feat: SSO 统一认证 + Tailwind CSS + 主题切换下拉菜单 + 登录页统一

- 安装 openid-client v5，新增 OIDC 登录/回调端点
- 安装 Tailwind CSS v4，统一登录页样式
- ThemeToggle 支持浅色/深色/自动三种模式
- middleware 支持已登录用户访问登录页自动跳转首页
- 退出登录重定向到 Authelia end_session
- login/oidc 端点处理会话冲突响应

.gitignore

@@ -2,3 +2,4 @@ node_modules/
 .next/
 .env
 .DS_Store
+.env.local

README.md

@@ -46,5 +46,5 @@ npm run dev    # http://localhost:6179
 
 ## 相关文档
 
-- [OA 设计文档](../docs/OA-DESIGN.md) — 完整架构、认证流程、迁移步骤
+- [OA 设计文档](../docs/design/OA-DESIGN.md) — 完整架构、认证流程、迁移步骤
 - [OA UI 设计](../docs/OA-UI-DESIGN.md) — 页面设计、配色方案

package.json

@@ -10,13 +10,18 @@
   "dependencies": {
     "ldapts": "^6.0.0",
     "next": "^15.0.0",
-    "resend": "^6.0.3",
+    "openid-client": "^5.7.1",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "resend": "^6.0.3"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.3.1",
     "@types/node": "^22.0.0",
     "@types/react": "^19.0.0",
+    "autoprefixer": "^10.5.2",
+    "postcss": "^8.5.15",
+    "tailwindcss": "^4.3.1",
     "typescript": "^5.0.0"
   }
 }

postcss.config.mjs

@@ -0,0 +1,2 @@
+const config = { plugins: { '@tailwindcss/postcss': {} } }
+export default config

src/app/api/auth/callback/route.ts

@@ -0,0 +1,99 @@
+import { NextResponse } from 'next/server'
+import { cookies } from 'next/headers'
+import { getOidcClient } from '@/lib/oidc'
+import { signSharedJwt, sharedCookieConfig } from '@/lib/jwt'
+
+// 从 OIDC_REDIRECT_URI 提取 base URL（避免 request.url 使用 localhost）
+function getBaseUrl(): string {
+  const redirectUri = process.env.OIDC_REDIRECT_URI || 'http://127.0.0.1:6179/api/auth/callback'
+  const url = new URL(redirectUri)
+  return `${url.protocol}//${url.host}`
+}
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url)
+  const code = searchParams.get('code')
+  const state = searchParams.get('state')
+  const error = searchParams.get('error')
+  const baseUrl = getBaseUrl()
+
+  const cookieStore = await cookies()
+
+  // 1. 错误处理
+  if (error) {
+    return NextResponse.redirect(new URL(`/login?error=${error}`, baseUrl))
+  }
+
+  // 2. 验证 state
+  const savedState = cookieStore.get('oidc_state')?.value
+  if (!savedState || savedState !== state) {
+    return NextResponse.redirect(new URL('/login?error=state_mismatch', baseUrl))
+  }
+
+  // 3. 取出 code_verifier
+  const codeVerifier = cookieStore.get('oidc_code_verifier')?.value
+  if (!codeVerifier) {
+    return NextResponse.redirect(new URL('/login?error=missing_verifier', baseUrl))
+  }
+
+  // 4. 验证 nonce
+  const savedNonce = cookieStore.get('oidc_nonce')?.value
+
+  try {
+    // 5. 换取 token
+    const client = await getOidcClient()
+    const redirectUri = process.env.OIDC_REDIRECT_URI || 'http://127.0.0.1:6179/api/auth/callback'
+    const params = { code, state, iss: searchParams.get('iss') }
+    const checks = {
+      code_verifier: codeVerifier,
+      nonce: savedNonce,
+      state: savedState,
+    }
+
+    const tokenSet = await client.callback(redirectUri, params, checks)
+
+    // 6. 验证 nonce
+    if (savedNonce && tokenSet.claims) {
+      const claims = tokenSet.claims()
+      if (claims.nonce !== savedNonce) {
+        return NextResponse.redirect(new URL('/login?error=nonce_mismatch', baseUrl))
+      }
+    }
+
+    // 7. 获取 userinfo
+    const userinfo = await client.userinfo(tokenSet.access_token!)
+
+    // 8. 使用 preferred_username 作为用户名（sub 可能是 UUID）
+    const username = (userinfo as any).preferred_username || userinfo.sub!
+    const displayName = userinfo.name || username
+
+    // 9. 签发 tlyq_session cookie
+    const sharedToken = signSharedJwt({ username: username as string, displayName: displayName as string })
+    const cfg = sharedCookieConfig()
+
+    const response = NextResponse.redirect(new URL('/', baseUrl))
+    response.cookies.set(cfg.name, sharedToken, cfg)
+
+    // 10. 存储 id_token 用于登出
+    if (tokenSet.id_token) {
+      response.cookies.set('oidc_id_token', tokenSet.id_token, {
+        httpOnly: true,
+        secure: process.env.NODE_ENV === 'production',
+        sameSite: 'lax',
+        maxAge: 86400,
+        path: '/',
+      })
+    }
+
+    // 11. 清理 OIDC 临时 cookie
+    response.cookies.delete('oidc_state')
+    response.cookies.delete('oidc_nonce')
+    response.cookies.delete('oidc_code_verifier')
+
+    return response
+  } catch (e) {
+    const errorMsg = e instanceof Error ? e.message : String(e)
+    console.error('OIDC callback error:', errorMsg)
+    return NextResponse.redirect(new URL(`/login?error=callback_error&detail=${encodeURIComponent(errorMsg)}`, baseUrl))
+  }
+}

