% -*- coding: utf-8 -*-
% ----------------------------------------------------------------------------
% Author:  Jianrui Lyu <tolvjr@163.com>
% Website: https://github.com/lvjr/concrete
% License: The LaTeX Project Public License 1.3c
% ----------------------------------------------------------------------------

\ProvidesPackage{beamerthemecbernoulli}[2024-01-21 v2024B Beamer Theme cBernoulli]

\makeatletter

% compatible with old versions of beamer
\providecommand{\beamer@endinputifotherversion}[1]{}

\RequirePackage{tikz,etoolbox,adjustbox}
\usetikzlibrary{positioning}

\mode<presentation>

\setbeamersize{text margin left=8mm,text margin right=8mm}

%% ----------------- background canvas and background ----------------

\defbeamertemplate{background}{line}{%
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
    \draw[xstep=\paperwidth,ystep=1mm,color=tcolor] (0,0) grid (\paperwidth,\paperheight);
  \end{tikzpicture}%
}

\defbeamertemplate{background}{linear}{%
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
    \draw[pattern=horizontal lines, pattern color=tcolor]
      (0,0) rectangle (\paperwidth,\paperheight);
  \end{tikzpicture}%
}

\defbeamertemplate{background}{lattice}{%
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
    \draw[step=1mm,color=tcolor] (0,0) grid (\paperwidth,\paperheight);
  \end{tikzpicture}%
}

% need "text badly ragged" option for correct space skips
% see http://tex.stackexchange.com/a/132748/8956
\gdef\my@background@title{%
  \begin{tikzpicture}
  \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
  \fill[fill=fcolor]
    (0,0) rectangle (\paperwidth,\paperheight);
  \node[above right,text width=0.76\paperwidth,text badly ragged,fill=white,
        inner sep=0.02\paperwidth,minimum height=0.2\paperheight]
       (one) at (0.1\paperwidth,0.5\paperheight) {%
      \usebeamerfont{title}\usebeamercolor[fg]{title}\inserttitle
      \ifx\insertsubtitle\@empty\else
        \\[5pt]\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}
        \insertsubtitle\\
      \fi
  };
  \node[below right,text width=0.76\paperwidth,text badly ragged,
        inner sep=0.02\paperwidth,minimum height=0.2\paperheight]
       (two) at (0.1\paperwidth,0.5\paperheight) {%
    \usebeamerfont{author}\usebeamercolor[fg]{author}\insertauthor\\%
    \ifx\insertinstitute\@empty\else
      \usebeamerfont{institute}\usebeamercolor[fg]{institute}\insertinstitute\\%
    \fi
    \usebeamerfont{date}\usebeamercolor[fg]{date}\insertdate\\%
  };
  \fill[fcolor!70!white]
       (one.north west) -- ++(-0.1\paperwidth,0.1\paperwidth) node[coordinate](nw){}
          -- +(\paperwidth,0) node[coordinate](ne){} -- (one.north east) -- cycle;
  \fill[fcolor!50!scolor]
       (two.south west) -- ++(-0.1\paperwidth,-0.1\paperwidth) node[coordinate](sw){}
          -- +(\paperwidth,0) node[coordinate](se){} -- (two.south east) -- cycle;
  \fill[fcolor!70!scolor]
       (one.north west) -- (two.south west) -- (sw) -- (nw) -- cycle
       (one.north east) -- (two.south east) -- (se) -- (ne) -- cycle;
  \draw<beamer:0>[thick,densely dashed,dcolor]
       (one.north west) -- (one.south west) -- (one.south east) -- (one.north east) -- cycle
       (two.north west) -- (two.south west) -- (two.south east) -- (two.north east);
  \draw<beamer:0>[thick,dcolor]
       (one.north west) -- (nw) -- (ne) -- (one.north east)
       (two.south west) -- (sw) -- (se) -- (two.south east);
  \draw<beamer:0>[very thick,dcolor] (sw) -- (nw) (se) -- (ne);
  \end{tikzpicture}
}

