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

html, body {
  background: #050508;
  color: #eee;
  font-family: "Courier New", ui-monospace, monospace;
  min-height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

canvas {
  width: min(94vw, calc((100vh - 110px) * (448 / 576)));
  max-width: 448px;
  height: auto;
  background: #000;
  border-radius: 6px;
  box-shadow: 0 0 40px rgba(33, 33, 222, 0.35);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.hint {
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
  color: #9a9ac0;
}

.hint strong { color: #ffd76a; }
.touch-hint { color: #666; }