.ui-breadcrumbs{--ui-breadcrumbs-gap:var(--ui-space-xs);--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-line-height-24);color:var(--ui-breadcrumbs-color-text)}.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)}.chat-d3-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-d3-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-d3-card__header{padding:8px}.chat-d3-card__title{font-family:var(--font-second);color:#4e4e4e;flex:1;font-size:18px;font-weight:700}.chat-d3-card__footer{background-color:#f9f9f9;border-top:1px solid #e0e0e0;border-radius:0 0 8px 8px;margin-top:0;padding:8px}.chat-d3-card__footer__content{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-d3-card__footer__title{color:#333;align-items:center;gap:4px;font-size:16px;font-weight:600;display:flex}.chat-d3-card__footer__title .icon{color:#333}.chat-d3-card__footer__button{color:var(--ui-color-brand-fod-primary-a);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;text-decoration:underline}.chat-d3-card__footer__button:hover{color:var(--ui-color-brand-fod-dark)}.chat-mermaid-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-mermaid-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-mermaid-card--error{color:#e04949;box-shadow:none;cursor:default;background:#fef0ef;border-color:#e04949;padding:8px}.chat-mermaid-card--error:hover{box-shadow:none;border-color:#e04949;transform:none}.chat-mermaid-card__preview{padding:8px;overflow:hidden}.chat-mermaid-card__preview .diagram-mermaid,.chat-mermaid-card__preview .diagram-mermaid *{pointer-events:none;-webkit-user-select:none;user-select:none}.chat-mermaid-card__footer{background-color:#f2f2f2;border-top:1px solid #e0e0e0;border-radius:0 0 8px 8px;padding:16px}.chat-mermaid-card__footer__content{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-mermaid-card__footer__title{color:#333;align-items:center;gap:4px;font-size:16px;font-weight:600;display:flex}.chat-mermaid-card__footer .icon{color:#333}.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}.feedback-modal__content{--feedback-modal-content-gap:var(--ui-space-md);gap:var(--feedback-modal-content-gap);flex-direction:column;display:flex}.feedback-modal__subtitle{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-text-secondary);margin:0}.feedback-modal__field{gap:var(--ui-space-xxs);flex-direction:column;display:flex}.teacher-layout-wrapper{height:100vh;display:flex;overflow:hidden}.teacher-layout-wrapper__sidebar{background:var(--color-background);flex-direction:column;flex-shrink:0;width:13rem;height:100vh;transition:width .3s;display:flex;overflow-x:hidden;overflow-y:auto}.teacher-layout-wrapper__sidebar-header{padding:2.25rem var(--ui-space-md)0;justify-content:space-between;align-items:center;display:flex}.teacher-layout-wrapper__collapse-btn{padding:var(--ui-space-xs);cursor:pointer;border-radius:var(--ui-radius-xl);background:0 0;border:none;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.teacher-layout-wrapper__collapse-btn:hover{background-color:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__collapse-btn .icon{color:var(--ui-color-neutral-grey-700)}.teacher-layout-wrapper__title-container{visibility:visible;transition:opacity .3s;overflow:hidden}.teacher-layout-wrapper__title{padding:var(--ui-space-lg)var(--ui-space-md)0;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-28);color:var(--ui-color-neutral-grey-700);white-space:nowrap;margin:0}.teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);flex:1;transition:padding .3s}.teacher-layout-wrapper__nav-list{gap:var(--ui-space-xs);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);border-radius:var(--ui-radius-xl)0 0 var(--ui-radius-xl);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;width:100%;transition:background-color .2s,color .2s;display:flex;overflow:hidden}.teacher-layout-wrapper__nav-item .icon{width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);color:var(--ui-color-neutral-grey-700);flex-shrink:0;transition:color .2s}.teacher-layout-wrapper__nav-item:hover{background:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__nav-item--active{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-item--active .icon,.teacher-layout-wrapper__nav-item--active .teacher-layout-wrapper__nav-text{color:var(--ui-color-brand-fod-primary-a)}.teacher-layout-wrapper__nav-item--active:hover{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-skeleton-item{align-items:center;gap:12px;padding:8px 15px;display:flex}.teacher-layout-wrapper__nav-skeleton-text{flex:1}.teacher-layout-wrapper__nav-text{margin-left:var(--ui-space-xs);font-family:var(--ui-font-family-heading);font-weight:var(--ui-font-weight-semibold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-26);color:var(--ui-color-neutral-grey-700);white-space:nowrap;opacity:1;width:auto;transition:opacity .2s,width .3s}.teacher-layout-wrapper__sidebar-footer{--teacher-layout-footer-gap:var(--ui-space-md);--teacher-layout-footer-padding-block:var(--ui-space-md);--teacher-layout-footer-padding-inline:var(--ui-space-md);gap:var(--teacher-layout-footer-gap);padding:var(--teacher-layout-footer-padding-block)var(--teacher-layout-footer-padding-inline);flex-direction:column;margin-top:auto;display:flex}.teacher-layout-wrapper__dev-toggle .switch__texts{margin-left:0}.teacher-layout-wrapper__dev-toggle .switch__texts .switch__label{font-size:var(--ui-font-size-14)}.teacher-layout-wrapper__dev-toggle-hint{color:var(--ui-color-neutral-grey-500);margin-top:4px;font-size:11px;line-height:1.3}.teacher-layout-wrapper__main{background:var(--ui-color-neutral-white);flex:1;min-width:0;padding-top:36px;padding-bottom:36px;overflow:auto}.teacher-layout-wrapper__main--default-padding{padding-left:72px;padding-right:72px}.teacher-layout-wrapper__main--left-only-padding{padding-left:72px;padding-right:0}.teacher-layout-wrapper__main--none-padding{padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar{width:5rem}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header{justify-content:center;padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:none}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__title-container{opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s linear .3s}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);align-items:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);justify-content:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-footer{--teacher-layout-footer-padding-inline:var(--ui-space-xs);align-items:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-text{opacity:0;width:0;margin-left:0;transition:opacity .2s ease-out,width .3s,margin-left .3s}.teacher-layout-wrapper--show-back-collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:flex}.teacher-layout-wrapper__mobile-menu-button,.teacher-layout-wrapper__mobile-menu-backdrop{display:none}.