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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #2C3E50;
  font-family: sans-serif;
  overflow: hidden;
}

#app {
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-canvas {
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  max-width: 100vw;
  max-height: 100vh;
  touch-action: none;
}