refactor(theme): 重构主题配置和管理后台样式

- 将 Ant Design 主题配置提取到独立的 getAntThemeConfig 函数
- 移除 AGENTS.md 中关于状态管理和样式的冗余说明
- 删除 globals.css 中的 admin 相关样式和颜色变量
- 更新管理后台布局使用新的主题配置和样式常量
- 调整代码编辑器样式使用 Ant Design 的 CSS 变量
- 优化管理后台整体视觉风格为中性色调

web/src/app/(admin)/admin/layout.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { FileTextOutlined, HomeOutlined, LogoutOutlined, PictureOutlined, SettingOutlined } from "@ant-design/icons";
-import { Button, Flex, Layout, Menu, Typography } from "antd";
+import { Button, Flex, Layout, Menu, Typography, theme } from "antd";
 import { LogOut } from "lucide-react";
 import Link from "next/link";
 import { usePathname, useRouter } from "next/navigation";
@@ -9,10 +9,12 @@ import type { ReactNode } from "react";
 import { useEffect } from "react";
 
 import { UserStatusActions } from "@/components/user-status-actions";
+import { adminLayoutStyle } from "@/lib/app-theme";
 import { useThemeStore } from "@/stores/use-theme-store";
 import { useUserStore } from "@/stores/use-user-store";
 
 export default function AdminLayout({ children }: { children: ReactNode }) {
+  const { token: antToken } = theme.useToken();
   const router = useRouter();
   const pathname = usePathname();
   const token = useUserStore((state) => state.token);
@@ -38,50 +40,50 @@ export default function AdminLayout({ children }: { children: ReactNode }) {
 
   if (!isReady || !token || user?.role !== "admin") {
     return (
-      <div style={{ display: "flex", minHeight: "100vh", alignItems: "center", justifyContent: "center", background: "var(--background)" }}>
+      <div style={{ display: "flex", minHeight: "100vh", alignItems: "center", justifyContent: "center", background: antToken.colorBgLayout }}>
         <span />
       </div>
     );
   }
 
