body{margin:0;padding:0;background:#0a0a14;display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden}#game{width:100%;margin:0 auto;display:flex;justify-content:center;align-items:center}canvas{display:block;margin:0 auto}#game:fullscreen,#game:-webkit-full-screen{width:100vw!important;height:100vh!important;background:#000}#game:fullscreen canvas,#game:-webkit-full-screen canvas{width:100vw!important;height:100vh!important;object-fit:contain}#boot-splash{position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at center,#1a1a3a,#0a0a14);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999;transition:opacity .4s ease-out}#boot-splash.is-hidden{opacity:0;pointer-events:none}#boot-logo{max-width:min(60vw,480px);max-height:50vh;height:auto;filter:drop-shadow(0 0 30px rgba(0,200,255,.4))}#boot-tagline{margin-top:1.5rem;color:#0ff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.95rem;letter-spacing:.2em;text-transform:uppercase;opacity:.7;animation:boot-pulse 1.4s ease-in-out infinite}@keyframes boot-pulse{0%,to{opacity:.4}50%{opacity:.9}}