*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}:root{--bg-dark: #070b14;--panel-bg: rgba(11, 19, 35, .86);--neon-green: #00ff88;--neon-cyan: #00e5ff;--neon-purple: #b545ff;--neon-red: #ff2a55;--neon-gold: #ffcc00;--text-light: #e8f4ff;--text-dim: #7f9bb8;--font-main: "Segoe UI", Roboto, system-ui, -apple-system, sans-serif}html,body{width:100%;height:100%;overflow:hidden;background-color:var(--bg-dark);font-family:var(--font-main);color:var(--text-light);touch-action:none}#game-container{position:relative;width:100vw;height:100vh;overflow:hidden}#game-canvas{display:block;width:100%;height:100%}.speed-lines{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(circle at center,transparent 58%,rgba(0,255,136,.14) 100%);opacity:0;transition:opacity .25s 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