:root{--bg:#0d0f14;--panel:#161922;--panel-2:#1d212c;--line:#2a2f3c;--text:#eceef3;--muted:#9aa1b2;--accent:#f5b14c;--accent-ink:#1a1306;--right:#3ecfb2;--left:#ff8a5c;--good:#5be37d;--bad:#ff6b79;--radius:14px;--ts:1;--bar:#0f1218;--hover:#262b3a;--hover-line:#4a5266;--knob:#3a4050;font-family:Segoe UI,Nirmala UI,Noto Sans Devanagari,system-ui,-apple-system,Roboto,sans-serif;font-size:calc(16px * var(--ts));--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=light]{--bg:#f3f4f7;--panel:#fff;--panel-2:#e9ecf2;--line:#c5cbd8;--text:#14171f;--muted:#535b6e;--accent:#a85f00;--accent-ink:#fff;--right:#0b7f6a;--left:#b84a17;--good:#177a35;--bad:#c0283a;--bar:#fff;--hover:#dde1ea;--hover-line:#8e97aa;--knob:#9aa3b5;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=contrast]{--bg:#000;--panel:#000;--panel-2:#141414;--line:#fff;--text:#fff;--muted:#e6e6e6;--accent:#ffd400;--accent-ink:#000;--good:#5dff8a;--bad:#ff9aa2;--bar:#000;--hover:#2a2a2a;--hover-line:#ffd400;--knob:#6a6a6a}:root[data-theme=contrast] .btn,:root[data-theme=contrast] .card,:root[data-theme=contrast] .tile{border-width:2px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);line-height:1.45}#root{flex-direction:column;display:flex}button,select,input,textarea{font:inherit;color:inherit}h1,h2,h3,h4,p{margin:0}.muted{color:var(--muted)}.small{font-size:calc(13px * var(--ts))}small{color:var(--muted);font-size:calc(13px * var(--ts))}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.skip-link{background:var(--accent);color:var(--accent-ink);z-index:50;border-radius:8px;padding:10px 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i{background:var(--bg);border-radius:1.5px;width:5px;height:16px}.logo i:nth-child(2){height:10px}.tabs{flex-wrap:nowrap;flex:1;gap:2px;min-width:0;margin-left:8px;display:flex}.tabs button{cursor:pointer;color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:10px;min-height:44px;padding:8px 13px;font-weight:600}.tabs button:hover{background:var(--panel-2);color:var(--text)}.tabs button.on{background:var(--accent);color:var(--accent-ink)}.menu-btn,.current-tab{display:none}.current-tab{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;border-left:1px solid var(--line);flex:1;margin-left:4px;padding-left:6px;font-weight:600;overflow:hidden}.top-actions{flex:none;align-items:center;gap:6px;margin-left:auto;display:flex}.status-btn{background:var(--panel-2);border:1px solid var(--line);cursor:pointer;min-height:40px;font-size:calc(14px * var(--ts));border-radius:999px;align-items:center;gap:8px;max-width:240px;padding:0 14px;display:inline-flex}.status-btn .text{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.status-btn .dot,.status-line .dot{background:#6b7284;border-radius:50%;flex:none;width:10px;height:10px}.status-btn.connected .dot,.status-line.ok .dot{background:var(--good);box-shadow:0 0 10px var(--good)}.status-btn.connected{border-color:#5be37d80}.drawer-back{z-index:25;background:#0009;position:fixed;inset:0}.drawer{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;gap:4px;width:min(86vw,340px);padding:10px;display:flex;position:absolute;top:0;bottom:0;left:0;overflow-y:auto}.drawer-head{font-size:calc(18px * var(--ts));justify-content:space-between;align-items:center;padding:0 0 6px 8px;display:flex}.drawer-item{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:12px;flex-direction:column;align-items:flex-start;gap:2px;min-height:56px;padding:12px 14px;display:flex}.drawer-item b{font-size:calc(17px * var(--ts))}.drawer-item span{color:var(--muted);font-size:calc(13px * var(--ts))}.drawer-item:hover{background:var(--panel-2)}.drawer-item.on{background:var(--accent);color:var(--accent-ink)}.drawer-item.on span{color:var(--accent-ink)}.drawer-foot{border-top:1px solid var(--line);flex-direction:column;gap:8px;margin-top:auto;padding-top:10px;display:flex}.main{flex:1;min-height:0;overflow-y:auto}.practice-main{display:flex;overflow:hidden}.page{flex-direction:column;gap:16px;max-width:980px;margin:0 auto;padding:20px 16px 90px;display:flex}.hero{padding:10px 4px 0}.hero h1{font-size:calc(30px * var(--ts));margin-bottom:6px}.hero p{color:var(--muted);font-size:calc(17px * var(--ts))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:12px;padding:18px;display:flex}.card.center{text-align:center;align-items:center;padding:28px 18px}.card h2{font-size:calc(20px * var(--ts));flex-wrap:wrap;align-items:center;gap:10px;display:flex}.card h3{font-size:calc(15px * var(--ts));color:var(--muted);margin-top:6px;font-weight:600}.card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.step{background:var(--accent);width:28px;height:28px;color:var(--accent-ink);font-size:calc(15px * var(--ts));border-radius:50%;flex:none;place-items:center;font-weight:700;display:inline-grid}.status-line{color:var(--muted);align-items:center;gap:10px;display:flex}.status-line.ok{color:var(--text);font-weight:600}.note{font-size:calc(14px * var(--ts));background:#f5b14c1a;border:1px solid #f5b14c59;border-radius:10px;padding:10px 12px}.label-row{font-size:calc(13px * var(--ts));color:var(--muted);margin-top:4px;font-weight:600}ol.plain{text-align:left;margin:0;padding-left:22px}.btn{background:var(--panel-2);border:1px solid var(--line);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:9px 16px;transition:background .15s,border-color .15s;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--hover-line);background:var(--hover)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.small{min-height:36px;font-size:calc(14px * var(--ts));padding:6px 12px}.btn.big{min-height:52px;font-size:calc(17px * var(--ts));padding:12px 22px;font-weight:600}.btn.ghost{background:0 0}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:650}.btn.primary:hover:not(:disabled){background:#ffc266;border-color:#ffc266}.btn.on{border-color:var(--accent);color:var(--accent)}.btn.danger{color:var(--bad);border-color:#7a3640}.btn.recording,.tile.recording{border-color:var(--bad);color:var(--bad);animation:1.2s infinite pulse}.btn.play{min-width:116px;min-height:48px;font-size:calc(18px * var(--ts));background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}@keyframes pulse{50%{box-shadow:0 0 0 6px #ff6b792e}}.btn-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn-row.tight{gap:6px}.btn-row.center{justify-content:center}.link{color:var(--accent);cursor:pointer;background:0 0;border:0;align-self:flex-start;padding:4px 0;text-decoration:underline}.tile-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;display:grid}.tile{background:var(--panel-2);border:1px solid var(--line);cursor:pointer;text-align:left;border-radius:12px;flex-direction:column;gap:4px;min-height:84px;padding:14px;display:flex}.tile:hover:not(:disabled){border-color:var(--accent)}.tile:disabled{opacity:.5;cursor:wait}.tile b{font-size:calc(16px * var(--ts))}.tile span{color:var(--muted);font-size:calc(14px * var(--ts))}.seg{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;display:inline-flex;overflow:hidden}.seg.wrap{flex-wrap:wrap}.seg button{cursor:pointer;min-width:44px;min-height:42px;color:var(--muted);background:0 0;border:0;align-items:center;gap:6px;padding:9px 14px;display:inline-flex}.seg button.on{background:var(--accent);color:var(--accent-ink);font-weight:650}.sw{border-radius:3px;width:10px;height:10px;display:inline-block}.sw.r{background:var(--right)}.sw.l{background:var(--left)}.toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;min-height:42px;display:inline-flex}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle span{background:var(--knob);border-radius:12px;flex:none;width:40px;height:22px;transition:background .15s;position:relative}.toggle span:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:transform .15s;position:absolute;top:3px;left:3px}.toggle input:checked+span{background:var(--accent)}.toggle input:checked+span:after{transform:translate(18px)}.toggle input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}select,textarea,input[type=text]{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;min-height:40px;padding:8px 10px}.wide-select{width:100%;max-width:420px}textarea.full,.field textarea{resize:vertical;width:100%}input[type=range]{accent-color:var(--accent);width:130px}input[type=checkbox]{accent-color:var(--accent);flex:none;width:20px;height:20px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:600}.chip.tonic{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.chip.tonic small{color:var(--accent-ink)}.chip.action{cursor:pointer}.chip.action:hover{border-color:var(--accent)}.pill{background:var(--panel-2);font-size:calc(14px * var(--ts));font-variant-numeric:tabular-nums;text-align:center;border-radius:999px;min-width:52px;padding:3px 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var(--line);text-align:right;pointer-events:none;background:#0f1218d9;border-radius:12px;padding:8px 14px;position:absolute;top:12px;right:14px}.now-chord .sym{font-size:calc(26px * var(--ts));color:var(--accent);font-weight:700}.now-chord .notes{font-size:calc(13px * var(--ts));color:var(--muted)}.wait-badge{background:var(--accent);color:var(--accent-ink);pointer-events:none;border-radius:999px;padding:8px 16px;font-weight:650;position:absolute;top:14px;left:50%;transform:translate(-50%)}.stage-note{border:1px solid var(--line);max-width:92%;font-size:calc(14px * var(--ts));color:var(--muted);pointer-events:none;text-align:center;background:#0f1218d9;border-radius:999px;padding:8px 16px;position:absolute;top:12px;left:50%;transform:translate(-50%)}.rotate-card{background:var(--panel);border:1px solid var(--accent);z-index:2;border-radius:14px;flex-wrap:wrap;align-items:center;gap:10px;width:min(94%,420px);padding:12px 