/* Preview placeholder markers — hidden on the live build (html.live or ?live) */
[data-ph]{outline:2px dashed #f59e0b;outline-offset:2px;position:relative}
[data-ph]::after{
  content:"PLACEHOLDER · " attr(data-ph);position:absolute;top:-.7rem;left:0;
  font:600 10px/1 "JetBrains Mono",ui-monospace,monospace;background:#f59e0b;color:#111;
  padding:2px 6px;border-radius:4px;white-space:nowrap;z-index:5;pointer-events:none;
}
.ph-banner{
  position:sticky;top:0;z-index:9999;background:#f59e0b;color:#111;text-align:center;
  font:600 13px/1.4 "JetBrains Mono",ui-monospace,monospace;padding:8px 12px;letter-spacing:.02em;
}
html.live [data-ph]{outline:none}
html.live [data-ph]::after,html.live .ph-banner{display:none}
@media print{[data-ph]::after,.ph-banner{display:none}}