diff --git a/Sources/phbar/Models/Theme/Extensions/PHTheme+Loading.swift b/Sources/phbar/Models/Theme/Extensions/PHTheme+Loading.swift
new file mode 100644
index 0000000..8e517e7
--- /dev/null
+++ b/Sources/phbar/Models/Theme/Extensions/PHTheme+Loading.swift
@@ -0,0 +1,59 @@
+import Foundation
+import TOML
+
+extension PHTheme {
+	/// Load theme from the config directory (~/.config/phbar/themes/).
+	/// If the file doesn't exist or fails to parse, defaults are used (non-fatal).
+	static func load(_ theme: String?) throws -> PHTheme {
+		guard let theme else { return try loadFromBundle() }
+
+		let url = FileManager.default.homeDirectoryForCurrentUser.appending(
+			path: ".config/phbar/themes/\(theme).toml"
+		)
+
+		if FileManager.default.fileExists(atPath: url.relativePath) {
+			return try load(from: url)
+		} else {
+			return try loadFromBundle()
+		}
+	}
+
+	/// Load the bundled theme.
+	/// If the file doesn't exist or fails to parse, the execution is interrupted.
+	static private func loadFromBundle() throws -> PHTheme {
+		guard
+			let defaultConfig = Bundle.module.url(
+				forResource: "theme",
+				withExtension: "toml"
+			)?.resolvingSymlinksInPath()
+		else {
+			throw phbar.Error("Failed to load theme file")
+		}
+		return try load(from: defaultConfig)
+	}
+
+	/// Load theme from a file at URL.
+	/// If the file doesn't exist or fails to parse, the execution is interrupted.
+	static private func load(from url: URL) throws -> PHTheme {
+		do {
+			let data = try Data(contentsOf: url)
+			guard let contents = String(data: data, encoding: .utf8), !contents.isEmpty else {
+				throw phbar.Error("the file is empty")
+			}
+			return try load(from: contents)
+		} catch {
+			throw phbar.Error("Failed to load theme file", underlyingError: error)
+		}
+	}
+
+	/// Load theme from a TOML string.
+	/// If the content fails to parse, the execution is interrupted.
+	static private func load(from contents: String) throws -> PHTheme {
+		do {
+			let decoder = TOMLDecoder()
+			return try decoder.decode(PHTheme.self, from: contents)
+		} catch {
+			throw phbar.Error("Failed to parse theme file", underlyingError: error)
+		}
+	}
+}
diff --git a/Sources/phbar/Models/Theme/PHTheme.swift b/Sources/phbar/Models/Theme/PHTheme.swift
index dfba179..f7f939f 100644
--- a/Sources/phbar/Models/Theme/PHTheme.swift
+++ b/Sources/phbar/Models/Theme/PHTheme.swift
@@ -1,71 +1,9 @@
-import Foundation
-import TOML
-
 struct PHTheme: Decodable {
 	let window: PHThemeWindow
 	let styles: [PHThemeStyle]
 
-	enum CodingKeys: String, CodingKey {
+	private enum CodingKeys: String, CodingKey {
 		case window
 		case styles = "style"
 	}
 }
-
-// Loading
-
-extension PHTheme {
-	/// Load theme from the config directory (~/.config/phbar/themes/).
-	/// If the file doesn't exist or fails to parse, defaults are used (non-fatal).
-	static func load(_ theme: String?) throws -> PHTheme {
-		guard let theme else { return try loadFromBundle() }
-
-		let url = FileManager.default.homeDirectoryForCurrentUser.appending(
-			path: ".config/phbar/themes/\(theme).toml"
-		)
-
-		if FileManager.default.fileExists(atPath: url.relativePath) {
-			return try load(from: url)
-		} else {
-			return try loadFromBundle()
-		}
-	}
-
-	/// Load the bundled theme.
-	/// If the file doesn't exist or fails to parse, the execution is interrupted.
-	static private func loadFromBundle() throws -> PHTheme {
-		guard
-			let defaultConfig = Bundle.module.url(
-				forResource: "theme",
-				withExtension: "toml"
-			)?.resolvingSymlinksInPath()
-		else {
-			throw phbar.Error("Failed to load theme file")
-		}
-		return try load(from: defaultConfig)
-	}
-
-	/// Load theme from a file at URL.
-	/// If the file doesn't exist or fails to parse, the execution is interrupted.
-	static private func load(from url: URL) throws -> PHTheme {
-		do {
-			let data = try Data(contentsOf: url)
-			guard let contents = String(data: data, encoding: .utf8), !contents.isEmpty else {
-				throw phbar.Error("the file is empty")
-			}
-			return try load(from: contents)
-		} catch {
-			throw phbar.Error("Failed to load theme file", underlyingError: error)
-		}
-	}
-
-	/// Load theme from a TOML string.
-	/// If the content fails to parse, the execution is interrupted.
-	static private func load(from contents: String) throws -> PHTheme {
-		do {
-			let decoder = TOMLDecoder()
-			return try decoder.decode(PHTheme.self, from: contents)
-		} catch {
-			throw phbar.Error("Failed to parse theme file", underlyingError: error)
-		}
-	}
-}
diff --git a/Sources/phbar/Models/Theme/PHThemeWindow.swift b/Sources/phbar/Models/Theme/PHThemeWindow.swift
index 83080f9..80362e5 100644
--- a/Sources/phbar/Models/Theme/PHThemeWindow.swift
+++ b/Sources/phbar/Models/Theme/PHThemeWindow.swift
@@ -2,7 +2,7 @@ struct PHThemeWindow: Decodable {
 	let hasShadow: Bool
 	let blur: Double
 
-	enum CodingKeys: String, CodingKey {
+	private enum CodingKeys: String, CodingKey {
 		case hasShadow = "shadow"
 		case blur
 	}