.ui-breadcrumbs{--ui-breadcrumbs-gap:var(--ui-space-xs);--ui-breadcrumbs-line-height:var(--ui-line-height-24);--ui-breadcrumbs-color-text:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-color-current:var(--ui-color-text-default);--ui-breadcrumbs-color-separator:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-color-link-hover:var(--ui-color-text-default);--ui-breadcrumbs-color-link-active:var(--ui-color-brand-fod-primary-a);--ui-breadcrumbs-color-disabled:var(--ui-color-neutral-grey-500);--ui-breadcrumbs-bg-disabled:var(--ui-color-neutral-grey-100);flex-wrap:wrap;display:flex}.ui-breadcrumbs__list{align-items:center;gap:var(--ui-breadcrumbs-gap);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.ui-breadcrumbs__item{align-items:center;gap:var(--ui-breadcrumbs-gap);display:flex}.ui-breadcrumbs__content{align-items:center;gap:var(--ui-breadcrumbs-gap);display:inline-flex}.ui-breadcrumbs__icon{align-items:center;line-height:0;display:inline-flex}.ui-breadcrumbs__text,.ui-breadcrumbs__link{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-bold);line-height:var(--ui-breadcrumbs-line-height);color:var(--ui-breadcrumbs-color-text);align-items:center;display:inline-flex}.ui-breadcrumbs__text[aria-current=page]{color:var(--ui-breadcrumbs-color-current)}.ui-breadcrumbs__text[aria-disabled=true]{color:var(--ui-breadcrumbs-color-disabled);background-color:var(--ui-breadcrumbs-bg-disabled);cursor:not-allowed}.ui-breadcrumbs__link{cursor:pointer;text-decoration:none;transition:color .2s,-webkit-text-decoration .2s,-webkit-text-decoration .2s,text-decoration .2s}@media (prefers-reduced-motion:reduce){.ui-breadcrumbs__link{transition:none}}@media (hover:hover){.ui-breadcrumbs__link:hover{color:var(--ui-breadcrumbs-color-link-hover);text-decoration:underline}}.ui-breadcrumbs__link:active{color:var(--ui-breadcrumbs-color-link-active);text-decoration:underline}.ui-breadcrumbs__link:focus-visible{outline:var(--ui-stroke-2)solid var(--ui-color-stroke-focus-default);outline-offset:2px;border-radius:var(--ui-radius-md-lg)}.ui-breadcrumbs__separator{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-semibold);color:var(--ui-breadcrumbs-color-separator)}.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-dropdown-overlay{z-index:999;background:0 0;position:fixed;top:0;bottom:0;left:0;right:0}.chat-dropdown-portal{z-index:1000;position:fixed}.chat-audio-recorder{background:var(--ui-color-brand-fod-primary-a);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)}.tool-indicator{border:1px solid var(--ui-color-brand-fod-primary-a);background-color:#fff;border-radius:8px;align-items:center;margin:8px 0;padding:8px 12px;animation:.3s ease-in-out fadeIn;display:flex}.tool-indicator--error{color:#e04949;background:#fef0ef;border-color:#e04949}.tool-indicator__icon{color:var(--ui-color-brand-fod-primary-a);flex-shrink:0;margin-right:12px}.tool-indicator__icon .icon{color:var(--ui-color-brand-fod-primary-a)}.tool-indicator__content{flex:1;justify-content:space-between;align-items:center;gap:12px;display:flex}.tool-indicator__message{font-family:var(--font-second);color:#333;font-size:16px;font-weight:500;line-height:1.4}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.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}.conversation-history{--conversation-history-row-padding:var(--ui-space-xs)var(--ui-space-md);--conversation-history-title-font-size:var(--ui-font-size-16);--conversation-history-title-line-height:var(--ui-line-height-24);--conversation-history-date-font-size:var(--ui-font-size-14);--conversation-history-date-line-height:var(--ui-line-height-20);overflow:hidden}.conversation-history .chat-dropdown__content{padding:0}.conversation-history__list{margin:0;padding:0;list-style:none}.conversation-history__item{position:relative}.conversation-history__item:not(:last-child):after{content:"";height:var(--ui-stroke-1);background-color:var(--ui-color-neutral-grey-200);position:absolute;bottom:0;left:0;right:0}.conversation-history__item-wrapper{align-items:center;gap:var(--ui-space-xs);padding:var(--conversation-history-row-padding);transition:background-color .2s;display:flex}.conversation-history__item-wrapper:hover{background-color:var(--ui-color-neutral-grey-100)}.conversation-history__button{cursor:pointer;text-align:left;background:0 