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

html,
body {
  background: #0d0d0f;
  color: #e8e8e8;
  font-family: "Courier New", Consolas, monospace;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-user-select: none;
  user-select: none;
}

#app {
  text-align: center;
  padding: 12px;
}

.logo {
  color: #ffd23f;
  letter-spacing: 10px;
  font-size: 30px;
  margin-bottom: 10px;
  text-shadow: 0 0 12px rgba(255, 210, 63, 0.45);
}

.game-wrap {
  display: inline-block;
  border: 4px solid #3a3a42;
  border-radius: 4px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.85);
  background: #000;
}

canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  max-width: 100%;
  height: auto;
  background: #000;
}

.hint {
  margin-top: 12px;
  font-size: 13px;
  color: #8a8a93;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .logo {
    font-size: 22px;
    letter-spacing: 6px;
  }
}