.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}.chat-mermaid-modal-container{border-radius:var(--border-radius-01);justify-content:center;align-items:center;width:100%;min-height:300px;padding:20px;display:flex}.chat-mermaid-modal-container .chat-mermaid-modal__diagram{text-align:center}.chat-mermaid-modal-container .chat-mermaid-modal__diagram svg{max-width:100%;height:auto}.chat-messages{flex-direction:column;flex:1;min-height:0;max-height:100%;padding:16px;display:flex;position:relative;overflow-x:hidden;overflow-y:auto}.chat-messages__container{overflow-y:unset;flex-direction:column;flex:1;gap:10px;display:flex}.chat-messages__container::-webkit-scrollbar{width:8px;height:8px}.chat-messages__container::-webkit-scrollbar-track{background:#f2f2f2}.chat-messages__container::-webkit-scrollbar-thumb{background-color:#ababab;border-radius:20px}.chat-messages__container{scrollbar-width:thin;scrollbar-color:#ababab #f2f2f2}.chat-messages__empty-state{text-align:center;color:#767676;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:32px 16px;display:flex}.chat-messages__empty-state-content{max-width:320px}.chat-messages__empty-state-content h3{color:#333;margin-bottom:12px;font-size:32px}.chat-messages__empty-state-content p{margin:0;font-size:16px;line-height:1.5}.chat-messages__toast{color:#fff;background-color:#333;border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;animation:.3s ease-in-out fadeIn;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.chat-messages--loading{justify-content:center;align-items:center;min-height:200px;display:flex}.chat-messages__loading{padding:16px}.chat-message-container{flex-direction:column;display:flex;position:relative}.chat-message-container:hover .chat-message__debug-actions{opacity:1}.chat-message__debug-actions{opacity:0;gap:4px;transition:opacity .2s;display:flex;position:absolute;top:-8px;right:-8px}.chat-message__context-view{color:#333;background-color:#f2f2f2;border-radius:8px;margin-top:8px;padding:8px;font-size:14px}.chat-message__context-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.chat-message__context-title{color:#767676;margin:0;font-size:14px}.chat-message__debug-button{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.chat-message__debug-button:hover{background-color:#e0e0e0}.chat-message__context-data{font-family:var(--font-first);white-space:pre-wrap;background-color:#fff;border-radius:4px;max-height:200px;margin:0;padding:8px;font-size:14px;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.drawer-overlay{z-index:8000;opacity:0;visibility:hidden;background-color:rgba(16,16,16,.15);transition:opacity .3s,visibility .3s;position:fixed;top:0;bottom:0;left:0;right:0}.drawer-overlay--open{opacity:1;visibility:visible}.drawer{z-index:8001;visibility:hidden;background-color:#fff;flex-direction:column;height:100vh;transition:transform .3s,visibility .3s;display:flex;position:fixed;top:0;transform:translate(100%);box-shadow:0 5px 20px rgba(169,155,144,.2)}.drawer--right{right:0}.drawer--left{left:0;transform:translate(-100%)}.drawer--open{visibility:visible;transform:translate(0)}.drawer__header{border-bottom:1px solid #e0e0e0;flex-shrink:0}.drawer__content{flex:1;overflow-y:auto}.drawer__footer{border-top:1px solid #e0e0e0;flex-shrink:0}.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}.vertical-kc-timeline{--timeline-marker-width:16px;--timeline-dot-size:12px;--timeline-line-width:1px;background-color:#f9f9f9;border-radius:8px;flex-direction:column;gap:16px;margin:0;padding:8px;list-style:none;display:flex}.vertical-kc-timeline__item{grid-template-columns:auto var(--timeline-marker-width)1fr;min-height:var(--timeline-dot-size);align-items:center;gap:8px;display:grid;position:relative}.vertical-kc-timeline__date{text-align:right;font-family:var(--font-second);color:#4e4e4e;flex-direction:column;align-items:flex-end;min-width:111px;font-size:12px;line-height:18px;display:flex}.vertical-kc-timeline__item--last .vertical-kc-timeline__date{font-family:var(--font-second-bold)}.vertical-kc-timeline__marker{width:var(--timeline-marker-width);justify-content:center;align-self:stretch;align-items:center;height:100%;display:flex;position:relative}.vertical-kc-timeline__marker:after{content:"";width:var(--timeline-line-width);background-color:#8e0d8e;height:50%;position:absolute;top:50%;left:50%;transform:translate(-50%)}.vertical-kc-timeline__item:not(.vertical-kc-timeline__item--last) .vertical-kc-timeline__marker:after{height:calc(100% + 16px)}.vertical-kc-timeline__item:first-child .vertical-kc-timeline__marker:before{content:"";width:var(--timeline-line-width);background-color:#8e0d8e;height:50%;position:absolute;top:0;left:50%;transform:translate(-50%)}.vertical-kc-timeline__dot{width:var(--timeline-dot-size);height:var(--timeline-dot-size);z-index:1;background-color:#e875e6;border-radius:50%}.vertical-kc-timeline__item--last .vertical-kc-timeline__dot{background-color:#b00fb0;box-shadow:0 0 0 3px rgba(209,22,218,.15)}.vertical-kc-timeline__status-label{font-family:var(--font-second);color:#333;font-size:16px;line-height:24px}.vertical-kc-timeline__item--last .vertical-kc-timeline__status-label{font-family:var(--font-second-bold)}.