:root{color-scheme:dark;--bg:#0b1014;--panel:#121a20;--line:#27343d;--text:#ecf2f4;--muted:#96a7b2;--accent:#c3ed9c;--danger:#ffc1b8;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a,select,input{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}.topbar{max-width:1440px;margin:auto;height:100px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{color:var(--text);text-decoration:none;display:flex;gap:12px;align-items:center;font-weight:650;font-size:15px;letter-spacing:.2px}.brand small{color:var(--muted);font-weight:400;margin-left:10px}.brand-icon{width:35px;height:35px;border:1px solid #788d75;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:23px;color:var(--accent);position:relative}.brand-icon span{font-size:17px;position:absolute;right:-3px;top:-6px;background:var(--bg)}.private-badge{font-size:12px;border:1px solid var(--line);padding:8px 12px;border-radius:99px;color:var(--muted)}main{max-width:1440px;padding:42px 5% 0;margin:auto}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;gap:20px}.eyebrow{font-size:11px;letter-spacing:2.6px;color:var(--accent);margin:0 0 16px}h1{font-weight:550;font-size:clamp(26px,3vw,40px);letter-spacing:-1px;line-height:1.25;margin:0 0 14px}.intro{color:var(--muted);font-size:14px;margin:0;line-height:1.7}.status{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:12px;color:var(--muted)}.status b{font-weight:500}.status>span,.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7b8b96}.status[data-live=true]>span{background:var(--accent);box-shadow:0 0 0 4px #c3ed9c13}.status[data-live=true]{color:var(--accent)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.stage-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel)}.stage-toolbar{height:49px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;font-size:11px;gap:10px}.stage-toolbar b{font-weight:500;color:#c1cdd4;margin-left:5px}#modeBadge{color:var(--muted);font-variant-numeric:tabular-nums}.stage{aspect-ratio:16/9;position:relative;display:grid;place-items:center;background:#0e151a;border-top:1px solid #202c34;border-bottom:1px solid #202c34}.stage video{width:100%;height:100%;position:absolute;inset:0;object-fit:contain;background:#000}.stage:fullscreen{width:100vw;height:100vh}.placeholder{text-align:center;padding:24px}.screen-icon{margin:0 auto 26px;width:75px;height:49px;border:2px solid #506149;border-radius:8px;display:grid;place-items:center;position:relative;color:var(--accent);font-size:30px}.screen-icon:after{content:'';position:absolute;bottom:-9px;width:26px;border-bottom:2px solid #506149}.placeholder h2{font-size:18px;letter-spacing:.4px;font-weight:500;margin:0 0 12px}.placeholder p{font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 20px}.subtle-pill{border:1px solid #2d3b30;color:#9eaf98;border-radius:99px;padding:6px 10px;font-size:10px}.stage-footer{min-height:53px;padding:10px 16px;display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:10px;line-height:1.5}.stage-footer>div{display:flex;gap:12px;flex-shrink:0}.text-button{border:0;background:none;color:var(--accent);padding:5px 0;font-size:11px}.controls{display:flex;flex-direction:column;gap:18px}.panel{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.section-heading h2{font-size:14px;font-weight:550;margin:0}.section-heading>span{font-size:10px;color:#728591;font-family:monospace}.field-label{display:block;font-size:11px;color:#aabac4;margin:0 0 9px}input:not([type=checkbox]),select{width:100%;color:var(--text);background:#0d1419;border:1px solid #30404b;padding:11px 10px;border-radius:7px;font-size:11px;min-height:39px}input::placeholder{color:#6f818c}select{cursor:pointer}.field-help{font-size:10px;color:#8296a3;line-height:1.8;margin:9px 0 16px}.toggle{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;margin:18px 