.ui-breadcrumbs{--ui-breadcrumbs-gap:var(--ui-space-xs);--ui-breadcrumbs-line-height:var(--ui-line-height-24);--ui-breadcrumbs-color-text:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-color-current:var(--ui-color-text-default);--ui-breadcrumbs-color-separator:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-color-link-hover:var(--ui-color-text-default);--ui-breadcrumbs-color-link-active:var(--ui-color-brand-fod-primary-a);--ui-breadcrumbs-color-disabled:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-bg-disabled:var(--ui-color-neutral-grey-100);flex-wrap:wrap;display:flex}.ui-breadcrumbs__list{align-items:center;gap:var(--ui-breadcrumbs-gap);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.ui-breadcrumbs__item{align-items:center;gap:var(--ui-breadcrumbs-gap);display:flex}.ui-breadcrumbs__content{align-items:center;gap:var(--ui-breadcrumbs-gap);display:inline-flex}.ui-breadcrumbs__icon{align-items:center;line-height:0;display:inline-flex}.ui-breadcrumbs__text,.ui-breadcrumbs__link{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-bold);line-height:var(--ui-breadcrumbs-line-height);color:var(--ui-breadcrumbs-color-text);align-items:center;display:inline-flex}.ui-breadcrumbs__text[aria-current=page]{color:var(--ui-breadcrumbs-color-current)}.ui-breadcrumbs__text[aria-disabled=true]{color:var(--ui-breadcrumbs-color-disabled);background-color:var(--ui-breadcrumbs-bg-disabled);cursor:not-allowed}.ui-breadcrumbs__link{cursor:pointer;text-decoration:none;transition:color .2s,-webkit-text-decoration .2s,-webkit-text-decoration .2s,text-decoration .2s}@media (prefers-reduced-motion:reduce){.ui-breadcrumbs__link{transition:none}}@media (hover:hover){.ui-breadcrumbs__link:hover{color:var(--ui-breadcrumbs-color-link-hover);text-decoration:underline}}.ui-breadcrumbs__link:active{color:var(--ui-breadcrumbs-color-link-active);text-decoration:underline}.ui-breadcrumbs__link:focus-visible{outline:var(--ui-stroke-2)solid var(--ui-color-stroke-focus-default);outline-offset:2px;border-radius:var(--ui-radius-md-lg)}.ui-breadcrumbs__separator{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-semibold);color:var(--ui-breadcrumbs-color-separator)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}60%{opacity:1;transform:translate(0)}80%{opacity:1;transform:translate(-15%)}to{opacity:1;transform:translate(0)}}.chatbot-button{cursor:pointer;z-index:100;transition:opacity .5s linear;animation:.6s ease-out forwards slideIn;display:flex;position:fixed;bottom:7em;right:2em}.chatbot-button__image{background-image:var(--tangerine-ai-bot);background-position:50%;background-repeat:no-repeat;background-size:cover;width:100px;height:100px}.chatbot-button:focus{outline:none}.chat-header-container{background-color:#fff}.chat-header{--chat-header-height:64px;--chat-header-padding:var(--ui-space-xs);--chat-header-divider-height:30px;height:var(--chat-header-height);padding:0 var(--chat-header-padding);border-bottom:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-200);background-color:#fff;justify-content:space-between;align-items:center;display:flex;position:relative}.chat-header__left,.chat-header__right{align-items:center;gap:var(--ui-space-xs);flex:none;display:flex}.chat-header__left{justify-content:flex-start}.chat-header__center{flex:auto;justify-content:center;align-items:center;display:flex}.chat-header__right{justify-content:flex-end}.chat-header__close-button.chat-button--icon-only.chat-button--small{padding:var(--ui-space-xxxs)var(--ui-space-xs)}.chat-header__divider{width:var(--ui-stroke-1);height:var(--chat-header-divider-height);background-color:var(--ui-color-neutral-grey-200)}.challenge-type-tag{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xxxs)var(--ui-space-xs);border-radius:var(--ui-radius-xxl);font-size:var(--ui-font-size-14);font-weight:var(--ui-font-weight-bold);font-family:var(--ui-font-family-body);line-height:var(--ui-line-height-20);text-overflow:ellipsis;white-space:nowrap;display:inline-flex;overflow:hidden}.challenge-type-tag:before{content:"";width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);font-size:var(--ui-font