@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-icon-button{cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:0;transition:all .2s;display:flex;position:relative}.chat-icon-button--large{width:32px;height:32px}.chat-icon-button--large .icon{width:20px;height:20px}.chat-icon-button--small{width:24px;height:24px}.chat-icon-button--small .icon{width:14px;height:14px}.chat-icon-button--default{color:#767676}.chat-icon-button--error{color:#e04949}.chat-icon-button:hover:not(.chat-icon-button--disabled){color:#333;background-color:#f2f2f2}.chat-icon-button:active:not(.chat-icon-button--disabled){background-color:#f2f2f2;box-shadow:inset 0 3px rgba(224,224,224,.7)}.chat-icon-button:focus-visible{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px}.chat-icon-button--disabled{opacity:.5;cursor:not-allowed}.status-modal__content{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:24px;display:flex}.status-modal__icon{justify-content:center;align-items:center;width:48px;height:56px;display:flex}.status-modal__bot-icon{background-image:var(--tangerine-ai-bot-happy);background-position:50%;background-repeat:no-repeat;background-size:contain;width:48px;height:56px}.status-modal__bot-icon--error{background-image:var(--tangerine-ai-bot-sad)}.status-modal__text{flex-direction:column;gap:8px;display:flex}.status-modal__title{font-family:var(--font-first);margin:0;font-size:22px;font-weight:600;line-height:32px}.status-modal__title--success{color:#333}.status-modal__message{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:16px;font-weight:600;line-height:24px}.report-modal__content{flex-direction:column;gap:16px;display:flex}.report-modal__subtitle{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:14px;font-weight:400;line-height:1.5}.report-modal__options{flex-direction:column;gap:16px;display:flex}.report-modal__option{padding:0}.report-modal__comment{flex-direction:column;gap:8px;margin-top:8px;display:flex}.report-modal .dialog__actions .footer-buttons .button{color:#fff;background:var(--color-first)}.report-modal .dialog__actions .footer-buttons .button.button--variant-secondary-ghost{color:var(--color-first);background:0 0}.report-modal .dialog__actions .footer-buttons .button.button--variant-secondary-ghost .button__text{color:var(--color-first)}.report-modal .dialog__actions .footer-buttons .button:disabled{opacity:.4}.report-modal .dialog__title{font-family:var(--font-second);font-size:16px;font-weight:600}.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)}}.tutor-ai-tabs{align-items:center;gap:8px;display:flex}.tutor-ai-tabs__tab{font-size:14px;font-family:var(--font-second);color:#333;cursor:pointer;border-radius:var(--border-radius-01);padding:8px;line-height:20px;transition:color .2s;position:relative}.tutor-ai-tabs__tab--active{font-family:var(--font-second-bold);color:#333;cursor:default;background-color:#f9f9f9;font-size:14px;line-height:20px}.sidebar-feedback{--sidebar-feedback-gap:var(--ui-space-xs);gap:var(--sidebar-feedback-gap);flex-direction:column;display:flex}.sidebar-feedback__prompt{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-regular);line-height:var(--ui-line-height-18);color:var(--ui-color-text-secondary);margin:0}.sidebar-feedback--collapsed{align-items:center}.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}.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%)}.intent-distribution-section{background-color:#fff;flex-direction:column;gap:16px;margin-bottom:24px;padding:16px 24px;display:flex;overflow:hidden}.intent-distribution-section__header{flex-flow:wrap;justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.intent-distribution-section__header-text{flex-direction:column;gap:8px;display:flex}.intent-distribution-section__dev-toggle{border:1px dashed #ababab;border-radius:4px;align-items:center;padding:4px 8px;display:flex}.intent-distribution-section__title{font-family:var(--font-first);color:#333;margin:0;font-size:22px;font-weight:600;line-height:32px}.intent-distribution-section__subtitle{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:16px;font-weight:400;line-height:24px}.intent-distribution-section__loading{justify-content:center;align-items:center;min-height:200px;display:flex}.intent-distribution-section__empty{font-family:var(--font-second);color:#767676;text-align:center;margin:0;padding:24px 0;font-size:14px}.intent-distribution-section__chart-wrapper{background-color:#f9f9f9;border-radius:8px;min-height:600px;padding:8px;position:relative}.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}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}