:root {
  --ink: #2b1a12;
  --bun: #f0b464;
  --char: #1b1310;
  --ketchup: #d0342c;
  --mustard: #f2c14e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, #3a2a20 0%, #170f0b 70%);
  color: #f6e6d2;
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
}

#shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 18px;
}

header { text-align: center; }

h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 46px);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mustard);
  text-shadow: 0 3px 0 var(--ketchup), 0 6px 12px rgba(0, 0, 0, .6);
}

.tag {
  margin: 6px 0 0;
  font-size: 14px;
  opacity: .7;
}

#stage {
  width: min(100%, 960px);
  border: 4px solid #4a3225;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .55);
  background: #7fc7e8;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: auto;
  touch-action: none;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: center;
  font-size: 13px;
  opacity: .75;
}

kbd {
  background: #3b2a20;
  border: 1px solid #61483a;
  border-bottom-width: 3px;
  border-radius: 5px;
  padding: 1px 6px;
  font-family: inherit;
  font-size: 12px;
}