* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: 'Courier New', monospace;
}

#game-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-canvas {
  display: block;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
  image-rendering: pixelated;
}

#loading-screen {
  position: absolute;
  inset: 0;
  background: #0a0a1a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  z-index: 100;
}

#loading-screen h1 {
  color: #4af;
  font-size: 22px;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-shadow: 0 0 20px #4af;
}

#loading-bar-bg {
  width: 220px;
  height: 6px;
  background: #222;
  border-radius: 3px;
  overflow: hidden;
}

#loading-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4af, #8ff);
  border-radius: 3px;
  transition: width 0.2s ease;
}

#loading-text {
  color: #668;
  font-size: 12px;
  letter-spacing: 1px;
}

#fps-counter {
  position: absolute;
  top: 6px;
  right: 8px;
  color: #4af8;
  font-size: 10px;
  pointer-events: none;
  z-index: 10;
}