:root {
  --bg: #1d1d1d;
  --panel: #111;
  --text: #f5e6c8;
  --accent: #f0b400;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Courier New', monospace;
  background: radial-gradient(circle at 30% 20%, #2a2a2a 0, #121212 45%, #050505 100%);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
#ui {
  text-align: center;
  padding: 16px;
  background: rgba(0,0,0,0.5);
  border: 2px solid #333;
  border-radius: 8px;
  box-shadow: 0 14px 45px rgba(0,0,0,0.35);
}
#hud {
  font-size: 12px;
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-shadow: 0 2px 0 #000;
}
#game {
  image-rendering: pixelated;
  width: min(100vw - 32px, 1024px);
  height: calc((min(100vw - 32px, 1024px)) * 240 / 256);
  border: 4px solid #333;
  background: linear-gradient(#6fb6ff 0%, #5c94fc 60%, #4a78d4 100%);
  box-shadow: 0 10px 28px rgba(0,0,0,0.45);
}
#hint {
  margin-top: 8px;
  font-size: 10px;
  color: #c9c9c9;
  letter-spacing: 0.5px;
}