\documentclass[en]{elegantbook}
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\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{dsfont}
\usepackage{tikz-cd}
\usepackage{enumerate}
\usepackage[shortlabels]{enumitem}
\usepackage{bm}
% --- Packages ---

% --- Simpler commands ---
\newcommand{\mds}{\mathds}
\newcommand{\mfk}{\mathfrak}
\newcommand{\Z}{\mathds{Z}}
\newcommand{\Q}{\mathds{Q}}
\newcommand{\N}{\mathds{N}}
\newcommand{\OK}{\mathcal{O}_K}
\DeclareMathOperator{\tr}{Trace}
\DeclareMathOperator{\spec}{Spec}
\DeclareMathOperator{\gal}{Gal}
% --- Simpler commands ---
\setcounter{tocdepth}{2}
\title{Note on Algebraic Number Theory}
\subtitle{with a look at modern geometry}
\date{\today}
\institute{The Internet}
\version{0.0.1}
\author{Desvl}
\cover{cover.png}
\begin{document}
	\maketitle
	\tableofcontents
	\input{Chapters/Ch00.tex} % Introduction
	\input{Chapters/Ch01.tex} % Algebraic Integers
	\input{Chapters/Ch02.tex} % Completions
\end{document}