:root{--bg:#0e0e12;--panel:#17171c;--raised:#202027;--line:#2a2a33;--text:#f2f2f5;--muted:#9a9aa6;--a:#8c66ff;--b:#ee5c9e;--grad:linear-gradient(90deg,var(--a),var(--b))}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
.top{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line)}
.logo{width:30px;height:30px}.brand{font-weight:700}.brand b{background:var(--grad);-webkit-background-clip:text;color:transparent}
.room-name{color:var(--muted);margin-left:8px}.rec-badge{margin-left:auto;color:#ff4d4d;font-weight:700;letter-spacing:.04em}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;margin:28px auto;max-width:980px}
.narrow{max-width:560px}h1{font-size:24px;margin:0 0 6px}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:13px}
label{display:block;margin:12px 0;font-size:13px;color:var(--muted)}
input,select{display:block;width:100%;margin-top:6px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--raised);color:var(--text);font-size:15px}
button,.button{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:var(--raised);color:var(--text);font-size:15px;cursor:pointer;text-decoration:none}
.primary{background:var(--grad);border:0;font-weight:600}.danger{background:#3a1d24;border-color:#5a2a33}
.record{background:#3a1416;border-color:#7a2028;color:#ff6b6b;font-weight:700}.record.on{background:#ff3b3b;color:#fff}
.copy{display:flex;gap:8px}.copy input{margin:0}.error{color:#ff8a65}
.join-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}@media(max-width:760px){.join-grid{grid-template-columns:1fr}}
.preview{position:relative;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.meter{position:absolute;left:12px;right:12px;bottom:12px;height:6px;background:rgba(255,255,255,.15);border-radius:3px;overflow:hidden}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#3ddc84,#ffd54f,#ff5252)}
#roomView{display:flex;flex-direction:column;height:calc(100vh - 56px)}
.grid{flex:1;display:grid;gap:12px;padding:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-content:center}
.tile{position:relative;background:#000;border-radius:14px;overflow:hidden;aspect-ratio:16/9;border:2px solid transparent}
.tile.speaking{border-color:var(--a)}.tile video{width:100%;height:100%;object-fit:cover}.tile.me video{transform:scaleX(-1)}
.tile .label{position:absolute;left:10px;bottom:8px;background:rgba(0,0,0,.55);padding:3px 9px;border-radius:8px;font-size:13px}
.tile .up{position:absolute;right:10px;bottom:8px;background:rgba(0,0,0,.55);padding:3px 9px;border-radius:8px;font-size:12px;color:var(--muted)}
.bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--line);background:var(--panel)}
.bar .spacer{flex:1}.bar button.off{opacity:.5;text-decoration:line-through}

/* Embedded in the Mac app: the app shows title, participants and controls itself. */
body.native .top,body.native #leaveBtn,body.native #recordBtn,body.native #inviteBtn,body.native #uploadStatus{display:none}
body.native #roomView{height:100vh}
body.native .grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px;padding:8px;align-content:start}
body.native .tile{border-radius:10px}
body.native .bar{padding:6px 10px;justify-content:center}
body.native #join.card{margin:8px;padding:14px}
.tile .status{position:absolute;inset:auto 0 50% 0;text-align:center;font-size:14px;color:var(--muted)}
.tile.lost .status{color:#ff9f43}
#tapForSound{position:fixed;left:50%;top:14px;transform:translateX(-50%);background:var(--a);color:#fff;padding:8px 16px;border-radius:20px;font-size:14px;z-index:9;cursor:pointer}