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

body {
  background: #0a0817;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Courier New", monospace;
}

.wrap {
  position: relative;
  text-align: center;
}

canvas {
  width: min(92vw, 72vh);
  height: auto;
  background: #0b1026;
  border: 3px solid #34306a;
  border-radius: 6px;
}

.hint {
  color: #8a86b3;
  margin-top: 12px;
  font-size: 14px;
}

.hint-touch { display: none; }

@media (pointer: coarse) {
  .hint { display: none; }
  .hint-touch { display: block; }
  canvas { touch-action: none; }
}