\newcommand{\maincontents}{Main Contents}

\gdef\my@background@section{%
  \begin{tikzpicture}
  \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
  \node[right,text width=0.76\paperwidth,text badly ragged,inner xsep=0.02\paperwidth,
              inner ysep=0.04\paperwidth,minimum height=0.2\paperheight]
       (main) at (0.1\paperwidth,0.5\paperheight) {%
          \begin{minipage}{0.76\paperwidth}
              \usebeamertemplate{section page content}%
          \end{minipage}%
  };
  \path (main.north west) +(-0.1\paperwidth,0)
        node[above right,minimum width=\paperwidth,minimum height=0.1\paperheight,
             text width=0.76\paperwidth,inner xsep=0.12\paperwidth,
             text badly ragged,fill=fcolor,text=dcolor] (top)
        {\usebeamerfont{section in toc}\maincontents};
  \path (main.south west) +(-0.1\paperwidth,0)
        node[below right,minimum width=\paperwidth,minimum height=0.1\paperheight,
             fill=fcolor!50!scolor] (bot) {};
  \draw<beamer:0> (top.north west) --  (top.north east)
                  (top.south west) --  (top.south east);
  \draw<beamer:0> (bot.north west) --  (bot.north east)
                  (bot.south west) --  (bot.south east);
  \end{tikzpicture}
}

\gdef\my@background@subsection{%
  \begin{tikzpicture}
  \useasboundingbox (0,0) rectangle (\paperwidth,\paperheight);
  \node[right,text width=0.76\paperwidth,text badly ragged,inner xsep=0.02\paperwidth,
              inner ysep=0.04\paperwidth,minimum height=0.2\paperheight]
       (main) at (0.1\paperwidth,0.5\paperheight) {%
          \begin{minipage}{0.76\paperwidth}
               \usebeamertemplate{subsection page content}%
          \end{minipage}
  };
  \path (main.north west) +(-0.1\paperwidth,0)
        node[above right,minimum width=\paperwidth,minimum height=0.08\paperheight,
             text width=0.76\paperwidth,inner xsep=0.12\paperwidth,
             text badly ragged,fill=fcolor,text=dcolor] (top)
        {\usebeamerfont{subsection in toc}\maincontents};
  \path (main.south west) +(-0.1\paperwidth,0)
        node[below right,minimum width=\paperwidth,minimum height=0.08\paperheight,
             fill=fcolor!50!scolor] (bot) {};
  \draw<beamer:0> (top.north west) --  (top.north east)
                  (top.south west) --  (top.south east);
  \draw<beamer:0> (bot.north west) --  (bot.north east)
                  (bot.south west) --  (bot.south east);
  \end{tikzpicture}
}

%% -------------------------- title page -----------------------------

\defbeamertemplate{title page}{snake}
{%
  \nointerlineskip
  \begin{adjustbox}{width=\paperwidth,center}%
    \my@background@title
  \end{adjustbox}%
}

%% ----------------------- section and subsection --------------------

\def\sectionintocskip{0.5em}
\patchcmd{\beamer@sectionintoc}{\vskip1.5em}{\vskip\sectionintocskip}{}{}

% create new template for section
\defbeamertemplate{section}{simple}{%
  \insertsectionnumber.\hspace*{1ex}\insertsection%
}

\defbeamertemplate{at begin section}{normal}{%
  \frame{\sectionpage}
}
\defbeamertemplate{at begin section}{plain}{%
  \frame[plain]{\sectionpage}
}
\AtBeginSection[]{\usebeamertemplate{at begin section}}

\defbeamertemplate{section page}{snake}{%
  \nointerlineskip
  \begin{adjustbox}{width=\paperwidth,center}%
    \my@background@section
  \end{adjustbox}%
}

\defbeamertemplate{section page content}{simple}{
  \begin{beamercolorbox}[wd=\textwidth,center]{section title}%
    \usebeamerfont{section title}
    \usebeamertemplate{section}%
  \end{beamercolorbox}
}
\defbeamertemplate{section page content}{level}{
  \tableofcontents[sectionstyle=show/shaded,subsectionstyle=hide]%
}

% create new template for subsection
\defbeamertemplate{subsection}{simple}{%
  \insertsectionnumber.\insertsubsectionnumber\hspace*{2ex}\insertsubsection%
}

\defbeamertemplate{at begin subsection}{normal}{%
  \frame{\subsectionpage}
}
\defbeamertemplate{at begin subsection}{plain}{%
  \frame[plain]{\subsectionpage}
}
\AtBeginSubsection[]{\usebeamertemplate{at begin subsection}}

\defbeamertemplate{subsection page}{snake}{%
  \nointerlineskip
  \begin{adjustbox}{width=\paperwidth,center}%
    \my@background@subsection
  \end{adjustbox}%
}

