@layer widget{@keyframes VideoPlayerModal_spin__xTiAr{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.VideoPlayerModal_component__yvSKW{--modal-z-index-content:40;--modal-z-index-overlay:20;position:absolute;width:100%;height:100%;text-align:center}[dir=rtl] .VideoPlayerModal_component__yvSKW{direction:rtl}.VideoPlayerModal_overlay__xmYN9{position:absolute;z-index:var(--modal-z-index-overlay);width:100%;height:100%;background:var(--utility-opacity-darken-06);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.VideoPlayerModal_content___JSdS{position:absolute;top:calc((100% - 40px - 20px)/2);left:50%;z-index:var(--modal-z-index-content);box-sizing:border-box;width:100%;max-width:100%;border-radius:var(--radius-4x);transform:translate(-50%,-50%)}.VideoPlayerModal_closeButton__wSi_E{position:absolute;top:16px;inset-inline-end:16px;z-index:var(--modal-z-index-content)}}@keyframes LessonPracticeVideoModal_spin__ZzTaw{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.LessonPracticeVideoModal_title__c0BEm{display:block;margin-block-end:var(--spacing-7x)}.LessonPracticeVideoModal_container__o2351{display:flex;flex-direction:row;align-items:center;justify-content:center}.LessonPracticeVideoModal_link__hJRGv{position:relative;flex-shrink:0;width:440px;max-width:100%}@layer ui{@keyframes StackAvatar_spin__a8hDE{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.StackAvatar_avatar__lYLJQ{--uula-avatar-border-color:var(--color-border-basic-ghost-high);--uula-avatar-border-size:2px;position:relative;box-sizing:border-box;width:48px;height:48px;overflow:hidden;background-color:var(--color-background-special-04);border-radius:var(--radius-full);margin-inline-start:calc(var(--spacing-2x)*-1)}.StackAvatar_avatar__lYLJQ.StackAvatar_inset__cn1tx{border:var(--uula-avatar-border-size) solid var(--uula-avatar-border-color)}.StackAvatar_avatar__lYLJQ.StackAvatar_outline__dKOJ1{box-shadow:0 0 0 var(--uula-avatar-border-size) var(--uula-avatar-border-color)}.StackAvatar_avatar__lYLJQ:first-child{z-index:5;margin-inline-start:0}.StackAvatar_avatar__lYLJQ:nth-child(2){z-index:4}.StackAvatar_avatar__lYLJQ:nth-child(3){z-index:3}.StackAvatar_avatar__lYLJQ:nth-child(4){z-index:2}.StackAvatar_image__rTZCB{position:absolute;top:0;right:0;bottom:0;left:0}}@layer ui{@keyframes VideoActionCard_spin__3WBoD{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.VideoActionCard_card__HHPgg{--uula-action-card-highlight-color:var(--color-background-elevation-3);--uula-action-card-background-color:var(--color-background-elevation-3);position:relative;display:grid;grid-column-gap:var(--spacing-2x);grid-template-areas:"icon caption" "icon progress";grid-template-rows:auto;grid-template-columns:min-content 1fr;align-items:center;box-sizing:border-box;min-height:var(--spacing-16x);padding:var(--spacing-2x) var(--spacing-3x);overflow:hidden;background:var(--uula-action-card-background-color);background:radial-gradient(100% 125% at -20% 100%,var(--uula-action-card-highlight-color) 0,var(--uula-action-card-background-color) 100%);border-radius:var(--radius-3x)}.VideoActionCard_card__HHPgg:not(.VideoActionCard_disabled__o_6xU):hover{--uula-action-card-background-color:var(--color-background-elevation-4)}.VideoActionCard_card__HHPgg:not(.VideoActionCard_disabled__o_6xU):active{--uula-action-card-background-color:var(--color-background-elevation-2)}@media(min-width:768px){.VideoActionCard_card__HHPgg{padding:var(--spacing-4x);border-radius:var(--radius-5x)}.VideoActionCard_card__HHPgg:not(.VideoActionCard_disabled__o_6xU):focus-visible:before{border-radius:var(--radius-5x)}}}@layer widget{@keyframes