/* Explicit active-state styling for the Chatting section navigation. */
.nav a:not(.current),
.nav a:not(.current):link,
.nav a:not(.current):visited {
  padding-bottom: 12px !important;
  border-bottom: 1px solid transparent !important;
  color: var(--color-muted) !important;
  font-weight: 500 !important;
}

.nav a.current,
.nav a.current:link,
.nav a.current:visited {
  padding-bottom: 10px !important;
  border-bottom: 3px solid var(--color-accent) !important;
  color: var(--color-accent) !important;
  font-weight: 600 !important;
}

.content0,
.content0:target,
.content:has(.content0:target) .content0.active:not(:target) {
  display: none;
}

.content0.active {
  display: block;
}