.header-tools { display: flex; align-items: center; gap: 18px; }
.language-switch { display: flex; align-items: center; gap: 4px; color: var(--muted); font-size: 10px; }
.language-switch button { border: 0; padding: 4px 2px; background: transparent; color: inherit; font: inherit; font-weight: 700; cursor: pointer; opacity: .5; }
.language-switch button.active { color: var(--blue); opacity: 1; }

@media (max-width: 600px) {
  .header-tools > span:first-child { display: none; }
}