.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)}.typing-indicator{justify-content:center;align-items:center;gap:7px;margin-top:0;display:flex}.typing-indicator--inline{background-color:transparent;border:none;justify-content:flex-start;width:auto;margin-top:8px;padding:8px 0 0}.typing-indicator span{border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typing-pulse;display:inline-block}.typing-indicator span:first-child{background-color:var(--ui-color-brand-fod-primary-a);animation-delay:0s}.typing-indicator span:nth-child(2){background-color:var(--ui-color-brand-fod-dark);animation-delay:.2s}.typing-indicator span:nth-child(3){background-color:var(--ui-color-brand-fod-light);animation-delay:.4s}@keyframes typing-pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.6)}}.practice-mascot-dialog{--practice-mascot-dialog-mascot-width:5rem;--practice-mascot-dialog-mascot-height:5.875rem;--practice-mascot-dialog-mascot-image:none}.practice-mascot-dialog--look-up{--practice-mascot-dialog-mascot-image:var(--tangerine-ai-bot-look-up)}.practice-mascot-dialog--disconnected{--practice-mascot-dialog-mascot-image:var(--tangerine-ai-bot-disconnected)}.practice-mascot-dialog .MuiDialogContent-root{border-top:1px solid var(--ui-color-neutral-grey-200);border-bottom:1px solid var(--ui-color-neutral-grey-200)}.practice-mascot-dialog__content{align-items:center;gap:var(--ui-space-xs);display:flex}.practice-mascot-dialog__mascot{width:var(--practice-mascot-dialog-mascot-width);height:var(--practice-mascot-dialog-mascot-height);background-image:var(--practice-mascot-dialog-mascot-image);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.practice-mascot-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}.ai-practice-view__header-left{gap:var(--ui-space-xxs);flex-direction:column;align-items:flex-start;display:flex;overflow:hidden}.ai-practice-view__progress-container{flex-direction:row;align-items:center;gap:8px;width:100%;display:flex}.ai-practice-view__progress-container .progress-bar{width:100%;height:12px}.ai-practice-view__progress-container .progress-bar .progress-bar__bar{background:var(--ui-color-neutral-grey-200);border-radius:16px}.ai-practice-view__progress-container .progress-bar .progress-bar__progress{background:var(--ui-color-brand-fod-primary-a);border-radius:16px 16px 0}.ai-practice-view__progress-container--100 .progress-bar .progress-bar__bar .progress-bar__progress{border-radius:16px}.ai-practice-view__content{width:80%;margin:0 auto}.ai-practice-view .ai-practice-view__lesson-title{border-bottom:1px solid var(--color-bg-03);align-items:center;padding:12px 16px;display:flex}.ai-practice-view .ai-practice-view__lesson-title-text{font-family:var(--font-second);color:#4e4e4e;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:600;line-height:normal;overflow:hidden}.ai-practice-view__activity-container{width:100%;margin:0 auto}.ai-practice-view__activity-container .card{border-radius:16px;padding:0;box-shadow:0 2px 5px rgba(0,0,0,.15)}.ai-practice-view__activity-container 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.card{border-radius:16px;padding:0;box-shadow:0 2px 5px rgba(0,0,0,.15)}.ai-practice-view__summary-content{background-color:#fff;border-radius:16px;flex-direction:column;gap:0;padding:0;display:flex;overflow:hidden}.ai-practice-view__summary-upper-section{flex-direction:column;gap:16px;padding:16px;display:flex}.ai-practice-view__summary-celebration{text-align:center;flex-direction:column;align-items:center;gap:0;display:flex}.ai-practice-view__summary-celebration-image{--summary-robot-image:var(--tangerine-ai-bot-celebrating);background-image:var(--summary-robot-image);background-position:50%;background-repeat:no-repeat;background-size:contain;width:130px;height:130px}.ai-practice-view__summary-celebration-image--success{--summary-robot-image:var(--tangerine-ai-bot-celebrating)}.ai-practice-view__summary-celebration-image--progress{--summary-robot-image:var(--tangerine-ai-bot-help)}.ai-practice-view__summary-celebration-image--failure{--summary-robot-image:var(--tangerine-ai-bot-fail)}.ai-practice-view__summary-title{font-family:var(--font-first);color:#333;margin:0 0 16px;font-size:26px;font-weight:600;line-height:40px}.ai-practice-view__summary-learning-sections{background-color:var(--color-bg-04);border:1px solid var(--color-bg-01);border-radius:16px;flex-direction:column;gap:16px;padding:12px;display:flex}.ai-practice-view__summary-review{align-items:center;gap:var(--ui-space-md);padding:var(--ui-space-md);flex-direction:column;display:flex}.ai-practice-view__summary-review-card{margin-top:var(--ui-space-md)}.ai-practice-view__summary-review-message{background-color:var(--ui-color-blue-100);border:var(--ui-stroke-1)solid 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solid var(--ui-color-green-500)}.ai-practice-view__summary-response-indicator--incorrect{background:var(--ui-color-red-400);border:2px solid var(--ui-color-red-500)}.ai-practice-view__summary-response-number{color:#fff;font-family:var(--font-first);font-size:18px;font-weight:800;line-height:normal}.ai-practice-view__notify-button{cursor:pointer;background:#f9f9f9;border:1px solid #f2f2f2;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;padding:0;transition:all .2s ease-in-out;display:flex}.ai-practice-view__notify-button .icon{width:16px;height:16px;transition:color .2s ease-in-out}.ai-practice-view__notify-button .icon--color-default{color:#e04949!important}.ai-practice-view__notify-button:not(:disabled):hover{background:#f2f2f2;border:1px solid #e0e0e0}.ai-practice-view__notify-button:not(:disabled):hover .icon{color:#333}.ai-practice-view__notify-button:not(:disabled):active{background:#f9f9f9;transform:translateY(0);box-shadow:inset 0 3px rgba(224,224,224,.7)}.ai-practice-view__notify-button:not(:disabled):active .icon{color:#333}.ai-practice-view__notify-button:disabled{cursor:not-allowed;background:#f2f2f2;transform:none;box-shadow:0 1px 2px rgba(0,0,0,.05)}.ai-practice-view__notify-button:disabled .icon{color:#ababab}.ai-practice-view .card__content{position:relative}.ai-practice-view .lemonade-exercises .lemo-question-header{width:calc(100% - 64px)}.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 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.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}.tutor-usage-section{flex-direction:column;gap:24px;display:flex}.tutor-usage-section__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:28px}.tutor-usage-section__stats{--tutor-usage-section-stat-min-width:13rem;grid-template-columns:repeat(auto-fit,minmax(var(--tutor-usage-section-stat-min-width),1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.tutor-usage-section__stats-item{display:grid}.tutor-usage-section__empty{font-family:var(--font-second);color:#767676;text-align:center;margin:0;padding:24px 0;font-size:14px}.tutor-usage-section__loading{justify-content:center;align-items:center;padding:48px 0;display:flex}.unit-recommendations-card{width:100%;margin-bottom:16px;display:flex;overflow:hidden}.unit-recommendations-card__indicator{background-color:#00b4c5;border-radius:8px 0 0 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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 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