@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap";._layout_1mtui_1{position:relative;display:grid;flex:1;grid-template-columns:1fr;grid-template-rows:1fr var(--player-controls-height);grid-template-areas:"content" "controls";height:100%;width:100%;overflow:hidden;transition:grid-template-columns .3s ease}._recording_1mtui_14{grid-template-rows:1fr;grid-template-areas:"content"}._contentContainer_1mtui_19{grid-area:content;position:relative;min-width:0;min-height:0;overflow:hidden;display:flex;flex-direction:column;margin:var(--spacing-24) var(--spacing-16) var(--spacing-16);gap:24px}._contentContainer_1mtui_19._chatOpen_1mtui_30{display:grid;grid-template-columns:1fr var(--chat-width);grid-template-rows:1fr;grid-template-areas:"player chat"}._mainContent_1mtui_37{position:relative;display:flex;flex-direction:column;gap:var(--spacing-16);overflow:hidden}._playerScore_1mtui_45{grid-area:player;flex:1;min-height:0}._headerButtons_1mtui_51{position:absolute;top:var(--spacing-16);right:var(--spacing-16);z-index:100;display:flex;gap:var(--spacing-8)}._headerButton_1mtui_51{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-12);color:var(--color-text-placeholder);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}._headerButton_1mtui_51:hover{color:var(--color-text-primary);border-color:var(--color-accent-start);box-shadow:var(--shadow-md)}._delayCountdownOverlay_1mtui_80{position:absolute;top:0;right:0;bottom:0;left:0;z-index:120;display:flex;align-items:center;justify-content:center;background:#1525568c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:none;animation:_delayCountdownBackgroundBlink_1mtui_1 1s ease-in-out infinite}._delayCountdownText_1mtui_93{min-width:180px;padding:var(--spacing-24) var(--spacing-32);color:var(--color-text-inverse);font-size:clamp(64px,12vw,148px);font-weight:var(--font-weight-bold);line-height:1;text-align:center;text-transform:uppercase;text-shadow:0 8px 28px rgba(0,0,0,.35)}@keyframes _delayCountdownBackgroundBlink_1mtui_1{0%,to{background:#1525568c}50%{background:transparent}}._keyboard_1njzp_1{position:relative;flex-shrink:0;width:100%;height:var(--piano-keyboard-height);-webkit-user-select:none;user-select:none;background-color:var(--osmd-bg-primary);border-top:1px solid var(--osmd-border-light);box-shadow:0 -2px 6px #0000000f;overflow:visible;display:flex;flex-direction:row}._handLabel_1njzp_15{flex-shrink:0;width:26px;display:flex;align-items:center;justify-content:center;writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);font-family:var(--osmd-font-sans);font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-right:1px solid var(--osmd-border-light);background-color:var(--osmd-bg-primary)}._keysArea_1njzp_34{flex:1;min-width:0;position:relative}._svg_1njzp_40{display:block;width:100%;height:100%;pointer-events:none}._closeButton_1njzp_49{position:absolute;top:-22px;right:0;display:flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:1px solid var(--osmd-border-light);border-bottom:none;border-radius:0;background-color:var(--osmd-bg-primary);color:var(--osmd-text-secondary);cursor:pointer;transition:background-color .15s ease,color .15s ease}._closeButton_1njzp_49 svg{width:14px;height:14px}._closeButton_1njzp_49:hover{background-color:var(--osmd-border-light);color:var(--osmd-text-primary)}._closeButton_1njzp_49:focus-visible{outline:2px solid var(--osmd-piano-focus);outline-offset:2px}._keyLabel_1njzp_85{font-family:var(--osmd-font-sans);font-size:8px;fill:var(--osmd-piano-key-label);pointer-events:none;-webkit-user-select:none;user-select:none}@keyframes _pianoKeyFlash_1njzp_1{0%{opacity:1}45%{opacity:.92}70%{opacity:.55}to{opacity:0}}._keyHighlight_1njzp_112{pointer-events:none;animation-name:_pianoKeyFlash_1njzp_1;animation-timing-function:ease-out;animation-fill-mode:forwards;animation-iteration-count:1}._loopControls_1pqsy_1{position:absolute;bottom:var(--loop-controls-bottom, 68px);left:50%;transform:translate(-50%);display:flex;align-items:center;gap:16px;padding:12px 20px;background-color:var(--osmd-bg-control);border:1px solid var(--osmd-border-light);border-radius:8px;box-shadow:0 4px 16px #0003;z-index:99999;pointer-events:auto}._loopInfo_1pqsy_21{font-size:14px;font-weight:500;color:var(--osmd-text-primary);white-space:nowrap}._buttons_1pqsy_28{display:flex;gap:8px}._button_1pqsy_28{display:flex;align-items:center;gap:6px;padding:8px 14px;background-color:var(--osmd-bg-primary);border:1px solid var(--osmd-border-light);border-radius:6px;cursor:pointer;transition:all .2s ease;color:var(--osmd-text-primary);font-size:13px;font-weight:500}._button_1pqsy_28:hover{background-color:var(--osmd-border-light);border-color:var(--osmd-border)}._button_1pqsy_28:active{transform:scale(.98)}._button_1pqsy_28 svg{flex-shrink:0}._mouseTrap_fwgwa_1{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;pointer-events:auto}._indicator_fwgwa_8{position:absolute;pointer-events:none;z-index:15;background:#26c9514f;border-radius:4px;will-change:transform}._indicatorPulse_fwgwa_17{animation:_indicatorPulse_fwgwa_17 .35s ease-out}@keyframes _indicatorPulse_fwgwa_17{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}._countdownNumber_fwgwa_33{position:absolute;pointer-events:none;z-index:15;font-family:var(--font-family);font-weight:600;font-size:28px;line-height:140%;text-align:right;color:#009951;white-space:nowrap;-webkit-user-select:none;user-select:none}.osmd-player-scope{--osmd-bg-primary: #ffffff;--osmd-bg-control: #fdfdff;--osmd-text-primary: #152556;--osmd-text-secondary: #636e8e;--osmd-border: #d7d7d7;--osmd-border-light: #eaeaea;--osmd-piano-white-fill: #fafafa;--osmd-piano-white-stroke: #cccccc;--osmd-piano-black-fill: #1f1f1f;--osmd-piano-black-stroke: #000000;--osmd-piano-rh: #e53935;--osmd-piano-lh: #fbc02d;--osmd-piano-key-label: rgba(0, 0, 0, .45);--osmd-piano-focus: #4a90e2;--osmd-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}@keyframes osmd-overlay-fade-in{0%{opacity:0}to{opacity:1}}@keyframes osmd-overlay-fade-out{0%{opacity:1}to{opacity:0}}.osmd-feedback-notehead{pointer-events:none}.osmd-feedback-notehead--correct{fill:#14ae5c}.osmd-feedback-notehead--wrong{fill:#ec221f}.osmd-feedback-notehead--missing{fill:#8a9bb5;stroke:#6b7d9e;stroke-width:1.5;stroke-dasharray:3,2}.osmd-feedback-notehead--rhythm{fill:#007aff}.osmd-feedback-line{stroke:#007aff;stroke-width:2;pointer-events:none}._player_iyik5_1{position:relative;background-color:var(--osmd-bg-primary);overflow:hidden;width:100%;height:100%;min-width:0;isolation:isolate;display:flex;flex-direction:column;--piano-keyboard-height: 