Ef Maris Dark palette adaptation for Simple Docs

Author and maintainer: Protesilaos <info@protesilaos.com>
Copyright (C) 2022-2026 Free Software Foundation, Inc.

Derived from Ef Themes 2.2.0 commit
5cdb7dd361ad3b5d7310f94375a832cd94c182d8 and resolved with Modus Themes
commit 75aa3fa79efd04ddf7980a1d3ec0cef6e4f4af90.

Modified for Simple Docs on 2026-09-01. This adaptation is not endorsed by
the upstream project. It is licensed under GPL-3.0-or-later. The full license
is distributed at assets/licenses/GPL-3.0-or-later.txt.
