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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
}

#game-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 25px 50px rgba(0, 0, 0, 0.5),
    0 0 100px rgba(78, 205, 196, 0.1);
}

#game-container canvas {
  display: block;
}