/* ─── Footer, theme toggle, mobile bottom nav ─── */

.footer {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

.footer nav {
  gap: 22px;
  font-size: 0.875rem;
}

.theme-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 800;
  cursor: pointer;
}

/* ─── Mobile bottom navigation (hidden by default, shown at 680px breakpoint) ─── */

.bottom-nav {
  display: none;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 120ms ease;
}

.bottom-nav-item.is-active,
.bottom-nav-item:hover {
  color: var(--accent);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
}