:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--main-bg: #0c1117;--primary-accent: #00c0ff;--primary-text: #f4f7fb;--panel-bg: 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#00000040;display:inline-flex;align-items:center;justify-content:center}.tap-btn:hover{transform:translateY(-2px)}.panel input[type=number]{width:100%;padding:.65rem .75rem;border-radius:12px;border:1px solid var(--panel-border);background:#00000026;color:var(--primary-text);font-size:1rem}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{appearance:none;margin:0}.accent-panel{align-items:center}.beat-grid{width:min(520px,100%);aspect-ratio:1 / 1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.85rem;margin:0 auto;padding:1rem}.beat-row{display:flex;justify-content:center;gap:.65rem;width:100%}.beat-pill{position:relative;width:var(--beat-pill-size);aspect-ratio:1 / 1;border-radius:50%;border:1px solid var(--panel-border);background:#00000059;display:inline-flex;align-items:center;justify-content:center;transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease}.beat-pill:after{content:"";position:absolute;inset:0;border-radius:50%;background:transparent;opacity:0;pointer-events:none}.beat-pill-core{width:calc(var(--beat-pill-size) / 2);aspect-ratio:1 / 1;border-radius:50%;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .14s ease,box-shadow .14s ease,background .14s ease,opacity .14s ease}.beat-pill-core:focus-visible{outline:none;box-shadow:0 0 0 2px #05060859,0 0 0 4px #ffffff59}.beat-pill-core--accent{background:var(--primary-accent)}.beat-pill-core--normal{background:var(--beat-accent)}.beat-pill-core--silent{background:var(--beat-normal);opacity:.65}.beat-pill--active{transform:translateY(-4px);box-shadow:0 12px 28px #00000059}.beat-pill--active:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--primary-accent);animation:beat-blink .45s ease-out}.beat-pill--precount:before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--precount-accent);animation:pre-count-ring .45s ease-out;pointer-events:none}@keyframes beat-blink{0%{transform:scale(.85);opacity:.45}to{transform:scale(1.15);opacity:0}}@keyframes pre-count-ring{0%{transform:scale(.9);opacity:.9}to{transform:scale(1.2);opacity:0}}.play-area{margin-top:auto;padding-top:1rem;display:flex;justify-content:center;align-items:center;gap:1.5rem;position:sticky;bottom:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.15));-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.sound-bank{display:flex;flex-direction:column;gap:.75rem;margin-right:.5rem;min-width:220px}.sound-bank-row{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:.5rem;font-size:.85rem;color:var(--primary-text)}.sound-bank-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--primary-text)}.sound-select{width:100%;border-radius:999px;border:1px solid var(--panel-border);background:#00000059;color:var(--primary-text);padding:.35rem .75rem;font-size:.85rem}.sound-select:focus-visible{outline:2px solid var(--primary-accent);outline-offset:2px}.sound-chip{width:14px;height:14px;border-radius:50%;display:inline-block}.sound-chip--accent{background:var(--primary-accent)}.sound-chip--normal{background:var(--beat-accent)}.sound-chip--silent{background:var(--beat-normal)}.sound-bank-hint{margin:0;font-size:.75rem;color:var(--muted-text)}.play-btn{width:var(--play-button-size);height:var(--play-button-size);border-radius:50%;border:none;background:var(--primary-accent);color:#050608;font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;box-shadow:0 20px 40px #00000059;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;display:flex;align-items:center;justify-content:center;text-align:center}.play-btn:hover{transform:translateY(-3px);box-shadow:0 24px 50px #0006}.play-btn:active{transform:translateY(-1px)}@media(max-width:600px){body{padding:1.25rem}:root{--beat-pill-size: 36px;--beat-grid-gap: 8px;--play-button-size: 110px;--tap-button-size: calc(var(--play-button-size) * .66)}.tempo-slider-row{flex-direction:column;gap:.75rem}.tempo-slider{max-width:none;width:100%}.tempo-grid{grid-template-columns:1fr}.beat-control-panel{flex-direction:column;align-items:center}.beat-grid-wrapper{width:100%;justify-content:center}.beat-grid{padding:.5rem;gap:var(--beat-grid-gap)}.play-area{flex-direction:column;position:static;width:100%;padding-top:1.5rem;gap:1rem;-webkit-backdrop-filter:none;backdrop-filter:none;background:#00000040}.sound-bank{width:100%;margin-right:0}.sound-bank-row{grid-template-columns:auto 1fr;grid-template-rows:auto}.sound-bank-label{font-size:.72rem}.sound-select{grid-column:1 / -1}}