:root{--bg:#faf9f7;--fg:#1a1a1a;--muted:#6b6b6b;--line:#e3e0dc;--accent:#2f5d50}
@media (prefers-color-scheme:dark){:root{--bg:#161718;--fg:#e8e6e3;--muted:#9a9a9a;--line:#2c2e2f;--accent:#7fb3a2}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
header{padding:20px 24px 8px}
h1{margin:0;font-size:19px;letter-spacing:-.01em}
.sub{margin:2px 0 0;color:var(--muted);font-size:13px}
main{max-width:760px;margin:0 auto;padding:16px 24px 40px}
.bar{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}
.me{font-weight:600}
.bar form{margin-left:auto}
.status{font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line)}
.status-connecting{color:var(--muted)}
.status-open{color:var(--accent);border-color:currentColor}
.status-closed{color:#b3261e;border-color:currentColor}
.log{list-style:none;margin:0;padding:12px 0;min-height:50vh;max-height:60vh;overflow-y:auto}
.log li{padding:5px 0;display:flex;gap:10px;align-items:baseline}
.log li.mine .author{color:var(--accent)}
.author{color:var(--muted);font-size:12px;min-width:180px;flex:0 0 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.body{white-space:pre-wrap;word-break:break-word}
.composer{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:12px}
.composer input{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--fg);font:inherit}
button{padding:9px 15px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:7px;font:inherit;cursor:pointer}
button.link{background:none;border:none;color:var(--muted);padding:0;text-decoration:underline;cursor:pointer}
.signin{max-width:380px}
.signin label{display:block;margin:14px 0 4px;font-size:13px;color:var(--muted)}
.signin input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--fg);font:inherit}
.signin button{margin-top:18px;width:100%}
.note{margin-top:18px;color:var(--muted);font-size:12px}
.error{background:#fdecea;color:#7f1d1d;border-radius:7px;padding:9px 11px;font-size:13px}
@media (prefers-color-scheme:dark){.error{background:#3b1a17;color:#f7c9c4}}
@media (max-width:560px){.author{min-width:0;max-width:120px}}