._sidebar_2i86f_1{width:240px;height:100%;min-height:0;color:var(--color-text-primary);background:var(--color-bg-sidebar);border-radius:10px;flex-direction:column;display:flex;overflow:hidden}._heading_2i86f_13{height:48px;color:var(--color-text-secondary);box-shadow:inset 0 -1px var(--color-border);flex:0 0 48px;align-items:center;padding:0 14px;font-size:13px;font-weight:650;display:flex}._books_2i86f_25{overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}._bookSection_2i86f_32{box-shadow:inset 0 -1px var(--color-border)}._bookButton_2i86f_36,._lessonButton_2i86f_37{width:100%;color:var(--color-text-secondary);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;display:flex}._bookButton_2i86f_36{gap:6px;min-height:44px;padding:0 12px;font-size:13px;font-weight:620}._bookButton_2i86f_36:hover,._lessonButton_2i86f_37:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}._bookButton_2i86f_36:focus-visible,._lessonButton_2i86f_37:focus-visible{z-index:1;box-shadow:inset var(--shadow-focus);outline:0;position:relative}._currentBook_2i86f_70{color:var(--color-text-primary)}._lessons_2i86f_74{padding:2px 0 6px}._lessonButton_2i86f_37{gap:8px;min-height:36px;padding:5px 12px 5px 22px;font-size:13px;line-height:20px;position:relative}._lessonNumber_2i86f_87{color:var(--color-text-tertiary);font-family:var(--font-mono);font-variant-numeric:tabular-nums;flex:0 0 20px;font-size:12px}._lessonTitle_2i86f_95{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}._currentLesson_2i86f_102{color:#fff;background:var(--color-accent);border-radius:9px}._currentLesson_2i86f_102:before{content:"";background:#ffffffd1;width:2px;position:absolute;inset:0 auto 0 0}._currentLesson_2i86f_102 ._lessonNumber_2i86f_87{color:#ffffffd1}._progressCard_2i86f_120{border-top:1px solid var(--color-border);background:var(--desk-panel);flex:none;align-items:center;gap:8px;min-height:40px;padding:8px 12px;display:flex}._progressCard_2i86f_120 span{color:var(--color-text-secondary);flex-shrink:0;font-size:11px}._progressCard_2i86f_120 b{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;font-weight:500;overflow:hidden}@media (width<=959px){._sidebar_2i86f_1{width:100%}}._button_1mlzg_1{border-radius:var(--radius-md);width:32px;height:32px;color:var(--color-text-secondary);font:inherit;cursor:pointer;background:0 0;border:0;flex:none;place-items:center;padding:0;transition:color .12s,background-color .12s;display:inline-grid}._button_1mlzg_1:hover:not(:disabled){color:var(--color-text-primary);background:var(--color-bg-hover)}._button_1mlzg_1:active:not(:disabled){background:var(--color-bg-active)}._button_1mlzg_1:disabled{color:var(--color-text-disabled);cursor:default}._button_1mlzg_1:focus-visible{box-shadow:var(--shadow-focus);outline:0}._compact_1mlzg_38{width:28px;height:28px}@media (width<=959px){._button_1mlzg_1:not(._compact_1mlzg_38){width:40px;height:40px}}._pane_ev3e0_1{border-radius:var(--radius-md);background:var(--desk-panel);border:1px solid var(--color-border);min-width:0;min-height:0;box-shadow:var(--desk-shadow);flex-direction:column;display:flex;overflow:hidden;container-type:inline-size}._pane_ev3e0_1:focus{outline:0}._activePane_ev3e0_18{box-shadow:0 0 0 1px #2b72b96b, var(--shadow-border-small)}._toolbar_ev3e0_24{z-index:2;background:var(--desk-panel);min-width:0;box-shadow:inset 0 -1px var(--color-border);flex-direction:column;flex:none;padding:0 8px 4px;display:flex;position:relative}._tabs_ev3e0_36{scrollbar-width:thin;scrollbar-color:#b9c8d8 transparent;align-items:center;gap:3px;width:100%;min-width:0;height:36px;display:flex;overflow-x:auto}._tab_ev3e0_36{border-radius:var(--radius-md);height:32px;color:var(--color-text-secondary);white-space:nowrap;cursor:pointer;background:0 0;border:0;flex:none;padding:0 