* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8fafc;
        }

        /* Header & Navigation */
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: opacity 0.3s;
        }

        .nav-links a:hover {
            opacity: 0.8;
        }

        .cart-icon {
            position: relative;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
            transition: background 0.3s;
        }

        .cart-icon:hover {
            background: rgba(255,255,255,0.3);
        }

        .cart-count {
            position: absolute;
            top: -5px;
            right: -5px;
            background: #ff4757;
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .mobile-menu {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 4rem 1rem;
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            opacity: 0;
            animation: fadeInUp 1s ease forwards;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0;
            animation: fadeInUp 1s ease 0.3s forwards;
        }

        .cta-button {
            display: inline-block;
            padding: 1rem 2rem;
            background: #ff6b6b;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s;
            opacity: 0;
            animation: fadeInUp 1s ease 0.6s forwards;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(255,107,107,0.3);
        }

        /* Main Content */
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
        }

        /* Search & Filter */
        .search-filter {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }

        .search-bar {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .search-input:focus {
            outline: none;
            border-color: #667eea;
        }

        .search-btn {
            padding: 0.75rem 1.5rem;
            background: #667eea;
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: background 0.3s;
        }

        .search-btn:hover {
            background: #5a67d8;
        }

        .filters {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .filter-select {
            padding: 0.5rem;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            background: white;
        }

        /* Products Grid */
        .products-section {
            margin: 3rem 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #2d3748;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            margin: 1rem auto;
            border-radius: 2px;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s;
            overflow: hidden;
            position: relative;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .product-image {
            width: 100%;
            height: 250px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .product-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: #ff4757;
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #2d3748;
        }

        .product-description {
            color: #718096;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }

        .product-price {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .price {
            font-size: 1.5rem;
            font-weight: bold;
            color: #667eea;
        }

        .original-price {
            text-decoration: line-through;
            color: #a0aec0;
            font-size: 1rem;
        }

        .product-actions {
            display: flex;
            gap: 0.5rem;
        }

        .add-to-cart {
            flex: 1;
            padding: 0.75rem;
            background: #667eea;
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }

        .add-to-cart:hover {
            background: #5a67d8;
            transform: scale(1.02);
        }

        .wishlist-btn {
            padding: 0.75rem;
            background: #f7fafc;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            color: #4a5568;
        }

        .wishlist-btn:hover {
            background: #fed7d7;
            border-color: #fc8181;
            color: #c53030;
        }

        .wishlist-btn.active {
            background: #fed7d7;
            border-color: #fc8181;
            color: #c53030;
        }

        /* Cart Sidebar */
        .cart-sidebar {
            position: fixed;
            top: 0;
            right: -400px;
            width: 400px;
            height: 100vh;
            background: white;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            z-index: 1000;
            overflow-y: auto;
        }

        .cart-sidebar.open {
            right: 0;
        }

        .cart-header {
            padding: 2rem;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #f8fafc;
        }

        .close-cart {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #4a5568;
        }

        .cart-items {
            padding: 1rem;
        }

        .cart-item {
            display: flex;
            align-items: center;
            padding: 1rem;
            border-bottom: 1px solid #e2e8f0;
            gap: 1rem;
        }

        .cart-item-image {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }

        .cart-item-info {
            flex: 1;
        }

        .cart-item-title {
            font-weight: bold;
            margin-bottom: 0.25rem;
        }

        .cart-item-price {
            color: #667eea;
            font-weight: bold;
        }

        .quantity-controls {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }

        .quantity-btn {
            width: 30px;
            height: 30px;
            border: 1px solid #e2e8f0;
            background: white;
            border-radius: 5px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .quantity {
            padding: 0.25rem 0.75rem;
            border: 1px solid #e2e8f0;
            border-radius: 5px;
            text-align: center;
            width: 60px;
        }

        .remove-item {
            background: #fed7d7;
            color: #c53030;
            border: none;
            padding: 0.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 0.8rem;
        }

        .cart-total {
            padding: 2rem;
            border-top: 2px solid #e2e8f0;
            background: #f8fafc;
        }

        .total-amount {
            font-size: 1.5rem;
            font-weight: bold;
            color: #2d3748;
            margin-bottom: 1rem;
        }

        .checkout-btn {
            width: 100%;
            padding: 1rem;
            background: #48bb78;
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }

        .checkout-btn:hover {
            background: #38a169;
        }

        /* Overlay */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }

        .overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Notifications */
        .notification {
            position: fixed;
            top: 100px;
            right: 20px;
            background: #48bb78;
            color: white;
            padding: 1rem 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            transform: translateX(400px);
            transition: transform 0.3s ease;
            z-index: 1001;
        }

        .notification.show {
            transform: translateX(0);
        }

        /* Footer */
        footer {
            background: #2d3748;
            color: white;
            text-align: center;
            padding: 3rem 1rem;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: block;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .search-bar {
                flex-direction: column;
            }

            .filters {
                justify-content: center;
            }

            .products-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 1rem;
            }

            .cart-sidebar {
                width: 100%;
                right: -100%;
            }

            .section-title {
                font-size: 2rem;
            }

            main {
                padding: 1rem;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 2rem 1rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .products-grid {
                grid-template-columns: 1fr;
            }

            .search-filter {
                padding: 1rem;
            }
        }

        /* Loading Animation */
        .loading {
            display: none;
            text-align: center;
            padding: 2rem;
        }

        .spinner {
            border: 4px solid #f3f3f3;
            border-top: 4px solid #667eea;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }