.selector-group {
  /* Smaller sizing for base converter dropdowns (Binary, Decimal, etc.) */
  min-width: 120px;
  max-width: 160px;
}

/* Responsive adjustments specific to base converter */
@media (max-width: 450px) {
  .selector-group {
    /* Allow base converter dropdowns to shrink more before wrapping */
    min-width: 80px;
    max-width: none;
  }
}