NameWithCounter_spin__3kHsz{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.NameWithCounter_container__5JBpb{display:flex;flex-direction:row;gap:var(--spacing-2x);align-items:center;width:100%;overflow:hidden}.NameWithCounter_name__SwAdo{color:var(--color-text-basic-main);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.NameWithCounter_name__SwAdo.NameWithCounter_noCounter__vK5vH{color:var(--color-text-basic-secondary)}@media(min-width:768px){.NameWithCounter_name__SwAdo.NameWithCounter_noCounter__vK5vH{color:var(--color-text-basic-main)}}}@layer widget{@keyframes VideoAskTeacher_spin__vQfQY{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.VideoAskTeacher_container__4XSTf{display:grid;grid-column-gap:var(--spacing-2x);grid-template-areas:"avatar name action";grid-template-rows:min-content;grid-template-columns:min-content 1fr min-content;align-content:center;box-sizing:border-box;width:100%;overflow:hidden}.VideoAskTeacher_container__4XSTf:disabled 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ds.component{._container_s0pgt_13{display:block;font-size:0;line-height:0;width:100%}._lineWrapper_s0pgt_20{display:inline-flex;flex-direction:column;font-size:0;justify-content:center;line-height:0;width:100%}._lineWrapper_s0pgt_20 ._line_s0pgt_20{box-sizing:border-box;display:inline-block;width:100%}._link-body-calm_s0pgt_34{height:32px}._link-body-calm_s0pgt_34 [data-skeletonline]{height:20px}._link-caption-calm_s0pgt_41{height:28px}._link-caption-calm_s0pgt_41 [data-skeletonline]{height:16px}._link-caption_s0pgt_41{height:28px}._link-caption_s0pgt_41 [data-skeletonline]{height:16px}._link-caption-small_s0pgt_55{height:24px}._link-caption-small_s0pgt_55 [data-skeletonline]{height:16px}._link-caption-small-calm_s0pgt_62{height:24px}._link-caption-small-calm_s0pgt_62 [data-skeletonline]{height:16px}._link-body_s0pgt_34{height:32px}._caption-numeric_s0pgt_76,._link-body_s0pgt_34 [data-skeletonline]{height:20px}._caption-numeric_s0pgt_76 [data-skeletonline]{height:12px}._caption-medium_s0pgt_83{height:28px}._caption-medium_s0pgt_83 [data-skeletonline]{height:16px}._caption-small_s0pgt_90{height:24px}._caption-small_s0pgt_90 [data-skeletonline]{height:16px}._caption-extra-small_s0pgt_97{height:20px}._caption-extra-small_s0pgt_97 [data-skeletonline]{height:12px}._heading-extra-large_s0pgt_104{height:96px}._heading-extra-large_s0pgt_104 [data-skeletonline]{height:64px}._heading-large_s0pgt_111{height:84px}._heading-large_s0pgt_111 [data-skeletonline]{height:56px}._heading-medium_s0pgt_118{height:64px}._heading-medium_s0pgt_118 [data-skeletonline],._heading-regular_s0pgt_125{height:44px}._heading-regular_s0pgt_125 [data-skeletonline]{height:28px}._heading-small_s0pgt_132{height:36px}._heading-small_s0pgt_132 [data-skeletonline]{height:24px}._subheading-small_s0pgt_139{height:32px}._subheading-small_s0pgt_139 [data-skeletonline]{height:20px}._subheading-regular_s0pgt_146{height:36px}._subheading-regular_s0pgt_146 [data-skeletonline]{height:24px}._subheading-medium_s0pgt_153{height:44px}._subheading-medium_s0pgt_153 [data-skeletonline]{height:28px}._subheading-large_s0pgt_160{height:56px}._subheading-large_s0pgt_160 [data-skeletonline]{height:36px}._body-regular_s0pgt_167{height:32px}._body-regular_s0pgt_167 [data-skeletonline]{height:20px}._focus-small_s0pgt_174{height:24px}._focus-small_s0pgt_174 [data-skeletonline]{height:16px}._focus-large_s0pgt_181{height:32px}._focus-large_s0pgt_181 [data-skeletonline]{height:20px}._focus-medium_s0pgt_188{height:28px}._focus-medium_s0pgt_188 [data-skeletonline]{height:16px}}@layer widget{@keyframes 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[data-skeletonline]{height:16px}@media(min-width:768px){.PracticeCard_captionSkeleton__RYEwu{height:28px}.PracticeCard_captionSkeleton__RYEwu [data-skeletonline]{height:16px}}.PracticeCard_barSkeleton__T2OkZ{max-width:110px;height:8px;border-radius:var(--radius-2x)}}@layer widget{@keyframes 