9px;font-size:13px;font-weight:560;position:relative}._tab_ev3e0_36:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}._tab_ev3e0_36:focus-visible{box-shadow:var(--shadow-focus);outline:0}._activeTab_ev3e0_73{color:var(--color-accent);background:var(--color-accent-subtle);font-weight:650}._activeTab_ev3e0_73:after{background:var(--color-accent);content:"";border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:-1px;left:7px;right:7px}._controls_ev3e0_90{scrollbar-width:thin;flex:none;justify-content:flex-start;align-items:center;gap:4px;min-width:0;height:32px;display:flex;overflow-x:auto}._controls_ev3e0_90>*{flex-shrink:0}._counter_ev3e0_105,._zoomValue_ev3e0_106{min-width:36px;color:var(--color-text-secondary);font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:center;white-space:nowrap;font-size:12px}._zoomValue_ev3e0_106{min-width:42px}._controlGroup_ev3e0_120{border:1px solid var(--color-border);background:#ffffffa6;border-radius:6px;align-items:center;gap:2px;display:flex}._fitButton_ev3e0_129{border-radius:var(--radius-md);height:28px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;margin-left:2px;padding:0 7px;font-size:12px;font-weight:500}._fitButton_ev3e0_129:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}._fitButton_ev3e0_129:focus-visible{box-shadow:var(--shadow-focus);outline:0}._viewport_ev3e0_152{background:var(--color-bg-canvas);overscroll-behavior:contain;flex:1;min-width:0;min-height:0;padding:6px;position:relative;overflow:auto}._draggable_ev3e0_163{cursor:grab}._swipeable_ev3e0_167{touch-action:pan-y}._dragging_ev3e0_171{cursor:grabbing;-webkit-user-select:none;user-select:none}._paperFrame_ev3e0_176{background:var(--color-bg-paper);min-width:1px;max-width:none;box-shadow:var(--shadow-paper);border-radius:2px;margin:0 auto 8px;position:relative;overflow:hidden}._fitPageFrame_ev3e0_187{width:auto;max-width:100%;height:100%;margin-bottom:0}._fitPageFrame_ev3e0_187 img{object-fit:contain;width:100%;height:100%}._paperFrame_ev3e0_176 img{opacity:0;width:100%;height:auto;transition:opacity .12s;display:block}._paperLoaded_ev3e0_208 img{opacity:1}._imageError_ev3e0_212{color:var(--color-text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex;position:absolute;inset:0}._imageError_ev3e0_212 strong{color:var(--color-text-primary)}._imageError_ev3e0_212 span{overflow-wrap:anywhere;max-width:440px;font-family:var(--font-mono);font-size:12px}._imageError_ev3e0_212 button{border-radius:var(--radius-md);height:32px;color:var(--color-text-primary);background:var(--color-bg-surface);box-shadow:var(--shadow-border);cursor:pointer;border:0;align-items:center;gap:6px;padding:0 10px;display:inline-flex}@media (width<=959px){._toolbar_ev3e0_24{padding:0 8px 6px}._tabs_ev3e0_36{height:42px}._tab_ev3e0_36{height:38px;padding:0 10px}._controls_ev3e0_90{justify-content:center;gap:6px;height:40px}._viewport_ev3e0_152{padding:6px}}@media (width<=399px){._controls_ev3e0_90{justify-content:flex-start;gap:3px}}@container (width>=600px){._toolbar_ev3e0_24{flex-direction:row;align-items:center;gap:12px;min-height:44px;padding:0 8px}._tabs_ev3e0_36{flex:1;width:auto;min-width:260px;height:44px}._controls_ev3e0_90{height:36px;overflow:visible}}._workspace_eu520_1{background:var(--color-bg-recessed);flex:auto;gap:0;min-width:0;min-height:0;padding:0 10px;display:grid;overflow:hidden}._divider_eu520_12{z-index:2;cursor:col-resize;touch-action:none;width:6px;position:relative}._divider_eu520_12:after{background:var(--color-border-strong);content:"";border-radius:999px;transition:background-color .12s;position:absolute;inset:8px 2px}._divider_eu520_12:hover:after,._divider_eu520_12:focus-visible:after{background:var(--color-accent)}@media (width<=959px){._workspace_eu520_1{padding:0 