If the desktop client feels too clunky, consider switching to . Since it runs in your browser, it is much easier to theme.
The development team at Rainberry, Inc. has historically focused on functional updates (protocol improvements, ads, and crypto integrations) rather than cosmetic UI overhauls. The legacy codebase of uTorrent Classic is notoriously difficult to skin dynamically. Furthermore, recent versions of uTorrent have moved toward a "Web-based" UI (uTorrent Web), which is easier to modify, but even that lacks an official dark switch. dark theme for utorrent