/* Engineering Playbook — mdbook custom styles
   Minimal overrides. Let mdbook defaults handle most typography. */

/* Content area width */
.content main {
  max-width: 820px;
}

/* Part headers in sidebar */
.sidebar .chapter li.part-title {
  font-weight: 700;
  margin-top: 1.5em;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--sidebar-fg);
  opacity: 0.6;
}

/* Heading rhythm */
.content main h1 {
  border-bottom: none;
}

/* Code block refinement */
.content main pre {
  border-radius: 4px;
}

/* Table refinement */
.content main table th {
  font-weight: 600;
}