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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: solid;
            text-align: center;
            padding: 2rem 0;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgb(225, 86, 238);
        }

        header h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }

        header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgb(225, 86, 238);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgb(220, 21, 238);
        }

        .product-image {
            width: 100%;
            height: 200px;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            font-weight: bold;
        }

        .product-image img { max-width: 100%; max-height: 100%; object-fit: contain; }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .product-description {
            color: #666;
            margin-bottom: 1rem;
            line-height: 1.5;
        }

        
        .product-code {
            display: none;
            color: #999;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }
        body.show-codes .product-code { display: block; }

        .product-price {
            font-size: 1.5rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 1rem;
        }

        .product-features { list-style: none; margin-bottom: 1rem; }
        .product-features li { padding: 0.3rem 0; color: #555; }
        .product-features li:before { content: "✓ "; color: #4CAF50; font-weight: bold; }

        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 0.8rem 1.5rem;
            text-decoration: none;
            border-radius: 5px;
            transition: background 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn:hover { background: linear-gradient(135deg, #764ba2 0%, #667eea 100%); }

        .categories { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }
        .category-btn { background: white; border: 2px solid #667eea; color: #667eea; padding: 0.5rem 1rem; border-radius: 25px; cursor: pointer; transition: all 0.3s ease; }
        .category-btn:hover, .category-btn.active { background: #667eea; color: white; }

        footer { text-align: center; padding: 2rem 0; background: #333; color: white; border-radius: 10px; margin-top: 2rem; }

        @media (max-width: 768px) {
            .container { padding: 10px; }
            header h1 { font-size: 2rem; }
            .products-grid { grid-template-columns: 1fr; gap: 1rem; }
        }