:root{--bg: #f6f7f9;--stage: #eef1f5;--panel: #ffffff;--line: #dbe1e8;--text: #1b2430;--muted: #5f6b7a;--accent: #ff6c0c;--accent-soft: #fff1e7;--radius: 10px;--side: 232px}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.45 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}#app{height:100%;display:grid;grid-template-columns:var(--side) minmax(0,1fr);gap:12px;padding:12px}#sidebar{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 8px;overflow-y:auto;min-height:0}.side-title{margin:0 8px 8px;font-size:11px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.clip-list{list-style:none;margin:0;padding:0}.clip-list button{width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:8px;font:inherit;text-align:left;color:var(--text);background:none;border:0;border-left:3px solid transparent;border-radius:6px;padding:7px 10px 7px 9px;cursor:pointer}.clip-list button:hover{background:#f1f3f6}.clip-list button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.clip-list button[aria-current=true]{background:var(--accent-soft);border-left-color:var(--accent);font-weight:600}.clip-list .dur{flex:none;white-space:nowrap;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;font-weight:400}.clip-select{display:none}#main{display:flex;flex-direction:column;gap:8px;min-width:0;min-height:0}#stage{position:relative;flex:1 1 auto;min-height:240px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--stage)}canvas#view{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}@media(pointer:coarse){canvas#view{touch-action:pan-y}}#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}#fade{position:absolute;inset:0;z-index:2;pointer-events:none;background:var(--stage);opacity:0;transition:opacity .15s ease}#fade.on{opacity:1}#fade.instant{transition:none}.push-hint{position:absolute;left:50%;top:12px;transform:translate(-50%);z-index:1;pointer-events:none;white-space:nowrap;font-size:12.5px;color:var(--text);background:#ffffffd9;border:1px solid var(--line);border-radius:999px;padding:4px 12px;box-shadow:0 1px 4px #1b243014;transition:opacity .6s ease}.push-hint[hidden]{display:none}.push-hint.gone{opacity:0}.notice{position:absolute;left:50%;bottom:12px;transform:translate(-50%);max-width:calc(100% - 24px);z-index:3;font-size:12.5px;color:#fff;background:#1b2430e0;border-radius:8px;padding:6px 12px;box-shadow:0 2px 10px #1b243033}.notice[hidden]{display:none}.robot-label{position:absolute;left:0;top:0;white-space:nowrap;font-size:12px;font-weight:600;color:var(--text);background:#ffffffd9;border:1px solid var(--line);border-radius:999px;padding:2px 9px;box-shadow:0 1px 4px #1b243014;will-change:transform}.robot-label .note{margin-left:6px;font-weight:500;color:var(--accent)}#boot{position:absolute;inset:0;display:grid;place-items:center;background:var(--stage);text-align:center;padding:24px;z-index:2}#boot .bar{width:220px;height:3px;background:#d6dce4;border-radius:2px;overflow:hidden;margin:14px auto 0}#boot .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .25s ease}#boot .boot-detail{margin-top:8px;min-height:1.4em;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}#boot .err-head{margin-bottom:10px;font-weight:600;max-width:560px}#boot .err{color:#b3261e;max-width:560px;margin:0 auto;text-align:left;white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,monospace;font-size:12px}#boot .err-hint{margin-top:10px;color:var(--muted);font-size:12.5px}#boot.hidden{display:none}#controls{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px}.icon-btn{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;border:0;background:var(--accent);color:#fff;cursor:pointer}.icon-btn svg{width:18px;height:18px;fill:currentColor}.icon-btn .i-play{display:none}.icon-btn.paused .i-play{display:block}.icon-btn.paused .i-pause{display:none}.icon-btn:disabled{opacity:.45;cursor:default}.icon-btn:focus-visible{outline:2px solid var(--text);outline-offset:2px}.text-btn{flex:none;display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 12px 0 10px;font:inherit;font-size:13px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:999px;cursor:pointer}.text-btn svg{width:16px;height:16px;fill:currentColor}.text-btn:hover{background:#f1f3f6}.text-btn:disabled{opacity:.45;cursor:default}.text-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.status{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12.5px;font-variant-numeric:tabular-nums}.seg{flex:none;display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg label{position:relative;cursor:pointer}.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:inherit}.seg span{display:block;padding:6px 12px;font-size:13px;color:var(--muted);white-space:nowrap}.seg label+label span{border-left:1px solid var(--line)}.seg input:checked+span{background:var(--accent);color:#fff;font-weight:600}.seg input:disabled+span{opacity:.4;cursor:not-allowed}.seg input:focus-visible+span{outline:2px solid var(--text);outline-offset:-2px}.caption{margin:0 2px;color:var(--muted);font-size:12.5px}.kp-note[hidden]{display:none}.kp-keys{display:inline-flex;flex-wrap:wrap;gap:4px 12px;margin-right:10px;vertical-align:middle}.kp-key{display:inline-flex;align-items:center;gap:5px;color:var(--text);white-space:nowrap}.kp-key i{width:9px;height:9px;border-radius:50%;display:inline-block}.nogl{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:var(--muted)}@media(max-width:720px){#app{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);gap:8px;padding:8px}#sidebar{padding:0;border:0;background:none;overflow:visible}.side-title,.clip-list{display:none}.clip-select{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.clip-select select{flex:1 1 auto;min-width:0;font:inherit;font-size:15px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 8px}#stage{flex:0 1 auto;aspect-ratio:1 / 1;max-height:72vh}.robot-label{font-size:11px;padding:1px 7px}#controls{flex-wrap:wrap;row-gap:8px}.status{flex-basis:0}.seg{width:100%}.seg label{flex:1 1 0;text-align:center}}