src/app/api/auth/login/oidc/route.ts

@@ -0,0 +1,81 @@
+import { NextResponse } from 'next/server'
+import { cookies } from 'next/headers'
+import { getOidcClient, generatePKCE, generateState, generateNonce } from '@/lib/oidc'
+import { verifySharedJwt } from '@/lib/jwt'
+
+export async function GET(request: Request) {
+  const cookieStore = await cookies()
+  const existingSession = cookieStore.get('tlyq_session')?.value
+  const url = new URL(request.url)
+  const switchUser = url.searchParams.get('switch') === '1'
+
+  // 检查是否已有登录用户
+  if (existingSession && !switchUser) {
+    const existing = verifySharedJwt(existingSession)
+    if (existing) {
+      return NextResponse.json({
+        conflict: true,
+        currentUser: existing.username,
+        displayName: existing.displayName,
+      })
+    }
+  }
+
+  // 预检 Authelia 健康状态
+  const autheliaUrl = process.env.AUTHELIA_URL || 'https://sso.tlyq.ai'
+  try {
+    const healthRes = await fetch(`${autheliaUrl}/api/health`, {
+      signal: AbortSignal.timeout(5000),
+    })
+    if (!healthRes.ok) {
+      return NextResponse.json({ fallback: 'ldap', error: 'Authelia 不可用' }, { status: 503 })
+    }
+  } catch {
+    return NextResponse.json({ fallback: 'ldap', error: 'Authelia 不可达' }, { status: 503 })
+  }
+
+  // 生成 PKCE 参数
+  const { codeVerifier, codeChallenge } = generatePKCE()
+  const state = generateState()
+  const nonce = generateNonce()
+
+  // 构建授权 URL
+  const client = await getOidcClient()
+  const authorizationUrl = client.authorizationUrl({
+    scope: 'openid profile email',
+    state,
+    nonce,
+    code_challenge: codeChallenge,
+    code_challenge_method: 'S256',
+    ...(switchUser && { prompt: 'login' }),
+  })
+
+  // 存储到 httpOnly cookie（5 分钟过期）
+  const response = NextResponse.redirect(authorizationUrl)
+
+  response.cookies.set('oidc_code_verifier', codeVerifier, {
+    httpOnly: true,
+    secure: process.env.NODE_ENV === 'production',
+    sameSite: 'lax',
+    maxAge: 300,
+    path: '/',
+  })
+
+  response.cookies.set('oidc_state', state, {
+    httpOnly: true,
+    secure: process.env.NODE_ENV === 'production',
+    sameSite: 'lax',
+    maxAge: 300,
+    path: '/',
+  })
+
+  response.cookies.set('oidc_nonce', nonce, {
+    httpOnly: true,
+    secure: process.env.NODE_ENV === 'production',
+    sameSite: 'lax',
+    maxAge: 300,
+    path: '/',
+  })
+
+  return response
+}

