* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 255, 255, 0.12), transparent 26%),
    radial-gradient(circle at 82% 78%, rgba(255, 255, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #37474F 0%, #263238 100%);
  display: grid;
  place-items: center;
}

#app-shell {
  padding: 16px;
}

#game-canvas {
  display: block;
  width: min(97vw, calc(87vh * 1.611253));
  aspect-ratio: 1260 / 782;
  height: auto;
  border-radius: 6px;
  box-shadow:
    0 16px 38px rgba(20, 12, 8, 0.42),
    0 3px 10px rgba(20, 12, 8, 0.26);
  cursor: crosshair;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

@media (max-width: 768px) {
  body {
    background: #263238;
  }
  #app-shell {
    padding: 4px;
  }
  #game-canvas {
    width: 100vw;
    border-radius: 0;
    box-shadow: none;
  }
}

#site-footer {
  text-align: center;
  padding: 14px 0 18px;
}

#site-footer a {
  font-family: 'Patrick Hand', cursive;
  font-size: 26px;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  letter-spacing: 0.5px;
}

#site-footer a:hover {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: underline;
}

@media (max-height: 480px) and (orientation: landscape) {
  #game-canvas {
    width: auto;
    height: 100vh;
  }
}