0;cursor:pointer}.toggle small{display:block;font-size:10px;color:#8296a3;line-height:1.6;margin-top:5px}.toggle input{appearance:none;min-width:30px;width:30px;height:18px;background:#394751;border-radius:99px;position:relative;margin:0;cursor:pointer}.toggle input:after{content:'';position:absolute;top:3px;left:3px;width:12px;height:12px;border-radius:50%;background:#b1bdc4;transition:transform .15s}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{transform:translateX(12px);background:#22321b}.primary,.secondary,.danger{width:100%;min-height:42px;border-radius:8px;font-size:12px;font-weight:550;padding:11px 14px;margin-top:12px}.primary{display:flex;justify-content:space-between;align-items:center;background:var(--accent);border:1px solid var(--accent);color:#15230c}.primary:hover:not(:disabled){background:#d0f5ae}.secondary{color:#c3d0d8;border:1px solid #354550;background:transparent}.secondary:hover:not(:disabled){background:#1c2931}.danger{color:var(--danger);background:#3d242633;border:1px solid #694044}.config-note{font-size:10px;color:#8296a3;margin:13px 0 0;line-height:1.8}.invitation p,.panel>p{font-size:11px;line-height:1.8;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:12px;margin-top:22px;padding:20px 0;background:#10181d}.metrics>div{padding:0 22px;min-width:0;border-right:1px solid var(--line)}.metrics>div:last-child{border:0}.metrics span{color:#8296a3;display:block;font-size:10px;margin-bottom:12px}.metrics strong{font-size:20px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.5px}.metrics small{font-size:10px;letter-spacing:0;color:var(--muted)}#performance{font-size:13px;color:var(--accent);letter-spacing:0}.notice{border-left:3px solid var(--accent);background:#1a261e;padding:13px 16px;font-size:12px;color:#d4e5cb;line-height:1.8;margin-top:20px}.notice[data-error=true]{border-color:var(--danger);background:#2c1d20;color:#ffd3ce}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:42px}.principles span{font-size:11px;color:#c3cfc8}.principles p{color:#768c99;font-size:11px;line-height:1.9;max-width:300px;margin-top:12px}footer{border-top:1px solid var(--line);margin-top:28px;padding:22px 0 28px;display:flex;justify-content:space-between;font-size:10px;color:#6e838f}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(min-width:1500px){main{padding-top:55px}}@media(max-width:1000px){.workspace{grid-template-columns:minmax(0,1fr) 270px;gap:16px}.panel{padding:18px}.stage-footer{flex-direction:column;align-items:flex-start}.metrics>div{padding:0 14px}.metrics strong{font-size:17px}.placeholder h2{font-size:16px}}@media(max-width:760px){.topbar{height:75px;padding:0 6%}.private-badge{font-size:10px;padding:7px 9px}.brand{font-size:12px}.brand small{display:none}main{padding:30px 6% 0}.heading{align-items:flex-start;margin-bottom:24px}.eyebrow{font-size:9px;letter-spacing:2px}h1{font-size:26px}.intro{font-size:12px;max-width:250px}.status{margin-top:4px;font-size:10px}.workspace{grid-template-columns:1fr}.stage-toolbar{padding:0 13px;height:42px;font-size:10px}.placeholder{padding:20px 12px}.screen-icon{width:51px;height:33px;font-size:24px;margin-bottom:20px}.placeholder h2{font-size:14px}.placeholder p{font-size:10px;margin-bottom:10px}.subtle-pill{font-size:9px;padding:4px 8px}.stage-footer{min-height:45px;gap:3px;font-size:9px}.stage-footer>div{align-self:flex-end}.panel{padding:20px}.controls{gap:16px}.metrics{grid-template-columns:repeat(3,1fr);padding:16px 0 0;row-gap:20px}.metrics>div{padding:0 13px 15px}.metrics>div:nth-child(3){border-right:0}.metrics>div:nth-child(4){grid-column:1/3}.metrics span{font-size:9px;margin-bottom:8px}.metrics strong{font-size:18px}.principles{grid-template-columns:1fr;gap:12px;margin-top:30px}.principles p{max-width:none;margin-top:7px;font-size:10px}footer{font-size:9px;gap:10px}.field-help{font-size:11px}select,input:not([type=checkbox]){font-size:12px}.config-note{font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Keep the exit control reachable in browser fullscreen and the iOS/webview window fallback. */
