diff --git a/src/core/settings.rs b/src/core/settings.rs
new file mode 100644
index 0000000..0827946
--- /dev/null
+++ b/src/core/settings.rs
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+use cosmic::{
+    cosmic_config::{
+        self, CosmicConfigEntry,
+        cosmic_config_derive::CosmicConfigEntry,
+    },
+    theme,
+};
+use serde::{Deserialize, Serialize};
+use std::{collections::VecDeque, path::PathBuf};
+
+pub const SETTINGS_VERSION: u64 = 1;
+
+#[derive(
+    Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize,
+)]
+pub enum AppTheme {
+    Dark,
+    Light,
+    System,
+}
+
+impl AppTheme {
+    pub fn theme(&self) -> theme::Theme {
+        match self {
+            Self::Dark => theme::Theme::dark(),
+            Self::Light => theme::Theme::light(),
+            Self::System => theme::system_preference(),
+        }
+    }
+}
+
+#[derive(
+    Clone,
+    CosmicConfigEntry,
+    Debug,
+    Deserialize,
+    Eq,
+    PartialEq,
+    Serialize,
+)]
+#[serde(default)]
+pub struct Settings {
+    pub app_theme: AppTheme,
+    pub obs_url: Option<url::Url>,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            app_theme: AppTheme::System,
+            obs_url: None,
+        }
+    }
+}
+
+#[derive(
+    Clone,
+    CosmicConfigEntry,
+    Debug,
+    Deserialize,
+    Eq,
+    PartialEq,
+    Serialize,
+)]
+pub struct PersistentState {
+    pub recent_files: VecDeque<PathBuf>,
+}
+
+impl Default for PersistentState {
+    fn default() -> Self {
+        Self {
+            recent_files: VecDeque::new(),
+        }
+    }
+}