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32px);max-height:calc(100svh - 32px);color:var(--ink);box-shadow:var(--shadow-clay);overscroll-behavior:contain;border-radius:28px;margin:auto;padding:clamp(16px,3vw,28px)}.lesson-player::backdrop{backdrop-filter:blur(7px);background:#202319c2}html:has(.lesson-player[open]){overflow:hidden}.lesson-player__head{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px;display:flex}.lesson-player__head .eyebrow{margin-bottom:8px}.lesson-player__head h2{margin:0;font-size:clamp(23px,3vw,36px);line-height:1.2}.lesson-player__head .account-badge{margin-top:12px}.lesson-player__close{border:1px solid var(--line);background:var(--paper);width:44px;height:44px;color:var(--ink);font:20px var(--sans);cursor:pointer;border-radius:50%;flex:none;place-items:center;padding:0;display:grid}.lesson-player__close:hover{background:var(--glow)}.lesson-player__close:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.lesson-player__stage{background:var(--soft);border-radius:18px;place-items:center;min-height:200px;display:grid;overflow:hidden}.lesson-video{aspect-ratio:16/9;object-fit:contain;background:var(--ink);width:100%;max-height:calc(100svh - 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