.tutor-toast{--tutor-toast-bar-height:.375rem;--tutor-toast-tail-size:var(--ui-space-md);align-items:flex-start;gap:var(--ui-space-xl);padding:var(--ui-space-xs)var(--ui-space-xs)calc(var(--ui-space-xs) + var(--tutor-toast-bar-height))var(--ui-space-md);border-radius:var(--ui-radius-xxl)var(--ui-radius-xxl)var(--ui-radius-xxl)var(--ui-radius-xl);background:var(--ui-color-blue-100);box-shadow:var(--ui-shadow-raised);color:var(--ui-color-neutral-grey-900);display:flex;position:relative}.tutor-toast:before{content:"";border-radius:inherit;box-shadow:inset 0 calc(-1*var(--tutor-toast-bar-height))0 var(--ui-color-blue-400);pointer-events:none;position:absolute;top:0;bottom:0;left:0;right:0}@media (prefers-reduced-motion:no-preference){.tutor-toast:before{animation:tutor-toast-countdown var(--tutor-toast-duration)linear forwards}.tutor-toast--paused:before{animation-play-state:paused}}.tutor-toast:after{content:"";right:calc(-1*var(--tutor-toast-tail-size));bottom:var(--ui-space-md);width:var(--tutor-toast-tail-size);height:var(--tutor-toast-tail-size);background:var(--ui-color-blue-100);clip-path:polygon(0 0,100% 100%,0 100%);position:absolute}.tutor-toast__text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);overflow-wrap:break-word;flex:1;min-width:0;margin:0}.tutor-toast__title{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-28);display:block}.tutor-toast__close{flex-shrink:0}.tutor-toast__close.button.button:focus-visible{outline-color:var(--ui-color-stroke-focus-secondary)}@keyframes tutor-toast-countdown{0%{clip-path:inset(0)}to{clip-path:inset(0 100% 0 0)}}.chat-mermaid-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-mermaid-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-mermaid-card--error{color:#e04949;box-shadow:none;cursor:default;background:#fef0ef;border-color:#e04949;padding:8px}.chat-mermaid-card--error:hover{box-shadow:none;border-color:#e04949;transform:none}.chat-mermaid-card__preview{padding:8px;overflow:hidden}.chat-mermaid-card__preview .diagram-mermaid,.chat-mermaid-card__preview .diagram-mermaid *{pointer-events:none;-webkit-user-select:none;user-select:none}.chat-mermaid-card__footer{background-color:#f2f2f2;border-top:1px solid #e0e0e0;border-radius:0 0 8px 8px;padding:16px}.chat-mermaid-card__footer__content{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-mermaid-card__footer__title{color:#333;align-items:center;gap:4px;font-size:16px;font-weight:600;display:flex}.chat-mermaid-card__footer .icon{color:#333}.conversation-history{--conversation-history-row-padding:var(--ui-space-xs)var(--ui-space-md);--conversation-history-title-font-size:var(--ui-font-size-16);--conversation-history-title-line-height:var(--ui-line-height-24);--conversation-history-date-font-size:var(--ui-font-size-14);--conversation-history-date-line-height:var(--ui-line-height-20);overflow:hidden}.conversation-history .chat-dropdown__content{padding:0}.conversation-history__list{margin:0;padding:0;list-style:none}.conversation-history__item{position:relative}.conversation-history__item:not(:last-child):after{content:"";height:var(--ui-stroke-1);background-color:var(--ui-color-neutral-grey-200);position:absolute;bottom:0;left:0;right:0}.conversation-history__item-wrapper{align-items:center;gap:var(--ui-space-xs);padding:var(--conversation-history-row-padding);transition:background-color .2s;display:flex}.conversation-history__item-wrapper:hover{background-color:var(--ui-color-neutral-grey-100)}.conversation-history__button{cursor:pointer;text-align:left;background:0 0;border:none;flex:1;align-items:center;min-width:0;padding:0;display:flex}.conversation-history__info{flex:1;min-width:0}.conversation-history__item-title{font-size:var(--conversation-history-title-font-size);font-weight:var(--ui-font-weight-medium);line-height:var(--conversation-history-title-line-height);color:var(--ui-color-neutral-grey-900);margin-bottom:var(--ui-space-xxxs);white-space:nowrap;text-overflow:ellipsis;font-family:var(--ui-font-family-body);letter-spacing:normal;overflow:hidden}.conversation-history__metadata{font-size:var(--conversation-history-date-font-size);font-weight:var(--ui-font-weight-medium);line-height:var(--conversation-history-date-line-height);color:var(--ui-color-neutral-grey-700);font-family:var(--ui-font-family-body);letter-spacing:normal}.conversation-history__empty{text-align:center;color:#767676;padding:40px 