:root {
  color-scheme: dark;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at center, #1a2332 0%, #0a0f18 100%);
  color: #f8fafc;
  overflow: hidden;
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 1200px;
  width: 100%;
  padding: 1rem;
}

#game {
  border-radius: 0;
  background: transparent;
  border: none;
  image-rendering: pixelated;
  box-shadow: 0 0 60px rgba(100, 180, 255, 0.15), 0 0 120px rgba(50, 100, 150, 0.1);
  width: 100%;
  height: auto;
  max-width: 1200px;
  display: block;
}

.controls {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: center;
}

.control-btn {
  width: 80px;
  height: 80px;
  background: linear-gradient(180deg, #2a3441 0%, #1e2835 50%, #151b26 100%);
  border: 3px solid rgba(150, 200, 255, 0.6);
  border-radius: 0;
  image-rendering: pixelated;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #e8f4ff;
  text-shadow: 0 0 8px rgba(100, 180, 255, 0.6);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: none;
  position: relative;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3), 0 0 12px rgba(100, 180, 255, 0.2);
}

.control-btn:active,
.control-btn.active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3), 0 0 8px rgba(100, 180, 255, 0.3);
  background: linear-gradient(180deg, #1e2835 0%, #151b26 50%, #0f1620 100%);
}

.control-btn:hover {
  border-color: rgba(150, 200, 255, 0.9);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3), 0 0 16px rgba(100, 180, 255, 0.4);
}

.control-btn span {
  display: block;
  line-height: 1;
}

@media (max-width: 768px) {
  .control-btn {
    width: 70px;
    height: 70px;
    font-size: 28px;
  }
  
  .controls {
    gap: 1.5rem;
  }
}