:root{--bg: #ffffff;--bg-soft: #f7f7f5;--card: #ffffff;--ink: #37352f;--muted: #787774;--faint: #9b9a97;--line: rgba(55, 53, 47, .09);--line-strong: rgba(55, 53, 47, .16);--hover: rgba(55, 53, 47, .06);--hover-2: rgba(55, 53, 47, .1);--accent: #2383e2;--accent-hover: #0077d4;--accent-ink: #0b6e99;--accent-soft: #e7f3f8;--ok: #0f7b6c;--ok-soft: #ddedea;--bad: #e03e3e;--bad-soft: #fbe4e4;--warn: #d9730d;--warn-ink: #9f5a0a;--warn-soft: #faebdd;--hint: #f5c542;--hint-soft: #fbf3db;--active: #2383e2;--radius: 6px;--pop-shadow: rgba(15, 15, 15, .05) 0 0 0 1px, rgba(15, 15, 15, .1) 0 3px 6px, rgba(15, 15, 15, .2) 0 9px 24px;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:16px/1.5 ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,"Apple Color Emoji",Arial,sans-serif,"Segoe UI Emoji",Segoe UI Symbol;-webkit-font-smoothing:antialiased}[hidden]{display:none!important}:focus-visible{outline:2px solid rgba(35,131,226,.55);outline-offset:2px}.topbar{--pad-x: 24px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;padding:8px var(--pad-x) 0;background:var(--bg);border-bottom:1px solid var(--line)}.topbar h1{margin:0;font-size:1rem;font-weight:600;white-space:nowrap}.midi{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tabs{order:3;flex:1 1 100%;display:flex;flex-wrap:wrap;gap:2px;position:relative;margin:0 -10px;padding:0}.tab{border:0;background:transparent;padding:8px 10px;border-radius:4px 4px 0 0;font:inherit;font-size:.875rem;font-weight:500;color:var(--muted);cursor:pointer;transition:background .12s,color .12s}.tab:hover{background:var(--hover);color:var(--ink)}.tab.on{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ink)}.pill{padding:2px 8px;border-radius:4px;background:#e3e2e080;font-size:.8125rem;line-height:1.6;color:var(--ink)}.pill.ok{color:#1c3829;background:var(--ok-soft)}.pill.warn{color:#402c1b;background:var(--hint-soft)}.pill.bad{color:#5d1715;background:var(--bad-soft)}.pill.pulse{animation:pulse .35s}@keyframes pulse{0%{box-shadow:0 0 #0f7b6c73}to{box-shadow:0 0 0 10px #0f7b6c00}}.banner{align-self:center;width:calc(100% - 48px);max-width:912px;margin:8px 0 0;padding:6px 12px;border-radius:4px;background:var(--hint-soft);color:#402c1b;font-size:.9rem}.btn{border:1px solid var(--line-strong);background:var(--card);color:var(--ink);padding:5px 12px;border-radius:4px;font:inherit;font-size:.875rem;font-weight:500;line-height:1.5;cursor:pointer;transition:background .12s,border-color .12s}a.btn{text-decoration:none;display:inline-block}.btn:hover{background:var(--hover)}.btn:active{background:var(--hover-2)}.btn.primary{background:var(--accent);color:#fff;border-color:transparent}.btn.primary:hover{background:var(--accent-hover)}.btn.on{background:var(--accent);color:#fff;border-color:transparent}.btn.on:hover{background:var(--accent-hover)}.btn.small{padding:2px 10px;font-size:.8125rem}select,.metro-set input[type=number]{font:inherit;font-size:.875rem;padding:4px 6px;border:1px solid var(--line-strong);border-radius:4px;background:var(--bg-soft);color:var(--ink);transition:background .12s,border-color .12s}select:hover{background:#f1f1ef}select:focus,.metro-set