diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..b1e961c
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,31 @@
+---
+Language: Cpp
+BasedOnStyle: LLVM
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Attach
+ColumnLimit: 160
+SpaceAfterTemplateKeyword: true
+Standard: c++20
+TabWidth: 4
+IndentWidth: 4
+UseTab: Always
+AllowShortEnumsOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortBlocksOnASingleLine: Always
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLoopsOnASingleLine: true
+IndentRequires: true
+IncludeCategories:
+    # Headers in <> with .h extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.h>'
+      Priority: 10
+    # Headers in <> with .hpp extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.hpp>'
+      Priority: 20
+    # Headers in <> without extension.
+    - Regex: '<([A-Za-z0-9\/-_])+>'
+      Priority: 30
+PointerAlignment: Left
+QualifierAlignment: Right
diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..899c4b7
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,21 @@
+---
+Checks: 'clang-analyzer-*,
+	concurrency-*,
+	cppcoreguidelines-*,
+	-cppcoreguidelines-non-private-member-variables-in-classes,
+	-cppcoreguidelines-avoid-magic-numbers,
+	-cppcoreguidelines-avoid-const-or-ref-data-members,
+	misc-*,
+	-misc-non-private-member-variables-in-classes,
+	-misc-no-recursion,
+	modernize-*,
+	-modernize-use-trailing-return-type,
+	performance-*,
+	portability-*,
+	readability-*,
+	-readability-identifier-length,
+  -readability-implicit-bool-conversion,
+	-readability-magic-numbers,
+	-readability-redundant-member-init,
+	-readability-uppercase-literal-suffix'
+...
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..c8d67b8
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,19 @@
+[*]
+insert_final_newline = true
+charset = utf-8
+indent_size = 4
+indent_style = tab
+# Optional: git will commit as lf, this will only affect local files
+end_of_line = lf
+
+[*.{py,md,yml,sh,cmake,json}]
+indent_style = space
+indent_size = 2
+
+[*.{py,md,yml,sh,cmake,json}.in]
+indent_style = space
+indent_size = 2
+
+[CMakeLists.txt]
+indent_style = space
+indent_size = 2
diff --git a/.github/format_check_diff.sh b/.github/format_check_diff.sh
new file mode 100755
index 0000000..151a74a
--- /dev/null
+++ b/.github/format_check_diff.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+[[ ! $(git --version) ]] && exit 1
+
+output=$(git diff)
+
+if [[ "$output" != "" ]]; then
+  echo -e "One or more source files are not formatted!\n\n$output\n"
+  echo -e "Using $(clang-format --version)\n"
+  exit 1
+fi
+
+echo "All source files are formatted"
+exit
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ad9ddc2
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,105 @@
+name: ci-pr
+on: [pull_request, workflow_dispatch]
+jobs:
+  format-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: format code
+        run: scripts/format_code.sh
+      - name: check diff
+        run: .github/format_check_diff.sh
+  x64-linux-gcc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-linux-clang:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build clang-19 mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=clang-19 -DCMAKE_CXX_COMPILER=clang++-19
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-gcc:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-clang:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build clang-19 mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=clang-19 -DCMAKE_CXX_COMPILER=clang++-19
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-vs22:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: configure
+        run: cmake -S . --preset=vs22 -B build -DKVF_USE_FREETYPE=OFF
+      - name: build debug
+        run: cmake --build build --config=Debug --parallel
+      - name: build release
+        run: cmake --build build --config=Release --parallel
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-clang:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: choco install ninja
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e41828b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+**/.vs/*
+**/.vscode/*
+build/*
+out/*
+.cache
+.DS_Store
+
+CMakeSettings.json
+compile_commands.json
+/CMakeUserPresets.json
+
+imgui.ini
+*debug.log
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..84f33cb
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.24)
+
+project(miracle VERSION 0.1.0)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_DEBUG_POSTFIX "-d")
+
+add_subdirectory(ext)
+
+add_executable(${PROJECT_NAME})
+
+target_link_libraries(${PROJECT_NAME} PRIVATE
+  le2d
+)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+  src
+)
+
+file(GLOB_RECURSE sources LIST_DIRECTORIES false "src/*.[hc]pp")
+target_sources(${PROJECT_NAME} PRIVATE
+  ${sources}
+)
