.smart-shipping-rate-option{margin:8px 0;padding:12px;border:1px solid #ddd;border-radius:4px;background:#fafafa}.smart-shipping-rate-option:hover{background:#f0f0f0;border-color:#ccc}.smart-shipping-rate-option input[type=radio]{margin-right:8px}.smart-shipping-rate-label{display:flex;justify-content:space-between;align-items:center;cursor:pointer}.smart-shipping-rate-service{font-weight:600}.smart-shipping-rate-cost{color:#2271b1;font-weight:600;font-size:1.1em}.smart-shipping-rate-delivery{display:block;font-size:.85em;color:#666;margin-top:4px}.smart-shipping-address-validation{margin:10px 0;padding:10px;border-radius:4px}.smart-shipping-address-validation.valid{background:#d4edda;border:1px solid #c3e6cb;color:#155724}.smart-shipping-address-validation.invalid{background:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.smart-shipping-address-suggestion{margin-top:10px;padding:10px;background:#fff;border:1px solid #ddd;border-radius:4px}.smart-shipping-address-suggestion button{margin-top:8px}.smart-shipping-loading{display:inline-block;width:16px;height:16px;border:2px solid #f3f3f3;border-top:2px solid #2271b1;border-radius:50%;animation:spin 1s linear infinite;vertical-align:middle;margin-left:8px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.woocommerce-checkout .smart-shipping-rate-option{margin:6px 0}.woocommerce-checkout .smart-shipping-rate-label{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.woocommerce-checkout .smart-shipping-rate-delivery{font-style:italic}.smart-shipping-calculator{background:#f8f9fa;padding:20px;border-radius:8px;margin:20px 0}.smart-shipping-calculator h3{margin-top:0}.smart-shipping-calculator .form-row{margin-bottom:15px}.smart-shipping-calculator label{display:block;margin-bottom:5px;font-weight:600}.smart-shipping-calculator input,.smart-shipping-calculator select{width:100%;max-width:400px;padding:8px;border:1px solid #ddd;border-radius:4px}.smart-shipping-calculator button{margin-top:10px}