.signal-field{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.signal-field canvas{display:block;width:100%;height:100%}.signal-field>div{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 40%,#07101922 0,#07101911 55%,transparent 85%)}