/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

tree {
  display: block;
  outline: none;
  overflow: auto;
}

.tree-item > .tree-row {
  -webkit-user-select: none;
  background-color: rgba(255, 255, 255, 0);
  border: 1px solid rgba(255, 255, 255, 0); /* transparent white */
  border-radius: 2px;
  color: black;
  cursor: default;
  line-height: 28px;
  padding: 0 3px;
  position: relative;
  white-space: nowrap;
}

.expand-icon {
  -webkit-transform: rotate(-90deg);
  -webkit-transition: all 150ms;
  background-image: -webkit-canvas(tree-triangle);
  background-position: 50% 50%;
  background-repeat: no-repeat;
  display: inline-block;
  height: 16px;
  opacity: .6;
  position: relative;
  top: 6px;
  vertical-align: top;
  width: 16px;
}

html[dir=rtl] .expand-icon {
  -webkit-transform: rotate(90deg);
}

.tree-item[expanded] > .tree-row > .expand-icon {
  -webkit-transform: rotate(0);
  background-image: -webkit-canvas(tree-triangle);
  opacity: .5;
}

.tree-row .expand-icon {
  visibility: hidden;
}

.tree-row[may-have-children] .expand-icon {
  visibility: visible;
}

.tree-row[has-children=false] .expand-icon {
  visibility: hidden;
}

.tree-row:hover {
  background-color: hsl(214, 91%, 97%);
  border-color: hsl(214, 91%, 85%);
  z-index: 1;
}

/*
  WebKit has a bug with attribute selectors so we apply selected to the tree row
  as well.

  https://bugs.webkit.org/show_bug.cgi?id=12519

*/
.tree-row[selected] {
  background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0.8),
                                            rgba(255,255,255,0));
}

.tree-row[selected] {
  background-color: hsl(0, 0%, 90%);
  border-color: hsl(0, 0%, 85%);
  z-index: 2;
}

.tree-row[selected]:hover,
tree:focus .tree-row[selected] {
  background-color: hsl(214, 91%, 89%);
  border-color: rgb(125, 162, 206);
}

.tree-children[expanded] {
  display: block;
}

.tree-children {
  display: none;
}

.tree-item > .tree-row > * {
  box-sizing: border-box;
  display: inline-block;
}

.tree-label {
  -webkit-padding-start: 20px;
  background-position: 0 50%;
  background-repeat: no-repeat;
  white-space: pre;
}

html[dir=rtl] .tree-label {
  background-position: 100% 50%;
}

html[dir=rtl] .tree-label,
html[dir=rtl] .tree-row[may-have-children] > .tree-label {
  background-image: -webkit-image-set(
      url('data:image/png;base64,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') 1x);
}

html[dir=rtl] .tree-item[expanded] > .tree-row > .tree-label {
  background-image: -webkit-image-set(
     url('data:image/png;base64,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') 1x);
}

tree[icon-visibility=hidden] .tree-label {
  -webkit-padding-start: 0;
  background-image: none !important;
}

tree[icon-visibility=parent] .tree-label,
tree[icon-visibility=parent] .tree-row[has-children=false] > .tree-label {
  background-image: none;
}

.tree-label,
.tree-row[may-have-children] > .tree-label {
  background-image: -webkit-image-set(
      url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAASCAYAAAC5DOVpAAABNklEQVQ4y2P5//8/A7UACwMVAdiwpkSHNCA1E4t8et38A7NIddnMnIoCMIObmxtMP7h5mWHlkk0gC4g3DOQqUVkVhoeXjoIFGBn/gWmmfz8YZCT5Qa7GFagYrga5bGZGSRwDA1jLfwZ4fABpbRco5z9UHCr56/VDhp7uhTOhQcOI4k1QjDL++wM2gfE/0GUg/O8flP0XKPcXKvYXrOnn82t4wgzkM5BhSAaBDfnzDSIOxn/BYgQjAOyyv7/BBoFdgWwIyACYy35+IcKwvyDDfkE0/f4KFIC55h/E2aCw+vGZuKTxH6TpD9Cw358RrgEZAAl1oIu+Ep/OQC5jALnszw+IZuQsRqRBtMlOHy9sYeBiZyVa07efv3Ealj599YWZpLrC2CMO0zBolphJps8YsYUZ46ArzwDWgLJTS2LvKwAAAABJRU5ErkJggg==') 1x);
}

.tree-item[expanded] > .tree-row > .tree-label {
  background-image: -webkit-image-set(
      url('data:image/png;base64,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') 1x);
}

/* We need to ensure that even empty labels take up space */
.tree-label:empty::after {
  content: ' ';
  white-space: pre;
}

.tree-rename > .tree-row > .tree-label {
  -webkit-user-modify: read-write-plaintext-only;
  -webkit-user-select: auto;
  background: white;
  color: black;
  outline: 1px solid black;
}

.tree-item[editing] input {
  /* Do not inherit the line-height */
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  margin: -2px -8px -2px -3px;
outline: none;
  padding: 1px 7px 1px 1px;
}

html[dir=rtl] .tree-item[editing] input {
  margin: -2px -3px -2px -8px;
  padding: 1px 1px 1px 7px;
}