.lesson-preview{max-width:760px;margin:24px auto;padding:32px}.lesson-meta{display:flex;justify-content:space-between;gap:16px;color:#617477;font-size:14px}.lesson-preview progress{width:100%;height:8px;accent-color:#005362;margin:20px 0 28px}.lesson-preview #lesson-screen{min-height:250px;outline:none}.lesson-expression{font-size:clamp(36px,6vw,56px);line-height:1.2;margin:24px 0 8px;color:#005362}.lesson-translation{font-size:26px;margin:0 0 24px}.lesson-context{font-size:17px;color:#617477}.lesson-navigation{display:flex;justify-content:flex-end;gap:12px;border-top:1px solid #e5e1d8;padding-top:20px;margin-top:24px}.lesson-answers{display:grid;gap:12px;margin-top:24px}.lesson-answer{text-align:left;background:#f1f4ef;color:#123b42;border:1px solid #cadad3}.lesson-answer[aria-pressed="true"]{border:2px solid #005362;background:#dceee5}.lesson-feedback{padding:16px;border-radius:8px;background:#e8efe7;margin-top:20px}.lesson-feedback.retry{background:#f9ebdc}.lesson-summary{font-size:23px}.lesson-preview button{min-height:44px}.lesson-preview [hidden]{display:none!important}@media(max-width:650px){.lesson-preview{padding:22px}.lesson-meta{flex-direction:column;gap:4px}.lesson-preview #lesson-screen{min-height:220px}}