@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-image-modal-container{border-radius:var(--border-radius-01);background-color:var(--color-background-secondary);justify-content:center;align-items:center;width:100%;min-height:300px;padding:20px;display:flex;position:relative}.chat-image-modal-container .chat-image-modal__image{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:calc(80vh - 200px);display:block}.chat-image-modal-container .chat-image-modal__download-button{background-color:var(--color-background-primary);border:1px solid var(--color-border);border-radius:var(--border-radius-01);cursor:pointer;opacity:.9;z-index:10;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex;position:absolute;top:20px;right:20px}.chat-image-modal-container .chat-image-modal__download-button:hover{background-color:var(--color-background-hover);opacity:1;transform:scale(1.05)}.chat-image-modal-container .chat-image-modal__download-button:active{transform:scale(.95)}.chat-image-modal-container .chat-image-modal__download-button svg{color:var(--color-text-primary);width:20px;height:20px}@media (max-width:768px){.chat-image-modal-container{padding:10px}.chat-image-modal-container .chat-image-modal__image{max-height:calc(90vh - 150px)}.chat-image-modal-container .chat-image-modal__download-button{padding:6px;top:10px;right:10px}.chat-image-modal-container .chat-image-modal__download-button svg{width:18px;height:18px}}.chat-badge{border-radius:16px;align-items:center;gap:4px;padding:4px 8px;font-size:14px;display:inline-flex}.chat-badge__emoji{font-size:inherit}.chat-badge__text{font-family:var(--font-second);color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:600;line-height:26px}.chat-badge--practice{background-color:#d6f6ff}.chat-badge--practice .chat-badge__text{color:#0a3366}.chat-badge--study{background-color:#ffe8ff}.chat-badge--study .chat-badge__text{color:#6b0a6b}.chat-badge--revision{background-color:#fff3e0}.chat-badge--revision .chat-badge__text{color:#e65100}.feedback-status-modal{--feedback-status-modal-mascot-width:3rem;--feedback-status-modal-mascot-height:3.5rem}.feedback-status-modal__content{align-items:center;gap:var(--ui-space-sm);padding:var(--ui-space-md);text-align:center;flex-direction:column;display:flex}.feedback-status-modal__mascot{width:var(--feedback-status-modal-mascot-width);height:var(--feedback-status-modal-mascot-height);background-position:50%;background-repeat:no-repeat;background-size:contain}.feedback-status-modal__mascot--success{background-image:var(--tangerine-ai-bot-happy)}.feedback-status-modal__mascot--error{background-image:var(--tangerine-ai-bot-disconnected)}.feedback-status-modal__title{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-32);color:var(--ui-color-neutral-grey-900);margin:0}.feedback-status-modal__description{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-regular);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900);margin:0}.quadrant-chart{--quadrant-chart-gutter:40px;padding:var(--quadrant-chart-gutter);min-height:600px;position:relative}.quadrant-chart--loading{justify-content:center;align-items:center;display:flex}.quadrant-chart__corner-label{font-family:var(--font-second);color:#333;white-space:nowrap;z-index:2;border-radius:16px;padding:4px 8px;font-size:14px;font-weight:500;line-height:20px;position:absolute}.quadrant-chart__corner-label--top-left{top:calc(var(--quadrant-chart-gutter)/2);background-color:#ffebe2;left:0;transform:translateY(-50%)}.quadrant-chart__corner-label--top-right{top:calc(var(--quadrant-chart-gutter)/2);background-color:#d7fedb;right:0;transform:translateY(-50%)}.quadrant-chart__corner-label--bottom-left{bottom:calc(var(--quadrant-chart-gutter)/2);background-color:#ffeaed;left:0;transform:translateY(50%)}.quadrant-chart__corner-label--bottom-right{bottom:calc(var(--quadrant-chart-gutter)/2);background-color:#d6f6ff;right:0;transform:translateY(50%)}.quadrant-chart__axis-horizontal{top:50%;left:var(--quadrant-chart-gutter);right:var(--quadrant-chart-gutter);z-index:1;background-color:#767676;height:1px;position:absolute}.quadrant-chart__axis-vertical{left:50%;top:var(--quadrant-chart-gutter);bottom:var(--quadrant-chart-gutter);z-index:1;background-color:#767676;width:1px;position:absolute}.quadrant-chart__axis-label{font-family:var(--font-second);color:#4e4e4e;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;z-index:2;background-color:#f9f9f9;align-items:center;gap:4px;padding:8px 