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 0000000..d8e0236
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,250 @@
+{
+  "version": 5,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 24,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "default",
+      "displayName": "Default Config",
+      "description": "Base configuration using Ninja Multi-config",
+      "generator": "Ninja Multi-Config",
+      "binaryDir": "${sourceDir}/out/default",
+      "cacheVariables": {
+        "CMAKE_EXPORT_COMPILE_COMMANDS": "ON"
+      }
+    },
+    {
+      "name": "base-gcc",
+      "hidden": true,
+      "inherits": "default",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "gcc",
+        "CMAKE_CXX_COMPILER": "g++"
+      }
+    },
+    {
+      "name": "base-clang",
+      "hidden": true,
+      "inherits": "default",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "clang",
+        "CMAKE_CXX_COMPILER": "clang++"
+      }
+    },
+    {
+      "name": "base-msvc",
+      "hidden": true,
+      "inherits": "default",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "cl",
+        "CMAKE_CXX_COMPILER": "cl"
+      }
+    },
+    {
+      "name": "ninja-gcc",
+      "displayName": "Ninja GCC",
+      "description": "Build configuration using Ninja Multi-config / GCC",
+      "inherits": "base-gcc",
+      "binaryDir": "${sourceDir}/out/gcc",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-Wall -Wextra -Wpedantic -Wconversion -Werror=return-type",
+        "CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT": "-Werror",
+        "CMAKE_CXX_FLAGS_RELEASE_INIT": "-Werror"
+      }
+    },
+    {
+      "name": "ninja-clang",
+      "displayName": "Ninja Clang",
+      "description": "Build configuration using Ninja Multi-config / Clang",
+      "inherits": "base-clang",
+      "binaryDir": "${sourceDir}/out/clang",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-Wall -Wextra -Wpedantic -Wconversion -Werror=return-type",
+        "CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT": "-Werror",
+        "CMAKE_CXX_FLAGS_RELEASE_INIT": "-Werror"
+      }
+    },
+    {
+      "name": "ninja-msvc",
+      "displayName": "Ninja MSVC",
+      "description": "Build configuration using Ninja Multi-config / MSVC",
+      "inherits": "base-msvc",
+      "binaryDir": "${sourceDir}/out/msvc",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT": "/WX",
+        "CMAKE_CXX_FLAGS_RELEASE_INIT": "/WX"
+      }
+    },
+    {
+      "name": "ninja-ubsan",
+      "displayName": "Ninja UBSan",
+      "description": "UBSan build configuration using Ninja Multi-config",
+      "inherits": "default",
+      "binaryDir": "${sourceDir}/out/ubsan",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-fsanitize=undefined -Wall -Wextra -Wpedantic -Wconversion -Werror=return-type"
+      }
+    },
+    {
+      "name": "ninja-asan",
+      "displayName": "Ninja ASan",
+      "description": "ASan build configuration using Ninja Multi-config",
+      "inherits": "default",
+      "binaryDir": "${sourceDir}/out/asan",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-fsanitize=address -Wall -Wextra -Wpedantic -Wconversion -Werror=return-type"
+      }
+    },
+    {
+      "name": "ninja-msvc-asan",
+      "displayName": "Ninja MSVC ASan",
+      "description": "ASan build configuration using Ninja Multi-config",
+      "inherits": "base-msvc",
+      "binaryDir": "${sourceDir}/out/asan",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-fsanitize=address"
+      }
+    },
+    {
+      "name": "ninja-tsan",
+      "displayName": "Ninja TSan",
+      "description": "TSan build configuration using Ninja Multi-config",
+      "inherits": "default",
+      "binaryDir": "${sourceDir}/out/tsan",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "-fsanitize=thread -Wall -Wextra -Wpedantic -Wconversion -Werror=return-type"
+      }
+    },
+    {
+      "name": "vs22",
+      "displayName": "Visual Studio 2022",
+      "description": "Build configuration using Visual Studio 17 (2022)",
+      "generator": "Visual Studio 17 2022",
+      "binaryDir": "${sourceDir}/out/vs",
+      "cacheVariables": {
+        "CMAKE_CXX_FLAGS_INIT": "/WX"
+      },
+      "architecture": {
+        "value": "x64",
+        "strategy": "external"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "Debug",
+      "configurePreset": "default",
+      "configuration": "Debug"
+    },
+    {
+      "name": "Release",
+      "configurePreset": "default",
+      "configuration": "Release"
+    },
+    {
+      "name": "RelWithDebInfo",
+      "configurePreset": "default",
+      "configuration": "RelWithDebInfo"
+    },
+    {
+      "name": "GCC Debug",
+      "configurePreset": "ninja-gcc",
+      "configuration": "Debug"
+    },
+    {
+      "name": "GCC RelWithDebInfo",
+      "configurePreset": "ninja-gcc",
+      "configuration": "RelWithDebInfo"
