body {
  padding: 0;
  margin: 0;
}
#bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
}
#unity-container {
  position: fixed;
  width: 100%;
  height: 100%;
}
#unity-canvas {
  width: 100%;
  height: 100%;
  position: relative; /* hoặc absolute/fixed */
  z-index: 1; /* cao hơn video nếu muốn canvas trên */
  background-color: transparent !important;
}
#unity-loading-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: none;
}
#unity-logo {
  width: 200px;
  height: 200px;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
#unity-progress-bar-empty {
  margin-left: auto;
  margin-right: auto;
  width: 220px;
  height: 13px;
  margin-top: 20px;
  background-color: white;
  border-radius: 4px;
}
#unity-progress-bar-full {
  width: 0%;
  height: 13px;
  margin-top: 10px;
  background: linear-gradient(to right, #507eb2, #78a6da);
  border-radius: 4px;
}

#unity-warning {
  position: absolute;
  left: 50%;
  top: 5%;
  transform: translate(-50%);
  background: white;
  padding: 10px;
  display: none;
}