/* The bottom navigation bar, as in BirdBrain: fixed to the foot of the screen,
   clear of the home indicator, one equal-width button per section. */
.navbot {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  height: calc(var(--navbot-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  display: flex;
  background: var(--surface-raised);
  border-top: 1px solid var(--line);
}
.nav-link-bottom {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 12px;
  text-decoration: none;
}
.nav-link-bottom svg { width: 24px; height: 24px; }
.nav-link-bottom.selected {
  color: var(--brand-plum);
  font-weight: 700;
}