*{box-sizing:border-box;margin:0;padding:0}body{background:#0a0a0a;justify-content:center;align-items:center;min-height:100vh;font-family:Arial,sans-serif;display:flex}#root{justify-content:center;align-items:center;width:100%;height:100vh;display:flex}.app{flex-direction:column;align-items:center;gap:12px;display:flex}.game-container canvas{border-radius:8px;box-shadow:0 0 40px #000c}