.wc-quick-checkout-container {
            margin-top: 30px;
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background-color: #f8f8f8;
        }
        
        .wc-quick-checkout-container h3 {
            margin-top: 0;
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .wc-quick-checkout-row {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }
        
        .wc-quick-checkout-col {
            flex: 1;
            padding-right: 10px;
        }
        
        .wc-quick-checkout-col:last-child {
            padding-right: 0;
        }
        
        .wc-quick-checkout-col.full-width {
            flex: 0 0 100%;
        }
        
        .wc-quick-checkout-form label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        .wc-quick-checkout-form input[type='text'],
        .wc-quick-checkout-form input[type='tel'],
        .wc-quick-checkout-form input[type='number'],
        .wc-quick-checkout-form select {
            width: 100%;
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        
        .wc-quick-variation-select {
            margin-bottom: 10px;
        }
        
        .wc-quick-checkout-button {
            margin-top: 15px !important;
            width: 100%;
        }
        
        @media (max-width: 768px) {
            .wc-quick-checkout-row {
                flex-direction: column;
            }
            
            .wc-quick-checkout-col {
                padding-right: 0;
                margin-bottom: 15px;
            }
        }