% Copyright 2018 by Zhibo Wang
%
% This file may be distributed and/or modified
% under the LaTeX Project Public License


\definecolor{beamer@simple@color}{RGB}{163 0 0} % bluegreen
\DeclareOptionBeamer{gray}{\definecolor{beamer@simple@color}{gray}{#1}}
\DeclareOptionBeamer{rgb}{\definecolor{beamer@simple@color}{rgb}{#1}}
\DeclareOptionBeamer{RGB}[{12 72 0}]{\definecolor{beamer@simple@color}{RGB}{#1}}
\DeclareOptionBeamer{HTML}{\definecolor{beamer@simple@color}{HTML}{#1}}
\DeclareOptionBeamer{cmyk}{\definecolor{beamer@simple@color}{cmyk}{#1}}
\DeclareOptionBeamer{cmy}{\definecolor{beamer@simple@color}{cmy}{#1}}
\DeclareOptionBeamer{named}{\definecolor{beamer@simple@color}{named}{#1}}
\DeclareOptionBeamer{hsb}{\definecolor{beamer@simple@color}{hsb}{#1}}
\ProcessOptionsBeamer

% sidebar
% on the right
\useoutertheme[width=5\baselineskip,right]{sidebar}
% delete title and author
% \makeatletter
\setbeamertemplate{sidebar right}{\insertverticalnavigation{\beamer@sidebarwidth}}
% \makeatother
% fontsize
\setbeamerfont{section in sidebar}{size=\scriptsize}
\setbeamerfont{subsection in sidebar}{size=\scriptsize}
% margin
\setbeamersize{sidebar width right=3cm}
\setbeamersize{sidebar width left=2cm}



% footline
% delete navigation below
\setbeamertemplate{navigation symbols}{}
% define footline
% \makeatother
\setbeamertemplate{footline}
{
    \leavevmode%
    \hbox{%
    \begin{beamercolorbox}[wd=.4\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor
    \end{beamercolorbox}
    
    \begin{beamercolorbox}[wd=.6\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle\hspace*{13em}
    \insertframenumber{} / \inserttotalframenumber\hspace*{0ex}
    \end{beamercolorbox}}
    
    \vskip0pt%
}
% \makeatletter
% footline color
\setbeamercolor{author in head/foot}{fg=black, bg=mygrey!5!white}
\setbeamercolor{title in head/foot}{fg=black, bg=mygrey!5!white}

% item settings
\setbeamertemplate{itemize item}{$\color{beamer@simple@color}\bullet$}
\setbeamertemplate{itemize subitem}{$\color{beamer@simple@color}\bullet$}
\setbeamertemplate{enumerate items}[square]
\setbeamertemplate{section in toc}[sections numbered]
\setbeamertemplate{subsection in toc}[square]


% color definition
\definecolor{mygrey}{rgb}{0.52, 0.52, 0.51}

\setbeamercolor{structure}{fg=beamer@simple@color, bg=mygrey!10!white}
\setbeamercolor{frametitle}{fg=beamer@simple@color, bg=white}
\setbeamercolor{block title}{bg=mygrey!14!white}
\setbeamercolor{block body}{fg=black,bg=mygrey!10!white}
\setbeamercolor{block body alerted}{bg=white}
\setbeamercolor{block title alerted}{fg=beamer@simple@color,bg=white}
\setbeamerfont{block title alerted}{series=\mdseries}
\setbeamercolor{alerted text}{fg=beamer@simple@color}
\setbeamerfont{alerted text}{series=\bfseries}
\hypersetup{colorlinks,linkcolor=,urlcolor=beamer@simple@color!80!white}
\usefonttheme[onlymath]{serif}