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var(--line);border-radius:14px}.notice{margin:16px 0}.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(270px,1fr);gap:28px}.panel{background:white;padding:26px;border:1px solid var(--line);border-radius:18px;margin-bottom:22px}.panel img.cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}.lesson-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid var(--line);padding:17px 0}.lesson-row div{min-width:0}.lesson-row small{display:block;color:var(--muted)}.breadcrumb{font-size:14px;margin-bottom:24px}.interactive-frame{display:block;width:100%;min-height:650px;border:1px solid var(--line);border-radius:12px;background:white}video{width:100%;border-radius:14px;background:#111}.site-footer{border-top:1px solid var(--line);padding:30px 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h2{font-size:26px}h1{letter-spacing:-1px}.filters,.grid,.split,.admin-grid,.form-grid{grid-template-columns:1fr}.section-top{align-items:flex-start}.section-top h2{font-size:24px}.site-footer{flex-direction:column;gap:5px}.card-content{padding:20px}.interactive-frame{min-height:600px}.lesson-row{align-items:flex-start}.editor-tabs{flex-wrap:wrap}.panel{padding:20px}}

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