@font-face {
  font-family: "PressStart";
  src: local("Press Start 2P"), local("PressStart2P");
}

:root {
  --bg: #141a14;
  --screen: #1a221a;
  --grid: #222d22;
  --snake: #96c896;
  --food: #b6e6b6;
  --text: #a8d6a8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 20% 10%, #202820, #0e120e 70%);
  color: var(--text);
  font-family: "PressStart", "Courier New", monospace;
}

.frame {
  padding: 24px;
  border-radius: 16px;
  background: linear-gradient(145deg, #1e281e, #0f130f);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.screen {
  background: var(--screen);
  padding: 16px;
  border-radius: 12px;
  border: 2px solid #253025;
}

.hud {
  display: flex;
  justify-content: space-between;
  font-size: 12px;

  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 2px solid #263126;
}

canvas {
  display: block;
  background: var(--bg);
  border: 2px solid #263126;
}

.help {
  margin-top: 10px;
  font-size: 10px;
  opacity: 0.8;
}

@media (max-width: 520px) {
  .frame {
    padding: 14px;
  }
  canvas {
    width: 320px;
    height: 352px;
  }
}