\defbeamertemplate{subsection page content}{simple}{
  \begin{beamercolorbox}[wd=\textwidth,center]{subsection title}%
  \usebeamerfont{subsection title}%
  \usebeamertemplate{subsection}%
  \end{beamercolorbox}%
}
\defbeamertemplate{subsection page content}{level}{%
  \tableofcontents[sectionstyle=hide,subsectionstyle=show/shaded/hide]%
}
\defbeamertemplate{subsection in toc}{triangle}{%
  \leavevmode\leftskip=2.5em\scriptsize\raise1.25pt%
  \rlap{\hskip-1.5em\donotcoloroutermaths$\blacktriangleright$}%
  \normalsize\inserttocsubsection\par
}

%% ---------------------- headline and footline ----------------------

\defbeamertemplate{footline left}{author}{%
  \insertshortauthor
}

\defbeamertemplate{footline center}{title}{%
  \insertshorttitle
}

\defbeamertemplate{footline right}{number}{%
  \Acrobatmenu{GoToPage}{\insertframenumber{}/\inserttotalframenumber}%
}
\defbeamertemplate{footline right}{normal}{%
  \hyperlinkframeendprev{$\vartriangle$}
  \Acrobatmenu{GoToPage}{\insertframenumber{}/\inserttotalframenumber}
  \hyperlinkframestartnext{$\triangledown$}%
}

\defbeamertemplate{footline}{simple}{%
  \hbox{%
  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,left]{footline}%
    \usebeamerfont{footline}\kern\beamer@leftmargin
    \usebeamertemplate{footline left}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.6\paperwidth,ht=2.25ex,dp=1ex,center]{footline}%
    \usebeamerfont{footline}\usebeamertemplate{footline center}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,right]{footline}%
    \usebeamerfont{footline}\usebeamertemplate{footline right}%
    \kern\beamer@rightmargin
  \end{beamercolorbox}%
  }%
}

\defbeamertemplate{footline}{sectioning}{%
  % default height is 0.4pt, which is ignored by adobe reader, so we increase it by 0.2pt
  {\usebeamercolor[fg]{separator line}\hrule height 0.6pt}%
  \hbox{%
  \begin{beamercolorbox}[wd=.8\paperwidth,ht=2.25ex,dp=1ex,left]{footline}%
    \usebeamerfont{footline}\kern\beamer@leftmargin\insertshorttitle
    \ifx\insertsection\@empty\else\qquad$\vartriangleright$\qquad\insertsection\fi
    \ifx\insertsubsection\@empty\else\qquad$\vartriangleright$\qquad\insertsubsection\fi
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,right]{footline}%
     \usebeamerfont{footline}\usebeamertemplate{footline right}%
     \kern\beamer@rightmargin
  \end{beamercolorbox}%
  }%
}

% customize mini frames template to get both a progress and navigation bar

\newcommand{\my@bigsize}{9}
\newcommand{\my@medsize}{7}
\newcommand{\my@smallsize}{5}
\let\my@box@size=\my@bigsize

\newlength{\my@tempsize}

\newcounter{my@sectnum}

\newcommand{\my@lastdigit}[1]{%
  \loop\ifnum\value{#1}>9\addtocounter{#1}{-10}\repeat
  \arabic{#1}%
}

\newcommand\my@fixedbox[2]{%
  \makebox[#1]{\rule[-1ex]{0pt}{3.25ex}#2}%
}

\newcommand\my@colorbox[3]{%
  {\setlength{\fboxsep}{0pt}\colorbox{#1}{\my@fixedbox{#2}{#3}}}%
}

\newcommand{\my@navbox}[1][]{%
  % see http://tex.stackexchange.com/a/53091/8956
  \if\relax\detokenize{#1}\relax
    \def\my@tempbox{\my@fixedbox}%
  \else
    \def\my@tempbox{\my@colorbox{#1}}%
  \fi
  \ifx\my@box\my@bigbox
    \def\my@temptext{\my@lastdigit{my@sectnum}}%
  \fi
  \ifx\my@box\my@medbox
    \def\my@temptext{$\diamond$}%
  \fi
  \ifx\my@box\my@smallbox
    \def\my@temptext{$-$}%
  \fi
  \my@tempbox{\my@tempsize}{\my@temptext}%
}

