% MaterialBeamer-BEAMER
%
% Lorenzo Lancia

% Based on Radboud U. Beamer by Pim Vullers
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.

\usepackage[no-math]{fontspec}
\usepackage{roboto}




%%%
%%% Inherit definitions from existing themes (DO NOT MODIFY THESE)
%%%

% Layout scheme for outer elements: split header and footer
%\useoutertheme{split}

% Color scheme for outer elements: use background colors
%\usecolortheme{whale}

% Layout scheme for inner elements: rounded elements
%\useinnertheme{rounded} 

% Color scheme for inner elements: use foreground colors
%\usecolortheme{orchid}

\mode<presentation>

\useoutertheme[subsection=false]{smoothbars}
\useinnertheme[shadow=false]{rounded}
\usecolortheme{orchid}
\usecolortheme{whale}

\setbeamerfont{block title}{size={}}

%%%
%%% Tweak definitions of inner theme to match personal preferences (MODIFY THESE)
%%%

% Itemize items: default (triangle), circle, square, ball
\setbeamertemplate{itemize items}[circle]

% Enumerate items: default, circle, square, ball
\setbeamertemplate{enumerate items}[circle]

% Outline: default, sections numbered, subsections numbered, circle, square, ball, ball unnumbered
\setbeamertemplate{sections/subsections in toc}[default]

% General blocks: 
\setbeamertemplate{blocks}[rounded=false]

% Title page:
\setbeamertemplate{title page}[default][colsep=-4bp,rounded=false]

% Part page:
\setbeamertemplate{part page}[default][colsep=-4bp,rounded=false]

% Navigation symbols:
\setbeamertemplate{navigation symbols}{}





% Colors
%\definecolor{sapred}{RGB}{130,36,51}
\definecolor{sapblue}{RGB}{0,103,120}

% Material Colors
\definecolor{matred}{HTML}{F44336}
\definecolor{matblue}{HTML}{2196F3}
\definecolor{matbluelight}{HTML}{BBDEFB}
\definecolor{matbluedark}{HTML}{1976D2}

\setbeamercolor{structure}{fg = matbluedark}
%\setbeamercolor{frametitle}{parent=subsection in head/foot}
%\setbeamercolor{frametitle right}{parent=section in head/foot}
\definecolor{grey}{HTML}{51504A}
\setbeamercolor{section in head/foot}{ bg=matbluedark, fg=white}
\setbeamercolor{footline}{ bg=matbluedark}
\setbeamercolor{title in head/foot}{bg=matbluedark, fg=white}

%\pgfdeclarehorizontalshading[frametitle.bg,frametitle right.bg]{beamer@frametitleshade}{\paperheight}{%
%  color(0pt)=(sapblue);
%  color(\paperwidth)=(sapblue)}

%shadowing
\AtBeginDocument{
\pgfdeclareverticalshading{b@matshade}{\the\paperwidth}
        {rgb(0pt)=(1,1,1); rgb(3pt)=(0.8,0.8,0.8);rgb(5pt)=(0.75,0.75,0.75)}
}

% Footline: AUTHOR | TITLE | DATE FRAMENUMBER

\defbeamertemplate*{footline}{mat theme}{%
\begin{beamercolorbox}[wd=\paperwidth,ht=5ex,dp=2.25ex]{title in head/foot}%
\begin{minipage}[t]{0.48\textwidth}%
\hskip10pt\insertshortauthor%
\end{minipage}%
\begin{minipage}[t]{0.48\textwidth}%
%
\hfill\insertframenumber{} / \inserttotalframenumber\hskip10pt\vfill%
%
\end{minipage}%
\end{beamercolorbox}%
\vfill%
}

\usepackage{tcolorbox}  
\tcbuselibrary{skins}                                  %  preamble 
\usepackage{tikz}                                      %
\usetikzlibrary{shadows,shadings}                      %

\tikzset{myshadow/.style={                             % custom shadow with tikz
         opacity=.16,
         shadow xshift=0.01,
         shadow yshift=-0.02,
         shade,
         shading=axis,
         shading angle=230}
         } 
\tcbset{                                               % set a custom tcolorbox  
        skin=enhanced,                                 % enables use of shadows
        frame style={fill=matblue,drop shadow={myshadow}}, % sets the frame color and the shadow properties
        bottom=5pt,                                    % distance between the body text and the bottom frame
        top=5pt,                                      % distance between the body text and the top frame
        boxrule=0mm,                                   % frame width
        bottomtitle=2mm,                               % distance between the title text and the bottom title frame               
        toptitle=2mm,                                  % distance between the title text and the top title frame
        lefttitle=10pt                                  % title text left margin
}  

\setbeamercolor{block body}{bg=matbluelight, fg=black}
\defbeamertemplate*{block begin}{mat theme}
{
 \begin{tcolorbox}[title=\large \insertblocktitle]
  }
\defbeamertemplate*{block end}{mat theme}  
{\end{tcolorbox}\vskip\smallskipamount}


\defbeamertemplate*{headline}{mat theme}{%
  \leavevmode%
    \begin{beamercolorbox}[wd=\paperwidth]{section in head/foot}%
       \vskip5pt \hskip10pt \insertshorttitle \hfill \robotocondensed
 \insertsectionnavigationhorizontal{.8\textwidth}{\hskip0pt plus1filll}{}
\vskip5pt%
      \ifx\insertframesubtitle\@empty%
      \pgfuseshading{b@matshade}
      \fi
    \end{beamercolorbox}%
               %
    %\begin{beamercolorbox}[wd=.4\paperwidth,ht=\@tempdimb,right]{subsection in head/foot}%
    %  \vbox to\@tempdimb{\vfil\vfil\textbf{\footnotesize\insertshortinstitute~~}\vfil}%
    %\end{beamercolorbox}% 
  
}


\setbeamerfont{frametitle}{size=\normalsize, parent=structure}


\defbeamertemplate*{frametitle}{mat theme}{%
\nointerlineskip%
\setbeamercolor{titlebar}{fg=white,bg=matblue}%
\begin{beamercolorbox}[wd=\paperwidth, ht=5ex]{titlebar}%
\hskip10pt \robotocondensed\insertframetitle\vfill%
     \pgfuseshading{b@matshade}%
\end{beamercolorbox}
}
  
  
  
\defbeamertemplate*{title page}{ru theme}[1][]
{
\nointerlineskip

\usebeamerfont{subtitle}
%\setbeamercolor{thead}{fg=white,bg=sapred}
\begin{beamercolorbox}[sep=1em,wd=\paperwidth, ht=2.5cm, dp=0.5cm,right ]{thead}
\usebeamerfont{author} \insertauthor\par
\usebeamerfont{institute}\robotocondensed
\insertinstitute\par 
\end{beamercolorbox}
\nointerlineskip


\setbeamercolor{postit}{fg=white, bg=matblue}
\begin{beamercolorbox}[sep=1em,wd=\paperwidth,ht=3cm,dp=3cm]{postit}
\begin{minipage}[t]{0.6\textwidth}
\usebeamerfont{title} {\Huge
 \inserttitle} \par
\usebeamerfont{subtitle} {\robotocondensed
 \insertsubtitle}


\end{minipage}%
\begin{minipage}[t]{0.4\textwidth}
\inserttitlegraphic
\end{minipage}
\end{beamercolorbox}
%\setbeamercolor{postit}{fg=sapred}
}