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

body {
  background: #0a0a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
}

#game-container {
  position: relative;
  width: min(800px, 100vw);
  aspect-ratio: 4 / 3;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  border: 2px solid #00ffff;
  box-shadow: 0 0 30px #00ffff44, 0 0 60px #00ffff22;
}

#hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 6px 14px;
  color: #00ffff;
  font-size: 13px;
  letter-spacing: 2px;
  pointer-events: none;
  text-shadow: 0 0 8px #00ffff;
}