16px;font-size:14px}.conversation-history__loading{text-align:center;color:#767676;flex-direction:column;align-items:center;gap:12px;padding:40px 16px;font-size:14px;display:flex}.conversation-history__spinner{border:2px solid #f2f2f2;border-top-color:var(--ui-color-brand-fod-primary-a);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.conversation-history__error{text-align:center;color:#f66868;flex-direction:column;align-items:center;gap:8px;padding:40px 16px;font-size:14px;display:flex}.conversation-history__error .icon__wrapper{width:24px;height:24px}.conversation-history__delete-button{cursor:pointer;opacity:1;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;padding:2px;transition:background-color .2s;display:flex}.conversation-history__delete-button:hover{color:#f66868;background-color:rgba(246,104,104,.1)}.conversation-history__delete-button .icon__wrapper{width:20px;height:20px}.conversation-history__new-chat-button{width:100%}.conversation-history__end{text-align:center;color:#767676;font-size:14px;font-family:var(--font-second);padding:16px;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.practice-scope-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}.practice-scope-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}.practice-scope-tag{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.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}@media only screen and (min-width:768px){body:has(.teacher-layout-wrapper) .react-toast-notifications__container{--teacher-layout-toast-inset-start:13rem;right:0;left:var(--teacher-layout-toast-inset-start);padding-inline:var(--ui-space-xl)}body:has(.teacher-layout-wrapper--collapsed) .react-toast-notifications__container{--teacher-layout-toast-inset-start:5rem}}.teacher-page-header{--teacher-page-header-min-height:4rem;--teacher-page-header-robot-width:var(--ui-size-6xl);--teacher-page-header-robot-height:3.5rem;--teacher-page-header-chip-max-width:12.5rem;--teacher-page-header-block-basis:12rem;--teacher-page-header-gap-below:var(--ui-space-xxs);align-items:center;gap:var(--ui-space-lg);box-sizing:border-box;min-height:var(--teacher-page-header-min-height);margin-bottom:var(--teacher-page-header-gap-below);padding:var(--ui-space-xxs)var(--ui-space-xl);background-color:var(--ui-color-bg-container-primary);flex-wrap:wrap;width:100%;display:flex}.teacher-page-header--illustrated{--teacher-page-header-min-height:7rem}.teacher-page-header--breadcrumbs{--teacher-page-header-min-height:2.25rem}.teacher-page-header__block{flex:1 1 var(--teacher-page-header-block-basis);flex-direction:column;min-width:0;display:flex}.teacher-page-header__title{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-22);font-weight:var(--ui-font-weight-bold);line-height:var(--ui-line-height-32);color:var(--ui-color-neutral-grey-900);margin:0}.teacher-page-header__subtitle{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);color:var(--ui-color-text-default);margin:0}.teacher-page-header__robot-row{align-items:flex-start;gap:var(--ui-space-md);margin-top:var(--ui-space-md);display:flex}.teacher-page-header__robot{width:var(--teacher-page-header-robot-width);height:var(--teacher-page-header-robot-height);background:var(--teacher-page-header-robot-image)center/contain no-repeat;flex:none}.teacher-page-header__robot--help{--teacher-page-header-robot-image:var(--tangerine-ai-bot-help)}.teacher-page-header__robot--search{--teacher-page-header-robot-image:var(--tangerine-ai-bot-search)}.teacher-page-header__description{margin:var(--ui-space-md)0 0;font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);color:var(--ui-color-text-default)}.teacher-page-header__back{display:flex}.teacher-page-header__student{align-items:center;gap:var(--ui-space-xs);max-width:var(--teacher-page-header-chip-max-width);padding:var(--ui-space-xxxs)var(--ui-space-xs);border-radius:var(--ui-radius-xl);display:flex}.teacher-page-header__student-name{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-neutral-grey-900);white-space:nowrap;text-overflow:ellipsis;margin:0;overflow:hidden}.teacher-page-header__actions{align-items:center;gap:var(--ui-space-md);display:flex}.teacher-page-header--illustrated .teacher-page-header__actions{min-height:var(--ui-line-height-32);align-self:flex-start}.teacher-page-header--breadcrumbs .teacher-page-header__actions{min-height:var(--ui-line-height-28);align-self:flex-start}.teacher-page-header .teacher-page-header__breadcrumbs{--ui-breadcrumbs-color-text:var(--ui-color-text-default);--ui-breadcrumbs-color-current:var(--ui-color-neutral-grey-900);--ui-breadcrumbs-color-separator:var(--ui-color-neutral-grey-300);--ui-breadcrumbs-line-height:var(--ui-line-height-28);overflow-wrap:anywhere}.teacher-page-header__back .button{--button-font-family:var(--ui-font-family-heading);--button-font-size:var(--ui-font-size-16);--button-font-weight:var(--ui-font-weight-bold);--button-line-height:var(--ui-line-height-26);--button-icon-size:var(--ui-icon-size-sm);--button-gap:var(--ui-space-xs);--button-padding-y:var(--ui-space-xxxs);--button-padding-x:var(--ui-space-md)}.student-cluster-tooltip{z-index:10;background-color:#fff;border-radius:8px;min-width:180px;padding:8px;position:absolute;transform:translate(-50%,-100%);box-shadow:0 5px 20px rgba(169,155,144,.2)}.student-cluster-tooltip__list{flex-direction:column;display:flex}.student-cluster-tooltip__row{border-radius:4px;align-items:center;gap:8px;height:40px;padding:8px;display:flex}.student-cluster-tooltip__row--clickable{-webkit-appearance:none;appearance:none;text-align:left;font:inherit;cursor:pointer;background:0 0;border:none;width:100%}.student-cluster-tooltip__row--clickable:hover{background-color:#f9f9f9}.student-cluster-tooltip__name{font-family:var(--font-second);color:#4e4e4e;white-space:nowrap;font-size:16px;font-weight:500;line-height:24px}.student-cluster-tooltip__arrow{border-top:8px solid #fff;border-left:6px solid transparent;border-right:6px solid transparent;width:0;height:0;position:absolute;bottom:-8px;left:50%;transform:translate(-50%)}.tutor-usage-section{flex-direction:column;gap:24px;display:flex}.tutor-usage-section__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:28px}.tutor-usage-section__stats{--tutor-usage-section-stat-min-width:13rem;grid-template-columns:repeat(auto-fit,minmax(var(--tutor-usage-section-stat-min-width),1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.tutor-usage-section__stats-item{display:grid}.tutor-usage-section__empty{font-family:var(--font-second);color:#767676;text-align:center;margin:0;padding:24px 0;font-size:14px}.tutor-usage-section__loading{justify-content:center;align-items:center;padding:48px 0;display:flex}.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}.vertical-kc-timeline{--timeline-marker-width:16px;--timeline-dot-size:12px;--timeline-line-width:1px;background-color:#f9f9f9;border-radius:8px;flex-direction:column;gap:16px;margin:0;padding:8px;list-style:none;display:flex}.vertical-kc-timeline__item{grid-template-columns:auto var(--timeline-marker-width)1fr;min-height:var(--timeline-dot-size);align-items:center;gap:8px;display:grid;position:relative}.vertical-kc-timeline__date{text-align:right;font-family:var(--font-second);color:#4e4e4e;flex-direction:column;align-items:flex-end;min-width:111px;font-size:12px;line-height:18px;display:flex}.vertical-kc-timeline__item--last .vertical-kc-timeline__date{font-family:var(--font-second-bold)}.vertical-kc-timeline__marker{width:var(--timeline-marker-width);justify-content:center;align-self:stretch;align-items:center;height:100%;display:flex;position:relative}.vertical-kc-timeline__marker:after{content:"";width:var(--timeline-line-width);background-color:#8e0d8e;height:50%;position:absolute;top:50%;left:50%;transform:translate(-50%)}.vertical-kc-timeline__item:not(.vertical-kc-timeline__item--last) .vertical-kc-timeline__marker:after{height:calc(100% + 16px)}.vertical-kc-timeline__item:first-child .vertical-kc-timeline__marker:before{content:"";width:var(--timeline-line-width);background-color:#8e0d8e;height:50%;position:absolute;top:0;left:50%;transform:translate(-50%)}.vertical-kc-timeline__dot{width:var(--timeline-dot-size);height:var(--timeline-dot-size);z-index:1;background-color:#e875e6;border-radius:50%}.vertical-kc-timeline__item--last .vertical-kc-timeline__dot{background-color:#b00fb0;box-shadow:0 0 0 3px rgba(209,22,218,.15)}.vertical-kc-timeline__status-label{font-family:var(--font-second);color:#333;font-size:16px;line-height:24px}.vertical-kc-timeline__item--last .vertical-kc-timeline__status-label{font-family:var(--font-second-bold)}