/* Specific styles for Accessible Tree */

div.viewport {
  margin: 2rem 0;
}

div.treeview {
  overflow: auto;
  width: 40%;
  height: 350px;
  padding: 0.5rem;
  margin-top: 1rem;
  border: 1px solid #a0a0a0;
  float: left;
}

div.books {
  overflow: auto;
  width: 40%;
  height: 350px;
  padding: 0.5rem;
  margin-top: 1rem;
  border: 1px solid #a0a0a0;
  margin-left: 5%;
  float: left;
}

div.treeview ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

div.treeview li {
  font-size: 1.1em;
  border-bottom: 1px dotted #c0c0c0;
}
div.treeview li li {
  font-size: 100%;
}
div.treeview li li:last-child {
  border: none;
}

div.treeview ul ul {
  margin-left: 2em;
}

div.treeview ul > li > a {
  display: block;
  text-decoration: none;
  background: transparent;
  padding: 0.3em 0.5em;
}

div.treeview ul > li > a.branch[aria-selected="true"] {
  color: #000;
  background: #f2d3a1;
}

div.treeview ul > li > a[aria-expanded="false"]:before {
  color: red;
  content: "+ \00A0";
}

div.treeview ul > li > a[aria-expanded="true"]:before {
  color: blue;
  content: "- \00A0";
}

div.treeview ul > li > a.leaf[aria-selected="true"] {
  color: #000;
  background: #f2d3a1;
}

a[aria-disabled="true"] {
  color: #ccc;
  background: #bdbdbd;
  cursor: auto;
}

a[aria-checked="false"] {
  background: url("../img/unchecked.svg");
  background-repeat: no-repeat;
  background-position: center;
}

a[aria-checked="mixed"] {
  background: url("../img/indeterminate.svg");
  background-repeat: no-repeat;
  background-position: center;
}

a[aria-checked="true"] {
  background: url("../img/checked.svg");
  background-repeat: no-repeat;
  background-position: center;
}

@media screen and (min-width: 1600px) {
  div.treeview {
    float: left;
    width: 40%;
    margin-top: 1rem;
    height: 450px;
    display: -webkit-flex;
    display: -ms-flex;
    display: flex;
  }
  div.books {
    float: right;
    width: 50%;
    height: 450px;
  }
  .sample-block {
    padding: 1rem 0;
  }
  ul.top.tree {
    flex: 1 0 25%;
  }
}
