:root{--bg-deep: #040812;--bg-mid: #0b1530;--bg-accent: #13265a;--neon-cyan: #25fff7;--neon-pink: #ff4fd8;--neon-purple: #8e63ff;--text: #d8f0ff}html,body{margin:0;width:100%;height:100%}body{min-height:100vh;display:flex;align-items:stretch;justify-content:center;background:radial-gradient(circle at top,var(--bg-mid),var(--bg-deep) 60%);color:var(--text);font-family:VT323,Courier New,monospace}#game-root{width:100%;height:100%;display:flex;align-items:center;justify-content:center}canvas{width:min(100vw,1180px);height:min(100vh,860px);aspect-ratio:960 / 760;border:4px solid #2acbff66;box-shadow:0 0 45px #2df5ff40,inset 0 0 40px #2df5ff26;image-rendering:pixelated;background:linear-gradient(180deg,#07152f,#050b15)}