:root {
  --bg: #0e1220;
  --panel: #151b2e;
  --line: #263059;
  --text: #e6e9f5;
  --dim: #8b93b5;
  --accent: #ffd166;
  --pink: #ffeae0;
  --mono: "JetBrains Mono", "Fira Code", monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background:
    radial-gradient(900px 500px at 85% -10%, #1b2350 0%, transparent 60%),
    radial-gradient(700px 400px at 0% 110%, #30203f 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 24px 12px;
}
.wrap { max-width: 760px; width: 100%; text-align: center; }
.title {
  color: var(--accent);
  letter-spacing: 2px;
  font-size: 22px;
  margin-bottom: 6px;
}
.sub { color: var(--dim); font-size: 12px; margin-bottom: 16px; line-height: 1.5; }
#root { text-align: center; }
.game-canvas {
  width: 100%;
  max-width: 640px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0e1220;
  box-shadow: 0 0 0 1px #000, 0 10px 30px rgba(0,0,0,.5);
}
.hint { color: var(--dim); font-size: 12px; margin-top: 14px; }
kbd {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 4px; padding: 1px 6px; font-size: 11px;
}