   return (
-    <Layout className="admin-layout" hasSider style={{ height: "100vh", overflow: "hidden" }}>
-        <Layout.Sider width={232} style={{ height: "100vh", overflow: "hidden" }}>
-          <Flex className="admin-brand" align="center" gap={12} style={{ height: 56, padding: "0 20px" }}>
-            <span className="admin-logo" aria-hidden />
-            <Typography.Text strong style={{ fontSize: 16 }}>无限画布</Typography.Text>
+    <Layout hasSider style={{ height: "100vh", overflow: "hidden", background: antToken.colorBgLayout }}>
+      <Layout.Sider width={adminLayoutStyle.siderWidth} style={{ height: "100vh", overflow: "hidden", background: antToken.colorBgContainer, borderRight: `1px solid ${antToken.colorBorder}` }}>
+        <Flex align="center" gap={12} style={{ height: adminLayoutStyle.brandHeight, padding: "0 20px", borderBottom: `1px solid ${antToken.colorBorderSecondary}` }}>
+          <span aria-hidden style={{ display: "inline-block", width: 30, height: 30, background: antToken.colorText, WebkitMask: "url(/logo.svg) center / contain no-repeat", mask: "url(/logo.svg) center / contain no-repeat" }} />
+          <Typography.Text strong style={{ fontSize: 18, letterSpacing: 0 }}>无限画布</Typography.Text>
+        </Flex>
+        <Menu
+          mode="inline"
+          selectedKeys={[activeKey]}
+          style={adminLayoutStyle.menu}
+          items={[
+            { key: "/admin/prompts", icon: <FileTextOutlined />, label: <Link href="/admin/prompts" style={{ color: "inherit" }}>提示词管理</Link>, style: adminLayoutStyle.menuItem },
+            { key: "/admin/assets", icon: <PictureOutlined />, label: <Link href="/admin/assets" style={{ color: "inherit" }}>素材库</Link>, style: adminLayoutStyle.menuItem },
+            { key: "/admin/settings", icon: <SettingOutlined />, label: <Link href="/admin/settings" style={{ color: "inherit" }}>系统设置</Link>, style: adminLayoutStyle.menuItem },
+          ]}
+        />
+        <Flex vertical gap={8} style={{ position: "absolute", bottom: 0, insetInline: 0, padding: 12, borderTop: `1px solid ${antToken.colorBorder}`, background: antToken.colorBgContainer }}>
+          <Button block icon={<HomeOutlined />} href="/canvas" target="_blank" rel="noreferrer">前往画布</Button>
+          <Button block icon={<LogoutOutlined />} onClick={logout}>退出登录</Button>
+        </Flex>
+      </Layout.Sider>
+      <Layout style={{ background: antToken.colorBgLayout }}>
+        <Layout.Header style={{ display: "flex", alignItems: "center", justifyContent: "space-between", height: adminLayoutStyle.headerHeight, padding: "0 24px", background: antToken.colorBgContainer, borderBottom: `1px solid ${antToken.colorBorder}` }}>
+          <Typography.Title level={5} style={{ margin: 0 }}>{pageTitle}</Typography.Title>
+          <Flex align="center" gap={4}>
+            <UserStatusActions
+              version={appVersion}
+              theme={colorTheme}
+              onThemeChange={setTheme}
+              showConfig={false}
+              userName={user.username}
+              menuItems={[{ key: "logout", icon: <LogOut className="size-4" />, label: "退出登录", onClick: logout }]}
+            />
           </Flex>
-          <Menu
-            mode="inline"
-            selectedKeys={[activeKey]}
-            style={{ borderInlineEnd: 0, padding: "12px 8px" }}
-            items={[
-              { key: "/admin/prompts", icon: <FileTextOutlined />, label: <Link href="/admin/prompts" style={{ color: "inherit" }}>提示词管理</Link> },
-              { key: "/admin/assets", icon: <PictureOutlined />, label: <Link href="/admin/assets" style={{ color: "inherit" }}>素材库</Link> },
-              { key: "/admin/settings", icon: <SettingOutlined />, label: <Link href="/admin/settings" style={{ color: "inherit" }}>系统设置</Link> },
-            ]}
-          />
-          <Flex vertical gap={8} style={{ position: "absolute", bottom: 0, insetInline: 0, padding: 12 }}>
-            <Button block icon={<HomeOutlined />} href="/canvas" target="_blank" rel="noreferrer">前往画布</Button>
-            <Button block icon={<LogoutOutlined />} onClick={logout}>退出登录</Button>
-          </Flex>
-        </Layout.Sider>
-        <Layout>
-          <Layout.Header style={{ display: "flex", alignItems: "center", justifyContent: "space-between", height: 56, padding: "0 24px" }}>
-            <Typography.Title level={5} style={{ margin: 0 }}>{pageTitle}</Typography.Title>
-            <Flex align="center" gap={4}>
-              <UserStatusActions
-                version={appVersion}
-                theme={colorTheme}
-                onThemeChange={setTheme}
-                showConfig={false}
-                userName={user.username}
-                menuItems={[{ key: "logout", icon: <LogOut className="size-4" />, label: "退出登录", onClick: logout }]}
-              />
-            </Flex>
-          </Layout.Header>
-          <Layout.Content style={{ minHeight: 0, overflow: "auto" }}>{children}</Layout.Content>
-        </Layout>
+        </Layout.Header>
+        <Layout.Content style={{ minHeight: 0, overflow: "auto" }}>{children}</Layout.Content>
       </Layout>
+    </Layout>
   );
 }

web/src/app/(admin)/admin/settings/page.tsx

@@ -1,9 +1,7 @@
 "use client";
 