4px}}._divider_eu520_12:focus-visible{outline:0}._bar_wfxa1_1{border:1px solid var(--color-border);background:var(--desk-panel);min-height:60px;color:var(--color-text-primary);border-radius:10px;flex:none;align-items:center;gap:12px;padding:6px 16px;display:flex}._track_wfxa1_13{min-width:0;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;margin-right:auto;padding:4px;display:flex}._track_wfxa1_13 span{gap:3px;min-width:0;display:grid}._track_wfxa1_13 strong{white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}._track_wfxa1_13 small{color:var(--color-text-secondary);font-variant-numeric:tabular-nums;font-size:11px}._control_wfxa1_42{border:1px solid var(--color-border);width:44px;height:44px;color:inherit;cursor:pointer;background:#fff;border-radius:50%;flex:0 0 44px;place-items:center;padding:0;display:grid;position:relative}._control_wfxa1_42 span{font-size:8px;position:absolute}._play_wfxa1_60{background:var(--color-accent);color:#fff;border-color:#0000}._bar_wfxa1_1 button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}._error_wfxa1_69{color:var(--color-danger);font-size:12px}@media (width<=599px){._bar_wfxa1_1{flex-wrap:wrap;gap:8px;padding:6px 10px}._track_wfxa1_13{flex:1}._error_wfxa1_69{flex-basis:100%}}._list_1k5ed_1{min-height:0;padding:10px}._compactRow_1k5ed_6{border:1px solid var(--color-border);content-visibility:auto;contain-intrinsic-size:58px;background:#fff;border-radius:8px;align-items:center;gap:10px;min-height:58px;margin-bottom:8px;padding:9px 10px;display:flex}._trackSelectButton_1k5ed_21{border-radius:var(--radius-sm);min-width:0;color:var(--color-text-secondary);cursor:pointer;text-align:left;background:0 0;border:0;flex:1;align-items:center;gap:8px;padding:8px 4px;display:flex}._trackSelectButton_1k5ed_21:hover{color:var(--color-audio-hover);background:var(--color-bg-hover)}._trackSelectButton_1k5ed_21:focus-visible{box-shadow:var(--shadow-focus);outline:0}._compactPlayButton_1k5ed_46,._skipButton_1k5ed_47,._primaryPlayButton_1k5ed_48{cursor:pointer;border:0;border-radius:50%;place-items:center;padding:0;display:inline-grid}._compactPlayButton_1k5ed_46{width:36px;height:36px;color:var(--color-text-secondary);background:var(--color-bg-surface);box-shadow:var(--shadow-border);flex:0 0 36px}._compactPlayButton_1k5ed_46:hover,._skipButton_1k5ed_47:hover{color:var(--color-audio-hover);background:var(--color-audio-subtle)}._compactPlayButton_1k5ed_46:focus-visible,._skipButton_1k5ed_47:focus-visible,._primaryPlayButton_1k5ed_48:focus-visible,._rateControl_1k5ed_75 select:focus-visible{box-shadow:var(--shadow-focus);outline:0}._fileName_1k5ed_80{min-width:0;color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;font-weight:600;overflow:hidden}._time_1k5ed_91{color:var(--color-text-tertiary);font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap;flex:none;font-size:11px}._activePlayer_1k5ed_100{border:1px solid var(--color-border);background:#fff;border-radius:8px;margin-bottom:10px;padding:16px 14px 13px}._activeHeading_1k5ed_108{align-items:flex-start;gap:12px;min-width:0;display:flex}._activeTitleGroup_1k5ed_115{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}._activeTitleGroup_1k5ed_115 strong{color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}._activeTitleGroup_1k5ed_115 span{color:var(--color-text-tertiary);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}._waveform_1k5ed_139{border-radius:var(--radius-md);height:72px;box-shadow:inset 0 0 0 1px var(--color-border);cursor:grab;touch-action:pan-y;-webkit-user-select:none;user-select:none;background:#ffffff8a;margin:13px 0 12px;position:relative;overflow:hidden}._waveform_1k5ed_139 