html, body { min-height: 100%; }

#networkCanvas {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: -9999 !important; /* Pure content ke pichhe lock karega */
    pointer-events: none !important; /* Click/scroll ko block nahi hone dega */
}
body > *:not( #networkCanvas):not(script):not(style) {
  position: relative;
  z-index: 1;
}