\defbeamertemplate{navigation box}{home}{%
  \setlength{\my@tempsize}{\my@box@size pt}%
  \my@colorbox{filler2}{\my@tempsize}{$\equiv$}%
}

\defbeamertemplate{navigation box}{done}{%
  \setlength{\my@tempsize}{\my@box@size pt}%
  \my@navbox[filler2]%
}

\defbeamertemplate{navigation box}{todo}{%
  \setlength{\my@tempsize}{\my@box@size pt}%
  \my@navbox
}

\newcommand{\my@bigbox}{\global\let\my@box@size=\my@bigsize\usebeamertemplate{navigation box}}
\newcommand{\my@medbox}{\global\let\my@box@size=\my@medsize\usebeamertemplate{navigation box}}
\newcommand{\my@smallbox}{\global\let\my@box@size=\my@smallsize\usebeamertemplate{navigation box}}
\let\my@medbox@orig=\my@medbox
\let\my@smallbox@orig=\my@smallbox
\let\my@box=\my@bigbox

\newcounter{my@subsectionnumber}
\newcounter{my@normalframenumber}

\AtBeginDocument{%
   \pretocmd{\subsection}{\refstepcounter{my@subsectionnumber}}{}{}%
   \patchcmd{\beamer@writeslidentry}{\addtocontents}{\stepcounter{my@normalframenumber}\addtocontents}{}{}%
}

\AtEndDocument{%
   \immediate\write\@auxout{%
     \noexpand\gdef\noexpand\my@totalsectionnumber{\the\c@section}%
     \noexpand\gdef\noexpand\my@totalsubsectionnumber{\the\c@my@subsectionnumber}%
     \noexpand\gdef\noexpand\my@normalframenumber{\the\c@my@normalframenumber}%
   }%
}

\def\my@totalsectionnumber{0}
\def\my@totalsubsectionnumber{0}
\def\my@normalframenumber{50} % use it instead of \inserttotalframenumber

\newlength{\my@progress@width}
\setlength{\my@progress@width}{\dimexpr0.8\paperwidth-\beamer@leftmargin\relax}

\newlength{\my@slidebox@width}

\def\my@scale@subsection{1}
\def\my@scale@slide{1}

\newcommand{\my@adjustbox}{%
  \ifnum\my@normalframenumber>80\relax
    \gdef\my@scale@subsection{0.7}%
  \else
  \ifnum\my@normalframenumber>45\relax
    \gdef\my@scale@subsection{0.9}%
  \fi\fi
  \pgfmathsetlength{\global\my@slidebox@width}{%
    (\my@progress@width - 2pt - 1pt*\my@bigsize*(\my@totalsectionnumber+1)%
        - 1pt*\my@medsize*\my@scale@subsection*\my@totalsubsectionnumber) / %
    max(1,\my@normalframenumber-\my@totalsectionnumber-\my@totalsubsectionnumber-1)%
  }%
  \pgfmathsetlength{\global\my@slidebox@width}{%
     min(\my@slidebox@width,1pt*\my@smallsize)%
  }%
  \gdef\my@scale@slide{\strip@pt\dimexpr
    \my@slidebox@width/\my@smallsize
  \relax}%
  \gdef\my@medbox{\scalebox{\my@scale@subsection}[1]{\my@medbox@orig}}%
  \gdef\my@smallbox{\scalebox{\my@scale@slide}[1]{\my@smallbox@orig}}%
  % only adjust boxes once
  \global\let\my@adjustbox=\relax
}

\renewcommand{\sectionentry}[5]{\global\let\my@box=\my@bigbox\setcounter{my@sectnum}{#1}}

\pretocmd{\beamer@setuplinks}{\renewcommand{\beamer@subsectionentry}[5]{}}{}{}
\apptocmd{\beamer@setuplinks}{\global\let\beamer@subsectionentry\mybeamer@subsectionentry}{}{}

