body {
          background: #f5f5f5;
        }

        .cart-box {
          background: #fff;
          padding: 25px;
          border-radius: 8px;
        }

        .cart-summary {
          background: #fff;
          padding: 25px;
          border-radius: 8px;
        }

        .qty-box {
          display: flex;
          align-items: center;
          border: 1px solid #ddd;
          width: 120px;
        }

        .qty-box button {
          border: none;
          background: #f8f9fa;
          width: 35px;
          height: 38px;
          font-weight: bold;
        }

        .qty-box input {
          border: none;
          width: 50px;
          text-align: center;
        }

        .btn-green {
          background: #1f8f4e;
          color: #fff;
        }

        .btn-green:hover {
          background: #166d3b;
          color: #fff;
        }

        .remove-btn {
          cursor: pointer;
          color: red;
          font-weight: bold;
        }

        /* Responsive tweaks */
        .table-responsive {
          overflow-x: auto;
          -webkit-overflow-scrolling: touch;
        }

        .product-img {
          width: 70px;
          height: auto;
          border-radius: 6px;
        }

        @media (max-width: 768px) {
          .cart-box, .cart-summary {
            padding: 15px;
          }

          .table thead {
            display: none;
          }

          .table tbody tr {
            display: flex;
            flex-direction: row;
            gap: 12px;
            align-items: flex-start;
            border-bottom: 1px solid #e9ecef;
            padding: 12px 0;
            position: relative;
          }

          .table tbody tr td {
            padding: 0;
            border: none;
            vertical-align: middle;
          }

          .remove-btn {
            position: absolute;
            right: 8px;
            top: 8px;
            font-size: 18px;
          }

          .product-cell {
            flex: 0 0 90px;
          }

          .product-cell .product-img {
            width: 90px;
            height: 90px;
            object-fit: cover;
            border-radius: 6px;
          }

          .product-cell .d-flex {
            display: block;
          }

          .price, .qty-cell, .subtotal {
            flex: 1 1 auto;
            display: flex;
            flex-direction: column;
            justify-content: center;
          }

          .price::before, .qty-cell::before, .subtotal::before {
            display: block;
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 6px;
          }

          .price::before { content: "Price"; }
          .qty-cell::before { content: "Quantity"; }
          .subtotal::before { content: "Subtotal"; }

          .qty-box {
            width: 120px;
            margin-top: 4px;
          }

          .cart-summary {
            margin-top: 20px;
          }
        }