diff --git a/Cargo.lock b/Cargo.lock
index 88cb51c..0da1cd0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aho-corasick"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.71"
@@ -86,6 +95,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+
 [[package]]
 name = "cfg-expr"
 version = "0.15.2"
@@ -441,6 +456,26 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "gettext-rs"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e49ea8a8fad198aaa1f9655a2524b64b70eb06b2f3ff37da407566c93054f364"
+dependencies = [
+ "gettext-sys",
+ "locale_config",
+]
+
+[[package]]
+name = "gettext-sys"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c63ce2e00f56a206778276704bbe38564c8695249fdc8f354b4ef71c57c3839d"
+dependencies = [
+ "cc",
+ "temp-dir",
+]
+
 [[package]]
 name = "gio"
 version = "0.17.10"
@@ -753,6 +788,19 @@ version = "0.2.145"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc86cde3ff845662b8f4ef6cb50ea0e20c524eb3d29ae048287e06a1b3fa6a81"
 
+[[package]]
+name = "locale_config"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d2c35b16f4483f6c26f0e4e9550717a2f6575bcd6f12a53ff0c490a94a6934"
+dependencies = [
+ "lazy_static",
+ "objc",
+ "objc-foundation",
+ "regex",
+ "winapi",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -1064,6 +1112,23 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "regex"
+version = "1.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0ab3ca65655bb1e41f2a8c8cd662eb4fb035e67c3f78da1d61dffe89d07300f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+
 [[package]]
 name = "relm4"
 version = "0.6.0"
@@ -1118,7 +1183,9 @@ dependencies = [
 name = "rex2"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "expect-dialog",
+ "gettext-rs",
  "gtk4",
  "nix",
  "relm4",
@@ -1282,6 +1349,12 @@ version = "0.12.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd1ba337640d60c3e96bc6f0638a939b9c9a7f2c316a1598c279828b3d1dc8c5"
 
+[[package]]
+name = "temp-dir"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af547b166dd1ea4b472165569fc456cfb6818116f854690b0ff205e636523dab"
+
 [[package]]
 name = "thiserror"
 version = "1.0.40"
diff --git a/Cargo.toml b/Cargo.toml
index aef7f8b..d1470b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0.71"
 expect-dialog = "1.0.0"
+gettext-rs = { version = "0.7.0", features = [
+    "gettext-system"
+] }
 gtk4 = { version = "0.6.6", features = [
     "v4_6",
     "v4_10"
diff --git a/src/constants.rs.in b/src/constants.rs.in
index b21d03a..be87b74 100644
--- a/src/constants.rs.in
+++ b/src/constants.rs.in
@@ -1,6 +1,7 @@
 pub const APP_NAME: &str = "@PRETTY_NAME@";
 pub const APP_ID: &str = "@APP_ID@";
 pub const PKG_DATA_DIR: &str = "@PKGDATADIR@";
+pub const RESOURCES: &str = concat!("@PKGDATADIR@", "/resources.gresource");
 pub const CMD_NAME: &str = "@CMD_NAME@";
 pub const VERSION: &str = "@VERSION@";
 pub const REPO_URL: &str = "@UPSTREAM_REPO_URL@";
diff --git a/src/main.rs b/src/main.rs
index 02e5485..ae0c0e6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,11 @@
-use constants::APP_ID;
-use relm4::RelmApp;
+use anyhow::Result;
+use constants::{APP_ID, APP_NAME, GETTEXT_PACKAGE, LOCALE_DIR, RESOURCES};
+use gettextrs::LocaleCategory;
+use relm4::{
+    adw,
+    gtk::{self, gio, glib, gdk},
+    RelmApp,
+};
 use ui::app::App;
 
 pub mod builders;
@@ -9,15 +15,45 @@ pub mod depcheck;
 pub mod dependencies;
 pub mod file_builders;
 pub mod file_utils;
+pub mod paths;
 pub mod profile;
 pub mod profiles;
 pub mod runner;
-pub mod ui;
 pub mod runner_pipeline;
-pub mod paths;
+pub mod ui;
+
+fn main() -> Result<()> {
+    // Prepare i18n
+    gettextrs::setlocale(LocaleCategory::LcAll, "");
+    gettextrs::bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR).expect("Unable to bind the text domain");
+    gettextrs::textdomain(GETTEXT_PACKAGE).expect("Unable to switch to the text domain");
+
+    gtk::init()?;
+    glib::set_application_name(APP_NAME);
+
+    {
+        let res = gio::Resource::load(RESOURCES).expect("Could not load gresource file");
+        gio::resources_register(&res);
+    }
+
+    let provider = gtk::CssProvider::new();
+    provider.load_from_resource("/org/gabmus/rex2/style.css");
+    if let Some(display) = gdk::Display::default() {
+        gtk::style_context_add_provider_for_display(
+            &display,
+            &provider,
+            gtk::STYLE_PROVIDER_PRIORITY_APPLICATION,
+        );
+    }
+    gtk::Window::set_default_icon_name(APP_ID);
 
-fn main() {
-    let app = RelmApp::new(APP_ID);
     relm4_icons::initialize_icons();
-    app.run::<App>(())
+    let main_app = adw::Application::builder()
+        .application_id(APP_ID)
+        .flags(gio::ApplicationFlags::empty())
+        .resource_base_path("/org/gabmus/rex2")
+        .build();
+    let app = RelmApp::from_app(main_app);
+    app.run::<App>(());
+    Ok(())
 }