.whiteboard-example {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.dev-log-wrap {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 350px);
}
.dev-log {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.dev-log .log-holders {
  padding: 10px;
}
.dev-log .log-holders,
.dev-log .log-holder-wrap,
.dev-log .log-holder {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.log-holder-wrap h2 {
  margin: 10px 0;
}
.log-holder-wrap .stack-count {
  font-weight: normal;
  font-size: 14px;
}
.dev-log-wrap .network {
  margin-top: 10px;
}

.canvas {
  position: relative;
  width: 100%;
  height: 350px;
}
.canvas .toolbar {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.toolbar button {
  margin: 2px;
  padding: 4px 6px;
  color: #666;
}
.canvas .shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #eee;
  overflow: hidden;
}
.canvas .shape {
  position: absolute;
  width: 50px;
  height: 50px;
  border-style: solid;
  border-width: 2px;
}
.selection-tools {
  display: none;
  position: absolute;
  z-index: 1;
  top: 4px;
  right: 4px;
  background: #fff;
  padding: 6px;
  border-radius: 4px;
  justify-content: center;
  gap: 4px;
}
.selection-tools .color-picker {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 120px;
}
.selection-tools .color {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  margin: 4px;
  border: 1px solid #ddd;
}
.selection-tools .color:nth-child(1) {
  background: orangered;
}
.selection-tools .color:nth-child(2) {
  background: gold;
}
.selection-tools .color:nth-child(3) {
  background: limegreen;
}
.selection-tools .color:nth-child(4) {
  background: dodgerblue;
}
.selection-tools .color:nth-child(5) {
  background: darkviolet;
}
.selection-tools .color:nth-child(6) {
  background: darkorange;
}
.selection-tools .color:nth-child(7) {
  background: dimgray;
}
.selection-tools .color:nth-child(8) {
  background: white;
}