html.watch-expanded{overflow:hidden}
.stage.waiting-video .placeholder{position:absolute;inset:0;z-index:1;background:#0e151a;display:flex;flex-direction:column;align-items:center;justify-content:center}
.stage-card.is-expanded,.stage-card:fullscreen{position:fixed;inset:0;z-index:10000;width:100%;height:100vh;height:100dvh;max-width:none;max-height:none;display:flex;flex-direction:column;border:0;border-radius:0;background:#000;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.stage-card:-webkit-full-screen{position:fixed;inset:0;z-index:10000;width:100%;height:100vh;display:flex;flex-direction:column;border:0;border-radius:0;background:#000}
.stage-card.is-expanded .stage,.stage-card:fullscreen .stage{width:100%;height:auto;min-height:0;flex:1;aspect-ratio:auto;border:0;background:#000}
.stage-card:-webkit-full-screen .stage{width:100%;height:auto;min-height:0;flex:1;aspect-ratio:auto;border:0;background:#000}
.stage-card.is-expanded .stage-toolbar,.stage-card.is-expanded .stage-footer,.stage-card:fullscreen .stage-toolbar,.stage-card:fullscreen .stage-footer{flex-shrink:0;background:#10181d}
.stage-card:-webkit-full-screen .stage-toolbar,.stage-card:-webkit-full-screen .stage-footer{flex-shrink:0;background:#10181d}
.stage-card.is-expanded .stage-footer,.stage-card:fullscreen .stage-footer{flex-direction:row;align-items:center;font-size:11px}
.stage-card.is-expanded #fullscreen,.stage-card:fullscreen #fullscreen{min-height:40px;min-width:88px;font-size:13px;padding:8px}
@media(max-width:760px){.stage-card.is-expanded .stage-footer>span,.stage-card:fullscreen .stage-footer>span{display:none}.stage-card.is-expanded .stage-footer,.stage-card:fullscreen .stage-footer{justify-content:flex-end}}
.watch-entry{color:var(--accent);text-decoration:none;font-size:12px;border:1px solid #42563b;border-radius:99px;padding:9px 13px;white-space:nowrap}.watch-entry:hover{background:#c3ed9c12}@media(max-width:760px){.watch-entry{font-size:11px;padding:8px 10px}}

.connection-diagnostics{margin-top:20px}.connection-diagnostics summary{cursor:pointer;font-size:13px;color:var(--accent)}.connection-diagnostics pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto;font-size:11px;line-height:1.6;color:var(--muted)}

/* One compact header keeps the shared picture close to the top of the page. */
.topbar{display:grid;grid-template-columns:max-content minmax(0,1fr) max-content;gap:24px;height:auto;min-height:76px;padding:12px 5%}
.topbar .brand{font-size:14px;gap:10px}
.topbar .brand-icon{width:32px;height:32px}
.page-info{min-width:0}
.page-info h1{font-size:18px;font-weight:550;letter-spacing:0;line-height:1.3;margin:0 0 4px}
.page-info .intro{font-size:11px;line-height:1.5;max-width:none}
.topbar-actions{display:flex;align-items:center;gap:18px}
.topbar .status{font-size:11px;margin:0}
main{padding:20px 5% 0}
@media(max-width:1000px){.topbar{gap:18px}.page-info .intro{font-size:10px}.topbar-actions{gap:12px}}
@media(max-width:760px){
  .topbar{grid-template-columns:minmax(0,1fr) max-content;gap:10px 14px;min-height:0;padding:12px 6%}
  .topbar .brand{grid-column:1;grid-row:1;font-size:12px}
  .topbar .brand-icon{width:28px;height:28px;font-size:20px}
  .page-info{grid-column:1;grid-row:2}
  .page-info h1{font-size:16px;margin:0}
  .page-info .intro{display:none}
  .topbar-actions{display:contents}
  .topbar .status{grid-column:2;grid-row:2;justify-self:end;font-size:10px}
  .topbar .watch-entry{grid-column:2;grid-row:1;justify-self:end;font-size:11px;padding:7px 10px}
  main{padding:14px 6% 0}
}