/* === Missile Madness — Military / Neon Apocalypse Styles === */

#game-canvas {
  display: block;
  background: #020208;
  border: 2px solid rgba(255, 60, 20, 0.3);
  border-radius: 4px;
  box-shadow:
    0 0 20px rgba(255, 60, 20, 0.15),
    inset 0 0 60px rgba(0, 0, 0, 0.9);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  animation: canvasGlow 3s ease-in-out infinite;
}

@keyframes canvasGlow {
  0%, 100% {
    border-color: rgba(255, 60, 20, 0.3);
    box-shadow: 0 0 20px rgba(255, 60, 20, 0.15), inset 0 0 60px rgba(0, 0, 0, 0.9);
  }
  50% {
    border-color: rgba(255, 120, 0, 0.55);
    box-shadow: 0 0 35px rgba(255, 80, 0, 0.3), inset 0 0 60px rgba(0, 0, 0, 0.9);
  }
}

/* Apocalyptic dark-red background */
.game-page {
  background:
    radial-gradient(ellipse at 30% 80%, rgba(80, 0, 0, 0.35) 0%, transparent 70%),
    radial-gradient(ellipse at 70% 20%, rgba(60, 20, 0, 0.25) 0%, transparent 70%),
    var(--bg-dark);
}

/* Mobile responsive */
@media (max-width: 520px) {
  #game-canvas {
    border-width: 1px;
    border-radius: 2px;
  }

  .game-area {
    padding: 0 4px;
  }
}