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max-content;min-height:4.8rem}.cc-modal-header-title{align-self:center;color:var(--color-text-bolder);padding:var(--space-8) var(--space-16)}.cc-modal-header-close{border-top-right-radius:var(--radius-xl);margin-left:auto}.settings-settingsModal{border:.1rem solid var(--color-border-default,hsla(0,0%,100%,.1))}.settings-settingsModal .section-title-dismissible-name{padding-left:2.4rem}.settings-loadingWrapper{align-items:center;background:hsla(0,0%,100%,.2);border-radius:var(--radius-xl);display:flex;inset:0;justify-content:center;position:absolute}.settings-courseTitle{color:var(--color-text-boldest);display:block;font-size:1.6rem;font-weight:600;line-height:2rem;margin-bottom:var(--space-24);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-settings{-moz-column-gap:var(--space-12);column-gap:var(--space-12);display:grid;grid-template-columns:repeat(8,1fr);row-gap:var(--space-16)}.cc-progress-bar-steps-visible-component{color:var(--color-text-subtle);margin-left:auto;padding-right:var(--space-8);position:relative}.cc-progress-bar-steps-visible-fade-enter-active,.cc-progress-bar-steps-visible-fade-leave-active{transition:opacity .2s var(--motion-ease-out-gentle)}.cc-progress-bar-steps-visible-fade-enter-from,.cc-progress-bar-steps-visible-fade-leave-to{opacity:0}.cc-progress-bar-component{align-items:center;background-color:var(--color-bg-progress-track);display:flex;height:1.6rem;overflow:hidden;position:relative;width:100%}.cc-progress-bar-smooth{transition:background-color .7s var(--motion-ease-out-dramatic),width .7s var(--motion-ease-out-dramatic)}.cc-progress-bar-complete,.cc-progress-bar-component,.cc-progress-bar-in-progress{border-radius:var(--radius-xl)}.cc-progress-bar-complete,.cc-progress-bar-in-progress{height:100%;position:absolute}.cc-progress-bar-in-progress{background-color:var(--color-bg-progress-current);width:calc(var(--a0208074)/var(--fa2276a4)*100%)}.cc-progress-bar-complete{background:var(--v90ff1a50);width:calc(var(--v7a5513d0)/var(--fa2276a4)*100%)}.learn-progress-component{display:flex;gap:var(--space-12)}.learn-progress-link{line-height:0}.learn-progress-image{border-radius:var(--radius-l)}.learn-progress-content{display:flex;flex-direction:column;flex-grow:1}.learn-progress-title{color:var(--color-text-bolder)}.learn-progress-bar{align-items:center;display:flex;gap:var(--space-8);margin-top:var(--space-12)}.learn-progress-percent{color:var(--color-text-bolder)}.learn-progress-text{color:var(--color-text-subtle);line-height:1;margin-top:var(--space-8)}.cc-tooltip-component{--tooltipBackground:var(--color-transparent-black-77);--tooltipTextColor:var(--color-text-boldest);pointer-events:none;position:fixed;z-index:9999}.cc-tooltip-content{display:flex;opacity:0;position:absolute;transition-duration:.2s;transition-property:opacity,left,right,top,bottom;transition-timing-function:var(--motion-ease-out-gentle);width:30rem}.cc-tooltip-content.cc-tooltip-visible{opacity:1}.cc-tooltip-content:before{border:.5rem solid transparent;content:"";display:block;position:absolute}.cc-tooltip-inner{background-color:var(--tooltipBackground);border-radius:var(--radius-m);color:var(--tooltipTextColor);padding:var(--space-8)}.cc-tooltip-left{justify-content:flex-end;right:calc(100% - .1rem);top:50%;transform:translateY(-50%)}.cc-tooltip-left.cc-tooltip-visible{right:calc(100% + .9rem)}.cc-tooltip-left:before{border-left-color:var(--tooltipBackground);left:100%;top:50%;transform:translateY(-50%)}.cc-tooltip-right{left:calc(100% - .1rem);top:50%;transform:translateY(-50%)}.cc-tooltip-right.cc-tooltip-visible{left:calc(100% + .9rem)}.cc-tooltip-right:before{border-right-color:var(--tooltipBackground);right:100%;top:50%;transform:translateY(-50%)}.cc-tooltip-top{bottom:calc(100% - .1rem)}.cc-tooltip-top.cc-tooltip-visible{bottom:calc(100% + .9rem)}.cc-tooltip-top:before{border-top-color:var(--tooltipBackground);top:100%}.cc-tooltip-bottom{top:calc(100% - .1rem)}.cc-tooltip-bottom.cc-tooltip-visible{top:calc(100% + .9rem)}.cc-tooltip-bottom:before{border-bottom-color:var(--tooltipBackground);bottom:100%}.cc-tooltip-bottom.cc-tooltip-anchor-left,.cc-tooltip-top.cc-tooltip-anchor-left{left:0}.cc-tooltip-bottom.cc-tooltip-anchor-left:before,.cc-tooltip-top.cc-tooltip-anchor-left:before{left:calc(var(--target-width)/2 - .5rem)}.cc-tooltip-bottom.cc-tooltip-anchor-center,.cc-tooltip-top.cc-tooltip-anchor-center{justify-content:center;left:50%;transform:translateX(-50%)}.cc-tooltip-bottom.cc-tooltip-anchor-center:before,.cc-tooltip-top.cc-tooltip-anchor-center:before{left:50%;transform:translateX(-50%)}.cc-tooltip-bottom.cc-tooltip-anchor-right,.cc-tooltip-top.cc-tooltip-anchor-right{justify-content:flex-end;right:0}.cc-tooltip-bottom.cc-tooltip-anchor-right:before,.cc-tooltip-top.cc-tooltip-anchor-right:before{right:calc(var(--target-width)/2 - .5rem)}.review-cycle-card-component{background:var(--color-bg-subtler);border-radius:var(--radius-l);padding:var(--space-8)}.review-cycle-card-disabled{background:var(--color-bg-subtlest)}.review-cycle-card-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.review-cycle-card-value{color:var(--color-text-boldest)}.review-cycles-component{display:flex;flex-direction:column;gap:var(--space-8)}.review-cycles-title{color:var(--color-text-bolder);display:flex;gap:var(--space-12);justify-content:space-between}.review-cycles-icon{align-items:center;display:flex;height:1.6rem;justify-content:center;width:1.6rem}.review-cycles-icon>*{flex-shrink:0}.review-cycles-grid{--max-cols:3;--cols-min-width:104px;--row-gap:var(--space-8);--column-gap:var(--space-8);display:grid;gap:var(--row-gap) var(--column-gap);grid-template-columns:repeat(auto-fit,minmax(max(var(--cols-min-width),100%/var(--max-cols) - var(--column-gap) * (var(--max-cols) - 1)/var(--max-cols)),1fr))}.sidebar-overlay-component{background:var(--color-bg-overlay);inset:0;position:absolute;transition:opacity .2s var(--motion-ease-out-gentle);z-index:2}.sidebar-overlay-content{background:var(--color-bg-opaque);display:flex;flex-direction:column;gap:var(--space-16);padding:var(--space-16)}.sidebar-overlay-hidden{opacity:0}.footer-extra-info-component{color:var(--color-text-default)}.footer-subtitle-component{line-height:0}.footer-subtitle-component>span:before{content:"";display:inline-block}.footer-subtitle-primary{color:var(--color-text-bolder);display:inline-block}.footer-subtitle-secondary{color:var(--color-text-subtle);margin-left:var(--space-2)}.footer-subtitle-win{color:var(--color-text-win)}.footer-subtitle-fade{opacity:0}.footer-subtitle-slow{transition:all .4s var(--motion-ease-out-gentle)}.footer-subtitle-fast{transition:all .1s var(--motion-ease-out-gentle)}.footer-subtitle-leave{transition:all .15s var(--motion-ease-out-gentle)}.footer-subtitle-part-1,.footer-subtitle-part-2{transition:all .3s var(--motion-ease-out-gentle)}.footer-subtitle-part-2{transition-delay:.45s}.sidebar-claim-footer-component{background:var(--color-bg-tertiary);display:flex;flex-direction:column;gap:var(--space-16);padding-bottom:var(--space-16);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-16)}.sidebar-claim-footer-cta{align-items:center;display:flex;gap:var(--space-12);width:100%}@container (max-width: 462px){.sidebar-claim-footer-cta{align-items:baseline;flex-direction:column;gap:var(--space-12)}.sidebar-claim-footer-cta a,.sidebar-claim-footer-cta button{width:100%}}.sidebar-claim-footer-details{align-items:center;display:flex;flex-grow:1;gap:var(--space-12)}.sidebar-claim-footer-content{display:flex;flex-direction:column;gap:var(--space-4)}.sidebar-claim-footer-grow{min-width:-moz-fit-content;min-width:fit-content}.token-counter-component{align-items:center;display:flex;gap:var(--space-8)}.token-counter-tokens{display:flex;gap:var(--space-4)}.token-counter-token{background-color:var(--color-bg-success);border-radius:var(--space-4);height:var(--space-12);transition:background-color .2s var(--motion-ease-out-gentle);width:var(--space-12)}.token-counter-used-token{background-color:var(--color-bg-subtle);display:flex}.token-counter-checkmark{color:var(--color-icon-subtle)}.token-counter-numeric-tokens-count{color:var(--color-text-subtle)}.token-counter-fade{opacity:0}.token-counter-transition{transition:opacity .2s var(--motion-ease-out-gentle)}.previews-per-course-counter-component{align-items:flex-start;border-top:var(--border-s) solid var(--color-border-default);color:var(--color-text-subtle);display:flex;gap:var(--space-4);padding-top:var(--space-16)}.sidebar-preview-footer-component{background:var(--color-bg-tertiary);display:flex;flex-direction:column;gap:var(--space-16);padding-bottom:var(--space-16);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-16)}.sidebar-preview-footer-cta{align-items:center;display:flex;gap:var(--space-12);min-height:4.8rem;width:100%}@container (max-width: 462px){.sidebar-preview-footer-cta{align-items:baseline;flex-direction:column;gap:var(--space-12)}.sidebar-preview-footer-cta a,.sidebar-preview-footer-cta button{width:100%}}.sidebar-preview-footer-content{display:flex;flex-direction:column;flex-grow:1;gap:var(--space-4)}.sidebar-preview-footer-fade{opacity:0}.sidebar-preview-footer-transition{transition:all 50ms var(--motion-ease-out-gentle)}.wistia-player-component{aspect-ratio:16/9;position:relative;width:100%}.wistia-player-veil:before{content:"";inset:0;position:absolute;z-index:1}.wistia-player-hideThumbnail [data-handle=thumbnail]{display:none!important}.vimeo-player-vimeo-player-wrapper{margin-right:-.2rem;position:relative;width:calc(100% + .2rem)}.vimeo-player-veil:before{content:"";inset:0;position:absolute;z-index:1}.vimeo-player-hideThumbnail [data-handle=thumbnail]{display:none!important}.course-video-component{aspect-ratio:16/9;margin:0 auto;min-width:min(20rem,100%);position:relative}.course-video-loader{align-items:center;background:var(--theme-background-color,#312e2b);display:flex;inset:0;justify-content:center;position:absolute}.course-video-hidden{display:none}.video-resizer-component{cursor:row-resize;margin:-.7rem 0;padding:.7rem 0;z-index:1}.video-resizer-line{background-clip:content-box;background-color:var(--color-border-default);border:.1rem solid transparent;border-left:none;border-right:none;height:.3rem;margin:-.1rem 0;transition:background-color .2s,border-color .2s}.video-resizer-dragging>.video-resizer-line,:hover>.video-resizer-line{background-color:var(--color-border-bold);border-color:var(--color-border-bold)}.video-resizer-drag-overlay{cursor:row-resize;inset:0;position:fixed;z-index:9999}.base-modal-modal-header{border-radius:var(--radius-xl) var(--radius-xl) 0 0;line-height:0;overflow:hidden;width:100%}.base-modal-content{display:flex;flex-direction:column;gap:var(--space-24);padding:var(--space-32)}.base-modal-title{color:var(--color-text-boldest);text-align:center}.cc-chip-component{--chip-color-bg:var(--color-bg-subtle);--chip-color-fg:var(--color-text-default);--chip-color-transparency:0%;align-items:center;background-color:color-mix(in srgb,var(--chip-color-bg),transparent var(--chip-color-transparency));border-radius:var(--radius-m);color:var(--chip-color-fg);display:inline-flex;gap:var(--space-4);justify-content:center;min-height:2rem;padding:var(--space-2) var(--space-4);text-align:center}.cc-chip-opaque{--chip-color-fg:var(--color-neutrals-white);text-shadow:0 var(--border-s) 0 var(--color-transparent-black-20)}.cc-chip-opaque svg{filter:drop-shadow(0 var(--border-s) 0 var(--color-transparent-black-20))}.cc-chip-aqua-translucent{--chip-color-bg:var(--color-aqua-200);--chip-color-fg:var(--color-aqua-400);--chip-color-transparency:80%}.dark-mode .cc-chip-aqua-translucent{--chip-color-fg:var(--color-aqua-200);--chip-color-transparency:90%}.cc-chip-aqua-opaque{--chip-color-bg:var(--color-aqua-400)}.cc-chip-blue-translucent{--chip-color-bg:var(--color-blue-100);--chip-color-fg:var(--color-blue-400);--chip-color-transparency:80%}.dark-mode .cc-chip-blue-translucent{--chip-color-bg:var(--color-blue-200);--chip-color-fg:var(--color-blue-100);--chip-color-transparency:90%}.cc-chip-blue-opaque{--chip-color-bg:var(--color-blue-200)}.dark-mode .cc-chip-blue-opaque{--chip-color-bg:var(--color-blue-300)}.cc-chip-brown-translucent{--chip-color-bg:var(--color-brown-200);--chip-color-fg:var(--color-brown-500);--chip-color-transparency:80%}.dark-mode .cc-chip-brown-translucent{--chip-color-fg:var(--color-brown-200);--chip-color-transparency:90%}.cc-chip-brown-opaque{--chip-color-bg:var(--color-brown-300)}.cc-chip-fuchsia-translucent{--chip-color-bg:var(--color-fuchsia-200);--chip-color-fg:var(--color-fuchsia-400);--chip-color-transparency:80%}.dark-mode .cc-chip-fuchsia-translucent{--chip-color-fg:var(--color-fuchsia-200);--chip-color-transparency:90%}.cc-chip-fuchsia-opaque{--chip-color-bg:var(--color-fuchsia-300)}.cc-chip-gold-translucent{--chip-color-bg:var(--color-gold-200);--chip-color-fg:var(--color-gold-500);--chip-color-transparency:80%}.dark-mode .cc-chip-gold-translucent{--chip-color-fg:var(--color-gold-200);--chip-color-transparency:90%}.cc-chip-gold-opaque{--chip-color-bg:var(--color-gold-300)}.cc-chip-gray-opaque{--chip-color-bg:var(--color-gray-500)}.dark-mode .cc-chip-gray-opaque{--chip-color-bg:var(--color-gray-600)}.cc-chip-green-translucent{--chip-color-bg:var(--color-green-300);--chip-color-fg:var(--color-green-600);--chip-color-transparency:80%}.dark-mode .cc-chip-green-translucent{--chip-color-bg:var(--color-green-600);--chip-color-fg:var(--color-green-300);--chip-color-transparency:70%}.cc-chip-green-opaque{--chip-color-bg:var(--color-green-300)}.cc-chip-orange-translucent{--chip-color-bg:var(--color-orange-200);--chip-color-fg:var(--color-orange-400);--chip-color-transparency:80%}.dark-mode .cc-chip-orange-translucent{--chip-color-fg:var(--color-orange-200);--chip-color-transparency:90%}.cc-chip-orange-opaque{--chip-color-bg:var(--color-orange-300)}.cc-chip-purple-translucent{--chip-color-bg:var(--color-purple-100);--chip-color-fg:var(--color-purple-400);--chip-color-transparency:80%}.dark-mode .cc-chip-purple-translucent{--chip-color-bg:var(--color-purple-200);--chip-color-fg:var(--color-purple-100);--chip-color-transparency:90%}.cc-chip-purple-opaque{--chip-color-bg:var(--color-purple-300)}.cc-chip-red-translucent{--chip-color-bg:var(--color-red-200);--chip-color-fg:var(--color-red-400);--chip-color-transparency:80%}.dark-mode .cc-chip-red-translucent{--chip-color-fg:var(--color-red-200);--chip-color-transparency:90%}.cc-chip-red-opaque{--chip-color-bg:var(--color-bg-danger)}.cc-chip-skin-translucent{--chip-color-bg:var(--color-skin-200);--chip-color-fg:var(--color-skin-400);--chip-color-transparency:80%}.dark-mode .cc-chip-skin-translucent{--chip-color-fg:var(--color-skin-200);--chip-color-transparency:90%}.cc-chip-skin-opaque{--chip-color-bg:var(--color-skin-400)}.cc-chip-slate-translucent{--chip-color-bg:var(--color-slate-200);--chip-color-fg:var(--color-slate-400);--chip-color-transparency:80%}.dark-mode .cc-chip-slate-translucent{--chip-color-fg:var(--color-slate-200);--chip-color-transparency:90%}.cc-chip-slate-opaque{--chip-color-bg:var(--color-slate-300)}.dark-mode .cc-chip-slate-opaque{--chip-color-bg:var(--color-slate-400)}.cc-chip-truncate{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.variation-learned-modal-message{color:var(--color-text-default);text-align:center}.variation-learned-modal-message-subtle{align-items:center;color:var(--color-text-subtle);display:flex;gap:var(--space-8);justify-content:center;margin-top:var(--space-8);text-align:center}.variation-learned-modal-header-container{align-items:center;aspect-ratio:16/9;background:linear-gradient(to bottom,#109888,var(--color-aqua-600));border-radius:var(--radius-xl) var(--radius-xl) 0 0;display:flex;flex-direction:column;justify-content:flex-start;overflow:hidden;width:100%}.variation-learned-modal-header-container div{transform:translateY(-8%)!important}.variation-learned-modal-animation{width:80%}.variation-previewed-modal-message{color:var(--color-text-default);text-align:center}.variation-previewed-modal-image{border-radius:var(--radius-xl) var(--radius-xl) 0 0}.carousel-modal-modal-body{display:grid;grid-template-rows:27rem 4.2rem minmax(0,1fr);overflow:hidden}.carousel-modal-promo-image{height:auto;width:100%}.carousel-modal-dots{align-items:center;display:grid;gap:var(--space-12);grid-template-columns:repeat(var(--v57fd435c),1rem);justify-content:center;padding-block:var(--space-16)}.carousel-modal-dot{cursor:pointer;height:100%;position:relative;width:100%}.carousel-modal-dot:after{background-color:var(--color-icon-subtle);border-radius:var(--radius-circular);content:"";height:.6rem;inset:50%;position:absolute;transform:translate(-50%,-50%);width:.6rem}.carousel-modal-dot.carousel-modal-active{cursor:default}.carousel-modal-dot.carousel-modal-active:after{background-color:var(--color-icon-boldest);height:1rem;width:1rem}.carousel-modal-content{align-items:center;display:flex;flex-direction:column;gap:var(--space-16);min-height:2.1rem;padding:0 var(--space-24) var(--space-24) var(--space-24)}.carousel-modal-title{color:var(--color-text-boldest);text-align:center}.carousel-modal-subtitle{color:var(--color-text-default);margin-bottom:auto;text-align:center}.cc-tab-group-component{--cc-tabs-display:flex;--cc-tab-item-bg:transparent;--cc-tab-item-wrap:nowrap;--cc-tab-item-overflow:hidden;--cc-tab-item-height:5.6rem;--cc-tab-item-label:var(--color-text-default);--cc-tab-item-icon:var(--color-icon-default);--cc-tab-item-box-shadow-active:none;border-radius:var(--radius-l) var(--radius-l) 0 0;display:var(--cc-tabs-display);max-width:100%}.cc-tab-group-aside,.cc-tab-group-main{--cc-tab-item-bg:var(--color-bg-tertiary)}.cc-tab-group-aside{--cc-tab-item-wrap:wrap}.cc-tab-group-secondary{--cc-tab-item-height:4.8rem;--cc-tab-item-box-shadow-active:inset 0 calc(var(--border-l)*-1) var(--color-border-bold);box-shadow:inset 0 calc(var(--border-s)*-1) var(--color-border-default)}.cc-tab-group-inline{--cc-tabs-display:inline-flex;--cc-tab-item-flex:auto;--cc-tab-item-box-shadow-active:inset 0 calc(var(--border-l)*-1) var(--color-border-selected);--cc-tab-item-radius:0;gap:var(--space-16);padding:0 var(--space-12)}.cc-tab-group-scrollable{-webkit-mask-image:linear-gradient(270deg,transparent 0,var(--color-neutrals-black) var(--fade-end-point,0),var(--color-neutrals-black) 100%,transparent);mask-image:linear-gradient(270deg,transparent 0,var(--color-neutrals-black) var(--fade-end-point,0),var(--color-neutrals-black) 100%,transparent);overflow-y:auto;scrollbar-width:none}.cc-tab-group-scrollable .cc-tab-group-component{--cc-tab-item-overflow:initial}.cc-tab-group-space{flex-shrink:0;width:.1rem}.cc-tab-group-fadeEnd{--fade-end-point:4.8rem}.cc-tab-item-component{align-content:center;align-items:center;background-color:var(--cc-tab-item-bg);border:none;-moz-column-gap:var(--space-8);column-gap:var(--space-8);display:inline-flex;flex:var(--cc-tab-item-flex,1 1 0);flex-wrap:var(--cc-tab-item-wrap);height:var(--cc-tab-item-height);justify-content:center;overflow:var(--cc-tab-item-overflow);padding:0 var(--space-12);row-gap:var(--space-2);transition:all .25s var(--motion-ease-out-gentle);transition-property:background-color,box-shadow,color}.cc-tab-item-component:first-child{border-top-left-radius:var(--cc-tab-item-radius,var(--radius-l))}.cc-tab-item-component:last-child{border-top-right-radius:var(--cc-tab-item-radius,var(--radius-l))}.cc-tab-item-component.cc-tab-item-active{--cc-tab-item-bg:transparent;--cc-tab-item-label:var(--color-text-bolder);--cc-tab-item-icon:var(--color-icon-bolder);box-shadow:var(--cc-tab-item-box-shadow-active)}.cc-tab-item-component.cc-tab-item-disabled{cursor:not-allowed;opacity:.5}.cc-tab-item-component:hover:not(.cc-tab-item-active):not(.cc-tab-item-disabled){--cc-tab-item-label:var(--color-text-bolder);--cc-tab-item-icon:var(--color-icon-bolder)}.cc-tab-item-component:active:not(.cc-tab-item-active):not(.cc-tab-item-disabled){opacity:.8}a.cc-tab-item-component.cc-tab-item-active{pointer-events:none}.cc-tab-item-icon{color:var(--cc-tab-item-icon);min-width:100%;transition:color .25s var(--motion-ease-out-gentle)}.cc-tab-item-label{color:var(--cc-tab-item-label);display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cc-tab-item-badge{background-color:var(--color-bg-subtle);border-radius:var(--radius-m);color:var(--color-text-default);padding:var(--space-2) var(--space-4)}.cc-tab-item-notification{flex-shrink:0}.progress-circle-component{line-height:0;position:relative}.progress-circle-ring{transform:rotate(-90deg)}.progress-circle-track{stroke:var(--color-bg-progress-track)}.progress-circle-overlay{stroke:var(--color-bg-progress-completed);transition:stroke-dashoffset .3s var(--motion-ease-out-gentle)}.progress-circle-checkmark{left:0;position:absolute;top:0;transition-delay:.3s;transition-duration:.15s;transition-property:opacity,transform;transition-timing-function:var(--motion-ease-out-gentle)}.progress-circle-enter,.progress-circle-leave{opacity:0;transform:scale(.3)}.progress-circle-leave{transition-delay:0s}.learn-status-component{background-color:var(--color-bg-subtle);border-radius:var(--radius-circular);flex-shrink:0;height:calc(var(--icon-24)/2);margin:calc(var(--icon-24)/4);width:calc(var(--icon-24)/2)}.learn-status-isCompleted{background:var(--color-bg-progress-completed)}.variation-row-component{align-items:center;display:flex;min-height:4.8rem;padding:var(--space-4) var(--space-12) var(--space-4) 