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 ease-in-out infinite generating-robot-float}@keyframes generating-robot-float{0%{transform:translateY(0)}50%{transform:translateY(-8%)}to{transform:translateY(0)}}.practice-lesson-selection-dialog{--practice-lesson-selection-dialog-tree-max-height:20rem;--practice-lesson-selection-dialog-checkbox-size:1.25rem;--practice-lesson-selection-dialog-mascot-size:3.5rem;--practice-lesson-selection-dialog-lesson-indent:calc(var(--ui-space-md) + var(--practice-lesson-selection-dialog-checkbox-size) + var(--ui-space-sm))}.practice-lesson-selection-dialog__content{gap:var(--ui-space-md);padding:0 0 var(--ui-space-md)0;flex-direction:column;display:flex}.practice-lesson-selection-dialog__section{gap:var(--ui-space-xxs);flex-direction:column;display:flex}.practice-lesson-selection-dialog__section-label{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-neutral-grey-500);text-transform:uppercase}.practice-lesson-selection-dialog__section-subtitle{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-medium);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-text-default)}.practice-lesson-selection-dialog__box{border:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);border-radius:var(--ui-radius-xl);overflow:hidden}.practice-lesson-selection-dialog__search{padding:var(--ui-space-sm)var(--ui-space-md);background-color:var(--ui-color-neutral-grey-100);border-bottom:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);position:relative}.practice-lesson-selection-dialog__search-input{padding:var(--ui-space-xs)var(--ui-space-xxl)var(--ui-space-xs)var(--ui-space-sm);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-text-default);background-color:var(--ui-color-neutral-white);border:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-400);border-radius:var(--ui-radius-xl);outline:none;width:100%;transition:border-color .2s}.practice-lesson-selection-dialog__search-input::placeholder{color:var(--ui-color-neutral-grey-500)}.practice-lesson-selection-dialog__search-input:focus{border-color:var(--ui-color-brand-fod-primary-a)}.practice-lesson-selection-dialog__search-icon{top:50%;right:var(--ui-space-lg);color:var(--ui-color-neutral-grey-500);cursor:pointer;background-color:transparent;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex;position:absolute;transform:translateY(-50%)}.practice-lesson-selection-dialog__tree{max-height:var(--practice-lesson-selection-dialog-tree-max-height);margin:0;padding:0;list-style:none;overflow-y:auto}.practice-lesson-selection-dialog__unit{border-bottom:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300)}.practice-lesson-selection-dialog__unit:last-child{border-bottom:none}.practice-lesson-selection-dialog__unit-row{align-items:center;gap:var(--ui-space-sm);padding:var(--ui-space-xs)var(--ui-space-md);display:flex}.practice-lesson-selection-dialog__unit-main{justify-content:space-between;align-items:center;gap:var(--ui-space-md);text-align:left;cursor:pointer;background-color:transparent;border:none;flex:1;min-width:0;padding:0;display:flex}.practice-lesson-selection-dialog__unit-main--disabled{cursor:default}.practice-lesson-selection-dialog__unit-main--disabled .practice-lesson-selection-dialog__unit-name{color:var(--ui-color-neutral-grey-400)}.practice-lesson-selection-dialog__unit-info{gap:var(--ui-space-xxs);flex-direction:column;min-width:0;display:flex}.practice-lesson-selection-dialog__unit-name{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);color:var(--ui-color-text-default);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.practice-lesson-selection-dialog__unit-counter{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-neutral-grey-500);text-transform:uppercase}.practice-lesson-selection-dialog__unit-aside{align-items:center;gap:var(--ui-space-xxs);flex-shrink:0;display:inline-flex}.practice-lesson-selection-dialog__no-content-label{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-12);line-height:var(--ui-line-height-16);color:var