/* CO02: conservation des proportions, pages et reliure d'origine Windows.
   Seuls les zones tactiles et le bandeau EXPLICITE de démonstration sont ajoutés. */
.co02-label{position:fixed;left:8px;bottom:8px;z-index:1000;max-width:min(500px,90vw);border:1px solid rgba(112,91,74,.25);background:rgba(248,244,237,.94);color:#675849;border-radius:8px;padding:6px 10px;font:600 10px/1.3 system-ui;pointer-events:none;box-shadow:0 3px 12px #493c3120}
@media (pointer:coarse) and (orientation:landscape) and (min-width:781px){
  button,.bookmark-tab,.page-tool{touch-action:manipulation}
  .page-arrow,.page-tool,.project-link,.bookmark-tab{min-height:40px}
  .book-spread{grid-template-columns:minmax(0,1fr) minmax(0,1fr)!important}
  .physical-page.mobile-off{display:block!important}
}
@media (prefers-reduced-motion:reduce){.physical-book *{scroll-behavior:auto!important}}

/* Never silently present the phone layout as a validated iPad landscape design. */
.co02-screen-warning{display:none}
@media (orientation:portrait), (max-width:780px){
 .co02-screen-warning{display:block;position:fixed;top:0;left:0;right:0;z-index:1200;background:#f8f4ed;color:#594e40;border-bottom:1px solid #b3a390;padding:12px 18px;text-align:center;font:600 13px/1.4 system-ui;pointer-events:none}
}