.rrzc-widget{border:1px solid #eee;padding:16px;border-radius:8px;max-width:520px}
.rrzc-header{font-weight:600;margin-bottom:8px}
.rrzc-form{display:flex;gap:8px;margin-bottom:8px}
.rrzc-form input.rrzc-zip{flex:1;min-width:0;padding:10px 12px;border:1px solid #ccc;border-radius:6px}
.rrzc-form .rrzc-submit{padding:10px 14px;border:0;border-radius:6px;cursor:pointer}
.rrzc-result{min-height:24px}
.rrzc-visible{opacity:1;transition:opacity .2s ease}
.rrzc-loading{opacity:.75}
.rrzc-message{font-weight:600}
.rrzc-error{color:#a00}