:root{--neon: #00e5ff;--neon-dim: #0a3a4a;--pink: #ff3d81;--text: #cfefff;--panel-bg: rgba(4, 10, 18, .88)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#020308;font-family:Segoe UI,system-ui,sans-serif;color:var(--text);-webkit-user-select:none;user-select:none}#game{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.hidden{display:none!important}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#0208108c,#010206d9);z-index:30}.panel{background:var(--panel-bg);border:1px solid var(--neon);box-shadow:0 0 24px #00e5ff40,inset 0 0 40px #00e5ff0d;padding:34px 44px;text-align:center;max-width:480px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}h1{font-size:52px;font-weight:200;letter-spacing:.35em;color:#fff;text-shadow:0 0 12px var(--neon),0 0 40px var(--neon)}h1 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