1 files changed, 38 insertions, 0 deletions

diff --git a/Map/Data/UserPreferences.swift b/Map/Data/UserPreferences.swift
index 01c4f37..761c5a8 100644
--- a/Map/Data/UserPreferences.swift
+++ b/Map/Data/UserPreferences.swift
@@ -16,6 +16,23 @@
 import Foundation
 
 // MARK: - Enums
+enum AppearanceStyle: String, CaseIterable, Codable {
+  case system = "system"
+  case light = "light"
+  case dark = "dark"
+
+  var localizedName: String {
+    switch self {
+    case .system:
+      return String(localized: "preferences.appearance.style.system")
+    case .light:
+      return String(localized: "preferences.appearance.style.light")
+    case .dark:
+      return String(localized: "preferences.appearance.style.dark")
+    }
+  }
+}
+
 enum QuickLookPreviewStyle: String, CaseIterable, Codable {
   case map = "map"
   case highlightedText = "highlighted_text"
@@ -35,6 +52,9 @@ enum QuickLookPreviewStyle: String, CaseIterable, Codable {
 
 // MARK: - JSON Export/Import Structures
 struct UserPreferencesJSON: Codable {
+  // MARK: - Appearance Preferences
+  var appearanceStyle: String?
+
   // MARK: - Map Preferences
   var showMapBackground: Bool?
   var useCustomFont: Bool?
@@ -66,6 +86,9 @@ struct UserPreferencesJSON: Codable {
 
 struct UserPreferences: Codable {
 
+  // MARK: - Appearance Preferences
+  var appearanceStyle: String
+
   // MARK: - Map Preferences
   var showMapBackground: Bool
   var useCustomFont: Bool
@@ -96,6 +119,8 @@ struct UserPreferences: Codable {
 
   // MARK: - Default Values
   struct Defaults {
+    static let appearanceStyle = AppearanceStyle.system.rawValue
+
     static let showMapBackground = true
     static let useCustomFont = false
     static let customFontName = "Helvetica"
@@ -141,6 +166,8 @@ struct UserPreferences: Codable {
 
   // MARK: - Initialization
   init() {
+    self.appearanceStyle = Defaults.appearanceStyle
+
     self.showMapBackground = Defaults.showMapBackground
     self.useCustomFont = Defaults.useCustomFont
     self.customFontName = Defaults.customFontName
@@ -171,6 +198,7 @@ struct UserPreferences: Codable {
     do {
       // Convert to JSON-friendly format
       let jsonPrefs = UserPreferencesJSON(
+        appearanceStyle: appearanceStyle,
         showMapBackground: showMapBackground,
         useCustomFont: useCustomFont,
         customFontName: customFontName,
@@ -204,6 +232,9 @@ struct UserPreferences: Codable {
 
       // Convert from JSON format back to UserPreferences
       // Only update values that are present in the JSON (partial updates)
+      if let value = jsonPrefs.appearanceStyle {
+        self.appearanceStyle = value
+      }
       if let value = jsonPrefs.showMapBackground {
         self.showMapBackground = value
       }
@@ -301,6 +332,9 @@ struct UserPreferences: Codable {
     let defaults = UserDefaults.standard
     let sharedDefaults = UserDefaults(suiteName: "group.systems.tranquil.Map")
 
+    // Appearance Preferences
+    defaults.set(appearanceStyle, forKey: "appearanceStyle")
+
     // Map Preferences
     defaults.set(showMapBackground, forKey: "showMapBackground")
     defaults.set(useCustomFont, forKey: "useCustomFont")
@@ -337,6 +371,10 @@ struct UserPreferences: Codable {
 
     var preferences = UserPreferences()
 
+    // Appearance Preferences
+    preferences.appearanceStyle =
+      defaults.object(forKey: "appearanceStyle") as? String ?? Defaults.appearanceStyle
+
     // Map Preferences
     preferences.showMapBackground =
       defaults.object(forKey: "showMapBackground") as? Bool ?? Defaults.showMapBackground