@font-face{font-family:DejaVu Serif;font-style:normal;font-weight:400;font-display:swap;src:url(https://cdn.jsdelivr.net/npm/dejavu-fonts-ttf@2.37.3/ttf/DejaVuSerif.ttf)format("truetype")}@font-face{font-family:DejaVu Serif;font-style:normal;font-weight:700;font-display:swap;src:url(https://cdn.jsdelivr.net/npm/dejavu-fonts-ttf@2.37.3/ttf/DejaVuSerif-Bold.ttf)format("truetype")}:root{--bg:#fbf8ed;--bg-raised:#fff;--bg-sunken:#f4efdf;--bg-tint:#f8f3e1;--ink:#1a1a1a;--ink-muted:#1a1a1a8c;--ink-dim:#1a1a1a4d;--ink-faint:#1a1a1a14;--clay:#2f6f4f;--clay-hover:#255b40;--clay-soft:#2f6f4f2e;--clay-faint:#2f6f4f14;--correct:#4a7f4e;--wrong:#b7472a;--shadow-paper:0 1px 2px #1a1a1a0a, 0 1px 3px #1a1a1a0f;--shadow-lift:0 2px 6px #1a1a1a0f, 0 4px 12px #1a1a1a14}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}html,body{background:var(--bg);color:var(--ink);font-feature-settings:"cv02", "cv03", "cv04", "cv11";-webkit-font-smoothing:antialiased;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;min-height:100vh;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif}#app,.picker,.quiz,.finish{position:relative}.font-serif{font-family:ui-serif,New York,Charter,Georgia,Times New Roman,serif}.drill-label,.drill-title-text{color:var(--ink);letter-spacing:-.005em;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:15px;font-weight:600}.drill-bar-caption{letter-spacing:.12em;color:var(--ink-muted);font-family:JetBrains Mono,Fira Code,ui-monospace,monospace;font-size:12px;font-weight:500}.press-feel{transition:transform .12s ease-out}.press-feel:active{transition-duration:80ms;transform:scale(.98)}.display{letter-spacing:-.01em;font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;font-style:normal;font-weight:600;line-height:1.12}.display-xl{letter-spacing:-.02em;font-family:ui-serif,New York,Charter,Georgia,Times New Roman,serif;font-size:clamp(2.25rem,5.5vw,4rem);font-weight:600;line-height:1.05}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--clay);font-size:12px;font-weight:600}.muted{color:var(--ink-muted)}.dim{color:var(--ink-dim)}.paper{background:var(--bg-raised);border:1px solid var(--ink-faint);box-shadow:var(--shadow-paper);border-radius:10px}.paper-hover{transition:transform .15s,box-shadow .2s,border-color .2s}.paper-hover:hover{box-shadow:var(--shadow-lift);border-color:var(--clay-soft);transform:translateY(-1px)}.btn-clay{border:1px solid var(--clay);background:var(--clay);color:#fff;letter-spacing:.01em;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 22px;font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,transform 50ms;display:inline-flex}.btn-clay:hover{background:var(--clay-hover);border-color:var(--clay-hover);color:#fff}.btn-clay:active{transform:translateY(1px)}.btn-clay:disabled{opacity:.4;cursor:not-allowed}.btn-paper{border:1px solid var(--ink-faint);background:var(--bg-raised);min-height:48px;color:var(--ink);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:0 22px;font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;transition:border-color .15s,background .15s;display:inline-flex}.btn-paper:hover{border-color:var(--clay-soft);background:var(--bg-tint);color:var(--ink)}.app-header{z-index:50;-webkit-backdrop-filter:blur(20px)saturate(120%);border-bottom:1px solid var(--ink-faint);background:#fcf9eed9;align-items:center;gap:10px;height:56px;padding:0 18px;display:flex;position:fixed;top:0;left:0;right:0}.app-header-brand{color:inherit;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.app-header-icon{object-fit:cover;border-radius:8px;width:32px;height:32px;box-shadow:0 1px 2px #1a1a1a1f}.app-header-name{letter-spacing:-.005em;color:var(--ink);font-family:ui-serif,New York,Charter,Georgia,serif;font-size:17px;font-weight:600}.with-app-header{padding-top:56px}a{color:var(--clay);text-decoration:none}a:hover{color:var(--clay-hover);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1.5px}::selection{background:var(--clay-soft);color:var(--ink)}input,select,textarea,button{font-family:inherit}.article{max-width:44rem;color:var(--ink);margin:0 