:root{--bg: #111315;--surface: #1b1e21;--surface-active: #2a2f34;--border: #2a2f34;--text: #e8eaed;--muted: #8a9199;--accent: #5ac8fa;--danger: #ff453a;--radius: 12px;color-scheme:dark light}@media(prefers-color-scheme:light){:root{--bg: #f4f5f6;--surface: #ffffff;--surface-active: #e6e8ea;--border: #d9dcdf;--text: #15181b;--muted: #5b636b;--accent: #0a84c8;--danger: #d70015}}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:flex;flex-direction:column;min-height:100dvh;padding:max(env(safe-area-inset-top),16px) 16px max(env(safe-area-inset-bottom),16px);-webkit-tap-highlight-color:transparent}.app-header{display:flex;align-items:baseline;gap:12px;margin:0 4px 16px}.app-header h1{margin:0;font-size:1.25rem;font-weight:650;letter-spacing:.02em}.status{font-size:.75rem;color:var(--accent);border:1px solid currentColor;border-radius:999px;padding:2px 8px}.board{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;align-content:start}.pad{position:relative;aspect-ratio:1;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font:inherit;font-weight:550;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:8px;touch-action:manipulation;-webkit-user-select:none;user-select:none;transition:background-color .12s ease,transform .12s ease,border-color .12s ease}.pad:hover{border-color:var(--muted)}.pad:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pad:active,.pad.is-active{background:var(--surface-active);border-color:var(--accent);transform:scale(.96)}.pad__label{font-size:.95rem}.pad__key{position:absolute;top:8px;right:10px;font-size:.7rem;color:var(--muted);font-variant-numeric:tabular-nums}.stop-all{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin:0 0 16px;padding:12px 16px;border:1px solid var(--danger);border-radius:999px;background:transparent;color:var(--danger);font:inherit;font-weight:600;letter-spacing:.02em;cursor:pointer;touch-action:manipulation;transition:background-color .12s ease,color .12s ease}.stop-all__glyph{font-size:.8em;line-height:1}.stop-all.is-playing{background:var(--danger);color:#fff}.stop-all:hover{background:color-mix(in srgb,var(--danger) 12%,transparent)}.stop-all.is-playing:hover{background:color-mix(in srgb,var(--danger) 85%,#000)}.stop-all:focus-visible{outline:2px solid var(--danger);outline-offset:2px}.pad.is-looping{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset;animation:pad-pulse 1.1s ease-in-out infinite}@keyframes pad-pulse{0%,to{box-shadow:0 0 0 1px var(--accent) inset,0 0 0 0 transparent}50%{box-shadow:0 0 0 1px var(--accent) inset,0 0 12px color-mix(in srgb,var(--accent) 50%,transparent)}}.config{margin-top:24px;padding:18px 18px 22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.config__title{margin:0 0 12px;font-size:.8rem;font-weight:650;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.config__row{display:flex;align-items:center;gap:16px;min-height:56px;padding:8px 0;font-size:1.15rem}.config__row--toggle{cursor:pointer;font-weight:550}.config__row[data-disabled]{opacity:.45}.config__row input[type=checkbox]{flex:none;width:32px;height:32px;accent-color:var(--accent);cursor:pointer}.config__row label{flex:none}.config__row input[type=range]{flex:1;height:44px;margin:0;background:transparent;cursor:pointer;--fill: 0%;-webkit-appearance:none;-moz-appearance:none;appearance:none}.config__row input[type=range]::-webkit-slider-runnable-track{height:16px;border-radius:999px;background:linear-gradient(to right,var(--accent) 0 var(--fill),var(--border) var(--fill) 100%)}.config__row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:36px;height:36px;margin-top:-10px;border-radius:50%;background:var(--accent);border:3px solid var(--surface);box-shadow:0 1px 4px #0006}.config__row input[type=range]::-moz-range-track{height:16px;border-radius:999px;background:var(--border)}.config__row input[type=range]::-moz-range-progress{height:16px;border-radius:999px;background:var(--accent)}.config__row input[type=range]::-moz-range-thumb{width:36px;height:36px;border-radius:50%;background:var(--accent);border:3px solid var(--surface);box-shadow:0 1px 4px #0006}.config__row input[type=range]:focus-visible::-webkit-slider-thumb{outline:2px solid var(--accent);outline-offset:2px}.config__row input[type=range]:focus-visible::-moz-range-thumb{outline:2px solid var(--accent);outline-offset:2px}.config__value{flex:none;min-width:4ch;text-align:right;font-size:1.15rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text)}.app-footer{margin:16px 4px 0;color:var(--muted);font-size:.8rem}@media(prefers-reduced-motion:reduce){.pad{transition:none}.pad:active,.pad.is-active{transform:none}.pad.is-looping{animation:none}}