From 3a81b76d1b22c0109b6f3d81c83af91378fb8800 Mon Sep 17 00:00:00 2001
From: mjkwiatkowski <mati.rewa@gmail.com>
Date: Wed, 8 Jul 2026 13:24:39 +0200
Subject: style: added a nice tcolorbox overview for each chapter

---
 content/background.tex | 15 +++++++++++++--
 content/design.tex     | 21 ++++++++++++---------
 style/style.tex        | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+), 11 deletions(-)

diff --git a/content/background.tex b/content/background.tex
index 4fa67c5..6671537 100644
--- a/content/background.tex
+++ b/content/background.tex
@@ -1,4 +1,15 @@
 \chapter{Background}\label{s:background}
+
+\begin{mynote}
+	The contribution in this chapter is three-fold:
+
+	\begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, itemsep=0.2pt]
+		\item We provide a brief overview on datacenter simulation (\Cref{sss:simulation}), compute failures (\Cref{sss:failures}), and digital twinning (\Cref{sss:what_is_digital_twinning}).
+		\item We survey the state-of-the-art concerning datacenter digital twinning (\Cref{sss:digital_twins_for_datacenters}).
+		\item We construct a system model for existing datacenter digital twins (\Cref{ss:system_model_for_dcdts})
+	\end{enumerate}
+\end{mynote}
+
 \section{Datacenters}\label{ss:datacenters}
 In this section we provide a short background on datacenter simulation and hardware failures.
 We find it useful to provide a brief introduction to both topics so as to ensure reader's fullest understanding of subsequent chapters.
@@ -171,8 +182,8 @@ Kalibre takes the best of both \gls{ml} and \gls{cfd} approaches and achieves su
 % Documentation: https://learn.microsoft.com/en-us/azure/digital-twins/
 % Moreover, NVIDIA is doing too as well https://www.nvidia.com/en-sg/omniverse/
 
-%\subsection{System Model for Datacenter Digital Twinning}
-%\label{ss:system_model_for_dcdts}
+\section{System Model for Datacenter Digital Twinning}
+\label{ss:system_model_for_dcdts}
 
 \begin{figure}[t]
 	\centering
diff --git a/content/design.tex b/content/design.tex
index 693f3d9..a6fd23f 100644
--- a/content/design.tex
+++ b/content/design.tex
@@ -1,11 +1,14 @@
 \chapter{Design}\label{s:design}
-
-
-\todo{
-	In this section, you would provide a high-level description of the system or
-	solution and explain your design choices.
-}
-
-
-\lipsum[1-10]
+\begin{mynote}
+	Our contribution in this chapter is three-fold:
+	\vspace{-0.2cm}
+	\begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, itemsep=0.2pt]
+		\item We analyze the requirements for \mysystem (\Cref{ss:requirements_analysis}).
+		\item We propose a conceptual design for \mysystem's architecture (\Cref{ss:design_of_mysystem})
+		\item We describe how \mysystem enables predictive analytics through digital twinning (\Cref{ss:design_discussion})
+	\end{enumerate}
+\end{mynote}
+\section{Requirements Analysis}\label{ss:requirements_analysis}
+\section{Design of \emph{Sunfish}}\label{ss:design_of_mysystem}
+\section{Discussion}\label{ss:design_discussion}
 
diff --git a/style/style.tex b/style/style.tex
index ed43238..2cbd0f2 100644
--- a/style/style.tex
+++ b/style/style.tex
@@ -1,6 +1,10 @@
 \usepackage[T1]{fontenc}
 \usepackage[inline]{enumitem}
 \usepackage[dvipsnames]{xcolor}
+\usepackage[many]{tcolorbox}
+\tcbuselibrary{skins, breakable}
+\usetikzlibrary{calc}
+
 \usepackage{xspace,hyperref, lipsum, booktabs, caption, fancyhdr, footmisc, nomencl, rotating, setspace, subfigure,tocbibind, vmargin, watermark, graphicx, pifont, float, array, ipsum, circledsteps, inconsolata, listings}
 
 \hypersetup {
@@ -24,6 +28,7 @@
 \newcommand{\etc}{\emph{etc.}\xspace}
 \newcommand{\etal}{\emph{et~al.}\xspace}
 \newcommand{\todo}[1]{\textcolor{blue}{#1}}
+\newcommand{\mysystem}{\emph{Sunfish}\xspace}
 
 \newcommand\myCircled[1]{\scalebox{0.75}{\Circled[fill color=black,inner color=white]{{\sffamily#1}}}}
 
@@ -59,4 +64,32 @@
 
 \lstset{style=mystyle}
 
+
+
+\definecolor{ChapterBackground}{HTML}{101010}
+\definecolor{ChapterForeground}{HTML}{e93820}
+\definecolor{CoverForeground}{HTML}{ee0000}
+
+%borderline west = {0.5cm}{0pt}{yellow!50!black},
+\newtcolorbox{mynote}{%
+	enhanced,
+	breakable,
+	boxrule = 0.2mm,
+	colback = yellow!60!white,
+	colframe=yellow!60!black,
+	sharp corners,
+	rounded corners = southeast,
+	arc is angular,
+	arc = 3mm,
+	drop fuzzy shadow=gray!90,
+	leftrule=0.6cm,
+	overlay unbroken = {%
+			\path[fill = tcbcolback!80!black,draw=yellow!60!black]
+			([yshift = 3mm]interior.south east) -- ++(-0.4,-0.1) -- ++(0.1,-0.2);
+
+			\node[inner sep=0pt,xshift=.3cm, anchor=center]
+			at ($ (frame.north west)!.5!(frame.south west) $) {\Huge \textbf{\textcolor{white}{!}}};
+		},
+}
+
 \renewcommand\baselinestretch{1.2}
-- 
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