:root{
  --ink:#f4efe6; --ink2:rgba(244,239,230,.72); --glass:rgba(22,30,40,.42); --glass2:rgba(22,30,40,.62);
  --line:rgba(255,255,255,.14); --accent:#e9d8b4;
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
  font-family:"Noto Sans TC","PingFang TC","Noto Sans SC","PingFang SC","Microsoft JhengHei","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:#101820;color:var(--ink)}
body{touch-action:none;user-select:none;-webkit-user-select:none}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;outline:none;cursor:grab}
#scene.dragging{cursor:grabbing}
#scene.overseat{cursor:pointer}
button{font:inherit;color:inherit;cursor:pointer}
[hidden]{display:none!important}

#labels{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.lbl{position:absolute;left:0;top:0;white-space:nowrap;font-size:12.5px;letter-spacing:.04em;color:#fff;
  padding:2px 8px;border-radius:10px;background:rgba(18,24,32,.38);text-shadow:0 1px 2px rgba(0,0,0,.35);
  transform-origin:50% 100%;will-change:transform,opacity;transition:background .6s}
.lbl.me{background:rgba(233,216,180,.28);font-weight:600}
.lbl b{font-weight:600;color:var(--accent);margin-right:5px}
.lbl.wave{background:rgba(233,216,180,.55)}

#top{position:fixed;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:flex-start;
  padding:calc(12px + var(--safe-t)) 14px 0;pointer-events:none;gap:10px}
#top>*{pointer-events:auto}
#brandbox{padding:8px 14px;border-radius:14px;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.brand{font-size:17px;letter-spacing:.18em;font-weight:500}
#clock{font-size:12px;color:var(--ink2);margin-top:2px;letter-spacing:.06em}
#tools{display:flex;gap:8px;align-items:center}
.langs{display:inline-flex;border-radius:12px;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:3px}
.langs button{border:0;background:none;padding:6px 10px;border-radius:9px;font-size:13px;color:var(--ink2);min-width:38px;min-height:32px}
.langs button.on{background:rgba(255,255,255,.18);color:var(--ink)}
.icon{border:0;width:40px;height:40px;border-radius:12px;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:grid;place-items:center}
#btnSound .mute{display:inline}#btnSound .waves{display:none}
#btnSound[aria-pressed=true] .mute{display:none}#btnSound[aria-pressed=true] .waves{display:inline}

#previewBadge{position:fixed;top:calc(78px + var(--safe-t));left:14px;font-size:12px;padding:5px 10px;border-radius:10px;background:rgba(233,216,180,.25);backdrop-filter:blur(6px)}

#status{position:fixed;left:14px;bottom:calc(14px + var(--safe-b));font-size:12.5px;color:var(--ink2);padding:7px 12px;border-radius:12px;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);letter-spacing:.04em}
#status .dot{margin:0 6px;opacity:.6}
#sitTimer{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + var(--safe-b));font-size:13px;letter-spacing:.12em;color:var(--ink2);padding:4px 12px;border-radius:10px;background:rgba(22,30,40,.28)}
#actions{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + var(--safe-b));display:flex;gap:10px}
.act{white-space:nowrap;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  padding:0 18px;min-height:48px;min-width:84px;border-radius:24px;font-size:15px;letter-spacing:.1em;transition:background .3s,transform .15s}
.act:active{transform:scale(.97)}
.act:hover{background:var(--glass2)}
.act.on{background:rgba(233,216,180,.28)}

#toast{position:fixed;left:50%;top:calc(90px + var(--safe-t));transform:translateX(-50%);max-width:min(88vw,460px);text-align:center;
  font-size:14px;padding:9px 16px;border-radius:14px;background:var(--glass2);backdrop-filter:blur(8px);opacity:0;transition:opacity .5s;pointer-events:none}
#toast.show{opacity:1}

.panel{position:fixed;right:14px;top:calc(64px + var(--safe-t));width:min(92vw,320px);padding:14px 16px;border-radius:16px;
  background:rgba(20,28,38,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);font-size:14px;z-index:5}
.panel .row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0}
.panel .row.head{font-size:15px;letter-spacing:.12em;margin-top:0}
.panel .close{border:0;background:none;font-size:22px;line-height:1;color:var(--ink2);width:36px;height:36px}
.panel input[type=range]{width:100%;accent-color:#e9d8b4}
.panel label.row input{max-width:62%}
.panel .block{margin:10px 0;padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.panel .small{font-size:12px}
.muted{color:var(--ink2)}
.wide{width:100%;min-height:42px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.08);margin:6px 0}
.link{border:0;background:none;color:var(--accent);text-decoration:underline;padding:4px}
.seg{display:inline-flex;background:rgba(255,255,255,.06);border-radius:10px;padding:2px}
.seg button{border:0;background:none;padding:6px 10px;border-radius:8px;font-size:13px;color:var(--ink2)}
.seg button.on{background:rgba(255,255,255,.18);color:var(--ink)}
#hint{left:50%;right:auto;top:auto;bottom:calc(150px + var(--safe-b));transform:translateX(-50%)}
#hint ul{margin:6px 0 10px;padding-left:18px;line-height:1.9;color:var(--ink2)}