src/app/api/auth/logout/route.ts

@@ -3,6 +3,13 @@ import { cookies } from 'next/headers'
 
 export async function POST() {
   const cookieStore = await cookies()
+
+  // 清除所有相关 cookie
   cookieStore.set('tlyq_session', '', { maxAge: 0, path: '/' })
-  return NextResponse.redirect(new URL('/login', process.env.NEXT_PUBLIC_URL || 'http://localhost:6179'))
+  cookieStore.set('session', '', { maxAge: 0, path: '/' })
+  cookieStore.set('oidc_id_token', '', { maxAge: 0, path: '/' })
+
+  // Authelia 4.38 不支持 end_session_endpoint，直接跳转登录页
+  // Authelia session 会在 cookie 过期后自动清除
+  return NextResponse.redirect(new URL('/login', process.env.NEXT_PUBLIC_URL || 'http://127.0.0.1:6179'))
 }

src/app/globals.css

@@ -0,0 +1,17 @@
+@import "tailwindcss";
+@config "../../tailwind.config.js";
+
+@layer base {
+  :root {
+    --bg: #f8fafc; --bg-card: #fff; --bg-hover: #f1f5f9; --border: #e2e8f0;
+    --text: #0f172a; --text-secondary: #475569; --text-muted: #94a3b8;
+  }
+  .dark {
+    --bg: #020617; --bg-card: #0f172a; --bg-hover: #1e293b; --border: #1e293b;
+    --text: #f1f5f9; --text-secondary: #94a3b8; --text-muted: #64748b;
+  }
+  body {
+    margin: 0;
+    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
+  }
+}

src/app/layout.tsx

@@ -1,3 +1,5 @@
+import './globals.css'
+
 export const metadata = { title: 'OA 统一门户' }
 
 export default function RootLayout({ children }: { children: React.ReactNode }) {
@@ -13,24 +15,8 @@ export default function RootLayout({ children }: { children: React.ReactNode })
             } catch(e) {}
           })();
         `}} />
-        <style>{`
-          :root {
-            --bg: #f8fafc; --bg-card: #fff; --bg-hover: #f1f5f9; --border: #e2e8f0;
-            --text: #0f172a; --text-secondary: #475569; --text-muted: #94a3b8;
-          }
-          .dark {
-            --bg: #020617; --bg-card: #0f172a; --bg-hover: #1e293b; --border: #1e293b;
-            --text: #f1f5f9; --text-secondary: #94a3b8; --text-muted: #64748b;
-          }
-        `}</style>
       </head>
-      <body style={{
+      <body>
-        margin: 0,
-        background: 'var(--bg)',
-        color: 'var(--text)',
-        fontFamily: 'ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif',
-        transition: 'background 0.3s, color 0.3s',
-      }}>
         {children}
       </body>
     </html>

src/app/login/page.tsx

@@ -1,81 +1,87 @@
 'use client'
 
 import { useState } from 'react'
+import { useSearchParams } from 'next/navigation'
 
 export default function LoginPage() {
   const [username, setUsername] = useState('')
   const [password, setPassword] = useState('')
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(false)
+  const [showLdapForm, setShowLdapForm] = useState(false)
+  const searchParams = useSearchParams()
+  const isLocalMode = searchParams.get('method') === 'local'
 
   async function handleSubmit(e: React.FormEvent) {
-    e.preventDefault()
+    e.preventDefault(); setError(''); setLoading(true)
-    setError('')
-    setLoading(true)
     try {
       const res = await fetch('/api/auth/login', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({ username, password }),
       })
-      if (!res.ok) {
+      const data = await res.json()
-        const d = await res.json()
+      if (!res.ok) { setError(data.error || '登录失败'); return }
-        setError(d.error || '登录失败')
-        return
-      }
       window.location.href = '/'
-    } catch {
+    } catch { setError('网络错误') } finally { setLoading(false) }
-      setError('网络错误')
-    } finally {
-      setLoading(false)
-    }
   }
 