5.4rem;-webkit-user-select:none;-moz-user-select:none;user-select:none}.variation-row-component:hover{background:var(--color-transparent-white-5)}.variation-row-component:not(.variation-row-is-locked){cursor:pointer}.variation-row-component.variation-row-is-locked .variation-row-name{opacity:.5}.variation-row-component.variation-row-chapter-has-progress-circle{padding-left:5rem}.variation-row-name{-webkit-box-orient:vertical;display:-webkit-box;-webkit-line-clamp:2;color:var(--color-text-boldest);margin-left:var(--space-8);margin-right:auto;overflow:hidden;text-overflow:ellipsis}.variation-row-name-without-status{margin-left:0}.variation-row-badge{margin-left:var(--space-8)}.variation-row-extra-info{align-items:center;display:flex;gap:var(--space-8)}.variation-row-lock{cursor:help;display:inline-flex}.variation-row-selected-variation{background:var(--color-bg-subtler)}.variation-row-selected-variation:hover{background:var(--color-bg-subtlest)}.chapter-row-component{align-items:center;display:flex;gap:var(--space-12);min-height:6rem;padding:var(--space-12) 2rem;position:relative;-webkit-user-select:none;-moz-user-select:none;user-select:none}.chapter-row-component[isOpen]{border-bottom-color:transparent}.chapter-row-component[isOpen]:after{border-bottom:.1rem solid var(--color-border-subtlest);content:"";left:5.4rem;position:absolute;right:0;top:100%}.chapter-row-component[isOpen]:has(.chapter-row-circle):after{left:5.8rem}.chapter-row-component:not([disabled]){cursor:pointer}.chapter-row-component:not([disabled]):hover{background:var(--color-bg-subtlest)}.chapter-row-component:not([disabled]):hover[isOpen]{background:var(--color-transparent-white-5)}.chapter-row-videoIcons{height:2.4rem;position:relative;width:2.4rem}.chapter-row-videoIcons:hover .chapter-row-playing{opacity:0}.chapter-row-videoIcons:hover .chapter-row-pause{opacity:1}.chapter-row-pause,.chapter-row-play,.chapter-row-playing{color:var(--color-icon-default);left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:opacity .3s}.chapter-row-playing{transform:translate(-50%,-25%)}.chapter-row-pause{opacity:0}.chapter-row-component,.chapter-row-variations{border-bottom:.1rem solid var(--color-border-default)}.chapter-row-component[isOpen],.chapter-row-component[isOpen]+.chapter-row-variations{background:var(--color-bg-subtler)}.chapter-row-component[isOpen] .chapter-row-name{color:var(--color-text-boldest)}.chapter-row-component[isOpen] .chapter-row-number{color:var(--color-text-bolder)}.chapter-row-component[isOpen] .chapter-row-pause,.chapter-row-component[isOpen] .chapter-row-play,.chapter-row-component[isOpen] .chapter-row-playing{color:var(--color-icon-bolder)}.chapter-row-circle{flex-shrink:0}.chapter-row-name{-webkit-box-orient:vertical;display:-webkit-box;-webkit-line-clamp:2;margin-right:auto;overflow:hidden;text-overflow:ellipsis}.chapter-row-number{color:var(--color-icon-subtle);flex-shrink:0}.chapter-row-chevron{color:var(--color-icon-default);font-size:1.8rem}.chapter-row-actionsPanel{align-items:center;display:flex;gap:var(--space-8)}.review-empty-state-component{align-items:center;display:flex;flex-direction:column;gap:var(--space-24);height:100%;justify-content:center;padding:var(--space-24) 0;text-align:center}.review-empty-state-subtitle{color:var(--color-text-subtle)}.course-explorer-panel{flex:1 1 0;overflow:auto}@media (max-width:59.999em){.course-explorer-panel{flex-basis:auto}}@media (max-width:47.999em) and (orientation:portrait){body.mobile-portrait-full-height .course-explorer-panel{flex-basis:0}}.course-outline-backdrop{background:var(--color-bg-overlay);inset:0;position:absolute;z-index:2}.course-outline-component{background:var(--color-bg-opaque);display:flex;flex-direction:column;inset:0;left:25%;position:absolute}.course-outline-scroll-container{overflow-y:auto}.course-outline-backToCoursesLink{margin-top:auto;min-height:4.8rem;width:-moz-max-content;width:max-content}.course-outline-enter-active{transition:opacity .5s var(--motion-ease-out-dramatic)}.course-outline-enter-active .course-outline-component{transition:transform .5s var(--motion-ease-out-dramatic)}.course-outline-leave-active{transition:opacity .3s var(--motion-ease-out-dramatic)}.course-outline-leave-active .course-outline-component{transition:transform .3s var(--motion-ease-out-dramatic)}.course-outline-enter-from,.course-outline-leave-to{opacity:0}.course-outline-enter-from .course-outline-component,.course-outline-leave-to .course-outline-component{transform:translateX(100%)}.course-outline-enter-to{opacity:1}.course-outline-enter-to .course-outline-component{transform:translateX(0)}.sidebar-upsell-banner-component{display:flex;gap:var(--space-12)}.sidebar-upsell-banner-component img{border-radius:var(--radius-m)}.sidebar-upsell-banner-text{display:flex;flex-direction:column;gap:var(--space-4)}.sidebar-upsell-banner-authors{color:var(--color-text-subtle)}.sidebar-upsell-banner-extra-information{margin-top:auto}.san-icon{display:inline-block;font-size:2.3rem;margin-right:.1rem;margin-top:-.3rem!important}.light-mode .san-black{color:var(--color-text-boldest)}.light-mode .san-black:not(.san-selected){color:#8b8987}.course-popover-component{background-color:var(--color-bg-opaque);border-radius:var(--radius-l);border-top:.3rem solid rgba(248,229,0,.2);box-shadow:0 .2rem .5rem rgba(0,0,0,.5);color:var(--color-gray-600);font-size:1.3rem;font-weight:400;line-height:2rem;min-height:4rem;min-width:12rem;overflow-x:auto;position:fixed;z-index:2}.dark-mode .course-popover-component{border-color:var(--color-gray-500);color:var(--color-transparent-white-72)}.course-popover-row{align-items:center;cursor:pointer;display:flex;padding:.2rem}.course-popover-selected{background-color:var(--color-bg-subtler);text-shadow:0 0 #000}.course-popover-icon-wrap{width:2rem}.course-popover-icon-wrap .icon{margin-right:.5rem;width:2rem}.course-popover-icon-wrap .icon-font-chess.move-arrow-right:before{content:"]";font-size:1.6rem}.course-popover-arrow-hidden{visibility:hidden}.ply-node{color:var(--color-text-default);cursor:pointer;display:inline-block;height:2.4rem;line-height:2.4rem;padding:0 .4rem}.ply-node.ply-selected{background-color:var(--nodeBackground);border-bottom-style:solid;border-bottom-width:var(--border-l);border-color:var(--nodeBorder);border-radius:var(--radius-s);color:var(--nodeColorSelected);cursor:default}.dark-mode .ply-node.ply-selected{background-color:var(--color-transparent-white-14);border-color:var(--color-transparent-white-10)}.ply-node.ply-disabled{cursor:text}.ply-node:hover:not(.ply-disabled){background:var(--nodeBackground);border-radius:var(--radius-s)}.dark-mode .ply-node:hover:not(.ply-disabled){background:var(--color-transparent-white-14)}.ply-justify{margin-left:calc(var(--space-4)*-1)}.ply-component{display:inline-block}.turn-component{color:var(--color-text-subtle);font-weight:400}.main-node-node{color:var(--color-text-default);cursor:pointer;display:inline-block;height:2.4rem;line-height:2.4rem;padding:0 .4rem}.main-node-node.main-node-selected{background-color:var(--nodeBackground);border-bottom-style:solid;border-bottom-width:var(--border-l);border-color:var(--nodeBorder);border-radius:var(--radius-s);color:var(--nodeColorSelected);cursor:default}.dark-mode .main-node-node.main-node-selected{background-color:var(--color-transparent-white-14);border-color:var(--color-transparent-white-10)}.main-node-node.main-node-disabled{cursor:text}.main-node-node:hover:not(.main-node-disabled){background:var(--nodeBackground);border-radius:var(--radius-s)}.dark-mode .main-node-node:hover:not(.main-node-disabled){background:var(--color-transparent-white-14)}.main-node-justify{margin-left:calc(var(--space-4)*-1)}.main-node-component{margin-right:var(--space-4)}.comment-component{color:var(--color-text-default);cursor:auto;font-weight:400;margin-left:0;padding:var(--space-8) 0;-webkit-user-select:text;-moz-user-select:text;user-select:text}.comment-component>strong{font-weight:600}.comment-component ol,.comment-component ul,.start-fen-node-node{color:var(--color-text-default)}.start-fen-node-node{cursor:pointer;display:inline-block;height:2.4rem;line-height:2.4rem;padding:0 .4rem}.start-fen-node-node.start-fen-node-selected{background-color:var(--nodeBackground);border-bottom-style:solid;border-bottom-width:var(--border-l);border-color:var(--nodeBorder);border-radius:var(--radius-s);color:var(--nodeColorSelected);cursor:default}.dark-mode .start-fen-node-node.start-fen-node-selected{background-color:var(--color-transparent-white-14);border-color:var(--color-transparent-white-10)}.start-fen-node-node.start-fen-node-disabled{cursor:text}.start-fen-node-node:hover:not(.start-fen-node-disabled){background:var(--nodeBackground);border-radius:var(--radius-s)}.dark-mode .start-fen-node-node:hover:not(.start-fen-node-disabled){background:var(--color-transparent-white-14)}.start-fen-node-justify{margin-left:calc(var(--space-4)*-1)}.start-fen-node-icon{position:relative;top:.3rem}.nested-node-node{color:var(--color-text-default);cursor:pointer;display:inline-block;height:2.4rem;line-height:2.4rem;padding:0 .4rem}.nested-node-node.nested-node-selected{background-color:var(--nodeBackground);border-bottom-style:solid;border-bottom-width:var(--border-l);border-color:var(--nodeBorder);border-radius:var(--radius-s);color:var(--nodeColorSelected);cursor:default}.dark-mode .nested-node-node.nested-node-selected{background-color:var(--color-transparent-white-14);border-color:var(--color-transparent-white-10)}.nested-node-node.nested-node-disabled{cursor:text}.nested-node-node:hover:not(.nested-node-disabled){background:var(--nodeBackground);border-radius:var(--radius-s)}.dark-mode .nested-node-node:hover:not(.nested-node-disabled){background:var(--color-transparent-white-14)}.nested-node-justify{margin-left:calc(var(--space-4)*-1)}.nested-node-move{display:inline-block}.nested-node-gap{margin-right:var(--space-4)}.nested-line-component{line-height:2.4rem}.nested-line-overlay>:last-child{-webkit-mask-image:linear-gradient(270deg,transparent 0,transparent min(150rem,20%),#000 min(40rem,90%));mask-image:linear-gradient(270deg,transparent 0,transparent min(150rem,20%),#000 min(40rem,90%))}.nested-row-component{box-sizing:border-box;display:flex;font-weight:600;line-height:3rem;padding:var(--space-8) 0;position:relative;width:100%}.nested-row-indent{display:flex}.nested-row-vertical-line{border-left:.15rem solid var(--color-border-active);display:inline-block;margin:0;width:var(--space-12)}.nested-row-vertical-line.nested-row-trim-top{margin-top:var(--space-4)}.nested-row-vertical-line.nested-row-trim-bottom{margin-bottom:var(--space-4)}.nested-row-content{display:flex}.cc-sidebar-header-heading-x-large,.cc-sidebar-header-heading-x-large-bold{font-family:var(--font-family-heading);font-size:4.2rem;line-height:1.1428571429}.cc-sidebar-header-heading-x-large-bold{font-weight:800}.cc-sidebar-header-heading-large,.cc-sidebar-header-heading-large-bold{font-family:var(--font-family-heading);font-size:3.6rem;line-height:1.1111111111}.cc-sidebar-header-heading-large-bold{font-weight:800}.cc-sidebar-header-heading-medium{font-family:var(--font-family-heading);font-size:3.1rem;line-height:1.1612903226}.cc-sidebar-header-heading-medium-bold,.cc-sidebar-header-title.cc-sidebar-header-primary{font-family:var(--font-family-heading);font-size:3.1rem;font-weight:800;line-height:1.1612903226}.cc-sidebar-header-heading-small,.cc-sidebar-header-heading-small-bold{font-family:var(--font-family-heading);font-size:2.8rem;line-height:1.1428571429}.cc-sidebar-header-heading-small-bold{font-weight:800}.cc-sidebar-header-heading-x-small,.cc-sidebar-header-heading-x-small-bold{font-family:var(--font-family-heading);font-size:2.2rem;line-height:1.2727272727}.cc-sidebar-header-heading-x-small-bold{font-weight:800}.cc-sidebar-header-heading-xx-small,.cc-sidebar-header-heading-xx-small-bold,.cc-sidebar-header-title.cc-sidebar-header-secondary,.cc-sidebar-header-title.cc-sidebar-header-secondary-flat{font-family:var(--font-family-heading);font-size:1.7rem;line-height:1.1764705882}.cc-sidebar-header-heading-xx-small-bold{font-weight:800}.cc-sidebar-header-heading-xxx-small,.cc-sidebar-header-heading-xxx-small-bold{font-family:var(--font-family-heading);font-size:1.4rem;line-height:1.1428571429}.cc-sidebar-header-heading-xxx-small-bold{font-weight:800}.cc-sidebar-header-heading-label{font-family:var(--font-family-heading);font-size:1.2rem;letter-spacing:.05rem;line-height:1.1428571429;text-transform:uppercase}.cc-sidebar-header-text-x-large,.cc-sidebar-header-text-x-large-bold{font-size:1.8rem;line-height:1.3333333333}.cc-sidebar-header-text-x-large-bold{font-weight:600}.cc-sidebar-header-text-large{font-size:1.6rem;line-height:1.25}.cc-sidebar-header-text-large-bold{font-size:1.6rem;font-weight:600;line-height:1.25}.cc-sidebar-header-text-medium{font-size:1.4rem;line-height:1.1428571429}.cc-sidebar-header-text-medium-bold,.cc-sidebar-header-title.cc-sidebar-header-tertiary{font-size:1.4rem;font-weight:600;line-height:1.1428571429}.cc-sidebar-header-text-small,.cc-sidebar-header-text-small-bold{font-size:1.2rem;line-height:1.3333333333}.cc-sidebar-header-text-small-bold{font-weight:600}.cc-sidebar-header-text-x-small{font-size:1rem;line-height:1}.cc-sidebar-header-text-x-small-bold{font-size:1rem;font-weight:600;line-height:1}.cc-sidebar-header-text-label{font-size:1.2rem;font-weight:600;letter-spacing:.05rem;line-height:1.3333333333;text-transform:uppercase}.cc-sidebar-header-text-speech,.cc-sidebar-header-text-speech-bold{font-size:1.5rem;font-weight:500;line-height:1.3333333333}.cc-sidebar-header-text-speech-bold{font-weight:600}.cc-sidebar-header-paragraph-x-large{font-size:1.8rem;line-height:1.5555555556}.cc-sidebar-header-paragraph-x-large-bold{font-size:1.8rem;font-weight:600;line-height:1.5555555556}.cc-sidebar-header-paragraph-large{font-size:1.6rem;line-height:1.5}.cc-sidebar-header-paragraph-large-bold{font-size:1.6rem;font-weight:600;line-height:1.5}.cc-sidebar-header-paragraph-medium,.cc-sidebar-header-paragraph-medium-bold{font-size:1.4rem;line-height:1.4285714286}.cc-sidebar-header-paragraph-medium-bold{font-weight:600}.cc-sidebar-header-monospace{font-variant-numeric:tabular-nums}.cc-sidebar-header-ligatures-disabled,[class^=cc-heading]{font-variant-ligatures:none}.cc-sidebar-header-ligatures-enabled{font-variant-ligatures:normal}.cc-sidebar-header-component{--cc-header-button-width:calc(var(--space-12)*2 