.chevronBtn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
  flex-shrink: 0;
  border-radius: 3px;
  width: 24px;
  height: 24px;
  color: var(--color-text-secondary, #64748b);
}

.chevronBtn:hover:not(:disabled) {
  background: var(--color-primary-light, rgba(74, 111, 165, 0.12));
  color: var(--color-primary, #4a6fa5);
}

.chevronBtn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.chevronBtn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-bg, #fff), 0 0 0 4px rgba(74, 111, 165, 0.45);
}

.chevronIcon {
  font-size: 11px;
  transition: transform 0.15s ease;
}

.chevronIconExpanded {
  transform: rotate(90deg);
}