:root { --player-canvas: #000; }
#videoStage:fullscreen,
#videoStage:-webkit-full-screen {
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  max-width: none !important;
  max-height: none !important;
}
#videoStage:fullscreen .video-container,
#videoStage:-webkit-full-screen .video-container,
#videoStage.ztech-expanded .video-container {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  padding: 0 !important;
}
#videoStage video { object-fit: contain; }
#videoStage.ztech-expanded {
  position: fixed !important;
  inset: 0 !important;
  width: 100%;
  height: 100%;
  height: 100dvh;
  z-index: 2147483646;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--player-canvas);
}
#videoStage.ztech-expanded .video-container {
  width: 100%;
  height: 100%;
  padding: 0 !important;
}
#videoStage.ztech-expanded .vs-fs-btn {
  top: max(10px, env(safe-area-inset-top));
  right: max(10px, env(safe-area-inset-right));
}
#videoStage.ztech-expanded .video-watermark { display: block !important; }
@media (prefers-reduced-motion: reduce) {
  .mdv-yt-card.playing #videoStage { animation: none; }
}