.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.lang-switch:hover {
  border-color: var(--color-primary);
}

.lang-switch__opt {
  opacity: 0.45;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.lang-switch__opt.is-active {
  opacity: 1;
  color: var(--color-primary);
}

.lang-switch__sep {
  opacity: 0.35;
}

/* inverse: used on dark surfaces */
.lang-switch--inverse {
  color: var(--color-warm-bg);
  border-color: rgba(247, 247, 243, 0.25);
}
.lang-switch--inverse .lang-switch__opt.is-active {
  color: var(--color-warm-bg);
}
.lang-switch--inverse:hover {
  border-color: var(--color-warm-bg);
}