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

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f0f0f0;
  overflow: hidden;
}

#gameCanvas {
  border: 1px solid black;
  touch-action: none;
  image-rendering: -moz-crisp-edges;
  image-rendering: -webkit-crisp-edges;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Mobile styles */
@media (max-width: 767px) {
  body {
    position: fixed;
    width: 100%;
    height: 100%;
  }
  
  #gameCanvas {
    width: 100vw;
    height: 100vh;
    border: none;
  }
}