- 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
+\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

@@ -36,10 +36,6 @@
 	}%
 }
 
-	% \RequirePackage{float}
-	% \newfloat{fullpage}{htpb}{dbf}[chapter]
-	% \floatname{fullpage}{Figure}
-
 \newcommand{\doublebigfig}[7][\twoscreenshotmaxwidth]{%
 	\bigfloat[#1]{figure}{p}{%
 		\captionsetup{type=figure}%

Manual.cls

@@ -1,9 +1,30 @@
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{PrimeTeX/Manual}[2025-07-09]
 
-\LoadClass[letterpaper,openany,]{book}
+\RequirePackage{ifthen}
 
+\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}
 
@@ -28,5 +49,3 @@
 \RequirePackage{PrimeTeX/Tables}
 
 \RequirePackage{PrimeTeX/TitlePage}
-
-