14px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #00000080}.rotate-card .icon{color:var(--accent)}.bar-row{background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:8px 10px;display:flex}.bar-row.helpers{background:0 0;border:0;padding:0 2px}.bar-row .group.end{margin-left:auto}.bar-row select{font-variant-numeric:tabular-nums;min-height:44px}.seg .short{display:none}.helper{background:var(--panel);border:1px solid var(--line);border-radius:999px;align-items:center;padding-right:6px;display:inline-flex}.helper>button[role=switch]{cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;align-items:center;gap:8px;min-height:42px;padding:0 8px 0 10px;display:inline-flex}.helper>button[role=switch]:disabled{opacity:.5;cursor:wait}.helper .knob{background:var(--knob);border-radius:12px;flex:none;width:34px;height:20px;transition:background 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12px;display:flex}.controls.flat{background:0 0;border:0;padding:0}.group{align-items:center;gap:8px;display:flex}.group.wrap{flex-wrap:wrap}.label{color:var(--muted);font-size:calc(14px * var(--ts))}.time{font-variant-numeric:tabular-nums;color:var(--muted);min-width:96px}.scorebar{flex-wrap:wrap;align-items:center;gap:22px;padding:4px 6px;display:flex}.scorebar b{font-size:calc(18px * var(--ts))}.scorebar .good b{color:var(--good)}.scorebar .bad b{color:var(--bad)}.scorebar .acc b{color:var(--accent)}.beta{color:#fff;font-size:calc(11px * var(--ts));letter-spacing:.5px;text-transform:uppercase;vertical-align:middle;background:#7c5cff;border-radius:6px;padding:2px 6px;font-weight:700;display:inline-block}.center-text{text-align:center}.link.inline{align-self:auto;padding:0}a.btn{color:inherit;text-decoration:none}.daily-row{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.daily-main{flex-direction:column;flex:1;gap:6px;min-width:220px;display:flex}.daily-main .big-number{font-size:calc(34px * var(--ts));display:inline}.streak{background:var(--panel-2);border-radius:14px;flex-direction:column;align-items:center;padding:10px 18px;display:flex}.streak b{font-size:calc(30px * var(--ts));color:var(--accent);line-height:1.1}.streak span{font-size:calc(13px * var(--ts));color:var(--muted)}.rhythm-track{background:var(--panel-2);border-radius:12px;height:74px;margin:0 14px;position:relative}.rhythm-track .beat-mark{font-size:calc(12px * var(--ts));color:var(--muted);border-left:1px solid var(--line);height:66px;padding-left:4px;position:absolute;top:4px;transform:translate(-50%)}.rhythm-track .dot{border-radius:50%;width:18px;height:18px;position:absolute;transform:translate(-50%)}.rhythm-track .dot.want{background:var(--accent);top:18px}.rhythm-track .dot.got{background:var(--right);top:46px}.tap-pad{border:3px solid var(--line);background:var(--panel-2);width:100%;min-height:120px;font-size:calc(34px * var(--ts));letter-spacing:4px;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;border-radius:18px;font-weight:800}.tap-pad.live{border-color:var(--good);color:var(--good)}.tap-pad:disabled{opacity:.5}.tap-pad:active:not(:disabled){background:var(--hover);transform:scale(.99)}.quiz-edit{border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:10px;min-width:0;margin:0;padding:12px 14px;display:flex}.quiz-edit legend{padding:0 6px;font-weight:700}.answer-row{align-items:center;gap:10px;display:flex}.answer-row input[type=text],.field input[type=text]{flex:1;width:100%}.field.grow{flex:1;min-width:220px}input[type=radio]{accent-color:var(--accent);flex:none;width:20px;height:20px}.report-card{flex-direction:column;gap:12px;display:flex}.report-head{border-bottom:2px solid var(--accent);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-bottom:10px;display:flex}.report-title{font-size:calc(24px * var(--ts));font-weight:800}.report-level{background:var(--panel-2);border-radius:12px;flex-direction:column;align-items:center;padding:8px 16px;display:flex}.report-level b{font-size:calc(20px * var(--ts));color:var(--accent)}.report-level span{font-size:calc(12px * var(--ts));color:var(--muted)}.mode-note{font-size:calc(14px * var(--ts));background:#f5b14c1a;border:1px solid #f5b14c59;border-radius:10px;padding:8px 12px}.song-group{flex-direction:column;gap:6px;display:flex}.btn.song-btn{text-align:left;flex-direction:column;align-items:flex-start;gap:0;min-height:52px;padding:8px 14px}.btn.song-btn b{font-weight:600}.voice-hint{font-size:calc(14px * var(--ts));background:#3ecfb21a;border:1px solid #3ecfb266;border-radius:10px;padding:8px 12px}.mic-box{background:var(--panel-2);border-radius:12px;flex-direction:column;align-items:flex-start;gap:8px;padding:12px 14px;display:flex}.mic-box .meter{width:100%}.heard{font-size:calc(22px * 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