:root {
  --bg: #140d08;
  --frame: #47331d;
  --screen: #09070a;
  --text: #fff3d9;
  --accent: #ffd54f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 15%, #4d2f13 0, transparent 40%),
    radial-gradient(circle at 80% 85%, #24371c 0, transparent 35%),
    var(--bg);
}

.app {
  width: min(92vw, 540px);
  padding: 1rem;
  border: 2px solid var(--frame);
  border-radius: 12px;
  background: rgba(5, 7, 14, 0.8);
  text-align: center;
}

h1 {
  margin: 0 0 0.4rem;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.edition {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffd54f;
  opacity: 0.9;
}

.hint {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  opacity: 0.85;
}

canvas {
  width: 100%;
  max-width: 448px;
  border: 2px solid var(--frame);
  border-radius: 8px;
  background: var(--screen);
  image-rendering: pixelated;
}