.mobile-quick-nav,.sidebar__close,.sidebar-backdrop,.sidebar__tools,.mobile-tool-label,.mobile-search-toggle,.mobile-search-dialog[hidden]{display:none}.mobile-search-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1400;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(0,1fr);width:100%;max-width:100vw;min-width:0;height:100dvh;overflow:hidden;background:var(--brand-secondary);color:var(--text);padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.mobile-search-dialog>*{min-width:0;max-width:100%}.mobile-search-dialog>header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.mobile-search-dialog h2{margin:0;font:600 22px var(--display)}.mobile-search-dialog>header .icon-button{border:0;background:transparent;font-size:28px}.mobile-search-dialog .search,.mobile-search-dialog .search:focus-within,.mobile-search-dialog .search.is-open{position:relative;inset:auto;display:flex;gap:12px;width:100%;min-width:0;max-width:100%;height:48px;margin:0 0 16px;padding:0 14px;border:1px solid var(--line-strong);border-radius:12px;box-shadow:none;background:var(--surface-2)}.mobile-search-dialog .search input{display:block;width:100%;min-width:0;font-size:16px}.mobile-search-dialog .search>.icon{flex:0 0 18px}.mobile-search-dialog .search>kbd{display:none}.mobile-search-dialog>.global-search__panel{position:relative;inset:auto;width:100%;min-height:0;max-height:none;border:0;border-radius:0;box-shadow:none;overflow:auto;overscroll-behavior:contain;animation:none}.mobile-search-dialog .global-search__list{max-height:none;overflow:visible}.mobile-search-dialog .global-search__state{padding:24px 8px}.mobile-search-dialog .global-search__footer{display:none}@media (min-width:761px) and (max-width:1000px){.topbar{padding-inline:16px;gap:8px}.topbar__title{display:none}.topbar .search,.topbar .search:focus-within{flex:1;min-width:0;width:auto}.topbar .search>kbd{display:none}.topbar__actions{flex-shrink:0;gap:4px}}@media (max-width:760px){html .app-shell .app-main{padding-bottom:calc(92px + env(safe-area-inset-bottom))}html .app-shell .topbar{grid-template-columns:44px minmax(0,1fr) auto;grid-template-rows:56px;min-height:56px}html .app-shell .topbar__nav,html .app-shell .topbar .avatar{display:none}html .app-shell .topbar__actions{grid-column:3}.mobile-quick-nav{position:fixed;z-index:90;inset:auto max(12px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:center;height:68px;padding:6px;border:0;background:transparent;box-shadow:none}.mobile-quick-nav:before{content:"";position:absolute;pointer-events:none;top:10px;left:calc(6px + (100% - 12px) * (var(--quick-index) + .5) / 5 - 24px);width:48px;height:48px;border-radius:50%;background:var(--brand-primary);box-shadow:0 6px 18px color-mix(in srgb,var(--brand-shadow) 26%,transparent);opacity:0;transition:left .3s cubic-bezier(.22,.7,.3,1),opacity .2s ease;animation:quick-nav-slide .3s cubic-bezier(.22,.7,.3,1)}.mobile-quick-nav[data-has-selection=true]:before,.mobile-quick-nav:has([aria-expanded=true]):before{opacity:1}.mobile-quick-nav:has([aria-expanded=true]):before{left:calc(-18px + (100% - 12px)*.9);animation:none}@keyframes quick-nav-slide{0%{left:calc(6px + (100% - 12px) * (var(--quick-from) + .5) / 5 - 24px)}}.mobile-quick-nav__item{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;height:54px;padding:0;border:0;border-radius:18px;background:transparent;color:var(--brand-primary);text-decoration:none;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:color .2s ease}.mobile-quick-nav__icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;transition:color .25s ease}html .mobile-quick-nav .icon{width:23px;height:23px;color:inherit}.mobile-quick-nav__item.is-active,.mobile-quick-nav__item:hover{color:var(--brand-primary)}.mobile-quick-nav__item:is(.is-active,[aria-expanded=true]) .mobile-quick-nav__icon{color:var(--brand-on-primary)}.mobile-quick-nav:has([aria-expanded=true]) .is-active .mobile-quick-nav__icon{background:transparent;color:var(--brand-primary);box-shadow:none}.mobile-quick-nav__item:focus-visible{outline:2px solid var(--text);outline-offset:-2px}html .mobile-quick-nav__lesson .icon{width:25px;height:25px}@media (prefers-reduced-motion:reduce){.mobile-quick-nav,.mobile-quick-nav:before,.mobile-quick-nav__item,.mobile-quick-nav__icon{animation:none!important;transition:none!important}}.toast-region{bottom:calc(92px + env(safe-area-inset-bottom))}.app-shell{height:100dvh}.topbar{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:8px;height:auto;flex:0 0 auto;padding:8px max(12px,env(safe-area-inset-right)) 8px max(12px,env(safe-area-inset-left));padding-top:max(8px,env(safe-area-inset-top));background:var(--brand-secondary);border-bottom:1px solid color-mix(in srgb,var(--brand-muted) 14%,transparent);-webkit-backdrop-filter:none;backdrop-filter:none}.topbar__title{display:none}.topbar__actions{grid-column:3;grid-row:1;gap:8px}.topbar [data-action=notifications]{border:0;background:transparent;border-radius:50%;color:var(--text)}.topbar .mobile-search-toggle{display:grid;grid-column:2;grid-row:1;justify-self:end;border:0;background:transparent;color:var(--text)}.topbar .icon-button,.topbar .avatar{width:44px;height:44px;flex-shrink:0}.topbar .mobile-menu{position:relative;border:0;background:transparent;border-radius:50%;color:var(--text)}.topbar .avatar{border:0;background:var(--surface-2);color:var(--text);box-shadow:none}.app-shell:has(.sidebar__tools .has-notifications) .mobile-menu:after{content:"";position:absolute;top:8px;right:8px;width:6px;height:6px;border-radius:50%;background:var(--brand-primary)}.topbar .search,.topbar .search:focus-within,.topbar .search.is-open{display:none}.topbar .search input{display:block;font-size:16px}.topbar .search:focus-within{outline:2px solid var(--brand-primary);outline-offset:2px}.global-search__panel{position:fixed;inset:calc(64px + env(safe-area-inset-top)) 12px auto;width:auto;max-height:calc(100dvh - 80px)}.global-search__list{max-height:calc(100dvh - 90px)}.global-search__option{min-height:48px}.notification-panel{top:calc(64px + env(safe-area-inset-top));max-height:calc(100dvh - 80px);overflow-y:auto}.sidebar{z-index:110;width:min(320px,calc(100vw - 48px));height:100dvh;padding:max(16px,env(safe-area-inset-top)) 16px max(20px,env(safe-area-inset-bottom));display:none;box-shadow:none}.sidebar.is-open{display:flex;box-shadow:16px 0 50px color-mix(in srgb,var(--brand-shadow) 25%,transparent)}.sidebar .brand{padding-right:48px;min-height:54px}.sidebar__close{display:grid;position:absolute;right:12px;top:max(12px,env(safe-area-inset-top))}.sidebar .sidebar__close{border:0;background:transparent}.sidebar__tools{display:grid;gap:2px;margin:8px 0 4px;padding-bottom:16px;border-bottom:1px solid var(--line)}.sidebar__tools:empty{display:none}.sidebar__tools--reports{margin:0;padding:0;border:0;gap:0}.sidebar__tools--reports [data-action=app-tutorial]{order:0}.sidebar__tools--reports [data-report-new]{order:1}.sidebar__tools .icon-button{display:flex;gap:12px;width:100%;min-height:44px;padding:8px 10px;border:0;background:transparent;color:var(--text);text-align:left}.sidebar__tools .icon-button:hover{background:var(--surface-2)}.sidebar__tools .icon{flex-shrink:0}.sidebar__tools--reports .icon-button{gap:11px;margin:2px 0;border-radius:9px;color:var(--muted)}.sidebar__tools--reports .icon{width:17px}.sidebar__tools .mobile-tool-label{display:block;font:500 14px var(--font)}.sidebar__tools .notification-button>span{position:static;margin-left:auto;flex-shrink:0}.sidebar-backdrop:not([hidden]){display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:color-mix(in srgb,var(--brand-shadow) 40%,transparent)}.side-link,.side-submenu__items .side-link{min-height:44px;padding-block:8px}.page{--mobile-content-gutter:max(16px,env(safe-area-inset-left),env(safe-area-inset-right));padding:20px var(--mobile-content-gutter) max(32px,env(safe-area-inset-bottom)) var(--mobile-content-gutter);scrollbar-gutter:auto;scrollbar-width:none}.page::-webkit-scrollbar{width:0}.page-head,.page-head>div,.card-title>*,.resource>span{min-width:0}.page-head h1{font-size:clamp(25px,7vw,32px)}.button{min-height:44px;height:auto;padding-block:9px;white-space:normal}.icon-button{min-width:44px;min-height:44px}.input,.modal__field