/* Message rows must scroll; flexbox must never squeeze media to fit the viewport. */
.message-list>.message,.message-list>.system-message{flex:0 0 auto;min-height:min-content}
.message-list>.message.media-only{flex-shrink:0;height:auto}
.message-list>.message.media-only>.message-media{flex-shrink:0}
.message.media-only>video.message-media{display:block;width:min(380px,42vw);height:auto;aspect-ratio:16/9;max-width:42vw;max-height:440px;object-fit:contain;background:#000}
@media(max-width:760px){.message.media-only>video.message-media{width:min(360px,82vw);max-width:82vw;max-height:430px}}