0;font-size:12px;font-weight:700;line-height:18px;display:flex;position:absolute}.quadrant-chart__axis-label .icon__wrapper{flex-shrink:0}.quadrant-chart__axis-label--x-negative{top:50%;left:calc(var(--quadrant-chart-gutter)/2);transform:translate(-50%,-50%)rotate(-90deg)}.quadrant-chart__axis-label--x-positive{top:50%;right:calc(var(--quadrant-chart-gutter)/2);transform:translate(50%,-50%)rotate(-90deg)}.quadrant-chart__axis-label--y-positive{left:50%;top:calc(var(--quadrant-chart-gutter)/2);transform:translate(-50%,-50%)}.quadrant-chart__axis-label--y-negative{left:50%;bottom:calc(var(--quadrant-chart-gutter)/2);transform:translate(-50%,50%)}.quadrant-chart__area{height:calc(600px - var(--quadrant-chart-gutter)*2);z-index:3;width:100%;position:relative}.quadrant-chart__cluster{-webkit-appearance:none;appearance:none;cursor:pointer;background:0 0;border:none;border-radius:60px;justify-content:center;align-items:center;padding:0;display:flex;position:absolute}.quadrant-chart__cluster--single .avatar{width:48px;height:48px}.quadrant-chart__cluster--multi{background-color:#333;border:2px solid #fff}.quadrant-chart__cluster-count{font-family:var(--font-second);color:#fff;font-size:16px;font-weight:700;line-height:24px}.empty-state{padding:var(--ui-space-xs)var(--ui-space-lg);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state__icon{border-radius:var(--ui-radius-xxl);margin-bottom:var(--ui-space-md);justify-content:center;align-items:center;width:36px;height:28px;display:flex}.empty-state__icon--success{background-color:var(--ui-color-comp-green-200)}.empty-state__icon--success .icon--color-default{color:var(--ui-color-comp-green-700)}.empty-state__icon--warning{background-color:var(--ui-color-yellow-100)}.empty-state__icon--warning .icon--color-default{color:var(--ui-color-orange-400)}.empty-state__icon--muted{background-color:var(--ui-color-neutral-grey-200)}.empty-state__icon--muted .icon--color-default{color:var(--ui-color-neutral-grey-600)}.empty-state__icon--info{background-color:var(--ui-color-comp-blue-100)}.empty-state__icon--info .icon--color-default{color:var(--ui-color-blue-600)}.empty-state__icon--error{background-color:var(--ui-color-orange-100)}.empty-state__icon--error .icon--color-default{color:var(--ui-color-orange-800)}.empty-state__icon--neutral{background-color:var(--ui-color-orange-200)}.empty-state__icon--neutral .icon--color-default{color:var(--ui-color-orange-800)}.empty-state__icon--strengths{background-color:var(--ui-color-darkgreen-200)}.empty-state__icon--strengths .icon--color-default{color:var(--ui-color-darkgreen-800)}.empty-state__title{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-semibold);color:var(--ui-color-neutral-grey-700);margin:0 0 var(--ui-space-xs);line-height:var(--ui-line-height-24)}.empty-state__description{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);color:var(--ui-color-neutral-grey-700);margin:0}.prerequisite-list{flex-direction:column;gap:8px;display:flex}.prerequisite-list__description{font-family:var(--font-second);color:#4e4e4e;background-color:#f9f9f9;border-radius:8px;margin:0;padding:8px;font-size:14px;line-height:20px}.prerequisite-list__description strong{font-family:var(--font-second-bold)}.prerequisite-list__items{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.prerequisite-list__item{flex-direction:column;gap:4px;display:flex}.prerequisite-list__item:not(:last-child){border-bottom:1px solid #e0e0e0;padding-bottom:8px}.text-input-or-lesson-selector{width:100%;position:relative}.text-input-or-lesson-selector__label{margin-bottom:8px;display:block}.text-input-or-lesson-selector__label sup{color:var(--ui-color-text-error)}.text-input-or-lesson-selector__content{width:100%}.text-input-or-lesson-selector__lessons-list{flex-direction:column;gap:8px;display:flex}.text-input-or-lesson-selector__add-more-container{direction:row;justify-content:space-between;display:flex}.text-input-or-lesson-selector__add-more{align-self:flex-start;padding:4px 0;font-size:14px}.text-input-or-lesson-selector__error-message{color:var(--ui-color-text-error);font-family:var(--font-second);margin-top:8px;font-size:16px;font-style:normal;font-weight:500;line-height:24px}.text-input-mode{border-radius:8px;width:100%}.text-input-mode__textarea-wrapper{border:1px solid var(--Grays-Gray-05,#e0e0e0);border-bottom:none;border-top-left-radius:8px;border-top-right-radius:8px;width:100%;position:relative;overflow:hidden}.text-input-mode__textarea-wrapper