On a <=991px landscape phone the mobile sheet rule (width:100% !important) beat
the fullscreen drawer's non-important width, so the drawer covered the whole
video instead of just the right side. Make the drawer width !important so it
keeps its narrow clamp(230px, 30vw, 360px).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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