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.exercise textarea{display:block;width:100%;resize:vertical;border:1px solid #d7e1f0;border-radius:12px;padding:12px;margin:8px 0 12px;font:inherit;color:#253963;background:#fff}
.legacy-lesson-aside .audio-card{position:static;top:auto}
.legacy-lesson-content .audio-card{position:static;top:auto}
.legacy-lesson-layout{align-items:start}
.lesson-tutor-sidebar{position:sticky;top:94px;min-width:0;max-height:calc(100vh - 110px);overflow-y:auto}
.lesson-tutor-sidebar .tutor-card{margin-top:10px}
.lesson-tutor-sidebar .tutor-card-lesson{display:flex;flex-direction:column;max-height:inherit;margin:0;padding:18px;border-radius:16px;overflow:hidden}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-heading h3{margin:0;color:#1b3266;font-size:1.15rem}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-heading p{margin:3px 0 0;color:#75819a;font-size:.82rem}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-preferences{gap:8px 12px;margin-top:12px;font-size:.76rem}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-preferences label{gap:6px}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-preferences .select{max-width:142px;padding:6px;font-size:.76rem}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-messages{flex:1;min-height:72px;max-height:none;margin:12px 0;overflow:auto;overscroll-behavior:contain}
.lesson-tutor-sidebar .tutor-card-lesson .voice-conversation{flex:none;margin:8px 0;padding:8px}
.lesson-tutor-sidebar .tutor-card-lesson #tutor-form{flex:none;gap:7px}
.lesson-tutor-sidebar .tutor-card-lesson #tutor-form .primary{padding:11px 14px;border-radius:10px;box-shadow:none}
.lesson-tutor-sidebar .tutor-card-lesson .tutor-composer{grid-template-columns:minmax(0,1fr) auto;gap:6px}
.lesson-tutor-sidebar .tutor-card-lesson textarea{min-height:76px;padding:9px;font-size:.85rem}
.lesson-tutor-sidebar .tutor-card-lesson .mic-button{padding:8px;font-size:.8rem}
@media(max-width:800px){.lesson-tutor-sidebar{position:static;max-height:none;overflow:visible}.lesson-tutor-sidebar .tutor-card-lesson{max-height:none;padding:18px}.lesson-tutor-sidebar .tutor-card-lesson .tutor-messages{flex:none;max-height:220px;min-height:66px}}
.source-sections{margin-top:22px;padding:18px 20px;border-radius:16px;background:#f7faff;color:#52627e}
.source-sections ul{margin:10px 0 0;padding-left:20px}
.lesson-source-section h2{margin:0 0 12px;color:#1c3157;font-size:1rem;text-transform:uppercase;letter-spacing:.06em}
.lesson-source-content{white-space:pre-wrap;line-height:1.65;color:#263954}
.lesson-source-media{display:block;width:100%;margin-top:16px}
.unit-complete{border-color:#cce8d7;background:#f7fcf9}
.tutor-message.stale{opacity:.65}
.tutor-preferences{margin-top:10px;font-size:.82rem;color:#536586;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}.tutor-preferences label{display:flex;align-items:center;gap:8px;width:fit-content;cursor:pointer}.tutor-preferences input{accent-color:#152e71}.tutor-preferences .accent-preference select{margin-left:2px}
.voice-conversation{padding:12px;border:1px solid #d9e5f7;border-radius:14px;background:#fff;margin:15px 0}.voice-conversation-button{width:100%;padding:11px 14px;border-radius:11px;background:#152e71;color:#fff;font-weight:750}.voice-conversation-button.end-voice{background:#a43a2c}.voice-conversation-status{min-height:1.3em;margin-top:7px;font-size:.8rem;text-align:center;color:#536586}.voice-conversation-status:empty{display:none}