:root{--bg:#0d0f14;--card:#171a22;--line:#262a35;--text:#f2f3f5;--muted:#9aa0ad;--red:#e5383b;--red2:#b72a2d;--ok:#3ccf91;--warn:#f5b84a;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg) radial-gradient(1200px 600px at 80% -10%,#1b2140 0,transparent 60%);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;min-height:100%}
a{color:inherit}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:calc(12px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 12px calc(16px + env(safe-area-inset-left));background:rgba(13,15,20,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font-weight:700;text-decoration:none;letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red)}
.who{color:var(--muted);font-size:13px;display:flex;gap:10px;align-items:center}
main{max-width:860px;margin:0 auto;padding:16px 14px 80px}
h1{font-size:21px;margin:6px 0 14px}
h2{font-size:17px;margin:22px 0 10px}
h3{font-size:15px;margin:0 0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0}
.card.link{cursor:pointer;display:block;text-decoration:none}
.card.link:active{border-color:var(--red)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.muted{color:var(--muted);font-size:13px}
.pre{white-space:pre-wrap;word-break:break-word}
.tag{display:inline-block;padding:1px 9px;border-radius:99px;font-size:12px;border:1px solid var(--line);color:var(--muted)}
.tag.ok{color:var(--ok);border-color:rgba(60,207,145,.5)}
.tag.todo{color:var(--warn);border-color:rgba(245,184,74,.5)}
.tag.red{color:#fff;background:var(--red);border-color:var(--red)}
button,.btn{appearance:none;border:1px solid var(--line);background:#20242f;color:var(--text);border-radius:10px;padding:9px 14px;font:inherit;cursor:pointer}
button.primary,.btn.primary{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
button.primary:active{background:var(--red2)}
button.big{width:100%;padding:13px;font-size:16px}
button.ghost{background:transparent}
button.small{padding:5px 10px;font-size:13px}
button:disabled{opacity:.5;cursor:not-allowed}
input,textarea,select{width:100%;background:#0f1218;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit}
textarea{min-height:96px;resize:vertical}
label{display:block;margin:10px 0 4px;color:var(--muted);font-size:13px}
.tabs{display:flex;gap:6px;margin:6px 0 12px}
.tabs button{flex:1}
.tabs button.on{border-color:var(--red);color:#fff}
.files{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.file{background:#10131a;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.file video{width:100%;max-height:420px;border-radius:8px;background:#000;margin-top:6px}
.file audio{width:100%;margin-top:6px}
.file img{max-width:100%;border-radius:8px;margin-top:6px}
.reply{border-left:3px solid var(--red);padding:6px 10px;margin-top:8px;background:#12151d;border-radius:0 8px 8px 0}
.progress{height:6px;background:#0f1218;border-radius:6px;overflow:hidden;margin-top:6px}
.progress>i{display:block;height:100%;width:0;background:var(--red);transition:width .2s}
.roster{width:100%;border-collapse:collapse}
.roster td{padding:10px 6px;border-bottom:1px solid var(--line)}
.roster tr{cursor:pointer}
.stat{font-size:28px;font-weight:700}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#2a2f3c;border:1px solid var(--line);padding:10px 16px;border-radius:12px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw;z-index:9}
.toast.show{opacity:1}
.toast.err{border-color:var(--red)}
.done-bar{position:fixed;left:0;right:0;bottom:0;padding:12px 14px calc(12px + env(safe-area-inset-bottom));background:rgba(13,15,20,.95);border-top:1px solid var(--line)}
.done-bar>div{max-width:860px;margin:0 auto}
.rec{display:inline-flex;align-items:center;gap:6px}
.rec .live{width:9px;height:9px;border-radius:50%;background:var(--red);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.2}}
.install{border-color:rgba(229,56,59,.45);background:linear-gradient(135deg,#1d1418,#171a22)}
.empty{text-align:center;color:var(--muted);padding:30px 0}