diff --git a/editor/CMakeLists.txt b/editor/CMakeLists.txt
index d5ea26a..7b91d59 100644
--- a/editor/CMakeLists.txt
+++ b/editor/CMakeLists.txt
@@ -13,7 +13,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets Multimedia LinguistTools)
 find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets Multimedia LinguistTools)
-find_package(QScintilla)
+find_package(QScintilla REQUIRED)
 
 set(TS_FILES editor_en_US.ts)
 
diff --git a/editor/mainwindow.cpp b/editor/mainwindow.cpp
index 99f37a9..80c5cb3 100644
--- a/editor/mainwindow.cpp
+++ b/editor/mainwindow.cpp
@@ -3,12 +3,8 @@
 #include "common.h"
 #include "logger.h"
 #include "objects/datamodel.h"
-#include "objects/jointsservice.h"
-#include "objects/joint/snap.h"
-#include "objects/script.h"
 #include "placedocument.h"
 #include "script/scriptdocument.h"
-#include <map>
 #include <memory>
 #include <qclipboard.h>
 #include <qglobal.h>
@@ -145,10 +141,6 @@ MainWindow::MainWindow(QWidget *parent)
     placeDocument->init();
 
     ui->mdiArea->setTabsClosable(true);
-
-    // auto script = Script::New();
-    // gWorkspace()->AddChild(script);
-    // ui->mdiArea->addSubWindow(new ScriptDocument(script));
 }
 
 void MainWindow::closeEvent(QCloseEvent* evt) {
diff --git a/editor/placedocument.cpp b/editor/placedocument.cpp
index a65d673..be6cc53 100644
--- a/editor/placedocument.cpp
+++ b/editor/placedocument.cpp
@@ -1,7 +1,9 @@
 #include "placedocument.h"
 #include "common.h"
 #include "mainglwidget.h"
+#include "mainwindow.h"
 #include "objects/joint/snap.h"
+#include "objects/script.h"
 #include "rendering/surface.h"
 #include <cstdio>
 #include <memory>
@@ -125,4 +127,9 @@ void PlaceDocument::init() {
     // part0->backSurface = SurfaceHinge;
     part0->backSurface = SurfaceMotor;
     // part1->frontSurface = SurfaceHinge;
+
+    std::shared_ptr<Script> script = Script::New();
+    gWorkspace()->AddChild(script);
+    MainWindow* mainWnd = dynamic_cast<MainWindow*>(window());
+    mainWnd->openScriptDocument(script);
 }
\ No newline at end of file
diff --git a/editor/script/scriptdocument.cpp b/editor/script/scriptdocument.cpp
index aff850c..12fadc3 100644
--- a/editor/script/scriptdocument.cpp
+++ b/editor/script/scriptdocument.cpp
@@ -1,14 +1,37 @@
 #include "scriptdocument.h"
 
 #include <Qsci/qsciscintilla.h>
-#include <Qsci/qscilexer.h>
+#include <Qsci/qscilexerlua.h>
+#include <Qsci/qsciscintillabase.h>
+#include <Qsci/qscistyle.h>
+#include <map>
 #include <qboxlayout.h>
+#include <qcolor.h>
 #include <qfont.h>
 #include <qdebug.h>
 #include <qglobal.h>
 #include <qlayout.h>
 #include "objects/script.h"
 
+std::map<int, const QColor> DARK_MODE_COLOR_SCHEME = {{
+    {QsciLexerLua::Comment, QColor("#808080")},
+    {QsciLexerLua::LineComment, QColor("#808080")},
+    {QsciLexerLua::Number, QColor("#6897BB")},
+    {QsciLexerLua::Keyword, QColor("#CC7832")},
+    {QsciLexerLua::String, QColor("#6A8759")},
+    {QsciLexerLua::Character, QColor("#6A8759")},
+    {QsciLexerLua::LiteralString, QColor("#6A8759")},
+    {QsciLexerLua::Preprocessor, QColor("#FF00FF")}, // Obsolete since Lua 4.0, but whatever
+    {QsciLexerLua::Operator, QColor("#FFFFFF")},
+    {QsciLexerLua::Identifier, QColor("#FFFFFF")},
+    {QsciLexerLua::UnclosedString, QColor("#6A8759")},
+    {QsciLexerLua::BasicFunctions, QColor("#CC7832")},
+    {QsciLexerLua::StringTableMathsFunctions, QColor("#CC7832")},
+    {QsciLexerLua::CoroutinesIOSystemFacilities, QColor("#CC7832")},
+    {QsciLexerLua::Label, QColor("#FFFFFF")},
+
+}};
+
 ScriptDocument::ScriptDocument(std::shared_ptr<Script> script, QWidget* parent):
     script(script), QMdiSubWindow(parent) {
 
@@ -38,6 +61,20 @@ ScriptDocument::ScriptDocument(std::shared_ptr<Script> script, QWidget* parent):
 
     scintilla->setText(QString::fromStdString(script->source));
 
+    QsciLexerLua* lexer = new QsciLexerLua;
+    lexer->setFont(font);
+    scintilla->setLexer(lexer);
+
+    // Set color scheme
+    // https://stackoverflow.com/a/26318796/16255372
+    for (auto& [style, color] : DARK_MODE_COLOR_SCHEME) {
+        lexer->setColor(color, style);
+    }
+
+    // lexer->setAutoIndentStyle(QsciScintilla::AiOpening | QsciScintilla::AiMaintain | QsciScintilla::AiClosing);
+    // scintilla->setAutoIndent(true);
+    
+
     connect(scintilla, &QsciScintilla::textChanged, [this]() {
         // this-> is important here, as otherwise it will refer to the
         // parameter passed in, which will get gc'ed eventually