body.slyym-atmosphere-enabled {
  background: #071321 !important;
  isolation: isolate;
}
/* The prior CSS draft must not compete with the canvas layer. */
body.slyym-atmosphere-enabled::before { content: none !important; }
#slyym-atmosphere {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at 65% 25%, #112f4c, #071321 60%, #040c16);
  overflow: hidden; contain: strict;
}
#slyym-atmosphere canvas { display:block; width:100%; height:100%; filter:blur(5px); }
@media (prefers-reduced-motion: reduce) { #slyym-atmosphere canvas { display:none; } }