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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2d2d2d 100%);
            color: white;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated background particles */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: rgba(255, 107, 107, 0.3);
            border-radius: 50%;
            animation: float 6s infinite ease-in-out;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 1; }
            33% { transform: translateY(-20px) rotate(120deg); opacity: 0.8; }
            66% { transform: translateY(20px) rotate(240deg); opacity: 0.6; }
        }

        /* Header */
        .header {
            position: relative;
            z-index: 10;
            padding: 40px 20px;
            text-align: center;
            background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(238, 90, 36, 0.05) 100%);
        }

        .back-btn {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid transparent;
            border-radius: 25px;
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .back-btn:hover {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            transform: translateY(-50%) translateX(-5px);
            box-shadow: 0 5px 20px rgba(255, 107, 107, 0.3);
        }

        .cart-title {
            font-size: 2.5em;
            font-weight: 900;
            background: linear-gradient(135deg, #ff6b6b, #ee5a24, #ffa726);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .cart-subtitle {
            color: #aaa; /* Lighter color for emphasis */
            font-size: 1.2em;
            font-weight: bold; /* Bolded text */
            text-align: center;
            margin: 20px 0; /* Added margin for spacing */
        }

        /* Main Content */
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2d2d2d 100%);
            color: white;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Main Content */
        .main-content {
            position: relative;
            z-index: 10;
            margin: 0 auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 350px; 
            gap: 40px;
            align-items: start;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2d2d2d 100%);
            color: white;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .main-content {
            position: relative;
            z-index: 10;
            margin: 0 auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr; /* Single column layout */
            gap: 40px;
            align-items: start;
        }

        .order-summary {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
            max-width: 600px; /* Give summary a max-width */
            margin-top: 40px;
            justify-self: center; /* Center the summary box within the grid column */
        }

        /* Cart Items */
        .cart-items {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 20px;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cart-items h2 {
            font-size: 1.5em;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #ffffff, #cccccc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cart-item {
            display: flex;
            align-items: center;
            padding: 20px;
            margin-bottom: 15px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .cart-item:hover {
            transform: translateX(5px);
            background: rgba(255, 107, 107, 0.1);
            border-color: rgba(255, 107, 107, 0.3);
        }

        .item-image {
            width: 100px;
            height: 100px;
            border-radius: 12px;
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2em;
            margin-right: 20px;
            position: relative;
            overflow: hidden;
        }

        .item-image::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: rotate(45deg) translateX(-100%);
            transition: transform 0.6s ease;
        }

        .cart-item:hover .item-image::before {
            transform: rotate(45deg) translateX(100%);
        }

        .item-details {
            flex: 1;
        }

        .item-name {
            font-size: 1.1em;
            font-weight: bold;
            margin-bottom: 5px;
            color: white;
        }

        .item-type {
            color: #888;
            font-size: 0.9em;
            margin-bottom: 8px;
        }

        .item-artist {
            color: #ff6b6b;
            font-size: 0.9em;
            font-weight: 500;
        }

        .item-price {
            font-size: 1.2em;
            font-weight: bold;
            color: #ffa726;
            margin: 0 20px;
        }

        .quantity-controls {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 20px;
        }

        .qty-btn {
            width: 32px;
            height: 32px;
            border: none;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            transition: all 0.3s ease;
        }

        .qty-btn:hover {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            transform: scale(1.1);
        }

        .qty-display {
            width: 40px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: white;
            font-weight: bold;
        }

        .remove-btn {
            width: 40px;
            height: 40px;
            border: none;
            border-radius: 50%;
            background: rgba(255, 0, 0, 0.2);
            color: #ff6b6b;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2em;
            transition: all 0.3s ease;
        }

        .remove-btn:hover {
            background: rgba(255, 0, 0, 0.3);
            transform: scale(1.1);
        }

        .empty-cart {
            text-align: center;
            padding: 60px 20px;
            color: #888;
        }

        .empty-cart-icon {
            font-size: 4em;
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .empty-cart h3 {
            font-size: 1.5em;
            margin-bottom: 10px;
            color: #aaa;
        }

        .browse-btn {
            margin-top: 20px;
            padding: 15px 30px;
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            border: none;
            border-radius: 25px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .browse-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
        }

        /* Order Summary */
        .order-summary {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            height: fit-content;
            position: sticky;
            top: 20px;
        }

        .order-summary h2 {
            font-size: 1.5em;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #ffffff, #cccccc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .summary-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .summary-row:last-child {
            border-bottom: none;
            font-weight: bold;
            font-size: 1.2em;
            margin-top: 10px;
            padding-top: 20px;
            border-top: 2px solid rgba(255, 107, 107, 0.3);
        }

        .summary-label {
            color: #aaa;
        }

        .summary-value {
            color: white;
            font-weight: 500;
        }

        .total-value {
            background: linear-gradient(135deg, #ff6b6b, #ffa726);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 1.3em;
        }



        .checkout-btn {
            width: 100%;
            padding: 18px;
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            border: none;
            border-radius: 15px;
            color: white;
            font-size: 1.2em;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 25px;
        }

        .checkout-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 107, 107, 0.4);
        }

        .checkout-btn:disabled {
            background: rgba(255, 255, 255, 0.1);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .secure-checkout {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 15px;
            color: #888;
            font-size: 0.9em;
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .header {
                padding: 30px 15px;
            }

            .back-btn {
                left: 15px;
                padding: 10px 15px;
                font-size: 0.9em;
            }

            .cart-title {
                font-size: 2em;
            }

            .main-content {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 15px;
            }

            .cart-items, .order-summary {
                padding: 20px;
            }

            .cart-item {
                flex-direction: column;
                text-align: center;
                gap: 15px;
                padding: 20px 15px;
            }

            .item-image {
                margin: 0;
            }

            .item-details {
                text-align: center;
            }

            .quantity-controls {
                margin: 0;
                justify-content: center;
            }

            .item-price {
                margin: 0;
                font-size: 1.3em;
            }
        }

        @media (max-width: 480px) {
            .header {
                padding: 25px 10px;
            }

            .back-btn {
                left: 10px;
                padding: 8px 12px;
            }

            .cart-title {
                font-size: 1.8em;
            }

            .main-content {
                padding: 10px;
            }

            .cart-items, .order-summary {
                padding: 15px;
            }

            .cart-item {
                padding: 15px 10px;
            }

            .item-image {
                width: 60px;
                height: 60px;
                font-size: 1em;
            }
        }