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strong{font-family:var(--font-mono);font-weight:600}.reference-grid{grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px;display:grid}.reference-card{border-radius:var(--radius-m);background:var(--surface);height:104px;color:var(--ink);transition:border-color .12s var(--ease), color .12s var(--ease), transform .1s var(--ease);border:1px solid #0000;align-content:center;justify-items:center;gap:10px;display:grid}.reference-card:hover{border-color:var(--muted)}.reference-card.is-playing{border-color:var(--accent);color:var(--accent);transform:scale(1.03)}.reference-card b{font-family:var(--font-mono);font-size:1.75rem;font-weight:600;line-height:1}.pattern-slot{place-items:center;min-height:8px;display:grid}.path-grid{gap:16px;display:grid}@media (width>=800px){.path-grid{grid-template-columns:1fr 1fr}}.path-card{border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);transition:border-color .16s var(--ease), transform .16s var(--ease);grid-template-rows:auto auto 1fr auto;gap:18px;padding:clamp(20px,2.4vw,32px);display:grid}.path-card:hover{border-color:var(--muted)}.path-card header{gap:2px;display:grid}.level-line{gap:8px;display:grid}.level-track{background:var(--line);border-radius:2px;height:3px;overflow:hidden}.level-fill{background:var(--accent);height:100%;transition:width .24s var(--ease);border-radius:2px}.char-row{font-family:var(--font-mono);color:var(--muted);flex-wrap:wrap;align-content:flex-start;gap:4px 10px;font-size:1.0625rem;display:flex}.char-row .is-new{color:var(--accent);font-weight:700}.practice-link{border:1px solid var(--line);border-radius:var(--radius-m);transition:border-color .16s var(--ease);justify-content:space-between;align-items:center;gap:16px;padding:18px clamp(20px,2.4vw,32px);text-decoration:none;display:flex}.practice-link:hover{border-color:var(--muted)}.practice-link strong{font-family:var(--font-mono);font-size:.9375rem}.config-bar{flex-wrap:wrap;gap:10px;display:flex}.picker{gap:12px;display:grid}.preset-row{flex-wrap:wrap;gap:4px 16px;display:flex}.picker-grid{grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:6px;display:grid}.picker-grid button{border-radius:var(--radius-s);background:var(--surface);height:48px;color:var(--muted);font-family:var(--font-mono);transition:background-color .12s var(--ease), color .12s var(--ease);border:1px solid #0000;font-size:1.0625rem}.picker-grid button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);font-weight:700}.start-row{flex-wrap:wrap;align-items:center;gap:12px 20px;display:flex}.stat-row{flex-wrap:wrap;gap:14px clamp(28px,4vw,64px);display:flex}.stat strong{font-family:var(--font-mono);letter-spacing:-.02em;font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600;line-height:1.2;display:block}.stat span{color:var(--muted);font-size:.8125rem}.section{gap:12px;display:grid}.progress-columns{gap:28px;display:grid}.progress-side{gap:24px;min-width:0;display:grid}.mixups{border-top:1px solid var(--line)}.mixups li{border-bottom:1px solid var(--line);grid-template-columns:1fr auto auto;align-items:center;gap:18px;padding:8px 0;display:grid}.achievement-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;display:grid}.achievement{border:1px dashed var(--line);border-radius:var(--radius-s);opacity:.65;gap:2px;padding:12px 14px;display:grid}.achievement strong{font-family:var(--font-mono);font-size:.875rem}.achievement.is-earned{border:1px solid var(--accent);background:var(--accent-soft);opacity:1}@media (width>=1100px){.progress-columns{grid-template-columns:minmax(0,3fr) minmax(0,2fr);align-items:start}}.tile-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px;display:grid}.tile{border-radius:var(--radius-s);background:var(--surface);height:68px;transition:border-color .12s var(--ease);border:1px solid #0000;place-items:center;gap:1px;display:grid}.tile b{font-family:var(--font-mono);font-size:1.25rem;line-height:1.2}.tile span{color:var(--muted);font-size:.75rem}.tile-none{border-color:var(--line);color:var(--muted);background:0 0}.tile-strong{background:var(--good-soft)}.tile-mid{background:var(--mid-soft)}.tile-weak{background:var(--bad-soft)}.tile[aria-pressed=true]{border-color:var(--ink)}.tile-detail{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);animation:fade-up .16s var(--ease);gap:10px;padding:18px;display:grid}.tile-detail header{font-family:var(--font-mono);align-items:center;gap:14px;font-size:1.5rem;font-weight:700;display:flex}.detail-list{flex-wrap:wrap;gap:4px 28px;font-size:.9375rem;display:flex}.history{border-top:1px solid var(--line)}.history li{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0;font-size:.9375rem;display:flex}.empty-note{border:1px dashed