.chest-ending {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  inset: 0;
  z-index: 1000;
  background: #000;
  opacity: 0;
  isolation: isolate;
  pointer-events: auto;
}
.chest-ending[hidden] { display: none !important; }
.chest-ending video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
}
.chest-ending-retry {
  position: absolute;
  top: 40%;
  right: 10%;
  bottom: auto;
  left: 10%;
  inset: 40% 10% auto;
  padding: 20px;
  text-align: center;
  color: #fff;
  background: #151515;
}
.chest-ending-retry button { padding: 12px 24px; cursor: pointer; }