\newcommand{\mybeamer@subsectionentry}[5]{\global\let\my@box=\my@medbox}

\renewcommand{\slideentry}[6]{%
  \def\my@temp@i{1/1}%
  \def\my@temp@ii{#4}%
  \ifx\my@temp@i\my@temp@ii % title page
    \setbeamertemplate{navigation box}[home]%
  \else
    \setbeamertemplate{navigation box}[done]%
  \fi
  \ifnum\c@section<#1%
    \setbeamertemplate{navigation box}[todo]%
  \else
    \ifnum\c@section=#1\ifnum\c@subsection<#2%
      \setbeamertemplate{navigation box}[todo]%
    \else
      \ifnum\c@subsection=#2\ifnum\c@subsectionslide<#3%
        \setbeamertemplate{navigation box}[todo]%
      \fi\fi
    \fi\fi
  \fi
  \ifx\my@temp@i\my@temp@ii % title page
    \beamer@link(#4){\my@bigbox}%
  \else
    \beamer@link(#4){\my@box}%
  \fi
  \global\let\my@box=\my@smallbox
}

\defbeamertemplate{footline}{progress}{%
  % default height is 0.4pt, which is ignored by adobe reader, so we increase it by 0.2pt
  {\usebeamercolor[fg]{separator line}\hrule height 0.6pt}%
  \begin{beamercolorbox}[wd=\paperwidth,ht=2.25ex,dp=1ex]{footline}%
    \usebeamerfont{footline}%
    \kern\beamer@leftmargin
    \my@adjustbox\dohead%
    \hfill\usebeamertemplate{footline right}%
    \kern\beamer@rightmargin
  \end{beamercolorbox}%
}

%% ------------------------- frame title -----------------------------

\newcommand{\insertframetitlemark}{}

\defbeamertemplate{frametitle}{simple}[1][]
{%
  \nointerlineskip
  \begin{beamercolorbox}[wd=\paperwidth,sep=0pt,leftskip=\beamer@leftmargin,%
                         rightskip=\beamer@rightmargin,#1]{frametitle}
    \usebeamerfont{frametitle}%
    \rule[-3.6mm]{0pt}{12mm}\insertframetitle
    \ifx\insertframetitlemark\@empty\else\hfill
       {\usebeamercolor{normal text}\color{fg!30!bg}\insertframetitlemark}%
    \fi
    \rule[-3.6mm]{0pt}{12mm}\par
  \end{beamercolorbox}
}

%% ------------------- block and theorem -----------------------------

\defbeamertemplate{theorem begin}{simple}
{%
  \upshape%\bfseries\inserttheoremheadfont
  {\usebeamercolor[fg]{theoremname}%
  \inserttheoremname\inserttheoremnumber
  \ifx\inserttheoremaddition\@empty\else\ (\inserttheoremaddition)\fi%
  %\inserttheorempunctuation
  }%
  \quad\normalfont
}
\defbeamertemplate{theorem end}{simple}{\par}

\defbeamertemplate{proof begin}{simple}
{%
  %\bfseries
  {\usebeamercolor[fg]{proofname}\insertproofname}%
  \quad\normalfont
}
\defbeamertemplate{proof end}{simple}{\par}

%% --------------------------- font theme ----------------------------

\setbeamerfont{title}{size=\LARGE}
\setbeamerfont{subtitle}{size=\large}
\setbeamerfont{author}{size=\normalsize}
\setbeamerfont{institute}{size=\normalsize}
\setbeamerfont{date}{size=\normalsize}
\setbeamerfont{section in toc}{size=\large}
\setbeamerfont{subsection in toc}{size=\large}
\setbeamerfont{frametitle}{size=\large}
\setbeamerfont{block title}{size=\normalsize}

\usefonttheme{professionalfonts}
%\usepackage{arev}

%\setlength{\parskip}{5pt plus 1pt minus 1pt}

%% ---------------------------- color theme --------------------------

% always use rgb colors in pdf files
\substitutecolormodel{hsb}{rgb}

\definecolor{red99}{Hsb}{0,0.9,0.9}
\definecolor{yellow86}{Hsb}{60,0.8,0.6}
\definecolor{cyan19}{Hsb}{180,0.1,0.9}
\definecolor{cyan95}{Hsb}{189,0.88,0.49}
\definecolor{blue77}{Hsb}{240,0.7,0.7}
\definecolor{blue99}{Hsb}{240,0.9,0.9}
\definecolor{magenta88}{Hsb}{300,0.8,0.8}

