#ahs-spv-root { display:block; margin: 12px 0; }
#pdf-controls button { margin: 0 6px; padding:6px 10px; }
#ahs-pdf-canvas { max-width:100%; height:auto; }

#ahs-pdf-viewer {
  width: 100%;
  overflow-x: auto;
  text-align: center;
}

#ahs-pdf-viewer canvas {
  opacity: 0;
  transition: opacity 0.3s ease;
}
#ahs-pdf-viewer canvas.rendered {
  opacity: 1;
}