.opening-map-document-branch-panel {
  position: fixed;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 280px;
  max-width: calc(100vw - 16px);
  margin: 0;
  padding: 8px;
  overflow: auto;
  box-sizing: border-box;
  border: 1px solid var(--map-border-strong);
  background: var(--map-panel-solid);
  color: var(--map-text);
}

.opening-map-document-branch-panel[hidden],
.opening-map-document-branch-action[hidden],
.opening-map-document-branch-empty[hidden] { display: none; }

.opening-map-document-branch-empty {
  margin: 0;
  padding: 6px 8px;
  font: 400 15px/1.4 var(--map-ui-font);
}

.opening-map-document-branch-action {
  min-width: 0;
  min-height: 36px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--map-text);
  font: 400 15px/1.4 var(--map-ui-font);
  text-align: left;
  cursor: pointer;
}

.opening-map-document-branch-action:enabled:hover { background: var(--map-control-hover); }
.opening-map-document-branch-action:focus-visible { outline: var(--document-focus-outline, 2px solid var(--map-accent)); outline-offset: 1px; }
.opening-map-document-branch-action:disabled { opacity: 0.45; cursor: default; }
.opening-map-document-branch-action-icon { display: none; }

@media screen and (min-width: 821px) {
  .opening-map-document-branch-panel {
    --map-control-hover: color-mix(in srgb, var(--map-accent) 9%, var(--map-panel-solid));
    gap: 0;
    width: 15.5em;
    padding: 0;
    border-color: var(--map-border);
    font: 400 var(--document-branch-font-size)/1.3 var(--map-ui-font);
  }
  .opening-map-document-branch-action {
    display: grid;
    grid-template-columns: 1.1em minmax(0, 1fr);
    align-items: center;
    column-gap: 0.45em;
    min-height: 1.8em;
    padding: 0.3em 0.7em;
    padding-inline-start: calc(0.7em - 2px);
    border: 0;
    border-inline-start: 2px solid transparent;
    border-radius: 0;
    font: inherit;
  }
  .opening-map-document-branch-action-icon {
    display: block;
    width: 1.1em;
    height: 1.1em;
    filter: var(--map-icon-filter);
  }
  .opening-map-document-branch-panel > .opening-map-document-branch-action:focus-visible {
    background: var(--map-control-hover);
    border-inline-start-color: var(--map-accent);
    outline: none;
  }
  .opening-map-document-branch-empty { padding: 0.3em 0.7em; font: inherit; }
}

@media print {
  .opening-map-document-branch-panel { display: none; }
}