blupaper.sty

\ProvidesPackage{blupaper}[2023/04/06]

\newif\ifbirddate      \birddatetrue
\newif\ifbirdserif     \birdseriffalse
\newif\ifbirdfancy     \birdfancytrue
\newif\ifbirdcolor     \birdcolortrue
\newif\ifbirdcode      \birdcodefalse

\DeclareOption{nodate}{\birddatefalse}
\DeclareOption{nosans}{\birdseriftrue}
\DeclareOption{nofancy}{\birdfancyfalse}
\DeclareOption{nocolor}{\birdcolorfalse}
\DeclareOption{code}{\birdcodetrue}

\ProcessOptions\relax

% STYLING PACKAGES 
\usepackage{blubase}
%\KOMAoptions{numbers = noendperiod}

\usepackage[nodisplayskipstretch, onehalfspacing]{setspace}

\usepackage{lmodern}
\usepackage{microtype}
\usepackage{multicol}
\usepackage{titling} 
\usepackage{biblatex}

% links
\usepackage{hyperref}
\usepackage{cleveref} % must be loaded after hyperref

\usepackage{float}
\usepackage{endnotes}

\usepackage{amsmath}
\usepackage{thmtools}
\usepackage[margin=1in, head=18pt \relax]{geometry}
\PassOptionsToPackage{svgnames, dvipsnames, usenames}{xcolor}
\usepackage[framemethod = TikZ]{mdframed}
\usepackage{silence} % for suppressing warnings :)

% TITLE CUSTOMIZATION
\setlength{\droptitle}{-2cm}
\pretitle{\begin{center}\Large \bfseries} 
\posttitle{\par\end{center}}
\preauthor{\vspace{-1.25em} \begin{center} \large \rmfamily \scshape}
\postauthor{\par\end{center}}
\predate{\vspace{-1.5em} \begin{center} \large \rmfamily \scshape}
\postdate{\par\end{center}}

% SETUP

\ifbirddate\else
	\date{~\vspace{-5ex}}
\fi

\ifbirdserif
    \addtokomafont{disposition}{\rmfamily}
\else
	\renewcommand{\familydefault}{\sfdefault}
\fi

\ifbirdcolor \else
	\renewcommand{\vocab}[1]{\textbf{\boldmath #1}}
\fi


%\RedeclareSectionCommand[
%	beforeskip = .4\baselineskip
%]{paragraph}

\ifbirdfancy
  \usepackage{scrlayer-scrpage}
	\setkomafont{pageheadfoot}{\normalcolor}
\fi

%Section heading numbers in the margin
%\renewcommand{\sectionlinesformat}[4]{\makebox[0pt][r]{#3}#4}

\allowdisplaybreaks
\AtBeginDocument{
  \setlength{\belowdisplayskip}{0.5em}
	\setlength{\belowdisplayshortskip}{0.2em}
	\setlength{\abovedisplayskip}{0.5em}
	\setlength{\abovedisplayshortskip}{0.2em}
}

% Make itemize bullets smaller
\setlist{noitemsep, topsep = 0.4em}
\renewcommand\labelitemi{\raisebox{0.15em}{\tiny$\bullet$}}
\renewcommand{\arraystretch}{0.8}

% theorem box setup
\mdfsetup{
	roundcorner = 2pt,
	linewidth = 1pt,
	innertopmargin = 0.5em,
	innerbottommargin = 1em,
  frametitlefont = \bfseries
}

\newenvironment{solution}{\begin{proof}[Solution]}{\end{proof}}

% THEOREM BOX COLORS - need some love
\ifbirdcolor
	\colorlet{defforeground}{red!70!black}
	\colorlet{defbackground}{red!5}
	\colorlet{thmforeground}{blue}
	\colorlet{thmbackground}{blue!5}
	\colorlet{exforeground}{green!50!black}
	\colorlet{exbackground}{green!5}
\else
	\colorlet{defforeground}{black}
	\colorlet{defbackground}{white}
	\colorlet{thmforeground}{black}
	\colorlet{thmbackground}{white}
	\colorlet{exforeground}{black}
	\colorlet{exbackground}{white}
\fi

\mdfdefinestyle{mdredbox}{
	linecolor = defforeground,
	backgroundcolor = defbackground,
}
\declaretheoremstyle[
	headfont = \sffamily\bfseries\color{defforeground},
	mdframed = {style = mdredbox},
	headpunct = {\\[0.4pt]},
	postheadspace = {0pt}
]{defbox}

\mdfdefinestyle{mdbluebox}{
	linecolor = thmforeground,
	backgroundcolor = thmbackground,
}
\declaretheoremstyle[
	headfont = \sffamily\bfseries\color{thmforeground},
	mdframed = {style = mdbluebox},
	headpunct = {\\[3pt]},
	postheadspace = {0pt}
]{thmbox}

\mdfdefinestyle{mdgreenbox}{
	linecolor = exforeground,
	backgroundcolor = exbackground,
}
\declaretheoremstyle[
	headfont = \sffamily\bfseries\color{exforeground},
	mdframed = {style = mdgreenbox},
	headpunct = {\\[3pt]},
	postheadspace = {0pt},
	preheadhook = {~\vspace{-6pt}},
]{exbox}

\declaretheoremstyle[
	bodyfont = \normalfont
]{plain}

\declaretheoremstyle[
  bodyfont = \normalfont,
  qed = $\lozenge$
]{example}

\newcommand{\boxhack}{~\vspace{-2em}}

% THEOREM STYLES - need some love
\declaretheorem[name = Definition, numberwithin=section]{definition}
\declaretheorem[name = Theorem, numberwithin=section,
sibling = definition]{theorem}
\declaretheorem[name = Lemma, sibling = theorem]{lemma}
\declaretheorem[name = Proposition, sibling = theorem]{proposition}
\declaretheorem[name = Corollary, sibling = theorem]{corollary}
\declaretheorem[name = Conjecture, sibling = theorem]{conjecture}
%\declaretheorem[style = thmbox, name = Algorithm, sibling = theorem]{algorithm}

\declaretheorem[name = Fact, sibling = theorem]{fact}

\declaretheorem[style = plain, name = Exercise, numbered = no]{exercise}
\declaretheorem[style = plain, name = Problem, numbered = no]{problem}
\declaretheorem[style = plain, name = Question, numbered = no]{question}
\declaretheorem[style = plain, name = Answer, numbered = no]{answer}
\declaretheorem[style = plain, name = Remark, numbered = no]{remark}

\declaretheorem[style = plain, name = Case, numberwithin = theorem]{case}
\declaretheorem[style = plain, name = Claim, numberwithin = theorem]{claim}
	
\declaretheorem[style = exbox, name = Example, sibling = theorem]{example}
\declaretheorem[style = example, name = Example, sibling = theorem]{pexample}
\declaretheorem[style = exbox, name = Example, numbered = no]{example*}
\declaretheorem[style = plain, name = Definition, numberwithin=section,
sibling = definition]{pdefinition}
\declaretheorem[style = plain, name = Lemma, sibling = theorem]{plemma}

% Suppress mdframed warnings
\WarningFilter{mdframed}{You got a bad break} % 'Cause you've had a bad day...

\ifbirdcode
	\usepackage{minted}
	\setminted{linenos = true, breaklines = true, tabsize = 4}

	\usepackage{accsupp} % prevents selection of line numbers
	\let\oldfancyVerbLine\theFancyVerbLine
	\renewcommand{\theFancyVerbLine}{\BeginAccSupp{ActualText={}}\oldfancyVerbLine\EndAccSupp{}}
\fi