.base-chatbot{transition:grid-template-columns var(--chatbot-transition-duration)cubic-bezier(.19,1,.22,1);grid-template-rows:100vh;grid-template-columns:1fr 0;width:100%;height:100vh;display:grid;position:relative;overflow:hidden}.base-chatbot.base-chatbot--resizing,.base-chatbot.base-chatbot--resizing .base-chatbot__container>*{transition:none}.base-chatbot__container{grid-column:1;width:100%;min-width:0;position:relative;overflow-x:hidden;overflow-y:auto}.base-chatbot__container>*{transition:width var(--chatbot-transition-duration)cubic-bezier(.19,1,.22,1);width:100%}.base-chatbot__chatbot{width:var(--chatbot-width);max-width:var(--chatbot-width);background-color:var(--chatbot-background);color:var(--chatbot-text-color);box-shadow:var(--chatbot-box-shadow);opacity:0;transition:transform var(--chatbot-transition-duration)cubic-bezier(.19,1,.22,1),opacity var(--chatbot-transition-duration)cubic-bezier(.19,1,.22,1),width 0s;will-change:transform,opacity;z-index:100;flex-direction:column;grid-column:2;min-width:0;height:100%;display:flex;position:relative;overflow:hidden;transform:translate(100%)}.base-chatbot__chatbot>*{flex-direction:column;height:100%;display:flex}.base-chatbot__chatbot>* .chatbot__content{flex-direction:column;flex:1;display:flex;overflow:hidden}.base-chatbot__chatbot>* .chatbot__content .chat-messages{flex:1;overflow-y:auto}.base-chatbot__chatbot>* .chatbot__content .chatbot__input-container{flex-shrink:0;margin-top:auto}.base-chatbot__button-container{z-index:101;bottom:var(--chatbot-button-bottom);right:var(--chatbot-button-right);opacity:1;transition:opacity .3s ease-in-out,right var(--chatbot-transition-duration)cubic-bezier(.19,1,.22,1);position:fixed}.base-chatbot__button-container--hidden{opacity:0;pointer-events:none}.base-chatbot--enabled{grid-template-columns:1fr var(--chatbot-width)}.base-chatbot--enabled .base-chatbot__chatbot{opacity:1;transform:translate(0)}.base-chatbot--enabled .base-chatbot__button-container:not(.base-chatbot__button-container--hidden){right:calc(var(--chatbot-width) + var(--chatbot-button-right))}.base-chatbot.chatbot-closing{grid-template-columns:1fr 0}.base-chatbot.chatbot-closing .base-chatbot__chatbot{opacity:0;transform:translate(100%)}.base-chatbot.chatbot-closing .base-chatbot__button-container:not(.base-chatbot__button-container--hidden){right:var(--chatbot-button-right)}.base-chatbot__chatbot:focus-within{outline:none}.base-chatbot__chatbot{contain:layout style}.base-chatbot--enabled{--chatbot-is-open:1}.base-chatbot__resize-overlay{z-index:9999;cursor:col-resize;-webkit-user-select:none;user-select:none;background-color:transparent;position:fixed;top:0;bottom:0;left:0;right:0}.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}}.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:#e04949}.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:#e04949;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:#ed6a6a}.text-input-mode--error .text-input-mode__footer{background:rgba(246,104,104,.05);border-color:#ed6a6a}.text-input-mode--error .text-input-mode__choose-button{opacity:.4;pointer-events:none}.text-input-mode--error .text-input-mode__counter{color:#ba1f33}.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:#e04949;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:#e04949;font-family:var(--font-second);font-size:14px;font-style:normal;font-weight:500;line-height:20px}.lesson-selection-dialog__error-message{color:#e04949;font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:24px}.practice-more-menu{--practice-more-menu-min-width:11rem;--practice-more-menu-trigger-height:2.5rem;display:inline-block;position:relative}.practice-more-menu__trigger{height:var(--practice-more-menu-trigger-height);color:var(--ui-color-brand-fod-primary-a);background-color:var(--ui-color-neutral-white);border:1px solid var(--ui-color-brand-fod-primary-a);border-radius:var(--ui-radius-xl);cursor:pointer;align-items:stretch;padding:0;transition:color .2s ease-in-out,background-color .2s ease-in-out,border-color .2s ease-in-out;display:inline-flex}.practice-more-menu__trigger:hover:not(:disabled),.practice-more-menu__trigger--open{background-color:var(--ui-color-brand-fod-lighter)}.practice-more-menu__trigger:disabled{opacity:.4;cursor:not-allowed}.practice-more-menu__trigger-text{padding:var(--ui-space-xs)var(--ui-space-sm);font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);line-height:var(--ui-line-height-24);align-items:center;display:inline-flex}.practice-more-menu__trigger-icon{padding:0 var(--ui-space-xs);color:var(--ui-color-brand-fod-primary-a);border-left:1px solid;align-items:center;display:inline-flex}.practice-more-menu__trigger-icon .icon--color-default{color:var(--ui-color-brand-fod-primary-a)}.practice-more-menu__options{top:calc(100% + var(--ui-space-xs));z-index:10;min-width:var(--practice-more-menu-min-width);background-color:var(--ui-color-neutral-white);border:var(--ui-stroke-1)solid var(--ui-color-stroke-primary);border-radius:var(--ui-radius-xl);width:-webkit-max-content;width:max-content;margin:0;list-style:none;position:absolute;right:0;box-shadow:0 