:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
}
.game-wrap { width: min(100%, 980px); padding: 16px; }
h1 { margin: 0 0 8px; font-size: 1.2rem; }
.help { margin: 0 0 12px; opacity: 0.85; }
canvas {
  display: block;
  width: 100%;
  border: 2px solid #334155;
  border-radius: 8px;
  background: #1e293b;
}
.hud {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
}
#statusText.clear { color: #4ade80; }
#statusText.fail { color: #f87171; }