:root{--ink:#1c2b33;--muted:#5b6b73;--line:#d4dde1;--brand:#1f4e5f;--bg:#f6f8f9;--danger:#b3261e;--warn:#fff4d6;--ok:#e3f4e8;--card:#fff}
*{box-sizing:border-box}body{margin:0;font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.top{background:var(--brand);color:#fff;padding:8px 16px;display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.top a{color:#fff;text-decoration:none}.brand{font-weight:700;font-size:18px}.top nav{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center}.top nav a:hover{text-decoration:underline}
.top .link{background:none;border:0;color:#fff;padding:0;font:inherit;cursor:pointer;text-decoration:underline;min-height:0}
main{max-width:1180px;margin:0 auto;padding:16px}h1{font-size:26px;margin:.3em 0}h2{font-size:18px;margin:1.2em 0 .4em}a{color:#0b5c7a}
.muted{color:var(--muted);font-size:14px}.narrow{max-width:560px}.pre{white-space:pre-line}.danger{color:var(--danger)}
button,.button{display:inline-block;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:5px;padding:8px 14px;font:inherit;cursor:pointer;text-decoration:none;min-height:40px}
button.alt,.button.alt{background:#fff;color:var(--brand)}button.small{padding:3px 9px;font-size:14px;min-height:30px}
:focus-visible{outline:3px solid #e8a200;outline-offset:2px}
input,select,textarea{font:inherit;padding:7px;border:1px solid #9fb0b8;border-radius:4px;max-width:100%;background:#fff}textarea{width:100%}
form p label,form p>input:not([type=checkbox]),form p>select,form p>textarea{display:block}form p input:not([type=checkbox]):not([type=file]),form p select{width:100%}
.helptext{display:block;color:var(--muted);font-size:13px}.errorlist{color:var(--danger);padding-left:18px}
.searchbar{display:flex;gap:8px;margin:8px 0 16px}.searchbar input{flex:1;font-size:18px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}.filters select{max-width:230px}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:12px;text-decoration:none;color:var(--ink);font-size:14px}.card b{display:block;font-size:26px}.card.alert{border-color:var(--danger)}
.scroll{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:6px}table{border-collapse:collapse;width:100%;font-size:15px}th,td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#eef2f4;font-size:13px;white-space:nowrap}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.plain{list-style:none;padding:0}.plain li{padding:4px 0}.checks{columns:2}
.note{padding:9px 12px;border-radius:5px;background:#e8f1f5}.note.warn,.note.warning{background:var(--warn)}.note.success{background:var(--ok)}.note.error{background:#fbe4e2}
.pill{background:#ffd666;color:#222;border-radius:9px;padding:0 7px;font-size:12px}.inline{display:inline}.pics{display:flex;flex-wrap:wrap;gap:8px}
.signal{font-weight:700;font-size:20px;margin:.2em 0}.signal.danger{color:var(--danger)}.code{font:18px monospace;background:#fff;border:1px solid var(--line);padding:10px;word-break:break-all}
.sheetlist{list-style:none;padding:0;background:#fff;border:1px solid var(--line);border-radius:6px}.sheetlist li{padding:11px 12px;border-bottom:1px solid var(--line)}.sheetlist a{font-size:17px;font-weight:600}[data-filter]{width:100%;margin:8px 0}
.unread{font-weight:600}fieldset{border:1px solid var(--line);border-radius:6px;display:flex;flex-wrap:wrap;gap:8px;align-items:end}#reader{max-width:480px}
@media print{.top,.actions,form{display:none}body{background:#fff}}
@media(max-width:600px){h1{font-size:22px}.checks{columns:1}.searchbar input{font-size:16px}}
.demo-banner{margin:0;padding:7px 16px;background:#ffd666;color:#222;font-size:14px;text-align:center}