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h2{margin:.75em 0 .4em;font-size:1.25rem;font-weight:700}.lesson-rich-prose h3{margin:.65em 0 .35em;font-size:1.08rem;font-weight:650}.lesson-rich-prose ul,.lesson-rich-prose ol{margin:.4em 0 .75em;padding-left:1.35rem}.lesson-rich-prose li{margin:.2em 0}.lesson-rich-prose ul[data-type=taskList]{padding-left:0;list-style:none}.lesson-rich-prose ul[data-type=taskList] li{align-items:flex-start;gap:.4rem;display:flex}.lesson-rich-prose ul[data-type=taskList] input[type=checkbox]{accent-color:var(--accent);pointer-events:none;margin-top:.2em}.lesson-rich-prose blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);background:var(--surface-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:.75em 0;padding:.45em 0 .45em .9rem}.lesson-rich-prose pre{border-radius:var(--radius-sm);background:var(--bg-input);font-family:var(--font-mono);margin:.75em 0;padding:.75rem .85rem;font-size:.88rem;overflow-x:auto}.lesson-rich-prose code{font-family:var(--font-mono);background:var(--bg-input);border-radius:4px;padding:.08em .28em;font-size:.9em}.lesson-rich-prose pre code{background:0 0;padding:0}.lesson-rich-prose hr{border:0;border-top:1px solid var(--border-default);margin:1.1rem 0}.lesson-rich-prose a{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.lesson-rich-prose mark{background:color-mix(in srgb, var(--warning) 40%, transparent);border-radius:2px;padding:.04em .1em}.lesson-plain-prose{color:var(--text-primary);max-width:65ch}