@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}.flagged-message-bubble-tags{flex-direction:column;align-items:flex-start;gap:8px;margin-top:8px;display:flex}.flagged-message-bubble-tags__tag{font-family:var(--font-second);white-space:nowrap;color:#333;background-color:#ffeaed;border-radius:16px;align-items:center;height:28px;padding:4px 8px;font-size:14px;font-weight:500;line-height:normal;display:flex}.chat-checkbox{font-size:14px;display:block}.chat-checkbox__label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:flex-start;gap:8px;display:flex}.chat-checkbox__input-wrapper{flex-shrink:0;margin-top:2px;position:relative}.chat-checkbox__input{opacity:0;width:0;height:0;position:absolute}.chat-checkbox__custom{background-color:#fff;border:2px solid #e0e0e0;border-radius:4px;justify-content:center;align-items:center;width:20px;height:20px;transition:all .2s;display:flex;position:relative}.chat-checkbox__custom:after{content:"";opacity:0;border-radius:4px;transition:opacity .2s;position:absolute;top:-2px;bottom:-2px;left:-2px;right:-2px}.chat-checkbox__checkmark{opacity:0;font-size:12px;transition:all .2s;transform:scale(.8)}.chat-checkbox__content{flex-direction:column;flex:1;gap:4px;display:flex}.chat-checkbox__text{font-family:var(--font-second);color:#333;font-size:14px;font-weight:600;line-height:1.6}.chat-checkbox__description{color:#767676;font-size:12px;line-height:1.4}.chat-checkbox__label:hover .chat-checkbox__custom{border-color:var(--color-first);background-color:var(--color-first-alpha)}.chat-checkbox__input:checked+.chat-checkbox__custom{background-color:var(--color-first);border-color:var(--color-first)}.chat-checkbox__input:checked+.chat-checkbox__custom .chat-checkbox__checkmark{opacity:1;transform:scale(1)}.chat-checkbox__label:active .chat-checkbox__custom{background-color:var(--color-first);border-color:var(--color-first);transform:scale(.95)}.chat-checkbox__label:active .chat-checkbox__custom:after{opacity:.2;background-color:var(--color-first)}.chat-checkbox__input:focus-visible+.chat-checkbox__custom{outline:2px solid var(--color-first);outline-offset:2px}.chat-checkbox--disabled .chat-checkbox__label{cursor:not-allowed}.chat-checkbox--disabled .chat-checkbox__custom{opacity:.5;background-color:#f2f2f2;border-color:#e0e0e0}.chat-checkbox--disabled .chat-checkbox__text,.chat-checkbox--disabled .chat-checkbox__description{opacity:.5}.chat-checkbox--disabled .chat-checkbox__label:hover .chat-checkbox__custom{background-color:#f2f2f2;border-color:#e0e0e0}.chat-checkbox--position-right .chat-checkbox__label{flex-direction:row-reverse;justify-content:space-between}.chat-checkbox--position-right .chat-checkbox__input-wrapper{margin-top:0}.chat-checkbox--position-right .chat-checkbox__content{flex:1}.challenge-type-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}.challenge-type-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}.challenge-type-tag.done{background:var(--ui-color-neutral-grey-100);color:var(--ui-color-neutral-grey-600)}.challenge-type-tag.done:before{filter:grayscale()}.challenge-type-tag--new{background:var(--ui-color-green-200);color:var(--ui-color-green-800)}.challenge-type-tag--new:before{content:"🌱"}.challenge-type-tag--review{background:var(--ui-color-blue-200);color:var(--ui-color-blue-800)}.challenge-type-tag--review:before{content:"🧠"}.challenge-type-tag--combo{background:var(--ui-color-yellow-200);color:var(--ui-color-yellow-800)}.challenge-type-tag--combo:before{content:"⚡"}.