/* Quantum-Like Lab by Ethan Dickey. Gate controls developed under his guidance. */
.gate-controls .gate-description {
  border-left: 3px solid var(--teal);
  padding: 8px 12px;
  background: #0e2833;
  margin: 10px 0 16px;
}
.gate-bit-picker,
.gate-pair-picker {
  margin: 14px 0;
  padding: 12px 14px;
  border: 1px solid #385364;
  border-radius: 9px;
  min-width: 0;
}
.gate-bit-picker legend,
.gate-pair-picker legend {
  padding: 0 6px;
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
}
.gate-bit-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
}
.gate-bit-options label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #132f3d;
  border-radius: 7px;
}
.gate-bit-options button {
  margin-left: auto;
}
.gate-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}
.gate-comparison button {
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
  white-space: normal;
  border: 1px solid #385364;
  border-radius: 10px;
  background: #0a1924;
  padding: 14px;
}
.gate-comparison button.selected {
  border-color: var(--teal);
  box-shadow: inset 0 0 0 1px var(--teal);
  background: #0c2933;
}
.gate-comparison strong {
  color: #e2f1f4;
}
.gate-comparison button span {
  display: block;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 8px 0 0;
}
.gate-shared-result {
  padding: 10px 13px;
  background: #162735;
  border-radius: 7px;
  font-size: 0.9rem;
}
.gate-physical-note {
  margin: 14px 0;
}
.gate-physical-note summary {
  cursor: pointer;
  color: var(--teal);
}
.gate-physical-note p {
  font-size: 0.88rem;
}
@media (max-width: 600px) {
  .gate-comparison {
    grid-template-columns: 1fr;
  }
  .gate-bit-options button {
    margin-left: 0;
  }
}

.gate-comparison button:hover {
  border-color: var(--teal);
}
.gate-comparison button:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}