:root{color-scheme:light dark;--bg: #f8f9f6;--surface: #fff;--raised: #f3f5ef;--text: #161914;--muted: #62685b;--line: #dde2d5;--accent: #b9f66b;--accent-text: #172309;--error: #b82e34;font-family:Arial,Helvetica,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}@media(prefers-color-scheme:dark){:root{--bg: #000;--surface: #090a09;--raised: #11130f;--text: #f1f3ed;--muted: #8c9186;--line: #262923;--accent: #c2f970;--accent-text: #162206;--error: #ff8989}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,input,a,label{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;border:0}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,label:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}a{color:inherit;text-decoration:none}button:not(:disabled):hover{filter:brightness(.93)}[hidden]{display:none!important}.shell{max-width:688px;padding:0 24px 32px;margin:auto;transition:max-width .2s}.shell.wide{max-width:1400px}.header{height:96px;display:flex;align-items:center}.shell.wide .header{height:64px}.brand{font-size:25px;font-weight:700;letter-spacing:-1px;display:flex;align-items:center}.brand-mark{display:flex;align-items:center;justify-content:center;width:32px;height:32px;margin-right:10px;border-radius:8px;background:var(--accent);color:#101708}.brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.intro{padding:24px 0 28px}h1{font-size:36px;line-height:1.15;letter-spacing:-1.2px;font-weight:500;margin:0 0 12px}.intro p{color:var(--muted);font-size:14px;line-height:1.6;margin:0}.panel{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}.start-body{display:flex;flex-direction:column;gap:24px;padding:24px}.options{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;font-size:13px}.option label{color:var(--muted);margin-right:12px}.option select{padding:6px;border:1px solid var(--line);border-radius:4px;color:var(--text);background:var(--raised);max-width:100%}.check{display:flex;align-items:center;gap:8px;color:var(--muted)}.check input{accent-color:var(--accent)}.primary,.secondary{border-radius:6px;padding:13px 16px;font-size:13px;white-space:nowrap;display:inline-flex;gap:18px;align-items:center;justify-content:center}.primary{background:var(--accent);color:var(--accent-text);font-weight:600}.primary.big{padding:22px 16px;font-size:16px}.secondary{background:var(--raised);border:1px solid var(--line);color:var(--text)}.join{padding:24px;border-top:1px solid var(--line)}.join label,.field-label{display:block;color:var(--muted);font-size:12px;margin-bottom:10px}.join-row{display:flex;gap:10px}.join-row input{min-width:0;width:100%;background:var(--raised);border:1px solid var(--line);border-radius:6px;color:var(--text);padding:13px;font:16px monospace;letter-spacing:1px}.session-panel{padding:24px}.session-header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}.session-header h2{font-weight:500;font-size:21px;letter-spacing:-.5px;margin:0}.text-button{color:var(--muted);font-size:12px;background:none;padding:4px 0;white-space:nowrap}.pairing{display:flex;justify-content:space-between;align-items:center;background:var(--raised);border:1px solid var(--line);border-radius:8px;padding:22px;gap:20px}.share-code{font:27px monospace;letter-spacing:2px;margin:14px 0 18px}.pairing p{color:var(--muted);font-size:11px;margin:14px 0 0}#qr{width:118px;height:118px;border-radius:6px}.fine-print{font-size:11px;color:var(--muted);line-height:1.7;margin:0}#host-hint:not(:empty){margin-top:16px}.metrics{display:flex;justify-content:space-between;gap:16px;padding:4px 0 8px}.metrics>div{display:flex;flex-direction:column;gap:9px}.metrics strong{font-size:22px;font-weight:400;letter-spacing:-.7px}.metrics>div>span{font-size:11px;color:var(--muted)}.viewer{display:flex;flex-direction:column;gap:12px}.stage{position:relative;background:#000;border:1px solid var(--line);border-radius:12px;overflow:hidden;aspect-ratio:16 / 9;max-height:calc(100vh - 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