feat(theme): add dark mode support with Light/Dark/Auto modes

src/renderer/src/App.tsx

@@ -25,7 +25,7 @@ import {
   Settings as SettingsIcon,
 } from "lucide-react";
 
-import { createStyles } from "antd-style";
+import { createStyles, useTheme } from "antd-style";
 import zhCN from "antd/locale/zh_CN";
 import { useDomainStore } from "@renderer/stores";
 import { useUIStore } from "@renderer/stores";
@@ -151,6 +151,7 @@ const useStyles = createStyles(({ token, css }) => ({
 const App: React.FC = () => {
   const { t } = useTranslation("common");
   const { styles } = useStyles();
+  const token = useTheme();
 
   const { currentDomain } = useDomainStore();
   const {
@@ -219,7 +220,7 @@ const App: React.FC = () => {
                   <div
                     style={{ display: "flex", alignItems: "center", gap: 8 }}
                   >
-                    <Cloud size={24} style={{ color: "#1890ff" }} />
+                    <Cloud size={24} style={{ color: token.colorPrimary }} />
                     <span className={styles.logoText}>Kintone Manager</span>
                   </div>
                   <Tooltip title={t("collapseSidebar")} mouseEnterDelay={0.5}>
@@ -255,7 +256,7 @@ const App: React.FC = () => {
                 <div
                   className={styles.resizeHandle}
                   onMouseDown={handleResizeStart}
-                  style={{ background: isResizing ? "#1890ff" : undefined }}
+                  style={{ background: isResizing ? token.colorPrimary : undefined }}
                 />
               </>
             )}

src/renderer/src/components/AppDetail/AppDetail.tsx

@@ -16,7 +16,7 @@ import {
   Smartphone,
   ArrowLeft,
 } from "lucide-react";
-import { createStyles } from "antd-style";
+import { createStyles, useTheme } from "antd-style";
 import { useAppStore, useDomainStore, useSessionStore } from "@renderer/stores";
 import { CodeViewer } from "../CodeViewer";
 import { FileConfigResponse, isFileResource } from "@shared/types/kintone";
@@ -150,6 +150,7 @@ const useStyles = createStyles(({ token, css }) => ({
 const AppDetail: React.FC = () => {
   const { t } = useTranslation("app");
   const { styles } = useStyles();
+  const token = useTheme();
   const { currentDomain } = useDomainStore();
   const { currentApp, selectedAppId, loading, setCurrentApp, setLoading } =
     useAppStore();
@@ -455,7 +456,7 @@ const AppDetail: React.FC = () => {
     <div className={styles.container}>
       <div className={styles.header}>
         <div className={styles.title}>
-          <LayoutGrid size={24} style={{ color: "#1890ff" }} />
+          <LayoutGrid size={24} style={{ color: token.colorPrimary }} />
           <h3 className={styles.appName}>{currentApp.name}</h3>
           <Tag>ID: {currentApp.appId}</Tag>
         </div>

src/renderer/src/components/AppList/AppListItem.tsx

@@ -7,7 +7,7 @@ import React from "react";
 import { motion } from "motion/react";
 import { Tooltip, Tag } from "@lobehub/ui";
 import { Pin, LayoutGrid } from "lucide-react";
-import { createStyles } from "antd-style";
+import { createStyles, useTheme } from "antd-style";
 import type { AppDetail } from "@shared/types/kintone";
 
 const useStyles = createStyles(({ token, css }) => ({
@@ -107,6 +107,7 @@ const AppListItem: React.FC<AppListItemProps> = ({
   t,
 }) => {
   const { styles } = useStyles();
+  const token = useTheme();
   const [isHovered, setIsHovered] = React.useState(false);
 
   // Pin overlay is visible when:
@@ -144,7 +145,7 @@ const AppListItem: React.FC<AppListItemProps> = ({
           </div>
           {/* App icon - hidden when pin overlay is visible */}
           {!showPinOverlay && (
-            <LayoutGrid size={16} style={{ color: "#1890ff" }} />
+            <LayoutGrid size={16} style={{ color: token.colorPrimary }} />
           )}
         </div>
         <Tooltip title={app.name}>

src/renderer/src/components/CodeViewer/CodeViewer.tsx

@@ -8,7 +8,7 @@ import { useTranslation } from "react-i18next";
 import { Spin, Alert, Space, message } from "antd";
 import { Button, Empty } from "@lobehub/ui";
 import { Copy, Download } from "lucide-react";
-import { createStyles } from "antd-style";
+import { createStyles, useTheme } from "antd-style";
 import CodeMirror from "@uiw/react-codemirror";
 import { javascript } from "@codemirror/lang-javascript";
 import { css } from "@codemirror/lang-css";
@@ -63,6 +63,8 @@ const CodeViewer: React.FC<CodeViewerProps> = ({
 }) => {
   const { t } = useTranslation("file");
   const { styles } = useStyles();
+  const { appearance } = useTheme();
+  const themeMode = appearance === "dark" ? "dark" : "light" as const;
   const { currentDomain } = useDomainStore();
 
   const [loading, setLoading] = React.useState(true);
@@ -249,7 +251,7 @@ const CodeViewer: React.FC<CodeViewerProps> = ({
           height="100%"
           extensions={[language === "js" ? javascript() : css()]}
           editable={false}
-          theme="light"
+          theme={themeMode}
           basicSetup={{
             lineNumbers: true,
             highlightActiveLineGutter: false,

src/renderer/src/components/DomainManager/DomainForm.tsx

@@ -7,6 +7,7 @@ import React from "react";
 import { useTranslation } from "react-i18next";
 import { Button, Input, InputPassword, Modal } from "@lobehub/ui";
 import { Form } from "antd";
+import { createStyles, useTheme } from "antd-style";
 import { useDomainStore } from "@renderer/stores";
 import type { CreateDomainParams, UpdateDomainParams } from "@shared/types/ipc";
 import { CheckCircle2, XCircle } from "lucide-react";
@@ -36,6 +37,7 @@ type CreateErrorType = "connection" | "duplicate" | "unknown" | null;
 
 const DomainForm: React.FC<DomainFormProps> = ({ open, onClose, domainId }) => {
   const { t } = useTranslation("domain");
+  const token = useTheme();
   const [form] = Form.useForm();
   const { domains, createDomain, updateDomainById } = useDomainStore();
 
@@ -294,9 +296,9 @@ const DomainForm: React.FC<DomainFormProps> = ({ open, onClose, domainId }) => {
     const getIcon = () => {
       if (!testResult) return undefined;
       return testResult.success ? (
-        <CheckCircle2 size={16} color="#52c41a" />
+        <CheckCircle2 size={16} color={token.colorSuccess} />
       ) : (
-        <XCircle size={16} color="#ff4d4f" />
+        <XCircle size={16} color={token.colorError} />
       );
     };
 
@@ -379,7 +381,7 @@ const DomainForm: React.FC<DomainFormProps> = ({ open, onClose, domainId }) => {
             {/* Right side: Test button and Create/Update button */}
             <div style={{ display: "flex", alignItems: "center", gap: 8 }}>
               {createError && (
-                <span style={{ color: "#ff4d4f", fontSize: 14 }}>
+                <span style={{ color: token.colorError, fontSize: 14 }}>
                   {createError.message}
                 </span>
               )}

src/renderer/src/components/Settings/Settings.tsx

@@ -1,16 +1,17 @@
 /**
  * Settings Component
- * Application settings modal with language switcher
+ * Application settings modal with language switcher and theme selector
  */
 
 import React from "react";
 import { useTranslation } from "react-i18next";
 import { Typography, Radio, Divider, Space, message } from "antd";
-import { Globe, Info, ExternalLink } from "lucide-react";
+import { Globe, Info, ExternalLink, Sun, Moon, Monitor } from "lucide-react";
 import { Button } from "@lobehub/ui";
 
 import { createStyles } from "antd-style";
 import { useLocaleStore } from "@renderer/stores/localeStore";
+import { useThemeStore, type ThemeMode } from "@renderer/stores/themeStore";
 import { LOCALES, type LocaleCode } from "@shared/types/locale";
 
 const { Title } = Typography;
@@ -37,11 +38,18 @@ const useStyles = createStyles(({ token, css }) => ({
     .ant-radio-button-wrapper {
       border-radius: ${token.borderRadius}px;
       border: 1px solid ${token.colorBorder};
+      color: ${token.colorText};
     }
 
     .ant-radio-button-wrapper::before {
       display: none;
     }
+
+    .ant-radio-button-wrapper-checked {
+      background: ${token.colorPrimary} !important;
+      border-color: ${token.colorPrimary} !important;
+      color: ${token.colorBgContainer} !important;
+    }
   `,
   versionInfo: css`
     display: flex;
@@ -67,10 +75,21 @@ const useStyles = createStyles(({ token, css }) => ({
   `,
 }));
 
