html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0f172a;
}

canvas {
  display: block;
}

#start-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  font-family: system-ui, sans-serif;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
}

#start-overlay.hidden {
  display: none;
}

#stats {
  position: fixed;
  left: 0.75rem;
  bottom: 0.5rem;
  color: #cbd5e1;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  z-index: 5;
}

#credits {
  position: fixed;
  right: 0.75rem;
  bottom: 0.5rem;
  color: #cbd5e1;
  font-family: system-ui, sans-serif;
  font-size: 0.75rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  z-index: 5;
}

#credits a {
  color: inherit;
}