:root{--bg:#f5f6f8;--panel:#fff;--fg:#1d2330;--mut:#6b7385;--line:#e3e6ec;--bub:#fff;--code:#f0f2f5;--acc:#4f6ef7}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--panel:#171a21;--fg:#e6e8ee;--mut:#8a92a6;--line:#262b36;--bub:#1e222b;--code:#11141a;--acc:#7c93ff}}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--fg);font:15px/1.55 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:5;background:var(--panel);border-bottom:1px solid var(--line);padding:10px 16px 0}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:960px;margin:0 auto}
.brand{display:flex;gap:10px;align-items:center}.logo{width:36px;height:36px;border-radius:10px;background:var(--acc);color:#fff;display:grid;place-items:center;font-weight:700}
h1{font-size:17px;margin:0}.sub{font-size:12px;color:var(--mut)}
#join{display:flex;gap:6px}#join input{width:150px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
#join button{padding:7px 14px;border:0;border-radius:8px;background:var(--acc);color:#fff;cursor:pointer}
.meta{margin-top:8px}.parts{display:flex;gap:6px;flex-wrap:wrap}
.chip{display:flex;align-items:center;gap:6px;padding:2px 10px 2px 2px;border:1px solid var(--line);border-radius:99px;font-size:13px}
.chip.now{border-color:var(--c);box-shadow:0 0 0 2px color-mix(in srgb,var(--c) 30%,transparent)}
.right{display:flex;align-items:center;gap:8px;font-size:13px}.speaker{color:var(--mut)}
.pill{padding:2px 10px;border-radius:99px;font-size:12px;background:var(--code)}
.pill.open{background:#1f9d5522;color:#1f9d55}.pill.halt,.pill.halted{background:#e0352b22;color:#e0352b}.pill.done,.pill.closed,.pill.finished{background:#8882;color:var(--mut)}
.conn{width:9px;height:9px;border-radius:50%;background:#e0352b}.conn.on{background:#1f9d55;animation:p 2s infinite}@keyframes p{50%{opacity:.4}}
.progress{position:relative;max-width:960px;margin:10px auto 0;height:18px}
.progress #bar{position:absolute;left:0;bottom:0;height:3px;background:var(--acc);width:0;transition:width .4s;border-radius:3px}
.progress span{position:absolute;right:0;top:0;font-size:11px;color:var(--mut)}
main{flex:1;overflow-y:auto;padding:18px 16px 40px}
main>*{max-width:960px;margin-left:auto;margin-right:auto}
.empty{text-align:center;color:var(--mut);margin-top:60px}
.msg{display:flex;gap:10px;margin-bottom:14px;animation:in .25s}@keyframes in{from{opacity:0;transform:translateY(6px)}}
.msg.r{flex-direction:row-reverse}
.av{flex:none;width:34px;height:34px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.chip .av{width:24px;height:24px;font-size:11px}
.body{max-width:min(72%,620px);display:flex;flex-direction:column}.msg.r .body{align-items:flex-end}
.head{font-size:12px;color:var(--mut);margin:0 4px 3px;display:flex;gap:8px}.head b{color:var(--c)}
.bub{background:var(--bub);border:1px solid var(--line);border-left:3px solid var(--c);border-radius:14px;padding:8px 12px;word-wrap:break-word;overflow-wrap:anywhere}
.msg.r .bub{border-left:1px solid var(--line);border-right:3px solid var(--c);background:color-mix(in srgb,var(--c) 10%,var(--bub))}
.quote{font-size:12px;color:var(--mut);border-left:2px solid var(--line);padding:2px 8px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;cursor:pointer}
.bub pre{background:var(--code);padding:8px 10px;border-radius:8px;overflow-x:auto;margin:6px 0;font-size:13px}
.bub code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:var(--code);padding:1px 4px;border-radius:4px}.bub pre code{padding:0;background:none}
.sys{text-align:center;margin:12px auto;font-size:12px;color:var(--mut)}.sys span{background:var(--code);padding:4px 12px;border-radius:99px;display:inline-block;max-width:90%}
.flash .bub{outline:2px solid var(--acc)}
.jump{position:fixed;right:20px;bottom:20px;border:0;border-radius:99px;padding:8px 14px;background:var(--acc);color:#fff;box-shadow:0 4px 14px #0003;cursor:pointer}
@media (max-width:600px){.top{padding:8px 10px 0}#join input{width:110px}.body{max-width:82%}main{padding:12px 10px 40px}.speaker{display:none}}

.out{border:1px solid var(--line);background:none;color:var(--mut);border-radius:8px;padding:2px 10px;font-size:12px;cursor:pointer}
.gate{max-width:420px!important;margin:60px auto;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}
.gate h2{margin:0 0 8px;font-size:18px}.gate p{color:var(--mut);font-size:14px}.gate .hint{font-size:12px}
.gate form{display:flex;gap:6px;margin-top:14px}.gate input{flex:1;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
.gate button{padding:9px 16px;border:0;border-radius:8px;background:var(--acc);color:#fff;cursor:pointer}