input[type=number]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #2383e240}label{font-size:.8125rem;font-weight:500;color:var(--muted)}label.check,label.inline{display:inline-flex;align-items:center;gap:6px}label.check{font-weight:400;color:var(--ink);font-size:.875rem}label 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.3em;white-space:nowrap}.seq-note.todo{color:var(--faint)}.seq-note.done{color:var(--ok)}.name-pad{justify-content:center;margin:10px 0 0}.name-pad .chip{min-width:64px;padding:6px 16px;font-size:1.05rem;font-weight:600}.name-pad .chip.ok{background:var(--ok);border-color:var(--ok);color:#fff}.name-pad .chip.bad{background:var(--bad);border-color:var(--bad);color:#fff}.name-pad .chip.hint{background:var(--hint-soft);border-color:#e3c368}.controls{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center}.feedback{min-height:28px;margin-top:6px;font-weight:500;color:var(--muted)}.feedback.ok{color:var(--ok)}.feedback.bad{color:var(--bad)}.feedback.info{color:var(--accent)}.stats{display:flex;flex-wrap:wrap;gap:6px 28px;align-items:center;padding-block:10px}.stats div{display:flex;flex-direction:column}.stats span{font-size:.75rem;font-weight:500;color:var(--muted)}.stats b{font-size:1.2rem;font-weight:600;line-height:1.3}.stats 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.finger{position:absolute;left:50%;bottom:26px;transform:translate(-50%);min-width:22px;height:22px;line-height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:.8rem;font-weight:700;text-align:center;pointer-events:none}.key.black .finger{bottom:6px}.label{font-size:.7rem;color:var(--muted);pointer-events:none}.piano.dense .label{font-size:.55rem}.piano.dense .key.white:not(.c) .label{display:none}.piano.no-labels .label{display:none}.key.middle-c{box-shadow:inset 0 -6px #2383e259}.key.white.active{background:linear-gradient(#d3e8fb,#5aa9ee)}.key.black.active{background:linear-gradient(#5aa9ee,#1b6fc4)}.key.white.hint{background:linear-gradient(#fff6cf,var(--hint));animation:glow 1s ease-in-out infinite alternate}.key.black.hint{background:linear-gradient(#e8c63a,#a8870b);animation:glow 1s ease-in-out infinite alternate}.key.ok{background:linear-gradient(#cdeadf,var(--ok))!important}.key.bad{background:linear-gradient(#ffd9d5,var(--bad))!important}@keyframes glow{to{filter:brightness(1.08) saturate(1.2)}}.chord-name{font-size:3rem;font-weight:700;letter-spacing:-.02em;line-height:1.15;color:var(--ink)}.prog{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:8px 0 12px}.prog-item{min-width:64px;padding:6px 10px;border:1px solid var(--line-strong);border-radius:4px;background:var(--card);display:flex;flex-direction:column;align-items:center;line-height:1.25}.prog-item b{font-size:1.2rem;font-weight:600}.prog-item small{color:var(--muted)}.prog-item.cur{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--accent-soft);color:var(--accent-ink)}.prog-item.done{border-color:transparent;background:var(--ok-soft);color:var(--ok)}.metro{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.8125rem}.metro-set input[type=number]{width:3.8rem;text-align:center}.metro-set select{padding:4px 6px}.metro-dots{display:inline-flex;gap:5px;min-width:20px}.metro-dots i{width:10px;height:10px;border-radius:50%;background:#d9d7d2;transition:background .05s}.metro-dots i.on{background:var(--accent)}.metro-dots