 import { CheckCircleOutlined, DeleteOutlined, FormatPainterOutlined, PlusOutlined, ReloadOutlined, SaveOutlined } from "@ant-design/icons";
-import { HighlightStyle, syntaxHighlighting } from "@codemirror/language";
 import { json } from "@codemirror/lang-json";
-import { tags } from "@lezer/highlight";
 import { App, Button, Card, Col, Drawer, Flex, Form, Input, InputNumber, Modal, Row, Segmented, Select, Space, Switch, Table, Tabs, Tag, Typography } from "antd";
 import dynamic from "next/dynamic";
 import { useEffect, useState } from "react";
@@ -14,27 +12,17 @@ import { useUserStore } from "@/stores/use-user-store";
 
 const CodeMirror = dynamic(() => import("@uiw/react-codemirror"), { ssr: false });
 const jsonEditorTheme = EditorView.theme({
-  "&": { backgroundColor: "var(--card)", color: "var(--foreground)" },
-  ".cm-content": { caretColor: "var(--foreground)", padding: "12px 0" },
+  "&": { backgroundColor: "var(--ant-color-bg-container)", color: "var(--ant-color-text)" },
+  ".cm-content": { caretColor: "var(--ant-color-text)", padding: "12px 0" },
   ".cm-line": { padding: "0 18px" },
-  ".cm-gutters": { backgroundColor: "color-mix(in srgb, var(--card) 94%, var(--foreground))", borderRight: "1px solid var(--border)", color: "var(--muted-foreground)" },
-  ".cm-activeLine": { backgroundColor: "color-mix(in srgb, var(--primary) 9%, transparent)" },
-  ".cm-activeLineGutter": { backgroundColor: "color-mix(in srgb, var(--primary) 10%, transparent)", color: "var(--foreground)" },
-  ".cm-cursor": { borderLeftColor: "var(--foreground)" },
-  ".cm-selectionBackground, &.cm-focused .cm-selectionBackground": { backgroundColor: "color-mix(in srgb, var(--primary) 25%, transparent)" },
-  ".cm-foldPlaceholder": { backgroundColor: "var(--muted)", border: "1px solid var(--border)", color: "var(--muted-foreground)" },
+  ".cm-gutters": { backgroundColor: "var(--ant-color-fill-quaternary)", borderRight: "1px solid var(--ant-color-border)", color: "var(--ant-color-text-tertiary)" },
+  ".cm-activeLine": { backgroundColor: "var(--ant-color-fill-quaternary)" },
+  ".cm-activeLineGutter": { backgroundColor: "var(--ant-color-fill-quaternary)", color: "var(--ant-color-text)" },
+  ".cm-cursor": { borderLeftColor: "var(--ant-color-text)" },
+  ".cm-selectionBackground, &.cm-focused .cm-selectionBackground": { backgroundColor: "var(--ant-control-item-bg-active)" },
+  ".cm-foldPlaceholder": { backgroundColor: "var(--ant-color-fill-quaternary)", border: "1px solid var(--ant-color-border)", color: "var(--ant-color-text-tertiary)" },
   "&.cm-focused": { outline: "none" },
-}, { dark: true });
-const jsonHighlightStyle = HighlightStyle.define([
-  { tag: tags.propertyName, color: "#f2a7a7" },
-  { tag: tags.string, color: "#d6c6a8" },
-  { tag: tags.number, color: "#ddb27d" },
-  { tag: tags.bool, color: "#c5b3ff" },
-  { tag: tags.null, color: "#c5b3ff" },
-  { tag: tags.punctuation, color: "rgba(250, 250, 249, 0.62)" },
-  { tag: tags.squareBracket, color: "rgba(250, 250, 249, 0.62)" },
-  { tag: tags.brace, color: "rgba(250, 250, 249, 0.62)" },
-]);
+});
 