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}.student-xray-drawer__header{border-bottom:1px solid #f2f2f2;justify-content:space-between;align-items:center;padding:8px;display:flex}.student-xray-drawer__student-info{align-items:center;gap:8px;display:flex}.student-xray-drawer__student-text{flex-direction:column;display:flex}.student-xray-drawer__student-name{font-family:var(--font-first-semi);color:#333;font-size:16px;font-weight:600;line-height:26px}.student-xray-drawer__student-class{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__close-btn{cursor:pointer;color:#767676;background:0 0;border:none;justify-content:center;align-items:center;width:24px;height:24px;padding:0;display:flex}.student-xray-drawer__close-btn:hover{color:#333}.student-xray-drawer__body{flex-direction:column;gap:24px;padding:8px 16px;display:flex;overflow-y:auto}.student-xray-drawer__stats{gap:8px;display:flex}.student-xray-drawer__stat-card{border:1px solid #e0e0e0;border-radius:8px;flex:1;padding:8px 16px}.student-xray-drawer__stat-label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__stat-value-row{align-items:baseline;gap:4px;display:flex}.student-xray-drawer__stat-value{font-family:var(--font-second);color:#333;font-size:18px;font-weight:700;line-height:26px}.student-xray-drawer__stat-unit{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__quality-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.student-xray-drawer__quality-label{font-family:var(--font-second);color:#333;font-size:16px;font-weight:500;line-height:24px}.student-xray-drawer__quality-percentage{font-family:var(--font-second);color:#6b0a6b;font-size:14px;font-weight:700;line-height:17px}.student-xray-drawer__quality-bar{background-color:#f2f2f2;border-radius:4px;height:8px;margin-bottom:8px;overflow:hidden}.student-xray-drawer__quality-bar-fill{background-color:#e047e0;border-radius:4px;height:100%}.student-xray-drawer__quality-description{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__intent-section-title{font-family:var(--font-second);color:#333;margin-bottom:8px;font-size:16px;font-weight:500;line-height:24px}.student-xray-drawer__intent-list{flex-direction:column;gap:16px;display:flex}.student-xray-drawer__intent-row{flex-direction:column;gap:8px;display:flex}.student-xray-drawer__intent-header{justify-content:space-between;align-items:center;display:flex}.student-xray-drawer__intent-label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__intent-percentage{font-family:var(--font-second);font-size:14px;font-weight:700;line-height:17px}.student-xray-drawer__intent-bar{background-color:#f2f2f2;border-radius:4px;height:8px;overflow:hidden}.student-xray-drawer__intent-bar-fill{border-radius:4px;height:100%}.student-xray-drawer__intent-row--color-1 .student-xray-drawer__intent-percentage{color:#6b0a6b}.student-xray-drawer__intent-row--color-1 .student-xray-drawer__intent-bar-fill{background-color:#e047e0}.student-xray-drawer__intent-row--color-2 .student-xray-drawer__intent-percentage{color:#70022e}.student-xray-drawer__intent-row--color-2 .student-xray-drawer__intent-bar-fill{background-color:#e3366f}.student-xray-drawer__intent-row--color-3 .student-xray-drawer__intent-percentage{color:#662014}.student-xray-drawer__intent-row--color-3 .student-xray-drawer__intent-bar-fill{background-color:#ff7450}.student-xray-drawer__intent-row--color-4 .student-xray-drawer__intent-percentage{color:#664306}.student-xray-drawer__intent-row--color-4 .student-xray-drawer__intent-bar-fill{background-color:#ffb233}.student-xray-drawer__intent-row--color-5 .student-xray-drawer__intent-percentage{color:#305001}.student-xray-drawer__intent-row--color-5 .student-xray-drawer__intent-bar-fill{background-color:#91d432}.student-xray-drawer__intent-row--color-6 .student-xray-drawer__intent-percentage{color:#05490b}.student-xray-drawer__intent-row--color-6 .student-xray-drawer__intent-bar-fill{background-color:#36c03c}.student-xray-drawer__intent-row--color-7 .student-xray-drawer__intent-percentage{color:#014d5c}.student-xray-drawer__intent-row--color-7 .student-xray-drawer__intent-bar-fill{background-color:#3ce4f1}.student-xray-drawer__intent-row--color-8 .student-xray-drawer__intent-percentage{color:#0a3366}.student-xray-drawer__intent-row--color-8 .student-xray-drawer__intent-bar-fill{background-color:#4eabff}.topic-ranking-section{background-color:#fff;flex-direction:column;gap:16px;padding:16px 24px;display:flex;overflow:hidden}.topic-ranking-section__header{justify-content:space-between;align-items:flex-start;display:flex}.topic-ranking-section__header-titles{flex-direction:column;gap:8px;display:flex}.topic-ranking-section__title{font-family:var(--font-first);color:#333;margin:0;font-size:22px;font-weight:600;line-height:32px}.topic-ranking-section__subtitle{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:16px;font-weight:400;line-height:24px}.topic-ranking-section__header-actions{flex-shrink:0;align-items:center;display:flex}.topic-ranking-section__view-toggle{background-color:#f2f2f2;border-radius:4px;align-items:center;gap:4px;padding:8px;display:flex}.topic-ranking-section__view-toggle-btn{cursor:pointer;color:#ababab;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:2px;transition:color .2s,background-color .2s;display:flex}.topic-ranking-section__view-toggle-btn .icon--color-default{color:#4e4e4e}.topic-ranking-section__view-toggle-btn--active{color:#333;background-color:#fff}.topic-ranking-section__view-toggle-btn--active .icon--color-default{color:var(--ui-color-brand-fod-primary-a)}.topic-ranking-section__view-toggle-btn--active:hover:not(:disabled) .icon--color-default{color:var(--ui-color-brand-fod-dark)}.topic-ranking-section__view-toggle-btn:disabled{opacity:.5;cursor:not-allowed}.topic-ranking-section__filters-row{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.topic-ranking-section__description{font-family:var(--font-second);color:#4e4e4e;flex:1;min-width:0;margin:0;font-size:16px;font-weight:400;line-height:20px}.topic-ranking-section__filters{flex-shrink:0;gap:8px;display:flex}.topic-ranking-section__filter{flex-direction:column;gap:2px;min-width:242px;display:flex}.topic-ranking-section__filter-label{font-family:var(--font-second);color:#4e4e4e;font-size:16px;font-weight:400;line-height:24px}.topic-ranking-section__list{flex-direction:column;display:flex}.topic-ranking-section__load-more-btn{font-family:var(--font-first);color:var(--color-first);border:1px solid var(--color-first);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-self:center;align-items:center;gap:8px;padding:8px 12px;font-size:18px;font-weight:700;line-height:22px;transition:background-color .2s;display:flex}.topic-ranking-section__load-more-btn:hover{background-color:var(--color-first-alpha)}.topic-ranking-section__load-more-btn .icon--color-default{color:var(--color-first)}.topic-ranking-section__load-more-btn #loading__svg{width:22px;height:22px}.topic-ranking-section__loading{justify-content:center;align-items:center;min-height:200px;display:flex}.topic-ranking-section__empty{font-family:var(--font-second);color:#767676;text-align:center;margin:0;padding:24px 0;font-size:14px}.tutor-usage-chart{border-top:1px solid #e0e0e0;flex-direction:column;gap:16px;padding-top:24px;display:flex}.tutor-usage-chart__header{justify-content:space-between;align-items:flex-start;display:flex}.tutor-usage-chart__header-text{flex-direction:column;gap:4px;display:flex}.tutor-usage-chart__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:24px}.tutor-usage-chart__description{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:400;line-height:20px}.tutor-usage-chart__filter{flex-shrink:0;min-width:180px}.tutor-usage-chart__container{margin-top:16px}.tutor-usage-chart__legend{align-items:center;gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-chart__legend-item{font-family:var(--font-second);color:#4e4e4e;align-items:center;gap:4px;font-size:14px;font-weight:500;line-height:20px;display:flex}.tutor-usage-chart__legend-color{flex-shrink:0;width:28px;height:12px}.unit-metrics-card{align-items:flex-start;gap:24px;width:100%;padding:8px 