(--ui-color-neutral-grey-500);text-transform:uppercase;white-space:nowrap;flex-shrink:0}.practice-lesson-selection-dialog__chevron{color:var(--ui-color-neutral-grey-600);align-items:center;display:inline-flex}.practice-lesson-selection-dialog__lessons{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.practice-lesson-selection-dialog__lesson{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xs);padding-left:var(--practice-lesson-selection-dialog-lesson-indent);border-radius:var(--ui-radius-md-lg);cursor:pointer;display:flex}.practice-lesson-selection-dialog__lesson:hover{background-color:var(--ui-color-neutral-grey-100)}.practice-lesson-selection-dialog__lesson--disabled{cursor:default}.practice-lesson-selection-dialog__lesson--disabled:hover{background-color:transparent}.practice-lesson-selection-dialog__lesson--disabled .practice-lesson-selection-dialog__lesson-name{color:var(--ui-color-neutral-grey-500)}.practice-lesson-selection-dialog__lesson-name{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-text-default);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.practice-lesson-selection-dialog__lesson-aside{flex-shrink:0;align-items:center;display:inline-flex}.practice-lesson-selection-dialog__checkbox{width:var(--practice-lesson-selection-dialog-checkbox-size);height:var(--practice-lesson-selection-dialog-checkbox-size);color:var(--ui-color-neutral-white);background-color:var(--ui-color-neutral-white);border:var(--ui-stroke-2)solid var(--ui-color-neutral-grey-400);border-radius:var(--ui-radius-md-lg);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.practice-lesson-selection-dialog__checkbox--checked,.practice-lesson-selection-dialog__checkbox--indeterminate{background-color:var(--ui-color-brand-fod-primary-a);border-color:var(--ui-color-brand-fod-primary-a)}.practice-lesson-selection-dialog__checkbox--disabled{background-color:var(--ui-color-neutral-grey-200);border-color:var(--ui-color-neutral-grey-400);cursor:default}.practice-lesson-selection-dialog__checkbox-dash{height:var(--ui-stroke-2);background-color:var(--ui-color-neutral-white);border-radius:var(--ui-radius-sm);width:.625rem}.practice-lesson-selection-dialog__actions{justify-content:flex-end;align-items:center;gap:var(--ui-space-md);padding:var(--ui-space-sm)var(--ui-space-md);background-color:var(--ui-color-neutral-grey-100);border-top:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);display:flex}.practice-lesson-selection-dialog__actions .button{flex:none;width:auto;min-width:0}.practice-lesson-selection-dialog__actions .button:disabled{opacity:.5;background-color:transparent}.practice-lesson-selection-dialog__actions .button--variant-primary-outline{background-color:var(--ui-color-neutral-white);padding-top:0!important;padding-bottom:0!important}.practice-lesson-selection-dialog__state{padding:var(--ui-space-lg);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24);color:var(--ui-color-text-secondary);text-align:center;justify-content:center;align-items:center;display:flex}.practice-lesson-selection-dialog__warning{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-md)var(--ui-space-xs);background-color:var(--ui-color-blue-100);border:var(--ui-stroke-1)solid var(--ui-color-blue-300);border-radius:var(--ui-radius-xl);display:flex}.practice-lesson-selection-dialog__warning-mascot{width:var(--practice-lesson-selection-dialog-mascot-size);height:var(--practice-lesson-selection-dialog-mascot-size);background-image:var(--tangerine-ai-bot-help);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.practice-lesson-selection-dialog__warning-text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900)}.practice-lesson-selection-dialog__footer-count{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-26);color:var(--ui-color-text-default)}.practice-status-chip{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xxs)var(--ui-space-sm);font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);white-space:nowrap;border-radius:var(--ui-radius-xxl);flex-shrink:0;display:inline-flex}.practice-status-chip__emoji{font-size:var(--ui-font-size-20);line-height:1}.practice-status-chip--mastered{color:var(--ui-color-green-800);background-color:var(--ui-color-green-200)}.practice-status-chip--in-progress{color:var(--ui-color-blue-800);background-color:var(--ui-color-blue-200)}.practice-status-chip--not-started{color:var(--ui-color-neutral-grey-800);background-color:var(--ui-color-neutral-grey-200)}.practice-status-chip--blocked{color:var(--ui-color-red-800);background-color:var(--ui-color-red-200)}.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}