*{margin:0;padding:0;box-sizing:border-box}:root{--uno-red:#e53935;--uno-blue:#1e88e5;--uno-green:#43a047;--uno-yellow:#fdd835;--uno-wild:#222222;--bg-dark:#1a0000;--bg-gradient:radial-gradient(ellipse at center, #ff4500 0%, #cc0000 40%, #660000 100%);--card-width:70px;--card-height:105px;--neon-glow:0 0 20px rgba(255, 69, 0, 0.5)}body{font-family:Montserrat,'Segoe UI',sans-serif;background:var(--bg-gradient);min-height:100vh;overflow:hidden;color:#fff;position:relative}body::before{content:'';position:fixed;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 50%,rgba(255,255,255,.03) 0,transparent 50%),radial-gradient(circle at 80% 80%,rgba(255,255,255,.03) 0,transparent 50%),radial-gradient(circle at 40% 20%,rgba(255,255,255,.02) 0,transparent 40%);pointer-events:none;animation:4s ease-in-out infinite bgPulse}@keyframes 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