:root { --amber: #FBBB50; --slate: #3C4A5C; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100vh; background: var(--slate); color: var(--amber);
  font-family: "Courier New", Courier, monospace;
  display: flex; align-items: center; justify-content: center;
  -webkit-user-select: none; user-select: none;
}
main { width: 100%; max-width: 500px; padding: 16px; text-align: center; }
h1 { margin: 0; line-height: 0; }
h1 canvas { width: 100%; max-width: 260px; height: auto; image-rendering: pixelated; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.domain { margin: 12px 0 14px; font-size: .95rem; letter-spacing: .12em; }
.hud { display: flex; justify-content: space-between; font-size: .95rem; margin-bottom: 8px; }
.hud b { font-weight: 700; }
.game-wrap { border: 4px solid var(--amber); box-shadow: 6px 6px 0 #0006; background: var(--slate); }
#game { width: 100%; height: auto; display: block; image-rendering: pixelated; touch-action: none; }
.hint { font-size: .8rem; opacity: .75; margin: 14px 0 0; }