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._text_ggrbq_24{height:5px;width:30px}._logo_ggrbq_13._disabled_ggrbq_68{cursor:default;pointer-events:none}._container_3i5hp_13{--uula-header-background-main-color:var(--utility-blur-5);--uula-header-background-high-color:var(--utility-blur-10);border:0;box-sizing:border-box;font:inherit;font-size:100%;margin:0;padding:0;text-rendering:optimizeLegibility;vertical-align:initial;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;left:0;position:fixed;right:0;top:0;z-index:60}._container_3i5hp_13 ._header_3i5hp_33{align-content:center;height:var(--uula-header-height);margin:0 auto;width:100%}._blurMain_3i5hp_40{background:var(--uula-header-background-main-color)}._blurHigh_3i5hp_44{background:var(--uula-header-background-high-color)}._blurHigh_3i5hp_44,._blurMain_3i5hp_40{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px)}._content_1j1e5_1{justify-content:center}._content_1j1e5_1>._panel_1j1e5_4{flex:1}._content_1j1e5_1>._panel_1j1e5_4:first-child{justify-content:flex-start}._content_1j1e5_1>._panel_1j1e5_4:last-child{justify-content:flex-end}._container_7l41m_13{height:40px;justify-content:space-between;width:100%}._container_7l41m_13,._panel_11pyu_13{align-items:center;display:flex;flex-direction:row}._panel_11pyu_13{flex-shrink:0;justify-content:center;margin-inline-end:0;min-width:0}}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{@media (min-width:768px){._panel_11pyu_13{gap:var(--spacing-6x)}._panel_11pyu_13._x4_11pyu_28{gap:var(--spacing-4x)}}}@layer ds.component{._container_1tszf_13{box-sizing:border-box;--uula-header-avatar-border-color:var(--color-border-basic-active);align-items:center;background:none;border:1px solid var(--uula-header-avatar-border-color);border-radius:60px;display:flex;flex-direction:row;height:40px;justify-content:center;max-width:180px;padding-inline-end:var(--spacing-2x);padding-inline-start:var(--spacing-4x);transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out}._container_1tszf_13 ._name_1tszf_29{display:inline-block;margin-inline-end:var(--spacing-3x);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._container_1tszf_13 ._avatar_1tszf_36{flex-shrink:0}._container_1tszf_13._compact_1tszf_39{height:32px;padding:0;width:32px}._container_1tszf_13._compact_1tszf_39 ._name_1tszf_29{display:none}._link_sss8y_13{--uula-header-link-text-color:var(--color-text-basic-main);--uula-header-link-underline-color:var(--color-background-brand-primary);align-items:center;color:var(--uula-header-link-text-color);display:inline-flex;flex-direction:row}._link_sss8y_13 ._text_sss8y_21{display:inline-block;font:var(--typography-focus-medium);position:relative}._link_sss8y_13 ._text_sss8y_21:after{background:var(--uula-header-link-underline-color);border-bottom-left-radius:5px;border-bottom-right-radius:5px;content:"";height:2px;left:0;opacity:0;position:absolute;right:0;top:100%;transform:scaleX(0);transition:all .2s ease-out}._link_sss8y_13 ._accessory_sss8y_40{font-size:0;margin-inline-end:var(--spacing-2x)}._link_sss8y_13:hover ._text_sss8y_21:after{opacity:1;transform:scaleX(1)}._button_gwx7u_13{--uula-header-button-text-color:var(--color-text-basic-main);--uula-header-button-underline-color:var(--color-background-brand-primary);border:0;box-sizing:border-box;font:inherit;font-size:100%;margin:0;padding:0;text-rendering:optimizeLegibility;vertical-align:initial;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;align-items:center;background-color:initial;color:var(--uula-header-button-text-color);cursor:pointer;display:inline-flex;flex-direction:row}._button_gwx7u_13 ._text_gwx7u_34{display:inline-block;font:var(--typography-focus-medium);position:relative}._button_gwx7u_13 ._text_gwx7u_34:after{background:var(--uula-header-button-underline-color);border-bottom-left-radius:5px;border-bottom-right-radius:5px;content:"";height:2px;left:0;opacity:0;position:absolute;right:0;top:100%;transform:scaleX(0);transition:all .2s ease-out}._button_gwx7u_13 ._accessory_gwx7u_53{font-size:0;margin-inline-end:var(--spacing-2x)}._button_gwx7u_13:hover ._text_gwx7u_34:after{opacity:1;transform:scaleX(1)}._panel_18tsq_13{display:flex;flex-direction:row;padding-inline-end:var(--spacing-2x)}._panel_18tsq_13>*{margin-inline-end:var(--spacing-6x)!important}._panel_18tsq_13>:last-child{margin-inline-end:0!important}._overlay_1namk_13{z-index:2147483021}._drawer_1as41_13{--uula-drawer-background-color:var(--color-background-elevation-2);border:0;box-sizing:border-box;font:inherit;font-size:100%;margin:0;padding:0;text-rendering:optimizeLegibility;vertical-align:initial;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;background:var(--uula-drawer-background-color);bottom:0;display:flex;flex-direction:column;font:var(--typography-body-regular);inset-inline-end:0;overflow-x:hidden;overflow-y:auto;position:fixed;top:0;z-index:2147483022}._inverted_uqaj3_17,[dir=rtl] ._circle_uqaj3_13._autoDirection_uqaj3_13{transform:scaleX(-1)}._inverted_uqaj3_17{transform-origin:center center}._mark_aychg_13{border:0;box-sizing:border-box;font:inherit;font-size:100%;margin:0;padding:0;text-rendering:optimizeLegibility;vertical-align:initial;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;display:flex}._low_aychg_28{color:var(--color-vector-accent-negative)}._middle_aychg_32{color:var(--color-vector-accent-caution-high)}._high_aychg_36{color:var(--color-vector-accent-positive)}._bannerLink_1dbtc_13{--uula-banner-link-background:var(--color-background-elevation-4);--uula-banner-link-padding:var(--spacing-2x);--uula-banner-link-border-width:1px;--uula-banner-link-gradient-width:272px;--uula-banner-link-gradient-height:272px;--uula-banner-link-gradient-end:32px;--uula-banner-link-gradient-radius:64px;--uula-banner-link-highlight-color:var(--palette-blue-175)}}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{}@layer ds.component{@media (min-width:1024px){._bannerLink_1dbtc_13{--uula-banner-link-gradient-width:400px;--uula-banner-link-gradient-height:400px;--uula-banner-link-gradient-end:150px;--uula-banner-link-padding:var(--spacing-4x)}}._large_1dbtc_32{--uula-banner-link-gradient-width:400px;--uula-banner-link-gradient-height:400px;--uula-banner-link-gradient-end:150px;--uula-banner-link-padding:var(--spacing-4x)}._bannerLink_1dbtc_13{align-items:center;background-color:var(--uula-banner-link-background);border:var(--uula-banner-link-border-width) solid transparent;border-radius:var(--radius-2x);box-sizing:border-box;display:flex;gap:var(--spacing-1x);-webkit-mask-image:-webkit-radial-gradient(white,black);overflow:hidden;padding:calc(var(--uula-banner-link-padding) - var(--uula-banner-link-border-width));position:relative;width:100%}._bannerLink_1dbtc_13:focus{outline:0}._bannerLink_1dbtc_13:focus-visible{border-color:var(--uula-color-focus-border,var(--color-border-basic-active));outline:var(--uula-color-focus-outline,var(--color-border-basic-focused)) solid 5px}._bannerLink_1dbtc_13:after{background-color:var(--uula-banner-link-highlight-color);border-radius:50%;content:"";filter:blur(var(--uula-banner-link-gradient-radius));height:var(--uula-banner-link-gradient-height);inset-block-start:50%;inset-inline-end:var(--uula-banner-link-gradient-end);position:absolute;transform:translate(50%,-50%);width:var(--uula-banner-link-gradient-width);z-index:0}[dir=rtl] ._bannerLink_1dbtc_13:after{transform:translate(-50%,-50%)}._bannerLink_1dbtc_13:hover{transform:scale(1.01);transform-origin:center 