:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

html,
body {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  background: #040914;
}

body,
canvas,
div {
  display: block;
  outline: none;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  color: #94a3b8;
  font-family: "Microsoft YaHei", system-ui, sans-serif;
}

.return-link {
  position: fixed;
  z-index: 10;
  top: calc(var(--safe-top) + 12px);
  left: calc(var(--safe-left) + 12px);
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border: 1px solid rgba(125, 211, 252, 0.24);
  border-radius: 999px;
  color: #d9f7ff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  background: rgba(3, 9, 20, 0.74);
  box-shadow: 0 10px 30px rgba(2, 8, 23, 0.24);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  touch-action: manipulation;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.return-link:hover,
.return-link:focus-visible {
  border-color: rgba(94, 231, 247, 0.62);
  background: rgba(7, 22, 42, 0.92);
  transform: translateY(-1px);
}

.return-link:focus-visible {
  outline: 2px solid #5ee7f7;
  outline-offset: 2px;
}

body::before {
  content: "";
  position: fixed;
  inset: -12%;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 24%, rgba(14, 165, 233, 0.18), transparent 34%),
    radial-gradient(circle at 82% 76%, rgba(168, 85, 247, 0.17), transparent 38%),
    linear-gradient(145deg, #030712 0%, #071426 52%, #110b24 100%);
  filter: saturate(1.08);
}

#GameDiv {
  position: fixed !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
  overflow: hidden;
  touch-action: none;
}

#Cocos3dGameContainer {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #06111f;
}

#GameCanvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent;
}

.dream-bar {
  position: absolute;
  z-index: 3;
  display: block;
  pointer-events: none;
  background-color: #06101f;
}

#DreamLeft,
#DreamRight {
  top: calc(var(--safe-top) + var(--bar-y, 0px));
  bottom: calc(var(--safe-bottom) + var(--bar-y, 0px));
  width: var(--bar-x, 0px);
}

#DreamLeft {
  left: var(--safe-left);
  background:
    radial-gradient(circle at 68% 24%, rgba(14, 165, 233, 0.22), transparent 42%),
    linear-gradient(110deg, #030914 0%, #071a30 100%);
  box-shadow: inset -1px 0 rgba(56, 189, 248, 0.12);
}

#DreamRight {
  right: var(--safe-right);
  background:
    radial-gradient(circle at 28% 72%, rgba(168, 85, 247, 0.21), transparent 46%),
    linear-gradient(250deg, #090617 0%, #111032 100%);
  box-shadow: inset 1px 0 rgba(192, 132, 252, 0.12);
}

#DreamTop,
#DreamBottom {
  left: var(--safe-left);
  right: var(--safe-right);
  height: var(--bar-y, 0px);
}

#DreamTop {
  top: var(--safe-top);
  background: linear-gradient(180deg, #030914, #071426);
}

#DreamBottom {
  bottom: var(--safe-bottom);
  background: linear-gradient(0deg, #090617, #111032);
}