canvas{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}._waveformDragging_1k5ed_160{cursor:grabbing}._waveform_1k5ed_139:focus-visible{box-shadow:var(--shadow-focus);outline:0}._playhead_1k5ed_169{background:var(--color-audio);pointer-events:none;border-radius:2px;width:2px;position:absolute;top:6px;bottom:6px;left:50%;transform:translate(-1px);box-shadow:0 0 0 1px #ffffffb8}._transport_1k5ed_182{grid-template-columns:36px 44px 36px minmax(60px,auto);justify-content:center;align-items:center;gap:6px;display:grid}._skipButton_1k5ed_47{width:40px;height:40px;color:var(--color-text-secondary);background:var(--color-bg-surface);box-shadow:var(--shadow-border);position:relative}._skipButton_1k5ed_47 span{color:currentColor;font-size:9px;font-weight:700;position:absolute}._primaryPlayButton_1k5ed_48{color:#fff;background:var(--color-audio);width:48px;height:48px;box-shadow:0 3px 8px #215ca826}._primaryPlayButton_1k5ed_48:hover{background:var(--color-audio-hover)}._rateControl_1k5ed_75 select{border-radius:var(--radius-md);min-width:64px;height:36px;color:var(--color-text-secondary);font:600 12px var(--font-ui);background:var(--color-bg-surface);box-shadow:var(--shadow-border);cursor:pointer;border:0;padding:0 8px}._error_1k5ed_231{color:var(--color-danger);text-align:center;margin-top:7px;font-size:12px;display:block}._emptyState_1k5ed_239{min-height:240px;color:var(--color-text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:24px;display:flex}._emptyState_1k5ed_239 strong{color:var(--color-text-primary)}._visuallyHidden_1k5ed_255{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@media (width<=720px){._compactRow_1k5ed_6{min-height:62px}._compactPlayButton_1k5ed_46,._skipButton_1k5ed_47{flex-basis:44px;width:44px;height:44px}._activePlayer_1k5ed_100{padding-inline:8px}._waveform_1k5ed_139{height:82px}._transport_1k5ed_182{grid-template-columns:40px 44px 40px;gap:4px}._primaryPlayButton_1k5ed_48{width:44px;height:44px}._rateControl_1k5ed_75 select{min-width:68px;height:44px}}@media (width<=959px){._compactRow_1k5ed_6{gap:6px;padding-inline:8px}._trackSelectButton_1k5ed_21{grid-template-columns:minmax(0,1fr) 14px;gap:2px 4px;display:grid}._fileName_1k5ed_80{grid-column:1}._time_1k5ed_91{grid-area:2/1}._trackSelectButton_1k5ed_21>svg{grid-area:1/2/3}}@media (width<=720px){._skipButton_1k5ed_47{width:40px;height:40px}._rateControl_1k5ed_75{grid-column:1/-1;justify-self:center;margin-top:8px}}._notes_kw93p_1{flex-direction:column;height:100%;min-height:0;padding:16px;display:flex}._scope_kw93p_9{color:var(--color-text-secondary);text-overflow:ellipsis;white-space:nowrap;margin-bottom:8px;font-size:12px;overflow:hidden}._notes_kw93p_1 textarea{resize:none;border-radius:var(--radius-lg);width:100%;min-height:180px;color:var(--color-text-primary);background:var(--color-bg-paper);box-shadow:var(--shadow-border);border:0;outline:0;flex:1;padding:12px;font-size:14px;line-height:22px}._notes_kw93p_1 textarea:focus-visible{box-shadow:var(--shadow-focus)}._notes_kw93p_1 textarea::placeholder{color:var(--color-text-tertiary)}._footer_kw93p_42{min-height:40px;color:var(--color-text-secondary);justify-content:space-between;align-items:end;gap:8px;padding-top:8px;font-size:12px;display:flex}._footer_kw93p_42 button{border-radius:var(--radius-md);height:32px;color:var(--color-danger);cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:12px;font-weight:500}._footer_kw93p_42 button:hover:not(:disabled){background:var(--color-danger-subtle)}._footer_kw93p_42 button:disabled{color:var(--color-text-disabled);cursor:default}._footer_kw93p_42 button:focus-visible{box-shadow:var(--shadow-focus);outline:0}._saveError_kw93p_79{color:var(--color-danger)}._vocabulary_mgqzp_1{flex-direction:column;height:100%;min-height:0;display:flex}._controller_mgqzp_8{box-shadow:inset 0 -1px