html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #0a1128;
  color: white;
  font-family: -apple-system, system-ui, sans-serif;
  overflow: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#game-container {
  position: relative;
  max-width: 100vw;
  max-height: 100vh;
}

#game {
  display: block;
  max-width: 100vw;
  max-height: 100vh;
  border: 4px solid #334466;
  border-radius: 6px;
  box-shadow: 0 0 60px rgba(100, 200, 255, 0.5);
  background: #39a0cc;
  cursor: default;
}