132px;--loop-controls-bottom: calc(var(--piano-keyboard-height) + 12px);--cursor-scale-y: 1.12}._osmdWrapper_iyik5_23{width:100%;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden}._pianoSlot_iyik5_31{flex-shrink:0}._osmdWrapperHorizontal_iyik5_36{overflow-x:auto;overflow-y:auto}._osmdWrapperPaged_iyik5_42{display:flex;flex-direction:row;align-items:stretch;overflow:hidden}._pageNavButton_iyik5_49{flex-shrink:0;align-self:stretch;display:flex;align-items:center;justify-content:center;width:40px;padding:0;border:none;border-left:1px solid var(--osmd-border-light);border-right:1px solid var(--osmd-border-light);background-color:var(--osmd-bg-control);color:var(--osmd-text-primary);cursor:pointer;transition:background-color .15s ease}._pageNavButton_iyik5_49:hover:not(:disabled){background-color:var(--osmd-border-light)}._pageNavButton_iyik5_49:disabled{opacity:.35;cursor:not-allowed}._pageNavButtonHiddenWhilePlaying_iyik5_76,._pageNavButtonHiddenSinglePage_iyik5_82{visibility:hidden;pointer-events:none}._pageNavIcon_iyik5_87{width:22px;height:22px}._notationViewportPaged_iyik5_93{flex:1;min-width:0;min-height:0;overflow:hidden}._pagedStrip_iyik5_92{width:100%;will-change:transform}._pagedMotion_iyik5_106{width:100%}._pagedMotionFromRight_iyik5_110{animation:_pagedEnterFromRight_iyik5_1 .2s ease-out}._pagedMotionFromLeft_iyik5_114{animation:_pagedEnterFromLeft_iyik5_1 .2s ease-out}@keyframes _pagedEnterFromRight_iyik5_1{0%{transform:translate(18px);opacity:.86}to{transform:translate(0);opacity:1}}@keyframes _pagedEnterFromLeft_iyik5_1{0%{transform:translate(-18px);opacity:.86}to{transform:translate(0);opacity:1}}._notationViewport_iyik5_93{position:relative;width:100%;min-width:0;min-height:0}._osmdContainer_iyik5_142{position:relative;width:100%;cursor:crosshair;-webkit-user-select:none;user-select:none}._osmdContainer_iyik5_142 img[id^=cursorImg]{z-index:5!important;opacity:.5;pointer-events:none;border-radius:8px;transform:scaleY(var(--cursor-scale-y));transform-origin:center center}._osmdContainerGrowWidth_iyik5_175{width:max-content;min-width:100%}._loadingOverlay_iyik5_180{position:absolute;top:0;right:0;bottom:0;left:0;z-index:25;display:flex;align-items:center;justify-content:center;background:#00000038;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:all}._loader_iyik5_192{width:44px;height:44px;border-radius:50%;border:4px solid rgba(255,255,255,.28);border-top-color:#fff;animation:_spin_iyik5_1 .85s linear infinite}@keyframes _spin_iyik5_1{to{transform:rotate(360deg)}}._placeholder_iyik5_207{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;height:100%;background-color:var(--osmd-bg-primary);border:2px dashed var(--osmd-border);border-radius:12px;margin:16px;color:var(--osmd-text-secondary)}._loopControls_xavr2_1{position:absolute;bottom:var(--loop-controls-bottom, calc(var(--player-controls-height) + var(--spacing-12)));left:50%;transform:translate(-50%);display:flex;align-items:center;gap:16px;padding:12px 20px;background-color:var(--color-bg-control);border:1px solid var(--color-border-light);border-radius:var(--radius-8);box-shadow:0 4px 16px #0003;z-index:99999;pointer-events:auto}._loopInfo_xavr2_18{font-size:14px;font-weight:500;color:var(--color-text-primary);white-space:nowrap}._buttons_xavr2_25{display:flex;gap:8px}._button_xavr2_25{display:flex;align-items:center;gap:6px;padding:8px 14px;background-color:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-6);cursor:pointer;transition:all .2s ease;color:var(--color-text-primary);font-size:13px;font-weight:500}._button_xavr2_25:hover{background-color:var(--color-border-light);border-color:var(--color-border)}._button_xavr2_25:active{transform:scale(.98)}._button_xavr2_25 svg{flex-shrink:0}._player_zc5yy_1{position:relative;grid-area:player;background-color:var(--color-bg-primary);overflow:visible;min-width:0;isolation:isolate}._iframeWrapper_zc5yy_10{position:relative;width:100%;overflow:hidden;z-index:1;height:calc(100% + var(--soundslice-player-height))}._iframeOverlay_zc5yy_18{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;background:transparent;cursor:default}._iframe_zc5yy_10{position:relative;width:100%;height:100%;border:none}._loadingOverlay_zc5yy_33{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;display:flex;align-items:center;justify-content:center;background:#00000038;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:all}._loader_zc5yy_45{width:44px;height:44px;border-radius:50%;border:4px solid rgba(255,255,255,.28);border-top-color:#fff;animation:_spin_zc5yy_1 .85s linear infinite}@keyframes _spin_zc5yy_1{to{transform:rotate(360deg)}}._placeholder_zc5yy_59{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-16);height:100%;background-color:var(--color-bg-primary);border:2px dashed var(--color-border);border-radius:var(--radius-12);margin:var(--spacing-16);color:var(--color-text-secondary)}._controls_m0sr9_1{grid-area:controls;background-color:var(--color-bg-control);border-top:1px solid var(--color-border-light);min-width:0;height:var(--player-controls-height);z-index:30}._content_m0sr9_11{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 var(--spacing-16) 0 0}._composition_m0sr9_19{display:flex;align-items:center;gap:var(--spacing-20)}._compositionTitle_m0sr9_25{font-size:var(--font-size-14);font-weight:var(--font-weight-medium)}._teacherSection_m0sr9_30{display:flex;align-items:center;gap:var(--spacing-8);position:relative}._metronomeWrap_m0sr9_37{position:relative}._bpmIndicator_m0sr9_41{font-size:var(--font-size-12);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);padding:var(--spacing-4) var(--spacing-8);background-color:var(--color-bg-control);border:1px solid var(--color-border-light);border-radius:var(--radius-8)}._teacherButton_m0sr9_51{display:flex;align-items:center;gap:var(--spacing-8);padding:var(--spacing-8) var(--spacing-12);color:var(--color-text-primary);font-size:var(--font-size-14);font-weight:var(--font-weight-medium);border-radius:var(--radius-8);transition:background-color .2s ease,color .2s