.preview-watermark {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  user-select: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='240' viewBox='0 0 420 240'%3E%3Cg transform='translate(210 120) rotate(-28)'%3E%3Ctext x='0' y='0' text-anchor='middle' fill='%23ffffff' fill-opacity='.15' font-family='Arial,sans-serif' font-size='20' font-weight='700' letter-spacing='2'%3ECUSTOMER PREVIEW%3C/text%3E%3Ctext x='0' y='28' text-anchor='middle' fill='%230d9dff' fill-opacity='.2' font-family='Arial,sans-serif' font-size='12' font-weight='700' letter-spacing='1.5'%3ENOT LICENSED FOR USE%3C/text%3E%3C/g%3E%3C/svg%3E");
  background-position: center;
}

.preview-watermark::after {
  content: "CUSTOMER PREVIEW  •  NOT LICENSED FOR USE";
  position: fixed;
  left: 50%;
  bottom: max(10px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100vw - 24px);
  padding: 8px 14px;
  border: 1px solid rgba(13, 157, 255, .65);
  border-radius: 999px;
  background: rgba(3, 9, 14, .88);
  color: rgba(255, 255, 255, .92);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .45);
  font: 700 11px/1.2 Inter, Arial, sans-serif;
  letter-spacing: .12em;
  text-align: center;
}

@media (max-width: 760px) {
  .preview-watermark {
    background-size: 300px 172px;
  }

  .preview-watermark::after {
    font-size: 9px;
    letter-spacing: .09em;
  }
}

@media print {
  .preview-watermark {
    position: fixed;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}