var(--line);border-radius:var(--radius-m);color:var(--muted);padding:22px}.heatmap{grid-template-rows:repeat(7,1fr);grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:3px;display:grid}.heat-cell{aspect-ratio:1;background:var(--line);border-radius:2px;min-width:0}.heat-1{background:color-mix(in srgb, var(--accent) 30%, var(--line))}.heat-2{background:color-mix(in srgb, var(--accent) 55%, var(--line))}.heat-3{background:color-mix(in srgb, var(--accent) 78%, var(--line))}.heat-4{background:var(--accent)}.heat-scroll{overflow-x:auto}.heat-scroll .heatmap{min-width:620px}.heat-cell:hover{outline:1px solid var(--ink)}.heat-legend{color:var(--muted);justify-content:flex-end;align-items:center;gap:4px;font-size:.75rem;display:flex}.heat-legend i{aspect-ratio:1;border-radius:2px;width:11px}.chart{width:100%;position:relative}.chart svg{width:100%;display:block;overflow:visible}.chart-grid{stroke:var(--line);stroke-width:1px}.chart-label{fill:var(--muted);font-family:var(--font-mono);font-size:11px}.chart-line{fill:none;stroke:var(--ink);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.chart-mistake{stroke:var(--bad);stroke-width:2px;stroke-linecap:round}.chart-cross{stroke:var(--muted);stroke-width:1px}.chart-tooltip{z-index:2;border:1px solid var(--line);background:var(--surface);pointer-events:none;white-space:nowrap;border-radius:6px;padding:6px 10px;font-size:.75rem;position:absolute;top:0}.chart-tooltip strong{font-family:var(--font-mono);font-size:.875rem}.chart-legend{color:var(--muted);flex-wrap:wrap;justify-content:flex-end;gap:4px 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input{width:100%;height:28px;accent-color:var(--accent)}.key-row{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;display:grid}.key-capture{gap:6px;font-size:.875rem;font-weight:600;display:grid}.key-capture button{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg);height:56px;font-family:var(--font-mono);transition:border-color .14s var(--ease);font-size:1.125rem;font-weight:600}.key-capture button.is-listening{border-color:var(--accent);color:var(--accent);font-size:.8125rem}.cutoff-test{border:1px dashed var(--line);border-radius:var(--radius-s);height:84px;color:var(--muted);touch-action:none;-webkit-user-select:none;user-select:none;background:0 0;place-items:center;gap:2px;font-size:.875rem;transition:background-color 40ms linear;display:grid}.cutoff-test.is-down{background:var(--accent-soft)}.cutoff-test strong{color:var(--ink);font-family:var(--font-mono);font-size:1rem}.toggle-row{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.toggle-row strong{font-size:.9375rem;display:block}.toggle{background:var(--line);width:42px;height:24px;transition:background-color .16s var(--ease);border:0;border-radius:12px;flex:none;padding:0;position:relative}.toggle:after{background:var(--surface);content:"";width:18px;height:18px;transition:transform .16s var(--ease);border-radius:50%;position:absolute;top:3px;left:3px}.toggle[aria-checked=true]{background:var(--accent)}.toggle[aria-checked=true]:after{transform:translate(18px)}.theme-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;display:grid}.theme-card{border:1px solid var(--line);border-radius:var(--radius-s);font-family:var(--font-mono);text-align:left;transition:border-color .14s var(--ease);gap:8px;padding:12px;font-size:.8125rem;display:grid}.theme-card[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.theme-swatch{align-items:center;gap:4px;display:flex}.theme-swatch i{border-radius:4px;height:8px;display:block}.theme-swatch i:first-child{width:8px}.theme-swatch i:last-child{width:22px}.account-row{flex-wrap:wrap;gap:10px;display:flex}.save-status{min-height:1.3em;font-size:.875rem}.support{flex-wrap:wrap;align-items:center;gap:16px 24px;font-size:.9375rem;display:flex}.support>div{flex:200px;gap:4px;display:grid}.support a{color:var(--ink);font-weight:600}.support img{border-radius:var(--radius-s);image-rendering:pixelated;background:#fff;padding:8px}.dialog{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);width:min(460px,100%);animation:fade-up .14s var(--ease);justify-items:end;gap:14px;padding:24px;display:grid}.palette-backdrop{z-index:20;background:color-mix(in srgb, var(--bg) 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18px;font-size:.875rem}.error-screen{text-align:center;place-content:center;justify-items:center;gap:16px;min-height:100dvh;padding:24px;display:grid}@media (width<=640px){.topnav{justify-content:space-between;width:100%;margin:0}.topnav a{padding:8px 4px;font-size:.8125rem}}.session{min-height:100dvh;padding:20px var(--gutter) max(16px, env(safe-area-inset-bottom));animation:fade-in .16s var(--ease);grid-template-rows:auto 1fr auto;gap:12px;display:grid;position:relative}.session-bar{background:var(--accent);height:3px;transition:width .26s