/* Reader-local pinch zoom: retain one-finger scrolling while blocking browser-page zoom. */
.reader-viewport{touch-action:pan-x pan-y}
.scroll-stage{flex:0 0 auto}
.reader-viewport.is-pinching .page-stage,.reader-viewport.is-pinching .scroll-stage{transform:scale(var(--pinch-scale,1));transform-origin:top center}