-size-20);flex-shrink:0;line-height:1}.challenge-type-tag.done{background:var(--ui-color-neutral-grey-100);color:var(--ui-color-neutral-grey-600)}.challenge-type-tag.done:before{filter:grayscale()}.challenge-type-tag--new{background:var(--ui-color-green-200);color:var(--ui-color-green-800)}.challenge-type-tag--new:before{content:"🌱"}.challenge-type-tag--review{background:var(--ui-color-blue-200);color:var(--ui-color-blue-800)}.challenge-type-tag--review:before{content:"🧠"}.challenge-type-tag--improvement{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.challenge-type-tag--improvement:before{content:"🎯"}.challenge-type-tag--combo{background:var(--ui-color-yellow-200);color:var(--ui-color-yellow-800)}.challenge-type-tag--combo:before{content:"⚡"}.analytics-filter-bar{align-items:center;gap:16px;display:flex}.analytics-filter-bar__filter{min-width:200px}.teacher-layout-wrapper{--teacher-layout-top-inset:2.25rem;height:100vh;display:flex;overflow:hidden}.teacher-layout-wrapper__sidebar{background:var(--color-background);flex-direction:column;flex-shrink:0;width:13rem;height:100vh;transition:width .3s;display:flex;overflow-x:hidden;overflow-y:auto}.teacher-layout-wrapper__sidebar-header{padding:var(--teacher-layout-top-inset)var(--ui-space-md)0;justify-content:space-between;align-items:center;display:flex}.teacher-layout-wrapper__collapse-btn{padding:var(--ui-space-xs);cursor:pointer;border-radius:var(--ui-radius-xl);background:0 0;border:none;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.teacher-layout-wrapper__collapse-btn:hover{background-color:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__collapse-btn .icon{color:var(--ui-color-neutral-grey-700)}.teacher-layout-wrapper__title-container{visibility:visible;transition:opacity .3s;overflow:hidden}.teacher-layout-wrapper__title{padding:var(--ui-space-lg)var(--ui-space-md)0;font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-22);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-28);color:var(--ui-color-neutral-grey-700);white-space:nowrap;margin:0}.teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);flex:1;transition:padding .3s}.teacher-layout-wrapper__nav-list{gap:var(--ui-space-xs);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);border-radius:var(--ui-radius-xl)0 0 var(--ui-radius-xl);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;width:100%;transition:background-color .2s,color .2s;display:flex;overflow:hidden}.teacher-layout-wrapper__nav-item .icon{width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);color:var(--ui-color-neutral-grey-700);flex-shrink:0;transition:color .2s}.teacher-layout-wrapper__nav-item:hover{background:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__nav-item--active{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-item--active .icon,.teacher-layout-wrapper__nav-item--active .teacher-layout-wrapper__nav-text{color:var(--ui-color-brand-fod-primary-a)}.teacher-layout-wrapper__nav-item--active:hover{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-skeleton-item{align-items:center;gap:12px;padding:8px 15px;display:flex}.teacher-layout-wrapper__nav-skeleton-text{flex:1}.teacher-layout-wrapper__nav-text{margin-left:var(--ui-space-xs);font-family:var(--ui-font-family-heading);font-weight:var(--ui-font-weight-semibold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-26);color:var(--ui-color-neutral-grey-700);white-space:nowrap;opacity:1;width:auto;transition:opacity .2s,width .3s}.teacher-layout-wrapper__sidebar-footer{--teacher-layout-footer-gap:var(--ui-space-md);--teacher-layout-footer-padding-block:var(--ui-space-md);--teacher-layout-footer-padding-inline:var(--ui-space-md);gap:var(--teacher-layout-footer-gap);padding:var(--teacher-layout-footer-padding-block)var(--teacher-layout-footer-padding-inline);flex-direction:column;margin-top:auto;display:flex}.teacher-layout-wrapper__dev-toggle .switch__texts{margin-left:0}.teacher-layout-wrapper__dev-toggle .switch__texts .switch__label{font-size:var(--ui-font-size-14)}.teacher-layout-wrapper__dev-toggle-hint{color:var(--ui-color-neutral-grey-500);margin-top:4px;font-size:11px;line-height:1.3}.teacher-layout-wrapper__main{background:var(--ui-color-neutral-white);flex:1;min-width:0;overflow:auto}.teacher-layout-wrapper__main--fill{flex-direction:column;display:flex}.teacher-layout-wrapper__toolbar{--teacher-layout-gutter-start:var(--ui-space-xl);--teacher-layout-gutter-end:var(--ui-space-xl)}.teacher-layout-wrapper__toolbar--gutter-compact{--teacher-layout-gutter-start:var(--ui-space-md);--teacher-layout-gutter-end:var(--ui-space-md)}.teacher-layout-wrapper__toolbar--gutter-compact-start{--teacher-layout-gutter-start:var(--ui-space-md);--teacher-layout-gutter-end:0}.teacher-layout-wrapper__toolbar--gutter-none{--teacher-layout-gutter-start:0;--teacher-layout-gutter-end:0}.teacher-layout-wrapper__toolbar{--teacher-layout-toolbar-min-height:var(--ui-space-4xl);--teacher-layout-toolbar-stroke:var(--ui-color-neutral-warm-200);justify-content:space-between;align-items:center;gap:var(--ui-space-md);box-sizing:border-box;min-height:var(--teacher-layout-toolbar-min-height);padding:var(--ui-space-xxs)var(--teacher-layout-gutter-end)var(--ui-space-xxs)var(--teacher-layout-gutter-start);border-top:var(--ui-stroke-1)solid var(--teacher-layout-toolbar-stroke);border-bottom:var(--ui-stroke-1)solid var(--teacher-layout-toolbar-stroke);display:flex}.teacher-layout-wrapper__content{--teacher-layout-gutter-start:var(--ui-space-xl);--teacher-layout-gutter-end:var(--ui-space-xl)}.teacher-layout-wrapper__content--gutter-compact{--teacher-layout-gutter-start:var(--ui-space-md);--teacher-layout-gutter-end:var(--ui-space-md)}.teacher-layout-wrapper__content--gutter-compact-start{--teacher-layout-gutter-start:var(--ui-space-md);--teacher-layout-gutter-end:0}.teacher-layout-wrapper__content--gutter-none{--teacher-layout-gutter-start:0;--teacher-layout-gutter-end:0}.teacher-layout-wrapper__content{--teacher-layout-content-gap:var(--ui-space-md);padding:var(--teacher-layout-content-gap)var(--teacher-layout-gutter-end)var(--ui-space-xl)var(--teacher-layout-gutter-start)}.teacher-layout-wrapper__content--gap-none{--teacher-layout-content-gap:0}.teacher-layout-wrapper__content--gap-xxs{--teacher-layout-content-gap:var(--ui-space-xxs)}.teacher-layout-wrapper__content--gap-xs{--teacher-layout-content-gap:var(--ui-space-xs)}.teacher-layout-wrapper__content--gap-sm{--teacher-layout-content-gap:var(--ui-space-sm)}.teacher-layout-wrapper__content--gap-md{--teacher-layout-content-gap:var(--ui-space-md)}.teacher-layout-wrapper__content--fill{flex-direction:column;flex:1;min-height:0;padding-bottom:0;display:flex}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar{width:5rem}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header{justify-content:center;padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:none}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__title-container{opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s linear .3s}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);align-items:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);justify-content:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-footer{--teacher-layout-footer-padding-inline:var(--ui-space-xs);align-items:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-text{opacity:0;width:0;margin-left:0;transition:opacity .2s ease-out,width .3s,margin-left .3s}.teacher-layout-wrapper--show-back-collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:flex}.teacher-layout-wrapper__mobile-menu-button,.teacher-layout-wrapper__mobile-menu-backdrop{display:none}.tutor-usage-stat-card{gap:var(--ui-space-xs);padding:var(--ui-space-xs)var(--ui-space-md);border:var(--ui-stroke-1)solid var(--ui-color-stroke-primary);border-radius:var(--ui-radius-xl);background-color:var(--ui-color-bg-container-primary);flex-direction:column;display:flex}.tutor-usage-stat-card__header{justify-content:space-between;align-items:center;display:flex}.tutor-usage-stat-card__icon{width:var(--ui-size-5xl);height:var(--ui-size-5xl);border-radius:var(--ui-radius-xl);justify-content:center;align-items:center;display:flex}.tutor-usage-stat-card__icon--purple{background-color:var(--ui-color-purple-100)}.tutor-usage-stat-card__icon--purple .icon--color-default{color:var(--ui-color-purple-500)}.tutor-usage-stat-card__icon--blue{background-color:var(--ui-color-blue-100)}.tutor-usage-stat-card__icon--blue .icon--color-default{color:var(--ui-color-blue-500)}.tutor-usage-stat-card__icon--orange{background-color:var(--ui-color-orange-100)}.tutor-usage-stat-card__icon--orange .icon--color-default{color:var(--ui-color-orange-500)}.tutor-usage-stat-card__icon--green{background-color:var(--ui-color-green-100)}.tutor-usage-stat-card__icon--green .icon--color-default{color:var(--ui-color-green-500)}.tutor-usage-stat-card__info-icon{cursor:help;opacity:.5;align-items:center;display:flex}.tutor-usage-stat-card__info-icon:hover{opacity:.8}.tutor-usage-stat-card__label{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-20);color:var(--ui-color-text-secondary);margin:0;margin-top:var(--ui-space-xs)}.tutor-usage-stat-card__value{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-bold);line-height:var(--ui-line-height-26);color:var(--ui-color-text-default);margin:0}.tutor-usage-stat-card__subtitle{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-20);color:var(--ui-color-text-tertiary);margin:0}.tutor-usage-stat-card__trend{align-items:center;gap:var(--ui-space-xxs);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-18);margin:0;margin-top:var(--ui-space-xs);display:flex}.tutor-usage-stat-card__trend .icon__wrapper{margin-right:var(--ui-space-xs)}.tutor-usage-stat-card__trend .icon__wrapper svg{width:var(--ui-size-xxl);height:var(--ui-size-xxl)}.tutor-usage-stat-card__trend--positive,.tutor-usage-stat-card__trend--positive .icon--color-success,.tutor-usage-stat-card__trend--positive .tutor-usage-stat-card__trend-text{color:var(--ui-color-green-600)}.tutor-usage-stat-card__trend--negative,.tutor-usage-stat-card__trend--negative .icon--color-red,.tutor-usage-stat-card__trend--negative .tutor-usage-stat-card__trend-text{color:var(--ui-color-red-600)}.tutor-usage-stat-card__trend--neutral,.tutor-usage-stat-card__trend--neutral .tutor-usage-stat-card__trend-text{color:var(--ui-color-text-tertiary)}.tutor-usage-stat-card__trend-text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-semibold);color:var(--ui-color-text-tertiary);margin-left:var(--ui-space-xxs)}.tutor-usage-stat-card__trend-text--na{margin-left:0}.severity-indicator{align-items:flex-end;gap:2px;height:12px;display:flex}.severity-indicator__bar{border-radius:var(--border-radius-01);width:4px}.severity-indicator--high .severity-indicator__bar{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar{background-color:#ffe08c}.severity-indicator--low .severity-indicator__bar{background-color:#97e0c3}.severity-indicator__bar:first-child{height:4px}.severity-indicator__bar:nth-child(2){height:8px}.severity-indicator__bar:nth-child(3){height:12px}.severity-indicator--high .severity-indicator__bar--active{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar--active{background-color:#d18436}.severity-indicator--low .severity-indicator__bar--active{background-color:#135f3e}.learning-block-content{flex-direction:column;gap:16px;padding:16px;display:flex}.learning-block-content__header{flex-direction:column;display:flex}.learning-block-content__label-row{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.learning-block-content__label-group{align-items:center;gap:4px;display:flex}.learning-block-content__kc-info{flex-direction:column;gap:2px;display:flex}.learning-block-content__kc-statement{font-family:var(--font-second);color:#333;margin:0;font-size:18px;font-weight:500;line-height:26px}.learning-block-content__locations{flex-direction:column;gap:2px;margin:0;padding-left:16px;list-style:disc;display:flex}.learning-block-content__location{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;line-height:20px}.learning-block-content__stats{flex-direction:column;gap:8px;display:flex}.radar-filters{--radar-filters-control-width:12.5rem;align-items:center;gap:var(--ui-space-md);display:flex}.radar-filters .select-customizable{min-width:var(--radar-filters-control-width);width:var(--radar-filters-control-width)}