/* Air Conditioner BTU Calculator — minimal layout helpers. */
.btu-dims {
  display: flex;
  gap: var(--space-3);
}
.btu-dims .field {
  flex: 1 1 0;
  min-width: 0;
}
@media (max-width: 480px) {
  .btu-dims { flex-direction: column; gap: 0; }
}

.btu-tips {
  margin: 0;
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--neutral-700);
  font-size: 14px;
  line-height: 1.5;
}
.btu-tips li { list-style: disc; }