 const emptySettings: AdminSettings = {
   public: {
@@ -291,11 +279,10 @@ export default function AdminSettingsPage() {
                 <CodeMirror
                   value={activeJsonText}
                   height="520px"
-                  extensions={[json(), jsonEditorTheme, syntaxHighlighting(jsonHighlightStyle)]}
+                  extensions={[json(), jsonEditorTheme]}
                   basicSetup={{ foldGutter: true, lineNumbers: true, highlightActiveLine: true, highlightActiveLineGutter: true }}
                   theme="none"
                   onChange={(value) => setJsonText((current) => ({ ...current, public: value }))}
-                  className="admin-json-editor"
                   style={{ fontSize: 13 }}
                 />
               </div>
@@ -341,11 +328,10 @@ export default function AdminSettingsPage() {
               <CodeMirror
                 value={activeJsonText}
                 height="520px"
-                extensions={[json(), jsonEditorTheme, syntaxHighlighting(jsonHighlightStyle)]}
+                extensions={[json(), jsonEditorTheme]}
                 basicSetup={{ foldGutter: true, lineNumbers: true, highlightActiveLine: true, highlightActiveLineGutter: true }}
                 theme="none"
                 onChange={(value) => setJsonText((current) => ({ ...current, private: value }))}
-                className="admin-json-editor"
                 style={{ fontSize: 13 }}
               />
             </div>

web/src/app/globals.css

@@ -80,7 +80,6 @@
   --sidebar-accent-foreground: oklch(0.205 0 0);
   --sidebar-border: oklch(0.922 0 0);
   --sidebar-ring: oklch(0.708 0 0);
-  --admin-card-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
 }
 
 .dark {
@@ -115,7 +114,6 @@
   --sidebar-accent-foreground: oklch(0.985 0 0);
   --sidebar-border: oklch(1 0 0 / 10%);
   --sidebar-ring: oklch(0.556 0 0);
-  --admin-card-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
 }
 
 @layer base {
@@ -370,72 +368,6 @@
     top: 21px;
   }
 
-  .admin-layout .ant-layout-sider {
-    border-right: 1px solid var(--border);
-  }
-
-  .admin-layout .ant-layout-header {
-    border-bottom: 1px solid var(--border);
-  }
-
-  .admin-layout .ant-layout-sider-children > .ant-flex:first-child {
-    border-bottom: 1px solid var(--border);
-  }
-
-  .admin-logo {
-    background: currentColor;
-    display: inline-block;
-    height: 32px;
-    mask: url(/logo.svg) center / contain no-repeat;
-    width: 32px;
-    -webkit-mask: url(/logo.svg) center / contain no-repeat;
-  }
-
-  .admin-layout .ant-layout-sider-children > .ant-flex:last-child {
-    border-top: 1px solid var(--border);
-    background: var(--card);
-  }
-
-  .admin-layout .ant-card,
-  .admin-layout .ant-pro-card {
-    box-shadow: var(--admin-card-shadow);
-  }
-
-  .admin-layout .ant-table-cell .ant-btn-icon-only.ant-btn-sm {
-    height: 26px;
-    width: 26px;
-  }
-
-  .admin-json-editor .cm-editor {
-    background: var(--card);
-    color: var(--foreground);
-    font-family: var(--font-geist-mono), ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
-  }
-
-  .admin-json-editor .cm-scroller {
-    font-family: inherit;
-  }
-
-  .admin-json-editor .cm-gutters {
-    background: color-mix(in srgb, var(--card) 92%, var(--foreground));
-    border-right: 1px solid var(--border);
-    color: var(--muted-foreground);
-  }
-
-  .admin-json-editor .cm-activeLine,
-  .admin-json-editor .cm-activeLineGutter {
-    background: color-mix(in srgb, var(--primary) 12%, transparent);
-  }
-
-  .admin-json-editor .cm-cursor {
-    border-left-color: var(--foreground);
-  }
-
-  .admin-json-editor .cm-selectionBackground,
-  .admin-json-editor .cm-focused .cm-selectionBackground {
-    background: color-mix(in srgb, var(--primary) 28%, transparent);
-  }
-
   @keyframes canvas-batch-child-in {
     from {
       opacity: 0;