var(--color-border);background:#ffffffb8;flex:none;padding:10px 12px}._playbackRow_mgqzp_15{align-items:center;gap:9px;min-width:0;display:flex}._sequenceButton_mgqzp_22{color:#fff;background:var(--color-audio);cursor:pointer;border:0;border-radius:50%;flex:0 0 34px;place-items:center;width:34px;height:34px;padding:0;display:inline-grid}._sequenceButton_mgqzp_22:hover:not(:disabled){background:var(--color-audio-hover)}._sequenceButton_mgqzp_22:focus-visible{box-shadow:var(--shadow-focus);outline:0}._sequenceButton_mgqzp_22:disabled{color:var(--color-text-disabled);background:var(--color-bg-recessed);cursor:default}._currentWord_mgqzp_51{flex-direction:column;flex:1;min-width:0;display:flex}._currentWord_mgqzp_51 strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;line-height:18px;overflow:hidden}._currentWord_mgqzp_51 span{color:var(--color-text-tertiary);font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:11px}._playbackOptions_mgqzp_74{color:var(--color-text-secondary);flex-wrap:wrap;align-items:center;gap:10px;margin-top:9px;font-size:12px;display:flex}._playbackOptions_mgqzp_74 label{align-items:center;gap:6px;display:inline-flex}._playbackOptions_mgqzp_74 select{border-radius:var(--radius-md);height:28px;color:var(--color-text-primary);background:var(--color-bg-surface);box-shadow:var(--shadow-border);border:0;padding:0 24px 0 7px;font-size:12px}._playbackOptions_mgqzp_74 select:focus-visible,._loopOption_mgqzp_102 input:focus-visible{box-shadow:var(--shadow-focus);outline:0}._loopOption_mgqzp_102{cursor:pointer}._loopOption_mgqzp_102 input{width:15px;height:15px;margin:0}._rows_mgqzp_117{overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}._row_mgqzp_117{box-shadow:inset 0 -1px var(--color-border);content-visibility:auto;contain-intrinsic-size:78px;padding:10px 12px}._currentRow_mgqzp_131{box-shadow:inset 2px 0 var(--color-accent), inset 0 -1px var(--color-border)}._activeRow_mgqzp_137{background:var(--color-accent-subtle)}._wordLine_mgqzp_141{justify-content:space-between;align-items:center;gap:8px;min-width:0;font-size:14px;font-weight:600;line-height:20px;display:flex}._wordLine_mgqzp_141>span{overflow-wrap:anywhere;min-width:0}._wordLine_mgqzp_141 button{border-radius:var(--radius-md);width:32px;height:32px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;flex:0 0 32px;place-items:center;padding:0;display:inline-grid}._wordLine_mgqzp_141 button:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}._wordLine_mgqzp_141 button:focus-visible{box-shadow:var(--shadow-focus);outline:0}._activeRow_mgqzp_137 ._wordLine_mgqzp_141 button{color:var(--color-audio)}._reading_mgqzp_185{color:var(--color-text-secondary);margin-top:1px;font-size:12px;line-height:18px}._meaning_mgqzp_192{color:var(--color-text-primary);white-space:pre-wrap;margin-top:2px;font-size:13px;line-height:20px}._audioError_mgqzp_200{color:var(--color-danger);margin-top:3px;font-size:12px}._emptyState_mgqzp_206,._errorState_mgqzp_207,._loadingState_mgqzp_208{min-height:220px;color:var(--color-text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:24px;display:flex}._emptyState_mgqzp_206 strong,._errorState_mgqzp_207 strong{color:var(--color-text-primary)}._errorState_mgqzp_207 button{border-radius:var(--radius-md);height:32px;color:var(--color-text-primary);background:var(--color-bg-surface);box-shadow:var(--shadow-border);cursor:pointer;border:0;align-items:center;gap:6px;padding:0 10px;display:inline-flex}._area_1nt8h_1{opacity:0;background:var(--color-bg-tool);flex:none;width:0;min-height:0;transition:width .15s,opacity .12s;overflow:hidden}._areaOpen_1nt8h_13{opacity:1;width:296px}._panel_1nt8h_18{background:var(--desk-panel);border-radius:10px;flex-direction:column;width:296px;height:100%;min-height:0;display:flex}._toolTabs_1nt8h_28{height:48px;box-shadow:inset 