:root {
  --black: #05090c;
  --line: rgba(244, 209, 132, 0.42);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.62);
  --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);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
  background: var(--black);
}

body {
  cursor: default;
  background:
    radial-gradient(circle at center, rgba(42, 167, 255, 0.12), transparent 42%),
    linear-gradient(180deg, rgba(5, 9, 12, 0.44) 0%, rgba(5, 9, 12, 0.86) 100%),
    url("./kotw-ui/castle-stage-5-imperial-palace.webp") center / cover no-repeat;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 9, 12, 0.72), rgba(5, 9, 12, 0.16) 50%, rgba(5, 9, 12, 0.72)),
    linear-gradient(180deg, rgba(5, 9, 12, 0.24), rgba(5, 9, 12, 0.82));
  content: "";
}

body,
canvas,
div {
  outline: 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);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.game-shell {
  position: relative;
  z-index: 1;
  display: grid;
  width: 100vw;
  height: 100svh;
  place-items: center;
  padding:
    max(14px, var(--safe-top))
    max(14px, var(--safe-right))
    max(14px, var(--safe-bottom))
    max(14px, var(--safe-left));
}

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

#GameDiv {
  position: relative;
  width: min(1280px, calc(100vw - 28px), calc((100svh - 28px) * 1.777778)) !important;
  height: auto !important;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, rgba(42, 167, 255, 0.11), transparent 45%),
    linear-gradient(180deg, #071014, #020405);
  box-shadow: var(--shadow);
}

#GameDiv::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 26%),
    linear-gradient(90deg, rgba(218, 171, 83, 0.12), transparent 18%, transparent 82%, rgba(218, 171, 83, 0.12));
  content: "";
}

#Cocos3dGameContainer,
#GameCanvas {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

@media (max-aspect-ratio: 16 / 9) {
  #GameDiv {
    width: calc(100vw - 28px) !important;
  }
}