/* Development-only Prompt Lab marker; production layout remains authoritative. */
[data-prompt-lab]::before {
  content: "DEV WEB";
  display: inline-block;
  margin: 0 0 .75rem;
  padding: .2rem .45rem;
  border: 1px solid #4f46e5;
  border-radius: .35rem;
  color: #3730a3;
  font: 600 .75rem/1 system-ui, sans-serif;
  letter-spacing: .08em;
}