: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:12px 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:12px 0 0;padding:10px 14px;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 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 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 select{margin-left:6px}input[type=checkbox]{accent-color:var(--accent)}kbd{padding:.1em .4em;border-radius:3px;background:#87837826;color:#eb5757;font:.85em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:24px 24px 32px}.mode{display:none;gap:12px}.mode.on{display:grid;grid-template-columns:minmax(0,1fr)}.card{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px}.card h2{margin:0 0 8px;font-size:1.15rem;font-weight:600;letter-spacing:-.01em}.card.controls{background:var(--bg-soft);border-color:transparent}.center{text-align:center}.card.center{padding:24px 20px}.muted{color:var(--muted)}.small{font-size:.85rem}.row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 12px;margin-top:12px}.staff{display:flex;justify-content:center;min-height:100px}.staff.wide{display:block;text-align:left}.staff svg{max-width:100%;height:auto}.readout{min-height:56px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin-top:6px}.note-tag{display:inline-flex;flex-direction:column;align-items:center;padding:4px 14px;border-radius:4px;background:var(--accent-soft);color:var(--accent-ink)}.note-tag b{font-size:1.5rem;line-height:1.2;font-weight:700}.note-tag small{color:var(--muted)}.tips{margin:0 0 12px;padding-left:22px}.tips li{margin-bottom:4px;line-height:1.6}.label-line{margin:12px 0 6px;font-weight:600}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.chip{border:1px solid var(--line-strong);background:var(--card);color:var(--ink);padding:3px 12px;border-radius:4px;font:inherit;font-size:.9rem;cursor:pointer;transition:background .12s}.chip:hover{background:var(--hover)}.chip.on{background:var(--hint-soft);border-color:#e3c368;font-weight:600}.chord-name.seq{font-size:2.2rem}.seq-note{margin:0 .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 .btn{margin-left:auto}input[type=range]{vertical-align:middle;accent-color:var(--accent)}.dlg{width:min(760px,calc(100vw - 24px));max-height:calc(100vh - 24px);padding:20px;border:none;border-radius:8px;background:var(--card);color:var(--ink);box-shadow:var(--pop-shadow)}.dlg::backdrop{background:#0f0f0f73}.dlg h2{margin:0 0 12px;font-size:1.15rem;font-weight:600}.dlg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 12px;margin-bottom:10px}.dlg label{display:flex;flex-direction:column;gap:4px}.dlg .wide-field{grid-column:1 / -1;margin-bottom:10px}.dlg-grid .wide-field{margin-bottom:0}.dlg input[type=text],.dlg input[type=number],.dlg textarea,.dlg select{font:inherit;font-size:.875rem;padding:6px 8px;border:1px solid var(--line-strong);border-radius:4px;background:var(--bg-soft);color:var(--ink)}.dlg select{margin-left:0}.dlg textarea{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;resize:vertical}.dlg input:focus,.dlg 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20px;margin-bottom:8px}.opts-wrap{flex:1 1 320px}.opts-wrap summary{color:var(--muted);font-size:.8125rem;font-weight:500;cursor:pointer;user-select:none}.opts-wrap summary:hover{color:var(--ink)}.opts{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;margin-top:8px}.piano-scroll{overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scrollbar-width:none;border-radius:0 0 6px 6px}.piano-scroll::-webkit-scrollbar{display:none}.piano-pan{display:block;width:100%;height:28px;margin:8px 0 0;accent-color:var(--accent)}.piano{position:relative;height:clamp(110px,20vh,180px);min-width:calc(var(--whites, 0) * var(--key-w, 0px));user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;touch-action:none;border-radius:0 0 6px 6px;overflow:hidden;background:#cfcdc8}.key{position:absolute;top:0;cursor:pointer}.key.white{height:100%;background:linear-gradient(#fff,#f3f3f1);border:1px solid #cfcdc8;border-top:0;border-radius:0 0 4px 4px;display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px}.key.black{height:62%;z-index:2;background:linear-gradient(#4a4843,#1f1e1b);border-radius:0 0 3px 3px;box-shadow:inset 0 -4px #ffffff14}.key .finger{position:absolute;left:50%;bottom:34px;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:8px}.