ease}._teacherButton_m0sr9_51:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}._controlButtons_m0sr9_68{display:flex;align-items:center;gap:var(--spacing-8)}._controlButton_m0sr9_68{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-4);color:var(--color-text-primary);transition:color .2s ease;width:60px}._controlButton_m0sr9_68:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}._recordingButton_m0sr9_90{color:#e11d48}._recordButtonUploading_m0sr9_94:disabled{opacity:1;cursor:wait}._recordSpinner_m0sr9_99{box-sizing:border-box;width:22px;height:22px;border-radius:50%;border:2px solid var(--color-border-light);border-top-color:var(--color-text-primary);animation:_recordSpin_m0sr9_99 .75s linear infinite}@keyframes _recordSpin_m0sr9_99{to{transform:rotate(360deg)}}._iconWrapper_m0sr9_114{display:flex;align-items:center;justify-content:center;width:24px;height:24px}._label_m0sr9_122{font-size:var(--font-size-10);font-weight:var(--font-weight-medium);text-align:center;line-height:1.2}._settingsButton_m0sr9_129{color:var(--color-settings-text);padding:var(--spacing-4) var(--spacing-8);transition:background-color .2s ease,color .2s ease}._settingsButton_m0sr9_129:hover{background-color:var(--color-settings-accent-bg-hover)}._settingsButtonActive_m0sr9_138{background-color:var(--color-settings-accent-bg-active)}._metronomeToneActive_m0sr9_142:not(:disabled){color:var(--color-accent, #6366f1)}._backdrop_ota44_1{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-index-settings-backdrop);background:transparent}._dropdown_ota44_8{position:absolute;bottom:calc(100% + var(--spacing-8));right:0;display:flex;width:471px;height:314px;background-color:var(--color-settings-bg);border:1px solid var(--color-settings-border);box-shadow:0 4px 25px #00000040;overflow:hidden;z-index:var(--z-index-settings-dropdown)}._leftPanel_ota44_22{width:164px;min-width:164px;background-color:var(--color-settings-panel);display:flex;flex-direction:column;overflow-y:auto}._sectionHeader_ota44_31{height:32px;min-height:32px;display:flex;align-items:center;padding:0 18px;background-color:var(--color-settings-accent-bg);font-family:var(--font-primary);font-weight:var(--font-weight-bold);font-size:var(--font-size-12);line-height:18px;color:var(--color-settings-text)}._categoryItem_ota44_45{height:32px;min-height:32px;display:flex;align-items:center;padding:0 18px;font-family:var(--font-primary);font-weight:var(--font-weight-bold);font-size:var(--font-size-12);line-height:18px;color:var(--color-settings-text);background-color:var(--color-settings-panel);text-align:left;cursor:pointer;transition:background-color .15s ease;border-left:3px solid transparent}._categoryItem_ota44_45:hover{background-color:var(--color-settings-panel-hover)}._categoryItemActive_ota44_66{background-color:var(--color-settings-accent-bg-subtle);border-left-color:var(--color-settings-accent-border)}._rightPanel_ota44_71{flex:1;padding:var(--spacing-6) var(--spacing-12);overflow-y:auto;display:flex;flex-direction:column}._radioItem_ota44_79{display:flex;align-items:center;gap:var(--spacing-6);height:32px;width:100%;padding:0 var(--spacing-6);cursor:pointer;border-radius:var(--radius-4);text-align:left;transition:background-color .15s ease}._radioItem_ota44_79:hover{background-color:#0000000a}._radio_ota44_79{width:20px;height:20px;min-width:20px;border-radius:var(--radius-full);background-color:var(--color-bg-primary);border:1px solid var(--color-settings-text-muted);display:flex;align-items:center;justify-content:center;flex-shrink:0}._radioSelected_ota44_108{border-color:var(--color-settings-accent)}._radioDot_ota44_112{width:10px;height:10px;border-radius:var(--radius-full);background-color:var(--color-settings-accent)}._radioLabel_ota44_119{font-weight:var(--font-weight-regular);font-size:var(--font-size-12);line-height:var(--line-height-tight);color:var(--color-settings-text)}._divider_ota44_126{height:1px;background-color:#0000001a;margin:0 var(--spacing-6)}._settingsList_ota44_132{display:flex;flex-direction:column;padding:var(--spacing-4) 0}._groupHeader_ota44_138{padding:var(--spacing-6) var(--spacing-6) var(--spacing-2);font-family:var(--font-primary);font-size:var(--font-size-10);font-weight:var(--font-weight-bold);color:var(--color-settings-text-muted);text-transform:uppercase;letter-spacing:.06em}._settingRow_ota44_148{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-8) var(--spacing-6)}._settingLabel_ota44_155{font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-regular);color:var(--color-settings-text)}._toggle_ota44_162{position:relative;width:36px;height:20px;min-width:36px;background-color:#00000026;border-radius:10px;transition:background-color .2s ease;flex-shrink:0}._toggle_ota44_162:hover:not(:disabled){background-color:#00000038}._toggle_ota44_162:disabled{opacity:.45;cursor:not-allowed}._toggleOn_ota44_180{background-color:var(--color-settings-accent)}._toggleOn_ota44_180:hover:not(:disabled){background-color:var(--color-settings-accent);opacity:.9}._toggleOn_ota44_180 ._toggleThumb_ota44_187{transform:translate(16px)}._toggleThumb_ota44_187{position:absolute;top:2px;left:2px;width:16px;height:16px;background-color:#fff;border-radius:50%;box-shadow:0 1px 3px #0003;transition:transform .2s ease}._resetButton_ota44_203{font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-regular);color:var(--color-settings-accent);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:2px}._resetButton_ota44_203:hover{opacity:.75}._selectWrapper_ota44_219{position:relative;display:flex;align-items:center}._selectWrapper_ota44_219:after{content:"";position:absolute;right:10px;top:50%;transform:translateY(-50%);width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--color-settings-text);pointer-events:none}._select_ota44_219{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:153px;height:30px;background-color:#fff;border:1px solid #ced0d4;border-radius:3px;font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-regular);color:var(--color-settings-text);padding:0 28px 0 var(--spacing-8);cursor:pointer}._select_ota44_219:focus{outline:none;border-color:var(--color-settings-accent)}._select_ota44_219:disabled{opacity:.45;cursor:not-allowed}._container_1mvnn_1{display:flex;align-items:center;gap:var(--spacing-4)}._button_1mvnn_7{display:flex;align-items:center;justify-content:center;width:30px;height:30px;min-width:30px;background-color:#cfd5ddb3;border-radius:3px;color:var(--color-settings-text);transition:background-color .15s ease;flex-shrink:0}._button_1mvnn_7:hover:not(:disabled){background-color:#cfd5dde6}._button_1mvnn_7:active:not(:disabled){background-color:#b9c1cce6}._button_1mvnn_7:disabled{opacity:.4}._input_1mvnn_30{width:93px;height:30px;background-color:#fff;border:1px solid #ced0d4;border-radius:3px;font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-regular);color:var(--color-settings-text);text-align:center;padding:0 var(--spacing-4)}._input_1mvnn_30::-webkit-outer-spin-button,._input_1mvnn_30::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}._input_1mvnn_30[type=number]{-moz-appearance:textfield}._settingsWrap_1fq23_1{position:relative}._settingsButton_1fq23_5{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-4);min-width:60px;color:var(--color-settings-text);padding:var(--spacing-4) var(--spacing-8);background:none;border:none;cursor:pointer;transition:background-color .2s ease,color .2s ease}._settingsButton_1fq23_5:hover{background-color:var(--color-settings-accent-bg-hover)}._settingsButton_1fq23_5:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}._settingsButtonActive_1fq23_28{background-color:var(--color-settings-accent-bg-active)}._feedbackButton_1fq23_32{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-4);min-width:60px;color:var(--color-text-primary);padding:var(--spacing-4) var(--spacing-8);border-radius:var(--radius-8);background:none;border:none;cursor:pointer;transition:background-color .15s ease,color .15s ease}._feedbackButton_1fq23_32:hover{background-color:var(--color-bg-chat)}._feedbackButton_1fq23_32:active{background-color:var(--color-settings-panel-hover)}._feedbackButton_1fq23_32:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}._feedbackButton_1fq23_32 ._label_1fq23_58{font-size:var(--font-size-14);font-weight:var(--font-weight-semibold);line-height:150%}._iconWrapper_1fq23_64{display:flex;align-items:center;justify-content:center;width:24px;height:24px}._label_1fq23_58{font-size:var(--font-size-10);font-weight:var(--font-weight-medium);text-align:center;line-height:1.2}._backdrop_1ryvs_1{position:fixed;top:0;right:0;bottom:0;left:0;z-index:calc(var(--z-index-settings-backdrop, 40) - 1);background:transparent}._panel_1ryvs_8{position:absolute;bottom:calc(100% + var(--spacing-8));right:0;min-width:300px;max-width:min(360px,94vw);padding:var(--spacing-8) var(--spacing-10);background-color:var(--color-settings-bg);border:1px solid var(--color-settings-border);border-radius:var(--radius-8);box-shadow:0 4px 25px #00000038;z-index:var(--z-index-settings-dropdown, 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ease}._playButton_1m9z0_9:hover:not(:disabled){border-color:var(--color-accent-start);box-shadow:var(--shadow-sm)}._playButton_1m9z0_9:disabled{opacity:.4;cursor:not-allowed}._progressBar_1m9z0_33{width:100%;height:6px;background:#e6e6ea;border-radius:3px;cursor:pointer}._progressBarFill_1m9z0_41{height:100%;background:var(--color-primary);border-radius:3px;transition:width .1s linear}._time_1m9z0_48{font-size:var(--font-size-14);color:var(--color-text-placeholder);font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0}._unavailableHint_1m9z0_56{font-size:var(--font-size-14);font-style:italic;color:var(--color-text-placeholder);white-space:nowrap;flex-shrink:0}._panel_18ips_1{display:flex;flex-direction:column;background:var(--color-bg-primary);border:1px solid var(--color-border-fbpanel);border-radius:20px;flex-shrink:0;box-shadow:0 10px 30px -12px #1525562e}._header_18ips_11{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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ease}._actionButton_18ips_63:hover{background-color:var(--color-bg-chat)}._actionButton_18ips_63:active{background-color:var(--color-settings-panel-hover)}._actionButtonIcon_18ips_93{display:flex;align-items:center;justify-content:center;width:24px;height:24px}._actionButtonLabel_18ips_101{font-size:var(--font-size-14);font-weight:var(--font-weight-semibold);text-align:center;line-height:150%;color:var(--color-text-primary)}._toggle_18ips_109{display:flex;background:#eceef2;border-radius:var(--radius-12);padding:4px;gap:2px;height:min-content}._toggleButton_18ips_118{padding:var(--spacing-6) var(--spacing-16);font-size:var(--font-size-16);font-weight:var(--font-weight-bold);color:var(--color-text-placeholder);font-family:var(--font-family);line-height:150%;text-align:center;background:transparent;border:none;border-radius:9px;cursor:pointer;transition:color .15s ease,background .15s ease}._toggleButton_18ips_118:hover{color:var(--color-text-primary)}._toggleButtonActive_18ips_136{color:var(--color-text-primary);background:var(--color-bg-primary);box-shadow:0 1px 2px -1px #0000001a,0 1px 3px #0000001a}._feedbackModeContainer_18ips_142{display:flex;gap:var(--spacing-8);align-items:center}._legendAnchor_18ips_148{position:relative;display:flex;align-items:center;justify-content:center;align-self:stretch}._infoButton_18ips_156{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:none;border:none;border-radius:var(--radius-8);color:var(--color-text-placeholder);cursor:pointer;transition:color .15s ease,background .15s ease}._infoButton_18ips_156:hover{color:var(--color-text-primary);background:var(--color-bg-chat)}._legendContainer_dhy2v_1{position:absolute;bottom:calc(100% + 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var(--color-bg-primary)}._closeButton_dhy2v_43{position:absolute;top:12px;right:12px;display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:none;border:none;border-radius:var(--radius-6);color:var(--color-text-placeholder);cursor:pointer;transition:color .15s ease,background .15s ease}._closeButton_dhy2v_43:hover{color:var(--color-text-primary);background:var(--color-bg-chat)}._legendTitle_dhy2v_64{padding-right:24px;font-size:var(--font-size-16);font-weight:var(--font-weight-bold);line-height:150%;color:var(--color-text-primary)}._legend_dhy2v_1{display:flex;flex-direction:column;gap:var(--spacing-8)}._legendItem_dhy2v_78{display:flex;align-items:center;gap:var(--spacing-8)}._legendLabel_dhy2v_84{font-size:var(--font-size-16);font-weight:500;line-height:150%;color:var(--color-text-primary);white-space:nowrap}._legendHint_dhy2v_92{width:100%;padding-top:16px;border-top:1px