\colorlet{text1}{black}
\colorlet{back1}{white}
\colorlet{accent1}{cyan95}
\colorlet{accent2}{blue99}
\colorlet{accent3}{red99}
\colorlet{accent4}{yellow86}
\colorlet{accent5}{magenta88}
\colorlet{filler1}{accent1!40!back1}
\colorlet{filler2}{accent2!40!back1}
\colorlet{filler3}{accent3!40!back1}
\colorlet{filler4}{accent4!40!back1}
\colorlet{filler5}{accent5!40!back1}
\colorlet{tcolor}{text1!10!back1} % texture color
\colorlet{dcolor}{white} % draw color
\colorlet{fcolor}{cyan95} % fill color
\colorlet{scolor}{black} % shade color

\setbeamercolor{normal text}{bg=back1,fg=text1}
\setbeamercolor{structure}{fg=cyan95}
\setbeamercolor{local structure}{fg=blue99}
\setbeamercolor{footline}{bg=,fg=black}
\setbeamercolor{title}{use=structure,fg=structure.fg}
\setbeamercolor{subtitle}{fg=text1}
\setbeamercolor{author}{fg=white}
\setbeamercolor{institute}{fg=white}
\setbeamercolor{date}{fg=white}
\setbeamercolor{section in toc}{parent=title}
\setbeamercolor{subsection in toc}{parent=title}
\setbeamercolor{section in toc shaded}{parent=normal text}
\setbeamercolor{subsection in toc shaded}{parent=normal text}
\setbeamercolor{frametitle}{parent=title}
\setbeamercolor{separator line}{fg=accent2}
\setbeamercolor{theoremname}{parent=subtitle}
\setbeamercolor{proofname}{parent=subtitle}
\setbeamercolor{block title}{fg=accent1,bg=gray}
\setbeamercolor{block body}{bg=lightgray}
\setbeamercolor{block title example}{fg=accent2,bg=gray}
\setbeamercolor{block body example}{bg=lightgray}
\setbeamercolor{block title alerted}{fg=accent3,bg=gray}
\setbeamercolor{block body alerted}{bg=lightgray}

%% ------------------------ select templates -------------------------

\setbeamertemplate{background canvas}[default]
\setbeamertemplate{background}[line]
\setbeamertemplate{footline}[progress]
\setbeamertemplate{footline left}[author]
\setbeamertemplate{footline center}[title]
\setbeamertemplate{footline right}[number]
\setbeamertemplate{title page}[snake]
\setbeamertemplate{at begin section}[plain]
\setbeamertemplate{at begin subsection}[plain]
\setbeamertemplate{section page}[snake]
\setbeamertemplate{section page content}[level]
\setbeamertemplate{subsection page}[snake]
\setbeamertemplate{subsection page content}[level]
\setbeamertemplate{theorem begin}[default]
\setbeamertemplate{theorem end}[default]
\setbeamertemplate{proof begin}[default]
\setbeamertemplate{proof end}[default]
\setbeamertemplate{frametitle}[simple]
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{section}[simple]
\setbeamertemplate{subsection}[simple]
\setbeamertemplate{section in toc}[sections numbered]
\setbeamertemplate{subsection in toc}[subsections numbered]
\setbeamertemplate{section in toc shaded}[default][100]
\setbeamertemplate{subsection in toc shaded}[default][100]
\setbeamertemplate{itemize items}[default]
\setbeamertemplate{enumerate items}[default]

%% ----------------------- handout mode ------------------------------

\mode<handout>{
  \setbeamertemplate{background canvas}{}
  \setbeamertemplate{background}{}
  \setbeamertemplate{footline}[sectioning]
  \colorlet{dcolor}{darkgray}
  \colorlet{fcolor}{white}
  \colorlet{scolor}{white}
  \setbeamercolor{normal text}{fg=black, bg=white}
  \setbeamercolor{title}{fg=accent1}
  \setbeamercolor{subtitle}{fg=accent1!70!gray}
  \setbeamercolor{author}{fg=black}
  \setbeamercolor{institute}{fg=black}
  \setbeamercolor{date}{fg=black}
  \setbeamercolor{section in toc}{fg=accent1!90!gray}
  \setbeamercolor{subsection in toc}{fg=accent1!80!gray}
  \setbeamercolor{section in toc shaded}{fg=lightgray}
  \setbeamercolor{subsection in toc shaded}{fg=lightgray}
  \setbeamercolor{frametitle}{fg=accent1!70!gray,bg=}
  \setbeamercolor{theoremname}{fg=accent1!60!gray}
  \setbeamercolor{proofname}{fg=accent1!60!gray}
  \setbeamercolor{footline}{bg=white,fg=black}
}

\mode
<all>

\makeatother
