.ohr-chain {
  display: flex;
  gap: 0.5em;
  align-items: flex-start;
}

.ohr-chain select,
.ohr-chain button {
  width: 275px; /* fixed width for uniformity */
  padding: 0.5em;
  box-sizing: border-box;
}

/* Ensure visual consistency across form controls */
.ohr-chain select,
.ohr-chain button {
  border: 1px solid #ccc;
  background-color: #fff;
}

/* Align heights uniformly (avoid fixed height due to cross-browser quirks) */
.ohr-chain select,
.ohr-chain button {
  height: auto;
}