.chat-icon-button{cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:0;transition:all .2s;display:flex;position:relative}.chat-icon-button--large{width:32px;height:32px}.chat-icon-button--large .icon{width:20px;height:20px}.chat-icon-button--small{width:24px;height:24px}.chat-icon-button--small .icon{width:14px;height:14px}.chat-icon-button--default{color:#767676}.chat-icon-button--error{color:#e04949}.chat-icon-button:hover:not(.chat-icon-button--disabled){color:#333;background-color:#f2f2f2}.chat-icon-button:active:not(.chat-icon-button--disabled){background-color:#f2f2f2;box-shadow:inset 0 3px rgba(224,224,224,.7)}.chat-icon-button:focus-visible{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px}.chat-icon-button--disabled{opacity:.5;cursor:not-allowed}.chat-d3-modal .dialog__content{padding:0;overflow:hidden}.chat-d3-modal__content{background-color:#f2f2f2;width:100%;height:80vh;position:relative}.chat-d3-modal__iframe{background-color:#fff;border:none;width:100%;height:100%}.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-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%)}}.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:"⚡"}.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}.analytics-filter-bar{align-items:center;gap:16px;display:flex}.analytics-filter-bar__filter{min-width:200px}.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}.distribution-bar,.distribution-bar__container{width:100%;position:relative}.distribution-bar__container--with-labels-above{margin-top:40px}.distribution-bar__segments-wrapper{width:100%;height:24px;display:flex}.distribution-bar__segment-wrapper{flex-direction:column;align-items:center;height:24px;display:flex;position:relative}.distribution-bar__segment-wrapper--with-border:after{content:"";border-right:2px dashed #0095a2;width:1px;position:absolute;top:-10px;bottom:-10px;right:0}.distribution-bar__label-container{z-index:2;flex-direction:column;align-items:center;display:flex;position:absolute;top:-40px;left:100%;transform:translate(-50%)}.distribution-bar__label-container--last{transform:translate(-100%)}.distribution-bar__percentage-value{font-size:18px;font-weight:700;font-family:var(--font-first);color:#4e4e4e;white-space:nowrap;line-height:28px}.distribution-bar__segment{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.distribution-bar__segment--mastered{background-color:#0095a2}.distribution-bar__segment--in-progress{background-color:#00b4c5}.distribution-bar__segment--not-started{background-color:#d4fbff}.distribution-bar__segment-label{font-size:12px;font-weight:600;font-family:var(--font-first);color:#333;white-space:nowrap;z-index:1}.distribution-bar__segment--first{border-radius:8px 0 0 8px}.distribution-bar__segment--last{border-radius:0 8px 8px 0}.distribution-bar__segment--only{border-radius:8px}.distribution-bar__segment-wrapper:first-child .distribution-bar__segment{border-radius:8px 0 0 8px}.distribution-bar__segment-wrapper:last-child .distribution-bar__segment{border-radius:0 8px 8px 0}.distribution-bar__segment-wrapper:only-child .distribution-bar__segment{border-radius:8px}.distribution-bar__legend{gap:16px;margin-top:16px;display:flex}.distribution-bar__legend-item{align-items:center;gap:8px;display:flex}.distribution-bar__legend-color{border-radius:2px;flex-shrink:0;width:28px;height:12px}.distribution-bar__legend-text{color:#4e4e4e;font-family:Lato Regular,sans-serif;font-size:14px;font-weight:500;line-height:1}.distribution-bar__labels{display:none}.distribution-bar--small .distribution-bar__container--with-labels-above{margin-top:26px}.distribution-bar--small .distribution-bar__segments-wrapper,.distribution-bar--small .distribution-bar__segment-wrapper{height:8px}.distribution-bar--small .distribution-bar__label-container{top:-26px}.distribution-bar--small .distribution-bar__segment--first{border-radius:4px 0 0 4px}.distribution-bar--small .distribution-bar__segment--last{border-radius:0 4px 4px 0}.distribution-bar--small .distribution-bar__segment--only{border-radius:4px}.distribution-bar--small .distribution-bar__percentage-value{font-family:var(--font-first);color:#4e4e4e;text-align:right;font-size:14px;font-weight:500;line-height:20px}.alert-resolved-status{gap:var(--ui-space-xs);flex-direction:column;display:flex}.alert-resolved-status__info{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-align:center;margin:0}.alert-resolved-status__badge{justify-content:center;align-items:center;gap:var(--ui-space-sm);border-radius:var(--ui-radius-xl);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-28);color:var(--ui-color-text-inverse);background-image:var(--ui-gradient-brand);opacity:.4;padding:var(--ui-space-xs)0;display:flex}.alert-resolved-status__badge .icon__wrapper svg{width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);fill:var(--ui-color-icon-inverse)}.alert-detail-drawer__header{background-color:var(--ui-color-neutral-grey-100);flex-direction:column;display:flex}.alert-detail-drawer__navigation{padding:var(--ui-space-xxs)var(--ui-space-xs);justify-content:space-between;align-items:center;display:flex}.alert-detail-drawer__navigation-controls{align-items:center;gap:var(--ui-space-xxxs);display:flex}.alert-detail-drawer__navigation-button{cursor:pointer;border-radius:var(--ui-radius-md-lg);color:#767676;background:0 0;border:none;justify-content:center;align-items:center;width:28px;height:28px;padding:0;display:flex}.alert-detail-drawer__navigation-button:hover{background-color:var(--ui-color-neutral-grey-100);color:var(--ui-color-text-default)}.alert-detail-drawer__navigation-button:disabled{opacity:.3;cursor:default;color:#767676}.alert-detail-drawer__navigation-button:disabled:hover{color:#767676;background-color:transparent}.alert-detail-drawer__navigation-counter{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);color:var(--ui-color-text-secondary);text-align:center;min-width:32px}.alert-detail-drawer__student-info{padding:var(--ui-space-xs)var(--ui-space-xs)var(--ui-space-xs)var(--ui-space-md);align-items:center;gap:var(--ui-space-xs);background-color:var(--ui-color-neutral-white);display:flex}.alert-detail-drawer__student-trigger{align-items:center;gap:var(--ui-space-xs);cursor:pointer;text-align:left;background:0 0;border:none;min-width:0;padding:0;display:flex}.alert-detail-drawer__student-trigger:focus-visible{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px;border-radius:var(--ui-radius-xl)}.alert-detail-drawer__avatar{font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-semibold);color:var(--ui-color-text-secondary);background-color:#f2f2f2;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.alert-detail-drawer__avatar--group{background-color:#04d5e8}.alert-detail-drawer__avatar--group .icon__wrapper{justify-content:center;align-items:center;display:flex}.alert-detail-drawer__avatar--group .icon__wrapper svg{fill:var(--ui-color-icon-inverse)}.alert-detail-drawer__avatar-img{object-fit:cover;border-radius:50%;width:100%;height:100%}.alert-detail-drawer__student-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);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.alert-detail-drawer__group-name{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);line-height:var(--ui-line-height-20);color:var(--ui-color-text-secondary);white-space:nowrap;text-align:center;flex:1}.alert-detail-drawer__date{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);line-height:var(--ui-line-height-20);color:var(--ui-color-text-secondary);white-space:nowrap;flex-shrink:0;margin-left:auto}.alert-detail-drawer__close-button{cursor:pointer;border-radius:var(--ui-radius-xl);color:#767676;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;padding:0;display:flex}.alert-detail-drawer__close-button:hover{background-color:var(--ui-color-neutral-grey-100);color:var(--ui-color-text-default)}.alert-detail-drawer .drawer__footer{padding:var(--ui-space-xs)var(--ui-space-md);background-color:var(--ui-color-neutral-grey-100)}.alert-detail-drawer .drawer__footer .button svg{width:24px;height:24px}.alert-detail-drawer__footer{align-items:stretch;gap:var(--ui-space-xs);background-color:var(--ui-color-neutral-grey-100);flex-direction:column;display:flex}.alert-detail-drawer__footer-actions{justify-content:flex-end;align-items:stretch;gap:var(--ui-space-sm);display:flex}.alert-detail-drawer__loading,.alert-detail-drawer__error,.alert-detail-drawer__empty{padding:var(--ui-space-3xl);justify-content:center;align-items:center;height:100%;display:flex}.alert-detail-drawer__error,.alert-detail-drawer__empty{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);color:#767676;text-align:center}.alert-detail-drawer__messages{padding:var(--ui-space-md)}.alert-detail-drawer__messages .chat-messages{height:auto;overflow:visible}.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}