:root{--bg:#fff;--surface:#f6f7f9;--border:#e3e5e8;--border-strong:#b9bec7;--text:#1a1a1a;--muted:#6b6b6b;--accent:#3b6fe0;--on-accent:#fff;--error:#c4321b;--bar:#c3c9d4;--compare:#e5a50a;--swap:#e0563b;--held:#7a5af5;--sorted:#2f9e5b;--mark:#d6336c;--stripes:repeating-linear-gradient(-45deg, transparent 0 5px, #ffffff4d 5px 8px);--ready-bg:#fff;--chip-bg:#eceef2;--chip-border:#d2d6dd;--ready-text:var(--text);--idle-bg:var(--surface);--idle-text:var(--muted);--inspect-filter:brightness(.8);--code-active:#e8eefc;--tok-keyword:#8a3fd1;--tok-builtin:#1f7a8c;--tok-number:#b35c00;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}:root[data-theme=dark]{--bg:#121316;--surface:#1b1d21;--border:#2c2f35;--border-strong:#4a4f58;--text:#e8e8ea;--muted:#9a9aa2;--accent:#7b9ef0;--on-accent:#10131a;--error:#ff8a73;--bar:#4a505c;--compare:#f0b429;--swap:#ff7a5c;--held:#a38bff;--sorted:#3fbf74;--mark:#f06595;--ready-bg:#e4e6ea;--chip-bg:#2a2e35;--chip-border:#464b55;--ready-text:#15171a;--idle-bg:#2a2d33;--idle-text:#b4b8bf;--inspect-filter:brightness(1.35);--code-active:#1e2a44;--tok-keyword:#c792ea;--tok-builtin:#6cc3d5;--tok-number:#f2a65a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.array-input{position:relative}.array-input input{border:1px solid var(--border);background:var(--bg);border-radius:8px;width:100%;height:40px;padding:0 10px;font-family:ui-monospace,SF 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kbd{background:#7f7f7f4d;border-radius:3px;padding:0 4px;font-family:inherit;font-size:11px}.array-editor{z-index:20;background:var(--bg);border-radius:8px;position:absolute;top:0;left:0;right:0;box-shadow:0 8px 24px #0000002e}.array-editor textarea{border:1px solid var(--accent);background:var(--bg);resize:vertical;border-radius:8px 8px 0 0;outline:none;width:100%;padding:9px 10px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:15px;line-height:1.5;display:block}.array-editor-hint{border:1px solid var(--accent);background:var(--surface);color:var(--muted);border-top:none;border-radius:0 0 8px 8px;padding:4px 10px;font-size:12px}.array-view{--lane-height:clamp(140px, calc(100vh - 520px), 280px);--lift-room:16px;--aux-gap:98px;touch-action:pan-y;-webkit-user-select:none;user-select:none}.array-lane{z-index:1;height:var(--lane-height);margin-top:var(--lift-room);position:relative}.array-view.has-lift{--lane-height:clamp(140px, calc(100vh - 570px), 260px);--lift-room:64px}.array-view.has-aux{--lane-height:clamp(100px, calc((100vh - 540px) / 2), 200px)}.slot{height:100%;transition:transform var(--move-ms) ease-in-out, opacity .2s;flex-direction:column;justify-content:flex-end;align-items:center;display:flex;position:absolute;bottom:0;left:0}.slot.is-outside{opacity:.3}.slot.is-inspected{z-index:1}.bar{width:calc(100% - clamp(1px,16%,6px));height:var(--bar-height);background:var(--bar);border-radius:6px 6px 2px 2px;min-height:6px;transition:background-color .12s,filter .12s}.compact .bar{border-radius:3px 3px 0 0;min-height:2px}.is-inspected .bar{filter:var(--inspect-filter)}.value{font-variant-numeric:tabular-nums;white-space:nowrap;height:24px;font-size:15px;font-weight:600;line-height:24px}.value sup{color:var(--muted);margin-left:1px;font-size:10px;font-weight:500}.compact .value{visibility:hidden}.compact .is-inspected .value{visibility:visible;background:var(--bg);border-radius:4px;padding:0 4px}.is-sorted .bar{background:var(--sorted)}.is-held .bar{background:var(--held)}.is-held .value{color:var(--held)}.is-pivot .bar,.is-min .bar{background:var(--mark)}.is-pivot .value,.is-min .value{color:var(--mark)}.is-compare .bar{background:var(--compare)}.array-view:not(.compact) .is-compare .bar{box-shadow:0 0 0 2px var(--bg), 0 0 0 4px var(--compare)}.is-swap .bar,.is-write .bar{background:var(--swap) var(--stripes)}.gap .bar{border:2px dashed var(--border-strong);background:0 0}.ghost .bar{border:2px dashed var(--border-strong);background:0 0;border-bottom:none}.ghost .value{color:var(--muted);font-weight:400}.compact .ghost .value{visibility:hidden}.array-indices{border-top:1px solid var(--border);height:24px;padding-top:4px;display:flex;position:relative}.array-indices span{text-align:center;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.array-indices .index-reveal{position:absolute;top:4px;transform:translate(-50%)}.array-indices 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dt{color:var(--muted)}.counters dd{font-variant-numeric:tabular-nums;margin:0;font-weight:600}@media (width<=900px){.stage-body{grid-template-columns:minmax(0,1fr)}.stage-side{padding-top:0}}@media (width<=600px){.stage{padding:12px}.narration-text{font-size:16px}.app>.player-controls{z-index:5;padding:10px max(16px, calc((100vw - 1200px) / 2 + 16px)) calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg);position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 12px #0000000a}.counters{gap:16px}}