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.num{color:var(--accent)}.index .foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:6px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}.index .foot .line{display:flex;justify-content:space-between;gap:8px}.index .foot .ok{color:var(--good)}.index .foot .off{color:var(--accent)}.index .foot button{margin-top:8px;background:none;border:1px solid var(--rule);border-radius:0;color:var(--ink-2);font:inherit;padding:8px 10px;cursor:pointer;text-align:left;min-height:36px}.main{overflow-y:auto;overflow-x:hidden;padding:44px 56px 96px}.page{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:44px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px 32px;flex-wrap:wrap;padding-bottom:26px;border-bottom:2px solid var(--rule-strong)}.page-head .titles{display:flex;flex-direction:column;gap:14px;min-width:0}.page-head .sub{color:var(--ink-2);font-size:1.06rem;max-width:62ch}@media(max-width:900px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr}.index{flex-direction:row;align-items:center;gap:18px;padding:10px 18px;border-right:0;border-bottom:1px solid var(--rule);overflow-x:auto}.index .masthead{border:0;margin:0;padding:0}.index .masthead .title{font-size:1.5rem}.index ol{flex-direction:row}.index ol a{display:flex;gap:6px;border:0;padding:8px 10px;white-space:nowrap}.index ol a.active{box-shadow:inset 0 -2px 0 var(--accent)}.index ol a.active .label{font-size:1rem}.index .foot{display:none}.main{padding:28px 20px 64px}}.card{border-top:1px solid var(--rule);padding-top:18px;min-width:0}.card.accent{border-top:2px solid var(--accent)}.card.tight{border-top:0;padding-top:0}button.card{background:none;border-left:0;border-right:0;border-bottom:0;border-radius:0;text-align:left;font:inherit;color:inherit;cursor:pointer;padding:18px 0 6px}button.card:hover:not(:disabled) 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var(--ink);background:transparent;color:var(--ink);font-family:var(--font-text);font-weight:600;font-size:.95rem;letter-spacing:.01em;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;text-decoration:none;transition:background-color .12s,color .12s}.btn:hover:not(:disabled){background:var(--ink);color:var(--bg)}.btn:disabled{opacity:.35;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover:not(:disabled){background:var(--ink);border-color:var(--ink);color:var(--bg)}.btn.big{min-height:60px;padding:0 30px;font-size:1.05rem}.btn.ghost{border-color:transparent;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:5px;padding-left:6px;padding-right:6px}.btn.ghost:hover:not(:disabled){background:transparent;color:var(--ink);text-decoration-color:var(--accent)}.btn.small{min-height:36px;padding:0 12px;font-size:.82rem}.btn.icon{width:48px;padding:0}.btn.danger{border-color:var(--accent);color:var(--accent)}.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border:1px solid var(--rule);font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em;color:var(--ink-2);white-space:nowrap;background:none}button.chip{cursor:pointer;min-height:34px}.chip.accent{border-color:var(--accent);color:var(--accent)}.chip.good{border-color:var(--good);color:var(--good)}.chip.bad{border-color:var(--accent);color:var(--accent)}.dot{width:7px;height:7px;background:var(--ink-3);display:inline-block}.dot.on{background:var(--good)}.dot.warn{background:var(--late)}.bar{height:3px;background:var(--rule);overflow:hidden}.bar>span{display:block;height:100%;background:var(--ink);transition:width .3s ease}.bar.good>span{background:var(--good)}.segmented,.tabs{display:inline-flex;gap:22px;overflow-x:auto;overflow-y:hidden;max-width:100%;scrollbar-width:none}.segmented::-webkit-scrollbar,.tabs::-webkit-scrollbar,.index::-webkit-scrollbar{display:none}.segmented button,.tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:10px 0 8px;min-height:44px;cursor:pointer;color:var(--ink-3);font-weight:500;white-space:nowrap}.segmented button.on,.tabs button.on{color:var(--ink);border-bottom-color:var(--accent)}.tabs{display:flex;border-bottom:1px solid var(--rule);gap:26px;mask-image:linear-gradient(to right,#000 90%,transparent);-webkit-mask-image:linear-gradient(to right,#000 90%,transparent)}.control-group{display:flex;flex-direction:column;gap:2px}.control-group>h3{color:var(--ink-3)}.tabs button{font-size:.95rem}.tabs button .n{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-3);margin-right:6px}.tabs button.on .n{color:var(--accent)}.stat{display:flex;flex-direction:column;gap:6px}.stat .v{font-family:var(--font-display);font-optical-sizing:auto;font-weight:300;font-size:2.9rem;line-height:1;font-variant-numeric:lining-nums tabular-nums;letter-spacing:-.03em}.stat .l{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.list{display:flex;flex-direction:column}.list-item{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:inherit}.list-item:last-child{border-bottom:0}button.list-item{background:none;border-left:0;border-right:0;border-top:0;border-radius:0;text-align:left;width:100%;cursor:pointer;font:inherit}button.list-item:hover .item-title{color:var(--accent)}.item-title{font-weight:500}input[type=range]{width:100%;accent-color:var(--accent)}select,input[type=number]{min-height:44px;padding:0 12px;border-radius:0;border:1px solid var(--ink-3);background:var(--bg);font-family:var(--font-mono);font-size:.85rem}.callout{padding:2px 0 2px 16px;border-left:2px solid var(--ink-3);font-size:.95rem;color:var(--ink)}.callout.warn{border-left-color:var(--accent)}.callout.good{border-left-color:var(--good)}.paper{position:relative}.paper svg{display:block}.score-wrap{position:relative;padding:10px 0 4px;border-top:1px solid var(--rule)}.score-cursor{position:absolute;width:2px;margin-left:4px;background:var(--accent);pointer-events:none;transition:left .08s linear}.mini-staff{display:inline-block;padding:0}.piano{position:relative;display:flex;height:132px;-webkit-user-select:none;user-select:none;touch-action:none;border-top:4px solid var(--accent)}.piano.compact{height:96px}.piano .wk{flex:1;position:relative;background:var(--key-white);border-right:1px solid var(--key-white-edge)}.piano .wk:first-child{border-left:1px solid var(--key-white-edge)}.piano .bk{position:absolute;top:0;height:61%;background:var(--key-black);z-index:2}.piano .lbl{position:absolute;bottom:6px;left:0;right:0;text-align:center;font-family:var(--font-mono);font-size:.6rem;color:var(--key-label);pointer-events:none}.piano .held.wk{background:color-mix(in srgb,var(--key-white) 70%,var(--key-black))}.piano .held.bk{background:color-mix(in srgb,var(--key-black) 60%,var(--key-white))}.piano .hint.wk{box-shadow:inset 0 -6px color-mix(in srgb,var(--key-black) 22%,transparent)}.piano .hint.bk{box-shadow:inset 0 -6px color-mix(in srgb,var(--key-white) 35%,transparent)}.piano .target.wk,.piano .target.bk{background:var(--late)}.piano .correct.wk,.piano .correct.bk{background:var(--good)}.piano .wrong.wk,.piano .wrong.bk{background:var(--accent)}.beats{display:flex;gap:6px}.beats span{width:14px;height:14px;border:1px solid var(--ink-3);transition:background .05s}.beats span.on{background:var(--accent);border-color:var(--accent)}.beats span.on.count{background:var(--ink);border-color:var(--ink)}.bpm{display:inline-flex;align-items:center;gap:0}.bpm .btn.icon{width:52px;min-height:52px}.bpm .value{min-width:112px;height:52px;display:inline-flex;align-items:baseline;justify-content:center;gap:6px;padding-top:8px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);font-family:var(--font-display);font-weight:340;font-size:1.9rem;line-height:1;font-variant-numeric:lining-nums tabular-nums}.bpm .value .muted{font-family:var(--font-text);font-size:.85rem}.verdict{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 18px;font-family:var(--font-display);font-style:italic;font-weight:380;font-size:2.2rem;line-height:1.1;letter-spacing:-.015em}.verdict.clean{color:var(--good)}.verdict.notyet{color:var(--ink)}.verdict .muted{font-family:var(--font-mono);font-style:normal;font-size:.78rem!important;letter-spacing:.04em}.tips{margin:0;padding:0;list-style:none;counter-reset:tip;display:flex;flex-direction:column}.tips li{counter-increment:tip;display:grid;grid-template-columns:36px 1fr;padding:12px 0;border-top:1px solid var(--rule);max-width:78ch}.tips li:before{content:counter(tip,decimal-leading-zero);font-family:var(--font-mono);font-size:.72rem;color:var(--accent);padding-top:3px}.choice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}.choice-grid .btn{min-height:56px;white-space:normal;text-align:center;line-height:1.2;border-color:var(--ink-3);font-weight:500}.choice-grid .btn:disabled{opacity:.4}.choice-grid .btn.right{background:var(--good);border-color:var(--good);color:var(--bg);opacity:1}.choice-grid .btn.wrongpick{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);opacity:1}.prompt{font-family:var(--font-display);font-optical-sizing:auto;font-size:clamp(1.9rem,1.2rem + 1.6vw,2.7rem);font-weight:380;line-height:1.08;letter-spacing:-.02em;max-width:24ch}.feedback{display:flex;align-items:center;gap:12px;padding:4px 0 4px 16px;border-left:3px solid;font-weight:500}.feedback.right{border-color:var(--good);color:var(--good)}.feedback.wrong{border-color:var(--accent);color:var(--accent)}.feedback span{color:var(--ink)}.entered{display:flex;gap:6px;flex-wrap:wrap;min-height:34px;align-items:center}.entered .chip{font-size:.85rem;color:var(--ink);border-color:var(--ink-3)}.toast-stack{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:8px;z-index:50;max-width:min(440px,calc(100vw - 48px))}.toast{padding:14px 18px;background:var(--ink);color:var(--bg);border-left:5px solid var(--accent);font-weight:500;animation:toast-in .18s ease-out}.toast.level{background:var(--accent);color:var(--accent-ink);border-left-color:var(--ink);font-family:var(--font-display);font-size:1.15rem;font-weight:420}.toast.success{border-left-color:var(--good)}@keyframes