input,.modal__field select,.modal__field textarea,.login-card input{font-size:16px}.filter-chip,.tabs>button,.tabs>a{min-height:44px}.resource{flex-wrap:wrap;gap:10px}.resource>span{overflow-wrap:anywhere}.lesson-edit-layout,.lesson-edit-grid{grid-template-columns:minmax(0,1fr)}.table-wrap{touch-action:pan-x pan-y}body.modal-open #app,body.modal-open:has(.modal--wide) #app,body.modal-open:has(.dev-timeline-overlay:not([hidden])) #app{width:100%}.modal,.modal--wide,.dev-timeline-dialog{width:100%;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0}.modal__head{padding:max(16px,env(safe-area-inset-top)) 14px 16px;gap:10px}.modal__head>div:first-child{min-width:0}.modal__head h2{overflow-wrap:anywhere}.modal__grid{grid-template-columns:minmax(0,1fr)}.modal__actions{padding:12px 14px max(12px,env(safe-area-inset-bottom))}.floating-editor-window.modal,.material-window-overlay .material-window{left:0!important;top:0!important;width:100%!important;height:100dvh!important;max-width:100vw;max-height:100dvh;transform:none;resize:none}.floating-editor-window .window-resize-handle,.material-window .window-resize-handle{display:none}.assessment-editor--merged-head>.modal__head{grid-template-columns:minmax(0,1fr)}.assessment-editor--merged-head .floating-editor-actions{grid-column:1;grid-row:1;justify-content:flex-end}.assessment-editor--merged-head .assessment-creation-steps--top-menu{grid-column:1;grid-row:2;grid-template-columns:repeat(3,minmax(0,1fr))}.toast-region{bottom:max(12px,env(safe-area-inset-bottom))}.login-page--signin .login-panel{padding-inline:20px}}@media (prefers-reduced-motion:reduce){.sidebar{transition:none}}.lvp-fullscreen-dialog{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;overflow:hidden;background:var(--brand-dark)}body:has(.lvp-fullscreen-dialog[open]){overflow:hidden}@media (max-width:760px),(max-height:500px) and (pointer:coarse){.video-shell.learning-has-media.lvp-host{display:block;min-height:0;aspect-ratio:auto;background:var(--brand-dark)}.video-shell.learning-has-media.lvp-host>video{position:relative;display:block;inset:auto;width:100%;height:auto;max-height:none;aspect-ratio:16/9;object-fit:contain}.lvp-host .lvp-ui{position:relative;inset:auto;width:100%}.lvp-host .lvp-center{display:none}.lvp-host .lvp-bar{position:relative;inset:auto;display:grid;grid-template-columns:44px minmax(0,1fr) 44px 44px;gap:0 8px;padding:0 12px 8px;opacity:1;transform:none;pointer-events:auto;background:var(--brand-secondary);border-top:1px solid var(--line);color:var(--text)}.lvp-host .lvp-btn{width:44px;height:44px;border-radius:50%;color:var(--text)}.lvp-host .lvp-ui .lvs-icon{color:currentColor!important}.lvp-host .lvp-bar>[data-lvp=play]{grid-column:1;grid-row:2;background:var(--brand-primary);color:var(--brand-on-primary)}.lvp-host .lvp-time{grid-column:2;grid-row:2;font-size:12px}.lvp-host .lvp-time,.lvp-host .lvp-time span{color:var(--muted)!important}.lvp-host .lvp-audio{grid-column:3;grid-row:2}.lvp-host [data-lvp=fullscreen]{grid-column:4;grid-row:2}.lvp-host .lvp-volume{display:none}.lvp-host .lvp-seek{grid-column:1/-1;grid-row:1;width:100%;min-width:0;height:44px;margin:0;background:transparent;border-radius:0;touch-action:pan-y}.lvp-host .lvp-seek::-webkit-slider-runnable-track{height:4px;border-radius:99px;background:linear-gradient(90deg,var(--brand-primary) var(--lvp-progress),var(--line) var(--lvp-progress))}.lvp-host .lvp-seek::-moz-range-track{height:4px;border-radius:99px;background:linear-gradient(90deg,var(--brand-primary) var(--lvp-progress),var(--line) var(--lvp-progress))}.lvp-host .lvp-seek::-moz-range-progress{height:4px;background:transparent}.lvp-host .lvp-seek::-webkit-slider-thumb{width:16px;height:16px;margin-top:-6px;background:var(--brand-primary);box-shadow:none}.lvp-host .lvp-seek::-moz-range-thumb{width:16px;height:16px;background:var(--brand-primary)}.lvp-host .lvp-btn:focus-visible,.lvp-host .lvp-seek:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px}.lvp-host.is-fullscreen{height:100dvh!important}.lvp-host.is-fullscreen>video{height:calc(100% - 