@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}.chat-audio-recorder{background:var(--color-tangerine-ai,#bc3ebc);border-radius:24px;width:100%;min-height:40px;position:relative;overflow:hidden}.chat-audio-recorder__content{z-index:1;color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:4px 12px;display:flex;position:relative}.chat-audio-recorder__waves{flex:1;align-items:center;gap:3px;height:30px;margin-right:8px;display:inline-flex}.chat-audio-recorder__waves span{background:rgba(255,255,255,.95);border-radius:2px;width:4px;height:4px}.chat-audio-recorder__actions{flex-shrink:0;align-items:center;gap:8px;display:inline-flex}.chat-audio-recorder__icon-btn{cursor:pointer;background:#f9f9f9;border:1px solid #f2f2f2;border-radius:50%;place-items:center;width:24px;height:24px;padding:0;transition:all .2s ease-in-out;display:grid}.chat-audio-recorder__icon-btn--white{background:#fff;border:1px solid #f2f2f2;box-shadow:0 1px 2px rgba(0,0,0,.08)}.chat-audio-recorder__icon-btn svg{width:16px;height:16px}.chat-audio-recorder__icon-btn:not(:disabled):hover{background:#f2f2f2;border:1px solid #e0e0e0}.chat-audio-recorder__icon-btn:not(:disabled):active{background:#f9f9f9;transform:translateY(0);box-shadow:inset 0 3px rgba(224,224,224,.7)}.chat-audio-recorder__icon-btn:disabled{cursor:not-allowed;background:#f2f2f2;transform:none;box-shadow:0 1px 2px rgba(0,0,0,.05)}.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(--color-tangerine-ai,#bc3ebc);outline-offset:2px}.chat-icon-button--disabled{opacity:.5;cursor:not-allowed}.chat-link{color:var(--color-tangerine-ai,#bc3ebc);cursor:pointer;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.chat-link:hover{color:var(--color-tangerine-ai,#bc3ebc);text-decoration:underline}.chat-link:active{color:var(--color-tangerine-ai-dark,#741571);text-decoration:underline}.chat-link:focus{outline:2px solid var(--color-tangerine-ai,#bc3ebc);outline-offset:2px;border-radius:2px}.chat-link:focus-visible{outline:2px solid var(--color-tangerine-ai,#bc3ebc);outline-offset:2px;border-radius:2px}.chat-link:focus:not(:focus-visible){outline:none}.chat-link--disabled{color:var(--color-tangerine-ai,#bc3ebc);opacity:.5;cursor:not-allowed;pointer-events:none;text-decoration:none}.chat-link--disabled:hover{text-decoration:none}.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)}}.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(--color-tangerine-ai,#bc3ebc)}.topic-ranking-section__view-toggle-btn--active:hover:not(:disabled) .icon--color-default{color:var(--color-tangerine-ai-dark,#741571)}.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-stat-card{gap:var(--ui-space-xs);padding:var(--ui-space-xs)var(--ui-space-md);border:var(--ui-stroke-1)solid var(--ui-color-stroke-primary);border-radius:var(--ui-radius-xl);background-color:var(--ui-color-bg-container-primary);flex-direction:column;display:flex}.tutor-usage-stat-card__header{justify-content:space-between;align-items:center;display:flex}.tutor-usage-stat-card__icon{width:var(--ui-size-5xl);height:var(--ui-size-5xl);border-radius:var(--ui-radius-xl);justify-content:center;align-items:center;display:flex}.tutor-usage-stat-card__icon--purple{background-color:var(--ui-color-purple-100)}.tutor-usage-stat-card__icon--purple .icon--color-default{color:var(--ui-color-purple-500)}.tutor-usage-stat-card__icon--blue{background-color:var(--ui-color-blue-100)}.tutor-usage-stat-card__icon--blue .icon--color-default{color:var(--ui-color-blue-500)}.tutor-usage-stat-card__icon--orange{background-color:var(--ui-color-orange-100)}.tutor-usage-stat-card__icon--orange .icon--color-default{color:var(--ui-color-orange-500)}.tutor-usage-stat-card__icon--green{background-color:var(--ui-color-green-100)}.tutor-usage-stat-card__icon--green .icon--color-default{color:var(--ui-color-green-500)}.tutor-usage-stat-card__info-icon{cursor:help;opacity:.5;align-items:center;display:flex}.tutor-usage-stat-card__info-icon:hover{opacity:.8}.tutor-usage-stat-card__label{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-text-secondary);margin:0;margin-top:var(--ui-space-xs)}.tutor-usage-stat-card__value{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-bold);line-height:var(--ui-line-height-26);color:var(--ui-color-text-default);margin:0}.tutor-usage-stat-card__subtitle{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-text-tertiary);margin:0}.tutor-usage-stat-card__trend{align-items:center;gap:var(--ui-space-xxs);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-18);margin:0;margin-top:var(--ui-space-xs);display:flex}.tutor-usage-stat-card__trend .icon__wrapper{margin-right:var(--ui-space-xs)}.tutor-usage-stat-card__trend .icon__wrapper svg{width:var(--ui-size-xxl);height:var(--ui-size-xxl)}.tutor-usage-stat-card__trend--positive,.tutor-usage-stat-card__trend--positive .icon--color-success,.tutor-usage-stat-card__trend--positive .tutor-usage-stat-card__trend-text{color:var(--ui-color-green-600)}.tutor-usage-stat-card__trend--negative,.tutor-usage-stat-card__trend--negative .icon--color-red,.tutor-usage-stat-card__trend--negative .tutor-usage-stat-card__trend-text{color:var(--ui-color-red-600)}.tutor-usage-stat-card__trend--neutral,.tutor-usage-stat-card__trend--neutral .tutor-usage-stat-card__trend-text{color:var(--ui-color-text-tertiary)}.tutor-usage-stat-card__trend-text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-semibold);color:var(--ui-color-text-tertiary);margin-left:var(--ui-space-xxs)}.tutor-usage-stat-card__trend-text--na{margin-left:0}.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 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16px;display:flex}.unit-recommendations-card__no-recommendations{font-size:16px;font-weight:500;font-family:var(--font-second);color:#828282;margin:0;line-height:24px}.teacher-analytics-view__loading{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:400px;display:flex}.teacher-analytics-view__loading p{color:#767676;font-size:14px}.teacher-analytics-view__error{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:400px;display:flex}.teacher-analytics-view__error p{color:#dc3545;max-width:500px;font-size:14px}.teacher-analytics-view__header-container{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.teacher-analytics-view__header-container .teacher-analytics-view__class-selector{min-width:200px;max-width:300px;margin-left:auto}.teacher-analytics-view__subject-selector{min-width:200px;max-width:300px}.teacher-analytics-view__units-grid{flex-direction:column;gap:16px;width:100%;display:flex}.teacher-analytics-view__sections-container{flex-direction:column;gap:16px;display:flex}.teacher-analytics-view__section-separator{border-bottom:1px solid #eee4dc;margin:16px 0}.teacher-analytics-view__recommendations{gap:var(--spacing-lg);flex-direction:column;width:100%;display:flex}.teacher-analytics-view__section{display:block}.teacher-analytics-view__section-title{color:#333;font-size:22px;font-weight:700;font-family:var(--font-first);margin:0 0 24px}.teacher-analytics-view__legend{justify-content:flex-end;gap:24px;margin-top:16px;display:flex}.teacher-analytics-view__legend-item{align-items:center;gap:8px;display:flex}.teacher-analytics-view__legend-color{border-radius:4px;flex-shrink:0;width:16px;height:16px}.teacher-analytics-view__legend-color--mastered{background-color:#0095a2}.teacher-analytics-view__legend-color--in-progress{background-color:#00b4c5}.teacher-analytics-view__legend-color--not-started{background-color:#d4fbff}.teacher-analytics-view__legend-text{font-size:14px;font-weight:500;font-family:var(--font-second);color:#4e4e4e;line-height:1}.multi-select-checkbox{width:100%}.multi-select-checkbox__badge{background-color:#f9f9f9;border:1px solid #f2f2f2;border-radius:16px;align-items:center;gap:8px;max-width:180px;margin:2px;padding:4px 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.chat-checkbox{pointer-events:none}.multi-select-checkbox__option .chat-checkbox__custom{border-color:#ababab;border-radius:2px;width:18px;height:18px}.multi-select-checkbox__option .chat-checkbox__text{font-family:var(--font-second);color:#4e4e4e;font-size:16px;font-weight:500;line-height:24px}.multi-select-checkbox .select-customizable__control{flex-wrap:nowrap}.multi-select-checkbox .select-customizable__value-container{flex-wrap:nowrap;flex:auto;align-items:center;min-width:0;display:flex;position:relative;overflow:hidden}.multi-select-checkbox .select-customizable__placeholder{white-space:nowrap;text-overflow:ellipsis;min-width:0;position:static;overflow:hidden;transform:none}.multi-select-checkbox .select-customizable__indicators{flex-shrink:0}.multi-select-checkbox .select-customizable__menu-list{border-radius:4px;padding:0}.multi-select-checkbox .select-customizable__menu-list>.multi-select-checkbox__option:last-child{border-bottom:none}.multi-select-checkbox .select-customizable__option{background-color:transparent!important;padding:0!important}.multi-select-checkbox .select-customizable__option:hover,.multi-select-checkbox .select-customizable__option--is-focused{color:inherit!important;background-color:#f9f9f9!important}.multi-select-checkbox .select-customizable__option--is-selected{background-color:transparent!important}.education-year-selector .select-customizable__label{margin-bottom:8px}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}