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 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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:10px max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left))}.midi{flex:1 1 100%;margin-left:0}.midi .pill{flex:1 1 auto}.tabs{flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;margin:0 -14px;padding:0 14px}.tabs::-webkit-scrollbar{display:none}.tab{flex:none;white-space:nowrap;padding:11px 12px}.banner{width:calc(100% - 24px);padding:10px 12px}main{padding:12px max(12px,env(safe-area-inset-right)) 20px max(12px,env(safe-area-inset-left))}.card{padding:14px}.card.center{padding:18px 14px}.card h2{font-size:1.05rem}.controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px;align-items:end}.controls label:not(.check){display:flex;flex-direction:column;gap:4px;font-size:.75rem}.controls label.check{grid-column:1 / -1;align-items:flex-start;line-height:1.35;padding:2px 0}.controls select{width:100%;margin-left:0}select,.metro 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0}.piano-pan{height:24px;margin-top:6px}.metro{gap:6px;justify-content:space-between}.metro-unit{display:none}.keyboard-panel .btn.small{min-height:36px;padding:6px 12px}.metro select,.metro input[type=number]{min-height:36px}.piano{height:clamp(110px,17vh,150px)}}@media(max-width:760px),(max-height:500px){.opts-wrap{position:relative}.opts-wrap .opts{position:absolute;left:0;right:0;bottom:calc(100% + 14px);z-index:6;margin:0;padding:12px;max-height:60vh;overflow-y:auto;background:var(--card);border-radius:8px;box-shadow:var(--pop-shadow)}.opts-wrap .opts>label{flex:1 1 140px}.opts-wrap .opts>label.check{flex-basis:100%}.opts select{width:100%;margin-left:0;font-size:16px;min-height:40px}.opts label:not(.check):not(.inline){display:flex;flex-direction:column;gap:4px}}@media(max-height:500px){.panel-top{flex-direction:row;align-items:center;margin-bottom:4px}.opts-wrap{flex:0 0 auto}.opts-wrap summary{padding:4px 8px;font-size:1.1rem}.opts-text{display:none}.metro{justify-content:flex-end}.piano{height:clamp(84px,26vh,130px)}.piano-pan{height:24px;margin-top:4px}.keyboard-panel{padding-top:6px}}#mode-path .card{padding:20px 24px}.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 i{position:absolute;top:-7px;right:-7px;min-width:18px;height:18px;border-radius:9px;font-style:normal;font-size:.7rem;line-height:18px;text-align:center;background:var(--tc);color:#fff}.pt-tile i:empty{display:none}.pt-tile:hover{border-color:var(--tc);transform:translateY(-1px)}.pt-tile.passed{background:var(--tc);color:#fff}.pt-tile.passed small{color:#ffffffe6}.pt-tile.passed i{background:#fff;color:var(--tc)}.pt-tile.current{border-color:var(--tc)}.pt-track{margin-bottom:28px}.pt-track-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px 12px 0 0;background:var(--tc);color:#fff}.pt-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#ffffff38;font-size:1.5rem}.pt-track-head div{flex:1}.pt-track-head h3{margin:0;font-size:1.2rem}.pt-track-head p{margin:0;font-size:.85rem;opacity:.95}.pt-count{font-weight:700;white-space:nowrap;background:#ffffff38;padding:3px 12px;border-radius:999px;font-size:.85rem}.pt-level{border:2px solid var(--tc-soft);border-top:0;background:#fff;scroll-margin-top:8px}.pt-level:last-child{border-radius:0 0 12px 12px}.pt-level+.pt-level{border-top:2px solid var(--tc-soft)}.pt-level>summary{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;list-style:none}.pt-level>summary::-webkit-details-marker{display:none}.pt-level>summary:after{content:"\25be";color:var(--tc);font-size:1.1rem;transition:transform .15s;transform:rotate(-90deg)}.pt-level[open]>summary:after{transform:none}.pt-level>summary:hover{background:var(--tc-soft)}.pt-level[open]>summary{background:var(--tc-soft)}.pt-badge{flex:none;min-width:54px;padding:6px 10px;text-align:center;font-weight:800;color:#fff;background:var(--tc);border-radius:10px}.pt-lv-title{flex:1;min-width:0;display:flex;flex-direction:column}.pt-lv-title b{font-size:1.02rem}.pt-lv-title small{color:var(--muted)}.pt-lv-side{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:4px 10px;text-align:right}.pt-lv-side small{color:var(--muted);white-space:nowrap}.pt-meter{width:90px;height:8px;border-radius:4px;background:var(--hover-2);overflow:hidden}.pt-meter i{display:block;height:100%;background:var(--tc);border-radius:4px}.pt-state{font-size:.78rem;font-weight:700;padding:2px 10px;border-radius:999px;white-space:nowrap}.pt-state.ok{background:var(--ok-soft);color:var(--ok)}.pt-state.cur{background:var(--tc);color:#fff}.pt-state.skip{background:var(--hover);color:var(--muted)}.pt-body{padding:12px 16px 16px}.pt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}.pt-lesson{display:flex;align-items:center;gap:12px;text-align:left;padding:10px 12px;font:inherit;cursor:pointer;border:2px solid var(--line-strong);border-radius:12px;background:var(--card);color:var(--ink)}.pt-lesson:hover{border-color:var(--tc);background:var(--tc-soft);transform:translateY(-1px)}.pt-lesson.done{border-color:#bfe6d3;background:#f1fbf6}.pt-lesson.done:hover{border-color:var(--tc)}.pt-num{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;font-weight:800;background:var(--tc-soft);color:var(--tc-ink)}.pt-lesson.done .pt-num{background:var(--tc);color:#fff}.pt-lt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}.pt-lt small{color:var(--muted)}.pt-stars{flex:none;font-style:normal;font-size:.85rem;color:#e8a400;white-space:nowrap}.pt-stars.done{color:var(--ok);font-weight:700}.pt-stars.none{color:var(--faint)}.pt-tile,.pt-lesson,.pt-go{transition:transform .12s,border-color .12s,background .12s}@media(max-width:560px){#mode-path .card{padding:14px 12px}.pt-hero{padding:16px}.pt-pick-name{flex-basis:100%}.pt-level>summary{flex-wrap:wrap;position:relative;padding-right:38px}.pt-level>summary:after{position:absolute;right:14px;top:18px}.pt-lv-side{flex:1 1 100%;justify-content:flex-start}.pt-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.pt-tile,.pt-lesson,.pt-go{transition:none}.pt-tile:hover,.pt-lesson:hover,.pt-go:hover{transform:none}}.path-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 12px;color:var(--muted);font-size:.85rem;margin-bottom:4px}.path-head span:first-child{flex:1 1 12em}.path-exit{flex:none}.path-bar{height:4px;background:var(--hover);border-radius:2px;margin-bottom:14px;overflow:hidden}.path-bar i{display:block;height:100%;background:var(--accent);transition:width .25s}.path-card{padding:4px 0}.path-q{font-size:1.25rem;font-weight:600;margin:8px 0 10px}.path-text{font-size:1.05rem;line-height:1.7;margin:8px 0}.path-say{font-size:1.1rem;color:var(--accent-ink)}.tagpill{display:inline-block;padding:1px 10px;border-radius:4px;background:var(--accent-soft);color:var(--accent-ink);font-size:.8rem;font-weight:600}.path-opts,.path-col{display:flex;flex-direction:column;gap:8px;align-items:stretch;max-width:520px}.path-match{display:flex;gap:24px;flex-wrap:wrap}.path-col{min-width:140px;flex:1}.btn.okb{background:var(--ok);color:#fff;border-color:transparent}.btn.badb{background:var(--bad-soft);color:var(--bad)}.btn.sel{background:var(--hint-soft);border-color:#e3c368}.bigstars{font-size:2.6rem;color:var(--warn);letter-spacing:6px}.path-video{width:100%;max-width:640px;aspect-ratio:16 / 9;border:0;border-radius:var(--radius);margin:8px 0}table.names{border-collapse:collapse;margin:10px 