- Improve dark mode.

- Pass options to book class.

Color.sty

@@ -1,8 +1,32 @@
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{PrimeTeX/Color}[2025-07-09]
 
+\RequirePackage{ifthen}
+
+\newboolean{colorIsDarkMode}
+\setboolean{colorIsDarkMode}{false}
+
+\DeclareOption{darkmode}{
+	\setboolean{colorIsDarkMode}{true}
+}
+\ProcessOptions\relax
+
 % Color import and definition
-%#region
-	\RequirePackage{xcolor}
-	\definecolor{PrimeBlue}{RGB}{192,224,255}%{25,45,145}
-%#endregion
+\RequirePackage{xcolor}
+
+\ifthenelse{\boolean{colorIsDarkMode}}{
+	\pagecolor[rgb]{0.2,0.2,0.2}
+	\color[rgb]{0.9,0.9,0.9}
+
+	\definecolor{pageColor}{rgb}{0.2,0.2,0.2}
+	\definecolor{paleGray}{rgb}{0.3,0.3,0.3}
+
+	\definecolor{PrimeBlue}{RGB}{149, 164, 237}
+	\definecolor{PrimePaleBlue}{RGB}{35, 39, 56}
+}{
+	\colorlet{pageColor}{white}
+	\colorlet{paleGray}{gray!10}
+
+	\definecolor{PrimeBlue}{RGB}{25,45,145}
+	\definecolor{PrimePaleBlue}{RGB}{233,236,251}
+}

Graphics.sty

@@ -1,56 +1,52 @@
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{PrimeTeX/Graphics}[2025-07-09]
 
-	\RequirePackage{PrimeTeX/Layout}
+\RequirePackage{PrimeTeX/Layout}
 
 % Graphics package for including images
-	\RequirePackage{graphicx}
-	\RequirePackage[hypcap=true]{caption}
-	\RequirePackage{calc}
-	
-	\newcommand{\ig}[2][0.5in]{
-		\includegraphics[keepaspectratio,width=#1]{#2}
-	}
+\RequirePackage{graphicx}
+\RequirePackage[hypcap=true]{caption}
+\RequirePackage{calc}
 
-	\newcommand{\cfig}[4]{%
-		\begin{figure}[ht]%
-			\centering%
-			#4{#1}%
-			\caption{#3}%
-			\label{fig:#2}%
-		\end{figure}%
-	}
-	\newcommand{\centerfig}[3]{\cfig{#1}{#2}{#3}{\includegraphics}}
-	\newcommand{\centerfigw}[4][\textwidth]{
-		\cfig{#2}{#3}{#4}{
-			\includegraphics[keepaspectratio,width=#1]
-		}
-	}
+\newcommand{\ig}[2][0.5in]{
+	\includegraphics[keepaspectratio,width=#1]{#2}
+}
 
-	\newcommand{\bigfig}[4][\twoscreenshotmaxwidth]{%
-		\bigfloat[#1]{figure}{htp}{%
-			\captionsetup{type=figure}%
-			\includegraphics[keepaspectratio,width=\textwidth]{#2}%
-			\centering\captionof{figure}{#4}\par%
-			\label{fig:#3}%
-		}%
+\newcommand{\cfig}[4]{%
+	\begin{figure}[ht]%
+		\centering%
+		#4{#1}%
+		\caption{#3}%
+		\label{fig:#2}%
+	\end{figure}%
+}
+\newcommand{\centerfig}[3]{\cfig{#1}{#2}{#3}{\includegraphics}}
+\newcommand{\centerfigw}[4][\textwidth]{
+	\cfig{#2}{#3}{#4}{
+		\includegraphics[keepaspectratio,width=#1]
 	}
+}
 
-	% \RequirePackage{float}
-	% \newfloat{fullpage}{htpb}{dbf}[chapter]
-	% \floatname{fullpage}{Figure}
+\newcommand{\bigfig}[4][\twoscreenshotmaxwidth]{%
+	\bigfloat[#1]{figure}{htp}{%
+		\captionsetup{type=figure}%
+		\includegraphics[keepaspectratio,width=\textwidth]{#2}%
+		\centering\captionof{figure}{#4}\par%
+		\label{fig:#3}%
+	}%
+}
 
-	\newcommand{\doublebigfig}[7][\twoscreenshotmaxwidth]{%
-		\bigfloat[#1]{figure}{p}{%
-			\captionsetup{type=figure}%
-			\includegraphics[keepaspectratio,width=\textwidth]{#2}%
-			\centering\captionof{figure}{#4}\par%
-			\label{fig:#3}
-			\bigskip
-			\captionsetup{type=figure}%
-			\includegraphics[keepaspectratio,width=\textwidth]{#5}%
-			\centering\captionof{figure}{#7}\par%
-			\label{fig:#6}%
-		}%
-	}
+\newcommand{\doublebigfig}[7][\twoscreenshotmaxwidth]{%
+	\bigfloat[#1]{figure}{p}{%
+		\captionsetup{type=figure}%
+		\includegraphics[keepaspectratio,width=\textwidth]{#2}%
+		\centering\captionof{figure}{#4}\par%
+		\label{fig:#3}
+		\bigskip
+		\captionsetup{type=figure}%
+		\includegraphics[keepaspectratio,width=\textwidth]{#5}%
+		\centering\captionof{figure}{#7}\par%
+		\label{fig:#6}%
+	}%
+}
 %#endregion

Manual.cls

@@ -1,9 +1,30 @@
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{PrimeTeX/Manual}[2025-07-09]
 
-\LoadClass[letterpaper,openany,]{book}
+\RequirePackage{ifthen}
 
-\RequirePackage{PrimeTeX/Color}
+\newboolean{isDarkMode}
+\setboolean{isDarkMode}{false}
+
+\DeclareOption{darkmode}{
+	\setboolean{isDarkMode}{true}
+}
+
+\DeclareOption{draft}{
+	\overfullrule = 1in
+}
+
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{book}}
+
+\ProcessOptions\relax
+
+\LoadClass{book}
+
+\ifthenelse{\boolean{isDarkMode}}{
+	\RequirePackage[darkmode]{PrimeTeX/Color}
+}{
+	\RequirePackage{PrimeTeX/Color}
+}
 
 \RequirePackage{PrimeTeX/CrossRef}
 
@@ -27,6 +48,4 @@
 
 \RequirePackage{PrimeTeX/Tables}
 
-\RequirePackage{PrimeTeX/TitlePage}
-
-
+\RequirePackage{PrimeTeX/TitlePage}