/*
  Contour — icon button
  Shared by the mobile topbar (menu, theme) and sidebar (close, theme).
  Sized to a 44px touch target regardless of the icon's own visual size.
*/

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.icon-button:hover {
  background-color: var(--color-hover-overlay);
  color: var(--color-text-primary);
}

.icon-button:active {
  background-color: var(--color-active-overlay);
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* ---------- Language toggle ---------- */
.lang-toggle__divider {
  opacity: 0.4;
}

.lang-toggle__option {
  opacity: 0.5;
  transition: opacity var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.lang-toggle__option.is-active {
  opacity: 1;
  color: var(--color-accent);
}

.lang-toggle--compact {
  gap: 2px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}