/* === Flappy Box — Game-specific Styles === */

#game-canvas {
  display: block;
  background: #4dc9f6;
  border: 2px solid rgba(77, 201, 246, 0.4);
  border-radius: 4px;
  box-shadow:
    0 0 20px rgba(77, 201, 246, 0.15),
    inset 0 0 60px rgba(0, 0, 0, 0.3);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

@keyframes canvasGlow {
  0%, 100% {
    border-color: rgba(77, 201, 246, 0.4);
    box-shadow: 0 0 20px rgba(77, 201, 246, 0.15), inset 0 0 60px rgba(0, 0, 0, 0.3);
  }
  50% {
    border-color: rgba(77, 201, 246, 0.6);
    box-shadow: 0 0 30px rgba(77, 201, 246, 0.25), inset 0 0 60px rgba(0, 0, 0, 0.3);
  }
}

#game-canvas {
  animation: canvasGlow 4s ease-in-out infinite;
}

.game-page {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(77, 201, 246, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse at 70% 60%, rgba(46, 134, 193, 0.1) 0%, transparent 70%),
    var(--bg-dark);
}

@media (max-width: 520px) {
  #game-canvas {
    border-width: 1px;
    border-radius: 2px;
  }
  .game-area {
    padding: 0 4px;
  }
}