.lesson-stage{position:relative;min-height:300px;aspect-ratio:4/3;border-radius:20px;overflow:hidden;background:radial-gradient(ellipse at center,#3b304c,#11131c)}.lesson-avatar{position:absolute;inset:12% 18%;background:url(/public/character/round/avatar.svg) center/contain no-repeat;transition:filter .3s}.lesson-speaking{filter:drop-shadow(0 0 22px #d4b777)}.lesson-trainer{position:absolute;bottom:15px;left:18px;color:#fff}.lesson-preview{position:absolute;right:12px;top:12px;width:29%;max-height:160px;aspect-ratio:3/4;object-fit:cover;transform:scaleX(-1);border-radius:12px;background:#15151c;border:1px solid #ffffff40}.lesson-consent{display:flex;align-items:flex-start;gap:10px;line-height:1.65;font-size:13px;margin:12px 0}.lesson-consent input{margin-top:5px;flex:none}.lesson-answer{white-space:pre-wrap;line-height:1.7;margin:14px 0}.lesson-call details{font-size:13px;line-height:1.7}.lesson-call .coaching-controls{flex-wrap:wrap}.lesson-call .coaching-controls button{min-height:44px}.lesson-stage [hidden]{display:none}@media(max-width:480px){.lesson-stage{min-height:260px}.lesson-call .coaching-controls button{flex:1 1 45%;font-size:12px}}