.auth-shell{background:radial-gradient(circle at 15% 10%,hsl(var(--primary)/.18),transparent 40%),radial-gradient(circle at 90% 0%,hsl(var(--secondary)/.14),transparent 42%),linear-gradient(160deg,hsl(var(--background)),hsl(var(--background-warm)));position:relative;overflow:hidden}.auth-shell:before{content:"";pointer-events:none;opacity:.015;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");animation:6s step-end infinite auth-grain-shift;position:absolute;inset:0}.auth-blob{filter:blur(80px);pointer-events:none;border-radius:9999px;position:absolute}.auth-blob-coral{background:hsl(var(--primary)/.24);width:22rem;height:22rem;animation:24s ease-in-out infinite auth-drift-coral;top:-8rem;left:-8rem}.auth-blob-teal{background:hsl(var(--secondary)/.18);width:20rem;height:20rem;animation:28s ease-in-out infinite auth-drift-teal;top:18%;right:-9rem}.auth-blob-warm{background:hsl(var(--warm-accent)/.2);width:18rem;height:18rem;animation:26s ease-in-out infinite auth-drift-warm;bottom:-10rem;left:35%}.auth-context-panel{border:1px solid hsl(var(--border));border-radius:var(--radius-lg);background:hsl(var(--card)/.72);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative}.auth-context-panel:after{content:"";border-radius:inherit;pointer-events:none;background:linear-gradient(140deg,hsl(var(--primary)/.08),hsl(var(--secondary)/.05));opacity:.8;position:absolute;inset:0}.auth-context-panel>*{z-index:1;position:relative}.auth-form-card{background:hsl(var(--card)/.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:relative}.auth-form-card:after{content:"";border-radius:inherit;pointer-events:none;background:linear-gradient(170deg,hsl(var(--primary)/.03),hsl(var(--secondary)/.03));position:absolute;inset:0}.auth-form-card>*{z-index:1;position:relative}@keyframes auth-drift-coral{0%,to{transform:translate(0)scale(1)}50%{transform:translate(2rem,1rem)scale(1.08)}}@keyframes auth-drift-teal{0%,to{transform:translate(0)scale(1)}50%{transform:translate(-2rem,-1.5rem)scale(.94)}}@keyframes auth-drift-warm{0%,to{transform:translate(0)scale(1)}50%{transform:translate(1.5rem,-2rem)scale(1.06)}}@keyframes auth-grain-shift{0%{transform:translate(0)}20%{transform:translate(2px,-2px)}40%{transform:translate(-3px,1px)}60%{transform:translate(1px,3px)}80%{transform:translate(-1px,-2px)}to{transform:translate(0)}}@media (prefers-reduced-motion:reduce){.auth-shell:before,.auth-blob-coral,.auth-blob-teal,.auth-blob-warm{animation:none}}