:root{--white:#fff;--black:#000;--transparent:transparent;--amber-200:#fde68a;--amber-300:#fcd34d;--amber-400:#fbbf24;--amber-500:#f59e0b;--amber-600:#d97706;--purple-200:#e9d5ff;--purple-300:#d8b4fe;--yellow-200:#fef08a;--yellow-300:#fde047;--yellow-400:#facc15;--orange-300:#fdba74;--orange-400:#fb923c;--rose-300:#fda4af;--lime-300:#bef264;--emerald-200:#a7f3d0}.aurora-background{position:absolute;inset:-10px;opacity:.3;will-change:transform;background-size:300% 200%;background-position:50% 50%;filter:blur(10px);animation:aurora 60s linear infinite}.aurora-background.warm-sunset{background-image:repeating-linear-gradient(100deg,var(--amber-500) 10%,var(--orange-400) 15%,var(--rose-300) 20%,var(--amber-200) 25%,var(--orange-300) 30%)}.aurora-background.royal-gold{background-image:repeating-linear-gradient(100deg,var(--amber-400) 10%,var(--purple-300) 15%,var(--amber-300) 20%,var(--yellow-200) 25%,var(--purple-200) 30%)}.aurora-background.natural-earth{background-image:repeating-linear-gradient(100deg,var(--amber-500) 10%,var(--lime-300) 15%,var(--amber-300) 20%,var(--emerald-200) 25%,var(--yellow-300) 30%)}.aurora-background.amber-dusk{background-image:repeating-linear-gradient(100deg,var(--amber-600) 10%,var(--yellow-400) 15%,var(--orange-300) 20%,var(--amber-200) 25%,var(--yellow-300) 30%)}.aurora-background.golden-hour{background-image:repeating-linear-gradient(100deg,var(--amber-400) 10%,var(--yellow-300) 20%,var(--orange-300) 30%,var(--amber-300) 40%,var(--yellow-200) 50%)}.aurora-mask{mask-image:radial-gradient(ellipse at 100% 0,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 100% 0,#000 10%,transparent 70%)}@keyframes aurora{0%{background-position:0 0}50%{background-position:100% 100%}to{background-position:0 0}}.dark .aurora-background{filter:blur(10px) brightness(.8);opacity:.4}.dark .aurora-background.warm-sunset{filter:blur(10px) brightness(.7)}.dark .aurora-background.royal-gold{filter:blur(10px) brightness(.85)}.dark .aurora-background.natural-earth{filter:blur(10px) brightness(.75)}.dark .aurora-background.amber-dusk{filter:blur(10px) brightness(.9)}.dark .aurora-background.golden-hour{filter:blur(10px) brightness(.8)}