5 files changed, 24 insertions, 2 deletions
diff --git a/schist_gtk4_gui/resources/css/styles.css b/schist_gtk4_gui/resources/css/styles.css
new file mode 100644
index 0000000..b42e2df
--- /dev/null
+++ b/schist_gtk4_gui/resources/css/styles.css
@@ -0,0 +1 @@
+@import 'window.css';
diff --git a/schist_gtk4_gui/resources/css/window.css b/schist_gtk4_gui/resources/css/window.css
new file mode 100644
index 0000000..c07e199
--- /dev/null
+++ b/schist_gtk4_gui/resources/css/window.css
@@ -0,0 +1,4 @@
+.window {
+    background-color: #011120;
+    color: #e1f9ff;
+}
diff --git a/schist_gtk4_gui/resources/resources.gresource.xml b/schist_gtk4_gui/resources/resources.gresource.xml
index a74cfc9..30fdd9f 100644
--- a/schist_gtk4_gui/resources/resources.gresource.xml
+++ b/schist_gtk4_gui/resources/resources.gresource.xml
@@ -2,5 +2,7 @@
 <gresources>
   <gresource prefix="/net/joeac/schist/">
     <file compressed="true" preprocess="xml-stripblanks">window.ui</file>
+    <file compressed="true">css/styles.css</file>
+    <file compressed="true">css/window.css</file>
   </gresource>
 </gresources>
diff --git a/schist_gtk4_gui/src/lib.rs b/schist_gtk4_gui/src/lib.rs
index 4c3055c..99c090e 100644
--- a/schist_gtk4_gui/src/lib.rs
+++ b/schist_gtk4_gui/src/lib.rs
@@ -1,6 +1,6 @@
 mod window;
 
-use gtk::{gio, glib, prelude::*, Application};
+use gtk::{gdk::Display, gio, glib, prelude::*, Application, CssProvider};
 
 const APP_ID: &str = "net.joeac.schist";
 
@@ -9,6 +9,7 @@ pub fn run() -> glib::ExitCode {
         .expect("failed to register resources");
 
     let app = Application::builder().application_id(APP_ID).build();
+    app.connect_startup(|_| load_css());
     app.connect_activate(build_window);
     app.run()
 }
@@ -17,3 +18,14 @@ fn build_window(app: &Application) {
     let window = window::Window::new(app);
     window.present()
 }
+
+fn load_css() {
+    let css_provider = CssProvider::new();
+    css_provider.load_from_resource("/net/joeac/schist/css/styles.css");
+
+    gtk::style_context_add_provider_for_display(
+        &Display::default().expect("failed to connect to a display"),
+        &css_provider,
+        gtk::STYLE_PROVIDER_PRIORITY_APPLICATION,
+    );
+}
diff --git a/schist_gtk4_gui/src/window/mod.rs b/schist_gtk4_gui/src/window/mod.rs
index 9482184..dcbba04 100644
--- a/schist_gtk4_gui/src/window/mod.rs
+++ b/schist_gtk4_gui/src/window/mod.rs
@@ -1,6 +1,9 @@
 mod imp;
 
-use gtk::{gio, glib::{self, object::IsA}};
+use gtk::{
+    gio,
+    glib::{self, object::IsA},
+};
 
 gtk::glib::wrapper! {
     pub struct Window(ObjectSubclass<imp::Window>)