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.cc-sidebar-header-feature-icon{--cc-feature-icon-size:var(--icon-40)}.cc-sidebar-header-icon-end,.cc-sidebar-header-icon-end-secondary,.cc-sidebar-header-icon-start,.cc-sidebar-header-icon-start-secondary{align-items:center;background-color:transparent;border:none;color:var(--color-icon-default);display:flex;flex-shrink:0;font-size:var(--icon-20);justify-content:center;line-height:0;margin:0;padding:0;width:var(--cc-header-button-width)}.cc-sidebar-header-icon-end-secondary:hover:not([disabled]),.cc-sidebar-header-icon-end:hover:not([disabled]),.cc-sidebar-header-icon-start-secondary:hover:not([disabled]),.cc-sidebar-header-icon-start:hover:not([disabled]){color:var(--color-icon-bolder)}.cc-sidebar-header-disabled{cursor:not-allowed;opacity:.5}.quiz-prompt-component{background:var(--color-bg-opaque);margin-bottom:calc(var(--space-8)*-1);z-index:1}@media (max-width:47.999em) and (orientation:portrait){.quiz-prompt-component{position:sticky;top:0}}@media not all and (max-width:47.999em) and (orientation:portrait){.quiz-prompt-component{border:.1rem solid var(--color-border-subtlest);border-radius:var(--radius-xl);margin:var(--courses-sidebar-padding) var(--courses-sidebar-padding) -.6rem;overflow:hidden}.quiz-prompt-component+*{padding-top:var(--space-4)}}.quiz-prompt-inner{align-items:center;display:flex;gap:var(--space-12);padding-bottom:var(--space-12);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-12)}@media not all and (max-width:47.999em) and (orientation:portrait){.quiz-prompt-inner{background:var(--color-bg-subtlest);padding:var(--space-12)}.quiz-prompt-text{display:flex;flex-direction:column}}.quiz-prompt-boldest{color:var(--color-text-boldest)}@media not all and (max-width:47.999em) and (orientation:portrait){.quiz-prompt-mobile{display:none}}@media (max-width:47.999em) and (orientation:portrait){.quiz-prompt-desktop{display:none}}.course-move-list-component{display:flex;flex:1 1 0;flex-direction:column;font-size:1.3rem;overflow-x:hidden;overflow-y:auto}.course-move-list-component:not(.course-move-list-disabled){-webkit-user-select:none;-moz-user-select:none;user-select:none}@media (max-width:59.999em){.course-move-list-component{flex-basis:auto}}@media (max-width:47.999em) and (orientation:portrait){body.mobile-portrait-full-height .course-move-list-component{flex-basis:0}}.course-move-list-text{padding-bottom:var(--space-8);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-8)}.course-move-list-move{display:inline-block}.course-move-list-move+.course-move-list-row,.course-move-list-row+.course-move-list-move{margin-top:var(--space-4)}.course-move-list-move:first-child{margin-top:var(--space-8)}@media (min-height:calc(156.25vw + 180px)) and (min-width:360px),not all and (max-width:47.999em) and (orientation:portrait){.course-move-list-small-mobile{display:none}}.course-move-list-upsell-banner{margin-top:auto;padding-bottom:calc(var(--courses-sidebar-padding) - var(--courses-sidebar-footer-padding-top));padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-12)}@media not all and (max-width:47.999em) and (orientation:portrait){.course-move-list-mobile-portrait{display:none}}.course-variation-title-component{align-items:center;display:flex;flex-direction:row;padding-bottom:var(--space-4);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-4)}@media (max-width:47.999em) and (orientation:portrait){.course-variation-title-component{display:none}}.course-variation-title-with-border{border-bottom:var(--border-s) solid var(--color-border-default)}.course-variation-title-with-buttons{padding-left:var(--space-8);padding-right:var(--space-8)}.course-variation-title-button{flex-shrink:0}.course-variation-title-title{flex-grow:1;margin-left:var(--space-4);margin-right:var(--space-8);padding:1rem 0}.sidebar-content-component{--courses-sidebar-padding:var(--space-16);--courses-sidebar-footer-padding-top:var(--space-4);display:flex;flex-direction:column;flex-grow:1;position:relative}@container (max-width: 359px){.sidebar-content-component{--courses-sidebar-padding:var(--space-12)}}.sidebar-upsell-big-banner-component{background:var(--color-bg-tertiary);display:flex;gap:var(--space-12);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--courses-sidebar-padding)}.sidebar-upsell-big-banner-component img{border-radius:var(--radius-m)}.sidebar-upsell-big-banner-text{display:flex;flex-direction:column;gap:var(--space-4);justify-content:space-between;width:100%}.sidebar-upsell-big-banner-name{color:var(--color-text-bolder)}.sidebar-upsell-big-banner-authors{color:var(--color-text-subtle)}.variation-mastery-stats-component{align-items:center;display:flex;justify-content:space-between;min-height:2rem}.variation-mastery-stats-slide-container{flex-grow:1;overflow:hidden;position:relative}.variation-mastery-stats-mastered{color:var(--color-text-subtle);line-height:1}.variation-mastery-stats-icon{display:inline-block;vertical-align:middle}.variation-mastery-stats-next-review{align-items:center;display:flex;gap:var(--space-8)}.variation-mastery-stats-level{align-items:center;display:flex;gap:var(--space-4);transform:translateY(0)}.variation-mastery-stats-checkmark-container{line-height:0;position:relative}.variation-mastery-stats-checkmark-background{fill:var(--color-bg-opaque);inset:.1rem;position:absolute;z-index:-1}.variation-mastery-stats-checkmark{color:var(--color-aqua-300)}.variation-mastery-stats-slide-enter-active{transition:transform .25s var(--motion-ease-out-gentle);transition-delay:.3s}.variation-mastery-stats-slide-leave-active{position:absolute;transition:transform .18s var(--motion-ease-in-gentle);transition-delay:.1s}.variation-mastery-stats-slide-enter-from{transform:translateY(-100%)}.variation-mastery-stats-slide-leave-to{transform:translateY(100%)}.variation-mastery-stats-fade{opacity:0}.variation-mastery-stats-enter-active{transition:opacity .15s linear}.footer-mastery-section-component{display:flex;flex-direction:column;gap:var(--space-4)}.footer-mastery-section-title{color:var(--color-text-boldest)}.footer-mastery-section-fade{opacity:0}.footer-mastery-section-enter-active{transition:opacity .4s linear;transition-delay:.22s}.footer-next-button-component{display:flex;gap:var(--space-8)}@media (max-width:47.999em) and (orientation:portrait){.footer-next-button-component{order:-1}}.footer-next-button-no-shrink{flex-shrink:0}.footer-next-button-icon-bolder{color:var(--color-icon-bolder)}.segmented-progress-bar-component{--segment-gap:0.2rem;border-radius:var(--radius-xl);display:flex;height:1.6rem;overflow:hidden;position:relative}.segmented-progress-bar-segment{background:padding-box var(--color-bg-progress-track);flex-grow:1;overflow:hidden}.segmented-progress-bar-segment:not(:last-child){border-right:var(--segment-gap) solid transparent}.segmented-progress-bar-segment[data-complete]:not([data-fill]){background-color:var(--v7ed170e5)}.segmented-progress-bar-segment[data-fill-next]:after,.segmented-progress-bar-segment[data-fill]:after{background-color:var(--v7ed170e5);border-radius:0 