.chat-dropdown-overlay{z-index:999;background:0 0;position:fixed;top:0;bottom:0;left:0;right:0}.chat-dropdown-portal{z-index:1000;position:fixed}.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}.chat-link{color:var(--ui-color-brand-fod-primary-a);cursor:pointer;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.chat-link:hover{color:var(--ui-color-brand-fod-primary-a);text-decoration:underline}.chat-link:active{color:var(--ui-color-brand-fod-dark);text-decoration:underline}.chat-link:focus{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px;border-radius:2px}.chat-link:focus-visible{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px;border-radius:2px}.chat-link:focus:not(:focus-visible){outline:none}.chat-link--disabled{color:var(--ui-color-brand-fod-primary-a);opacity:.5;cursor:not-allowed;pointer-events:none;text-decoration:none}.chat-link--disabled:hover{text-decoration:none}.chat-d3-modal .dialog__content{padding:0;overflow:hidden}.chat-d3-modal__content{background-color:#f2f2f2;width:100%;height:80vh;position:relative}.chat-d3-modal__iframe{background-color:#fff;border:none;width:100%;height:100%}.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}.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}.topic-ranking-item{border-radius:var(--border-radius-01);flex-direction:column;gap:4px;margin:8px 0;padding:8px;display:flex}.topic-ranking-item:hover{cursor:pointer;background-color:#f9f9f9}.topic-ranking-item:last-child{border-bottom:none}.topic-ranking-item__row{justify-content:space-between;align-items:center;gap:16px;margin-bottom:2px;display:flex}.topic-ranking-item__info{align-items:center;gap:16px;min-width:0;margin-right:2px;display:flex}.topic-ranking-item__name{font-family:var(--font-second);color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:400;line-height:20px;overflow:hidden}.topic-ranking-item__discipline-badge{font-family:var(--font-second);white-space:nowrap;background-color:#f2f2f2;border-radius:8px;padding:4px 8px;font-size:14px;font-weight:500;line-height:18px}.topic-ranking-item__actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.topic-ranking-item__frequency{font-family:var(--font-first);font-size:14px;font-weight:700;line-height:20px}.topic-ranking-item__chevron{cursor:pointer;color:#767676;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:4px;transition:transform .2s;display:flex}.topic-ranking-item__chevron:hover{background-color:#f2f2f2}.topic-ranking-item__chevron--expanded{transform:rotate(180deg)}.topic-ranking-item__bar{background-color:#f2f2f2;border-radius:3px;width:100%;height:8px;overflow:hidden}.topic-ranking-item__bar-fill{border-radius:3px;height:100%;transition:width .3s}.topic-ranking-item--color-1 .topic-ranking-item__frequency{color:#6b0a6b}.topic-ranking-item--color-1 .topic-ranking-item__bar-fill{background-color:#e047e0}.topic-ranking-item--color-2 .topic-ranking-item__frequency{color:#70022e}.topic-ranking-item--color-2 .topic-ranking-item__bar-fill{background-color:#e3366f}.topic-ranking-item--color-3 .topic-ranking-item__frequency{color:#662014}.topic-ranking-item--color-3 .topic-ranking-item__bar-fill{background-color:#ff7450}.topic-ranking-item--color-4 .topic-ranking-item__frequency{color:#664306}.topic-ranking-item--color-4 .topic-ranking-item__bar-fill{background-color:#ffb233}.topic-ranking-item--color-5 .topic-ranking-item__frequency{color:#305001}.topic-ranking-item--color-5 .topic-ranking-item__bar-fill{background-color:#91d432}.topic-ranking-item--color-6 .topic-ranking-item__frequency{color:#05490b}.topic-ranking-item--color-6 .topic-ranking-item__bar-fill{background-color:#36c03c}.topic-ranking-item--color-7 .topic-ranking-item__frequency{color:#014d5c}.topic-ranking-item--color-7 .topic-ranking-item__bar-fill{background-color:#3ce4f1}.topic-ranking-item--color-8 .topic-ranking-item__frequency{color:#0a3366}.topic-ranking-item--color-8 .topic-ranking-item__bar-fill{background-color:#4eabff}.stat-card{--stat-card-icon-size:36px;--stat-card-toggle-size:24px;border:1px solid #e0e0e0;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;display:flex}.stat-card--expandable{flex-direction:column;align-items:stretch}.stat-card__row{align-items:center;gap:16px;width:100%;display:flex}.stat-card__row--clickable{font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;margin:0;padding:0}.stat-card__row--clickable:hover .stat-card__toggle{color:#333}.stat-card__row--clickable:focus-visible{outline:2px solid var(--color-first);outline-offset:2px}.stat-card__icon{width:var(--stat-card-icon-size);height:var(--stat-card-icon-size);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.stat-card__icon--success{color:#28a773;background-color:#e6fbfc}.stat-card__icon--success .icon--color-default{color:#02788a}.stat-card__icon--rollback{color:#e04949;background-color:#ffeaed}.stat-card__icon--rollback .icon--color-default{color:#97033a}.stat-card__icon--timeline{color:#8e0d8e;background-color:#fff1ff}.stat-card__icon--timeline .icon--color-default{color:#8e0d8e}.stat-card__icon--time{color:#0a6910;background-color:#d7fedb}.stat-card__icon--time .icon--color-default{color:#0a6910}.stat-card__icon--group{background-color:#fffad6}.stat-card__icon--group .icon--color-default{color:#996008}.stat-card__icon--mastery{color:#8e0d8e;background-color:#fff1ff}.stat-card__icon--mastery .icon--color-default{color:#8e0d8e}.stat-card__description{font-family:var(--font-second);color:#4e4e4e;background-color:#f9f9f9;border-radius:8px;margin:0;padding:8px;font-size:14px;line-height:20px}.stat-card__info{flex:1;gap:8px;min-width:0;display:flex}.stat-card--layout-inline .stat-card__info{flex-direction:row-reverse;justify-content:flex-end;align-items:baseline}.stat-card--layout-spread{gap:0}.stat-card--layout-spread .stat-card__info{flex-direction:row;justify-content:space-between}.stat-card--layout-stacked .stat-card__info{flex-direction:column;align-items:flex-start;gap:2px}.stat-card__value{font-family:var(--font-second);color:#333;flex-shrink:0;font-weight:700}.stat-card--layout-inline .stat-card__value,.stat-card--layout-spread .stat-card__value{font-size:18px;line-height:26px}.stat-card__label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;line-height:20px}.stat-card__toggle{width:var(--stat-card-toggle-size);height:var(--stat-card-toggle-size);cursor:pointer;color:#767676;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:transform .4s;display:flex}.stat-card__toggle svg{width:var(--stat-card-toggle-size);height:var(--stat-card-toggle-size)}.stat-card__toggle--expanded{transform:rotate(180deg)}.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)}.teacher-tool-card{cursor:pointer;font-family:var(--font-second);background:#fff;border:1px solid #e0e0e0;border-radius:8px;align-items:flex-start;gap:8px;width:100%;padding:8px;display:flex;position:relative}.teacher-tool-card__icon{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.teacher-tool-card__content{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.teacher-tool-card__title{color:#333;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:16px;font-weight:700;line-height:20px;overflow:hidden}.teacher-tool-card__description{color:#767676;-webkit-line-clamp:2;line-clamp:2;text-overflow:ellipsis;white-space:normal;-webkit-box-orient:vertical;min-height:36px;margin:0;font-size:14px;font-weight:500;line-height:18px;display:-webkit-box;overflow:hidden}.teacher-tool-card:hover:not(.teacher-tool-card--disabled):not(.teacher-tool-card--pressed):not(.teacher-tool-card--active){outline:1px solid #f2f2f2;box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--pressed{border-color:#ababab}.teacher-tool-card--active{border-color:var(--ui-color-brand-fod-primary-a);background:#fff}.teacher-tool-card--active:hover{border-color:var(--ui-color-brand-fod-primary-a);box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--disabled{cursor:not-allowed;background:#f9f9f9;border-color:#f2f2f2}.teacher-tool-card--disabled .teacher-tool-card__title,.teacher-tool-card--disabled .teacher-tool-card__description{color:#828282}.teacher-tool-card--disabled .teacher-tool-card__icon{filter:grayscale()}.teacher-tool-card--disabled:hover{box-shadow:none;border-color:#f2f2f2}@media (max-width:768px){.teacher-tool-card{padding:12px}.teacher-tool-card__title{font-size:14px;line-height:18px}.teacher-tool-card__description{min-height:32px;font-size:12px;line-height:16px}}