:root {
  --bg: #070912;
  --panel: #111827;
  --text: #e5e7eb;
  --accent: #facc15;
  --wall: #1d4ed8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 15% 15%, #1f2937, var(--bg) 55%);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.wrap {
  width: min(94vw, 620px);
  display: grid;
  gap: 12px;
}

.hud {
  background: color-mix(in oklab, var(--panel) 90%, black);
  border: 2px solid #334155;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  font-weight: 700;
}

canvas {
  width: 100%;
  height: auto;
  border: 2px solid #334155;
  border-radius: 10px;
  background: #000;
  image-rendering: pixelated;
}

.help {
  background: color-mix(in oklab, var(--panel) 95%, black);
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 10px 14px;
}

.help p {
  margin: 6px 0;
}

kbd {
  border: 1px solid #64748b;
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0 5px;
  background: #0f172a;
}

#status {
  color: var(--accent);
  font-weight: 700;
}