tolaria/src/components/Editor.css

.editor {
  background: #0f0f1a;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.editor__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: #555;
}

.editor__placeholder p {
  margin: 8px 0;
}

.editor__cm-container {
  flex: 1;
  overflow: auto;
}

.editor__cm-container .cm-editor {
  height: 100%;
}