/* iPhone Chrome: anchor at the top and lay the unchanged bar at the frame end.
   This avoids WebKit's bottom-fixed toolbar offset; native document scrolling stays intact. */
@media (max-width:760px) {
  html[data-chrome-ios-edge="true"] .mobile-nav-viewport {
    inset:0 0 auto!important;
    height:100%!important;
    height:100dvh!important;
    display:flex!important;
    flex-direction:column;
    justify-content:flex-end;
    pointer-events:none;
  }
  html[data-chrome-ios-edge="true"] .mobile-nav-viewport[data-keyboard-open="true"] {
    display:none!important;
  }
}