.ctj-wrapper {
  max-width: 800px;
  margin: 20px auto;
  font-family: Arial, sans-serif;
}
.ctj-wrapper h3 {
  margin-bottom: 10px;
}
.ctj-wrapper textarea {
  width: 100%;
  height: 150px;
  padding: 10px;
  font-family: monospace;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  resize: vertical;
  margin-bottom: 10px;
}
.ctj-wrapper input[type="file"],
.ctj-wrapper button {
  margin-bottom: 10px;
  padding: 6px 12px;
}