:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#6b6a65;--line:#e4e1d8;--accent:#2b5d4f;--warn:#8a4b0f;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--fg:#ecebe6;--muted:#a19f97;--line:#2e2d2a;--accent:#7cc2ad;--warn:#e0a35e;--card:#1c1c1a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:640px;margin:0 auto;padding:24px 16px 64px}
h1{font-size:1.6rem;margin:.2em 0 .6em}h2{font-size:1.15rem;margin:1.6em 0 .4em}
p,li{color:var(--fg)}.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}
.banner{border-left:4px solid var(--warn);padding:10px 12px;background:var(--card);margin:12px 0}
button,.button{display:inline-block;font:inherit;padding:10px 16px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:var(--bg);cursor:pointer;text-decoration:none;margin:4px 8px 4px 0}
button.secondary{background:transparent;color:var(--accent)}button:disabled{opacity:.5;cursor:default}
label{display:block;margin:12px 0 4px;font-weight:600}
input{font:inherit;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
#status{min-height:1.5em;color:var(--muted)}
dl{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px}dt{color:var(--muted)}dd{margin:0}
.box{border:2px solid var(--fg);border-radius:6px;padding:12px;margin:16px 0;background:var(--card)}
.box-head{font-size:1rem;margin:0 0 8px}
pre.verbatim{white-space:pre-wrap;word-break:break-word;font:14px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;margin:0;padding:8px 0;border-top:1px dashed var(--line)}
pre.verbatim:first-of-type{border-top:0}
mark.na{background:#f6e3b0;color:#1d1d1b}.ws{color:var(--warn)}
label.inline{display:inline;font-weight:600}input[type=checkbox]{width:auto}
.redirect-host{font-size:1.4rem;word-break:break-all;margin:4px 0 12px}
#invite_link{font-size:1rem}ul.list{padding-left:1.1em}ul.list li{margin:8px 0}