html {
  -ms-touch-action: none;
}

body, canvas, div {
  display: block;
  outline: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);

  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* Remove spin of input type number */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    /* display: none; <- Crashes Chrome on hover */
    -webkit-appearance: none;
    margin: 0; /* <-- Apparently some margin are still there even though it's hidden */
}

body {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  margin: 0;

  cursor: default;
  color: #888;
  background-color: #333;

  text-align: center;
  font-family: Helvetica, Verdana, Arial, sans-serif;

  display: flex;
  flex-direction: column;
}

canvas {
  background-color: rgba(0, 0, 0, 0);
}

/* 竖屏移动端宽度钳制（需配合 index.html 中 GameDiv 的 cc_exact_fit_screen="false"）：
   - 上限：min(设计宽 750px, 视口高 × 750/1334)，PC 宽屏按视口高度推算等效手机宽度并水平居中；
   - 下限：320px（最窄主流移动端），更窄的窗口出现横向滚动而不是压碎 UI；
   - 移动端竖屏（视口宽 ≤ 上限）仍为全宽全屏，行为不变。 */
#GameDiv {
  position: relative;
  margin: 0 auto;
  height: 100%;
  width: 100%;
  width: clamp(320px, min(100vw, calc(100vh * 750 / 1334)), 750px);
}

#Cocos3dGameContainer, #GameCanvas {
  width: 100%;
  height: 100%;
}

:root {
  --safe-top: env(safe-area-inset-top);
  --safe-right: env(safe-area-inset-right);
  --safe-bottom: env(safe-area-inset-bottom);
  --safe-left: env(safe-area-inset-left);
}