solid var(--color-border-light);font-size:var(--font-size-14);font-weight:400;line-height:150%;color:var(--color-text-placeholder)}._markerCorrect_dhy2v_102{color:var(--color-feedback-correct)}._markerError_dhy2v_106{color:var(--color-feedback-error)}._markerRhythm_dhy2v_110{color:var(--color-feedback-rhythm)}._actionButtonContainer_12qrj_1{display:flex;flex-direction:column;gap:var(--spacing-16);width:100%}._actionButton_12qrj_1{display:inline-flex;align-items:center;gap:var(--spacing-8);padding:var(--spacing-8) var(--spacing-16);background:var(--color-bg-primary);border:1px solid var(--color-accent-start);border-radius:var(--radius-20);width:100%;cursor:pointer;transition:filter .15s ease,transform .15s ease}._actionButton_12qrj_1:hover{filter:brightness(1.08);transform:translateY(-1px)}._actionButton_12qrj_1:active{filter:brightness(.92);transform:translateY(0)}._actionButtonLabel_12qrj_29{font-family:var(--font-primary);font-size:var(--font-size-14);font-weight:var(--font-weight-medium);line-height:150%;color:var(--color-chat-teacher);width:100%;text-align:left}._actionButtonChevron_12qrj_39{flex-shrink:0;display:block;color:var(--color-chat-teacher)}._demoStepControls_1ijda_1{display:flex;gap:var(--spacing-8);padding:var(--spacing-8) var(--spacing-16);background:var(--color-bg-chat);border-bottom:1px solid var(--color-border)}._demoStepButton_1ijda_9{flex:1;min-width:0;padding:var(--spacing-8) var(--spacing-12);font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-text-primary);background:var(--color-bg-primary);border:1px solid 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var(--spacing-24);font-family:var(--font-primary);font-weight:var(--font-weight-semibold);font-size:var(--font-size-13);line-height:1;color:var(--color-accent-start);background:transparent;border:none;border-radius:var(--radius-16);cursor:pointer;transition:transform .15s ease}._openButton_5wigo_20:hover{transform:scale(1.05)}._openButton_5wigo_20:active{transform:scale(1.1)}._openButtonActive_5wigo_41{color:var(--color-primary)}._feedbackSkeletonContainer_hxg2x_1{display:flex}._feedbackSkeleton_hxg2x_1{display:flex;flex-direction:column;gap:var(--spacing-8);padding:var(--spacing-8) var(--spacing-16) var(--spacing-16);width:100%}._skeletonBar_hxg2x_13{height:16px;border-radius:20px;background:linear-gradient(90deg,#fff,#ccc);width:100%;background-size:400%;animation:_shimmer_hxg2x_1 1.4s ease infinite}._skeletonIcon_hxg2x_22{animation:_rotate_hxg2x_1 1.4s ease-in-out infinite}@keyframes _shimmer_hxg2x_1{0%{background-position-x:100%}to{background-position-x:0%}}@keyframes 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var(--spacing-8);text-align:left}._chatWrapper_j9na6_115{position:relative;grid-area:chat;display:flex;flex-direction:column;background-color:var(--color-bg-chat);overflow:hidden;min-width:var(--chat-width);border-radius:var(--radius-22)}._chatBlocker_j9na6_126{position:absolute;top:0;right:0;bottom:0;left:0;z-index:50;pointer-events:auto;cursor:not-allowed;background:var(--color-bg-overlay)}._chatContainer_j9na6_135{flex:1;min-height:0;width:100%;display:flex;flex-direction:column}._threadRoot_j9na6_143{display:flex;flex-direction:column;height:100%}._threadViewport_j9na6_149{flex:1;overflow-y:auto;padding:var(--spacing-16)}._viewportFooter_j9na6_155{position:sticky;bottom:0;padding:var(--spacing-16);border-top:1px solid var(--color-border);background:inherit;display:flex;flex-direction:column;gap:var(--spacing-16)}._chatStatus_j9na6_166,._thinkingStatus_j9na6_166{display:block;font-family:var(--font-family);font-weight:500;font-size:14px;line-height:150%;color:var(--color-text-placeholder);padding:var(--spacing-8) var(--spacing-16)}._thinkingStatus_j9na6_166{animation:_thinking-fade-in_j9na6_1 .2s ease-out}._thinkingStatusDots_j9na6_180{display:inline-block;margin-left:var(--spacing-4);letter-spacing:2px;animation:_thinking-dots-pulse_j9na6_1 1.2s ease-in-out infinite}@keyframes _thinking-dots-pulse_j9na6_1{0%,to{opacity:.25}50%{opacity:1}}@keyframes 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translateY(0)}}._overlay_14pv6_1{position:absolute;bottom:0;left:0;right:0;z-index:150;display:flex;flex-direction:column;background:var(--color-bg-control);border-top:1px solid var(--color-border);box-shadow:0 -4px 24px #00000014;font-family:var(--font-secondary)}._dragHandle_14pv6_15{position:absolute;top:-4px;left:0;right:0;height:8px;cursor:ns-resize;z-index:1}._dragHandle_14pv6_15:after{content:"";position:absolute;top:3px;left:50%;transform:translate(-50%);width:32px;height:3px;background:var(--color-border);border-radius:2px;transition:background .15s ease}._dragHandle_14pv6_15:hover:after{background:var(--color-text-placeholder)}._header_14pv6_40{display:flex;align-items:center;gap:var(--spacing-12);padding:var(--spacing-8) var(--spacing-16);border-bottom:1px solid var(--color-border-light);flex-shrink:0}._title_14pv6_49{font-family:var(--font-primary);font-size:var(--font-size-12);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);text-transform:uppercase;letter-spacing:.04em;margin-right:auto}._headerBtn_14pv6_59{display:flex;align-items:center;justify-content:center;gap:var(--spacing-4);padding:var(--spacing-4) var(--spacing-10);font-family:var(--font-primary);font-size:var(--font-size-11);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-8);cursor:pointer;transition:all .15s ease}._headerBtn_14pv6_59:hover{color:var(--color-text-primary);border-color:var(--color-border)}._headerBtnActive_14pv6_80{color:var(--color-text-primary);border-color:var(--color-border);background:var(--color-bg-control)}._sendPanel_14pv6_86{display:flex;flex-direction:column;gap:var(--spacing-8);padding:var(--spacing-8) var(--spacing-16);background:var(--color-border-light);border-bottom:1px solid var(--color-border-light);flex-shrink:0}._sendTextarea_14pv6_96{width:100%;min-height:120px;padding:var(--spacing-8);font-family:var(--font-secondary);font-size:var(--font-size-10);line-height:var(--line-height-base);color:var(--color-text-primary);background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-4);resize:vertical;outline:none}._sendTextarea_14pv6_96::placeholder{color:var(--color-text-placeholder)}._sendTextarea_14pv6_96:focus{border-color:var(--color-border)}._sendActions_14pv6_117{display:flex;align-items:center;gap:var(--spacing-8)}._sendBtn_14pv6_123{display:flex;align-items:center;justify-content:center;gap:var(--spacing-4);padding:var(--spacing-4) var(--spacing-12);font-family:var(--font-primary);font-size:var(--font-size-11);font-weight:var(--font-weight-medium);color:var(--color-text-inverse);background:var(--color-text-primary);border:1px