/* Preview placeholder markers — ON by default; html.live hides them. */
[data-ph]{outline:2px dashed #f59e0b;outline-offset:2px;position:relative}
[data-ph]::after{content:"PLACEHOLDER · " attr(data-ph);position:absolute;top:-.65rem;left:0;
  font:600 10px/1 system-ui,sans-serif;background:#f59e0b;color:#111;padding:2px 6px;
  border-radius:4px;white-space:nowrap;z-index:5;pointer-events:none}
.ph-banner{position:sticky;top:var(--header-h);z-index:980;background:#f59e0b;color:#111;text-align:center;
  font:600 13px/1.4 system-ui,sans-serif;padding:8px 12px}
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}}