html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background: #FFDDCA;
  overscroll-behavior: none;
}

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

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

#mute {
  position: absolute;
  top: max(8px, env(safe-area-inset-top));
  right: max(8px, env(safe-area-inset-right));
  width: 44px;
  height: 44px;
  padding: 9px;
  border: 2px solid #411F0C;
  border-radius: 6px;
  background: rgba(255, 221, 202, 0.85);
  color: #411F0C;
  cursor: pointer;
  touch-action: manipulation;
}

#mute:focus-visible {
  outline: 3px solid #876552;
  outline-offset: 2px;
}

#mute svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#mute .speaker { fill: currentColor; }
#mute .cross { display: none; }
#mute.muted .cross { display: inline; }
#mute.muted .waves { display: none; }