@font-face {
  font-family: "Black Ops One";
  src: url("assets/fonts/BlackOpsOne-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
html, body { margin: 0; padding: 0; height: 100%; background: #08080e; overflow: hidden; }
body { display: flex; align-items: center; justify-content: center; font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
#game { display: block; width: 100vw; height: 100vh; touch-action: none; user-select: none; -webkit-user-select: none; outline: none; cursor: crosshair; }