toast-in{0%{transform:translate(12px);opacity:0}}.timer{font-family:var(--font-mono);font-size:2.1rem;font-weight:400;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.heatmap{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,13px);gap:2px}.heatmap span{width:13px;height:13px;background:color-mix(in srgb,var(--rule) 55%,transparent)}.programme{display:flex;flex-direction:column;border-top:2px solid var(--rule-strong)}.programme .movement{display:grid;grid-template-columns:56px 92px 1fr;align-items:baseline;gap:16px;padding:18px 0;border-bottom:1px solid var(--rule)}.programme .movement .no{font-family:var(--font-display);font-style:italic;font-size:1.4rem;color:var(--accent)}.programme .movement .dur{font-family:var(--font-mono);font-size:.85rem;color:var(--ink-2)}.programme .movement .what{font-family:var(--font-display);font-size:1.55rem;font-weight:400;letter-spacing:-.01em;line-height:1.15}.programme .movement .detail{font-size:.9rem;color:var(--ink-2);margin-top:4px}.sticky-head{position:sticky;top:-44px;z-index:5;background:var(--bg);padding:20px 0 16px;border-bottom:2px solid var(--rule-strong)}.lesson{max-width:70ch}.lesson h2{margin-top:36px;margin-bottom:10px}.lesson p,.lesson li{font-family:var(--font-display);font-optical-sizing:auto;font-size:1.16rem;line-height:1.62;font-weight:360}.lesson p+p{margin-top:14px}.lesson>div>p:first-child:first-letter{font-size:3.4em;float:left;line-height:.85;padding:6px 10px 0 0;color:var(--accent);font-weight:400}.lesson ul{padding-left:20px;display:flex;flex-direction:column;gap:8px}.lesson li::marker{color:var(--accent)}.toc{list-style:none;margin:-20px 0 0;padding:0}.toc a{display:grid;grid-template-columns:56px 1fr auto;align-items:baseline;gap:16px;padding:20px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:inherit}.toc a:hover .t{color:var(--accent)}.toc .n{font-family:var(--font-display);font-style:italic;font-size:1.3rem;color:var(--accent)}.toc .t{font-family:var(--font-display);font-size:1.6rem;line-height:1.15;letter-spacing:-.01em}.toc .s{color:var(--ink-2);font-size:.92rem;margin-top:4px}.splash{display:grid;place-items:center;height:100dvh;font-family:var(--font-display);font-style:italic;font-size:1.6rem;color:var(--ink-2)}.kbd-hint{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-3);letter-spacing:.02em}.flash-wrong{animation:flash .35s ease-out}@keyframes flash{0%{box-shadow:inset 4px 0 0 var(--accent)}}.recharts-default-tooltip{border-radius:0!important;font-family:var(--font-mono);font-size:.78rem}.hint-line{font-family:var(--font-display);font-style:italic;font-size:1.15rem;line-height:1.4;padding-left:16px;border-left:2px solid var(--late);max-width:62ch}.listen-for{display:grid;grid-template-columns:110px 1fr;gap:4px 16px;align-items:baseline;max-width:78ch}.listen-for .what{font-family:var(--font-display);font-size:1.12rem;line-height:1.4}.guide{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px 32px;align-items:start}.guide ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column}.guide li{padding:8px 0;border-top:1px solid var(--rule);font-size:.95rem;color:var(--ink-2);max-width:80ch}@media(max-width:760px){.guide,.listen-for{grid-template-columns:1fr}}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:color-mix(in srgb,var(--bg) 55%,transparent)}.drawer{position:absolute;top:0;right:0;bottom:0;width:min(620px,94vw);overflow-y:auto;background:var(--bg);border-left:2px solid var(--rule-strong);padding:28px 36px 64px;display:flex;flex-direction:column;gap:16px;animation:drawer-in .18s ease-out}.drawer-title{font-size:clamp(2.2rem,1.6rem + 1.6vw,3.2rem);margin-top:12px}.drawer-sub{font-style:italic;font-size:1.2rem;color:var(--ink-2);padding-bottom:16px;border-bottom:2px solid var(--rule-strong)}@keyframes drawer-in{0%{transform:translate(24px);opacity:0}}.session-banner{position:sticky;top:-44px;z-index:6;margin:-12px 0 28px;padding:12px 0;background:var(--bg);border-bottom:2px solid var(--accent);display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap}.session-banner .what{font-family:var(--font-display);font-size:1.2rem}.movements{display:flex;gap:4px;flex-wrap:wrap}.movements button{min-width:48px;min-height:44px;padding:0 10px;border:1px solid var(--rule);border-radius:0;background:none;cursor:pointer;font-family:var(--font-display);font-style:italic;font-size:1.1rem;color:var(--ink-3)}.movements button.done{color:var(--ink-2);border-color:var(--ink-3)}.movements button.on{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}.unlock{min-height:100dvh;display:grid;place-items:center;padding:32px 24px}.passphrase{font-family:var(--font-mono);font-size:1.4rem;padding:12px 2px;border:0;border-bottom:2px solid var(--ink);border-radius:0;background:transparent;outline:none}.passphrase:focus{border-bottom-color:var(--accent)}