.aurora-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 15% 20%,rgba(30,80,200,0.25) 0%,transparent 60%),radial-gradient(ellipse 70% 50% at 85% 75%,rgba(60,30,140,0.18) 0%,transparent 55%),radial-gradient(ellipse 50% 40% at 60% 35%,rgba(0,170,230,0.10) 0%,transparent 50%),radial-gradient(ellipse 60% 50% at 30% 70%,rgba(25,55,110,0.15) 0%,transparent 55%),#0A1628;transform:translateZ(0);will-change:auto;contain:strict;isolation:isolate;-webkit-backface-visibility:hidden;backface-visibility:hidden}.aurora-bg::before{content:'';position:absolute;inset:0;pointer-events:none;z-index:2;background:radial-gradient(ellipse 75% 65% at 50% 50%,transparent 30%,rgba(4,8,16,0.45) 100%)}.aurora-bg::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:3;opacity:0.02;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:256px 256px}[data-theme="light"] .aurora-bg{background:radial-gradient(ellipse 80% 60% at 15% 20%,rgba(0,102,204,0.08) 0%,transparent 60%),radial-gradient(ellipse 70% 50% at 85% 75%,rgba(100,50,180,0.06) 0%,transparent 55%),radial-gradient(ellipse 50% 40% at 60% 35%,rgba(0,170,230,0.05) 0%,transparent 50%),#F5F7FA}[data-theme="light"] .aurora-bg::before{background:radial-gradient(ellipse 75% 65% at 50% 50%,transparent 40%,rgba(245,247,250,0.3) 100%)}[data-theme="black"] .aurora-bg{background:radial-gradient(ellipse 80% 60% at 15% 20%,rgba(0,100,200,0.08) 0%,transparent 60%),radial-gradient(ellipse 70% 50% at 85% 75%,rgba(40,15,100,0.06) 0%,transparent 55%),#000000}[data-theme="black"] .aurora-bg::before{background:radial-gradient(ellipse 75% 65% at 50% 50%,transparent 20%,rgba(0,0,0,0.6) 100%)}@media (prefers-reduced-motion:reduce){.aurora-bg{background:#0A1628}[data-theme="light"] .aurora-bg{background:#F5F7FA}[data-theme="black"] .aurora-bg{background:#000000}}@media print{.aurora-bg{display:none}}