/* Preview placeholder markers — hidden on live (html.live or ?live) */
[data-ph]{ outline:2px dashed #f59e0b; outline-offset:3px; position:relative; }
[data-ph]::after{
  content:"PLACEHOLDER · " attr(data-ph); position:absolute; top:-.7rem; 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:0; z-index:9999; 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; } }