body {
  color: #111;

  width: 100%;
  height: 100%;
}

.content {
  display: flex;
  flex-direction: row;

  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  
  padding: 16px;
  overflow-y: auto;
}

.pane {
  display: flex;
  flex: 1;
  flex-direction: column;

  border: 1px solid #ccc;
  border-radius: 8px;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
}

.sidebar {
  flex-basis: 350px;
  flex-grow: 0;
  margin-left: 16px;
}

h1 {
  color: #0d6efd;
  font-size: 24px;
  text-align: center;
}

h2 {
  font-size: 20px;
  margin: 8px 0;
}

.input-group {
  margin-bottom: 8px;
}

.sidebar textarea {
  min-height: 100px;
  resize: none;
}

#display {
  display: flex;
  flex: 1;
}

circle {
  fill: #0d6efd;
}

line {
  stroke-width: 2px;
  stroke: #bbb;
}

text {
  font-family: monospace;
  fill: #666;
}

.red {
  color: red;
}