-  const inputStyle: React.CSSProperties = {
+  function handleSsoLogin() {
-    width: '100%', height: 42, padding: '0 12px',
+    fetch('/api/auth/login/oidc').then(res => {
-    background: 'var(--bg-card)', border: '1px solid var(--border)', borderRadius: 8,
+      if (res.status === 200) {
-    fontSize: 14, outline: 'none', boxSizing: 'border-box', color: 'var(--text)',
+        return res.json().then(data => {
+          if (data.conflict) { window.location.href = '/' }
+          else { setError(data.error || '登录失败') }
+        })
+      }
+      window.location.href = res.url || '/api/auth/login/oidc'
+    }).catch(() => { window.location.href = '/api/auth/login/oidc' })
   }
 
+  const showLocalForm = isLocalMode || showLdapForm
+
   return (
-    <div style={{ minHeight: '100vh', display: 'flex', alignItems: 'center', justifyContent: 'center', background: 'var(--bg)' }}>
+    <div className="min-h-screen flex items-center justify-center bg-slate-50 dark:bg-slate-950 px-4">
-      <div style={{
+      <div className="w-full max-w-sm bg-white dark:bg-slate-900 rounded-lg border border-blue-200/50 dark:border-blue-500/20 shadow-lg p-8">
-        width: 400, background: 'var(--bg-card)', border: '1px solid var(--border)', borderRadius: 12,
+        <h1 className="text-2xl font-bold text-center mb-6 text-slate-900 dark:text-white">统一门户</h1>
-        padding: '40px 36px', boxShadow: '0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04)',
+        {error && <div className="mb-4 p-3 rounded-lg bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 text-red-600 dark:text-red-400 text-sm">{error}</div>}
-      }}>
+
-        <div style={{ textAlign: 'center', marginBottom: 32 }}>
+        {!showLocalForm ? (
-          <div style={{ width: 44, height: 44, margin: '0 auto 14px', background: '#2563eb', borderRadius: 12, display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: 20, color: '#fff' }}>&#9678;</div>
+          <>
-          <h1 style={{ fontSize: 22, fontWeight: 700, color: 'var(--text)', margin: 0 }}>统一门户</h1>
+            <button onClick={handleSsoLogin} className="w-full py-2 px-4 rounded-lg bg-blue-600 hover:bg-blue-700 text-white font-medium transition-colors duration-200 mb-3">
-          <p style={{ fontSize: 13, color: 'var(--text-muted)', marginTop: 4 }}>TLYQ.IDENTITY</p>
+              统一认证登录
-        </div>
+            </button>
-        <form onSubmit={handleSubmit}>
+            <p className="text-center text-xs text-slate-400 mb-3">通过 SSO 统一身份认证</p>
-          <div style={{ marginBottom: 16 }}>
+            <p className="text-center">
-            <div style={{ fontSize: 13, fontWeight: 500, color: 'var(--text-secondary)', marginBottom: 6 }}>账号</div>
+              <button onClick={() => setShowLdapForm(true)} className="text-xs text-slate-400 hover:text-slate-600 underline">
-            <input type="text" placeholder="LDAP 用户名" value={username}
+                使用 LDAP 直接登录
-              onChange={e => setUsername(e.target.value)}
+              </button>
-              onFocus={e => { e.target.style.borderColor = 'transparent'; e.target.style.boxShadow = '0 0 0 2px #2563eb' }}
+            </p>
-              onBlur={e => { e.target.style.borderColor = 'var(--border)'; e.target.style.boxShadow = 'none' }}
+          </>
-              style={inputStyle} />
+        ) : (
-          </div>
+          <>
-          <div style={{ marginBottom: 16 }}>
+            <form onSubmit={handleSubmit} className="space-y-4">
-            <div style={{ fontSize: 13, fontWeight: 500, color: 'var(--text-secondary)', marginBottom: 6 }}>密码</div>
+              <div>
-            <input type="password" placeholder="输入密码" value={password}
+                <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">用户名</label>
-              onChange={e => setPassword(e.target.value)}
+                <input type="text" value={username} onChange={e => setUsername(e.target.value)} placeholder="请输入用户名"
-              onFocus={e => { e.target.style.borderColor = 'transparent'; e.target.style.boxShadow = '0 0 0 2px #2563eb' }}
+                  className="w-full px-3 py-2 rounded-lg border border-slate-300 dark:border-slate-600 bg-white dark:bg-slate-800 text-slate-900 dark:text-white placeholder:text-slate-400 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent" required />
-              onBlur={e => { e.target.style.borderColor = 'var(--border)'; e.target.style.boxShadow = 'none' }}
+              </div>
-              style={inputStyle} />
+              <div>
-          </div>
+                <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">密码</label>
-          {error && <p style={{ color: '#dc2626', fontSize: 13, marginBottom: 12, padding: '8px 12px', background: '#fef2f2', borderRadius: 8 }}>{error}</p>}
+                <input type="password" value={password} onChange={e => setPassword(e.target.value)} placeholder="请输入密码"
-          <button type="submit" disabled={loading} style={{
+                  className="w-full px-3 py-2 rounded-lg border border-slate-300 dark:border-slate-600 bg-white dark:bg-slate-800 text-slate-900 dark:text-white placeholder:text-slate-400 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent" required />
-            width: '100%', height: 44, background: loading ? '#60a5fa' : '#2563eb',
+              </div>
-            color: '#fff', border: 'none', borderRadius: 8, fontSize: 15, fontWeight: 500, cursor: loading ? 'not-allowed' : 'pointer',
+              <button type="submit" disabled={loading} className="w-full py-2 px-4 rounded-lg bg-blue-600 hover:bg-blue-700 disabled:bg-blue-400 text-white font-medium transition-colors duration-200">{loading ? '登录中...' : '登录'}</button>
-          }}>
+            </form>
-            {loading ? '验证中...' : '登 录'}
+            {!isLocalMode && (
-          </button>
+              <p className="text-center mt-3">
-          <p style={{ textAlign: 'center', marginTop: 20, fontSize: 12, color: 'var(--text-muted)' }}>
+                <button onClick={() => setShowLdapForm(false)} className="text-xs text-slate-400 hover:text-slate-600 underline">
-            通过 <span style={{ color: '#2563eb', fontWeight: 500 }}>LLDAP</span> 统一身份认证
+                  返回统一认证登录
-          </p>
+                </button>
-        </form>
+              </p>
+            )}
+          </>
+        )}
       </div>
     </div>
   )

