diff --git a/frontend/.eslintrc.cjs b/frontend/.eslintrc.cjs
index 7d0f73959..11284832d 100644
--- a/frontend/.eslintrc.cjs
+++ b/frontend/.eslintrc.cjs
@@ -19,7 +19,7 @@ module.exports = {
     "**/dist/**",
     "**/__generated__/**",
     "**/coverage/**",
-    "!.storybook",
+    "!.storybook/locales.ts",
     "*/gql/*.ts",
   ],
   overrides: [
diff --git a/frontend/.storybook/locales.ts b/frontend/.storybook/locales.ts
new file mode 100644
index 000000000..9d51f3e6e
--- /dev/null
+++ b/frontend/.storybook/locales.ts
@@ -0,0 +1,102 @@
+export type LocalazyLanguage = {
+    language: string;
+    region: string;
+    script: string;
+    isRtl: boolean;
+    localizedName: string;
+    name: string;
+    pluralType: (n: number) => "zero" | "one" | "two" | "many" | "few" | "other";
+};
+export type LocalazyFile = {
+    cdnHash: string;
+    file: string;
+    path: string;
+    library: string;
+    module: string;
+    buildType: string;
+    productFlavors: string[];
+    cdnFiles: { [lang:string]: string };
+};
+export type LocalazyMetadata = {
+    projectUrl: string;
+    baseLocale: string;
+    languages: LocalazyLanguage[];
+    files: LocalazyFile[];
+};
+     
+const localazyMetadata: LocalazyMetadata = {
+  projectUrl: "https://localazy.com/p/matrix-authentication-service",
+  baseLocale: "en",
+  languages: [
+    {
+      language: "de",
+      region: "",
+      script: "",
+      isRtl: false,
+      name: "German",
+      localizedName: "Deutsch",
+      pluralType: (n) => { return (n===1) ? "one" : "other"; }
+    },
+    {
+      language: "en",
+      region: "",
+      script: "",
+      isRtl: false,
+      name: "English",
+      localizedName: "English",
+      pluralType: (n) => { return (n===1) ? "one" : "other"; }
+    },
+    {
+      language: "fr",
+      region: "",
+      script: "",
+      isRtl: false,
+      name: "French",
+      localizedName: "Français",
+      pluralType: (n) => { return (n===0 || n===1) ? "one" : "other"; }
+    },
+    {
+      language: "zh",
+      region: "",
+      script: "Hans",
+      isRtl: false,
+      name: "Simplified Chinese",
+      localizedName: "简体中文",
+      pluralType: (n) => { return "other"; }
+    }
+  ],
+  files: [
+    {
+      cdnHash: "7c203a8ac8bd48c3c4609a8effcd0fbac430f9b2",
+      file: "frontend.json",
+      path: "",
+      library: "",
+      module: "",
+      buildType: "",
+      productFlavors: [],
+      cdnFiles: {
+        "de#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/7c203a8ac8bd48c3c4609a8effcd0fbac430f9b2/de/frontend.json",
+        "en#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/7c203a8ac8bd48c3c4609a8effcd0fbac430f9b2/en/frontend.json",
+        "fr#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/7c203a8ac8bd48c3c4609a8effcd0fbac430f9b2/fr/frontend.json",
+        "zh#Hans": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/7c203a8ac8bd48c3c4609a8effcd0fbac430f9b2/zh-Hans/frontend.json"
+      }
+    },
+    {
+      cdnHash: "5b69b0350dccfd47c245a5d41c1b9fdf6912cc6e",
+      file: "file.json",
+      path: "",
+      library: "",
+      module: "",
+      buildType: "",
+      productFlavors: [],
+      cdnFiles: {
+        "de#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/5b69b0350dccfd47c245a5d41c1b9fdf6912cc6e/de/file.json",
+        "en#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/5b69b0350dccfd47c245a5d41c1b9fdf6912cc6e/en/file.json",
+        "fr#": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/5b69b0350dccfd47c245a5d41c1b9fdf6912cc6e/fr/file.json",
+        "zh#Hans": "https://delivery.localazy.com/_a7686032324574572744739e0707/_e0/5b69b0350dccfd47c245a5d41c1b9fdf6912cc6e/zh-Hans/file.json"
+      }
+    }
+  ]
+};
+
+export default localazyMetadata;
\ No newline at end of file
diff --git a/frontend/.storybook/preview-head.html b/frontend/.storybook/preview-head.html
index 05da1e9df..66d2626e7 100644
--- a/frontend/.storybook/preview-head.html
+++ b/frontend/.storybook/preview-head.html
@@ -1,3 +1,9 @@
 <script>
   window.global = window;
-</script>
\ No newline at end of file
+</script>
+
+<style>
+  .docs-story {
+    background-color: var(--cpd-color-bg-canvas-default);
+  }
+</style>
diff --git a/frontend/.storybook/preview.tsx b/frontend/.storybook/preview.tsx
index f77e7cc8b..7e2106107 100644
--- a/frontend/.storybook/preview.tsx
+++ b/frontend/.storybook/preview.tsx
@@ -19,6 +19,8 @@ import { useLayoutEffect } from "react";
 import "../src/main.css";
 import i18n from "../src/i18n";
 