5px 20px rgba(169,155,144,.2)}.practice-more-menu__option+.practice-more-menu__option{margin-top:2px}.practice-more-menu__option-button{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-20);align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-sm);color:var(--ui-color-neutral-grey-900);text-align:left;cursor:pointer;background-color:transparent;border:none;border-radius:0;width:100%;display:flex}.practice-more-menu__option-button:hover{background-color:var(--ui-color-brand-fod-lighter)}.practice-more-menu__option-button:focus-visible{background-color:var(--ui-color-brand-fod-lighter)}.practice-more-menu__option:first-child .practice-more-menu__option-button{border-top-left-radius:var(--ui-radius-xl);border-top-right-radius:var(--ui-radius-xl)}.practice-more-menu__option:last-child .practice-more-menu__option-button{border-bottom-left-radius:var(--ui-radius-xl);border-bottom-right-radius:var(--ui-radius-xl)}.practice-more-menu__option-icon{flex-shrink:0}.subject-selection-dialog{--subject-selection-dialog-min-height:18.75rem;--subject-selection-dialog-icon-size:3.5rem}.subject-selection-dialog .dialog__content{min-height:var(--subject-selection-dialog-min-height)}.subject-selection-dialog__content{padding:20px 0}.subject-selection-dialog__error{margin:0 0 var(--ui-space-md);padding:var(--ui-space-sm)var(--ui-space-md);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-notification-error-stroke);background-color:var(--ui-color-notification-error-bg);border:var(--ui-stroke-1)solid var(--ui-color-notification-error-stroke);border-radius:var(--ui-radius-xl)}.subject-selection-dialog__list{gap:var(--ui-space-sm);grid-template-columns:1fr;margin:0;padding:0;list-style:none;display:grid}@media only screen and (min-width:480px){.subject-selection-dialog__list{grid-template-columns:repeat(2,1fr)}}.subject-selection-dialog__item:nth-child(8n+1){--subject-card-icon-bg:var(--ui-color-purple-500);--subject-card-icon-fg:var(--ui-color-neutral-white)}.subject-selection-dialog__item:nth-child(8n+2){--subject-card-icon-bg:var(--ui-color-pink-500);--subject-card-icon-fg:var(--ui-color-neutral-white)}.subject-selection-dialog__item:nth-child(8n+3){--subject-card-icon-bg:var(--ui-color-orange-500);--subject-card-icon-fg:var(--ui-color-orange-900)}.subject-selection-dialog__item:nth-child(8n+4){--subject-card-icon-bg:var(--ui-color-comp-yellow-500);--subject-card-icon-fg:var(--ui-color-comp-yellow-900)}.subject-selection-dialog__item:nth-child(8n+5){--subject-card-icon-bg:var(--ui-color-comp-blue-500);--subject-card-icon-fg:var(--ui-color-comp-blue-900)}.subject-selection-dialog__item:nth-child(8n+6){--subject-card-icon-bg:var(--ui-color-comp-green-500);--subject-card-icon-fg:var(--ui-color-comp-green-900)}.subject-selection-dialog__item:nth-child(8n+7){--subject-card-icon-bg:var(--ui-color-darkgreen-500);--subject-card-icon-fg:var(--ui-color-neutral-white)}.subject-selection-dialog__item:nth-child(8n+8){--subject-card-icon-bg:var(--ui-color-darkblue-500);--subject-card-icon-fg:var(--ui-color-neutral-white)}.subject-selection-dialog__card{justify-content:center;align-items:center;gap:var(--ui-space-sm);padding:var(--ui-space-md);color:var(--ui-color-text-default);text-align:center;background-color:var(--ui-color-bg-container-primary);border:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-400);border-radius:var(--ui-radius-xl);cursor:pointer;flex-direction:column;width:100%;height:100%;transition:border-color .15s,background-color .15s;display:flex}.subject-selection-dialog__card:hover{border-color:var(--ui-color-neutral-grey-600)}.subject-selection-dialog__card:focus-visible{border-color:var(--ui-color-neutral-grey-600)}.subject-selection-dialog__card--selected,.subject-selection-dialog__card--selected:hover{border:var(--ui-stroke-2)solid var(--ui-color-brand-fod-primary-a);background-color:var(--ui-color-brand-fod-lighter)}.subject-selection-dialog__card--selected:focus-visible{border:var(--ui-stroke-2)solid var(--ui-color-brand-fod-primary-a);background-color:var(--ui-color-brand-fod-lighter)}.subject-selection-dialog__card-icon{width:var(--subject-selection-dialog-icon-size);height:var(--subject-selection-dialog-icon-size);color:var(--subject-card-icon-fg);background-color:var(--subject-card-icon-bg);border-radius:var(--ui-radius-xl);justify-content:center;align-items:center;display:inline-flex}.subject-selection-dialog__card-icon--image{background-color:transparent;overflow:hidden}.subject-selection-dialog__card-image{object-fit:cover;width:100%;height:100%}.subject-selection-dialog__card-title{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24)}.subject-selection-dialog__loading,.subject-selection-dialog__empty{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-18);line-height:var(--ui-line-height-24);min-height:var(--subject-selection-dialog-min-height);color:var(--ui-color-text-secondary);text-align:center;justify-content:center;align-items:center;display:flex}