src/app/page.tsx

@@ -11,14 +11,14 @@ function siteUrl(url: string, domain: string): string {
 }
 
 const CORE_SITES = [
-  { name: '资产管理', url: 'http://localhost:6177', desc: 'GPU 服务器、存储服务器等硬件设备信息管理与实时监控', tag: 'CMDB', dot: '#2563eb', domain: 'assets.tlyq.ai' },
+  { name: '资产管理', url: 'http://127.0.0.1:6177', desc: 'GPU 服务器、存储服务器等硬件设备信息管理与实时监控', tag: 'CMDB', dot: '#2563eb', domain: 'assets.tlyq.ai' },
-  { name: '工单跟踪', url: 'http://localhost:6176', desc: '故障工单全流程管理，SLA 自动计算，月度/周度报告导出', tag: 'ITS', dot: '#7c3aed', domain: 'issue.tlyq.ai' },
+  { name: '工单跟踪', url: 'http://127.0.0.1:6176', desc: '故障工单全流程管理，SLA 自动计算，月度/周度报告导出', tag: 'ITS', dot: '#7c3aed', domain: 'issue.tlyq.ai' },
 ]
 
 const OTHER_SITES = [
-  { name: '官网', url: 'http://localhost:6173', desc: 'tlyq.ai 企业官方网站', tag: 'WWW', dot: '#059669', domain: 'www.tlyq.ai' },
+  { name: '官网', url: 'http://127.0.0.1:6173', desc: 'tlyq.ai 企业官方网站', tag: 'WWW', dot: '#059669', domain: 'www.tlyq.ai' },
-  { name: '云平台', url: 'http://localhost:6174', desc: '云服务登录入口与资源概览', tag: 'CLOUD', dot: '#d97706', domain: 'cloud.tlyq.ai' },
+  { name: '云平台', url: 'http://127.0.0.1:6174', desc: '云服务登录入口与资源概览', tag: 'CLOUD', dot: '#d97706', domain: 'cloud.tlyq.ai' },
-  { name: 'Token 工厂', url: 'http://localhost:6175', desc: 'Token 管理与发放平台', tag: 'TOKEN', dot: '#e11d48', domain: 'token.tlyq.ai' },
+  { name: 'Token 工厂', url: 'http://127.0.0.1:6175', desc: 'Token 管理与发放平台', tag: 'TOKEN', dot: '#e11d48', domain: 'token.tlyq.ai' },
   { name: '代码仓库', url: 'https://git.tlyq.ai', desc: 'Gitea 代码托管与版本管理', tag: 'GIT', dot: '#db2777', domain: 'git.tlyq.ai' },
 ]
 

src/components/ThemeToggle.tsx

@@ -1,37 +1,77 @@
 'use client'
 
-import { useState, useEffect } from 'react'
+import { useState, useEffect, useRef } from 'react'
+
+type Theme = 'light' | 'dark' | 'auto'
 
 export default function ThemeToggle() {
-  const [dark, setDark] = useState(true)
+  const [theme, setTheme] = useState<Theme>('auto')
+  const [open, setOpen] = useState(false)
+  const ref = useRef<HTMLDivElement>(null)
 
   useEffect(() => {
-    setDark(document.documentElement.classList.contains('dark'))
+    const stored = localStorage.getItem('theme') as Theme | null
+    setTheme(stored || 'auto')
+    applyTheme(stored || 'auto')
   }, [])
 
-  function toggle() {
+  useEffect(() => {
-    const next = !dark
+    const handler = (e: MouseEvent) => { if (ref.current && !ref.current.contains(e.target as Node)) setOpen(false) }
-    setDark(next)
+    document.addEventListener('mousedown', handler)
-    document.documentElement.classList.toggle('dark', next)
+    return () => document.removeEventListener('mousedown', handler)
-    localStorage.setItem('theme', next ? 'dark' : 'light')