97px - env(safe-area-inset-bottom))!important;aspect-ratio:auto}.lvp-host.is-fullscreen .lvp-ui{position:absolute;top:auto;bottom:0}.lvp-host.is-fullscreen .lvp-bar{padding-bottom:max(8px,env(safe-area-inset-bottom));padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.course-player .video-shell__label{top:12px;left:12px;max-width:calc(100% - 24px);font-size:12px}.video-shell.learning-has-media.has-quiz{min-height:min(540px,85dvh)}.lvp-quiz__option,.lvp-quiz__button{min-height:44px}.audio-block,.video-shell.learning-audio-media.has-audio-block .audio-block{width:100%;min-width:0;padding:16px;gap:8px;background:var(--brand-secondary);color:var(--text)}.audio-block .audio-block__title{padding:0;background:transparent;color:var(--text);border-radius:0;font-size:14px;font-weight:600}.audio-block .audio-block__row{display:grid;grid-template-columns:repeat(5,minmax(44px,1fr));gap:4px}.audio-block .audio-block__seek[data-ab-seek]{grid-column:1/-1;grid-row:1;width:100%;min-width:0;height:44px;margin:0;order:0;touch-action:pan-y}.audio-block .audio-block__time{grid-column:1/-1;grid-row:2;display:flex;justify-content:space-between;margin-top:-8px;margin-bottom:8px;font-size:0;color:var(--muted)}.audio-block .audio-block__time span{font-size:12px}.audio-block .audio-block__play,.audio-block .audio-block__button{width:44px;min-width:44px;height:44px;margin:0;justify-self:center;border-radius:50%}.audio-block .audio-block__play{grid-column:2;grid-row:3;background:var(--brand-primary);color:var(--brand-on-primary)}.audio-block [data-audio-skip="-10"]{grid-column:1;grid-row:3}.audio-block [data-audio-skip="10"]{grid-column:3;grid-row:3}.audio-block .audio-block__rate{grid-column:4;grid-row:3}.audio-block .audio-block__volume-group{grid-column:5;grid-row:3;justify-content:center}.audio-block .audio-block__volume{display:none}.audio-block .icon,.audio-block .audio-block__glyph{width:20px;height:20px}.audio-block__seek::-webkit-slider-thumb{width:16px;height:16px;margin-top:-5.5px;background:var(--brand-primary)}.audio-block__seek::-moz-range-thumb{width:16px;height:16px;background:var(--brand-primary)}.material-viewer-overlay--audio{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.material-audio-sheet{border:1px solid var(--line);border-bottom:0;border-radius:20px 20px 0 0;background:var(--brand-secondary);box-shadow:0 -8px 32px color-mix(in srgb,var(--brand-shadow) 7%,transparent);padding-bottom:env(safe-area-inset-bottom);animation:none;transform:none}.material-audio-sheet__content{display:block;padding:16px 64px 0 16px}.material-audio-sheet__copy{display:block;min-width:0}.material-audio-sheet__copy small{display:none}.material-audio-sheet__copy h2{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:600 14px/28px var(--font);color:var(--text)}.material-audio-sheet__close{top:8px;right:8px;transform:none;width:44px;height:44px;color:var(--muted);background:transparent;font-size:24px}.material-audio-sheet .material-media-controls,.material-window-overlay .material-viewer--video .material-media-controls{display:grid;grid-template-columns:44px auto minmax(0,1fr) auto 44px;gap:0 8px;padding:0 16px 12px;flex:none;background:var(--brand-secondary);color:var(--muted);font:12px var(--font);font-variant-numeric:tabular-nums}.material-media-controls [data-media-title]{display:none}.material-media-controls [data-media-seek],.material-window-overlay .material-viewer--video .material-media-controls input{grid-column:1/-1;grid-row:1;width:100%;min-width:0;height:44px;margin:0;padding:0;border:0;-webkit-appearance:none;appearance:none;background:transparent;accent-color:var(--brand-primary);touch-action:pan-y}.material-media-controls input::-webkit-slider-runnable-track{height:4px;border-radius:99px;background:linear-gradient(90deg,var(--brand-primary) var(--media-progress,0%),var(--line) var(--media-progress,0%))}.material-media-controls input::-moz-range-track{height:4px;border-radius:99px;background:var(--line)}.material-media-controls