+    },
+    {
+      "name": "Clang Debug",
+      "configurePreset": "ninja-clang",
+      "configuration": "Debug"
+    },
+    {
+      "name": "Clang RelWithDebInfo",
+      "configurePreset": "ninja-clang",
+      "configuration": "RelWithDebInfo"
+    },
+    {
+      "name": "MSVC Debug",
+      "configurePreset": "ninja-msvc",
+      "configuration": "Debug"
+    },
+    {
+      "name": "MSVC Release",
+      "configurePreset": "ninja-msvc",
+      "configuration": "Release"
+    },
+    {
+      "name": "UBSan Debug",
+      "configurePreset": "ninja-ubsan",
+      "configuration": "Debug"
+    }
+  ],
+  "testPresets": [
+    {
+      "name": "Debug",
+      "configurePreset": "default",
+      "configuration": "Debug",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "Release",
+      "configurePreset": "default",
+      "configuration": "Release",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "RelWithDebInfo",
+      "configurePreset": "default",
+      "configuration": "RelWithDebInfo",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "GCC Debug",
+      "configurePreset": "ninja-gcc",
+      "configuration": "Debug",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "GCC RelWithDebInfo",
+      "configurePreset": "ninja-gcc",
+      "configuration": "RelWithDebInfo",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "Clang Debug",
+      "configurePreset": "ninja-clang",
+      "configuration": "Debug",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "Clang RelWithDebInfo",
+      "configurePreset": "ninja-clang",
+      "configuration": "RelWithDebInfo",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "MSVC Debug",
+      "configurePreset": "ninja-msvc",
+      "configuration": "Debug",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "MSVC Release",
+      "configurePreset": "ninja-msvc",
+      "configuration": "Release",
+      "inheritConfigureEnvironment": true
+    },
+    {
+      "name": "UBSan Debug",
+      "configurePreset": "ninja-ubsan",
+      "configuration": "Debug",
+      "inheritConfigureEnvironment": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/ext/.gitignore b/ext/.gitignore
new file mode 100644
index 0000000..8eba6c8
--- /dev/null
+++ b/ext/.gitignore
@@ -0,0 +1 @@
+src/
diff --git a/ext/CMakeLists.txt b/ext/CMakeLists.txt
new file mode 100644
index 0000000..c9492ab
--- /dev/null
+++ b/ext/CMakeLists.txt
@@ -0,0 +1,4 @@
+file(ARCHIVE_EXTRACT INPUT "${CMAKE_CURRENT_SOURCE_DIR}/src.zip" DESTINATION "${CMAKE_CURRENT_SOURCE_DIR}")
+
+message(STATUS "[le2d]")
+add_subdirectory(src/le2d)
diff --git a/ext/src.zip b/ext/src.zip
new file mode 100644
index 0000000..a88489d
Binary files /dev/null and b/ext/src.zip differ
diff --git a/scripts/format_code.sh b/scripts/format_code.sh
new file mode 100755
index 0000000..d1deef2
--- /dev/null
+++ b/scripts/format_code.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+[[ ! $(clang-format --version) ]] && exit 1
+
+if [[ ! -d ./src ]]; then
+  echo "Please run script from the project root"
+  exit 1
+fi
+
+files=$(find src -name "*.?pp")
+
+if [[ "$files" == "" ]]; then
+  echo "-- No source files found"
+  exit
+fi
+
+clang-format -i $files || exit 1
+echo -e "-- Formatted Files:\n$files\n"
+
+exit
diff --git a/src/app.cpp b/src/app.cpp
new file mode 100644
index 0000000..2c7b1c0
--- /dev/null
+++ b/src/app.cpp
@@ -0,0 +1,22 @@
+#include <imgui.h>
+#include <app.hpp>
+
+namespace miracle {
+namespace {
+constexpr auto context_ci = le::Context::CreateInfo{
+	.window = le::WindowInfo{.size = {1280, 720}, .title = "miracle"},
+};
+} // namespace
+
+App::App() : m_context(context_ci) {}
+
+void App::run() {
+	while (m_context.is_running()) {
+		m_context.next_frame();
+
+		ImGui::ShowDemoWindow();
+
+		m_context.present();
+	}
+}
+} // namespace miracle
diff --git a/src/app.hpp b/src/app.hpp
new file mode 100644
index 0000000..ca472af
--- /dev/null
+++ b/src/app.hpp
@@ -0,0 +1,14 @@
+#pragma once
+#include <le2d/context.hpp>
+
+namespace miracle {
+class App {
+  public:
+	explicit App();
+
+	void run();
+
+  private:
+	le::Context m_context;
+};
+} // namespace miracle
diff --git a/src/log.hpp b/src/log.hpp
new file mode 100644
index 0000000..9c8a954
--- /dev/null
+++ b/src/log.hpp
@@ -0,0 +1,6 @@
+#pragma once
+#include <klib/log.hpp>
+
+namespace miracle {
+inline auto const log = klib::TaggedLogger{"miracle"};
+} // namespace miracle
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..5214501
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,15 @@
+#include <app.hpp>
+#include <log.hpp>
+
+auto main() -> int {
+	try {
+		auto app = miracle::App{};
+		app.run();
+	} catch (std::exception const& e) {
+		miracle::log.error("PANIC: {}", e.what());
+		return EXIT_FAILURE;
+	} catch (...) {
+		miracle::log.error("PANIC: unknown exception");
+		return EXIT_FAILURE;
+	}
+}