solid var(--color-text-primary);border-radius:var(--radius-8);cursor:pointer;transition:all .15s ease}._sendBtn_14pv6_123:hover{opacity:.9}._sendBtn_14pv6_123:disabled{opacity:.5;cursor:not-allowed}._sendError_14pv6_147{font-family:var(--font-primary);font-size:var(--font-size-10);color:#c62828}._sendInfo_14pv6_153{font-family:var(--font-primary);font-size:var(--font-size-10);color:#00838f}._sendResponse_14pv6_159{margin:0;padding:var(--spacing-8);background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-4);font-family:var(--font-secondary);font-size:var(--font-size-10);color:var(--color-text-secondary);white-space:pre-wrap;word-break:break-word;max-height:200px;overflow-y:auto}._closeBtn_14pv6_174{width:28px;height:28px;padding:0;font-size:18px;line-height:1;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-8);cursor:pointer}._closeBtn_14pv6_174:hover{background:var(--color-bg-primary);color:var(--color-text-primary)}._list_14pv6_191{flex:1;min-height:0;overflow-y:auto;padding:var(--spacing-4) 0}._entry_14pv6_198{padding:var(--spacing-6) var(--spacing-16);border-bottom:1px solid var(--color-border-light);font-size:var(--font-size-11);line-height:var(--line-height-base)}._entryHead_14pv6_205{display:flex;align-items:center;gap:var(--spacing-8);margin-bottom:var(--spacing-2)}._timestamp_14pv6_212{font-family:var(--font-secondary);font-size:var(--font-size-10);color:var(--color-text-placeholder);white-space:nowrap;flex-shrink:0}._badge_14pv6_220{display:inline-flex;align-items:center;padding:1px var(--spacing-6);font-family:var(--font-primary);font-size:var(--font-size-10);font-weight:var(--font-weight-semibold);border-radius:var(--radius-4);text-transform:uppercase;letter-spacing:.03em;flex-shrink:0}._badgeUserRequest_14pv6_233{background:#e8f4fd;color:#1a73e8}._badgeRoutingDecision_14pv6_238{background:#fff3e0;color:#e65100}._badgeResponse_14pv6_243{background:#f3e5f5;color:#7b1fa2}._badgeEvaluation_14pv6_248{background:#e8f5e9;color:#2e7d32}._badgeCustomSend_14pv6_253{background:#e0f7fa;color:#00838f}._message_14pv6_258{font-family:var(--font-primary);font-size:var(--font-size-11);font-weight:var(--font-weight-medium);color:var(--color-text-primary);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._chevron_14pv6_269{display:flex;align-items:center;justify-content:center;width:16px;height:16px;padding:0;margin-left:auto;flex-shrink:0;color:var(--color-text-placeholder);background:transparent;border:none;border-radius:var(--radius-4);cursor:pointer;transition:transform .15s ease,color .15s ease}._chevron_14pv6_269:hover{color:var(--color-text-primary)}._chevronOpen_14pv6_289{transform:rotate(90deg)}._details_14pv6_293{margin-top:var(--spacing-4);margin-left:calc(1ch + var(--spacing-8) + 8px + 4px);padding:var(--spacing-4) var(--spacing-8);background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-4);overflow-x:auto;font-family:var(--font-secondary);font-size:var(--font-size-10);color:var(--color-text-secondary);white-space:pre;max-height:200px;overflow-y:auto}._empty_14pv6_309{display:flex;align-items:center;justify-content:center;height:100%;font-family:var(--font-primary);font-size:var(--font-size-12);color:var(--color-text-placeholder)}._overlay_1p7xx_1{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#15255633;z-index:1000}._dialog_1p7xx_11{position:relative;width:440px;height:365px;max-width:1327px;border-radius:24px;box-shadow:0 24px 60px -15px #15255659;background:var(--color-bg-primary);padding:44px 32px 32px}._closeButton_1p7xx_22{position:absolute;top:20px;right:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:var(--color-text-primary);border-radius:var(--radius-full);transition:background .15s ease;padding:0}._closeButton_1p7xx_22:hover{background:var(--color-bg-chat)}._content_1p7xx_43{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:var(--spacing-24)}._checkmarkCircle_1p7xx_52{width:64px;height:64px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 6px -4px #26c9b14d,0 10px 15px -3px #26c9b14d;background:linear-gradient(135deg,#2be2ba,#2adfb9,#2adcb8,#29dab7,#29d7b6,#28d4b5,#28d1b4,#27cfb3,#27ccb2,#26c9b1);flex-shrink:0}._textContainer_1p7xx_64{display:flex;flex-direction:column;justify-content:center;gap:16px}._title_1p7xx_71{font-family:var(--font-primary);font-weight:700;font-size:var(--font-size-24);line-height:var(--line-height-base);text-align:center;color:var(--color-text-primary);margin:0}._subtitle_1p7xx_81{font-family:var(--font-primary);font-weight:400;font-size:var(--font-size-14);line-height:var(--line-height-base);text-align:center;color:var(--color-text-primary);margin:0;max-width:320px}._buttons_1p7xx_92{display:flex;gap:var(--spacing-12);width:100%;padding-top:24px;border-top:1px solid var(--color-border);margin-top:14px}._tryAgainButton_1p7xx_101,._listenButton_1p7xx_102{flex:1;border-radius:40px;padding:var(--spacing-12) 0;font-family:var(--font-primary);font-weight:700;font-size:var(--font-size-16);line-height:var(--line-height-base);text-align:center;color:var(--color-text-primary);cursor:pointer;transition:opacity .15s ease;border:none}._tryAgainButton_1p7xx_101:hover,._listenButton_1p7xx_102:hover{opacity:.9}._tryAgainButton_1p7xx_101{border:2px solid var(--color-accent-start);background:var(--color-bg-primary)}._tryAgainButton_1p7xx_101:disabled{opacity:.5;cursor:not-allowed}._listenButton_1p7xx_102{background:var(--color-accent-gradient)}._panel_dk115_1{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-16);padding:var(--spacing-16) var(--spacing-24);border:1px solid var(--color-border-fbpanel);border-radius:var(--radius-20);box-shadow:0 10px 30px -12px #1525562e;background:var(--color-bg-primary)}._content_dk115_13{display:flex;align-items:center;gap:var(--spacing-12)}._status_dk115_19{font-size:var(--font-size-16);font-weight:var(--font-weight-bold);color:var(--color-text-primary);line-height:150%}._time_dk115_26{font-size:var(--font-size-14);font-weight:var(--font-weight-regular);color:var(--color-text-placeholder);font-variant-numeric:tabular-nums;font-family:var(--font-family);line-height:150%}._buttons_dk115_35{display:flex;align-items:center;gap:var(--spacing-24)}._button_dk115_35{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-4);color:var(--color-text-primary);min-width:60px;padding:var(--spacing-4) var(--spacing-8);border-radius:var(--radius-8);transition:background-color .15s ease,color .15s ease}._button_dk115_35:hover:not(:disabled){background-color:var(--color-bg-chat)}._button_dk115_35:active:not(:disabled){background-color:var(--color-settings-panel-hover)}._button_dk115_35:disabled{opacity:.5;cursor:default;pointer-events:none}._buttonIcon_dk115_65{display:flex;align-items:center;justify-content:center;width:24px;height:24px}._buttonLabel_dk115_73{font-size:var(--font-size-14);font-weight:var(--font-weight-semibold);text-align:center;line-height:150%;color:var(--color-text-primary)}._finishSquare_dk115_81{position:relative;border-radius:7px;width:20px;height:20px;margin:2px;background-color:#a9192c4f}._finishSquareInner_dk115_90{position:absolute;top:2px;left:2px;border-radius:5px;width:16px;height:16px;background:#a9192c}._container_850cl_1{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-24);background:var(--color-bg-primary)}._card_850cl_10{width:100%;max-width:400px;padding:var(--spacing-40);background:var(--color-bg-primary);border-radius:var(--radius-20);box-shadow:var(--shadow-xl)}._header_850cl_19{text-align:center;margin-bottom:var(--spacing-32)}._title_850cl_24{font-family:var(--font-primary);font-size:var(--font-size-24);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-8)}._subtitle_850cl_32{font-size:var(--font-size-14);color:var(--color-text-placeholder)}._form_850cl_37{display:flex;flex-direction:column;gap:var(--spacing-20)}._error_850cl_43{padding:var(--spacing-12) var(--spacing-16);background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-12);color:#ef4444;font-size:var(--font-size-14);text-align:center}._field_850cl_53{display:flex;flex-direction:column;gap:var(--spacing-8)}._label_850cl_59{font-size:var(--font-size-14);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}._input_850cl_65{width:100%;padding:var(--spacing-12) var(--spacing-16);font-size:var(--font-size-14);border:1px solid var(--color-border);border-radius:var(--radius-12);background:var(--color-bg-primary);transition:border-color .2s ease,box-shadow .2s ease}._input_850cl_65:hover{border-color:var(--color-accent-start)}._input_850cl_65:focus{border-color:var(--color-accent-start);box-shadow:0 0 0 3px #2be2ba26}._inputError_850cl_82,._inputError_850cl_82:hover{border-color:#ef4444}._inputError_850cl_82:focus{border-color:#ef4444;box-shadow:0 0 0 3px #ef444426}._button_850cl_93{width:100%;padding:var(--spacing-12) var(--spacing-24);margin-top:var(--spacing-8);font-size:var(--font-size-16);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);background:var(--color-accent-gradient);border-radius:var(--radius-12);box-shadow:var(--shadow-button);transition:transform .2s ease,box-shadow .2s ease}._button_850cl_93:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #2be2ba66}._button_850cl_93:active:not(:disabled){transform:translateY(0)}._button_850cl_93:disabled{opacity:.6;cursor:not-allowed}._fieldError_850cl_117{font-size:var(--font-size-12, 12px);color:#ef4444;margin-top:-4px}._switchText_850cl_123{text-align:center;font-size:var(--font-size-14);color:var(--color-text-placeholder);margin-top:var(--spacing-4)}._switchLink_850cl_130{color:var(--color-accent-start);font-weight:var(--font-weight-semibold);background:none;border:none;cursor:pointer;padding:0;font-size:inherit}._switchLink_850cl_130:hover{text-decoration:underline}._container_g290w_1{position:relative;display:flex;align-items:flex-start;justify-content:center;height:100vh;padding:var(--spacing-24);background:var(--color-bg-primary);overflow:hidden}._logoutButton_g290w_12{position:absolute;top:var(--spacing-16);left:var(--spacing-16);z-index:100;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-12);color:var(--color-text-placeholder);cursor:pointer;transition:color .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:var(--shadow-sm)}._logoutButton_g290w_12:hover{color:var(--color-text-primary);border-color:var(--color-accent-start);box-shadow:var(--shadow-md)}._content_g290w_36{width:100%;max-width:480px;max-height:100%;display:flex;flex-direction:column;overflow:hidden;gap:var(--spacing-16)}._header_g290w_46{text-align:center;flex-shrink:0}._title_g290w_51{font-family:var(--font-primary);font-size:var(--font-size-24);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary);margin-bottom:var(--spacing-8)}._subtitle_g290w_60{font-size:var(--font-size-14);line-height:var(--line-height-base);color:var(--color-text-placeholder)}._searchWrap_g290w_66{display:flex;flex-direction:column;gap:var(--spacing-6);flex-shrink:0}._searchLabel_g290w_73{font-size:var(--font-size-12);font-weight:var(--font-weight-medium);color:var(--color-text-placeholder)}._searchInput_g290w_79{width:100%;padding:var(--spacing-12) var(--spacing-16);font-size:var(--font-size-14);line-height:var(--line-height-base);color:var(--color-text-primary);background:var(--color-bg-control);border:1px solid var(--color-border);border-radius:var(--radius-12);box-shadow:var(--shadow-sm);transition:border-color .2s ease}._searchInput_g290w_79::placeholder{color:var(--color-text-placeholder)}._searchInput_g290w_79:hover{border-color:var(--color-border-light)}._searchInput_g290w_79:focus-visible{border-color:var(--color-accent-start)}._tabs_g290w_101{display:flex;flex-wrap:nowrap;gap:var(--spacing-8);overflow-x:auto;flex-shrink:0;padding:var(--spacing-6) var(--spacing-4) var(--spacing-10);scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}._tab_g290w_101{flex:0 0 auto;padding:var(--spacing-8) var(--spacing-16);font-family:var(--font-primary);font-size:var(--font-size-14);font-weight:var(--font-weight-medium);line-height:var(--line-height-tight);color:var(--color-text-placeholder);background:var(--color-bg-control);border:1px solid var(--color-border);border-radius:var(--radius-12);cursor:pointer;transition:color .2s ease,border-color .2s ease,box-shadow .2s ease}._tab_g290w_101:hover{color:var(--color-text-primary);border-color:var(--color-accent-start)}._tab_g290w_101:focus-visible{outline:none}._tab_g290w_101:focus-visible:not(._tabActive_g290w_133){box-shadow:inset 