.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)}.tutor-toast{--tutor-toast-bar-height:.375rem;--tutor-toast-tail-size:var(--ui-space-md);align-items:flex-start;gap:var(--ui-space-xl);padding:var(--ui-space-xs)var(--ui-space-xs)calc(var(--ui-space-xs) + var(--tutor-toast-bar-height))var(--ui-space-md);border-radius:var(--ui-radius-xxl)var(--ui-radius-xxl)var(--ui-radius-xxl)var(--ui-radius-xl);background:var(--ui-color-blue-100);box-shadow:var(--ui-shadow-raised);color:var(--ui-color-neutral-grey-900);display:flex;position:relative}.tutor-toast:before{content:"";border-radius:inherit;box-shadow:inset 0 calc(-1*var(--tutor-toast-bar-height))0 var(--ui-color-blue-400);pointer-events:none;position:absolute;top:0;bottom:0;left:0;right:0}@media (prefers-reduced-motion:no-preference){.tutor-toast:before{animation:tutor-toast-countdown var(--tutor-toast-duration)linear forwards}.tutor-toast--paused:before{animation-play-state:paused}}.tutor-toast:after{content:"";right:calc(-1*var(--tutor-toast-tail-size));bottom:var(--ui-space-md);width:var(--tutor-toast-tail-size);height:var(--tutor-toast-tail-size);background:var(--ui-color-blue-100);clip-path:polygon(0 0,100% 100%,0 100%);position:absolute}.tutor-toast__text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);overflow-wrap:break-word;flex:1;min-width:0;margin:0}.tutor-toast__title{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-18);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-28);display:block}.tutor-toast__close{flex-shrink:0}.tutor-toast__close.button.button:focus-visible{outline-color:var(--ui-color-stroke-focus-secondary)}@keyframes tutor-toast-countdown{0%{clip-path:inset(0)}to{clip-path:inset(0 100% 0 0)}}.chatbot-mathField{align-items:center;line-height:1;transition:height .2s;display:none}.chatbot-mathField-show{--chatbot-mathField-scrim-blur:8px;--chatbot-mathField-scrim-color:color-mix(in srgb,var(--ui-color-brand-fod-lighter)45%,transparent);z-index:4002;background-color:var(--chatbot-mathField-scrim-color);-webkit-backdrop-filter:blur(var(--chatbot-mathField-scrim-blur));backdrop-filter:blur(var(--chatbot-mathField-scrim-blur));justify-content:center;align-items:center;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.chatbot-mathField-show{--chatbot-mathField-scrim-color:rgba(255,255,255,.92)}}.chatbot-mathField.chatbot-selected{border-color:var(--ui-color-brand-fod-primary-a)}.chatbot-mathField.chatbot-selected .chatbot-calc-button{fill:var(--ui-color-brand-fod-primary-a)}.chatbot-mathField-modal{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;width:90%;max-width:500px;padding:0;overflow:hidden}.chatbot-mathField-header{border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:center;margin:0;padding:8px;display:flex}.chatbot-mathField-title{font-size:18px;line-height:24px;font-family:var(--font-second);color:#4e4e4e;margin:0;font-weight:600}.chatbot-mathField-close{cursor:pointer;background:0 0;border:none;padding:4px}.chatbot-mathField-close svg{fill:#333;width:20px;height:20px}.chatbot-mathField-close .icon--color-default{color:#333}.chatbot-mathField-content{flex-direction:column;gap:15px;padding:8px 16px;display:flex}.chatbot-mathField-input{border:1px solid #ababab;border-radius:8px;flex-direction:column;flex:1;gap:8px;min-height:40px;padding:8px 12px;display:flex;position:relative}.chatbot-mathField-input:focus-within{border:1px solid var(--ui-color-brand-fod-primary-a)}.chatbot-mathField-submit{color:#fff;background:var(--ui-color-brand-fod-primary-a);cursor:pointer;font-family:var(--font-first);border:none;border-radius:8px;justify-content:center;align-self:flex-end;align-items:center;min-width:40px;height:40px;padding:8px 12px;font-size:18px;font-weight:700;transition:transform .2s;display:flex;position:relative;overflow:hidden}.chatbot-mathField-submit>*{z-index:1;position:relative}.chatbot-mathField-submit:before{content:"";background:var(--ui-color-brand-fod-lighter);border-radius:inherit;opacity:0;z-index:0;transition:opacity .4s;position:absolute;top:0;bottom:0;left:0;right:0}.chatbot-mathField-submit:after{content:"";background:var(--ui-color-brand-fod-dark);border-radius:inherit;opacity:0;z-index:0;transition:opacity .2s;position:absolute;top:0;bottom:0;left:0;right:0}.chatbot-mathField-submit:hover:before,.chatbot-mathField-submit:active:after{opacity:1}.chatbot-mathField.chatbot-with-focus{opacity:1;z-index:4002;border:none;border-radius:0;justify-content:center;align-items:center;height:calc(100vh - 320px);font-size:1.4em;display:flex;position:fixed;top:0;left:0;right:0}.chatbot-mathField.chatbot-disabled math-field>span{pointer-events:none}math-field::part(virtual-keyboard-toggle){display:none}math-field::part(virtual-keyboard-toggle):after{display:none}.chatbot-mathField__tooltip .react-tooltip{margin-top:4px!important}body .ML__keyboard{z-index:10001;--keyboard-zindex:10001;position:fixed}body .ML__keyboard .ML__keyboard--plate .rows ul:last-child li.action:last-child{background-color:var(--ui-color-brand-fod-primary-a)}body .ML__keyboard .MLK__rows .row .MLK__keycap{min-width:28px}@supports (-webkit-touch-callout:none){body .ML__keyboard .MLK__backdrop{height:calc(30px + var(--_keyboard-height))}}@media (pointer:coarse){.ML__keyboard .MLK__rows .row .MLK__keycap{min-width:28px}}@media (min-width:560px) and (pointer:coarse){.ML__keyboard .MLK__rows .row .MLK__keycap{min-width:50px}}.diagram-mermaid{width:100%;height:100%;position:relative}.diagram-mermaid svg{max-width:100%;height:auto;margin:0 auto;display:block}.diagram-mermaid__download-btn{color:var(--ui-color-brand-fod-primary-a);position:absolute;top:8px;right:8px}.diagram-mermaid-error__container{flex-direction:row;gap:8px;display:flex}.diagram-mermaid-error__icon{margin-bottom:.5rem;font-size:2rem}.diagram-mermaid-error__message{color:#333;font-size:18px}.diagram-mermaid-error__details{font-size:14px}.diagram-mermaid-error__code{color:#333;max-width:280px;overflow:auto}.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}.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%)}}.chatbot{border-left:var(--ui-stroke-1)solid var(--ui-color-brand-fod-primary-b,var(--ui-color-brand-fod-primary-a));background-color:#fff;flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.chatbot__header{background-color:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chatbot__header-left{position:relative}.chatbot__header-wrapper{flex-shrink:0;position:relative}.chatbot__history-button{color:#4e4e4e;cursor:pointer;background:0 0;border:none;border-radius:16px;align-items:center;gap:6px;padding:6px 12px;font-size:16px;transition:background-color .2s;display:flex}.chatbot__history-button:hover,.chatbot__history-button.active{color:#333;background-color:#f2f2f2}.chatbot__close-button{cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background-color .2s;display:flex}.chatbot__close-button:hover{background-color:#f2f2f2}.chatbot__content{flex-direction:column;flex:1;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.chatbot__drag-overlay{border:2px dashed var(--ui-color-brand-fod-primary-a);z-index:20;pointer-events:none;background-color:rgba(51,51,51,.25);position:absolute;top:0;bottom:0;left:0;right:0}.chatbot__drag-overlay--invalid{background-color:rgba(224,73,73,.05);border-color:#ba1f33}.chatbot__drag-overlay-text{font-family:var(--font-second-bold);color:#fff;pointer-events:none;white-space:nowrap;text-align:center;background-color:#333;border-radius:8px;padding:8px 16px;font-size:14px;position:absolute;transform:translate(-50%,24px);box-shadow:0 2px 8px rgba(51,51,51,.15)}.chatbot__drag-overlay-text--invalid{color:#333;background-color:#fff;border:1px solid #e04949;align-items:center;gap:8px;padding:4px 8px;display:flex;box-shadow:0 5px 20px rgba(169,155,144,.2)}.chatbot__input-container{z-index:10;background-color:#fff;border-top:1px solid #e0e0e0;flex-direction:column;flex-shrink:0;gap:8px;width:100%;min-height:72px;margin-top:auto;padding:16px 8px;display:flex;position:-webkit-sticky;position:sticky;bottom:0}.chatbot__footer{--chatbot-footer-disclaimer-min-width:10rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.chatbot__footer .chatbot__disclaimer{flex:1 1 var(--chatbot-footer-disclaimer-min-width)}.chatbot__disclaimer{font-family:var(--font-second);color:#767676;margin:0;padding-left:4px;font-size:12px;line-height:18px}.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)}}.exit-practice-dialog{--exit-practice-dialog-mascot-width:5rem;--exit-practice-dialog-mascot-height:5.875rem}.exit-practice-dialog .footer-buttons .button--variant-secondary-ghost{--button-color:var(--ui-color-brand-fod-primary-a)}.exit-practice-dialog .MuiDialogContent-root{border-top:1px solid var(--ui-color-neutral-grey-200);border-bottom:1px solid var(--ui-color-neutral-grey-200)}.exit-practice-dialog__content{align-items:center;gap:var(--ui-space-xs);display:flex}.exit-practice-dialog__mascot{width:var(--exit-practice-dialog-mascot-width);height:var(--exit-practice-dialog-mascot-height);background-image:var(--tangerine-ai-bot-look-up);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.exit-practice-dialog__body{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900);flex:1;min-width:0;margin:0}.tutor-ai-tabs{align-items:center;gap:8px;display:flex}.tutor-ai-tabs__tab{font-size:14px;font-family:var(--font-second);color:#333;cursor:pointer;border-radius:var(--border-radius-01);padding:8px;line-height:20px;transition:color .2s;position:relative}.tutor-ai-tabs__tab--active{font-family:var(--font-second-bold);color:#333;cursor:default;background-color:#f9f9f9;font-size:14px;line-height:20px}.sidebar-feedback{--sidebar-feedback-gap:var(--ui-space-xs);gap:var(--sidebar-feedback-gap);flex-direction:column;display:flex}.sidebar-feedback__prompt{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-regular);line-height:var(--ui-line-height-18);color:var(--ui-color-text-secondary);margin:0}.sidebar-feedback--collapsed{align-items:center}.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}.education-year-selector .select-customizable__label{margin-bottom:8px}