/* Click-to-zoom for diagrams (graphviz SVG + any img.zoomable).
   Vendored, dependency-free. See zoom.js. */

.graphviz img,
img.zoomable {
  cursor: zoom-in;
  max-width: 100%;
}

#arb-zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: rgba(10, 12, 16, 0.92);
  display: none;
  overflow: hidden;
  cursor: grab;
}
#arb-zoom-overlay.open { display: block; }
#arb-zoom-overlay.grabbing { cursor: grabbing; }

#arb-zoom-overlay img {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  transform-origin: 0 0;
  user-select: none;
  -webkit-user-drag: none;
}

#arb-zoom-hint {
  position: fixed;
  top: 10px;
  right: 16px;
  z-index: 100001;
  display: none;
  color: #fff;
  font: 13px/1.4 system-ui, sans-serif;
  opacity: 0.75;
  pointer-events: none;
}
#arb-zoom-overlay.open ~ #arb-zoom-hint { display: block; }