auto;padding:clamp(2rem,6vw,4rem) 1.5rem 4rem;line-height:1.7}.article .crumb{margin:0 0 1.5rem;font-size:.85rem}.article .crumb a{color:var(--ink-muted);text-decoration:none}.article .crumb a:hover{color:var(--clay)}.article h1{letter-spacing:-.01em;margin:0 0 1rem;font-family:DejaVu Serif,ui-serif,Georgia,serif;font-size:clamp(2rem,5vw,2.8rem);font-weight:700}.article .lede{color:var(--ink);margin:0 0 1.6rem;font-size:1.1rem}.article .practice-link{color:var(--ink);background:var(--clay-faint);border-left:3px solid var(--clay);border-radius:0 8px 8px 0;margin:0 0 1.6rem;padding:.8rem 1.2rem;font-size:1rem}.article .practice-link a{color:var(--clay);font-weight:600;text-decoration:none}.article .practice-link a:hover{text-decoration:underline}.article h2{margin:2.4rem 0 .7rem;font-family:DejaVu Serif,ui-serif,Georgia,serif;font-size:1.4rem;font-weight:700}.article h3{margin:1.8rem 0 .5rem;font-family:DejaVu Serif,ui-serif,Georgia,serif;font-size:1.12rem;font-weight:700}.article p,.article li{color:var(--ink)}.article ol,.article ul{padding-left:1.3rem}.article li{margin:.5rem 0}.article a{color:var(--clay)}.article code{background:var(--bg-sunken);border-radius:4px;padding:.05em .35em;font-size:.88em}.article .mnemonic{background:var(--clay-faint);border-left:3px solid var(--clay);border-radius:0 10px 10px 0;margin:1.2rem 0;padding:.9rem 1.1rem}.article .mnemonic strong{color:var(--clay)}.article .ref-table{border-collapse:collapse;width:100%;margin:1.2rem 0;font-size:.95rem}.article .ref-table th,.article .ref-table td{text-align:left;border-bottom:1px solid var(--ink-faint);padding:.5rem .7rem}.article .ref-table th{font-weight:700}.article .ref-table tr:last-child td{border-bottom:none}.article .next-up{border-top:1px solid var(--ink-faint);margin-top:2.6rem;padding-top:1.4rem}.article .next-up h2{margin-top:0}.article .cta-row{margin:1.8rem 0}.article .cta{border-radius:14px;justify-content:center;align-items:center;min-height:50px;padding:0 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.article .cta-primary{background:var(--clay);color:#fff;border:1px solid var(--clay)}.article .cta-primary:hover{background:var(--clay-hover);border-color:var(--clay-hover)}.picker{max-width:1080px;margin:0 auto;padding:24px 20px 64px}.landing-hero{text-align:left;grid-template-columns:1fr;align-items:center;gap:32px;max-width:100%;padding:56px 0 48px;display:grid}@media (width>=800px){.landing-hero{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px}}.landing-hero .eyebrow{margin-bottom:18px}.landing-headline{color:var(--ink);margin:0 0 18px}.landing-tagline{color:var(--ink-muted);max-width:600px;margin:0;font-size:17px;line-height:1.6}.landing-cta-row{flex-wrap:wrap;gap:12px;display:flex}.composer-parade{color:var(--ink-muted);flex-wrap:wrap;align-items:baseline;gap:6px 0;margin:18px 0 16px;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:15px;font-style:italic;display:flex}.composer-parade span{white-space:nowrap;margin:0 6px}.composer-dot{color:var(--clay);opacity:.6;font-style:normal;font-weight:700}.stats-strip{letter-spacing:.15em;text-transform:uppercase;color:var(--ink-dim);flex-wrap:wrap;gap:0 4px;margin-bottom:28px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px;display:flex}.stats-strip>span{white-space:nowrap}.stats-strip .stats-dot{color:var(--clay);opacity:.6;margin:0 8px}.hero-vignette{flex-direction:column;align-items:center;width:100%;display:flex}.hero-video-frame{background:var(--bg-raised);border:1px solid var(--ink-faint);border-radius:12px;flex-direction:column;gap:8px;width:100%;max-width:280px;margin:0;padding:10px 10px 8px;display:flex;position:relative;box-shadow:0 1px 2px #1a1a1a0a,0 4px 16px #1a1a1a14,0 12px 40px #1a1a1a0f}.hero-video-frame:before{content:"";pointer-events:none;background:radial-gradient(at 0 0,#2f6f4f0a,#0000 60%),radial-gradient(at 100% 100%,#2f6f4f0a,#0000 