html,body{margin:0;padding:0;font-family:Avenir Next,Trebuchet MS,Segoe UI,sans-serif;background:radial-gradient(circle at 20% 0%,#283f66 0%,transparent 35%),radial-gradient(circle at 85% 100%,#1b3c31 0%,transparent 30%),linear-gradient(170deg,#071120,#050c17 60%);color:#e2e8f0}#app{min-height:100vh;display:flex;flex-direction:column;align-items:center;gap:10px;padding:10px;box-sizing:border-box}.banner{width:min(1520px,100%);background:#081427e0;border:1px solid #3e5f86;border-radius:12px;padding:12px 14px;box-sizing:border-box;font-size:16px;letter-spacing:.2px}#game-root{width:min(1520px,100%);overflow:auto;border-radius:14px;border:1px solid #35567a;box-shadow:0 20px 45px #00000059}canvas{display:block;max-width:100%;height:auto!important}