:host {
  --background-fixed: var(--pine-color-base-white);
  --border: var(--pine-border-default);
  border-color: inherit;
  box-sizing: border-box;
  display: table-header-group;
  vertical-align: middle;
}
:host::part(checkbox-cell) {
  background-color: var(--background-fixed);
  left: 0;
  position: sticky;
  z-index: 1;
}

:host pds-table-checkbox-cell {
  border-block-end: var(--border);
}