+const THEME_OPTIONS: {
+  value: ThemeMode;
+  labelKey: string;
+  icon: React.ReactNode;
+}[] = [
+  { value: "light", labelKey: "lightTheme", icon: <Sun size={14} /> },
+  { value: "dark", labelKey: "darkTheme", icon: <Moon size={14} /> },
+  { value: "auto", labelKey: "systemTheme", icon: <Monitor size={14} /> },
+];
+
 const Settings: React.FC = () => {
   const { t } = useTranslation("settings");
   const { styles } = useStyles();
   const { locale, setLocale } = useLocaleStore();
+  const { themeMode, setThemeMode } = useThemeStore();
   const i18n = useTranslation().i18n;
 
   // Version and update state
@@ -99,6 +118,10 @@ const Settings: React.FC = () => {
     await window.api.setLocale({ locale: newLocale });
   };
 
+  const handleThemeChange = (newTheme: ThemeMode) => {
+    setThemeMode(newTheme);
+  };
+
   const handleCheckUpdate = async () => {
     setCheckingUpdate(true);
     setUpdateInfo(null);
@@ -153,6 +176,34 @@ const Settings: React.FC = () => {
 
       <Divider />
 
+      {/* Theme Section */}
+      <div className={styles.section}>
+        <div className={styles.sectionTitle}>
+          <Monitor size={16} />
+          <Title level={5} style={{ margin: 0 }}>
+            {t("theme")}
+          </Title>
+        </div>
+        <Radio.Group
+          value={themeMode}
+          onChange={(e) => handleThemeChange(e.target.value)}
+          optionType="button"
+          buttonStyle="solid"
+          className={styles.radioGroup}
+        >
+          {THEME_OPTIONS.map((option) => (
+            <Radio.Button key={option.value} value={option.value}>
+              <Space size={4}>
+                {option.icon}
+                {t(option.labelKey)}
+              </Space>
+            </Radio.Button>
+          ))}
+        </Radio.Group>
+      </div>
+
+      <Divider />
+
       {/* About Section */}
       <div className={styles.section}>
         <div className={styles.sectionTitle}>

src/renderer/src/main.tsx

@@ -5,8 +5,21 @@ import { ThemeProvider } from "@lobehub/ui";
 import { I18nextProvider } from "react-i18next";
 import i18n from "./i18n";
 import App from "./App";
+import { useThemeStore } from "./stores/themeStore";
 import "./index.css";
 
+const ThemeApp: React.FC = () => {
+  const { themeMode, setThemeMode } = useThemeStore();
+
+  return (
+    <ThemeProvider themeMode={themeMode} onThemeModeChange={setThemeMode}>
+      <AntdApp>
+        <App />
+      </AntdApp>
+    </ThemeProvider>
+  );
+};
+
 ReactDOM.createRoot(document.getElementById("root")!).render(
   <React.StrictMode>
     <ConfigProvider
@@ -18,11 +31,7 @@ ReactDOM.createRoot(document.getElementById("root")!).render(
       }}
     >
       <I18nextProvider i18n={i18n}>
-        <ThemeProvider>
-          <AntdApp>
-            <App />
-          </AntdApp>
-        </ThemeProvider>
+        <ThemeApp />
       </I18nextProvider>
     </ConfigProvider>
   </React.StrictMode>,

src/renderer/src/stores/index.ts

@@ -10,3 +10,5 @@ export { useVersionStore } from "./versionStore";
 export { useUIStore } from "./uiStore";
 export { useSessionStore } from "./sessionStore";
 export type { ViewMode, SelectedFile } from "./sessionStore";
+export { useThemeStore } from "./themeStore";
+export type { ThemeMode } from "./themeStore";

src/renderer/src/stores/themeStore.ts

@@ -0,0 +1,32 @@
+/**
+ * Theme Store
+ * Manages theme mode preference with localStorage persistence
+ */
+
+import { create } from "zustand";
+import { persist } from "zustand/middleware";
+
+export type ThemeMode = "light" | "dark" | "auto";
+
+interface ThemeState {
+  // State
+  themeMode: ThemeMode;
+
+  // Actions
+  setThemeMode: (mode: ThemeMode) => void;
+}
+
+export const useThemeStore = create<ThemeState>()(
+  persist(
+    (set) => ({
+      // Initial state
+      themeMode: "auto",
+
+      // Actions
+      setThemeMode: (mode) => set({ themeMode: mode }),
+    }),
+    {
+      name: "theme-storage",
+    },
+  ),
+);