0 -1px var(--color-border);flex:0 0 48px;align-items:stretch;gap:4px;padding:6px;display:flex}._toolTab_1nt8h_28{border-radius:var(--radius-md);min-width:0;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;flex:1;justify-content:center;align-items:center;gap:5px;padding:0 6px;font-size:12px;font-weight:500;display:inline-flex;position:relative}._toolTab_1nt8h_28:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}._toolTab_1nt8h_28:focus-visible{z-index:1;box-shadow:inset var(--shadow-focus);outline:0}._activeToolTab_1nt8h_67{color:var(--color-accent);background:var(--color-accent-subtle);font-weight:650}._activeToolTab_1nt8h_67:after{content:none}._activeToolTab_1nt8h_67[data-tool-key=audio],._activeToolTab_1nt8h_67[data-tool-key=notes],._activeToolTab_1nt8h_67[data-tool-key=vocabulary]{color:var(--color-accent);background:var(--color-accent-subtle)}._panelContent_1nt8h_84{overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}@media (width<=1279px){._areaOpen_1nt8h_13,._panel_1nt8h_18{width:280px}}@media (width<=959px){._area_1nt8h_1{z-index:5;pointer-events:none;width:100%;position:absolute;inset:0}._areaOpen_1nt8h_13{pointer-events:auto}._panel_1nt8h_18{width:100%}._toolTabs_1nt8h_28{flex-basis:54px;height:54px}._toolTab_1nt8h_28{font-size:14px}}._panelHeading_1nt8h_121{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;min-height:48px;padding:8px 12px;display:flex}._panelHeading_1nt8h_121 button{border:1px solid var(--color-border);color:var(--color-text-primary);min-height:36px;font:inherit;cursor:pointer;background:#fff;border-radius:6px;padding:0 12px}._panelHeading_1nt8h_121 button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}._app_18j0n_1{background:var(--color-bg-app);flex-direction:column;gap:6px;min-width:0;height:100dvh;padding:6px;display:flex;overflow:hidden}._header_18j0n_12{z-index:5;height:44px;color:var(--color-header-text);background:var(--color-header);border-radius:10px;flex:0 0 44px;align-items:center;gap:12px;padding:0 14px;display:flex;position:relative}._headerToggle_18j0n_26{border-radius:var(--radius-md);height:36px;color:var(--color-header-text);font-family:var(--font-ui);cursor:pointer;background:0 0;border:1px solid #f8fbff3d;flex:none;justify-content:center;align-items:center;gap:8px;padding:0 12px;font-size:13px;font-weight:600;transition:border-color .14s,background-color .14s;display:inline-flex}._headerToggle_18j0n_26:hover,._headerToggle_18j0n_26[aria-pressed=true]{background:var(--color-header-hover);border-color:#f8fbff61}._headerToggle_18j0n_26:focus-visible{outline:2px solid var(--color-header-text);outline-offset:2px}._location_18j0n_58{flex:1;align-items:center;gap:12px;min-width:0;font-size:15px;line-height:20px;display:flex}._bookTitle_18j0n_68{flex:none;font-weight:650}._separator_18j0n_73{color:var(--color-text-secondary)}._lessonTitle_18j0n_77{min-width:0;color:var(--color-text-secondary);text-overflow:ellipsis;white-space:nowrap;font-weight:520;overflow:hidden}._readerModeSwitch_18j0n_86{border-radius:var(--radius-md);background:#f8fbff17;flex:none;align-items:center;gap:2px;height:32px;padding:2px;display:inline-flex;box-shadow:inset 0 0 0 1px #f8fbff2b}._readerModeButton_18j0n_98{border-radius:var(--radius-sm);min-width:42px;height:28px;color:var(--color-text-secondary);font-family:var(--font-ui);cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:12px;font-weight:500}._readerModeButton_18j0n_98:hover:not(:disabled,[data-active=true]){color:var(--color-header-text);background:#f8fbff1a}._readerModeButton_18j0n_98[data-active=true]{color:var(--color-text-primary);background:var(--color-bg-paper);box-shadow:0 2px 7px #00000021}._readerModeButton_18j0n_98:focus-visible{z-index:1;box-shadow:0 