.activity-combobox{width:100%;position:relative}.activity-combobox__input-wrapper{align-items:center;display:flex;position:relative}.activity-combobox__input{background-color:#fff;border:1px solid #ddd;border-radius:4px;width:100%;padding:8px 32px 8px 12px;font-size:14px;line-height:1.4;transition:border-color .2s,box-shadow .2s}.activity-combobox__input:focus{border-color:#007bff;outline:none;box-shadow:0 0 0 2px rgba(0,123,255,.25)}.activity-combobox__input::placeholder{color:#999}.activity-combobox__toggle{cursor:pointer;color:#666;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;transition:color .2s;display:flex;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.activity-combobox__toggle:hover{color:#333}.activity-combobox__toggle:focus{color:#007bff;outline:none}.activity-combobox__arrow{font-size:12px;transition:transform .2s}.activity-combobox__arrow--up{transform:rotate(180deg)}.activity-combobox__dropdown{z-index:1000;background:#fff;border:1px solid #ddd;border-top:none;border-radius:0 0 4px 4px;max-height:200px;position:absolute;top:100%;left:0;right:0;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1)}.activity-combobox__list{max-height:200px;margin:0;padding:0;list-style:none;overflow-y:auto}.activity-combobox__option{cursor:pointer;color:#333;border-bottom:1px solid #f0f0f0;padding:8px 12px;font-size:14px;line-height:1.4;transition:background-color .15s}.activity-combobox__option:last-child{border-bottom:none}.activity-combobox__option:hover,.activity-combobox__option--highlighted{background-color:#f8f9fa}.activity-combobox__option--highlighted{background-color:#e3f2fd}.activity-combobox__option[aria-selected=true]{color:#fff;background-color:#007bff}.activity-combobox__no-options{color:#999;text-align:center;padding:8px 12px;font-size:14px;font-style:italic}.activity-combobox--open .activity-combobox__input{border-bottom-color:#ddd;border-bottom-right-radius:0;border-bottom-left-radius:0}.activity-combobox__list{scrollbar-width:thin;scrollbar-color:#ccc transparent}.activity-combobox__list::-webkit-scrollbar{width:6px}.activity-combobox__list::-webkit-scrollbar-track{background:0 0}.activity-combobox__list::-webkit-scrollbar-thumb{background-color:#ccc;border-radius:3px}.activity-combobox__list::-webkit-scrollbar-thumb:hover{background-color:#999}@media (prefers-color-scheme:dark){.activity-combobox__input{color:#fff;background-color:#2d2d2d;border-color:#555}.activity-combobox__input:focus{border-color:#0d6efd}.activity-combobox__input::placeholder{color:#aaa}.activity-combobox__dropdown{background:#2d2d2d;border-color:#555}.activity-combobox__option{color:#fff;border-bottom-color:#444}.activity-combobox__option:hover,.activity-combobox__option--highlighted{background-color:#3d3d3d}.activity-combobox__option--highlighted{background-color:#1e3a5f}.activity-combobox__no-options,.activity-combobox__toggle{color:#aaa}.activity-combobox__toggle:hover{color:#fff}}.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}.chat-image-modal-container{border-radius:var(--border-radius-01);background-color:var(--color-background-secondary);justify-content:center;align-items:center;width:100%;min-height:300px;padding:20px;display:flex;position:relative}.chat-image-modal-container .chat-image-modal__image{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:calc(80vh - 200px);display:block}.chat-image-modal-container .chat-image-modal__download-button{background-color:var(--color-background-primary);border:1px solid var(--color-border);border-radius:var(--border-radius-01);cursor:pointer;opacity:.9;z-index:10;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex;position:absolute;top:20px;right:20px}.chat-image-modal-container .chat-image-modal__download-button:hover{background-color:var(--color-background-hover);opacity:1;transform:scale(1.05)}.chat-image-modal-container .chat-image-modal__download-button:active{transform:scale(.95)}.chat-image-modal-container .chat-image-modal__download-button svg{color:var(--color-text-primary);width:20px;height:20px}@media (max-width:768px){.chat-image-modal-container{padding:10px}.chat-image-modal-container .chat-image-modal__image{max-height:calc(90vh - 150px)}.chat-image-modal-container .chat-image-modal__download-button{padding:6px;top:10px;right:10px}.chat-image-modal-container .chat-image-modal__download-button svg{width:18px;height:18px}}.flagged-message-bubble-tags{margin:0;margin-top:var(--ui-space-xs);align-items:flex-start;gap:var(--ui-space-xs);flex-direction:column;padding:0;list-style:none;display:flex}.chat-messages{flex-direction:column;flex:1;min-height:0;max-height:100%;padding:16px;display:flex;position:relative;overflow-x:hidden;overflow-y:auto}.chat-messages__container{overflow-y:unset;flex-direction:column;flex:1;gap:10px;display:flex}.chat-messages__container::-webkit-scrollbar{width:8px;height:8px}.chat-messages__container::-webkit-scrollbar-track{background:#f2f2f2}.chat-messages__container::-webkit-scrollbar-thumb{background-color:#ababab;border-radius:20px}.chat-messages__container{scrollbar-width:thin;scrollbar-color:#ababab #f2f2f2}.chat-messages__empty-state{text-align:center;color:#767676;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:32px 16px;display:flex}.chat-messages__empty-state-content{max-width:320px}.chat-messages__empty-state-content h3{color:#333;margin-bottom:12px;font-size:32px}.chat-messages__empty-state-content p{margin:0;font-size:16px;line-height:1.5}.chat-messages__toast{color:#fff;background-color:#333;border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;animation:.3s ease-in-out fadeIn;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.chat-messages--loading{justify-content:center;align-items:center;min-height:200px;display:flex}.chat-messages__loading{padding:16px}.chat-message-container{flex-direction:column;display:flex;position:relative}.chat-message-container:hover .chat-message__debug-actions{opacity:1}.chat-message__debug-actions{opacity:0;gap:4px;transition:opacity .2s;display:flex;position:absolute;top:-8px;right:-8px}.chat-message__context-view{color:#333;background-color:#f2f2f2;border-radius:8px;margin-top:8px;padding:8px;font-size:14px}.chat-message__context-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.chat-message__context-title{color:#767676;margin:0;font-size:14px}.chat-message__debug-button{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.chat-message__debug-button:hover{background-color:#e0e0e0}.chat-message__context-data{font-family:var(--font-first);white-space:pre-wrap;background-color:#fff;border-radius:4px;max-height:200px;margin:0;padding:8px;font-size:14px;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.generating-session-dialog__content{justify-content:center;align-items:center;display:flex}.exit-practice-dialog{--exit-practice-dialog-mascot-width:5rem;--exit-practice-dialog-mascot-height:5.875rem}.exit-practice-dialog .footer-buttons .button--variant-secondary-ghost{--button-color:var(--ui-color-brand-fod-primary-a)}.exit-practice-dialog .MuiDialogContent-root{border-top:1px solid var(--ui-color-neutral-grey-200);border-bottom:1px solid var(--ui-color-neutral-grey-200)}.exit-practice-dialog__content{align-items:center;gap:var(--ui-space-xs);display:flex}.exit-practice-dialog__mascot{width:var(--exit-practice-dialog-mascot-width);height:var(--exit-practice-dialog-mascot-height);background-image:var(--tangerine-ai-bot-look-up);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.exit-practice-dialog__body{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-neutral-grey-900);flex:1;min-width:0;margin:0}.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}.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 .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)}.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}.severity-badge{flex-direction:column;flex-shrink:0;align-items:flex-start;gap:2px;display:flex}.severity-badge__label{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:18px}.severity-badge__row{align-items:center;gap:4px;display:flex}.severity-badge__level{font-family:var(--font-second);color:#333;font-size:14px;font-weight:500;line-height:16px}.severity-badge--horizontal{flex-direction:row;align-items:center;gap:4px}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}