input::-moz-range-progress{height:4px;background:var(--brand-primary)}.material-media-controls input::-webkit-slider-thumb{width:16px;height:16px;margin-top:-6px;border:0;border-radius:50%;-webkit-appearance:none;appearance:none;background:var(--brand-primary)}.material-media-controls input::-moz-range-thumb{width:16px;height:16px;border:0;border-radius:50%;background:var(--brand-primary)}.material-media-controls .material-control--play{grid-column:1;grid-row:2}.material-audio-sheet .material-media-controls [data-media-current],.material-media-controls [data-media-current]{display:block;grid-column:2;grid-row:2}.material-media-controls [data-media-duration]{grid-column:4;grid-row:2}.material-media-controls [data-media-mute]{display:grid;grid-column:5;grid-row:2}.material-media-controls .material-control,.material-window-overlay .material-viewer--video .material-control{display:grid;place-items:center;width:44px;height:44px;min-height:44px;padding:0;border:0;border-radius:50%;color:var(--text);background:transparent}.material-media-controls .material-control--play,.material-window-overlay .material-viewer--video .material-control--play,.material-window-overlay .material-viewer--video .material-control--play:hover{background:var(--brand-primary);color:var(--brand-on-primary)}.material-control--play.is-playing .icon{opacity:1}.material-control .audio-block__glyph{width:20px;height:20px}.material-window-overlay .material-window,.material-window-overlay .material-window.is-fullscreen{height:100dvh!important;transform:none!important;border-radius:0}.material-window-overlay .material-window__bar{padding:max(8px,env(safe-area-inset-top)) 8px 8px 16px;cursor:default;touch-action:auto}.material-window-overlay .material-window__bar h2{font-size:14px}.material-window__actions .icon-button{width:44px;height:44px;min-height:44px}.material-window__actions [data-material-fullscreen]{display:none}.material-window__actions .icon{width:20px;height:20px}.material-window-overlay .material-viewer--video .material-viewer__footer{flex-direction:row;align-items:center;gap:12px;padding-bottom:max(8px,env(safe-area-inset-bottom));font-size:11px}.material-viewer__footer .button{min-height:44px}}.page:has(.course-player){animation:none}.lesson-media-slot{min-width:0}.lesson-media-dock{min-width:0;display:grid;gap:10px;align-self:start}.lesson-contents-toggle{display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;padding:0;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;transition:color .2s ease,background-color .2s ease}.lesson-contents-toggle .icon{width:21px;height:21px;flex:none}.lesson-contents-toggle:hover,.lesson-contents-toggle[aria-expanded=true]{background:var(--surface-2);color:var(--text)}.lesson-contents-toggle:focus-visible{outline:2px solid var(--text);outline-offset:3px}@media (max-width:760px){.course-player__nav{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 44px;width:100%;gap:6px;align-items:center}.course-player__nav .button{min-width:0;justify-content:center;padding-inline:8px;font-size:12px;white-space:nowrap}}.lesson-contents{display:grid;gap:16px;min-width:0}.lesson-contents[hidden]{display:none!important}.course-player.is-player-pinned .lesson-media-dock{position:fixed;top:var(--player-dock-top);left:var(--player-dock-left);width:var(--player-dock-width);z-index:15;background:var(--brand-secondary);border-radius:18px;box-shadow:0 4px 16px color-mix(in srgb,var(--brand-shadow) 8%,transparent)}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-audio-media .learning-audio-cover,.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-no-media{display:none}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-audio-media{min-height:0;aspect-ratio:auto}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-audio-media:after{display:none}.course-player:is(.is-reading,.is-player-pinned) .audio-block__title{display:none}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-video-media:not(.is-fullscreen):not(.has-quiz){min-height:0;height:180px;aspect-ratio:auto}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-video-media:not(.is-fullscreen):not(.has-quiz)>video{max-height:180px;object-fit:contain}@media (max-width:760px){.