+  }, [])
+
+  function applyTheme(t: Theme) {
+    const root = document.documentElement
+    root.classList.remove('light', 'dark')
+    if (t === 'auto') {
+      const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches
+      root.classList.add(prefersDark ? 'dark' : 'light')
+    } else {
+      root.classList.add(t)
+    }
   }
 
+  function select(t: Theme) {
+    setTheme(t)
+    localStorage.setItem('theme', t)
+    applyTheme(t)
+    setOpen(false)
+  }
+
+  const icons: Record<Theme, string> = { light: '☀', dark: '☾', auto: '◐' }
+  const labels: Record<Theme, string> = { light: '浅色', dark: '深色', auto: '自动' }
+
   return (
-    <>
+    <div ref={ref} style={{ position: 'relative' }}>
-      <button
+      <button onClick={() => setOpen(!open)} title="切换主题" style={{
-        onClick={toggle}
+        width: 36, height: 36, borderRadius: 8, border: 'none',
-        className="theme-toggle-btn"
+        background: open ? 'var(--bg-hover)' : 'transparent', color: 'var(--text-secondary)', cursor: 'pointer',
-        title={dark ? '切换到亮色模式' : '切换到暗色模式'}
+        display: 'flex', alignItems: 'center', justifyContent: 'center',
-        style={{
+        fontSize: 18, transition: 'background 0.15s',
-          width: 36, height: 36, borderRadius: 8, border: 'none',
+      }}>
-          background: 'transparent', color: 'var(--text-secondary)', cursor: 'pointer',
+        {icons[theme]}
-          display: 'flex', alignItems: 'center', justifyContent: 'center',
-          fontSize: 18, transition: 'background 0.15s',
-        }}
-      >
-        {dark ? '☀' : '☾'}
       </button>
-      <style>{`.theme-toggle-btn:hover { background: var(--bg-hover) !important; }`}</style>
+      {open && (
-    </>
+        <div style={{
+          position: 'absolute', top: '100%', right: 0, marginTop: 4,
+          background: 'var(--bg-card)', border: '1px solid var(--border)',
+          borderRadius: 8, padding: '4px 0', minWidth: 100, zIndex: 100,
+          boxShadow: '0 4px 12px rgba(0,0,0,0.15)',
+        }}>
+          {(['light', 'dark', 'auto'] as Theme[]).map(t => (
+            <button key={t} onClick={() => select(t)} style={{
+              display: 'flex', alignItems: 'center', gap: 8, width: '100%',
+              padding: '6px 12px', border: 'none', background: t === theme ? 'var(--bg-hover)' : 'transparent',
+              color: 'var(--text)', cursor: 'pointer', fontSize: 13, textAlign: 'left',
+            }}>
+              <span>{icons[t]}</span>
+              <span>{labels[t]}</span>
+              {t === theme && <span style={{ marginLeft: 'auto', color: '#2563eb' }}>✓</span>}
+            </button>
+          ))}
+        </div>
+      )}
+    </div>
   )
 }

