/* ==========================================================================
   M-Convert — Guide/article layout
   Two-column layout with sticky table of contents on desktop.
   ========================================================================== */

.guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .guide-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: var(--space-12);
  }
}

.guide-toc {
  position: sticky;
  top: calc(var(--header-h) + var(--space-4));
  align-self: start;
  font-size: var(--fs-sm);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  max-height: calc(100vh - var(--header-h) - var(--space-8));
  overflow-y: auto;
}

.guide-toc h2 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  font-weight: var(--fw-semibold);
}

.guide-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}

.guide-toc li {
  counter-increment: toc;
  margin-bottom: var(--space-2);
}

.guide-toc a {
  color: var(--color-text-secondary);
  text-decoration: none;
  display: block;
  padding: var(--space-1) 0;
  line-height: var(--lh-snug);
}

.guide-toc a::before {
  content: counter(toc) ". ";
  color: var(--color-text-muted);
  margin-right: 2px;
}

.guide-toc a:hover {
  color: var(--color-primary);
}

@media (max-width: 1023px) {
  .guide-toc {
    position: static;
    max-height: none;
  }
}

.prose dt {
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-top: var(--space-4);
}

.prose dd {
  margin-left: 0;
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.prose dl {
  margin: 0 0 var(--space-6);
}