/* Base: reset, página, canvases e utilitários. */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-family);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  overscroll-behavior: none;
}

#app {
  position: fixed;
  inset: 0;
}

#game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#swipe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#screen-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: #fff;
}

.hidden {
  display: none !important;
}