@keyframes slideIn{0%{opacity:0;transform:translate(100%)}60%{opacity:1;transform:translate(0)}80%{opacity:1;transform:translate(-15%)}to{opacity:1;transform:translate(0)}}.chatbot-button,.chatbot-button-toast{--chatbot-trigger-bottom:7em;--chatbot-trigger-right:2em;--chatbot-trigger-size:100px}.chatbot-button{bottom:var(--chatbot-trigger-bottom);right:var(--chatbot-trigger-right);cursor:pointer;z-index:100;transition:opacity .5s linear;animation:.6s ease-out forwards slideIn;display:flex;position:fixed}.chatbot-button__image{width:var(--chatbot-trigger-size);height:var(--chatbot-trigger-size);background-image:var(--tangerine-ai-bot);background-position:50%;background-repeat:no-repeat;background-size:cover}.chatbot-button--disconnected .chatbot-button__image{background-image:var(--tangerine-ai-bot-disconnected)}.chatbot-button:focus-visible{outline:var(--focus-ring-size,var(--ui-stroke-2))solid 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.topic-ranking-item__bar-fill{background-color:#4eabff}.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 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