:root {
  --sa-top: env(safe-area-inset-top, 0px);
  --sa-right: env(safe-area-inset-right, 0px);
  --sa-bottom: env(safe-area-inset-bottom, 0px);
  --sa-left: env(safe-area-inset-left, 0px);
  color-scheme: dark;
  font-family: Inter, ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  background: #120306;
}

* { box-sizing: border-box; }

html, body, #game-shell {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: #120306;
}

body {
  position: fixed;
  inset: 0;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: 0;
}

noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #ffe9e4;
  background: #120306;
}