/* Hokusai-inspired ink-line watermark (shared/_hokusai_backdrop), fixed
   behind the four library index pages (history/favorites/artists/albums),
   each with its own motif local. Pure currentColor line art at low opacity —
   stays inside the three-pigment rule (ADR-021), no fourth colour
   introduced. */

.hokusai-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  color: var(--text);
  opacity: 0.06;
  overflow: hidden;
}
.hokusai-backdrop svg { width: 100%; height: 100%; display: block; }

@media print {
  .hokusai-backdrop { display: none; }
}