/* Clip the background and decoded video with one rounded compositor boundary.
   overflow:hidden alone can expose a pale seam at fractional carousel offsets. */
html body.light-theme :is(.reel-picture, .video-media-frame, .external-preview, .video-card.has-reel-meta) {
    isolation: isolate;
    clip-path: border-box;
}

/* The light poster canvas must not shine through antialiased night-mode edges. */
html[data-theme="dark"] body.light-theme .reel-picture {
    background-color: var(--theme-bg, #0f131b);
}

/* Native fullscreen keeps the complete rectangular video canvas. */
html body.light-theme :is(.video-media-frame, .video-card.has-reel-meta):fullscreen {
    clip-path: none;
}
html body.light-theme :is(.video-media-frame, .video-card.has-reel-meta):-webkit-full-screen {
    clip-path: none;
}