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

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #66c5ea 0%, #3b4ce7 100%);
            min-height: 100vh;
            color: #333;
        }

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

        /* Header Styles */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 2rem;
            font-weight: bold;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #66d0ea;
        }

        .auth-container {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .user-info {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #667eea;
        }

        .user-name {
            font-weight: bold;
            color: #333;
        }

        .btn {
            padding: 0.7rem 1.5rem;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-primary {
            background-color: #176ae7;
            color: rgb(255, 255, 255);
        }

        .btn-primary:hover {
            background-color: #00b3aa;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: #667eea;
            border: 2px solid #667eea;
        }

        .btn-secondary:hover {
            background: #28c4eb;
            color: white;
        }

        .cart-icon {
            position: relative;
            background: #e70b0b;
            color: white;
            border: none;
            padding: 0.7rem 1.2rem;
            border-radius: 25px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .cart-icon:hover {
            background: #32ee5b;
            transform: translateY(-2px);
        }

        .cart-count {
            background: #fff;
            color: #ff6b6b;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            margin-left: 0.5rem;
        }

        /* Main Content */
        main {
            margin-top: 80px;
            padding: 2rem 0;
        }

        .hero {
            text-align: center;
            padding: 4rem 0;
            color: white;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .cta-button {
            background: #1736e7;
            color: rgb(255, 255, 255);
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
        }

        .cta-button:hover {
            background-color: #28e1ee;
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(107, 196, 255, 0.4);
        }

        /* Auth Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(5px);
        }

        .modal-content {
            background: white;
            margin: 5% auto;
            padding: 2rem;
            border-radius: 20px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            animation: modalSlideIn 0.3s ease-out;
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .close:hover {
            color: #667eea;
        }

        .auth-form {
            margin-top: 1rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #333;
        }

        .form-group input {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .avatar-selection {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 1rem 0;
        }

        .avatar-option {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            cursor: pointer;
            border: 3px solid transparent;
            transition: all 0.3s;
        }

        .avatar-option:hover,
        .avatar-option.selected {
            border-color: #667eea;
            transform: scale(1.1);
        }

        /* Products Section */
        .filters {
            background: rgba(255, 255, 255, 0.95);
            padding: 2rem;
            border-radius: 20px;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            backdrop-filter: blur(10px);
        }

        .filter-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #333;
        }

        .filter-group select,
        .filter-group input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
        }

        .products-section {
            background: rgba(255, 255, 255, 0.95);
            padding: 2rem;
            border-radius: 20px;
            backdrop-filter: blur(10px);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: #333;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 2px;
        }

        .loading {
            display: none;
            text-align: center;
            padding: 3rem;
        }

        .loading.show {
            display: block;
        }

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

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

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

        .product-card {
            background: white;
            border-radius: 20px;
            padding: 1.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;
            animation: fadeInUp 0.6s ease-out;
            animation-fill-mode: both;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
        }

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

        .product-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 15px;
            margin-bottom: 1rem;
        }

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

        .product-price {
            font-size: 1.5rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 0.5rem;
        }

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

        .add-to-cart {
            width: 100%;
            background-color: #007bff;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .add-to-cart:hover {
            background-color: #32ee5b;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(19, 214, 107, 0.3);
            
        }

        /* Cart Styles */
        
        #cart-items {
        max-height: 400px;
        max-width: 1000px;
        overflow-y: auto;
        margin-bottom: 1rem;
        }

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

        .cart-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 10px;
        }

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

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

        .cart-item-price {
            color: #667eea;
            font-weight: 600;
        }

        .quantity-controls {
            display: block;
            align-items: center;
            gap: 0.5rem;
        }

        .quantity-btn {
            background: #3f98e0;
            color: white;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            font-weight: bold;
        }

        .quantity {
            font-weight: bold;
            min-width: 20px;
            text-align: center;
        }

        .remove-item {
            background: #ee1d1d;
            color: rgb(247, 241, 241);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            cursor: pointer;
        }

        .cart-total {
            text-align: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 1rem 0;
            color: #333;
        }

        .checkout-btn {
            width: 100%;
            background: linear-gradient(45deg, #4CAF50, #45a049);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .checkout-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
        }

        .empty-cart {
            text-align: center;
            padding: 2rem;
            color: #666;
            font-size: 1.1rem;
        }

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

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

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

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

        /* about contact section*/

        .about-contact-section {
                display: flex;
                justify-content: space-between;
                align-items: flex-start;
                gap: 40px;
                padding: 60px 30px;
                flex-wrap: wrap;
            }

        .about-box,
        .contact-box {
            flex: 1 1 48%;
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .about-box h2,
        .contact-box h2 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #333;
        }

        .about-box p {
            font-size: 16px;
            color: #444;
            line-height: 1.6;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .contact-form input,
        .contact-form textarea {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 14px;
        }

        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }

        .contact-form button {
            padding: 12px;
            font-size: 16px;
            background: linear-gradient(to right, #007cf0, #00dfd8);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: 0.3s;
        }

        .contact-form button:hover {
            background: linear-gradient(to right, #005bb5, #00b3a4);
        }

        /* Responsive - Stack on mobile */
         @media (max-width: 768px) {
        .about-contact-section {
            flex-direction: column;
        }

        .about-box,
        .contact-box {
            flex: 1 1 100%;
        }
    }