[data-regions] {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  font-family: var(--app-font);
}

[data-regions][hidden] {
  display: none;
}

[data-regions] > [data-region] {
  min-width: 0;
}

[data-regions] > [data-region][hidden] {
  display: none;
}

[data-region-nav] {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: start;
}

[data-region-nav][hidden] {
  display: none;
}

[data-region-nav] button {
  box-sizing: border-box;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 16px;
  border: 1px solid var(--app-edge);
  border-radius: 4px;
  background: var(--app-paper);
  color: var(--app-accent);
  font: inherit;
  font-weight: 600;
  overflow-wrap: anywhere;
  cursor: pointer;
}

[data-region-nav] button:hover {
  background: var(--app-selected);
}

[data-region-nav] button[aria-current='page'] {
  background: var(--app-accent);
  border-color: var(--app-accent);
  color: var(--app-paper);
}

[data-region-nav] button[aria-current='page']:hover {
  background: var(--app-hover);
  border-color: var(--app-hover);
}

[data-region-nav] button:focus-visible {
  outline: 3px solid var(--app-accent);
  outline-offset: 3px;
}

@media (min-width: 960px) {
  [data-regions][data-region-layout='tabs'] > [data-region-nav] {
    flex-direction: row;
    flex-wrap: nowrap;
  }

  [data-regions][data-region-layout='sidebar'] {
    grid-template-columns: minmax(11rem, 14rem) 1fr;
  }

  [data-regions][data-region-layout='sidebar'] > [data-region-nav] {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: 16px;
  }
}