.so-tree {
  position: relative;
}
.so-tree-node {
  position: relative;
  line-height: var(--common-line-height, 1.42857143);
}
.so-tree-node-ltr {
  padding-left: 24px;
}
.so-tree-node-ltr > .so-tree-children {
  margin-left: var(--tree-level-indent, 0);
}
.so-tree-node-rtl {
  padding-right: 24px;
}
.so-tree-node-rtl > .so-tree-children {
  margin-right: var(--tree-level-indent, 0);
}
.so-tree-node > div {
  margin-bottom: var(--tree-node-margin-bottom, 4px);
}
.so-tree-node:last-child > div {
  padding-bottom: 0;
}
.so-tree-with-line > .so-tree-node:only-child:before {
  display: none;
}
.so-tree-with-line .so-tree-node:before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1px;
  background: linear-gradient(to bottom, var(--tree-line-color, var(--gray-500, #adb5bd)), var(--tree-line-color, var(--gray-500, #adb5bd)) 2px, transparent 3px, transparent);
  background-size: 100% 6px;
  content: ' ';
}
.so-tree-rtl.so-tree-with-line .so-tree-node:before {
  left: auto;
  right: 6px;
}
.so-tree-with-line .so-tree-node:after {
  position: absolute;
  top: 11px;
  left: 7px;
  width: 14px;
  height: 1px;
  background: linear-gradient(to right, var(--tree-line-color, var(--gray-500, #adb5bd)), var(--tree-line-color, var(--gray-500, #adb5bd)) 2px, transparent 3px, transparent);
  background-size: 6px 100%;
  content: ' ';
}
.so-tree-rtl.so-tree-with-line .so-tree-node:after {
  left: auto;
  right: 7px;
}
.so-tree-with-line .so-tree-node:last-child:before {
  top: -4px;
  bottom: auto;
  height: 14px;
}
.so-tree-with-line .so-tree-node:first-child:before {
  top: -4px;
}
.so-tree-with-line.so-tree > .so-tree-node:first-child:before {
  top: 9px;
}
.so-tree-with-line .so-tree-icon-plus,
.so-tree-with-line .so-tree-icon-sub {
  position: absolute;
  z-index: 10;
  top: 3px;
  left: 0px;
}
.so-tree-rtl.so-tree-with-line .so-tree-icon-plus,
.so-tree-rtl.so-tree-with-line .so-tree-icon-sub {
  left: auto;
  right: 0px;
}
.so-tree-with-line .so-tree-icon-plus:hover span.so-tree-default-icon,
.so-tree-with-line .so-tree-icon-sub:hover span.so-tree-default-icon {
  border-color: var(--primary-color, #3399ff);
}
.so-tree-with-line .so-tree-icon-plus:focus span.so-tree-default-icon,
.so-tree-with-line .so-tree-icon-sub:focus span.so-tree-default-icon {
  border-color: var(--input-border-focus-color, #80bdff);
  -webkit-box-shadow: 0 0 0 var(--input-focus-width, 3px) var(--input-border-focus-color-fade-25, rgba(128, 189, 255, 0.25));
          box-shadow: 0 0 0 var(--input-focus-width, 3px) var(--input-border-focus-color-fade-25, rgba(128, 189, 255, 0.25));
}
.so-tree-with-line .so-tree-icon-plus span.so-tree-default-icon,
.so-tree-with-line .so-tree-icon-sub span.so-tree-default-icon {
  position: relative;
  display: inline-block;
  width: 13px;
  height: 13px;
  border: solid 1px var(--tree-indicator-color, var(--gray-600, #6c757d));
  background: #fff;
  border-radius: 2px;
}
.so-tree-with-line .so-tree-icon-plus span.so-tree-default-icon:before,
.so-tree-with-line .so-tree-icon-sub span.so-tree-default-icon:before {
  position: absolute;
  top: 5px;
  left: 2px;
  display: block;
  width: 7px;
  height: 0;
  border-bottom: solid 1px transparent;
  border-color: inherit;
  content: ' ';
}
.so-tree-with-line .so-tree-icon-plus span.so-tree-default-icon:after {
  position: absolute;
  top: 2px;