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}.severity-indicator{align-items:flex-end;gap:2px;height:12px;display:flex}.severity-indicator__bar{border-radius:var(--border-radius-01);width:4px}.severity-indicator--high .severity-indicator__bar{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar{background-color:#ffe08c}.severity-indicator--low .severity-indicator__bar{background-color:#97e0c3}.severity-indicator__bar:first-child{height:4px}.severity-indicator__bar:nth-child(2){height:8px}.severity-indicator__bar:nth-child(3){height:12px}.severity-indicator--high .severity-indicator__bar--active{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar--active{background-color:#d18436}.severity-indicator--low .severity-indicator__bar--active{background-color:#135f3e}.prerequisite-progress-bar{--prerequisite-bar-height:6px;--prerequisite-bar-radius:3px;flex-direction:column;gap:4px;display:flex}.prerequisite-progress-bar__name{font-family:var(--font-second);color:#333;font-size:16px;font-weight:500;line-height:24px}.prerequisite-progress-bar__name--clickable{text-align:left;cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:0;text-decoration:underline}.prerequisite-progress-bar__name--clickable:hover{color:#2566c0}.prerequisite-progress-bar__name--clickable:focus-visible{color:#2566c0}.prerequisite-progress-bar__bar-wrapper{padding-top:16px;position:relative}.prerequisite-progress-bar__marker{color:#ababab;line-height:0;position:absolute;top:-1px;transform:translate(-50%)}.prerequisite-progress-bar__marker .icon__wrapper svg{width:12px;height:12px}.prerequisite-progress-bar__bar{height:var(--prerequisite-bar-height);border-radius:var(--prerequisite-bar-radius);background-color:#e0e0e0;overflow:hidden}.prerequisite-progress-bar__bar-fill{height:100%;transition:width .3s}.prerequisite-progress-bar--mastered .prerequisite-progress-bar__bar-fill{background-color:#4adea0}.prerequisite-progress-bar--reviewing .prerequisite-progress-bar__bar-fill{background-color:#facc15}.prerequisite-progress-bar__footer{justify-content:space-between;align-items:center;gap:8px;padding-top:4px;display:flex}.prerequisite-progress-bar__status{font-family:var(--font-second);color:#333;border-radius:16px;padding:2px 8px;font-size:14px;font-weight:500;line-height:24px}.prerequisite-progress-bar__status--mastered{background-color:#cef8ea}.prerequisite-progress-bar__status--reviewing{background-color:#fff1c2}.prerequisite-progress-bar__mastery{font-family:var(--font-second);color:#4e4e4e;font-size:14px;line-height:20px}.prerequisite-progress-bar__mastery strong{font-family:var(--font-second-bold);color:#333}.learning-block-content{flex-direction:column;gap:16px;padding:16px;display:flex}.learning-block-content__header{flex-direction:column;display:flex}.learning-block-content__label-row{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.learning-block-content__label-group{align-items:center;gap:4px;display:flex}.learning-block-content__kc-info{flex-direction:column;gap:2px;display:flex}.learning-block-content__kc-statement{font-family:var(--font-second);color:#333;margin:0;font-size:18px;font-weight:500;line-height:26px}.learning-block-content__locations{flex-direction:column;gap:2px;margin:0;padding-left:16px;list-style:disc;display:flex}.learning-block-content__location{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;line-height:20px}.learning-block-content__stats{flex-direction:column;gap:8px;display:flex}.teacher-tool-card{cursor:pointer;font-family:var(--font-second);background:#fff;border:1px solid #e0e0e0;border-radius:8px;align-items:flex-start;gap:8px;width:100%;padding:8px;display:flex;position:relative}.teacher-tool-card__icon{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.teacher-tool-card__content{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.teacher-tool-card__title{color:#333;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:16px;font-weight:700;line-height:20px;overflow:hidden}.teacher-tool-card__description{color:#767676;-webkit-line-clamp:2;line-clamp:2;text-overflow:ellipsis;white-space:normal;-webkit-box-orient:vertical;min-height:36px;margin:0;font-size:14px;font-weight:500;line-height:18px;display:-webkit-box;overflow:hidden}.teacher-tool-card:hover:not(.teacher-tool-card--disabled):not(.teacher-tool-card--pressed):not(.teacher-tool-card--active){outline:1px solid #f2f2f2;box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--pressed{border-color:#ababab}.teacher-tool-card--active{border-color:var(--ui-color-brand-fod-primary-a);background:#fff}.teacher-tool-card--active:hover{border-color:var(--ui-color-brand-fod-primary-a);box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--disabled{cursor:not-allowed;background:#f9f9f9;border-color:#f2f2f2}.teacher-tool-card--disabled .teacher-tool-card__title,.teacher-tool-card--disabled .teacher-tool-card__description{color:#828282}.teacher-tool-card--disabled .teacher-tool-card__icon{filter:grayscale()}.teacher-tool-card--disabled:hover{box-shadow:none;border-color:#f2f2f2}@media (max-width:768px){.teacher-tool-card{padding:12px}.teacher-tool-card__title{font-size:14px;line-height:18px}.teacher-tool-card__description{min-height:32px;font-size:12px;line-height:16px}}