:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;background:#f1f7f8;color:#153b49;font:16px/1.6 system-ui,sans-serif}header{display:flex;justify-content:space-between;gap:15px;padding:20px;max-width:780px;margin:auto}main{max-width:740px;margin:auto;padding:0 20px 40px}h1{font-size:clamp(30px,7vw,42px);line-height:1.15}h2{font-size:23px}a{color:#007b82}nav{display:flex;flex-wrap:wrap;gap:20px;margin:25px 0}section{background:white;border:1px solid #d5e5e8;border-radius:16px;padding:24px;margin:24px 0;scroll-margin-top:20px}label{display:grid;gap:7px;margin:18px 0}input,textarea,button{font:inherit}input,textarea{width:100%;border:1px solid #b6ced5;border-radius:8px;padding:12px;color:#153b49;background:white}textarea{resize:vertical}button,.button{display:inline-block;padding:12px 18px;border:0;border-radius:9px;background:#007d83;color:white;text-decoration:none;cursor:pointer;font-weight:700;margin:8px 8px 8px 0}button:disabled{opacity:.5;cursor:wait}.secondary{background:#e5f1f3;color:#153b49}.muted{font-size:14px;color:#526f7b}.reply{border-left:4px solid #007d83;padding:16px;background:#f0f8f8;margin:16px 0}.message{white-space:pre-wrap;overflow-wrap:anywhere}.meta{color:#526f7b;font-size:14px}footer{text-align:center;font-size:14px;margin-top:35px}#create-notice,#lookup-notice{color:#8a461d}#receipt{padding:18px;background:#eaf8f1;border-radius:10px}[hidden]{display:none!important}:focus-visible{outline:3px solid #eaa03b;outline-offset:3px}@media(max-width:450px){section{padding:18px}main{padding:0 14px 30px}header{padding:16px;font-size:14px}}