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.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}.chat-message{margin-bottom:10px;display:block;position:relative}.chat-bubble{gap:8px;margin-bottom:0;display:flex}.chat-bubble__avatar{background-color:transparent;background-image:var(--tangerine-ai-bot);background-position:50%;background-repeat:no-repeat;background-size:cover;border-radius:0%;flex-shrink:0;justify-content:center;align-self:flex-end;align-items:center;width:32px;height:32px;margin-bottom:0;display:flex;overflow:hidden}.chat-bubble__avatar--error{background-image:var(--tangerine-ai-bot-error)}.chat-bubble__content{flex-direction:column;flex:1;align-items:flex-start;gap:8px;display:flex}.chat-bubble__message-group{flex-direction:column;align-items:flex-start;width:100%;display:flex}.chat-bubble__message{word-wrap:break-word;color:#333;border:1px solid #e0e0e0;border-radius:8px;flex:1;font-size:16px;line-height:24px}.chat-bubble__message-content{padding:8px}.chat-bubble__message .markdown-container p{margin-bottom:.5rem}.chat-bubble__message .markdown-container p:last-child{margin-bottom:0}.chat-bubble__message .chat-d3-card{width:100%}.chat-bubble__message .chat-d3-card:first-child{margin-top:0}.chat-bubble__message .chat-d3-card:last-child{margin-bottom:0}.chat-bubble__image{margin-bottom:8px;padding:0 8px}.chat-bubble__image img{cursor:pointer;border-radius:8px;max-width:100%;max-height:300px;display:block}.chat-bubble__attachments{flex-direction:column;gap:8px;display:flex}.chat-bubble__attachments .chat-bubble__image{margin-bottom:0}.chat-bubble--bot .chat-bubble__content,.chat-bubble--bot .chat-bubble__message-group{width:100%}.chat-bubble--bot .chat-bubble__message{background-color:#fff;border-radius:8px 8px 8px 0;width:100%}.chat-bubble--user{flex-direction:row-reverse}.chat-bubble--user .chat-bubble__content{flex-direction:column;align-items:flex-end;display:flex}.chat-bubble--user .chat-bubble__message-group{align-self:flex-end;width:auto;max-width:80%}.chat-bubble--user .chat-bubble__message{background-color:var(--ui-color-brand-fod-lighter);border:1px solid var(--ui-color-brand-fod-light);color:#333;border-radius:8px 8px 0;width:100%}.chat-bubble--just-posted .chat-bubble__message{border-style:solid;border-width:1px;border-image:linear-gradient(111.12deg,var(--ui-color-brand-fod-primary-a)12.58%,var(--ui-color-brand-fod-dark)100%)1}.chat-bubble__tool-indicators{flex-direction:column;gap:8px;width:100%;display:flex}.chat-message__bubble--error .chat-bubble__message{background:#fef0ef;border:1px solid #e04949}.chat-message--streaming .chat-bubble__content .typing-indicator{background-color:#fff;border:1px solid #f2f2f2;border-radius:8px 8px 8px 0;width:100%;padding:12px 16px}.chat-message__actions{align-items:center;gap:8px;margin-top:4px;margin-left:40px;display:flex}.chat-message__audio-button--loading{opacity:.6;cursor:wait}.chat-message--highlighted .chat-bubble--user .chat-bubble__message{border-color:#e04949}.chat-message__flag-button{transition:all .2s}.chat-message__flag-button--flagged{opacity:.7;cursor:default}.chat-message__flag-button--flagged:hover{opacity:.7}.chat-dropdown{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;flex-direction:column;animation:.2s ease-out slideDown;display:flex;box-shadow:0 5px 20px rgba(169,155,144,.2)}.chat-dropdown__header{border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:flex-start;padding:8px 16px;display:flex}.chat-dropdown__header-content{flex:1}.chat-dropdown__title{color:#333;font-size:18px;font-weight:600;line-height:28px;font-family:var(--font-first);letter-spacing:normal;margin:0}.chat-dropdown__subtitle{color:#767676;font-size:18px;font-weight:500;line-height:24px;font-family:var(--font-second);letter-spacing:normal;margin:0}.chat-dropdown__content{flex:1;min-height:60px;max-height:60vh;padding:0 8px;overflow-x:hidden;overflow-y:auto}.chat-dropdown__footer{border-top:1px solid #e0e0e0;padding:12px 16px}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.chatbot{border-left:var(--ui-stroke-1)solid var(--ui-color-brand-fod-primary-b,var(--ui-color-brand-fod-primary-a));background-color:#fff;flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.chatbot__header{background-color:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chatbot__header-left{position:relative}.chatbot__header-wrapper{flex-shrink:0;position:relative}.chatbot__history-button{color:#4e4e4e;cursor:pointer;background:0 0;border:none;border-radius:16px;align-items:center;gap:6px;padding:6px 12px;font-size:16px;transition:background-color 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16px;font-size:14px;position:absolute;transform:translate(-50%,24px);box-shadow:0 2px 8px rgba(51,51,51,.15)}.chatbot__drag-overlay-text--invalid{color:#333;background-color:#fff;border:1px solid #e04949;align-items:center;gap:8px;padding:4px 8px;display:flex;box-shadow:0 5px 20px rgba(169,155,144,.2)}.chatbot__input-container{z-index:10;background-color:#fff;border-top:1px solid #e0e0e0;flex-direction:column;flex-shrink:0;gap:8px;width:100%;min-height:72px;margin-top:auto;padding:16px 8px;display:flex;position:-webkit-sticky;position:sticky;bottom:0}.chatbot__disclaimer{font-family:var(--font-second);color:#767676;margin:0;padding-left:4px;font-size:12px;line-height:18px}.practice-scope-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}.practice-scope-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}.practice-scope-tag{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.generating-robot{--generating-robot-image-size:8.125rem;justify-content:center;align-items:center;display:flex}.generating-robot__image{width:var(--generating-robot-image-size);height:var(--generating-robot-image-size);background-image:var(--tangerine-ai-bot-generating);background-position:50%;background-repeat:no-repeat;background-size:contain;max-width:100%;animation:3s 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var(--ui-color-neutral-grey-200)}.practice-mascot-dialog__content{align-items:center;gap:var(--ui-space-xs);display:flex}.practice-mascot-dialog__mascot{width:var(--practice-mascot-dialog-mascot-width);height:var(--practice-mascot-dialog-mascot-height);background-image:var(--practice-mascot-dialog-mascot-image);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.practice-mascot-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}.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 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.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}.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}.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 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