%%%%% Package ``beamertheme-light'': a colored beamer theme %%%%%
%%%%% Authors: Fabien Vergnet and Vivien Goepp %%%%%
%%%%% Contact: f.j.vergnet@gmail.com and vivien.goepp@gmail.com %%%%%
%%%%% Special thanks to: निरंजन <hi.niranjan@pm.me> %%%%%
%%%%% Package version 1.1 (12/11/2024) %%%%%
%%%%% License: GNU General Public License, version 3

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamertheme-light}[2024/11/12 v1.1 Beamer style package]

\mode<presentation>

%%%%% Define colors %%%%%
% Defaut:
\definecolor{vertfonce}{rgb}{0.20,0.43,0.09} 
% Blue:
\definecolor{frenchblue}{rgb}{0.0, 0.45, 0.73}
\definecolor{sanddune}{rgb}{0.59, 0.44, 0.09}
% Purple:
\definecolor{darkmagenta}{rgb}{0.55, 0.0, 0.55}
\definecolor{byzantium}{rgb}{0.44, 0.16, 0.39}
\definecolor{sanddune}{rgb}{0.59, 0.44, 0.09}
% Beige:
\definecolor{darkpastelred}{rgb}{0.76, 0.23, 0.13}
\definecolor{desertsand}{rgb}{0.93, 0.79, 0.69}

%%%%% Define body and title colors %%%%%
%% Foreground colors
\newcommand{\light@wordcolor}{vertfonce} % Text color
%% Optional colors
\DeclareOption{blue}{\renewcommand{\light@wordcolor}{frenchblue}}
\DeclareOption{red}{\renewcommand{\light@wordcolor}{darkpastelred}}
\DeclareOption{purple}{\renewcommand{\light@wordcolor}{darkmagenta}}
\DeclareOption*{\PackageWarning{descartes}{Unknown ‘\CurrentOption’}}
\ProcessOptions\relax

%% Background colors
\newcommand{\light@strbg}{white!90!black} % Structure background color
\DeclareOption{blue}{\renewcommand{\light@strbg}{sanddune!15!white}}
\DeclareOption{red}{\renewcommand{\light@strbg}{desertsand!30!white}}
\DeclareOption{purple}{\renewcommand{\light@strbg}{byzantium!25!white}}
\DeclareOption*{\PackageWarning{descartes}{Unknown ‘\CurrentOption’}}
\ProcessOptions\relax

%% Set colors
\setbeamercolor{title in head/foot}{fg=\light@wordcolor,bg=white!90!black}
\setbeamercolor{structure}{fg=\light@wordcolor,bg=\light@strbg}
\setbeamercolor{title}{fg=\light@wordcolor,bg=white}

%%%%% Define title frame %%%%%
\defbeamertemplate*{title page}{customized}[1][]%
{%
  \vspace{1cm}%
  \usebeamerfont{title}\usebeamercolor[fg]{title}\center{\huge \inserttitle}\par
   \center{\rule{0.6666\paperwidth}{0.02cm}\par}%
  \bigskip
  \usebeamerfont{author}\usebeamercolor[black]{author}{\large \insertauthor}\\%
  \bigskip
  \usebeamerfont{institute}{\small \insertinstitute}\par
  \bigskip
  \vspace{1cm}%
  \usebeamerfont{date}{\small \insertdate}\par
}
%%%%% End define title frame %%%%%

%%%%% Define footline %%%%%
\setbeamertemplate{footline}%
{%
  \leavevmode
  \hbox{%
  \begin{beamercolorbox}[wd =.45\paperwidth, ht = 2.25ex, dp = 1ex, center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\colorbox{structure.bg}{\makebox[0.45\paperwidth]{\insertshortauthor}}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd =.45\paperwidth, ht = 2.25ex, dp = 1ex, center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\colorbox{structure.bg}{\makebox[0.45\paperwidth]{\insertshorttitle}}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.10\paperwidth, ht = 2.25ex, dp = 1ex, right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\colorbox{structure.bg}{\makebox[0.10\paperwidth]{%
    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex}}}%
  \end{beamercolorbox}}%
  \vskip0pt\relax
}
%%%%% End define footline %%%%%

%%%%% Define command for the "Thank you" frame
\newcommand{\thankframe}[1]{%
\setbeamercolor{background canvas}{fg = title.fg,bg = title.fg!50!black}%
\setbeamertemplate{footline}{}%
\begin{frame}%
	\center{\Huge \textcolor{white}{#1}}%
\end{frame}%
\setbeamercolor{structure}{fg = \light@wordcolor, bg = \light@strbg}%
\setbeamercolor{background canvas}{fg = black,bg = white}%
}
%%%%% End define command for the "Thank you" frame

%% Rounded block (for definition, prop, theorems, etc...)
\setbeamertemplate{blocks}[rounded][shadow = true]

%% No navigation symbols
\setbeamertemplate{navigation symbols}{}

%% Redefine itemize
\setbeamercolor{item}{fg = title.fg, bg = title.fg}
\setbeamertemplate{itemize item}{{\tiny{\textbullet}}}

%% Redefine the way the legend of a figure is written
\setbeamertemplate{caption}{\raggedright\scriptsize{\insertcaption}\par}

%% To have "[number]" before any reference in bibliography
\setbeamertemplate{bibliography item}[text]

%% Remove 1 from the counter (title frame is 0)
\addtocounter{framenumber}{-1}

\mode<all>