linear;position:fixed;top:0;left:0}.session-top{justify-content:space-between;align-items:center;gap:16px;min-height:32px;display:flex}.live{color:var(--accent);font-family:var(--font-mono);align-items:baseline;gap:22px;font-size:1.25rem;font-weight:600;display:flex}.live small{color:var(--muted);margin-left:4px;font-size:.75rem;font-weight:400}.session-title{color:var(--muted);font-family:var(--font-mono);font-size:.8125rem}.chrome{transition:opacity .22s var(--ease)}.session[data-focused=true] .chrome{opacity:0}.session-center{text-align:center;grid-template-columns:minmax(0,1fr);align-content:center;justify-items:center;gap:22px;display:grid}.session-bottom{justify-items:center;gap:14px;display:grid}.hints{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:6px 18px;font-size:.8125rem;display:flex}.signal{color:var(--line);transition:color .12s var(--ease);align-items:center;gap:10px;display:flex}.signal i{background:currentColor;border-radius:7px;height:14px;display:block}.signal i:first-child{width:14px}.signal i:last-child{width:42px}.signal.is-sounding{color:var(--accent)}.tape{--tape-size:clamp(2.25rem, 5.5vw, 4.25rem);width:100%;font-family:var(--font-mono);font-size:var(--tape-size);grid-template-columns:minmax(0,1fr) auto 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button:active{background:var(--accent-soft)}.only-keyboard{display:flex}.key{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);width:100%;height:72px;color:var(--muted);font-family:var(--font-mono);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;place-items:center;font-size:.875rem;transition:background-color 40ms linear,border-color 40ms linear;display:grid}.key.is-down{border-color:var(--accent);background:var(--accent);color:var(--accent-ink)}@media (pointer:coarse),(width<=640px){.pad{display:grid}.only-keyboard{display:none}.key{border-radius:var(--radius-l);height:clamp(120px,26vh,180px)}}.send-marks{min-height:24px;color:var(--accent);place-items:center;display:grid}.hint-pattern{min-height:28px;color:var(--muted);place-items:center;display:grid}.timing{gap:6px;width:320px;max-width:100%;font-size:.8125rem;display:grid}.timing-row{text-align:left;grid-template-columns:48px 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var(--line);border-radius:var(--radius-l);background:var(--surface);justify-items:center;gap:12px;min-width:150px;padding:22px 26px 12px;display:grid}.intro-card b{font-family:var(--font-mono);font-size:3.5rem;font-weight:600;line-height:1}.ready-actions{justify-items:center;gap:10px;width:min(380px,100%);display:grid}.results{min-height:100dvh;padding:32px var(--gutter);animation:fade-up .22s var(--ease);align-content:center;gap:28px;display:grid}.results-top{align-items:stretch;gap:24px;display:grid}@media (width>=860px){.results-top{grid-template-columns:200px minmax(0,1fr)}}.results-hero{flex-wrap:wrap;gap:16px 40px;display:flex}@media (width>=860px){.results-hero{align-content:center;display:grid}}.hero-stat span{color:var(--muted);font-family:var(--font-mono);font-size:1.125rem;display:block}.hero-stat strong{color:var(--accent);font-family:var(--font-mono);letter-spacing:-.04em;font-size:clamp(3rem,6vw,4.5rem);font-weight:600;line-height:1;display:block}.best-badge{color:var(--accent);font-family:var(--font-mono);animation:pop-in .22s var(--ease);font-size:.8125rem;font-weight:600}.results-stats{flex-wrap:wrap;gap:14px clamp(28px,4vw,64px);display:flex}.results-headline{gap:6px;display:grid}.summary-details{gap:8px;display:grid}.trouble-list{flex-wrap:wrap;gap:8px;display:flex}.trouble-list li{border-radius:var(--radius-s);background:var(--surface);align-items:center;gap:10px;padding:8px 14px;font-size:.875rem;display:flex}.trouble-list b{font-family:var(--font-mono);font-size:1.125rem}.results-actions{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.results .hints{justify-content:flex-start}.hero-stat .delta{color:var(--muted);font-family:var(--font-mono);font-size:.8125rem}.hero-stat .delta.is-up{color:var(--good)}.earned-list{flex-wrap:wrap;gap:8px;display:flex}.earned{border-radius:var(--radius-s);background:var(--accent-soft);animation:pop-in .26s var(--ease);align-items:center;gap:10px;padding:8px 14px;font-size:.875rem;display:flex}.earned strong{font-family:var(--font-mono)}.earned-mark{gap:3px;display:inline-flex}.earned-mark i{background:var(--accent);border-radius:3px;height:6px;display:block}.earned-mark i:first-child{width:6px}.earned-mark i:last-child{width:16px}.celebration{z-index:5;pointer-events:none;position:fixed;top:0;left:50%}.celebration i{background:var(--accent);opacity:0;height:9px;animation:fall 1.3s var(--delay) cubic-bezier(.2, .6, .4, 1) forwards;border-radius:5px;position:absolute}.celebration .dit{width:9px}.celebration .dah{width:28px}@keyframes fall{0%{opacity:1;transform:translateY(-20px)rotate(0)}80%{opacity:1}to{opacity:0;transform:translate(var(--x), var(--y)) rotate(var(--spin))}}