:root {
  color-scheme: light;
  --surface: #e9e9ec;
  --surface-low: #d7d9de;
  --ink: #000000;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--surface);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  overflow: hidden;
}

.game-shell {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--surface) 70%, var(--surface-low) 100%);
}

canvas {
  display: block;
  width: 100vw;
  height: 100dvh;
  background: var(--surface);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}