:root {
  --bg: #1B1C1B;
  --text: #CFCFCF;
  --heading: #FFFFFF;
  --subheading: #5a5a5a;
}


body {
  touch-action: manipulation;
  background-color: var(--bg);
  color: var(--text);
  color-scheme: dark;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 65ch;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

h1, h2 {
  font-size: 1em;
  margin: 0;
}

h1 {
  color: var(--heading);
  font-weight: 600;
}

h2 {
  color: var(--subheading);
  font-weight: 400;
}

.ps {
  font-size: 0.8em;
  color: #4A4A4A;
}

a {
  color: inherit;
  text-decoration-color: #777;
  text-underline-offset: 3px;
}

#snakeCanvas {
  width: 40px;
  aspect-ratio: 1;
  image-rendering: pixelated;
  margin-bottom: 1rem;
  cursor: pointer;
  transition: filter 0.2s, width 0.3s;
}

#snakeCanvas.expanded {
  width: 100%;
  cursor: default;
  margin-bottom: 0rem;
}

#snakeCanvas:hover {
  filter: brightness(1.2);
}

.snake-help {
  display: none;
  font-size: 0.8em;
  color: var(--subheading);
  margin-top: 0;
  margin-bottom: 1rem;
  text-align: center;
}

#snakeCanvas.expanded + .snake-help {
  display: block;
}

.help-touch {
  display: none;
}

@media (pointer: coarse) {
  .help-desktop { display: none; }
  .help-touch { display: inline; }
}