0 0 0 2px var(--color-accent-start)}._tabActive_g290w_133{color:var(--color-text-primary);border-color:var(--color-accent-start);box-shadow:var(--shadow-sm)}._tabActive_g290w_133:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--color-accent-start),var(--shadow-sm)}._list_g290w_147{display:flex;flex-direction:column;gap:var(--spacing-12);overflow-y:auto;flex:1;min-height:0;padding:var(--spacing-8) var(--spacing-4) var(--spacing-16)}._emptyState_g290w_157{padding:var(--spacing-24);font-size:var(--font-size-14);line-height:var(--line-height-base);color:var(--color-text-placeholder);text-align:center;border:1px dashed var(--color-border);border-radius:var(--radius-16)}._card_g290w_167{display:flex;flex-direction:column;align-items:flex-start;gap:var(--spacing-12);width:100%;padding:var(--spacing-20) var(--spacing-24);background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-16);cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;box-shadow:var(--shadow-sm);text-align:left}._card_g290w_167:hover{border-color:var(--color-accent-start);box-shadow:var(--shadow-card);transform:translateY(-1px)}._card_g290w_167:active{transform:translateY(0)}._demoCard_g290w_191{cursor:default}._demoCard_g290w_191:hover{border-color:var(--color-border);box-shadow:var(--shadow-sm);transform:none}._demoCard_g290w_191:active{transform:none}._demoButton_g290w_203{align-self:flex-start;padding:var(--spacing-8) var(--spacing-16);font-family:var(--font-primary);font-size:var(--font-size-14);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-bg-primary);background:linear-gradient(135deg,var(--color-accent-start),var(--color-accent-end));border:0;border-radius:var(--radius-12);cursor:pointer;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease}._demoButton_g290w_203:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}._demoButton_g290w_203:active{transform:translateY(0)}._pieceTitle_g290w_226{font-size:var(--font-size-16);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-text-primary)}._app_1o1bk_1{display:flex;flex-direction:column;height:100vh;width:100vw;margin:0 auto;max-width:var(--container-max-width)}:root{--color-primary: #152556;--color-accent-start: #2be2ba;--color-accent-end: #52def0;--color-accent-gradient: linear-gradient(90deg, var(--color-accent-start) 0%, var(--color-accent-end) 100%);--color-text-primary: #152556;--color-text-placeholder: #636e8e;--color-text-inverse: #ffffff;--color-chat-teacher: #152556;--color-chat-me: #fff;--color-bg-primary: #ffffff;--color-bg-control: #fdfdff;--color-bg-chat: #f3f3f3;--color-bg-chat-teacher: #fff;--color-bg-chat-me: #445178;--color-bg-overlay: rgba(255, 255, 255, .35);--color-border: #d7d7d7;--color-border-light: #eaeaea;--color-border-fbpanel: #e6e6ea;--piano-white-fill: #fafafa;--piano-white-stroke: #cccccc;--piano-black-fill: #1f1f1f;--piano-black-stroke: #000000;--piano-rh-color: #e53935;--piano-lh-color: #fbc02d;--piano-key-label-color: rgba(0, 0, 0, .45);--piano-focus-color: #4a90e2;--color-settings-accent: #70afea;--color-settings-accent-bg: rgba(112, 175, 234, .3);--color-settings-accent-bg-subtle: rgba(112, 175, 234, .15);--color-settings-accent-bg-hover: rgba(112, 175, 234, .45);--color-settings-accent-bg-active: rgba(112, 175, 234, .5);--color-settings-accent-border: rgba(112, 175, 234, .9);--color-settings-text: #111132;--color-settings-text-muted: rgba(17, 17, 50, .7);--color-settings-bg: #f7f7f7;--color-settings-panel: #eeeeee;--color-settings-panel-hover: #e2e2e2;--color-settings-border: #b7b7b7;--color-feedback-correct: #14ae5c;--color-feedback-error: #ec221f;--color-feedback-rhythm: #007aff;--font-primary: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-secondary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-10: 10px;--font-size-12: 12px;--font-size-14: 14px;--font-size-16: 16px;--font-size-18: 18px;--font-size-20: 20px;--font-size-24: 24px;--font-size-32: 32px;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-base: 1.5;--line-height-relaxed: 1.75;--spacing-2: 2px;--spacing-4: 4px;--spacing-6: 6px;--spacing-8: 8px;--spacing-10: 10px;--spacing-12: 12px;--spacing-16: 16px;--spacing-20: 20px;--spacing-24: 24px;--spacing-32: 32px;--spacing-40: 40px;--spacing-48: 48px;--spacing-64: 64px;--radius-4: 4px;--radius-8: 8px;--radius-12: 12px;--radius-16: 16px;--radius-20: 20px;--radius-22: 22px;--radius-30: 30px;--radius-full: 50%;--icon-size-sm: 24px;--icon-size-md: 36px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .15);--shadow-xl: 0 8px 32px rgba(0, 0, 0, .2);--shadow-card: 0 4px 24px rgba(0, 0, 0, .08);--shadow-button: 0 2px 8px rgba(43, 226, 186, .3);--shadow-piano-keyboard: 0 -2px 6px rgba(0, 0, 0, .06);--piano-close-button-transition: .15s ease;--z-index-loop-popover: 10;--z-index-loop-chat-controls: 100;--z-index-settings-dropdown: 1000;--z-index-settings-backdrop: 999;--player-controls-height: 56px;--chat-width: 324px;--chat-input-height: 60px;--container-max-width: 1600px;--soundslice-player-height: 54px;--piano-keyboard-height: 132px;--piano-close-button-size: 22px;--piano-close-button-top: calc(var(--piano-close-button-size) * -1);--piano-close-button-right: 0;--piano-close-button-icon-size: 14px;--piano-keyboard-border-width: 1px;--piano-focus-outline-width: 2px;--piano-focus-outline-offset: 2px;--piano-key-label-font-size: 8px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-primary);font-size:var(--font-size-14);font-weight:var(--font-weight-regular);line-height:var(--line-height-base);color:var(--color-text-primary);background-color:var(--color-bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{width:100%;min-height:100vh}*{scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;color:inherit}button:focus-visible{outline:2px solid var(--color-accent-start);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}input,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;background:transparent}input::placeholder,textarea::placeholder{color:var(--color-text-placeholder)}input:focus,textarea:focus{outline:none}input:focus-visible,textarea:focus-visible{outline:2px solid var(--color-accent-start);outline-offset:-2px}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}ul,ol{list-style:none}img,svg{display:block;max-width:100%}