:root{--bg: #0b0f14;--panel: #11161d;--panel-raised: #161c25;--line: #1f2833;--line-strong: #2c3846;--text: #e6edf3;--text-muted: #8b98a8;--text-faint: #77869a;--line-interactive: #54647a;--accent: #22d3ee;--accent-dim: #0e7490;--danger: #f87171;--radius: 10px;--mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;padding:20px;display:flex;flex-direction:column;gap:16px;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.brand__mark{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #22d3ee24;align-self:center}.brand h1{margin:0;font-family:var(--mono);font-size:17px;font-weight:600;letter-spacing:-.01em}.brand p{margin:0;color:var(--text-faint);font-size:13px}.toolbar{display:flex;gap:8px;align-items:center}.button{min-height:44px;padding:7px 16px;border:1px solid var(--line-interactive);border-radius:7px;background:var(--panel-raised);color:var(--text);font-family:var(--mono);font-size:12px;cursor:pointer;transition:background .12s ease,border-color .12s ease}.button:hover{background:#1c232d;border-color:#3a4757}.button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.button--primary{border-color:var(--accent-dim);color:var(--accent)}.speed select{min-height:44px;padding:7px 10px;border:1px solid var(--line-interactive);border-radius:7px;background:var(--panel-raised);color:var(--text);font-family:var(--mono);font-size:12px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.stat{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);display:flex;flex-direction:column;gap:4px}.stat__label{color:var(--text-faint);font-size:10px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.09em}.stat__value{font-family:var(--mono);font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}.layout{flex:1;min-height:460px;display:grid;grid-template-columns:1fr 300px;gap:16px}#stage{width:100%;height:100%;min-height:460px;border:1px solid var(--line);border-radius:var(--radius);display:block}.controls{padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);display:flex;flex-direction:column;gap:14px;overflow-y:auto;max-height:calc(100vh - 220px)}.presets{display:flex;flex-wrap:wrap;gap:6px}.preset{min-height:44px;padding:5px 14px;border:1px solid var(--line-interactive);border-radius:999px;background:transparent;color:var(--text-muted);font-family:var(--mono);font-size:11px;cursor:pointer;transition:color .12s ease,border-color .12s ease}.preset:hover{color:var(--accent);border-color:var(--accent-dim)}.preset:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.note{margin:0;padding:10px 12px;border:1px solid var(--accent-dim);border-radius:6px;background:#22d3ee0d;color:var(--text-muted);font-size:12px;line-height:1.55}.control{display:flex;flex-direction:column;gap:7px}.control__label{display:flex;justify-content:space-between;align-items:baseline;color:var(--text-faint);font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.09em}.control__label output{color:var(--text);font-size:12px;text-transform:none;letter-spacing:0;font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:44px;background:transparent;appearance:none;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:var(--line-strong)}input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:var(--line-strong)}input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;margin-top:-7px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}input[type=range]::-moz-range-thumb{width:18px;height:18px;border:2px solid var(--bg);border-radius:50%;background:var(--accent)}input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px}.segmented__item{min-height:44px;padding:7px 6px;border:1px solid var(--line-interactive);border-radius:6px;background:transparent;color:var(--text-muted);font-family:var(--mono);font-size:11px;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.segmented__item:hover{color:var(--text)}.segmented__item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.segmented__item[aria-checked=true]{background:#22d3ee1f;border-color:var(--accent-dim);color:var(--accent)}.footer{color:var(--text-faint);font-size:12px;font-family:var(--mono)}.footer p{margin:0}@media (max-width: 900px){.layout{grid-template-columns:1fr}.controls{max-height:none}#stage{min-height:380px}}@media (prefers-reduced-motion: reduce){.button,.preset,.segmented__item{transition-duration:60ms}}