textarea{border-bottom-right-radius:0;border-bottom-left-radius:0}.text-input-mode__textarea-wrapper .textarea{width:100%}.text-input-mode__textarea-wrapper .textarea__input{resize:vertical;border:none;border-radius:0;min-height:58px;max-height:150px;overflow-y:auto}.text-input-mode__footer{border:1px solid var(--Grays-Gray-05,#e0e0e0);background:var(--Grays-Gray-07,#f9f9f9);border-radius:0 0 8px 8px;align-items:center;gap:36px;padding-right:8px;display:flex}.text-input-mode__choose-button{padding:0 12px;font-size:14px;text-decoration:none;transition:opacity .2s}.text-input-mode__counter{color:#4e4e4e;white-space:nowrap;font-size:14px}.text-input-mode--error .text-input-mode__textarea-wrapper{border-color:var(--ui-color-stroke-form-error)}.text-input-mode--error .text-input-mode__footer{background:var(--ui-color-notification-error-bg);border-color:var(--ui-color-stroke-form-error)}.text-input-mode--error .text-input-mode__choose-button{opacity:.4;pointer-events:none}.text-input-mode--error .text-input-mode__counter{color:var(--ui-color-text-error)}.lesson-selected-card{border:1px solid var(--color-border);background-color:var(--color-background-light);border-radius:8px;width:100%;padding:12px;transition:all .2s}.lesson-selected-card__content{justify-content:space-between;align-items:center;gap:12px;display:flex}.lesson-selected-card__content-wrapper{align-items:center;gap:12px;display:flex}.lesson-selected-card__icon-wrapper{background-color:var(--color-first);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;padding:8px;display:flex}.lesson-selected-card__icon-wrapper svg{width:32px;height:32px}.lesson-selected-card__icon{color:#fff;width:24px;height:24px}.lesson-selected-card__info{flex:1;min-width:0}.lesson-selected-card__title{color:#333;font-size:16px;font-weight:500;line-height:24px;font-family:var(--font-second);text-overflow:ellipsis;white-space:nowrap;margin:0 0 2px;overflow:hidden}.lesson-selected-card__context{color:#767676;text-overflow:ellipsis;white-space:nowrap;margin:0 0 2px;font-size:12px;overflow:hidden}.lesson-selected-card__meta{color:#767676;margin:0;font-size:14px;font-weight:500;line-height:24px}.lesson-selected-card__remove{cursor:pointer;color:var(--color-text-secondary);background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;padding:0;transition:all .2s;display:flex}.lesson-selected-card__remove:hover{background-color:var(--color-danger-light);color:var(--color-danger)}.lesson-selected-card__remove .icon{width:16px;height:16px}.lesson-selected-card__error{background:#f9f9f9;border:1px solid #e0e0e0}.lesson-selected-card__error .lesson-selected-card__title{color:#767676}.lesson-selected-card__error-message{color:var(--ui-color-text-error);font-family:var(--font-second);margin-top:8px;font-size:16px;font-style:normal;font-weight:500;line-height:24px}.lesson-selection-dialog .dialog__content{max-height:400px}.lesson-selection-dialog__section{margin-bottom:20px}.lesson-selection-dialog__section:last-child{margin-bottom:0}.lesson-selection-dialog__section-label{font-family:var(--font-second);color:#767676;text-transform:uppercase;margin-bottom:8px;font-size:14px;font-weight:700;line-height:normal;display:block}.lesson-selection-dialog__search{border:1px solid var(--Grays-Gray-05,#e0e0e0);background:#f9f9f9;border-radius:8px 8px 0 0;padding:12px 16px;position:relative}.lesson-selection-dialog__search-input{border:1px solid var(--Grays-Gray-05,#e0e0e0);font-family:var(--font-second);color:#333;background:#fff;border-radius:8px;outline:none;width:100%;padding:10px 40px 10px 12px;font-size:14px;transition:border-color .2s}.lesson-selection-dialog__search-input::placeholder{color:#ababab}.lesson-selection-dialog__search-input:focus{border-color:var(--color-first)}.lesson-selection-dialog__search-icon{color:#ababab;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex;position:absolute;top:50%;right:24px;transform:translateY(-50%)}.lesson-selection-dialog__search-icon svg{width:18px;height:18px}.lesson-selection-dialog__tree{border-left:1px solid var(--Grays-Gray-05,#e0e0e0);border-right:1px solid var(--Grays-Gray-05,#e0e0e0);max-height:320px;overflow-y:auto}.lesson-selection-dialog__loading{color:#767676;justify-content:center;align-items:center;min-height:60px;padding:20px;font-size:14px;display:flex}.lesson-selection-dialog__empty{text-align:center;color:#767676;padding:20px;font-size:14px}.lesson-selection-dialog__unit{border-bottom:1px solid