.sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  background: var(--white);
  border-left: 1px solid var(--dark-gray);
  user-select: var(--user-select);
}

.sidebar-resize-area {
  height: 100%;
  width: 4px;
  display: block;
  position: absolute;
  top: 0;
  left: -2px;
  opacity: .5;
  /*cursor: ew-resize;*/
  cursor: col-resize;
}

.sidebar label {
  font-weight: 600;
  margin: 12px 18px;
  margin-bottom: 4px;
}

.sidebar hr {
  width: 100%;
  display: block;
  border: none;
  border-bottom: 1px solid var(--light-gray);
}

.sidebar-tabs {
  border-bottom: 1px solid var(--light-gray);
}

.sidebar-tabs ul {
  flex: 1;
  display: flex;
  list-style: none;
  padding: 0 10px;
  margin: 0;
}

.sidebar-tab {
  box-sizing: border-box;
  padding: 12px 8px;
  opacity: .5;
  cursor: pointer;
}

.sidebar-tab.active {
  opacity: 1;
}

.sidebar-content {
  flex: 1;
  min-height: 0;
  flex-direction: column;
  display: none;
}

.sidebar-content.active {
  display: flex;
}

.sidebar x-list,
.sidebar drop-area {
  flex: 1;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  padding: 12px;
  margin-top: auto;
  border-top: 1px solid var(--light-gray);
}

.sidebar-footer button {
  display: block;
}

.sidebar-row {
  display: flex;
  margin: 6px 0;
  padding: 0 10px;
}

.sidebar x-bar {
  --margin: 8px 18px;
}

.sidebar x-field {
  --margin: 6px 12px;
}

.sidebar-row x-field {
  flex: 1;
  min-width: 0;
  --margin: 0 2px;
}

.sidebar .properties,
.sidebar .global {
  overflow-y: auto;
  padding: 6px 0;
}

.sidebar-list {
  padding: 0;
  margin: 12px;
  list-style: none;
  display: table;
  border-spacing: 6px 12px;
}

.sidebar-list li {
  display: table-row;
  color: var(--dark-gray);
}

.sidebar-list li span,
.sidebar-list li strong {
  display: table-cell;
}

.sidebar-list li strong {
  font-weight: 500;
  color: var(--black);
}

.sidebar .preview {

  --margin: 18px;
  margin: 6px var(--margin);
  box-sizing: border-box;
  width: calc(100% - var(--margin) * 2);
  background-color: var(--extra-light-gray);
  background-size: cover;
  background-position: center;
}

.sidebar .preview::before {
  content: '';
  display: block;
  margin-top: 50%;
}


@media (max-width: 400px) {
  .sidebar {
    width: 100%;
    border: none;
  }
}