.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 3px;
  flex-shrink: 0;
}
.lang-switch-btn {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.45);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.25s ease, color 0.25s ease;
}
.lang-switch-btn:hover { color: rgba(255,255,255,0.8); }
.lang-switch-btn.active {
  background: rgba(37,99,235,0.9);
  color: #fff;
  box-shadow: 0 2px 8px -2px rgba(37,99,235,0.6);
}
@media (max-width: 480px) {
  .lang-switch-btn { padding: 5px 7px; font-size: 10.5px; }
}