i.on.accent{background:#e8a400}.bar-timer{height:4px;margin:2px auto 10px;max-width:420px;background:var(--hover-2);border-radius:2px;overflow:hidden}.bar-timer i{display:block;height:100%;background:var(--accent);transform-origin:left}@keyframes bar-drain{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.prog-item.miss{border-color:transparent;background:var(--bad-soft);color:var(--bad)}.prog-item.assist{border-color:transparent;background:var(--warn-soft);color:var(--warn-ink)}.prog-item.skip{border-style:dashed;color:var(--muted)}.run-summary{margin:4px auto 12px;max-width:520px;padding:8px 14px;border-radius:4px;background:var(--accent-soft);color:var(--accent-ink);font-weight:500;font-size:.9rem}.run-summary.perfect{background:var(--ok-soft);color:var(--ok)}.finger-tag{display:inline-block;margin:6px auto 2px;padding:2px 10px;border-radius:4px;background:var(--warn-soft);color:var(--warn-ink);font-weight:600}.prog.compact{gap:5px}.prog.compact .prog-item{min-width:48px;padding:4px 6px}.prog.compact .prog-item b{font-size:1rem}.prog.compact .prog-item small{font-size:.7rem}button,select,label,summary{touch-action:manipulation}@media(pointer:coarse){:root{--key-w: 30px}}@media(max-width:760px){:root{--key-w: 34px}}@media(max-width:760px){.topbar{--pad-x: 14px;gap:6px 12px;padding:6px max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left))}.midi{flex:1 1 100%;flex-wrap:nowrap;gap:6px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;margin:0 -14px;padding:0 14px}.midi::-webkit-scrollbar{display:none}.midi>*,.midi-only>*{flex:none;white-space:nowrap}.midi .btn,.topbar>.btn{min-height:34px;padding:4px 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input[type=number]{font-size:16px;min-height:40px}input[type=checkbox]{flex:none;width:20px;height:20px;margin:0}label.check{font-size:.9rem}.btn{min-height:38px;padding:6px 14px}.btn.small{min-height:34px;padding:4px 10px}.chip{padding:6px 12px}.name-pad .chip{min-width:56px;min-height:44px;padding:8px 10px;flex:1 1 56px}.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}.stats .btn{grid-column:1 / -1;margin-left:0}.chord-name{font-size:2.4rem}.chord-name.seq{font-size:1.7rem}.prog-item{min-width:56px}.prog.compact .prog-item{min-width:42px}.note-tag b{font-size:1.3rem}.row{gap:8px 10px}.sg-body .row{gap:8px 14px}.pg-dlg .tips{padding-left:18px}.sg-own{order:3;flex:1 1 100%}.keyboard-panel{padding:6px max(12px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.panel-top{gap:6px}.keyboard-panel .btn.small,.opts-wrap summary{min-height:34px}.opts-wrap summary{display:flex;align-items:center;padding:2px 10px}.piano-pan{height:20px;margin-top:4px}.metro-set select,.metro-set input[type=number]{min-height:34px}.metro-set input[type=number]{width:3rem}.opts select{font-size:16px;min-height:40px}.piano{height:clamp(72px,12vh,100px)}}@media(max-height:500px){.piano{height:clamp(60px,22vh,92px)}.piano-pan{height:18px;margin-top:2px}.keyboard-panel{padding-top:4px;padding-bottom:4px}}.t-CB{--tc: #178a58;--tc-soft: #e2f6ec;--tc-ink: #0f5f3c}.t-CP{--tc: #1f6fc9;--tc-soft: #e3effc;--tc-ink: #144d8c}.t-CM{--tc: #7a47c4;--tc-soft: #efe8fb;--tc-ink: #53298f}.t-D{--tc: #c4620a;--tc-soft: #ffeedb;--tc-ink: #85420a}.t-S{--tc: #cf2a63;--tc-soft: #fde6ee;--tc-ink: #8f1c45}.t-K{--tc: #0f8a7e;--tc-soft: #dcf5f1;--tc-ink: #0a5d54}.t-N{--tc: #178a58;--tc-soft: #e2f6ec;--tc-ink: #0f5f3c}.t-H{--tc: #1f6fc9;--tc-soft: #e3effc;--tc-ink: #144d8c}.t-M{--tc: #cf2a63;--tc-soft: #fde6ee;--tc-ink: #8f1c45}.t-P{--tc: #7a4cc9;--tc-soft: #efe8fb;--tc-ink: #51308a}.t-C{--tc: #c77a12;--tc-soft: #fdf0dc;--tc-ink: #8a520a}.t-A{--tc: #0f8b8d;--tc-soft: #e0f4f4;--tc-ink: #0a5f61}.t-D{--tc: #d1495b;--tc-soft: #fbe6e9;--tc-ink: #8f2a38}.pt-hero{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;padding:22px 24px;margin-bottom:22px;color:#fff;border-radius:14px;background:linear-gradient(120deg,#178a58,#1f6fc9 38%,#7a47c4 68%,#cf2a63);box-shadow:0 6px 18px #1f6fc940}.pt-hero-text{flex:1 1 280px}.pt-hero h2{margin:0 0 4px;font-size:1.6rem}.pt-hero p{margin:0 0 12px;opacity:.95}.pt-hero small{opacity:.95}.pt-hero-bar{height:10px;border-radius:5px;background:#ffffff4d;overflow:hidden;margin-bottom:6px}.pt-hero-bar i{display:block;height:100%;border-radius:5px;background:#ffd84a;transition:width .4s}.pt-go{flex:0 1 300px;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 18px;text-align:left;border:0;border-radius:12px;background:#fff;color:#1b1b1b;cursor:pointer;font:inherit;box-shadow:0 3px #0000002e}.pt-go:hover{background:#fffbe8;transform:translateY(-1px)}.pt-go small{font-weight:700;color:#cf2a63;text-transform:uppercase;letter-spacing:.04em;font-size:.72rem;opacity:1}.pt-go b{font-size:1rem;line-height:1.3}.pt-go.done{cursor:default;font-weight:700}.pt-h{margin:6px 0 10px;font-size:1.1rem}.pt-picker{display:grid;gap:10px;margin-bottom:26px}.pt-pick{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:10px 14px;border-radius:12px;background:var(--tc-soft)}.pt-pick-name{flex:0 0 9.5em;font-weight:700;color:var(--tc-ink)}.pt-tiles{display:flex;flex-wrap:wrap;gap:8px}.pt-tile{position:relative;display:flex;flex-direction:column;align-items:center;min-width:64px;padding:6px 12px 5px;font:inherit;cursor:pointer;border:2px solid transparent;border-radius:10px;background:#fff;color:var(--tc-ink);box-shadow:0 2px #0000001a}.pt-tile b{line-height:1.2}.pt-tile small{color:var(--muted);font-size:.72rem}.pt-tile 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.fb-bow-dir{fill:var(--warn-ink)}.fb-bow-dir{fill:var(--muted);font-size:11px;font-weight:700;text-anchor:middle}.fb-mark{fill:var(--muted);font-size:16px;text-anchor:middle}.fb-open{fill:none;stroke:var(--ink);stroke-width:1.5}.fb-barre{fill:var(--accent);opacity:.85}.fb-dot{stroke:#0f0f0f40;stroke-width:1}.fb-dot.active{fill:var(--accent)}.fb-dot.hint{fill:var(--hint)}.fb-dot.ok{fill:var(--ok)}.fb-dot.bad{fill:var(--bad)}.fb-finger{fill:#fff;font-size:11px;font-weight:700;text-anchor:middle;pointer-events:none}.fb-dot.hint+.fb-finger{fill:var(--ink)}@media(max-width:760px){.fretboard-wrap{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;margin:0 -4px}.fb-board{max-height:none}.fb-board{min-width:0}.fb-board .fb-str,.fb-board .fb-finger,.fb-board .fb-bow-dir{font-size:14px}.fb-board .fb-sub-label{font-size:12px}.fb-board .fb-bow-sym{font-size:20px}.fb-chord{width:min(190px,60vw)}}.ps-strip{display:flex;align-items:center;gap:6px;flex:1 1 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