.adaptive-heading {
  &__header-wrapper {
    display: flex;
    flex-wrap: wrap;
    line-height: 1.5em;
    height: 1.5em;
    overflow: hidden;
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
  }

  // zero specificity so Text's own white-space wins on a Text root, as it did under Stylable
  :where(&__header-wrapper) {
    white-space: nowrap;
  }

  &__header-wrapper--appearance-h3 {
    line-height: 1.3em;
    height: 1.3em;
  }

  &__header-short {
    display: block;
    width: 0;
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__header-short:not(&__header-short &__header-short) > * > * {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__header-full {
    flex-basis: 100%;
  }

  &__ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
  }
}