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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1a1a2e;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#game-container {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}

/* iOS Safari landscape rotation fallback */
#game-container.rotate-for-landscape {
  transform-origin: top left;
  transform: rotate(90deg) translateY(-100%);
  width: 100vh;
  height: 100vw;
}

#game-canvas {
  display: block;
  width: 100%;
  height: 100%;
  will-change: transform;
}

/* Safe area padding for notched phones */
@supports (padding: env(safe-area-inset-left)) {
  #game-container {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}