/* S63 (O1) bgfx.css: jonli fon canvas'i (bgfx.js). #bg (.aurora) ichida turadi; sahna yoqilganda CSS aurora dog'lari yashiriladi.
   Kirishda va sahna almashganda canvas 0.6 s da yumshoq chiqadi; data-motion="off" va reduced-motion da darhol (motion.css). */
.bgfx-host { position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none; }
canvas.bgfx { position:absolute; left:0; top:0; width:100%; height:100%; display:block; pointer-events:none; opacity:0; transition:opacity .6s ease; }
canvas.bgfx.on { opacity:1; }
.bgfx-on > i, .bgfx-on > svg.grain { display:none; }
@media (prefers-reduced-motion:reduce) { canvas.bgfx { transition:none; } }