        }
        
        .product-card:hover img {
            transform: scale(1.02);
        }
        
        .float-cart-btn {
            background: rgba(26, 26, 26, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            will-change: transform;
        }
        
        .float-cart-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(249, 115, 22, 0.25);
        }
        
        .float-cart-btn:active {
            transform: scale(0.95);
            transition-duration: 0.1s;
        }
        
        .wa-btn {
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.15);
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            backdrop-filter: blur(4px);
            will-change: transform;
        }
        
        .wa-btn:hover {
            background: rgba(34, 197, 94, 0.2);
            border-color: rgba(34, 197, 94, 0.3);
            transform: translateY(-1px);
        }
        
        .wa-btn:active {
            transform: scale(0.97);
            transition-duration: 0.1s;
        }
        
        .app-header {
            background: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: sticky;
            top: 0;
            z-index: 30;
            transition: box-shadow 0.3s ease;
        }
        
        .hero-glass {
            background: rgba(249, 115, 22, 0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(249, 115, 22, 0.1);
            border-radius: 16px;
            transition: transform 0.3s ease;
        }
        
        .modal-glass {
            background: rgba(20, 20, 20, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
        }
        
        .cart-item-glass {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            backdrop-filter: blur(4px);
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }
        
        .cart-item-glass:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(249, 115, 22, 0.15);
            transform: translateX(2px);
        }
        
        .search-glass {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.25s ease;
        }
        
        .search-glass:focus {
            border-color: rgba(249, 115, 22, 0.4);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
            outline: none;
        }
        
        .qty-glass {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.2s ease;
        }
        
        .qty-glass button:hover {
            background: rgba(249, 115, 22, 0.1);
        }
        
        .toast-glass {
            background: rgba(20, 20, 20, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        
        /* ============================================ */
        /* MODAL ANIMATIONS */
        /* ============================================ */
        .modal-overlay {
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .modal-overlay.active {
            opacity: 1;
        }
        
        .modal-content {
            transform: translateY(100%);
            opacity: 0;
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
        }
        
        .modal-content.active {
            transform: translateY(0);
            opacity: 1;
        }
        
        /* ============================================ */
        /* FILTER BUTTONS */
        /* ============================================ */
        .filter-btn {
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .filter-active {
            background: #f97316 !important;
            color: white !important;
            box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
            transform: scale(1.05);
        }
        
        /* ============================================ */
        /* CATEGORY BADGE */
        /* ============================================ */
        .category-badge {
            background: rgba(249, 115, 22, 0.15);
            color: #f97316;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 9px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: background 0.2s ease;
        }
        
        /* ============================================ */
        /* EMPTY STATE */
        /* ============================================ */
        .empty-state-icon {
            background: rgba(255, 255, 255, 0.03);
            border: 2px dashed rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: transform 0.3s ease;
        }
        
        .empty-state-icon:hover {
            transform: scale(1.05);
        }
        
        /* ============================================ */
        /* SCROLL GRADIENT */
        /* ============================================ */
        .scroll-gradient {
            position: relative;
        }
        
        .scroll-gradient::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 40px;
            background: linear-gradient(to right, transparent, #0a0a0a);
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        /* ============================================ */
        /* IMAGE SLIDER */
        /* ============================================ */
        .slider-container {
            position: relative;
            width: 100%;
            background: #0a0a0a;
            border-radius: 12px;
            overflow: hidden;
        }
        
        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
        }
        
        .slider-btn:hover {
            background: rgba(249, 115, 22, 0.8);
            transform: translateY(-50%) scale(1.05);
        }
        
        .slider-btn:active {
            transform: translateY(-50%) scale(0.95);
            transition-duration: 0.1s;
        }
        
        .slider-btn.prev { left: 8px; }
        .slider-btn.next { right: 8px; }
        
        .slider-dots {
            position: absolute;
            bottom: 12px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 6px;
            z-index: 10;
        }
        
        .slider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            padding: 0;
        }
        
        .slider-dot:hover { background: rgba(255, 255, 255, 0.5); }
        
        .slider-dot.active {
            background: #f97316;
            width: 20px;
            border-radius: 3px;
        }
        