60%);border-radius:12px;position:absolute;inset:0}.hero-video{aspect-ratio:4/5;object-fit:cover;background:var(--bg-sunken);border-radius:6px;width:100%;display:block}.hero-video-caption{color:var(--ink-muted);text-align:center;letter-spacing:.005em;padding:2px 0;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:13px}.hero-video-piece{color:var(--ink);font-style:italic;font-weight:500}.hero-video-sep{color:var(--clay);margin:0 6px}.hero-video-composer{font-style:italic}@media (width<=799px){.hero-video-frame{max-width:220px}}.landing-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:56px 0 0;display:grid}.landing-card{background:var(--bg-raised);border:1px solid var(--ink-faint);box-shadow:var(--shadow-paper);border-radius:10px;padding:22px;transition:border-color .2s,transform .15s}.landing-card:hover{border-color:var(--clay-soft);transform:translateY(-1px)}.landing-card h2{letter-spacing:-.005em;color:var(--ink);align-items:center;gap:10px;margin:0 0 10px;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:18px;font-weight:600;display:flex}.landing-card .landing-icon{opacity:.85;font-size:20px}.landing-card p,.landing-card li{color:var(--ink-muted);font-size:14.5px;line-height:1.6}.landing-card ol{margin:0;padding-left:18px}.landing-card ol li{margin-bottom:6px}.landing-card strong{color:var(--ink);font-weight:600}.landing-card em{color:var(--ink);font-style:italic}.picker-corpus,.picker-upload,.picker-config{margin-top:56px}.picker-corpus h2,.picker-upload h2,.picker-config h2{letter-spacing:-.01em;color:var(--ink);margin:0 0 24px;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:26px;font-weight:600}.composer-header{border-bottom:1px solid var(--ink-faint);justify-content:space-between;align-items:baseline;margin-bottom:14px;padding-bottom:8px;display:flex}.composer-name{color:var(--ink);letter-spacing:-.005em;margin:0;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:22px;font-weight:600}.composer-count{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px}.picker-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.composer-pieces.picker-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.picker-card{background:var(--bg-raised);border:1px solid var(--ink-faint);cursor:pointer;text-align:left;border-radius:10px;padding:16px 18px;transition:border-color .15s,transform .1s,box-shadow .15s}.picker-card:hover{border-color:var(--clay);box-shadow:var(--shadow-lift);transform:translateY(-1px)}.picker-card .picker-card-title{color:var(--ink);letter-spacing:-.005em;margin:0;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:16px;font-weight:600}.picker-card.picker-card-on{border-color:var(--clay);background:var(--clay-faint)}.picker-upload input[type=file]{color:var(--ink-muted);font-family:inherit;font-size:14px}.picker-filename{color:var(--ink-dim);margin-top:4px;font-size:12px}.picker-controls{-webkit-backdrop-filter:blur(20px)saturate(120%);border-top:1px solid var(--ink-faint);box-shadow:0 -1px 0 var(--ink-faint), 0 -4px 12px #1a1a1a0a;z-index:10;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));background:#fcf9eeeb;flex-wrap:wrap;align-items:center;gap:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.picker-controls-inner{flex-wrap:wrap;align-items:center;gap:12px;width:100%;max-width:1080px;margin:0 auto;display:flex}.picker-controls input[type=number]{background:var(--bg-raised);width:64px;color:var(--ink);border:1px solid var(--ink-faint);border-radius:8px;outline:none;padding:6px 8px;font-family:inherit;font-size:14px;transition:border-color .15s}.picker-controls input[type=number]:focus{border-color:var(--clay)}.picker-controls label{color:var(--ink-muted);align-items:center;gap:6px;font-size:13px;font-weight:500;display:flex}.picker-drill{flex-wrap:wrap;gap:6px;display:flex}.drill-chip{border:1px solid var(--ink-faint);background:var(--bg-raised);color:var(--ink);cursor:pointer;border-radius:999px;padding:8px 14px;font-family:inherit;font-size:13px;font-weight:500;transition:border-color .15s,background .15s}.drill-chip:hover{border-color:var(--clay-soft)}.drill-chip.is-selected{background:var(--clay);border-color:var(--clay);color:#fff}.picker-budget{flex-wrap:wrap;gap:6px;display:flex}.picker-chip{background:var(--bg-raised);color:var(--ink-muted);border:1px solid var(--ink-faint);cursor:pointer;border-radius:999px;padding:5px 12px;font-family:inherit;font-size:13px;font-weight:500;transition:border-color .15s,background .15s,color .15s}.picker-chip:hover{border-color:var(--clay-soft);color:var(--ink)}.picker-chip-on{background:var(--clay);border-color:var(--clay);color:#fff}.picker-budget-group{align-items:center;gap:10px;display:flex}.picker-controls-extra{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.picker-opts-toggle{background:var(--bg-raised);color:var(--ink-muted);border:1px solid var(--ink-faint);cursor:pointer;border-radius:8px;padding:8px 14px;font-family:inherit;font-size:13px;font-weight:600;display:none}@media (width<=600px){.picker-opts-toggle{display:inline-flex}.picker-controls-extra{width:100%;display:none}.picker-controls.is-open .picker-controls-extra{display:flex}}#pk-start{border:1px solid var(--clay);background:var(--clay);color:#fff;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:0 22px;font-family:inherit;font-size:15px;font-weight:600;transition:background .15s,border-color .15s,transform 50ms;display:inline-flex}#pk-start:hover{background:var(--clay-hover);border-color:var(--clay-hover)}#pk-start:active{transform:translateY(1px)}#pk-start[disabled]{opacity:.35;cursor:not-allowed}.picker-err{color:var(--wrong);flex-basis:100%;font-size:13px}.sibling-card{color:#e8ecf5;background:linear-gradient(135deg,#0a0e1a 0%,#10162a 100%);border:1px solid #ffffff14;border-radius:14px;align-items:flex-start;gap:20px;margin-top:48px;padding:24px 26px;text-decoration:none;transition:transform .15s,box-shadow .2s;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 1px #0006,0 1px 3px #1a1a1a0a,0 4px 16px #1a1a1a14}.sibling-card:before{content:"";pointer-events:none;background:radial-gradient(at 0 0,#22d3ee26,#0000 55%),radial-gradient(at 100% 100%,#d946ef1a,#0000 55%);position:absolute;inset:0}.sibling-card:hover{border-color:#ffffff29;transform:translateY(-1px);box-shadow:inset 0 1px #0006,0 4px 16px #1a1a1a1a,0 12px 40px #22d3ee26}.sibling-card-icon{z-index:1;background:#ffffff0a;border:1px solid #ffffff14;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:28px;display:flex;position:relative}.sibling-card-body{z-index:1;flex:1;min-width:0;position:relative}.sibling-card-eyebrow{text-transform:uppercase;letter-spacing:.2em;color:#22d3ee;margin-bottom:6px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px}.sibling-card-title{letter-spacing:-.015em;background:linear-gradient(135deg,#22d3ee 0%,#d946ef 100%);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-family:Inter,system-ui,sans-serif;font-size:26px;font-weight:800}.sibling-card-desc{color:#e8ecf5b3;max-width:580px;margin:0 0 14px;font-family:Inter,system-ui,sans-serif;font-size:14.5px;line-height:1.55}.sibling-card-link{color:#22d3ee;align-items:center;gap:6px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;display:inline-flex}.sibling-card-arrow{transition:transform .15s}.sibling-card:hover .sibling-card-arrow{transform:translate(3px)}@media (width<=600px){.sibling-card{flex-direction:column;gap:14px;padding:20px}.sibling-card-title{font-size:22px}}.landing-footer{border-top:1px solid var(--ink-faint);text-align:center;color:var(--ink-dim);margin-top:64px;padding-top:32px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px}.landing-footer p{margin:0 0 8px}.landing-footer a{color:var(--ink-muted);text-decoration:none}.landing-footer a:hover{color:var(--clay);text-underline-offset:3px;text-decoration:underline}.landing-footer-links span{color:var(--clay);opacity:.5;margin:0 8px}.picker-bpm{align-items:center;gap:10px;display:flex}.picker-bpm-label{opacity:.75;font-size:13px}.picker-bpm-chips{flex-wrap:wrap;gap:6px;display:flex}@media (width<=600px){.picker{padding:16px 12px 120px}.landing-hero{padding:32px 0 