var(--Grays-Gray-05,#e0e0e0)}.lesson-selection-dialog__unit:last-child{border-bottom:none}.lesson-selection-dialog__unit-row{cursor:pointer;align-items:center;gap:12px;padding:12px 16px;transition:background-color .15s;display:flex}.lesson-selection-dialog__unit-row:hover{background-color:rgba(var(--color-first),.04)}.lesson-selection-dialog__unit-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.lesson-selection-dialog__unit-name{font-family:var(--font-second);color:#4e4e4e;text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:700;line-height:24px;overflow:hidden}.lesson-selection-dialog__unit-counter{font-family:var(--font-second);color:#767676;text-transform:uppercase;letter-spacing:.3px;font-size:14px;font-weight:700;line-height:normal}.lesson-selection-dialog__unit-chevron{color:#767676;flex-shrink:0}.lesson-selection-dialog__unit-chevron svg{width:16px;height:16px}.lesson-selection-dialog__lessons{padding:0 16px 8px}.lesson-selection-dialog__lesson-row{cursor:pointer;border-radius:6px;align-items:center;gap:12px;padding:8px 12px;transition:background-color .15s;display:flex}.lesson-selection-dialog__lesson-row:hover{background-color:rgba(var(--color-first),.04)}.lesson-selection-dialog__lesson-row--selected{background-color:rgba(var(--color-first),.08)}.lesson-selection-dialog__lesson-name{font-family:var(--font-second);color:#333;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;line-height:20px;overflow:hidden}.lesson-selection-dialog__checkbox{cursor:pointer;background-color:#fff;border:2px solid #e0e0e0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;padding:0;transition:all .2s;display:flex}.lesson-selection-dialog__checkbox svg{width:12px;height:12px}.lesson-selection-dialog__checkbox--checked{background-color:var(--color-first);border-color:var(--color-first)}.lesson-selection-dialog__checkbox--indeterminate{border-color:var(--color-first);background-color:#fff}.lesson-selection-dialog__checkbox--unchecked:hover{border-color:var(--color-first);background-color:rgba(var(--color-first),.05)}.lesson-selection-dialog__checkbox-indeterminate{background-color:var(--color-first);border-radius:1px;width:10px;height:3px}.lesson-selection-dialog__actions{border:1px solid var(--Grays-Gray-05,#e0e0e0);background:#f9f9f9;border-radius:0 0 8px 8px;justify-content:flex-end;align-items:center;gap:16px;padding:12px 8px;display:flex}.lesson-selection-dialog__actions .button:disabled,.lesson-selection-dialog__actions .button[disabled]{color:#ababab;opacity:.6;background:0 0}.lesson-selection-dialog__footer-count{font-family:var(--font-second);color:#4e4e4e;white-space:nowrap;font-size:16px;font-weight:700;line-height:26px}.lesson-selection-dialog__field{margin-bottom:20px}.lesson-selection-dialog__field:last-child{margin-bottom:0}.lesson-selection-dialog__no-lessons{text-align:center;color:var(--color-text-secondary);background-color:var(--color-background-light);border-radius:8px;padding:20px;font-size:14px}.lesson-selection-dialog__error-title{color:var(--ui-color-text-error);font-family:var(--font-second);font-size:14px;font-style:normal;font-weight:500;line-height:20px}.lesson-selection-dialog__error-message{color:var(--ui-color-text-error);font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:24px}.ai-quiz-section{padding-top:12px;position:relative}.ai-quiz-section .form-field__label{font-size:16px;line-height:24px}.ai-quiz-section .helper-text{line-height:20px}.ai-quiz-section .form-field__label sup{vertical-align:super}.ai-quiz-section__label{z-index:2;margin-bottom:-12px;padding-left:8px;position:relative}.ai-quiz-section__badge{color:#333;font-family:var(--font-first);background-color:#f2f2f2;border-radius:4px;align-items:center;gap:4px;padding:4px 8px;font-size:14px;font-weight:700;display:inline-flex}.ai-quiz-section__description{font-family:var(--font-second);color:#333;margin-bottom:16px;font-size:18px;line-height:27px}.ai-quiz-section__content{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:16px;position:relative}.ai-quiz-section__fields{flex-direction:column;gap:24px;display:flex}.ai-quiz-section__row{gap:24px;display:flex}@media screen and (max-width:768px){.ai-quiz-section__row{flex-direction:column}}.ai-quiz-section__field{flex-direction:column;gap:8px;display:flex}.ai-quiz-section__field--half{flex:1}.activity-type-selector{flex-direction:column;gap:8px;display:flex}.activity-type-selector__label sup{color:#e04949}.activity-type-selector__hint{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:20px}