/* ------------------------------------------------------------------ *
 * Navigation + table-of-contents polish
 * Theme-agnostic (spacing / line-height only, no colour overrides) so
 * both light and slate schemes are unaffected.
 * ------------------------------------------------------------------ */

/* Right-hand table of contents: give wrapped items room to breathe and
 * tighten the vertical rhythm so long entries read cleanly. */
.md-nav--secondary .md-nav__title {
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  opacity: 0.75;
}
.md-nav--secondary .md-nav__link {
  line-height: 1.4;
  margin-top: 0.45em;
  padding-right: 0.4rem;
}
.md-nav--secondary .md-nav__item .md-nav__item .md-nav__link {
  margin-top: 0.3em;
  font-size: 0.62rem;
}

/* Left-hand navigation (now the primary sidebar): a touch more breathing
 * room between items and clearer nesting. */
.md-nav--primary .md-nav__item {
  padding-top: 0.05rem;
}
.md-nav--primary .md-nav__item .md-nav__item > .md-nav__link {
  font-size: 0.68rem;
}

/* The header title now behaves as a home link (see header-home.js). */
.md-header__title {
  transition: opacity 0.15s ease;
}
.md-header__title:hover {
  opacity: 0.85;
}