+import localazyMetadata from "./locales";
+
 export const parameters: Parameters = {
   actions: { argTypesRegex: "^on[A-Z].*" },
   controls: {
@@ -29,39 +31,38 @@ export const parameters: Parameters = {
   },
 };
 
-export const globalTypes: ArgTypes = {
+export const globalTypes = {
   theme: {
     name: "Theme",
+    defaultValue: "system",
     description: "Global theme for components",
-    defaultValue: "light",
     toolbar: {
       icon: "circlehollow",
       title: "Theme",
       items: [
-        {
-          title: "Light",
-          value: "light",
-          icon: "sun",
-        },
-        {
-          title: "Dark",
-          value: "dark",
-          icon: "moon",
-        },
+        { title: "System", value: "system", icon: "browser" },
+        { title: "Light", value: "light", icon: "sun" },
+        { title: "Light (high contrast)", value: "light-hc", icon: "sun" },
+        { title: "Dark", value: "dark", icon: "moon" },
+        { title: "Dark (high contrast)", value: "darkhc", icon: "moon" },
       ],
     },
   },
-};
+} satisfies ArgTypes;
 
-const ThemeSwitcher: React.FC<{ theme?: "light" | "dark" }> = ({ theme }) => {
+const allThemesClasses = globalTypes.theme.toolbar.items.map(
+  ({ value }) => `cpd-theme-${value}`,
+);
+
+const ThemeSwitcher: React.FC<{
+  theme: string;
+}> = ({ theme }) => {
   useLayoutEffect(() => {
-    if (theme === "dark") {
-      document.documentElement.classList.add("cpd-theme-dark");
-    } else {
-      document.documentElement.classList.remove("cpd-theme-dark");
+    document.documentElement.classList.remove(...allThemesClasses);
+    if (theme !== "system") {
+      document.documentElement.classList.add(`cpd-theme-${theme}`);
     }
-
-    return () => document.documentElement.classList.remove("cpd-theme-dark");
+    return () => document.documentElement.classList.remove(...allThemesClasses);
   }, [theme]);
 
   return null;
@@ -80,13 +81,17 @@ const withThemeProvider: Decorator = (Story, context) => {
 
 export const decorators: Decorator[] = [withThemeProvider];
 
+const locales = Object.fromEntries(
+  localazyMetadata.languages.map(({ language, name, localizedName }) => [
+    language,
+    `${localizedName} (${name})`,
+  ]),
+);
+
 const preview: Preview = {
   globals: {
-    locale: "en",
-    locales: {
-      en: "English",
-      fr: "Français",
-    },
+    locale: localazyMetadata.baseLocale,
+    locales,
   },
   parameters: {
     i18n,
diff --git a/localazy.json b/localazy.json
index a9d46b293..a32c6fe85 100644
--- a/localazy.json
+++ b/localazy.json
@@ -17,6 +17,7 @@
     }]
   },
   "download": {
+    "metadataFileTs": "frontend/.storybook/locales.ts",
     "files": [{
       "conditions": "equals: ${file}, file.json",
       "output": "translations/${lang}.json"