.gtf {
  max-width: 600px;
  margin: 20px auto;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.gtf-input-group {
  margin-bottom: 15px;
}

.gtf-input-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.gtf-input-group input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.gtf-message-input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 10px;
}

.gtf-submit-button {
  background: #0073aa;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}

.gtf-submit-button:hover {
  background: #005177;
}

.gtf-submit-button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.gtf-file-contents {
  margin-top: 20px;
  padding: 10px;
  border: 1px solid #eee;
  border-radius: 4px;
  background: #f9f9f9;
  white-space: pre-wrap;
  font-family: monospace;
}