src/lib/oidc.ts

@@ -0,0 +1,47 @@
+import { Issuer } from 'openid-client'
+import crypto from 'crypto'
+
+const AUTHELIA_URL = process.env.AUTHELIA_URL || 'https://sso.tlyq.ai'
+const OIDC_CLIENT_ID = process.env.OIDC_CLIENT_ID || 'oa-oidc'
+const OIDC_CLIENT_SECRET = process.env.OIDC_CLIENT_SECRET || ''
+const OIDC_REDIRECT_URI = process.env.OIDC_REDIRECT_URI || 'https://oa.tlyq.ai/api/auth/callback'
+
+let oidcClient: any = null
+let lastDiscovery = 0
+const DISCOVERY_TTL = 3600000 // 1 小时
+
+export async function getOidcClient() {
+  const now = Date.now()
+  if (oidcClient && (now - lastDiscovery) < DISCOVERY_TTL) {
+    return oidcClient
+  }
+
+  try {
+    const issuer = await Issuer.discover(AUTHELIA_URL)
+    oidcClient = new issuer.Client({
+      client_id: OIDC_CLIENT_ID,
+      client_secret: OIDC_CLIENT_SECRET,
+      redirect_uris: [OIDC_REDIRECT_URI],
+      response_types: ['code'],
+    })
+    lastDiscovery = now
+    return oidcClient
+  } catch (error) {
+    console.error('OIDC discovery 失败:', error)
+    throw error
+  }
+}
+
+export function generatePKCE() {
+  const codeVerifier = crypto.randomBytes(32).toString('base64url')
+  const codeChallenge = crypto.createHash('sha256').update(codeVerifier).digest('base64url')
+  return { codeVerifier, codeChallenge }
+}
+
+export function generateState() {
+  return crypto.randomBytes(32).toString('base64url')
+}
+
+export function generateNonce() {
+  return crypto.randomBytes(32).toString('base64url')
+}

src/middleware.ts

@@ -24,8 +24,18 @@ function noCache(response: NextResponse) {
 export function middleware(request: NextRequest) {
   const { pathname } = request.nextUrl
 
-  // 登录/设置密码/API 路径放行（API 路由自行验证）
+  // 登录页：已登录用户自动跳转首页
-  if (pathname === '/login' || pathname === '/setup-password' || pathname.startsWith('/api/auth/') || pathname.startsWith('/api/admin/')) {
+  if (pathname === '/login') {
+    const token = request.cookies.get('tlyq_session')?.value
+    const payload = token ? decodeJwtPayload(token) : null
+    if (isValidPayload(payload)) {
+      return NextResponse.redirect(new URL('/', request.url))
+    }
+    return NextResponse.next()
+  }
+
+  // 设置密码/API 路径放行（API 路由自行验证）
+  if (pathname === '/setup-password' || pathname.startsWith('/api/auth/') || pathname.startsWith('/api/admin/')) {
     return NextResponse.next()
   }
   // /admin 管理页面需要认证

tailwind.config.js

@@ -0,0 +1,7 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  darkMode: 'class',
+  content: ['./src/**/*.{js,ts,jsx,tsx,mdx}'],
+  theme: { extend: {} },
+  plugins: [],
+}