android: the nav's badges — transfers in flight on You, unread chats on Community

The desktop's title-bar download ring and its unread indicator, on the
phone's nav: a count on You while Save is fetching, a count on Community
when a chat has unread lines.

src/mobile/shell.css

@@ -1368,3 +1368,6 @@ html[data-motion="off"] *, html[data-motion="off"] *::before, html[data-motion="
 
 /* Community: the room filter sits with the section, not the page's own field */
 .sfield.roomfilter { margin-top: 2px; }
+
+/* the nav's badges: transfers in flight on You, unread chats on Community */
+.nav button .gl .nb { position: absolute; top: -3px; right: -12px; min-width: 16px; height: 16px; padding: 0 4px; border-radius: 999px; background: var(--accent); color: #04121a; font-size: 10px; font-weight: 800; line-height: 16px; text-align: center; box-shadow: 0 0 0 2px var(--nav-bg, #101014); }