/* Only the six For Students lessons load these additions. */
.lesson-path-nav {
  max-width: var(--width-content);
  margin: 2rem auto;
  padding: 1.25rem;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  background: var(--color-bg-warm);
  font-family: var(--font-sans);
}
.lesson-path-nav p { margin: 0 0 0.75rem; }
.lesson-path-links { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.lesson-path-links a { display: block; padding: 0.5rem 0; overflow-wrap: anywhere; }
.lesson-path-links span { display: block; font-size: 0.85rem; color: var(--color-text-muted); }
.lesson-path-nav a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.lesson-layout-note {
  max-width: var(--width-content);
  margin: 1rem auto 2rem;
  padding: 1rem;
  background: var(--color-bg-warm);
  font: 0.9rem/1.6 var(--font-sans);
}
.lesson-comparisons { width: 100%; border-collapse: collapse; table-layout: fixed; margin: 2rem 0; }
.lesson-comparisons th,
.lesson-comparisons td { padding: 0.8rem; text-align: left; vertical-align: top; border: 1px solid var(--color-rule); overflow-wrap: anywhere; }
.lesson-comparisons th { background: var(--color-bg-warm); }
.article-body .lesson-comparisons h2 { margin: 0; padding: 0; border: 0; font-size: 1.05rem; }
.article-body .lesson-comparisons p { margin: 0; font-size: 1rem; }

@media screen and (max-width: 650px) {
  .lesson-path-links { grid-template-columns: 1fr; gap: 0.5rem; }
  .lesson-comparisons,
  .lesson-comparisons tbody,
  .lesson-comparisons tr,
  .lesson-comparisons td { display: block; width: auto; }
  .lesson-comparisons thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .lesson-comparisons tbody tr { margin-bottom: 1.25rem; border: 1px solid var(--color-rule); }
  .lesson-comparisons td { border: 0; padding: 0.85rem; }
  .lesson-comparisons td + td { border-top: 1px solid var(--color-rule-light); }
  .lesson-comparisons td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.3rem;
    font: 600 0.85rem/1.4 var(--font-sans);
    color: var(--color-heading);
  }
}

@media print {
  .lesson-path-nav { display: none; }
  .lesson-comparisons { font-size: 9pt; }
  .lesson-comparisons tr { break-inside: avoid; }
  .article-body .lesson-comparisons p { font-size: 9pt; }
}