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var(--mantine-color-gray-3);border-radius:12px;background:var(--mantine-color-white);box-shadow:0 1px 2px #0f172a0a}._sectionHeader_d440e_13{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border-bottom:1px solid var(--mantine-color-gray-2)}._selectAll_d440e_22{flex-shrink:0}._selectionNote_d440e_26{display:flex;align-items:flex-start;gap:8px;padding:9px 16px;color:#6868c9;background:#f8f8ff;border-bottom:1px solid #ececfa}._selectionNote_d440e_26 svg{flex-shrink:0;margin-top:1px}._fileList_d440e_41{display:flex;flex-direction:column;max-height:min(48vh,420px);overflow-y:auto}._fileRow_d440e_48{display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:flex-start;gap:12px;padding:14px 16px;transition:background-color .12s ease,opacity .12s ease}._fileRow_d440e_48+._fileRow_d440e_48{border-top:1px solid var(--mantine-color-gray-2)}._fileRow_d440e_48:hover{background:var(--mantine-color-gray-0)}._fileRowUnselected_d440e_65{opacity:.58;background:var(--mantine-color-gray-0)}._fileCheckbox_d440e_70{margin-top:9px}._fileIcon_d440e_74{display:flex;align-items:center;justify-content:center;width:38px;height:38px;color:var(--mantine-color-gray-6);background:var(--mantine-color-gray-1);border-radius:9px}._pdfIcon_d440e_85{color:#d9485f;background:#fff1f3}._fileDetails_d440e_90,._fileNameBlock_d440e_91{min-width:0}._fileSummary_d440e_95{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-height:38px}._fileName_d440e_91{color:var(--mantine-color-dark-7);line-height:1.35;overflow-wrap:anywhere}._pageInput_d440e_109{max-width:360px;margin-top:10px}._pageInput_d440e_109 input::placeholder{color:var(--mantine-color-gray-5);opacity:1}._selectionMessage_d440e_119,._sizeWarning_d440e_120{margin-top:8px;padding:6px 8px;color:var(--mantine-color-gray-7);background:var(--mantine-color-gray-0);border-radius:6px;line-height:1.4}._addDropzone_d440e_129,._emptyDropzone_d440e_130{color:#6868c9;background:#fbfbff;border-color:#d9d9f7;transition:background-color .12s ease,border-color .12s ease}._addDropzone_d440e_129{padding:11px 16px;border-radius:10px}._emptyDropzone_d440e_130{padding:24px;border-radius:12px}._addDropzone_d440e_129:hover,._emptyDropzone_d440e_130:hover{background:#f6f6ff;border-color:#aaaaf0}@media(max-width:36em){._sectionHeader_d440e_13,._fileRow_d440e_48{padding-right:12px;padding-left:12px}._fileRow_d440e_48{grid-template-columns:auto minmax(0,1fr);gap:10px}._fileIcon_d440e_74{display:none}}._overlay_kbmmz_1{position:fixed;inset:44px 0 0;background-color:#0000001a;z-index:1000;display:flex;align-items:center;justify-content:center;pointer-events:none}._content_kbmmz_16{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:280px;box-shadow:0 10px 30px #00000026,0 4px 8px #0000001a;text-align:center;pointer-events:auto}._previewWrapper_kbmmz_27{position:relative;width:100%;max-width:280px;margin:0 auto 12px;border-radius:12px;overflow:hidden;background:#f8f9fa;border:1px solid rgba(0,0,0,.08);min-height:140px}._previewMedia_kbmmz_39{width:100%;display:block;border-radius:12px;box-shadow:0 8px 18px #0000001f;transition:opacity .12s ease}._previewMediaHidden_kbmmz_47{opacity:0}._previewSpinner_kbmmz_51{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center}._previewFallback_kbmmz_61{width:100%;padding:12px;text-align:center}._section_1mypp_1{margin-top:var(--mantine-spacing-md);padding:18px;border-radius:18px;background:linear-gradient(135deg,#9333ea14,#9333ea05);border:1px solid rgba(147,51,234,.18)}._header_1mypp_9{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}._title_1mypp_16{font-size:14px;font-weight:600;color:#3c2b63;letter-spacing:.01em;text-transform:uppercase}._cardsGrid_1mypp_24{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}._cardButton_1mypp_30{all:unset;cursor:pointer;width:100%;display:block}._cardButton_1mypp_30:focus-visible{outline:2px solid #7c3aed;outline-offset:3px}._cardButton_1mypp_30[aria-disabled=true]{cursor:not-allowed}._card_1mypp_24{height:100%;display:flex;flex-direction:column;gap:12px;padding:18px;border-radius:16px;border:1px solid rgba(124,58,237,.25);background:linear-gradient(135deg,#ffffffeb,#f9f3fff5);box-shadow:0 8px 20px #7c3aed1f;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}._card_1mypp_24:not(._cardDisabled_1mypp_59):hover{transform:translateY(-4px);box-shadow:0 16px 30px #7c3aed2e;border-color:#7c3aed73}._cardSelected_1mypp_65{border-color:#7c3aed;box-shadow:0 14px 32px #7c3aed42;background:linear-gradient(140deg,#7c3aed26,#7c3aed0d)}._cardDisabled_1mypp_59{opacity:.6;pointer-events:none}._metaRow_1mypp_76{display:flex;align-items:center;justify-content:space-between;gap:12px}._badge_1mypp_83{background-color:#7c3aed24;color:#5b32a4;text-transform:capitalize;font-weight:600;border-radius:12px;padding:4px 10px;font-size:12px}._pageIcons_1mypp_93{display:flex;align-items:center;gap:4px}._pageIcon_1mypp_93{color:#7c3aed}._shortDescription_1mypp_103{font-size:16px;font-weight:600;color:#2d1c4f;line-height:1.35}._longDescription_1mypp_110{font-size:13px;color:#5d4f7d;line-height:1.5;flex:1}._footerRow_1mypp_117{display:flex;align-items:center;justify-content:space-between;color:#7c3aed;font-weight:600;font-size:13px;gap:6px}._footerRow_1mypp_117 svg{opacity:.8}._emptyState_1mypp_131{margin-top:12px;font-size:13px;color:#6f5b9e;text-align:center}._selectionBoard_3vnc3_1{background-image:repeating-linear-gradient(to right,#f0edff 0 1px,transparent 1px var(--h-grid, 20px)),repeating-linear-gradient(to bottom,#f0edff 0 1px,transparent 1px var(--v-grid, 20px));border-color:#7c3aed73;box-shadow:0 0 0 4px #7c3aed14,0 12px 36px #4c1d951f}._selectionBox_3vnc3_9{position:absolute;overflow:hidden;background:#fff;cursor:pointer;transition:opacity .16s ease,transform .16s ease,filter .16s ease;-webkit-tap-highlight-color:transparent}._selectionBox_3vnc3_9>*:not(._selectionOutline_3vnc3_18):not(._checkBadge_3vnc3_18){pointer-events:none}._unselected_3vnc3_22{opacity:.68;filter:saturate(.75)}._unselected_3vnc3_22:hover,._unselected_3vnc3_22:focus-visible{opacity:.92;filter:saturate(1)}._selected_3vnc3_33{opacity:1;filter:saturate(1.06)}._selectionOutline_3vnc3_18{position:absolute;inset:0;z-index:20;border:3px solid transparent;border-radius:inherit;pointer-events:none;transition:border-color .16s ease,background-color .16s ease}._unselected_3vnc3_22:hover ._selectionOutline_3vnc3_18,._unselected_3vnc3_22:focus-visible ._selectionOutline_3vnc3_18{border-color:#7c3aed80;background:#7c3aed06}._selected_3vnc3_33 ._selectionOutline_3vnc3_18{border-color:#7c3aed;background:#7c3aed14;box-shadow:inset 0 0 0 1px #ffffffe6}._selectionBox_3vnc3_9:focus-visible{outline:3px solid #2563eb;outline-offset:2px}._checkBadge_3vnc3_18{position:absolute;top:7px;right:7px;z-index:21;display:flex;align-items:center;justify-content:center;width:25px;height:25px;border:2px solid #ffffff;border-radius:999px;background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;box-shadow:0 3px 10px #4c1d9559;pointer-events:none}@media(prefers-reduced-motion:reduce){._selectionBox_3vnc3_9,._selectionOutline_3vnc3_18{transition:none}}._workspace_1lbkc_1{--lesson-sidebar-expanded-width: 272px;--lesson-sidebar-collapsed-width: 68px;--lesson-sidebar-width: var(--lesson-sidebar-expanded-width);min-height:100dvh}._workspaceCollapsed_1lbkc_8{--lesson-sidebar-width: var(--lesson-sidebar-collapsed-width)}._main_1lbkc_12{position:relative;isolation:isolate;min-width:0;min-height:100dvh;margin-left:var(--lesson-sidebar-width);transition:margin-left .18s ease}._navigationOverlay_1lbkc_21{position:fixed;inset:0 0 0 var(--lesson-sidebar-width);z-index:10000;display:flex;align-items:center;justify-content:center;background:#ffffffe0;cursor:wait;pointer-events:auto;touch-action:none}._navigationSpinner_1lbkc_34{width:42px;height:42px;border:4px solid rgba(64,81,181,.18);border-top-color:#4051b5;border-radius:50%;box-shadow:0 6px 20px #4051b51f;animation:_navigationSpinnerRotation_1lbkc_1 .7s linear infinite}._screenReaderOnly_1lbkc_44{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes _navigationSpinnerRotation_1lbkc_1{to{transform:rotate(360deg)}}._sidebar_1lbkc_62{position:fixed;inset:0 auto 0 0;z-index:140;display:flex;width:var(--lesson-sidebar-expanded-width);flex-direction:column;padding:10px;background:#f7f7f5;border-right:1px solid #e7e7e3;box-shadow:8px 0 30px #191c210a;transition:width .18s ease,transform .18s ease}._sidebarCollapsed_1lbkc_76{width:var(--lesson-sidebar-collapsed-width)}._sidebarHeader_1lbkc_80{display:flex;height:42px;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}._brand_1lbkc_89{display:flex;min-width:0;align-items:center;gap:10px;padding-left:4px;color:#202123;font-size:15px;font-weight:700;text-decoration:none}._brandMark_1lbkc_101{display:inline-flex;width:30px;height:30px;flex:0 0 30px;align-items:center;justify-content:center;border-radius:9px;background:#4051b5;color:#fff;font-size:14px;font-weight:800;box-shadow:0 5px 14px #4051b538}._iconButton_1lbkc_116{display:inline-flex;width:36px;height:36px;flex:0 0 36px;align-items:center;justify-content:center;padding:0;border:0;border-radius:10px;background:transparent;color:#5f6368;cursor:pointer}._iconButton_1lbkc_116:hover{background:#e9e9e5;color:#202123}._iconButton_1lbkc_116:focus-visible,._newLessonLink_1lbkc_137:focus-visible,._lessonLink_1lbkc_138:focus-visible,._lessonMenuButton_1lbkc_139:focus-visible,._renameInput_1lbkc_140:focus-visible,._brand_1lbkc_89:focus-visible{outline:2px solid #4051b5;outline-offset:2px}._sidebarNav_1lbkc_146{display:flex;min-height:0;flex:1;flex-direction:column}._newLessonLink_1lbkc_137,._lessonLink_1lbkc_138{display:flex;align-items:center;gap:11px;min-height:42px;padding:0 12px;border-radius:11px;color:#2d2f32;font-size:14px;font-weight:550;text-decoration:none;transition:background-color .12s ease,color .12s ease}._newLessonLink_1lbkc_137{margin-bottom:16px;background:#fff;border:1px solid #e2e2de;box-shadow:0 2px 8px #14161b0a}._newLessonLink_1lbkc_137:hover,._lessonRow_1lbkc_176:hover{background:#ecece8}._activeLink_1lbkc_180{background:#e3e5f5;color:#27317d}._lessonRow_1lbkc_176._activeLink_1lbkc_180:hover{background:#daddf2}._recents_1lbkc_189{display:flex;min-height:0;flex:1;flex-direction:column}._sectionLabel_1lbkc_196{margin:0 10px 7px;color:#797b80;font-size:12px;font-weight:650;letter-spacing:.02em}._lessonList_1lbkc_204{min-height:0;flex:1;overflow-y:auto;padding-right:2px;scrollbar-width:thin}._sidebarFooter_1lbkc_212{flex:0 0 auto;padding-top:8px;margin-top:8px;border-top:1px solid #e2e2de}._lessonRow_1lbkc_176{display:flex;min-width:0;min-height:42px;align-items:center;border-radius:11px;transition:background-color .12s ease,color .12s ease}._lessonRow_1lbkc_176 ._lessonLink_1lbkc_138{min-height:42px;flex:1;min-width:0;padding-right:4px}._lessonLink_1lbkc_138 svg{flex:0 0 auto}._lessonLink_1lbkc_138 span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}._lessonMenuButton_1lbkc_139{display:inline-flex;width:34px;height:34px;flex:0 0 34px;align-items:center;justify-content:center;padding:0;margin-right:4px;border:0;border-radius:9px;background:transparent;color:#5f6368;cursor:pointer;opacity:0;transition:opacity .1s ease,background-color .1s ease,color .1s ease}._lessonMenuButton_1lbkc_139:hover{background:#00000012;color:#202123}._lessonRow_1lbkc_176:hover ._lessonMenuButton_1lbkc_139,._lessonRow_1lbkc_176:focus-within ._lessonMenuButton_1lbkc_139,._lessonRow_1lbkc_176[data-menu-open=true] ._lessonMenuButton_1lbkc_139{opacity:1}._renameInput_1lbkc_140{width:calc(100% - 42px);height:32px;min-width:0;padding:4px 8px;margin:5px 4px 5px 8px;border:1px solid #4051b5;border-radius:7px;background:#fff;color:#202123;font:inherit;font-size:14px}._emptyState_1lbkc_288{margin:8px 10px;color:#85878b;font-size:13px;line-height:1.45}._sidebarCollapsed_1lbkc_76 ._sidebarHeader_1lbkc_80{justify-content:center}._sidebarCollapsed_1lbkc_76 ._brand_1lbkc_89{display:none}._sidebarCollapsed_1lbkc_76 ._newLessonLink_1lbkc_137{justify-content:center;padding:0}._sidebarCollapsed_1lbkc_76 ._expandedOnly_1lbkc_308{display:none}._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-placement=sidebar]{justify-content:center;padding-right:0;padding-left:0}._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-sidebar-identity],._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-sidebar-settings],._mobileCloseButton_1lbkc_323,._backdrop_1lbkc_324{display:none}@media(max-width:768px){._workspace_1lbkc_1,._workspaceCollapsed_1lbkc_8{--lesson-sidebar-width: 0px}._main_1lbkc_12{margin-left:0}._navigationOverlay_1lbkc_21{left:0}._sidebar_1lbkc_62,._sidebarCollapsed_1lbkc_76{z-index:210;width:min(86vw,310px);padding:12px;transform:translate(-105%);box-shadow:18px 0 50px #0f121e33}._sidebarMobileOpen_1lbkc_351{transform:translate(0)}._sidebarCollapsed_1lbkc_76 ._sidebarHeader_1lbkc_80{justify-content:space-between}._sidebarCollapsed_1lbkc_76 ._brand_1lbkc_89,._sidebarCollapsed_1lbkc_76 ._expandedOnly_1lbkc_308{display:flex}._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-placement=sidebar]{justify-content:flex-start;padding-right:8px;padding-left:8px}._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-sidebar-identity]{display:flex}._sidebarCollapsed_1lbkc_76 ._sidebarFooter_1lbkc_212 [data-sidebar-settings]{display:block}._sidebarCollapsed_1lbkc_76 ._newLessonLink_1lbkc_137{justify-content:flex-start;padding:0 12px}._desktopCollapseButton_1lbkc_386{display:none}._mobileCloseButton_1lbkc_323{display:inline-flex}._lessonMenuButton_1lbkc_139{opacity:1}._backdrop_1lbkc_324{position:fixed;inset:0;z-index:200;display:block;padding:0;border:0;background:#0f121a6b;opacity:0;pointer-events:none;transition:opacity .18s ease}._backdropVisible_1lbkc_411{opacity:1;pointer-events:auto}}@media(prefers-reduced-motion:reduce){._main_1lbkc_12,._sidebar_1lbkc_62,._backdrop_1lbkc_324{transition:none}._navigationSpinner_1lbkc_34{animation-duration:1.4s}}._modalContent_1othy_1{border:1px solid var(--mantine-color-gray-2);background:var(--mantine-color-white);box-shadow:0 18px 55px #0f172a29}._modalBody_1othy_7{padding:0}._content_1othy_11{padding:24px}._reminder_1othy_15{padding:15px 16px;border:1px solid var(--mantine-color-gray-2);border-radius:var(--mantine-radius-md);background:var(--mantine-color-gray-0)}._reminderHeading_1othy_22{display:flex;align-items:center;gap:8px;color:var(--mantine-color-dark-7);font-size:var(--mantine-font-size-sm);font-weight:650}._reminderHeading_1othy_22 svg{color:var(--mantine-color-blue-7)}._reminderText_1othy_35{margin:7px 0 0;color:var(--mantine-color-gray-7);font-size:var(--mantine-font-size-sm);line-height:1.5}._presentationLink_1othy_42{display:inline-flex;align-items:center;gap:5px;margin-top:11px;padding:0;border:0;color:var(--mantine-color-blue-7);background:transparent;font:inherit;font-size:var(--mantine-font-size-sm);font-weight:600;cursor:pointer}._presentationLink_1othy_42:hover{text-decoration:underline;text-underline-offset:3px}._presentationLink_1othy_42:focus-visible{border-radius:3px;outline:2px solid var(--mantine-color-blue-5);outline-offset:3px}._actions_1othy_68{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}@media(max-width:480px){._content_1othy_11{padding:20px}._actions_1othy_68>*{flex:1}}._overlay_1o5bk_1{position:fixed;inset:44px 0 0;background-color:#0000001a;z-index:10000;display:flex;align-items:center;justify-content:center;pointer-events:none}._content_1o5bk_15{background:#fff;border-radius:12px;padding:1.5rem 2rem 1.5rem 1.5rem;box-shadow:0 10px 30px #0000004d;text-align:center;max-width:400px;margin:0 1rem;position:relative;pointer-events:all}._closeButton_1o5bk_27{position:absolute;top:.25rem;right:.25rem}._isRestoring_1o5bk_33{background:#fff;opacity:.9;border-radius:30px;padding-top:8px;height:60px;width:60px;box-shadow:0 10px 30px #0000004d;text-align:center}