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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

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

        /* Header Styles */
        .header {
            background: #10b981;
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .logo i {
            font-size: 2rem;
            color: white;
        }

        .search-container {
            flex: 1;
            max-width: 500px;
            position: relative;
        }

        .search-box {
            display: flex;
            background: white;
            border-radius: 25px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            outline: none;
            font-size: 1rem;
        }

        .search-btn {
            background: #60a5fa;
            border: none;
            padding: 12px 20px;
            color: white;
            cursor: pointer;
            transition: background 0.3s;
        }

        .search-btn:hover {
            background: #3b82f6;
        }

        .search-suggestions {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            z-index: 1000;
            display: none;
            max-height: 300px;
            overflow-y: auto;
        }

        .suggestion-item {
            padding: 12px 20px;
            cursor: pointer;
            border-bottom: 1px solid #eee;
            transition: background 0.2s;
        }

        .suggestion-item:hover {
            background: #f8f9fa;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .signin-btn {
            background: transparent;
            border: 2px solid white;
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
        }

        .signin-btn:hover {
            background: white;
            color: #10b981;
            transform: translateY(-1px);
        }

        .cart-btn {
            background: transparent;
            border: 2px solid white;
            color: white;
            padding: 10px 15px;
            border-radius: 25px;
            cursor: pointer;
            position: relative;
            transition: all 0.3s;
        }

        .cart-btn:hover {
            background: white;
            color: #10b981;
        }

        .cart-count {
            position: absolute;
            top: -8px;
            right: -8px;
            background: #ef4444;
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Main Content */
        .main {
            padding: 2rem 0;
        }

        .content-wrapper {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 2rem;
        }

        /* Sidebar Styles */
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            height: fit-content;
            position: sticky;
            top: 2rem;
        }

        .filter-section h3 {
            margin-bottom: 1.5rem;
            color: #10b981;
            font-size: 1.2rem;
        }

        .filter-group {
            margin-bottom: 2rem;
        }

        .filter-group h4 {
            margin-bottom: 1rem;
            color: #555;
            font-size: 1rem;
        }

        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .filter-options label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }

        .filter-options label:hover {
            color: #10b981;
        }

        .filter-options input[type="checkbox"] {
            accent-color: #10b981;
        }

        .clear-filters {
            background: #ef4444;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }

        .clear-filters:hover {
            background: #dc2626;
        }

        /* Catalog Styles */
        .catalog {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            overflow: hidden;
        }

        .catalog-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            border-bottom: 1px solid #eee;
        }

        .results-info {
            color: #666;
            font-weight: 500;
        }

        .view-controls {
            display: flex;
            gap: 0.5rem;
        }

        .view-toggle {
            background: transparent;
            border: 1px solid #ddd;
            padding: 8px 12px;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .view-toggle.active,
        .view-toggle:hover {
            background: #10b981;
            color: white;
            border-color: #10b981;
        }

        .products-container {
            padding: 1.5rem;
        }

        /* Product Grid */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .products-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .product-card {
            background: white;
            border: 1px solid #eee;
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .product-image {
            width: 100%;
            height: 200px;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: #ddd;
            overflow: hidden;
        }

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

        .product-info {
            padding: 1rem;
        }

        .product-name {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .product-generic {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 0.5rem;
        }

        .product-price {
            font-size: 1.2rem;
            font-weight: bold;
            color: #10b981;
            margin-bottom: 0.5rem;
        }

        .product-labels {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .label {
            padding: 0.25rem 0.5rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .label.stock-in {
            background: #dcfce7;
            color: #166534;
        }

        .label.form {
            background: #dbeafe;
            color: #1e40af;
        }

        .label.category {
            background: #fef3c7;
            color: #92400e;
        }

        .add-to-cart {
            background: #10b981;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
            font-weight: 500;
            transition: background 0.3s;
        }

        .add-to-cart:hover {
            background: #059669;
        }

        /* List View Styles */
        .products-list .product-card {
            display: flex;
            align-items: center;
            padding: 1rem;
        }

        .products-list .product-image {
            width: 100px;
            height: 100px;
            margin-right: 1rem;
            flex-shrink: 0;
        }

        .products-list .product-info {
            flex: 1;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0;
        }

        .products-list .product-details {
            flex: 1;
        }

        .products-list .product-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .products-list .add-to-cart {
            width: auto;
            padding: 8px 16px;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
        }

        .modal-content {
            background-color: white;
            margin: 5% auto;
            padding: 0;
            border-radius: 10px;
            width: 90%;
            max-width: 800px;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
        }

        .close {
            position: absolute;
            right: 20px;
            top: 20px;
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            z-index: 1;
        }

        .close:hover {
            color: #000;
        }

        .modal-body {
            padding: 2rem;
        }

        .modal-product {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .modal-image {
            width: 100%;
            height: 300px;
            background: #f8f9fa;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: #ddd;
            overflow: hidden;
        }

        .modal-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .modal-details h2 {
            color: #10b981;
            margin-bottom: 1rem;
        }

        .modal-price {
            font-size: 1.5rem;
            font-weight: bold;
            color: #10b981;
            margin-bottom: 1rem;
        }

        .modal-description {
            margin-bottom: 2rem;
        }

        .modal-description h3 {
            margin-bottom: 0.5rem;
            color: #333;
        }

        .modal-description p {
            color: #666;
            line-height: 1.6;
        }

        .dosage-info,
        .contraindications {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 1rem;
        }

        .dosage-info h4,
        .contraindications h4 {
            color: #10b981;
            margin-bottom: 0.5rem;
        }

        /* Cart Sidebar */
        .cart-sidebar {
            position: fixed;
            right: -400px;
            top: 0;
            width: 400px;
            height: 100vh;
            background: white;
            box-shadow: -2px 0 10px rgba(0,0,0,0.1);
            transition: right 0.3s;
            z-index: 1500;
            display: flex;
            flex-direction: column;
        }

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

        .cart-header {
            padding: 1.5rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .close-cart {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #666;
        }

        .cart-items {
            flex: 1;
            padding: 1rem;
            overflow-y: auto;
        }

        .cart-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid #eee;
        }

        .cart-item-image {
            width: 60px;
            height: 60px;
            background: #f8f9fa;
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ddd;
            overflow: hidden;
        }

        .cart-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .cart-item-name {
            font-weight: 500;
            margin-bottom: 0.25rem;
        }

        .cart-item-price {
            color: #10b981;
            font-weight: 600;
        }

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

        .quantity-btn {
            background: #f3f4f6;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .quantity-btn:hover {
            background: #e5e7eb;
        }

        .quantity {
            min-width: 30px;
            text-align: center;
            font-weight: 500;
        }

        .cart-footer {
            padding: 1.5rem;
            border-top: 1px solid #eee;
        }

        .cart-total {
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .checkout-btn {
            background: #10b981;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
            font-size: 1rem;
            font-weight: 500;
            transition: background 0.3s;
        }

        .checkout-btn:hover {
            background: #059669;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                order: 2;
            }
            
            .catalog {
                order: 1;
            }
            
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            .search-container {
                order: 2;
                width: 100%;
            }
            
            .products-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
            
            .modal-product {
                grid-template-columns: 1fr;
            }
            
            .cart-sidebar {
                width: 100%;
                right: -100%;
            }

            .header-actions {
                flex-wrap: wrap;
                justify-content: center;
            }

            .signin-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .container {
                padding: 0 10px;
            }

            .header-actions {
                gap: 0.5rem;
            }

            .signin-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }