/* Prevents Edge/Chrome from injecting UI elements into the video frame.
   This targets the internal "Shadow DOM" of the browser's video player.
*/
video::-webkit-media-controls-picture-in-picture-button,
video::-webkit-media-controls-enclosure,
video::-internal-media-controls-download-button {
    display: none !important;
    -webkit-appearance: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
}