tb-deck, tb-card, tb-pointer {
  display: block;
}

tb-deck {
  container-type: inline-size;
  margin-block: 1rem;
  border: 1px solid var(--color-background-border, #aaa);
  border-radius: .4rem;
  padding: 1rem;
}

tb-card {
  margin-block: 1rem;
}

tb-card[hidden], .tb-deck__controls[hidden], .tb-card__caption[hidden],
.tb-deck__card-caption[hidden], .tb-deck__selector[hidden] {
  display: none;
}

.tb-deck__caption, .tb-card__caption {
  font-weight: bold;
}

tb-deck[data-enhanced="true"] {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 1rem;
  row-gap: .25rem;
  align-items: start;
}

tb-deck[data-enhanced="true"] > .tb-deck__caption {
  grid-area: 1 / 1;
  margin: 0;
  overflow-wrap: anywhere;
}

.tb-deck__controls {
  display: contents;
}

.tb-deck__card-caption {
  grid-area: 2 / 1;
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

tb-deck[data-enhanced="true"] > .tb-deck__cards {
  grid-area: 3 / 1 / auto / -1;
  min-width: 0;
  margin-top: .25rem;
  border-top: 1px solid var(--color-background-border, #aaa);
}

tb-deck[data-enhanced="true"] > .tb-deck__cards > tb-card {
  margin-block: .5rem 0;
}

.tb-deck__navigation {
  grid-area: 1 / 2 / 3 / 3;
  justify-self: end;
  min-width: 0;
  max-width: 100%;
  display: grid;
  /* Fixed tracks keep long option labels from widening the button row. */
  grid-template-columns: repeat(4, 2.75rem);
  justify-content: end;
  align-items: center;
  gap: .25rem .5rem;
}

.tb-deck__controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 2.75rem;
  box-sizing: border-box;
  height: 1lh;
  min-height: 0;
  padding: 0 .5rem;
  cursor: pointer;
  font: inherit;
}

.tb-deck__controls button svg {
  width: 1em;
  height: 1em;
}

.tb-deck__controls button:disabled {
  cursor: default;
}

.tb-deck__controls button:focus-visible,
.tb-deck__selector:focus-visible {
  outline: 2px solid var(--color-brand-primary, #1f6feb);
  outline-offset: 2px;
}

.tb-deck__status {
  grid-column: 1 / -1;
  justify-self: end;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.tb-deck__selector {
  grid-column: 1 / -1;
  box-sizing: border-box;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  height: 1lh;
  padding: 0 .25rem;
  font: inherit;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Give captions the full width when there is little room beside navigation. */
@container (max-width: 32rem) {
  .tb-deck__navigation {
    grid-area: 1 / 1 / 2 / -1;
  }

  tb-deck[data-enhanced="true"] > .tb-deck__caption {
    grid-area: 2 / 1 / 3 / -1;
  }

  .tb-deck__card-caption {
    grid-area: 3 / 1 / 4 / -1;
  }

  tb-deck[data-enhanced="true"] > .tb-deck__cards {
    grid-row: 4;
  }
}

.tb-pointer__marker {
  display: inline-flex;
  align-items: center;
  font-weight: bold;
}

.tb-pointer__marker--down {
  flex-direction: column;
}

.tb-pointer__marker--left {
  flex-direction: row-reverse;
  gap: .35rem;
}

.tb-pointer__arrow {
  font-size: 1.5rem;
  line-height: 1;
}

.tb-pointer__description--placed, .tb-deck__status-caption,
.tb-deck__selector:not([hidden]) + .tb-deck__status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.tb-pointer__caption {
  display: block;
  font-size: .85em;
}

tb-array .tb-array__pointers > td, tb-array td.tb-array__pointers {
  border: none;
  vertical-align: bottom;
}

tb-array .tb-array__end {
  border-style: dashed;
  color: var(--color-foreground-secondary, #555);
}