/* Series table of contents (layouts/partials/series-nav.html) and series index (layouts/series/term.html).
   Uses the theme's CSS variables, so light and dark modes follow automatically. */

/* Bottom table of contents */
.series-nav {
  margin: 40px 0 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.series-nav__header {
  margin: 0;
  padding: 12px 16px;
  font-weight: bold;
  border-bottom: 1px solid var(--border-color);
}

.series-nav__count {
  font-weight: normal;
  color: var(--color-secondary);
}

.series-nav ol.series-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.series-nav__item + .series-nav__item {
  border-top: 1px solid var(--border-color);
}

.series-nav__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--color);
  text-decoration: none;
}

a.series-nav__link:hover {
  background: var(--background-secondary);
}

a.series-nav__link:hover .series-nav__title {
  text-decoration: underline;
}

.series-nav__num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--background-secondary);
  color: var(--color);
  font-size: 0.85rem;
}

.series-nav__title {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.series-nav__item--current .series-nav__link {
  color: var(--color);
  font-weight: bold;
}

.series-nav__item--current .series-nav__num {
  background: var(--color);
  color: var(--background);
}

@media (max-width: 684px) {
  .series-nav {
    margin: 30px 0 15px;
  }
  .series-nav__header,
  .series-nav__link {
    padding-left: 12px;
    padding-right: 12px;
  }
  /* Too narrow to truncate usefully: let titles wrap */
  .series-nav__title {
    white-space: normal;
  }
}

/* Series index page */
.series-index__meta {
  color: var(--color-secondary);
  margin-top: -10px;
}

.series-index__part {
  font-weight: bold;
}