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-audio-media .audio-block{padding:8px 12px}.course-player:is(.is-reading,.is-player-pinned) .audio-block .audio-block__row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0 4px}.course-player:is(.is-reading,.is-player-pinned) .audio-block .audio-block__row>button,.course-player:is(.is-reading,.is-player-pinned) .audio-block .audio-block__volume-group{grid-row:1;justify-self:center}.course-player:is(.is-reading,.is-player-pinned) .audio-block .audio-block__seek[data-ab-seek]{grid-column:1/4;grid-row:2;margin:0;height:32px}.course-player:is(.is-reading,.is-player-pinned) .audio-block .audio-block__time{grid-column:4/6;grid-row:2;justify-content:flex-end;align-items:center;gap:4px;margin:0;font-size:11px}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-video-media:not(.is-fullscreen):not(.has-quiz){height:auto}.course-player:is(.is-reading,.is-player-pinned) .video-shell.learning-video-media:not(.is-fullscreen):not(.has-quiz)>video{height:120px;max-height:120px;aspect-ratio:auto}}@media (prefers-reduced-motion:reduce){.lesson-contents-toggle{transition:none}}@media (min-width:761px){.lesson-contents-toggle{display:none}}html #main-content .content-carousel{--carousel-columns:3;--carousel-gap:16px;display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - (var(--carousel-columns) - 1) * var(--carousel-gap)) / var(--carousel-columns));align-items:stretch;gap:var(--carousel-gap);min-width:0;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:2px;padding:4px 2px 14px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;cursor:grab}html #main-content .content-carousel.grid-4{--carousel-columns:4}html #main-content .content-carousel.grid-2{--carousel-columns:2}html #main-content .content-carousel>*{min-width:0;max-width:none;grid-column:auto;grid-row:auto;scroll-snap-align:start}html #main-content .content-carousel>[hidden]{display:none!important}html #main-content .content-carousel.is-dragging{scroll-snap-type:none;scroll-behavior:auto;-webkit-user-select:none;user-select:none}html #main-content .content-carousel.is-dragging,html #main-content .content-carousel.is-dragging *{cursor:grabbing!important;-webkit-user-select:none;user-select:none}.content-carousel:focus-visible{outline:2px solid var(--text);outline-offset:3px}@media (min-width:761px) and (max-width:1100px){html #main-content .content-carousel,html #main-content .content-carousel.grid-4{--carousel-columns:2}}@media (min-width:761px){html #main-content .content-carousel.course-grid{grid-template-columns:repeat(var(--carousel-columns),minmax(0,1fr));grid-auto-flow:row;grid-auto-columns:auto;overflow:visible;scroll-snap-type:none;padding:0;cursor:auto}}@media (max-width:760px){html #main-content .content-carousel{grid-auto-columns:min(86%,340px);--carousel-gap:14px}html #main-content .content-carousel:has(>:not([hidden]):only-child){grid-auto-columns:100%}}@media (min-width:761px){.learning-audio-media .audio-block__seek::-webkit-slider-runnable-track{background:linear-gradient(90deg,var(--course-accent,var(--brand-secondary)) var(--progress),color-mix(in srgb,var(--brand-secondary) 20%,var(--brand-dark)) var(--progress))}.learning-audio-media .audio-block__seek::-moz-range-track{background:linear-gradient(90deg,var(--course-accent,var(--brand-secondary)) var(--progress),color-mix(in srgb,var(--brand-secondary) 20%,var(--brand-dark)) var(--progress))}.learning-audio-media .audio-block__seek::-moz-range-progress{background:transparent}.learning-audio-media .audio-block__seek::-webkit-slider-thumb{background:var(--course-accent,var(--brand-secondary));box-shadow:none}.learning-audio-media .audio-block__seek::-moz-range-thumb{background:var(--course-accent,var(--brand-secondary));box-shadow:none}}@media (max-width:760px){html{scroll-behavior:auto}html:has(.app-shell),body:has(.app-shell){height:100%;overflow:hidden}html .app-shell .page{animation:none;transform:none;scroll-behavior:auto}.page :where(section,article,form,fieldset,nav),.page :where(.grid,.page-head,.page-actions,.card-title,.resource,.profile-grid,.profile-settings-grid)>*{min-width:0;max-width:100%}.page :where(h1,h2,h3,h4,p,label,legend,dd,dt,summary),.sidebar :where(.side-link,.side-submenu__label){overflow-wrap:anywhere}.page :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),select,textarea){min-width:0;max-width:100%;font-size:16px}.page :where(pre){max-width:100%;overflow:auto}.page :where(iframe,video,canvas){max-width:100%}.page :where(.page-head,.card-title,.page-actions,.profile-identity,.course-player__nav){gap:12px;flex-wrap:wrap}.page :where(.profile-tabs,.up-tabs,.tabs,.filter-row){flex-wrap:wrap;overflow:visible}.page :where(.profile-tabs,.up-tabs,.tabs)>button{flex:1 1 auto;min-width:0;min-height:44px;height:auto;padding:10px 12px;white-space:normal;overflow-wrap:anywhere}.page .filter-row>*{flex:1 1 140px;min-width:0}.page .profile-settings-grid{grid-template-columns:minmax(0,1fr)}.page .lesson-edit-filters{position:sticky;top:0;bottom:auto;left:auto;right:auto;z-index:20;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;width:100%;min-height:0;margin:0 0 16px;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--brand-secondary);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.page .lesson-edit-filters button{grid-template-columns:24px minmax(0,1fr);gap:8px;min-height:48px;padding:8px;text-align:left;justify-items:start}.page .lesson-edit-filters button:hover{transform:none}.page .lesson-edit-filters button span{min-width:0;font-size:12px;overflow-wrap:anywhere}.page .lesson-edit-filters button small,.page .lesson-edit-filters button b{display:none}.page .lesson-edit-filters .icon{width:18px;height:18px;padding:3px}.page .lesson-edit-page.is-materials-view{display:flex;flex-direction:column}.page .lesson-edit-page.is-materials-view .lesson-edit-filters{flex:0 0 auto;margin:0;border-radius:0}.page .lesson-edit-page.is-materials-view .lesson-edit-layout{flex:1 1 auto;height:auto;min-height:0}.page .lesson-edit-page.is-materials-view .file-explorer{height:100%}.page .lesson-edit-page.is-quizzes-view .lesson-quiz-archive{min-height:0}.page .file-explorer .lesson-material-tile small{width:100%;min-width:0;white-space:normal;overflow-wrap:anywhere}.page .file-explorer__path button{white-space:normal;overflow-wrap:anywhere}.page .file-explorer :is(.lesson-material-grid,.lesson-quiz-file-grid){grid-template-columns:repeat(auto-fill,minmax(min(130px,100%),1fr))}.page .file-explorer .lesson-material-tile strong{font-size:12px;-webkit-line-clamp:3}.page .profile-settings-form{padding:16px}.page .profile-cover{padding:20px 16px}.page .profile-identity>div{min-width:0;max-width:100%}.page .profile-identity p{overflow-wrap:anywhere}.page .profile-account-details{width:100%;min-width:0}.page .button{min-width:0;max-width:100%;overflow-wrap:anywhere}.page .resource>button,.page .resource>.button{flex-shrink:1}html #main-content .content-carousel{scroll-snap-type:x proximity}.page .table-wrap{min-width:0;max-width:100%;overscroll-behavior-y:auto}.toast-region{bottom:calc(92px + env(safe-area-inset-bottom));max-width:calc(100vw - 20px)}.lesson-sticky-actions,.modal-overlay,.material-window-overlay,.lie-overlay,.lvs-overlay,.course-player .video-shell__label,.lesson-media-board :is(.lmb-badge,.lmb-chip,.lmb-status,.lmb-btn){-webkit-backdrop-filter:none;backdrop-filter:none}}@media (hover:none) and (pointer:coarse){.card,.course-card,.store-tile,.product-library-card{box-shadow:0 3px 12px color-mix(in srgb,var(--brand-shadow) 6%,transparent)}.card:hover,.course-card:hover,.store-tile:hover,.product-library-card:hover{transform:none}}html :is(.audio-block__play,.audio-block__button,.lvp-btn,.lvp-center,.material-control),html .audio-block :is(.icon,.audio-block__glyph),html .lvp-host .lvp-ui .lvs-icon,html .material-control :is(.icon,.audio-block__glyph){color:var(--media-text)!important}html :is(.audio-block__play,.audio-block__button,.lvp-btn,.material-control){background:var(--media-surface)!important}html .material-control :is(.icon,.audio-block__glyph){opacity:1}