#enter{position:fixed;inset:0;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 40%,rgba(10,16,24,.15),rgba(10,16,24,.55));z-index:10;padding:20px}
#enter .card{width:min(92vw,400px);text-align:center;padding:30px 26px 22px;border-radius:22px;background:rgba(20,28,38,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line)}
.brand.big{font-size:40px;font-weight:400;letter-spacing:.32em;margin:4px 0 6px;padding-left:.32em}
html[lang=en] .brand.big{letter-spacing:.08em;padding-left:0;font-size:34px}
.tagline{margin:0 0 22px;color:var(--ink2);letter-spacing:.14em}
#nameForm label{display:block;font-size:14px;color:var(--ink2);margin-bottom:8px}
#nameInput{width:100%;font:inherit;font-size:18px;text-align:center;padding:12px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.1);color:var(--ink);outline:none;user-select:text;-webkit-user-select:text}
#nameInput:focus{border-color:rgba(233,216,180,.6)}
.err{min-height:20px;font-size:12.5px;color:#f2c0a8;margin:6px 0}
.suggest{font-size:12.5px;color:var(--ink2)}
#chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:8px 0 18px}
#chips button{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:16px;padding:6px 12px;font-size:13.5px;min-height:34px}
.primary{width:100%;min-height:50px;border-radius:16px;border:0;background:rgba(233,216,180,.85);color:#25303a;font-size:16px;letter-spacing:.16em}
.enterLangs{margin-top:16px}
body.entering #top{justify-content:flex-end}
body.entering #tools .langs,body.entering #actions,body.entering #status,body.entering #sitTimer,body.entering #brandbox,body.entering #previewBadge,body.entering #labels{display:none}
#conn{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 18px;border-radius:14px;background:var(--glass2);font-size:14px;z-index:11}

@media (max-width:560px){
  .brand{font-size:15px}
  #brandbox{padding:6px 11px}
  .langs button{padding:5px 7px;min-width:32px}
  .act{min-width:0;padding:0 14px;font-size:14px}
  #status{bottom:calc(76px + var(--safe-b));font-size:12px}
  #sitTimer{bottom:calc(122px + var(--safe-b))}
  #hint{bottom:calc(170px + var(--safe-b))}
}
@media (max-height:460px) and (orientation:landscape){
  #status{bottom:calc(14px + var(--safe-b))}
  #actions{left:auto;right:14px;transform:none}
  #sitTimer{left:auto;right:14px;transform:none;bottom:calc(72px + var(--safe-b))}
  #enter .card{padding:14px 18px}
  .brand.big{font-size:28px}
  #chips{margin:4px 0 8px}
}

/* consent + chat */
.pill{position:fixed;left:50%;transform:translateX(-50%);top:calc(130px + var(--safe-t));display:flex;align-items:center;gap:8px;
  font-size:13.5px;padding:7px 8px 7px 14px;border-radius:16px;background:var(--glass2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:4;max-width:92vw}
.pill .x,#chat .x{border:0;background:none;color:var(--ink2);font-size:18px;width:30px;height:30px;line-height:1}
#talkInvite{top:auto;bottom:calc(84px + var(--safe-b))}
.card.small{position:fixed;right:14px;top:calc(120px + var(--safe-t));width:min(86vw,270px);padding:12px 14px 10px;border-radius:14px;
  background:rgba(20,28,38,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);font-size:14px;z-index:5}
.card.small .btns{display:flex;gap:8px;margin-top:10px}
.soft{flex:1;min-height:38px;border-radius:11px;border:0;background:rgba(233,216,180,.8);color:#25303a;font-size:14px}
.soft.ghost{background:rgba(255,255,255,.1);color:var(--ink)}
.card.small .bar{height:2px;margin-top:10px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden}
.card.small .bar i{display:block;height:100%;background:rgba(233,216,180,.6);transform-origin:left}
#chat{position:fixed;right:14px;bottom:calc(84px + var(--safe-b));width:min(86vw,300px);height:230px;display:flex;flex-direction:column;
  border-radius:14px;background:rgba(20,28,38,.66);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);z-index:4;font-size:13.5px}
#chat .chead{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 0 12px;letter-spacing:.08em;color:var(--ink2);font-size:12.5px}
#chat .cnote{padding:0 12px 4px;font-size:11px;color:rgba(244,239,230,.5)}
#chatList{flex:1;overflow-y:auto;padding:2px 12px;line-height:1.55;user-select:text;-webkit-user-select:text;overflow-wrap:anywhere}
#chatList .line{margin:3px 0}
#chatList .line b{font-weight:600;color:var(--accent);margin-right:6px}
#chatList .line.mine b{color:#cfe0c4}
#chatList .line.sys{color:rgba(244,239,230,.5);font-size:12px}
#chatForm{display:flex;gap:6px;padding:8px}
#chatInput{flex:1;min-width:0;font:inherit;font-size:14px;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--ink);outline:none;user-select:text;-webkit-user-select:text}
#chatForm button{border:0;border-radius:10px;padding:0 12px;background:rgba(233,216,180,.75);color:#25303a;font-size:13px}
.act.dot{position:relative}
.act.dot::after{content:"";position:absolute;top:8px;right:10px;width:7px;height:7px;border-radius:50%;background:#e9d8b4}
body.entering #reqWait,body.entering #reqPrompt,body.entering #chat,body.entering #talkInvite{display:none}
@media (max-width:560px){
  #chat{right:8px;left:8px;width:auto;height:190px;bottom:calc(124px + var(--safe-b))}
  .card.small{right:8px;top:calc(110px + var(--safe-t))}
  .act{padding:0 11px}
  #actions{gap:6px}
}
@media (max-height:460px) and (orientation:landscape){
  #chat{bottom:calc(72px + var(--safe-b));height:170px}
}