.chat-header-container{background-color:#fff;border-bottom:1px solid #f2f2f2}.chat-header{background-color:#fff;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;position:relative}.chat-header__left,.chat-header__right{flex:none;align-items:center;gap:8px;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__button{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:8px;transition:background-color .2s;display:flex}.chat-header__button:hover{cursor:pointer}.chat-header__badge{background-color:var(--color-tangerine-ai,#bc3ebc);color:#fff;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;margin-left:8px;padding:0 6px;font-size:12px;font-weight:700;display:flex}.chat-header__divider{background-color:#f2f2f2;width:1px;height:30px;margin:0 8px}.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__list{margin:0;padding:0;list-style:none}.conversation-history__item{position:relative}.conversation-history__item:not(:last-child):after{content:"";background-color:#e0e0e0;height:1px;position:absolute;bottom:0;left:0;right:0}.conversation-history__item-wrapper{border-radius:4px;align-items:center;gap:8px;padding:8px;transition:background-color .2s;display:flex}.conversation-history__item-wrapper:hover{background-color:#f2f2f2}.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{color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:500;line-height:24px;font-family:var(--font-second);letter-spacing:normal;margin-bottom:2px;overflow:hidden}.conversation-history__metadata{color:#767676;font-size:14px;font-weight:500;line-height:normal;font-family:var(--font-second);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(--color-tangerine-ai,#bc3ebc);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__load-more{justify-content:center;align-items:center;min-height:60px;padding:16px;display:flex}.conversation-history__loading-more{color:#767676;font-size:14px;font-family:var(--font-second);align-items:center;gap:8px;display:flex}.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)}}.ai-revision-loading{z-index:2147483647;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.ai-revision-loading__backdrop{background:var(--color-background);width:100%;height:100%;position:absolute;top:0;left:0}.ai-revision-loading__content{flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;display:flex;position:relative}.ai-revision-loading__bot-container{justify-content:center;align-items:center;display:flex;position:relative}.ai-revision-loading__bot{width:120px;height:auto;animation:2s ease-in-out infinite ai-revision-loading-bounce}.ai-revision-loading__stars{pointer-events:none;width:100%;height:100%;position:absolute}.ai-revision-loading__star{color:var(--color-first);font-size:28px;animation:1.5s ease-in-out infinite ai-revision-loading-sparkle;position:absolute}.ai-revision-loading__star--1{animation-delay:0s;top:-10px;right:-15px}.ai-revision-loading__star--2{animation-delay:.75s;bottom:10px;left:-20px}.ai-revision-loading__text{font-family:var(--font-first);color:#4e4e4e;text-align:center;max-width:300px;font-size:22px;animation:.3s ease-in-out ai-revision-loading-fade}@keyframes ai-revision-loading-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes ai-revision-loading-sparkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}@keyframes ai-revision-loading-fade{0%{opacity:0}to{opacity:1}}.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}.teacher-layout-wrapper{height:100vh;display:flex;overflow:hidden}.teacher-layout-wrapper__sidebar{background:#faf7f5;flex-direction:column;flex-shrink:0;width:265px;height:100vh;transition:width .3s;display:flex;overflow-x:hidden;overflow-y:auto}.teacher-layout-wrapper__sidebar-header{justify-content:space-between;align-items:center;padding:24px 24px 0;display:flex}.teacher-layout-wrapper__collapse-btn{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:24px;transition:background-color .2s;display:flex}.teacher-layout-wrapper__collapse-btn:hover{background-color:rgba(0,0,0,.05)}.teacher-layout-wrapper__collapse-btn .icon{color:#767676}.teacher-layout-wrapper__title-container{visibility:visible;transition:opacity .3s;overflow:hidden}.teacher-layout-wrapper__title{color:#4e4e4e;white-space:nowrap;font-size:24px;font-weight:600;font-family:var(--font-first);margin:0;padding:24px 24px 0}.teacher-layout-wrapper__navigation{flex:1;padding:24px 0 0 24px;transition:padding .3s}.teacher-layout-wrapper__nav-list{font-family:var(--font-first);flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.teacher-layout-wrapper__nav-item{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px 0 0 8px;align-items:center;width:100%;padding:8px 15px;transition:background-color .2s,color .2s;display:flex;overflow:hidden}.teacher-layout-wrapper__nav-item .icon{color:#767676;flex-shrink:0;transition:color .2s}.teacher-layout-wrapper__nav-item:hover{background:rgba(255,255,255,.5)}.teacher-layout-wrapper__nav-item:hover .icon,.teacher-layout-wrapper__nav-item:hover .teacher-layout-wrapper__nav-text{color:var(--color-tangerine-ai-dark,#741571)}.teacher-layout-wrapper__nav-item--active{background:#fff}.teacher-layout-wrapper__nav-item--active .icon{color:var(--color-tangerine-ai,#bc3ebc)}.teacher-layout-wrapper__nav-item--active .teacher-layout-wrapper__nav-text{color:var(--color-tangerine-ai,#bc3ebc);font-family:var(--font-first)}.teacher-layout-wrapper__nav-item--active:hover{background:#fff}.teacher-layout-wrapper__nav-text{color:#767676;white-space:nowrap;opacity:1;width:auto;margin-left:12px;font-family:Dosis Bold,sans-serif;font-size:16px;font-weight:600;line-height:24px;transition:opacity .2s,width .3s}.teacher-layout-wrapper__dev-toggle{margin-top:auto;padding:16px 20px}.teacher-layout-wrapper__dev-toggle-hint{color:#767676;margin-top:4px;font-size:11px;line-height:1.3}.teacher-layout-wrapper__main{background:#fff;flex:1;min-width:0;padding-top:36px;overflow:auto}.teacher-layout-wrapper__main--default-padding{padding-left:72px;padding-right:72px}.teacher-layout-wrapper__main--left-only-padding{padding-left:72px;padding-right:0}.teacher-layout-wrapper__main--none-padding{padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar{width:80px}.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{align-items:center;padding:24px 0 0 24px}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-item{justify-content:center;padding:8px}.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}.lesson-recommendation-item{align-items:center;gap:16px;padding:0;display:flex}.lesson-recommendation-item__alert{background-color:#fff0f0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.lesson-recommendation-item__content{flex:1}.lesson-recommendation-item__title{color:#333;font-family:Lato Bold,sans-serif;font-size:16px;font-weight:600;line-height:24px}.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)}.radar-type-tag{font-family:var(--font-second);white-space:nowrap;color:#333;background-color:#f2f2f2;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;gap:4px;height:28px;padding:4px 8px;font-size:14px;font-weight:500;line-height:normal;display:flex}.radar-type-tag--inappropriate-use{color:#97033a;background-color:#ffeaed}.radar-type-tag--learning-block,.radar-type-tag--group-learning-alert{color:#996008;background-color:#fffad6}.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}.radar-view__header{border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:center;padding-bottom:16px;display:flex}.radar-view__header-titles{flex-direction:column;gap:4px;display:flex}.radar-view__title{font-family:var(--font-first);color:#333;margin:0;font-size:26px;font-weight:700;line-height:40px}.radar-view__subtitle{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:16px;font-weight:600;line-height:24px}.radar-view__header-filters{align-items:center;gap:16px;display:flex}.radar-view__header-filters .select-customizable{width:200px;min-width:200px}.radar-view__toolbar{border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:center;padding:16px 0;display:flex}.radar-view__toolbar-actions{align-items:center;gap:8px;display:flex}.radar-view__content{flex-direction:column;gap:24px;padding-top:16px;display:flex}.radar-view__cards{flex-direction:column;gap:16px;padding-bottom:48px;display:flex}.radar-view .button.button--color-transparent-primary:disabled{opacity:.4;background-color:transparent}.education-year-selector .select-customizable__label{margin-bottom:8px}