0;border:none;flex:1;align-items:center;min-width:0;padding:0;display:flex}.conversation-history__info{flex:1;min-width:0}.conversation-history__item-title{font-size:var(--conversation-history-title-font-size);font-weight:var(--ui-font-weight-medium);line-height:var(--conversation-history-title-line-height);color:var(--ui-color-neutral-grey-900);margin-bottom:var(--ui-space-xxxs);white-space:nowrap;text-overflow:ellipsis;font-family:var(--ui-font-family-body);letter-spacing:normal;overflow:hidden}.conversation-history__metadata{font-size:var(--conversation-history-date-font-size);font-weight:var(--ui-font-weight-medium);line-height:var(--conversation-history-date-line-height);color:var(--ui-color-neutral-grey-700);font-family:var(--ui-font-family-body);letter-spacing:normal}.conversation-history__empty{text-align:center;color:#767676;padding:40px 16px;font-size:14px}.conversation-history__loading{text-align:center;color:#767676;flex-direction:column;align-items:center;gap:12px;padding:40px 16px;font-size:14px;display:flex}.conversation-history__spinner{border:2px solid #f2f2f2;border-top-color:var(--ui-color-brand-fod-primary-a);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.conversation-history__error{text-align:center;color:#f66868;flex-direction:column;align-items:center;gap:8px;padding:40px 16px;font-size:14px;display:flex}.conversation-history__error .icon__wrapper{width:24px;height:24px}.conversation-history__delete-button{cursor:pointer;opacity:1;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;padding:2px;transition:background-color .2s;display:flex}.conversation-history__delete-button:hover{color:#f66868;background-color:rgba(246,104,104,.1)}.conversation-history__delete-button .icon__wrapper{width:20px;height:20px}.conversation-history__new-chat-button{width:100%}.conversation-history__end{text-align:center;color:#767676;font-size:14px;font-family:var(--font-second);padding:16px;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.challenge-type-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}.challenge-type-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}.challenge-type-tag.done{background:var(--ui-color-neutral-grey-100);color:var(--ui-color-neutral-grey-600)}.challenge-type-tag.done:before{filter:grayscale()}.challenge-type-tag--new{background:var(--ui-color-green-200);color:var(--ui-color-green-800)}.challenge-type-tag--new:before{content:"🌱"}.challenge-type-tag--review{background:var(--ui-color-blue-200);color:var(--ui-color-blue-800)}.challenge-type-tag--review:before{content:"🧠"}.challenge-type-tag--improvement{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.challenge-type-tag--improvement:before{content:"🎯"}.challenge-type-tag--combo{background:var(--ui-color-yellow-200);color:var(--ui-color-yellow-800)}.challenge-type-tag--combo:before{content:"⚡"}.analytics-filter-bar{align-items:center;gap:16px;display:flex}.analytics-filter-bar__filter{min-width:200px}.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}.tutor-usage-chart{border-top:1px solid #e0e0e0;flex-direction:column;gap:16px;padding-top:24px;display:flex}.tutor-usage-chart__header{justify-content:space-between;align-items:flex-start;display:flex}.tutor-usage-chart__header-text{flex-direction:column;gap:4px;display:flex}.tutor-usage-chart__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:24px}.tutor-usage-chart__description{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:400;line-height:20px}.tutor-usage-chart__filter{flex-shrink:0;min-width:180px}.tutor-usage-chart__container{margin-top:16px}.tutor-usage-chart__legend{align-items:center;gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-chart__legend-item{font-family:var(--font-second);color:#4e4e4e;align-items:center;gap:4px;font-size:14px;font-weight:500;line-height:20px;display:flex}.tutor-usage-chart__legend-color{flex-shrink:0;width:28px;height:12px}.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}.quiz-location-dialog .dialog__content{min-height:350px}.quiz-location-dialog__content{padding:20px 0}.quiz-location-dialog__field{margin-bottom:20px}.quiz-location-dialog__field:last-child{margin-bottom:0}.quiz-location-dialog__loading{justify-content:center;align-items:center;min-height:60px;padding:20px;display:flex}.quiz-location-dialog__error-title{color:#e04949;font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:normal}.quiz-location-dialog__error{margin-top:16px}.quiz-location-dialog__error-message{color:#e04949;font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:normal}