:root {
            --primary: #6a5acd;      /* Slate blue */
            --secondary: #ff69b4;    /* Hot pink */
            --accent: #ff1493;       /* Deep pink */
            --light-blue: #e6f0ff;   /* Very light blue */
            --light-pink: #fff0f5;   /* Lavender blush */
            --dark: #4b0082;         /* Indigo */
            --text: #333333;
            --light: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text);
            background-color: #fefefe;
        }
        
        .navbar {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
        }
        
        .nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
        }
        
        .nav-link:hover, .nav-link.active {
            color: white !important;
        }
        
        .page-header {
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-pink) 100%);
            padding: 60px 0 40px;
            margin-bottom: 30px;
        }
        
        .cart-container {
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            overflow: hidden;
            margin-bottom: 30px;
        }
        
        .cart-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .cart-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0;
        }
        
        .cart-item-count {
            background: var(--secondary);
            color: white;
            border-radius: 20px;
            padding: 5px 15px;
            font-weight: 600;
        }
        
        .cart-item {
            display: flex;
            padding: 25px 30px;
            border-bottom: 1px solid #eee;
            align-items: center;
        }
        
        .cart-item:last-child {
            border-bottom: none;
        }
        
        .cart-item-image {
            width: 100px;
            height: 130px;
            object-fit: cover;
            border-radius: 8px;
            margin-right: 20px;
        }
        
        .cart-item-details {
            flex-grow: 1;
        }
        
        .cart-item-title {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
            font-size: 1.1rem;
        }
        
        .cart-item-author {
            color: #666;
            margin-bottom: 10px;
        }
        
        .cart-item-price {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.2rem;
        }
        
        .cart-item-old-price {
            text-decoration: line-through;
            color: #999;
            margin-left: 8px;
            font-size: 1rem;
        }
        
        .quantity-selector {
            display: flex;
            align-items: center;
            margin: 15px 0;
        }
        
        .quantity-btn {
            width: 35px;
            height: 35px;
            border: 1px solid #ddd;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        .quantity-btn:hover {
            background: var(--light-blue);
            border-color: var(--primary);
        }
        
        .quantity-input {
            width: 50px;
            height: 35px;
            border: 1px solid #ddd;
            border-left: none;
            border-right: none;
            text-align: center;
            font-weight: 600;
        }
        
        .cart-item-actions {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 15px;
        }
        
        .remove-btn {
            background: none;
            border: none;
            color: #999;
            cursor: pointer;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .remove-btn:hover {
            color: var(--accent);
        }
        
        .save-later-btn {
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .save-later-btn:hover {
            color: var(--dark);
        }
        
        .cart-summary {
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
            position: sticky;
            top: 20px;
        }
        
        .summary-title {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light-blue);
        }
        
        .summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
        }
        
        .summary-label {
            color: #666;
        }
        
        .summary-value {
            font-weight: 600;
        }
        
        .summary-total {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            margin-top: 15px;
            padding-top: 15px;
            border-top: 2px solid var(--light-blue);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            border: none;
            border-radius: 30px;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s;
            width: 100%;
            margin-top: 20px;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(106, 90, 205, 0.4);
        }
        
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
            border: none;
            border-radius: 30px;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s;
            width: 100%;
        }
        
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 105, 180, 0.4);
        }
        
        .btn-outline-primary {
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 30px;
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s;
            width: 100%;
            margin-top: 15px;
        }
        
        .btn-outline-primary:hover {
            background: var(--primary);
            color: white;
        }
        
        .continue-shopping {
            display: flex;
            align-items: center;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            margin-bottom: 25px;
            transition: color 0.3s;
        }
        
        .continue-shopping:hover {
            color: var(--dark);
        }
        
        .empty-cart {
            text-align: center;
            padding: 60px 30px;
        }
        
        .empty-cart-icon {
            font-size: 5rem;
            color: #ddd;
            margin-bottom: 20px;
        }
        
        .empty-cart-title {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }
        
        .empty-cart-text {
            color: #666;
            margin-bottom: 30px;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .saved-items {
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-top: 40px;
        }
        
        .saved-title {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light-blue);
        }
        
        .saved-item {
            display: flex;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            align-items: center;
        }
        
        .saved-item:last-child {
            border-bottom: none;
        }
        
        .saved-item-image {
            width: 70px;
            height: 90px;
            object-fit: cover;
            border-radius: 6px;
            margin-right: 15px;
        }
        
        .saved-item-details {
            flex-grow: 1;
        }
        
        .saved-item-title {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 5px;
        }
        
        .saved-item-author {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 5px;
        }
        
        .saved-item-price {
            font-weight: 700;
            color: var(--accent);
        }
        
        .saved-item-actions {
            display: flex;
            gap: 10px;
        }
        
        .move-to-cart-btn {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 20px;
            padding: 6px 15px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .move-to-cart-btn:hover {
            background: var(--dark);
        }
        
        .remove-saved-btn {
            background: none;
            border: 1px solid #ddd;
            color: #666;
            border-radius: 20px;
            padding: 6px 15px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .remove-saved-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        
        .promo-code {
            margin-top: 25px;
            padding-top: 25px;
            border-top: 1px solid #eee;
        }
        
        .promo-title {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 15px;
        }
        
        .promo-input-group {
            display: flex;
        }
        
        .promo-input {
            flex-grow: 1;
            border: 1px solid #ddd;
            border-radius: 30px 0 0 30px;
            padding: 10px 15px;
            outline: none;
        }
        
        .promo-input:focus {
            border-color: var(--primary);
        }
        
        .promo-btn {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 10px 20px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .promo-btn:hover {
            background: var(--dark);
        }
        
        .footer {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 60px 0 30px;
            margin-top: 50px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        
        @media (max-width: 768px) {
            .cart-item {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .cart-item-image {
                margin-bottom: 15px;
            }
            
            .cart-item-actions {
                flex-direction: row;
                width: 100%;
                justify-content: space-between;
                margin-top: 15px;
            }
            
            .saved-item {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .saved-item-image {
                margin-bottom: 10px;
            }
            
            .saved-item-actions {
                width: 100%;
                justify-content: space-between;
                margin-top: 10px;
            }
        }