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24px;display:flex}._headerLeft_kksk2_17{align-items:center;gap:16px;display:flex}._logo_kksk2_23{height:44px;display:block}._standardSelect_kksk2_28{color:#0f172a;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:4px;padding:4px 8px;font-size:14px}._views_kksk2_38{align-items:center;gap:6px;display:flex}._viewBtn_kksk2_44{color:#94a3b8;cursor:pointer;background:0 0;border:1px solid #cbd5e1;border-radius:4px;padding:4px 10px;font-size:13px;font-weight:500;transition:all .15s}._viewBtn_kksk2_44._active_kksk2_55{color:#2563eb;background:#3b82f61a;border-color:#3b82f6}._toolbar_kksk2_61{border-bottom:1px solid #e2e8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:8px 24px;display:flex}._levels_kksk2_71{align-items:center;gap:8px;display:flex}._levelsLabel_kksk2_77{color:#64748b;font-size:13px}._levelBtn_kksk2_82{cursor:pointer;color:#64748b;background:#f1f5f9;border:none;border-radius:4px;width:32px;height:28px;font-size:13px;font-weight:600;transition:background .15s,color .15s}._levelBtn_kksk2_82._active_kksk2_55{color:#fff;background:#3b82f6}._sourceGroup_kksk2_99{align-items:center;gap:8px;display:flex}._sourceBtn_kksk2_105{cursor:pointer;color:#64748b;background:#f1f5f9;border:none;border-radius:4px;padding:4px 12px;font-size:13px;font-weight:600;transition:background .15s,color .15s}._sourceBtn_kksk2_105._active_kksk2_55{color:#fff;background:#3b82f6}._varyLabel_kksk2_121{color:#64748b;cursor:pointer;align-items:center;gap:6px;font-size:13px;display:flex}._varyLabel_kksk2_121 input{accent-color:#3b82f6;cursor:pointer}._varyLabel_kksk2_121._disabled_kksk2_133{opacity:.4;cursor:default}._tracks_kksk2_138{align-items:center;gap:12px;display:flex}._trackBtn_kksk2_144{border:1px solid var(--track-color);background:color-mix(in srgb, var(--track-color) 13%, transparent);color:var(--track-color);cursor:pointer;border-radius:4px;align-items:center;gap:4px;padding:4px 10px;font-size:13px;font-weight:500;transition:all .15s;display:flex}._trackBtn_kksk2_144._muted_kksk2_158{color:#94a3b8;background:0 0;border-color:#cbd5e1}._notationPanel_kksk2_164{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:24px;padding:24px 24px 16px;display:flex}._notationContent_kksk2_174{width:100%;max-width:1280px}._fadeIn_kksk2_179{animation:.2s ease-out _fadeIn_kksk2_179}@keyframes _fadeIn_kksk2_179{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}._lessonPanel_kksk2_193{background:#f1f5f9;border:1px solid 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#cbd5e1;border-radius:6px;min-width:80px;padding:8px 20px;font-size:14px;font-weight:500;transition:background .15s}._transportBtn_kksk2_260:hover{background:#e2e8f0}._transportBtn_kksk2_260:disabled{opacity:.6;cursor:wait}._tempoGroup_kksk2_280{align-items:center;gap:8px;display:flex}._tempoLabel_kksk2_286{color:#64748b;min-width:70px;font-size:13px}._tempoSlider_kksk2_292{width:100px}._volumeGroup_kksk2_296{align-items:center;gap:6px;display:flex}._volumeLabel_kksk2_302{color:#64748b;font-size:13px}._volumeSlider_kksk2_307{width:70px}._position_kksk2_311{color:#64748b;text-align:center;min-width:160px;font-size:13px}@media (width<=768px){._header_kksk2_7{padding:10px 16px}._logo_kksk2_23{height:36px}._toolbar_kksk2_61{justify-content:center;padding:8px 16px}._notationPanel_kksk2_164{gap:16px;padding:16px 12px 12px}._transport_kksk2_245{gap:12px;padding:12px 16px}._position_kksk2_311{width:100%;min-width:auto}}