0;display:flex}.unit-metrics-card__info{flex-direction:column;flex:1;gap:8px;display:flex}.unit-metrics-card__title,.unit-metrics-card__title .text-html *{font-size:18px;font-weight:600;font-family:var(--font-first);color:#4e4e4e;margin:0;line-height:28px}.unit-metrics-card__recommendation-tag{background-color:#fff0f0;border-radius:8px;align-self:flex-start;align-items:center;gap:8px;padding:4px 8px;display:inline-flex}.unit-metrics-card__recommendation-tag--all-good{background-color:#eefaf4}.unit-metrics-card__recommendation-tag--all-good .unit-metrics-card__recommendation-icon,.unit-metrics-card__recommendation-tag--all-good .unit-metrics-card__recommendation-text,.unit-metrics-card__recommendation-tag--all-good .icon{color:#135f3e}.unit-metrics-card__recommendation-icon{color:#ba1f33;font-size:20px}.unit-metrics-card__recommendation-text{font-size:16px;font-weight:500;font-family:var(--font-second);color:#ba1f33;line-height:24px}.unit-metrics-card__progress{flex:4;min-width:0}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:8px 24px;display:flex}.empty-state__icon{border-radius:16px;justify-content:center;align-items:center;width:36px;height:28px;margin-bottom:16px;display:flex}.empty-state__icon--success{background-color:#d7fedb}.empty-state__icon--success .icon--color-default{color:#0a6910}.empty-state__icon--warning{background-color:#fffaea}.empty-state__icon--warning .icon--color-default{color:#d18436}.empty-state__icon--muted{background-color:#f2f2f2}.empty-state__icon--muted .icon--color-default{color:#4e4e4e}.empty-state__icon--info{background-color:#d6f6ff}.empty-state__icon--info .icon--color-default{color:#0f4f99}.empty-state__icon--error{background-color:#ffebe2}.empty-state__icon--error .icon--color-default{color:#992e19}.empty-state__title{font-family:var(--font-first);color:#333;margin:0 0 8px;font-size:16px;font-weight:600;line-height:24px}.empty-state__description{font-family:var(--font-second);color:#333;margin:0;font-size:16px}.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}.prerequisite-progress-bar{--prerequisite-bar-height:6px;--prerequisite-bar-radius:3px;flex-direction:column;gap:4px;display:flex}.prerequisite-progress-bar__name{font-family:var(--font-second);color:#333;font-size:16px;font-weight:500;line-height:24px}.prerequisite-progress-bar__name--clickable{text-align:left;cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:0;text-decoration:underline}.prerequisite-progress-bar__name--clickable:hover{color:#2566c0}.prerequisite-progress-bar__name--clickable:focus-visible{color:#2566c0}.prerequisite-progress-bar__bar-wrapper{padding-top:16px;position:relative}.prerequisite-progress-bar__marker{color:#ababab;line-height:0;position:absolute;top:-1px;transform:translate(-50%)}.prerequisite-progress-bar__marker .icon__wrapper svg{width:12px;height:12px}.prerequisite-progress-bar__bar{height:var(--prerequisite-bar-height);border-radius:var(--prerequisite-bar-radius);background-color:#e0e0e0;overflow:hidden}.prerequisite-progress-bar__bar-fill{height:100%;transition:width .3s}.prerequisite-progress-bar--mastered .prerequisite-progress-bar__bar-fill{background-color:#4adea0}.prerequisite-progress-bar--reviewing .prerequisite-progress-bar__bar-fill{background-color:#facc15}.prerequisite-progress-bar__footer{justify-content:space-between;align-items:center;gap:8px;padding-top:4px;display:flex}.prerequisite-progress-bar__status{font-family:var(--font-second);color:#333;border-radius:16px;padding:2px 8px;font-size:14px;font-weight:500;line-height:24px}.prerequisite-progress-bar__status--mastered{background-color:#cef8ea}.prerequisite-progress-bar__status--reviewing{background-color:#fff1c2}.prerequisite-progress-bar__mastery{font-family:var(--font-second);color:#4e4e4e;font-size:14px;line-height:20px}.prerequisite-progress-bar__mastery strong{font-family:var(--font-second-bold);color:#333}