0;font-size:1.1rem}table.names th,table.names td{border:1px solid var(--line-strong);padding:4px 12px;text-align:center}table.names th{background:var(--bg-soft)}.path-hold{height:10px;max-width:360px;background:var(--hover);border-radius:5px;overflow:hidden;margin:8px 0}.path-hold i{display:block;height:100%;width:0;background:var(--ok)}.path-play{font-size:1.1rem;padding:10px 22px}.path-skip{margin-top:14px}.path-pass{margin:4px 0 10px;padding:8px 12px;border:1px dashed var(--line-strong);border-radius:var(--radius);display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.9rem;color:var(--muted)}.path-pass b{flex:1 1 100%;color:var(--ink)}.path-pass.ok{border-style:solid;border-color:var(--ok);background:var(--ok-soft);color:var(--ok);font-weight:600}.path-cond.ok{color:var(--ok)}.path-passnote{font-weight:600;color:var(--accent-ink)}.path-chords{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.path-chord{display:flex;flex-direction:column;align-items:center;min-width:84px;padding:10px 12px;border:2px solid var(--line-strong);border-radius:var(--radius);background:var(--bg-soft)}.path-chord b{font-size:1.6rem;line-height:1.1}.path-chord small{color:var(--muted)}.path-chord.cur{border-color:var(--accent);background:var(--accent-soft)}.path-chord.done{border-color:var(--ok);background:var(--ok-soft)}.path-chord.miss{border-color:var(--bad);background:var(--bad-soft)}.path-tick{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);cursor:pointer}.path-tick input{width:20px;height:20px}.path-remind{font-size:.9rem;color:var(--muted);background:var(--hover);border-radius:var(--radius);padding:8px 12px}.path-hands{width:100%;max-width:420px;height:auto;margin:8px 0}.path-hands .fn{fill:var(--accent)}.path-hands .fl{fill:#fff;font:700 13px sans-serif;text-anchor:middle}.path-hands .palm{fill:var(--hover);stroke:var(--muted)}.path-hands text.cap{fill:var(--muted);font:12px sans-serif;text-anchor:middle}.path-figs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;margin:8px 0}.path-fig 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var(--line-strong);border-radius:8px;background:var(--bg-soft)}.tm-zone{position:absolute;top:0;bottom:0;left:45%;width:10%;background:var(--ok-soft)}.tm-needle{position:absolute;top:6px;bottom:6px;left:50%;width:4px;margin-left:-2px;border-radius:2px;background:var(--muted);transition:left .12s ease-out}.tuner-meter.compact{height:28px;margin-top:10px}.tuner-meter.compact .tm-needle{top:3px;bottom:3px}.tuner-meter.z10 .tm-zone{left:40%;width:20%}.tuner-meter.idle .tm-needle{opacity:.35}.tuner-meter.in-tune .tm-needle{background:var(--ok)}.tuner-meter.flat .tm-needle,.tuner-meter.sharp .tm-needle{background:var(--warn)}.tm-scale{display:flex;justify-content:space-between;max-width:520px;margin:0 auto;font-size:.75rem;color:var(--muted)}@media(prefers-reduced-motion:reduce){.tm-needle{transition:none}}body[data-instrument=draw] .keyboard-panel{display:none}.drill-prompt{margin:8px 0 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var(--line-strong);border-radius:var(--radius);overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}.free-wrap canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}.path-video{display:block}@media(max-width:520px){.bp-chan label{grid-template-columns:1.6em 1fr 4.5em}.bp-slider input{width:110px}.bp-chan input[type=text]{grid-column:2 / 4}}.vid{margin:10px 0 0;max-width:640px}.vid figcaption{margin-top:4px;font-size:.8rem;color:var(--muted)}.xem-next{justify-content:flex-start;margin:10px 0 14px}.studio{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:12px 20px;align-items:start;text-align:left}@media(max-width:760px){.studio{grid-template-columns:1fr}}.st-ref-view{display:grid;place-items:center;min-height:120px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft);overflow:hidden}.st-ref-view .fig{width:100%}.st-ref-view 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