@media print {
  @page { size: A4 landscape; margin: 0; }
  html, body {
    width: 297mm !important; height: 210mm !important;
    margin: 0 !important; padding: 0 !important;
    overflow: hidden !important; background: #fff !important;
  }
  .main, #mainArea, .preview-scroll, .preview-container, .sheet-wrap {
    margin: 0 !important; padding: 0 !important;
    overflow: hidden !important; transform: none !important;
    height: auto !important; min-height: 0 !important; box-shadow: none !important;
  }
  .sheet {
    width: 297mm !important; height: 210mm !important;
    overflow: hidden !important;           /* clip anything past the A4 edge */
    position: relative !important; margin: 0 auto !important;
    page-break-after: avoid !important; page-break-inside: avoid !important;
    break-after: avoid !important; break-inside: avoid !important;
  }
  .certificate { overflow: hidden !important; }
  /* nothing else prints */
  .sidebar, .main-toolbar, #undoFlash, #templateOverlay, #compOverlay,
  #fontPreviewOverlay, #certGrid, #alignGuides, .toast, .cs-frame, .cs-h,
  .cs-rot, .cs-tools, .text-sticker .th, .text-sticker .cs-frame { display: none !important; }
}