After spending lots of time searching for a solution, I still haven't found anything that really suits my problem. The goal is pretty simple: I would like to generate a List of Acronyms which consist of a title, description and acronym entries. With the following code I have almost achieved desired results except the distance between acronym entries and the description is not vertically aligned. Here is the code for setting up the glossary design:
% Preamble
\documentclass[11pt, a4paper, twoside]{report}
% Package for acronyms
\usepackage[acronym, automake, nopostdot, nogroupskip]{glossaries}
\makeglossaries
\renewcommand*{\glsnamefont}[1]{\normalfont#1}
\renewcommand\glstreepredesc{\hspace{4cm}}
\setglossarypreamble[acronym]{\textbf{Acronym}\hspace{3.3cm}\textbf{Description\vspace*{0.3cm}}}
\newacronym{ADF}{ADF}{Automatic Direction Finder}
\newacronym{ADI}{ADI}{Automatic Direction Indicator}
\begin{document}
\printglossary[type=\acronymtype, title={Table of Acronyms}, nonumberlist, style=index]
\bigskip
Here, we use the acronym \acrfull{ADF}. The second acronym is \acrfull{ADI}. After the first usage of the 1st acronym, only the short version is used: \acrshort{ADF}.
\end{document}
In the following result picture one can see that the first letters of both descriptions are not vertically aligned:
The question is: how to make them vertically aligned? Thanks in advance!
style=longheader
?