:root{color-scheme:dark;--ink:#eeeae1;--muted:#a3a9b2;--gold:#e8c88b;--panel:#191e26;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#11151b;color:var(--ink)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 70% -35%,#36443855,transparent 66%),#11151b;min-height:100vh}main{max-width:1500px;margin:auto;padding:48px 40px 26px}header{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:30px}.eyebrow{font-size:11px;letter-spacing:.19em;font-weight:650;color:var(--gold);margin:0 0 20px}h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.04em;font-size:clamp(34px,4vw,56px);line-height:1.08;margin:0}h1 span{color:var(--muted)}.intro{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 4px}.comparison{border:1px solid #ffffff1b;background:var(--panel);border-radius:12px;overflow:hidden;box-shadow:0 20px 60px #0003}.toolbar{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;font-size:13px}.toolbar label{display:flex;gap:14px;align-items:center;color:var(--muted)}select{background:#10151d;border:1px solid #ffffff28;border-radius:6px;padding:9px 32px 9px 12px;color:var(--ink);font:inherit;max-width:100%;cursor:pointer}.versus{color:#707986;font-size:12px}.reference{display:flex;gap:9px;align-items:center;color:var(--gold)}.reference i{width:6px;height:6px;background:var(--gold);border-radius:50%}.stage{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden;isolation:isolate;contain:layout paint style}.stage video{position:absolute;width:100%;height:100%;inset:0;object-fit:contain;background:#000;display:block}.before{position:absolute;inset:0;clip-path:inset(0 50% 0 0);pointer-events:none;will-change:clip-path}.side-label{position:absolute;top:18px;padding:6px 9px;background:#10151ccc;border:1px solid #ffffff24;border-radius:3px;font-size:10px;letter-spacing:.08em;pointer-events:none}.left-label{left:18px}.right-label{right:18px;color:var(--gold)}.divider{position:absolute;top:0;bottom:0;left:0;width:2px;will-change:transform;transform:translate3d(-1px,0,0);background:#fff9;cursor:ew-resize;touch-action:none;outline:none;box-shadow:0 0 8px #0008}.divider:before{content:"";position:absolute;inset:0 -18px}.divider span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;gap:7px;width:46px;height:46px;border-radius:50%;background:#141a21e8;color:var(--gold);border:1px solid #d9c49dbb;font-size:25px;box-shadow:0 2px 16px #0008}.divider b{height:15px;width:1px;background:#e8c88b77}.divider:focus-visible span{outline:3px solid var(--gold);outline-offset:4px}.status{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:30px;background:#0c111ad9;font-size:14px;color:var(--ink);pointer-events:none}.status.hidden{display:none}.status.error{background:#171219e8}.transport{display:flex;align-items:center;gap:16px;padding:14px 20px;min-height:65px}button{font:inherit;font-size:12px;background:transparent;color:var(--ink);border:1px solid #ffffff28;padding:8px 12px;border-radius:5px;cursor:pointer;white-space:nowrap}button:hover{background:#ffffff0b;border-color:#ffffff50}button:disabled{opacity:.4;cursor:wait}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:4px}#play{background:var(--gold);color:#1f2428;border-color:var(--gold);min-width:64px;font-weight:650}#time{font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted);min-width:80px}input[type=range]{accent-color:var(--gold);cursor:pointer;min-width:30px;flex:1;height:18px}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:#939ba7;line-height:1.6;margin-top:12px}kbd{font-family:inherit;display:inline-block;min-width:19px;padding:0 4px;margin-right:3px;background:#ffffff07;border:1px solid #ffffff18;border-radius:3px;font-size:10px}.shortcuts{white-space:nowrap}.shortcuts span{margin:0 8px}.comparison:fullscreen{width:100vw;height:100vh;border-radius:0;display:flex;flex-direction:column;background:#000}.comparison:fullscreen .stage{flex:1;aspect-ratio:auto;min-height:0}.comparison:fullscreen .toolbar,.comparison:fullscreen .transport{background:var(--panel);flex-shrink:0}
@media(max-width:760px){main{padding:28px 14px 16px}header{display:block;margin-bottom:24px}.intro{margin-top:18px;font-size:12px}.eyebrow{margin-bottom:15px}.toolbar{padding:10px 12px;gap:8px;flex-wrap:wrap}.toolbar label{gap:8px;font-size:11px}.reference{font-size:11px}.versus{display:none}.transport{padding:12px 10px;gap:9px;flex-wrap:wrap}#timeline{order:5;flex-basis:100%}#time{flex:1}.side-label{font-size:8px;top:10px}.left-label{left:10px}.right-label{right:10px}.divider span{width:38px;height:38px}.shortcuts{display:none}footer{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
.viewport{background:#000}.comparison:fullscreen .viewport{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}.comparison:fullscreen .stage{flex:none;aspect-ratio:16/9;height:auto}

#quality{font-size:11px;padding:8px 26px 8px 10px}.transport{flex-wrap:wrap}@media(max-width:760px){#quality{order:6;width:100%}}