40px}.landing-tagline{font-size:15px}.landing-grid{grid-template-columns:1fr;gap:12px}.landing-card{padding:18px}.picker-grid,.composer-pieces.picker-grid{grid-template-columns:1fr}.picker-card{padding:10px 12px}.picker-card .picker-card-title{font-size:14px}}.quiz{max-width:960px;color:var(--ink);box-sizing:border-box;flex-direction:column;gap:8px;min-height:100dvh;margin:0 auto;padding:12px;display:flex}.quiz-header{background:var(--bg-raised);border:1px solid var(--ink-faint);box-shadow:var(--shadow-paper);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;display:flex}.quiz-title{color:var(--ink);letter-spacing:-.005em;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:15px;font-weight:600}.quiz-composer{color:var(--ink-muted);font-family:inherit;font-weight:400}.quiz-progress{color:var(--ink-muted);font-family:JetBrains Mono,Fira Code,ui-monospace,monospace;font-size:13px}.quiz-banner{background:var(--clay-faint);border:1px solid var(--clay-soft);color:var(--clay);border-radius:8px;padding:8px 12px;font-size:14px;font-weight:500}.quiz-score{background:var(--bg-raised);-webkit-overflow-scrolling:touch;border:1px solid var(--ink-faint);min-height:180px;box-shadow:var(--shadow-paper);border-radius:10px;padding:6px;overflow:auto}.quiz-score svg{display:block}.quiz-feedback{background:var(--bg-raised);border:1px solid var(--ink-faint);border-radius:8px;align-items:center;gap:12px;padding:6px 12px;font-size:13px;display:flex}.quiz-fb-hand{font-family:JetBrains Mono,Fira Code,ui-monospace,monospace;font-weight:600}.quiz-fb-hand.ok{color:var(--correct)}.quiz-fb-hand.err{color:var(--wrong)}.quiz-ring{background:conic-gradient(var(--clay) calc(var(--p) * 360deg), var(--ink-faint) 0);border-radius:50%;width:22px;height:22px}.quiz-keys{flex-direction:column;gap:6px;display:flex}.quiz-hand-row{flex-direction:column;gap:3px;display:flex}.quiz-hand-label{letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);-webkit-user-select:none;user-select:none;padding-left:2px;font-family:JetBrains Mono,Fira Code,ui-monospace,monospace;font-size:10px;font-weight:600}#qz-finish{background:var(--bg-raised);color:var(--ink-muted);border:1px solid var(--ink-faint);cursor:pointer;border-radius:8px;padding:5px 14px;font-family:inherit;font-size:13px;transition:border-color .15s,background .15s,color .15s}#qz-finish:hover{border-color:var(--clay-soft);background:var(--bg-tint);color:var(--ink)}.quiz-icon-btn{background:var(--bg-raised);color:var(--ink-muted);border:1px solid var(--ink-faint);cursor:pointer;border-radius:8px;padding:5px 12px;font-family:inherit;font-size:16px;line-height:1;transition:border-color .15s,background .15s,color .15s}.quiz-icon-btn:hover{background:var(--bg-tint);border-color:var(--clay-soft);color:var(--ink)}@media (width<=600px){.quiz{gap:6px;padding:8px}.quiz-title{font-size:13px}.quiz-score{min-height:140px}}.finish{max-width:480px;color:var(--ink);text-align:center;background:var(--bg-raised);border:1px solid var(--ink-faint);box-shadow:var(--shadow-lift);border-radius:16px;margin:48px auto;padding:32px 28px 28px}.finish-header{margin-bottom:24px}.finish-title{margin-bottom:3px}.finish-composer{letter-spacing:.14em;text-transform:uppercase;color:var(--ink-muted);font-size:11px;font-weight:600}.finish-score{color:var(--ink);letter-spacing:-.03em;margin-bottom:4px;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:80px;font-weight:600;line-height:1;display:inline-block;position:relative}.finish-score:after{content:"";background:var(--clay);border-radius:2px;height:3px;position:absolute;bottom:-6px;left:10%;right:10%}.finish-best{opacity:.8;margin-top:10px;font-size:15px}.finish-best-new{color:var(--correct,#4a7f4e);opacity:1;font-weight:600}.finish-stats{margin:14px 0 24px}.finish-heatmap{grid-template-columns:repeat(8,1fr);gap:4px;max-width:320px;margin:0 auto 