The base card CSS (.yt-video-card/.yt-video-thumb/.yt-video-info) lived inside
video-card's @once <style> block, so it only emitted when a video card rendered.
Playlist cards reuse those classes, so on playlist-only pages (no video cards)
they rendered completely unstyled — a mess.
Extract the shared card CSS into resources/views/components/partials/card-styles
(kept @once) and @include it from BOTH video-card and playlist-card. Now the CSS
loads whenever either card renders, and @once still dedupes it to one copy on
pages that show both (home feed verified: emitted exactly once).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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