        .slider-counter {
            position: absolute;
            top: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            color: white;
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 10px;
            z-index: 10;
            transition: opacity 0.2s ease;
        }
        
        /* ============================================ */
        /* PRODUCT DETAIL */
        /* ============================================ */
        .product-detail p { 
            margin-bottom: 0.5rem; 
            line-height: 1.6; 
        }
        
        .product-detail ul { 
            margin: 0.5rem 0; 
            padding-left: 1rem; 
        }
        
        .product-detail ul li { 
            padding: 2px 0; 
            line-height: 1.5; 
        }
        
        /* ============================================ */
        /* FULL IMAGE OVERLAY */
        /* ============================================ */
        .full-image-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.95);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: zoom-out;
            padding: 20px;
            opacity: 0;
            animation: fullImageFadeIn 0.3s ease forwards;
        }
        
        .full-image-overlay img {
            max-width: 95vw;
            max-height: 95vh;
            object-fit: contain;
            border-radius: 8px;
            transition: transform 0.3s ease;
        }
        
        .full-image-overlay img:hover { 
            transform: scale(1.02); 
        }
        
        .full-image-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .full-image-close:hover {
            background: rgba(239, 68, 68, 0.8);
            transform: scale(1.05);
        }
        
        .full-image-close:active {
            transform: scale(0.95);
            transition-duration: 0.1s;
        }
        
        /* ============================================ */
        /* MODAL CLOSE BUTTON */
        /* ============================================ */
        .modal-close-btn {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            z-index: 60;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .modal-close-btn:hover {
            background: rgba(239, 68, 68, 0.8);
            border-color: rgba(239, 68, 68, 0.3);
            transform: scale(1.05);
        }
        
        .modal-close-btn:active {
            transform: scale(0.95);
            transition-duration: 0.1s;
        }
        
        /* ============================================ */
        /* SWIPE HANDLE */
        /* ============================================ */
        .swipe-handle {
            width: 40px;
            height: 4px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 2px;
            margin: 0 auto 16px;
        }
        
        /* ============================================ */
        /* GLOBAL BUTTON TRANSITIONS */
        /* ============================================ */
        button {
            will-change: transform;
        }
        
        button:not(:disabled):active {
            transform: scale(0.97);
            transition-duration: 0.1s;
        }
        
        /* ============================================ */
        /* PRODUCT GRID RESPONSIVE */
        /* ============================================ */
        .product-grid-responsive {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .pb-safe {
            padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
        }
        
        /* ============================================ */
        /* RESPONSIVE BREAKPOINTS */
        /* ============================================ */
        @media (min-width: 640px) {
            .product-card img { height: 180px; }
            .app-container { padding: 0 24px 100px; }
            .product-grid-responsive {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .slider-container { 
                aspect-ratio: 4/3; 
                border-radius: 12px; 
            }
            .slider-container img {
                width: 100%;
                height: 100%;
                object-fit: contain;
                transition: opacity 0.3s ease;
            }
        }
        
        @media (min-width: 768px) {
            .product-card img { height: 200px; }
            .float-cart-btn { bottom: 24px; left: 24px; }
        }
        
        @media (min-width: 1024px) {
            .app-container { 
                max-width: 1400px; 
                padding: 0 32px 100px; 
            }
            .product-card img { height: 220px; }
            .product-card:hover {
                transform: translateY(-4px);
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
            }
            .product-grid-responsive {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
            .slider-container { 
                aspect-ratio: 16/10; 
                border-radius: 16px; 
            }
        }
        
        @media (min-width: 1280px) {
            .product-card img { height: 240px; }
            .app-container { padding: 0 40px 100px; }
            .product-grid-responsive {
                grid-template-columns: repeat(5, 1fr);
                gap: 24px;
            }
        }
        
        @media (max-width: 639px) {
            .slider-container {
                border-radius: 12px;
                margin: 0;
                width: 100%;
            }
            .slider-container img {
                width: 100%;
                height: auto;
                max-height: 50vh;
                object-fit: contain;
                display: block;
                transition: opacity 0.3s ease;
            }
        }