8px;display:grid}.hm-cell{aspect-ratio:1;background:#c9c2b4;border-radius:4px}.hm-cell.hm-good{background:var(--correct,#4a7f4e)}.hm-cell.hm-fair{background:#7db87f}.hm-cell.hm-mid{background:#b3cfb4}.hm-cell.hm-bad{background:#c9c2b4}.finish-heatmap-legend{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-bottom:20px;display:flex}.hml-dot{border-radius:2px;flex-shrink:0;width:8px;height:8px}.hml-dot.hml-good{background:var(--correct,#4a7f4e)}.hml-dot.hml-fair{background:#7db87f}.hml-dot.hml-mid{background:#b3cfb4}.hml-dot.hml-bad{background:#c9c2b4}.hml-label{color:var(--ink-muted);letter-spacing:.02em;margin-right:6px;font-size:10px;font-weight:500}.finish-tune{background:var(--bg-sunken);border:1px solid var(--ink-faint);border-radius:10px;flex-direction:column;align-items:center;gap:8px;margin:0 0 20px;padding:14px 18px;display:flex}.finish-tune-msg{color:var(--ink-muted);font-size:13px;line-height:1.4}.finish-tune-btn{min-height:36px;padding:0 16px;font-size:13px}.finish-tune-btn:disabled{opacity:.5;cursor:default}.finish-actions{flex-direction:column;align-items:stretch;gap:10px;display:flex}.finish-btn-primary{width:100%}.finish-secondary-row{gap:8px;display:flex}.finish-btn-secondary{flex:1;min-height:44px;font-size:14px}.finish-name-input{background:var(--bg-raised);color:var(--ink);border:1px solid var(--ink-faint);border-radius:8px;outline:none;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .15s}.finish-name-input:focus{border-color:var(--clay)}.finish-name-input::placeholder{color:var(--ink-dim)}.kb{flex-direction:column;gap:4px;width:100%;max-width:560px;margin:0 auto;display:flex}.kb-label{color:var(--ink-muted);font-size:12px;font-weight:500}.kb-lane{touch-action:manipulation;-webkit-user-select:none;user-select:none;background:#1a1a1a;border-radius:6px;width:100%;height:130px;margin:0;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 6px #0006,inset 0 -3px #00000040}.kb-key{appearance:none;font:inherit;color:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent;cursor:pointer;background:0 0;border:0;margin:0;padding:0;transition:background 80ms}.kb-white{background:linear-gradient(#fbf5e6 0%,#f1e6cd 100%);border-right:1px solid #c8b890;flex:1 1 0;position:relative;box-shadow:inset 0 -8px 8px -6px #0000002e}.kb-white:last-child{border-right:none}.kb-black{z-index:2;background:linear-gradient(#2a2a2a 0%,#050505 95%);border:1px solid #000;border-radius:0 0 3px 3px;height:62%;position:absolute;top:0;box-shadow:0 2px 4px #0009,inset 0 -3px #ffffff14}.kb-white:focus-visible{outline:3px solid var(--clay);outline-offset:-3px;z-index:3}.kb-black:focus-visible{outline:3px solid var(--bg-sunken);outline-offset:-3px}.kb-white.kb-hi{background:var(--correct)}.kb-white.kb-err{background:var(--wrong)}.kb-black.kb-hi{background:var(--correct);filter:brightness(.78)}.kb-black.kb-err{background:var(--wrong);filter:brightness(.78)}.kb-white.kb-hi .kb-key-label,.kb-white.kb-err .kb-key-label{color:#fff}.kb-key-label{text-align:center;color:#1a1a1a;pointer-events:none;-webkit-user-select:none;user-select:none;font-family:ui-sans-serif,system-ui,sans-serif;font-size:11px;position:absolute;bottom:4px;left:0;right:0}@media (width<=600px){.kb-lane{height:110px}.kb-label{font-size:11px}}.library{max-width:760px;margin:0 auto;padding:24px 20px 48px}.library-topbar{align-items:flex-start;gap:10px;margin:8px 0 20px;display:flex}.library-heading{letter-spacing:-.02em;margin:0;font-family:ui-serif,New York,Charter,Georgia,Times New Roman,serif;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:600;line-height:1.08}.library-settings{background:var(--bg-raised);border:1px solid var(--ink-faint);width:38px;height:38px;color:var(--ink-muted);cursor:pointer;border-radius:10px;flex:none;justify-content:center;align-items:center;margin-left:auto;font-size:18px;display:inline-flex}.library-settings:hover{border-color:var(--clay);color:var(--clay)}.rb-card{text-align:left;background:var(--bg-raised);border:1px solid var(--ink-faint);cursor:pointer;border-radius:14px;align-items:center;gap:14px;width:100%;margin-bottom:16px;padding:14px;transition:border-color .15s,box-shadow .2s;display:flex}.rb-card:hover{border-color:var(--clay);box-shadow:var(--shadow-lift)}.rb-icon{background:var(--clay-soft);border-radius:11px;flex:none;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:inline-flex}.rb-text{flex-direction:column;gap:2px;min-width:0;display:flex}.rb-title{color:var(--ink);font-size:1rem;font-weight:600}.rb-sub{color:var(--ink-muted);font-size:.85rem}.rb-chevron{color:var(--ink-dim);flex:none;margin-left:auto;font-size:1.4rem;line-height:1}.practice-card{box-sizing:border-box;text-align:left;background:var(--bg-raised);width:100%;color:inherit;border:1px solid var(--ink-faint);border-radius:14px;align-items:center;gap:14px;margin:-4px 0 16px;padding:14px;text-decoration:none;transition:border-color .15s,box-shadow .2s;display:flex}.practice-card:hover{border-color:var(--clay);box-shadow:var(--shadow-lift)}.practice-mark{color:#275c43;background:#dcebe2;border-radius:11px;flex:none;justify-content:center;align-items:center;width:44px;height:44px;font-family:ui-serif,New York,Charter,Georgia,serif;font-size:1.5rem;font-weight:700;display:inline-flex}.library-upload{background:var(--clay);color:#fff;cursor:pointer;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:24px;padding:15px;font-size:16px;font-weight:600;display:flex}.library-upload:hover{background:var(--clay-hover)}.composer-section{margin-bottom:20px}.composer-header{border-bottom:1px solid var(--ink-faint);align-items:center;gap:10px;padding:12px 0;display:flex}.composer-name{font-size:1.1rem;font-weight:600}.composer-count{color:var(--ink-muted);margin-left:auto;font-size:.85rem}.library-search{background:var(--bg-raised);border:1px solid var(--ink-faint);width:100%;color:var(--ink);border-radius:12px;margin-bottom:12px;padding:12px 14px;font-family:inherit;font-size:15px}.library-search::placeholder{color:var(--ink-dim)}.library-search:focus{border-color:var(--clay);outline:none}.diff-chips{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:8px;margin-bottom:16px;display:flex;overflow-x:auto}.diff-chips::-webkit-scrollbar{display:none}.diff-chip{border:1px solid var(--ink-faint);color:var(--ink-dim);cursor:pointer;text-transform:lowercase;white-space:nowrap;background:0 0;border-radius:999px;flex:none;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:500;transition:background .12s,border-color .12s,color .12s}.diff-chip:hover{border-color:var(--ink-dim)}.diff-chip.on{background:var(--bg-raised);border-color:var(--clay);color:var(--clay);font-weight:600}.library-tabs{border-bottom:1px solid var(--ink-faint);gap:20px;margin:8px 0 16px;display:flex}.library-tab{cursor:pointer;color:var(--ink-muted);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 0;font-size:15px;font-weight:600}.library-tab.active{color:var(--ink);border-bottom-color:var(--clay)}.songs-grid{grid-template-columns:repeat(3,1fr);gap:18px 12px;padding:4px 0;display:grid}@media (width<=560px){.songs-grid{grid-template-columns:repeat(2,1fr)}}.song-card{cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:8px;padding:4px;display:flex}.song-title{color:var(--ink);text-align:center;font-size:.82rem;font-weight:600;line-height:1.2}.song-portrait,.composer-portrait{background-image:var(--ph);background-position:top;background-size:cover;background-color:var(--clay-soft);border-radius:50%;flex:none}.song-portrait.no-photo,.composer-portrait.no-photo{justify-content:center;align-items:center;display:inline-flex}.song-portrait.no-photo:after,.composer-portrait.no-photo:after{content:attr(data-initial);color:var(--clay-hover);font-family:ui-serif,New York,Charter,Georgia,serif;font-weight:600}.song-portrait.no-photo:after{font-size:2rem}.composer-portrait.no-photo:after{font-size:1rem}.song-portrait{width:84px;height:84px;box-shadow:var(--shadow-paper);transition:transform .12s,box-shadow .2s}.song-card:hover .song-portrait{box-shadow:var(--shadow-lift);transform:translateY(-2px)}.composer-portrait{width:36px;height:36px}.library-grid{grid-template-columns:repeat(3,1fr);gap:12px;padding:12px 0;display:grid}.library-card{text-align:left;cursor:pointer;background:var(--bg-raised);border:1px solid var(--ink-faint);border-radius:12px;padding:14px;transition:border-color .15s,box-shadow .2s}.library-card:hover{border-color:var(--clay);box-shadow:var(--shadow-lift)}.library-card-title{font-size:.95rem;font-weight:600}@media (width<=560px){.library-grid{grid-template-columns:repeat(2,1fr)}}.piece-detail{max-width:600px;margin:0 auto;padding:16px 20px 48px}.pd-back{color:var(--ink-muted);cursor:pointer;background:0 0;border:none;padding:8px 0;font-size:.9rem}.pd-title{margin:8px 0 2px;font-size:clamp(1.6rem,4vw,2.2rem)}.pd-composer{color:var(--ink-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;font-size:.75rem;font-weight:600}.pd-difficulty{background:var(--clay-soft);color:var(--clay-hover);border-radius:999px;margin-bottom:20px;padding:4px 12px;font-size:.78rem;font-weight:600;display:inline-block}.pd-error{border:1px solid var(--wrong);color:var(--wrong);background:var(--bg-raised);border-radius:10px;margin:4px 0 0;padding:10px 14px;font-size:.85rem}.pd-eyebrow{margin:16px 0 8px}.pd-session{color:var(--bg);background:var(--clay);border-radius:8px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;padding:14px 16px;text-decoration:none;display:flex}.pd-session strong,.pd-session small{display:block}.pd-session small{color:color-mix(in srgb, var(--bg) 78%, transparent);margin-top:2px}.pd-session>span:last-child{font-size:1.6rem;line-height:1}.pd-ladder{border-block:1px solid var(--ink-faint);margin:0 0 16px;padding:16px 0}.pd-ladder-steps{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin-top:12px;display:grid}.pd-ladder-steps a{border:1px solid var(--ink-faint);min-height:58px;color:var(--ink);background:var(--bg-raised);border-radius:6px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 6px;padding:9px 10px;text-decoration:none;display:grid}.pd-ladder-steps a:hover{border-color:var(--clay)}.pd-ladder-steps a>span:first-child{overflow-wrap:anywhere;font-size:.82rem;font-weight:650}.pd-ladder-steps a>span:last-child{color:var(--ink-muted);grid-area:1/2/3;font-size:1.1rem}.pd-ladder-steps small{color:var(--ink-muted);font-size:.7rem}.pd-card{text-align:left;background:var(--bg-raised);border:1px solid var(--ink-faint);cursor:pointer;border-radius:8px;width:100%;margin-bottom:12px;padding:18px;transition:border-color .15s,box-shadow .2s;display:block}.pd-card:hover{border-color:var(--clay);box-shadow:var(--shadow-lift)}.pd-card-title{font-size:1.05rem;font-weight:600}.pd-card-sub{color:var(--ink-muted);margin-top:2px;font-size:.85rem}.pd-subcards{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (width<=600px){.pd-ladder-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.pd-subcards{grid-template-columns:1fr}}.basics{max-width:600px;margin:0 auto;padding:16px 20px 48px}.basics-row{text-align:left;background:var(--bg-raised);border:1px solid var(--ink-faint);cursor:pointer;border-radius:14px;align-items:center;gap:12px;width:100%;margin-bottom:6px;padding:14px 16px;display:flex}.basics-row:hover{border-color:var(--clay);box-shadow:var(--shadow-lift)}.basics-row[disabled]{opacity:.5;cursor:default}.basics-num{background:var(--clay);color:#fff;border-radius:9px;flex:none;place-items:center;width:34px;height:34px;font-weight:700;display:grid}.basics-title{font-weight:600}.basics-meta{color:var(--ink-muted);font-size:.8rem}.basics-check{color:var(--correct);margin-left:auto;font-weight:700}.welcome-overlay{z-index:50;background:var(--bg);flex-direction:column;display:flex;position:fixed;inset:0}.welcome-card{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:32px;display:flex}.welcome-icon{font-size:56px}.welcome-title{font-size:2rem}.welcome-body{color:var(--ink-muted);max-width:30ch}.welcome-dots{justify-content:center;gap:6px;margin:8px 0;display:flex}.welcome-dot{background:var(--ink-faint);border-radius:50%;width:6px;height:6px}.welcome-dot.on{background:var(--clay)}.welcome-next{background:var(--clay);color:#fff;cursor:pointer;border:none;border-radius:14px;margin:0 24px 24px;padding:15px;font-size:16px;font-weight:600}.streak-chip{color:var(--clay);margin-left:auto;font-weight:600}