:root{--bg: #0b0e17;--gold: #fdb927;--blue: #6ea8fe}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:#e8eaf2;font-family:Segoe UI,system-ui,-apple-system,sans-serif}.arena{position:relative;min-height:100vh;isolation:isolate;background:radial-gradient(560px 210px at 30% -4%,rgba(245,240,220,.055),transparent 70%),radial-gradient(560px 210px at 70% -4%,rgba(245,240,220,.055),transparent 70%),radial-gradient(700px 480px at 8% 46%,rgba(253,185,39,.05),transparent 70%),radial-gradient(700px 480px at 92% 46%,rgba(110,168,254,.05),transparent 70%),linear-gradient(180deg,#060810,#0d1220,#0b0e17 52%,#0a0d15)}.arena:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(circle 130px at 50% 58%,transparent 128px,rgba(253,185,39,.035) 129px,transparent 131px),linear-gradient(90deg,transparent 49.85%,rgba(232,234,242,.028) 50%,transparent 50.15%),repeating-linear-gradient(90deg,transparent 0 119px,rgba(232,234,242,.012) 119px 120px)}.arena:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(120% 90% at 50% 40%,transparent 55%,rgba(0,0,0,.5) 100%)}.arena.win-gold{box-shadow:inset 0 120px 220px -120px #fdb92729}.arena.win-blue{box-shadow:inset 0 120px 220px -120px #6ea8fe2e}@keyframes ec-slot-flash-gold{0%{box-shadow:0 0 #fdb92773}to{box-shadow:0 0 0 14px #fdb92700}}@keyframes ec-slot-flash-blue{0%{box-shadow:0 0 #6ea8fe73}to{box-shadow:0 0 0 14px #6ea8fe00}}.slot-flash-gold{animation:ec-slot-flash-gold .55s ease-out 1}.slot-flash-blue{animation:ec-slot-flash-blue .55s ease-out 1}@keyframes ec-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.rise{animation:ec-rise .45s ease-out both}.rise-2{animation:ec-rise .45s ease-out .12s both}.rise-3{animation:ec-rise .45s ease-out .24s both}@keyframes ec-chem-pulse{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}.chem-pulse{animation:ec-chem-pulse .5s ease-out 1}@keyframes ec-spin{to{transform:rotate(360deg)}}.sim-spinner{width:44px;height:44px;border-radius:50%;border:3px solid rgba(253,185,39,.18);border-top-color:var(--gold);animation:ec-spin .9s linear infinite}@keyframes ec-vs-glow{0%,to{text-shadow:0 0 18px rgba(253,185,39,.25),0 0 30px rgba(110,168,254,.18)}50%{text-shadow:0 0 30px rgba(253,185,39,.5),0 0 44px rgba(110,168,254,.35)}}.vs-active{animation:ec-vs-glow 2.4s ease-in-out infinite}:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}button{font-family:inherit}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.sticky-sim{position:sticky;bottom:12px;z-index:40}@media (min-width: 900px){.sticky-sim{position:static}}