body { padding: 0; margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center; background: transparent; overflow: hidden; }
#unity-container { position: relative; display: flex; flex-direction: column; align-items: stretch; justify-content: center; }
#unity-canvas { background: #231F20; display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { width: 141px; height: 18px; margin-top: 10px; margin-left: 6.5px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-footer { position: absolute; right: 14px; bottom: 14px; display: flex; align-items: center; gap: 10px; z-index: 20; }
#unity-logo-title-footer { width: 102px; height: 38px; background: url('unity-logo-title-footer.png') no-repeat center; background-size: contain; opacity: 0.92; }
#unity-build-title { line-height: 38px; font-family: arial; font-size: 18px; color: #ffffff; text-shadow: 0 2px 4px rgba(0,0,0,0.45); }
#unity-fullscreen-button { cursor:pointer; width: 52px; height: 52px; border-radius: 12px; background: rgba(17, 24, 39, 0.72) url('fullscreen-button.png') no-repeat center; background-size: 24px 24px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }

@media (max-width: 768px) {
  #unity-footer { right: 10px; bottom: 10px; gap: 0; }
  #unity-logo-title-footer,
  #unity-build-title { display: none; }
  #unity-fullscreen-button { width: 56px; height: 56px; background-size: 26px 26px; }
}