var(--radius-m) var(--radius-m) 0;content:"";display:block;height:100%;transition:width .5s var(--motion-ease-in-out-dramatic);width:0}.segmented-progress-bar-segment[data-fill]:after{width:calc(125% + var(--radius-m))}.segmented-progress-bar-glint-mask{--segment-width:calc((100% - (var(--v4cbbd0b8) - 1)*var(--segment-gap))/var(--v4cbbd0b8));--filled-segments-width:calc(var(--segment-width)*var(--v41d0b59a) + var(--segment-gap)*(var(--v41d0b59a) - 1));clip-path:polygon(0 0,var(--filled-segments-width) 0,var(--filled-segments-width) 100%,0 100%);container-type:inline-size;height:100%;-webkit-mask-image:repeating-linear-gradient(to right,#000 0,#000 var(--segment-width),transparent var(--segment-width),transparent calc(var(--segment-width) + var(--segment-gap)));mask-image:repeating-linear-gradient(to right,#000 0,#000 var(--segment-width),transparent var(--segment-width),transparent calc(var(--segment-width) + var(--segment-gap)));position:absolute;width:100%}@media (prefers-reduced-motion){.segmented-progress-bar-glint-mask{display:none}}.segmented-progress-bar-glint{animation:segmented-progress-bar-glint .85s linear forwards;animation-delay:1.2s;background:var(--color-neutrals-white);height:100%;opacity:.28;position:absolute;top:0;transform:skewX(-36deg) translateX(-2.4rem);width:2.2rem}@keyframes segmented-progress-bar-glint{0%{transform:skewX(-36deg) translateX(-2.4rem)}to{transform:skewX(-36deg) translateX(calc(100cqw + .2rem))}}.footer-progress-bar-component{position:relative}.footer-progress-bar-hidden{opacity:0}.footer-progress-bar-leave-active{inset:0;position:absolute;transition:opacity .6s linear}.footer-quiz-related-buttons-component{display:flex;gap:var(--space-8)}.footer-quiz-related-buttons-no-shrink{flex-shrink:0}.cc-aside-item-component{align-items:center;background-color:transparent;border:none;color:var(--color-text-default);display:flex;gap:var(--space-12);margin:0;padding:var(--space-12);width:100%}.cc-aside-item-component .cc-aside-item-chevron{color:var(--color-icon-default)}.cc-aside-item-component:not(.cc-aside-item-selected):hover{background-color:var(--color-bg-subtlest);color:var(--color-text-default-hovered)}.cc-aside-item-component:not(.cc-aside-item-selected):hover .cc-aside-item-chevron{color:var(--color-icon-default-hovered)}.cc-aside-item-component.cc-aside-item-selected{background-color:var(--color-bg-subtler);color:var(--color-text-bolder)}.cc-aside-item-component:disabled{cursor:not-allowed;opacity:.5}.cc-aside-item-icon{color:var(--color-icon-default);flex-shrink:1}.cc-aside-item-icon.cc-aside-item-danger{color:var(--color-icon-danger)}.cc-aside-item-label{align-self:center;display:flex;flex-grow:1;text-align:left;word-break:break-word}.cc-aside-item-label.cc-aside-item-danger{color:var(--color-text-danger)}.cc-aside-item-one-line{display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cc-aside-item-selectedIcon{animation:cc-aside-item-selectedIcon .05s var(--motion-ease-out-gentle);color:var(--color-icon-success)}@keyframes cc-aside-item-selectedIcon{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.sidebar-dropdown-component{position:fixed;width:var(--container-xxxs);z-index:2100}@media not all and (max-width:47.999em) and (orientation:portrait){.sidebar-dropdown-hide-on-desktop{display:none}}.footer-toolbar-component{background:var(--color-bg-tertiary);padding-bottom:var(--space-12);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--space-12)}.footer-toolbar-inner{display:flex;justify-content:space-between;margin-left:-.6rem;margin-right:-1rem}.footer-toolbar-buttons{align-items:center;display:flex}.footer-toolbar-active{color:var(--iconColorHover)}@media not all and (max-width:47.999em) and (orientation:portrait){.footer-toolbar-mobile{display:none}}.sidebar-footer-component{display:flex;flex-direction:column;flex-shrink:0;margin-top:auto}.sidebar-footer-top{display:flex;flex-direction:column;gap:var(--courses-sidebar-padding);padding-bottom:var(--courses-sidebar-padding);padding-left:var(--courses-sidebar-padding);padding-right:var(--courses-sidebar-padding);padding-top:var(--courses-sidebar-footer-padding-top)}.sidebar-footer-progress{display:flex;flex-direction:column;gap:var(--space-8)}@media (max-width:47.999em) and (orientation:portrait){.sidebar-footer-desktop,.sidebar-header-desktop{display:none}}@media not all and (max-width:47.999em) and (orientation:portrait){.sidebar-header-mobile{display:none}}@media (max-width:47.999em) and (orientation:portrait){@media not all and (min-height:calc(156.25vw + 180px)) and (min-width:360px){.sidebar-header-mobile{display:none}}}.variation-moves-component{display:flex;flex-direction:column;gap:var(--space-8)}.variation-moves-title{color:var(--color-text-bolder)}.variation-moves-text{color:var(--color-text-subtle)}.variation-progress-component{display:flex;flex-direction:column;gap:var(--space-8)}.variation-progress-fade{opacity:.5}.variation-stats-component{display:flex;flex-direction:column;gap:var(--space-12)}.variation-stats-row{display:flex;gap:var(--space-8);justify-content:space-between}.variation-stats-value{color:var(--color-text-subtle)}.variation-details-modal-component{display:flex;flex-direction:column;gap:var(--space-16);padding:var(--space-16) var(--space-16) var(--space-24)}.variation-details-modal-divider{border:.1rem solid var(--color-border-default)}.sidebar-component{background:var(--color-bg-secondary);border-radius:var(--radius-l);color:var(--color-text-default);container-type:inline-size;display:flex;flex-direction:column;height:100%;min-height:20rem;overflow:hidden}@media (max-width:47.999em) and (orientation:portrait){.sidebar-component{border-radius:0}}.sidebar-loaderContainer{align-items:center;display:flex;flex-direction:column;flex-grow:1;justify-content:center}@media (max-width:47.999em) and (orientation:portrait){.sidebar-desktop{display:none}}@media (max-width:47.999em) and (orientation:portrait){@media not all and (min-height:calc(156.25vw + 180px)) and (min-width:360px){.sidebar-not-small-mobile{display:none}}}.cc-user-badge-component{--cc-badge-size:1.6rem;align-items:center;border-radius:var(--radius-m);display:inline-flex;flex-shrink:0;height:var(--cc-badge-size);justify-content:center;width:var(--cc-badge-size)}.cc-user-badge-component.cc-user-badge-medium{--cc-badge-size:2rem}.cc-user-badge-component.cc-user-badge-large{--cc-badge-size:2.4rem}.cc-user-badge-staff{background-color:var(--color-green-400);color:var(--color-green-200)}.dark-mode .cc-user-badge-staff{background-color:var(--color-green-600);color:var(--color-green-300)}.cc-user-badge-moderator{background-color:color-mix(in srgb,var(--color-slate-400) 20%,transparent);color:var(--color-slate-400)}.dark-mode .cc-user-badge-moderator{background-color:color-mix(in srgb,var(--color-slate-300) 20%,transparent);color:var(--color-slate-300)}.cc-user-badge-gold{background-color:var(--color-gray-100);color:var(--color-gold-400)}.dark-mode .cc-user-badge-gold{background-color:var(--color-gray-700)}.cc-user-badge-platinum{background-color:color-mix(in srgb,var(--color-slate-300) 20%,transparent);color:var(--color-slate-300)}.dark-mode .cc-user-badge-platinum{background-color:color-mix(in srgb,var(--color-slate-200) 20%,transparent);color:var(--color-slate-200)}.cc-user-badge-diamond{background-color:var(--color-blue-200);color:var(--color-blue-25)}.dark-mode .cc-user-badge-diamond{background-color:var(--color-blue-400);color:var(--color-blue-75)}.cc-user-rating-default{color:var(--color-text-subtle)}.cc-user-rating-boldest{color:var(--color-text-default)}.cc-user-rating-link{color:var(--color-text-subtle)}.cc-user-rating-white{color:var(--color-transparent-white-72)}.cc-user-title-component{background-color:var(--color-bg-chesstitle);border-radius:var(--radius-m);color:var(--color-neutrals-white);padding:var(--space-2) .3rem;text-transform:uppercase}div.cc-user-title-component{cursor:default}.cc-user-username-component{background-color:transparent;border:none;margin:0;max-width:30rem;overflow:hidden;padding:0;text-overflow:ellipsis;white-space:nowrap}.cc-user-username-component.cc-user-username-medium{font-family:var(--font-family-heading);font-size:1.7rem;font-weight:800;line-height:2rem}.cc-user-username-component.cc-user-username-large{font-family:var(--font-family-heading);font-size:2.2rem;font-weight:800;line-height:2.4rem}.cc-user-username-component[role=button]{cursor:pointer}.cc-user-username-default{color:var(--color-text-default)}a.cc-user-username-default:hover{color:var(--color-text-default-hovered)}.cc-user-username-boldest{color:var(--color-text-boldest)}.cc-user-username-link{color:var(--color-text-link)}a.cc-user-username-link:hover{color:var(--color-text-link-hovered)}.cc-user-username-white{color:var(--color-neutrals-white)}.player-component{align-items:flex-start;display:flex;gap:var(--space-8)}.move-streak-component{display:flex;flex-wrap:wrap;gap:var(--space-8);justify-content:center;margin:0 auto var(--space-16);max-width:calc(var(--icon-24)*10 + var(--space-8)*9)}@container (width < 40rem){.move-streak-component{max-width:calc(var(--icon-16)*10 + var(--space-8)*9)}.move-streak-icon{height:var(--icon-16)!important;width:var(--icon-16)!important}.move-streak-icon svg{height:var(--icon-24)!important;width:var(--icon-24)!important}}.move-streak-icon[data-status=success]{color:var(--color-icon-success)}.move-streak-icon[data-status=fail]{color:var(--color-icon-draw)}.next-review-status-component{align-items:center;display:flex;gap:var(--space-8);justify-content:center}.next-review-status-chip{--chip-color-fg:var(--color-text-bolder)}.stats-text-text{color:var(--color-text-default);text-align:center}.stats-text-highlight{color:var(--color-text-boldest)}.variation-end-screen-component{background:var(--color-bg-overlay);border-radius:max(0rem,var(--chessboard-border-radius) - .06rem);container-type:size;height:var(--boardHeight);width:var(--boardHeight)}.variation-end-screen-component,.variation-end-screen-content{align-items:center;display:flex;flex-direction:column;justify-content:center}.variation-end-screen-content{height:100%}.variation-end-screen-image{height:14rem;margin-bottom:var(--space-24);width:19rem}@container (40rem <= width < 50rem){.variation-end-screen-image{height:10rem;width:13.6rem}}@container (width < 40rem){.variation-end-screen-image{height:7rem;width:9.5rem}}.variation-end-screen-title{color:var(--color-text-boldest);margin-bottom:var(--space-8);text-align:center}@container (width < 40rem){.variation-end-screen-title{font-size:2.8rem}}.variation-end-screen-subtitle{color:var(--color-text-bolder);padding:0 var(--space-16);text-align:center}.variation-end-screen-next-review{height:1.6rem}.variation-end-screen-fade-enter-from,.variation-end-screen-fade-leave-to{opacity:0}.variation-end-screen-fade-enter-from .variation-end-screen-book{transform:translateY(1.5rem)}.variation-end-screen-instant-leave-active{transition:none}.variation-end-screen-fade-enter-active,.variation-end-screen-fade-leave-active{transition:opacity .15s ease-out}.variation-end-screen-fade-enter-active .variation-end-screen-book,.variation-end-screen-fade-leave-active .variation-end-screen-book{transition:transform .15s ease-out}.variation-end-screen-long-fade-enter-active{transition:opacity .3s ease-out}.variation-end-screen-animation-container{height:23.9rem;margin:0 auto;position:relative;width:29rem}.variation-end-screen-animation-container div{transform:none!important}@container (40rem <= width < 50rem){.variation-end-screen-animation-container{height:20rem;width:24rem}}@container (width < 40rem){.variation-end-screen-animation-container{height:12.5rem;width:15rem}}.settings-field-component{display:flex;flex-direction:column;gap:var(--space-12)}.settings-field-row{align-items:center;display:flex;position:relative}.settings-field-row .settings-field-label{color:var(--color-text-bolder);display:flex;font-weight:400;gap:.4rem;min-width:17.5rem}.settings-field-row .settings-field-label .settings-field-icon{color:var(--color-icon-default);font-size:2rem}.settings-field-description{color:var(--color-text-subtle)}.settings-group-component{display:flex;flex-direction:column;gap:var(--space-24)}.game-preview-hand-pieces{position:absolute;top:100%}.game-preview-pseudo-3d-container:after{background:var(--pseudo3dBackgroundProp);bottom:var(--pseudo3dRowOffset);content:"";height:12.5%;left:0;margin-top:-20%;padding-top:20%;position:absolute;width:100%}.game-preview-icon-wrapper{align-items:center;background-color:var(--color-transparent-white-85);border-radius:var(--radius-circular);display:flex;height:6.5rem;justify-content:center;left:50%;position:absolute;top:49.5%;transform:translate(-50%,-50%);width:6.5rem;z-index:15}.game-preview-icon{color:var(--color-gray-500)}.game-preview-chess960-title{color:var(--color-neutrals-white);font-size:15vw;font-weight:700;left:0;position:absolute;right:0;text-align:center;top:40%;width:100%;z-index:15}@media (min-width:30em){.game-preview-chess960-title{font-size:8rem}}@media (min-width:60em){.game-preview-chess960-title{font-size:10rem}}.settings-select{flex:1}.settings-subsetting{margin-left:1.5rem}.settings-switch{margin-left:auto}.settings-preview{aspect-ratio:16/5;display:flex;max-height:14.5rem;overflow:hidden;position:relative;width:100%}.outside-close-component{background-color:transparent;border:none;cursor:pointer;height:3rem;margin:0;opacity:.85;padding:0;position:absolute;right:var(--positionRight,1rem);top:var(--positionTop,1rem);width:3rem;z-index:10}.outside-close-component:hover{opacity:1;transition:opacity .3s}.outside-close-icon{color:var(--iconColor,var(--color-gray-500));font-size:2.8rem}@media (min-width:48em){.outside-close-component{--positionRight:-3.8rem;--positionTop:-.4rem}.outside-close-icon{--iconColor:var(--color-neutrals-white)}}.settings-modal-container-component{border-radius:var(--radius-xl);display:flex;flex-direction:column;height:80vh;max-height:70rem;overflow:visible;position:relative}.settings-modal-container-footer{background-color:var(--color-bg-tertiary);border-radius:0 0 var(--radius-xl) var(--radius-xl);display:grid;gap:1.6rem;grid-template-columns:1fr 1fr;padding:1.6rem}.settings-modal-content-content{flex:1 1 0%;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:1.5rem}