0 0 2px var(--color-header), 0 0 0 4px var(--color-header-text);outline:0;position:relative}._readerModeButton_18j0n_98:disabled{color:var(--color-text-disabled);cursor:default}._mobilePaneButton_18j0n_137{display:none}._main_18j0n_141{background:var(--color-bg-recessed);flex:1;min-height:0;display:flex;position:relative;overflow:hidden}._sidebarFrame_18j0n_150{opacity:0;flex:none;width:0;transition:width .15s,opacity .12s;overflow:hidden}._sidebarOpen_18j0n_160{opacity:1;width:240px}._statusScreen_18j0n_165{background:var(--color-bg-app);place-items:center;width:100%;height:100dvh;padding:24px;display:grid}._statusPanel_18j0n_174,._errorPanel_18j0n_175{border-radius:var(--radius-lg);background:var(--color-bg-surface);width:min(440px,100%);box-shadow:var(--shadow-border-small);padding:20px}._statusPanel_18j0n_174 span,._errorPanel_18j0n_175 p{color:var(--color-text-secondary)}._loadingLine_18j0n_188,._loadingBlock_18j0n_189{border-radius:var(--radius-sm);background:var(--color-bg-recessed)}._loadingLine_18j0n_188{width:45%;height:16px;margin-bottom:12px}._loadingBlock_18j0n_189{width:100%;height:120px;margin-bottom:16px}._retryButton_18j0n_206{border-radius:var(--radius-md);height:32px;color:var(--color-header-text);background:var(--color-audio);cursor:pointer;border:0;align-items:center;gap:6px;padding:0 10px;font-size:13px;font-weight:500;display:inline-flex}._retryButton_18j0n_206:hover{background:var(--color-audio-hover)}._retryButton_18j0n_206:focus-visible{box-shadow:var(--shadow-focus);outline:0}@media (width<=959px){._app_18j0n_1{gap:6px;min-width:0;padding:6px}._header_18j0n_12{flex-basis:52px;gap:6px;height:52px;padding:0 6px}._headerToggle_18j0n_26{border-color:#0000;width:40px;height:40px;padding:0}._headerToggle_18j0n_26 span,._bookTitle_18j0n_68,._separator_18j0n_73,._readerModeSwitch_18j0n_86{display:none}._mobilePaneButton_18j0n_137{border-radius:var(--radius-md);height:32px;color:var(--color-text-primary);font-family:var(--font-ui);cursor:pointer;background:0 0;border:0;flex:none;justify-content:center;align-items:center;padding:0 9px;font-size:12px;font-weight:500;display:inline-flex}._mobilePaneButton_18j0n_137:hover{color:var(--color-header-text);background:var(--color-header-hover)}._mobilePaneButton_18j0n_137:focus-visible{box-shadow:0 0 0 2px var(--color-header-text);outline:0}._sidebarFrame_18j0n_150{z-index:5;pointer-events:none;width:100%;position:absolute;inset:0}._sidebarOpen_18j0n_160{pointer-events:auto;width:100%}}._readingArea_18j0n_305{flex:1;min-width:0;min-height:0;display:flex}._panelHeading_18j0n_311{background:var(--desk-panel);border-bottom:1px solid var(--color-border);flex-shrink:0;justify-content:space-between;align-items:center;min-height:48px;padding:8px 12px;display:flex}._panelHeading_18j0n_311 button{border:1px solid var(--color-border);color:var(--color-text-primary);min-height:36px;font:inherit;cursor:pointer;background:#fff;border-radius:6px;padding:0 12px}._panelHeading_18j0n_311 button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@media (width<=959px){._sidebarFrame_18j0n_150{background:var(--desk-panel);border-radius:8px;flex-direction:column;display:flex}._sidebarFrame_18j0n_150>nav{flex:1;min-height:0}._readingArea_18j0n_305[aria-hidden=true]{visibility:hidden}}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{color:var(--color-text-primary);background:var(--color-bg-app);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5;overflow:hidden}button,input,textarea{font:inherit}button,input[type=range]{accent-color:var(--color-accent)}input[type=range]{accent-color:var(--color-audio)}::selection{color:var(--color-text-primary);background:var(--color-accent-subtle)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}