  left: 5px;
  display: block;
  width: 0;
  height: 7px;
  border-right: solid 1px transparent;
  border-color: inherit;
  content: ' ';
}
.so-tree-no-line .so-tree-icon-plus,
.so-tree-no-line .so-tree-icon-sub {
  position: absolute;
  z-index: 10;
  top: 0px;
  left: 0px;
  width: 16px;
}
.so-tree-rtl.so-tree-no-line .so-tree-icon-plus,
.so-tree-rtl.so-tree-no-line .so-tree-icon-sub {
  left: auto;
  right: 0px;
}
.so-tree-no-line .so-tree-icon-plus:after,
.so-tree-no-line .so-tree-icon-sub:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: inline-block;
  padding: 12px;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
  z-index: -1;
}
.so-tree-rtl.so-tree-no-line .so-tree-icon-plus:after,
.so-tree-rtl.so-tree-no-line .so-tree-icon-sub:after {
  left: auto;
  right: 0;
}
.so-tree-no-line .so-tree-icon-plus:hover::after,
.so-tree-no-line .so-tree-icon-sub:hover::after {
  background: var(--gray-100, #f8f9fa);
}
.so-tree-no-line .so-tree-icon-plus .so-tree-default-icon,
.so-tree-no-line .so-tree-icon-sub .so-tree-default-icon {
  border-left-color: var(--gray-600, #6c757d);
}
.so-tree-no-line .so-tree-icon-plus span.so-tree-default-icon,
.so-tree-no-line .so-tree-icon-sub span.so-tree-default-icon {
  position: absolute;
  top: 8px;
  left: 10px;
  display: inline-block;
  width: 0;
  height: 0;
  border-width: 4px 5px;
  border-style: solid;
  border-color: transparent transparent transparent var(--tree-indicator-color, var(--gray-600, #6c757d));
  -webkit-transform-origin: 2px 4px;
      -ms-transform-origin: 2px 4px;
          transform-origin: 2px 4px;
  -webkit-transition: -webkit-transform 0.2s linear;
  transition: -webkit-transform 0.2s linear;
  transition: transform 0.2s linear;
  transition: transform 0.2s linear, -webkit-transform 0.2s linear;
}
.so-tree-rtl.so-tree-no-line .so-tree-icon-plus span.so-tree-default-icon,
.so-tree-rtl.so-tree-no-line .so-tree-icon-sub span.so-tree-default-icon {
  left: auto;
  right: 10px;
  border-color: transparent var(--tree-indicator-color, var(--gray-600, #6c757d)) transparent transparent;
  -webkit-transform-origin: 8px 4px;
      -ms-transform-origin: 8px 4px;
          transform-origin: 8px 4px;
}
.so-tree-no-line .so-tree-icon-sub span.so-tree-default-icon {
  -webkit-transform: rotate(90deg);
      -ms-transform: rotate(90deg);
          transform: rotate(90deg);
}
.so-tree-rtl.so-tree-no-line .so-tree-icon-sub span.so-tree-default-icon {
  -webkit-transform: rotate(-90deg);
      -ms-transform: rotate(-90deg);
          transform: rotate(-90deg);
}
.so-tree-icon-loading {
  position: absolute;
  z-index: 10;
  top: 3px;
  left: 0px;
  width: 12px;
  height: 12px;
  background: #fff;
}
.so-tree-rtl .so-tree-icon-loading {
  right: 0px;
  left: auto;
}
.so-tree-content {
  z-index: 10;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  line-height: 24px;
}
.so-tree-content .so-tree-text {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.so-tree-checkbox {
  z-index: 10;
  font-size: 0;
}
.so-tree-checkbox-ltr {
  margin-right: 6px;
}
.so-tree-checkbox-rtl {
  margin-left: 6px;
}
.so-tree-drag-place {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 0;
}
.so-tree-drag-place div {
  border: dashed 1px #ddd;
  background: var(--gray-100, #f8f9fa);
}
.so-tree.so-tree-rtl {
  direction: rtl;
  text-align: right;
}