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ds.component{._floatingPanel_1xd1y_13{--uula-floating-background-color:var(--color-background-elevation-4);border:0;box-sizing:border-box;font:inherit;font-size:100%;margin:0;padding:0;text-rendering:optimizeLegibility;vertical-align:initial;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;background-color:var(--uula-floating-background-color);height:auto;position:fixed;width:100%}._floatingPanel_1xd1y_13._highlight_1xd1y_31{overflow:hidden}._floatingPanel_1xd1y_13._highlight_1xd1y_31:before{background-color:var(--uula-floating-highlight-color,rgba(0,0,0,0));border-radius:50%;content:"";filter:blur(64px);height:166px;inset-block-start:-70px;inset-inline-end:0;pointer-events:none;position:absolute;transform:translateZ(0);width:166px}._floatingPanel_1xd1y_13._bottom_1xd1y_47{border-top-left-radius:var(--radius-3x);border-top-right-radius:var(--radius-3x);inset-block-end:0;inset-block-start:auto;inset-inline-end:auto;inset-inline-start:auto}._floatingPanel_1xd1y_13._top_1xd1y_55{border-bottom-left-radius:var(--radius-3x);border-bottom-right-radius:var(--radius-3x);inset-block-end:auto;inset-block-start:0;inset-inline-end:auto;inset-inline-start:auto}._content_1xd1y_64{position:relative;width:100%;z-index:1}}@layer widget{@keyframes AskQuestionButton_spin__QsHt5{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.AskQuestionButton_container__fT9q_{position:absolute;right:var(--spacing-5x);bottom:calc(var(--spacing-5x) + 40px + 24px);z-index:40;display:flex;cursor:pointer;opacity:0;transition:opacity 1s ease;pointer-events:none}.AskQuestionButton_container__fT9q_ .AskQuestionButton_button__m3s3Y{display:inline-flex;align-items:center;justify-content:center;width:auto;min-width:40px;height:40px;padding:0;background:var(--color-background-elevation-4);border-radius:var(--radius-6x);transition:padding-inline .3s ease;padding-inline:var(--spacing-2x)}.AskQuestionButton_container__fT9q_ .AskQuestionButton_button__m3s3Y .AskQuestionButton_text__DbDaw{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:0;transition:max-width 1s ease}.AskQuestionButton_container__fT9q_ .AskQuestionButton_button__m3s3Y .AskQuestionButton_icon__fA2s_{margin-inline-end:0;transition:margin-inline-end .3s 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5px}.Answer_checked__QVw1B:hover{border-color:var(--color-border-basic-active-high)}.Answer_accentPositive__KeCLX,.Answer_accentPositive__KeCLX:hover{border-color:var(--color-border-accent-positive)}.Answer_accentCaution__CvWn_,.Answer_accentCaution__CvWn_:hover{border-color:var(--color-border-accent-caution)}.Answer_check__J2qjc{display:inline-flex;flex-shrink:0;align-self:flex-start}}@keyframes ConfettiAnimation_spin__hBpOH{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.ConfettiAnimation_confettiAnimation__OCvQR{position:fixed;top:50%;left:50%;z-index:2147483081;width:544px;height:544px;transform:translate(-50%,-70%);pointer-events:none}@keyframes ModalActionButton_spin__BjEVJ{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.ModalActionButton_button__YsGoW{min-width:auto}@keyframes 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BannerButton_spin__Y5y7N{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.BannerButton_component__TY7B3{--uula-banner-button-text-color-active:var(--color-text-basic-tertiary);--uula-banner-button-background:var(--color-background-elevation-4);--uula-banner-button-border:transparent;--uula-banner-button-border-hover:var(--color-border-basic-active-high);--uula-banner-button-border-radius:var(--radius-2x);--uula-banner-button-border-width:1px;--uula-banner-button-max-width:160px;--uula-banner-button-gap:var(--spacing-2x);--uula-banner-button-text-gap:0;--uula-banner-glow-size:120px;--uula-banner-glow-x:-25%;--uula-banner-glow-y:-40%;--uula-banner-glow-radius:50px;margin:0;padding:0;font:inherit;font-size:100%;vertical-align:initial;border:0;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:rgba(0,0,0,0);-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;position:relative;display:flex;gap:var(--uula-banner-button-gap);align-items:center;box-sizing:border-box;width:100%;max-width:var(--uula-banner-button-max-width);padding:var(--spacing-2x) 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