% Copyright 2026 Sewoong Lee
% 
% This work may be distributed and/or modified under the conditions of the
% LaTeX Project Public License, either version 1.3c of this license or (at your
% option) any later version. The latest version of this license is at:
% https://www.latex-project.org/lppl.txt
% 
% This work has the LPPL maintenance status `maintained'.
% The Current Maintainer is Sewoong Lee <samuel27@illinois.edu>.
% 
% The work consists of README.md, LICENSE, beamercolorthemechalkboard.sty,
% beamercolortheme-chalkboard-doc.tex, and chalkboard-example.tex.
% The derived files are beamercolortheme-chalkboard-doc.pdf and chalkboard-example.pdf.

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamercolorthemechalkboard}[2026/10/15 v0.1.0 Chalkboard color theme for Beamer]

% Chalkboard color theme for beamer: dark green board, chalk-colored text.
% Usage: \usetheme{Madrid} \usecolortheme{chalkboard}

\mode<presentation>

\definecolor{chalkboard}{HTML}{2A3B33}
\definecolor{chalkboarddark}{HTML}{1F2B25}
\definecolor{chalkboardlight}{HTML}{34483E}
\definecolor{chalkwhite}{HTML}{E6E4D8}
\definecolor{chalkyellow}{HTML}{EBD58A}
\definecolor{chalkblue}{HTML}{9FC5E0}
\definecolor{chalkpink}{HTML}{F0A6A0}

\setbeamercolor{normal text}{fg=chalkwhite,bg=chalkboard}
\setbeamercolor{background canvas}{bg=chalkboard}
\setbeamercolor{structure}{fg=chalkyellow}
\setbeamercolor{alerted text}{fg=chalkpink}
\setbeamercolor{example text}{fg=chalkblue}

\setbeamercolor{palette primary}{fg=chalkwhite,bg=chalkboarddark}
\setbeamercolor{palette secondary}{fg=chalkwhite,bg=chalkboarddark}
\setbeamercolor{palette tertiary}{fg=chalkwhite,bg=chalkboarddark}
\setbeamercolor{palette quaternary}{fg=chalkwhite,bg=chalkboarddark}

\setbeamercolor{titlelike}{fg=chalkyellow,bg=chalkboarddark}
\setbeamercolor{frametitle}{fg=chalkyellow,bg=chalkboarddark}
\setbeamercolor{title}{fg=chalkyellow,bg=chalkboarddark}
\setbeamercolor{subtitle}{fg=chalkwhite}

\setbeamercolor{author in head/foot}{fg=chalkwhite!75!chalkboard,bg=chalkboarddark}
\setbeamercolor{date in head/foot}{fg=chalkwhite!75!chalkboard,bg=chalkboarddark}

\setbeamercolor{block title}{fg=chalkyellow,bg=chalkboarddark}
\setbeamercolor{block body}{fg=chalkwhite,bg=chalkboardlight}
\setbeamercolor{block title alerted}{fg=chalkpink,bg=chalkboarddark}
\setbeamercolor{block body alerted}{fg=chalkwhite,bg=chalkboardlight}
\setbeamercolor{block title example}{fg=chalkblue,bg=chalkboarddark}
\setbeamercolor{block body example}{fg=chalkwhite,bg=chalkboardlight}

% Chalk-yellow 3D balls for both itemize and enumerate. Numbers are dark
% green because a light number is washed out by the ball's white highlight.
\setbeamercolor{item projected}{fg=chalkboarddark,bg=chalkyellow}
\setbeamerfont{item projected}{series=\bfseries}

% Drop shadows look like smudges on a dark board.
\setbeamertemplate{blocks}[rounded][shadow=false]
\setbeamertemplate{title page}[default][colsep=-4bp,rounded=true,shadow=false]

\mode<all>
\endinput