:root{--bg:#0d1117;--card:#161b22;--line:#30363d;--fg:#e6edf3;--muted:#8b949e;--acc:#2f81f7;--bad:#f85149}
[hidden]{display:none!important}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line)}
header h1{font-size:18px;margin:0 auto 0 0}
.logo{height:28px}
.token{display:flex;align-items:center;gap:8px;color:var(--muted)}
.token input{width:320px}
main{padding:20px;display:grid;gap:20px;max-width:1100px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px}
h2{font-size:15px;margin:0 0 12px}
form{display:grid;gap:12px}
label{display:flex;flex-direction:column;gap:4px;color:var(--muted)}
fieldset{border:1px solid var(--line);border-radius:6px;display:flex;gap:12px;flex-wrap:wrap}
legend{color:var(--muted)}
input,select,button{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px 8px}
button{cursor:pointer;background:#21262d}
button:disabled{opacity:.5;cursor:default}
button[data-og=upload]{background:var(--acc);border-color:var(--acc)}
.row{display:flex;align-items:center;gap:10px}
progress{flex:1;height:10px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500}
.acts{white-space:nowrap;text-align:right}
.acts button{margin-left:6px}
.err{color:var(--bad);font-size:13px;max-width:420px}
.muted{color:var(--muted)}
#msg{margin:12px 20px 0;padding:10px 12px;border:1px solid var(--bad);border-radius:6px;color:var(--bad)}
.chat{display:grid;gap:8px;margin-bottom:12px;max-height:480px;overflow-y:auto}
.chat:empty{display:none}
.chat .you{justify-self:end;background:#1f2a3a;border-radius:8px;padding:6px 10px;max-width:80%;white-space:pre-wrap}
.chat [data-og=answer]{max-width:90%;overflow-x:auto}
.chat [data-og=answer] :is(p,ul,ol,pre,table){margin:0 0 6px}
.chat [data-og=answer] :is(ul,ol){padding-left:20px}
.chat [data-og=answer] code{font-family:ui-monospace,monospace;font-size:13px}
.chat [data-og=answer] pre{white-space:pre-wrap;background:#1f2a3a;border-radius:6px;padding:6px 8px}
.chat [data-og=answer] table{border-collapse:collapse}
.chat [data-og=answer] :is(th,td){border:1px solid #2c3a4f;padding:3px 8px;text-align:left}
.chat .err{max-width:none}
.aicard{border:1px solid var(--acc);border-radius:6px;padding:10px;display:grid;gap:8px}
.aicard .sum{word-break:break-word}
.aicard details{color:var(--muted);font-size:13px}
.aicard .args{font-family:ui-monospace,monospace;white-space:pre-wrap;word-break:break-word;margin:4px 0 0}
.aicard .res{white-space:pre-wrap;word-break:break-word;color:var(--muted)}
.aicard .res:empty{display:none}
button[data-og=confirm]{background:var(--acc);border-color:var(--acc)}
#askf input{flex:1}
details{margin-top:12px}
summary{cursor:pointer;color:var(--muted)}
details form{margin-top:12px}
#viewer{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column}
#viewer .bar{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;border-bottom:1px solid var(--line)}
#vframe{flex:1;border:0;width:100%}
.who{display:flex;align-items:center;gap:8px}
.auth{max-width:420px;margin:40px auto}
h3{font-size:14px;margin:16px 0 8px;color:var(--muted);font-weight:500}
.invite{align-items:flex-end;margin-top:12px}
.invite .grow{flex:1}
.link{word-break:break-all;background:#1f2a3a;border-radius:6px;padding:8px 10px;font-family:ui-monospace,monospace;font-size:13px}
.invites{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.invites li{display:flex;justify-content:space-between;align-items:center;gap:10px}
.check{flex-direction:row;align-items:center;gap:8px}
@media (max-width:700px){header{flex-wrap:wrap}.token input{width:100%}}