<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>管理后台 | 码上即行</title>
    <link rel="preconnect" href="https://fonts.loli.net" crossorigin>
    <link href="https://fonts.loli.net/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
    <style>
        :root {
            --bg: #0a0a0a;
            --surface: #111111;
            --surface-hover: #1a1a1a;
            --border: #2a2a2a;
            --text: #ffffff;
            --text-muted: #888888;
            --accent: #00d4aa;
            --accent-dim: rgba(0, 212, 170, 0.1);
            --sidebar-width: 260px;
            --header-height: 64px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
        }

        /* Animations */
        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0; }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideIn {
            from { opacity: 0; transform: translateX(-10px); }
            to { opacity: 1; transform: translateX(0); }
        }

        /* Layout */
        .admin-layout {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar */
        .sidebar {
            width: var(--sidebar-width);
            background: var(--surface);
            border-right: 1px solid var(--border);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            display: flex;
            flex-direction: column;
            z-index: 100;
        }

        .sidebar-header {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border);
        }

        .sidebar-logo {
            font-family: 'JetBrains Mono', monospace;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-logo::before {
            content: '>';
            color: var(--text-muted);
        }

        .sidebar-logo::after {
            content: '_';
            animation: blink 1s infinite;
            color: var(--accent);
        }

        /* Navigation */
        .sidebar-nav {
            flex: 1;
            padding: 1rem 0;
            overflow-y: auto;
        }

        .nav-section {
            margin-bottom: 1.5rem;
        }

        .nav-section-title {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 0 1.5rem;
            margin-bottom: 0.5rem;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1.5rem;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.2s;
            border-left: 2px solid transparent;
        }

        .nav-item:hover,
        .nav-item.active {
            background: var(--accent-dim);
            color: var(--accent);
            border-left-color: var(--accent);
        }

        .nav-item-icon {
            width: 20px;
            text-align: center;
        }

        /* User section */
        .sidebar-footer {
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--border);
        }

        .user-card {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .user-avatar {
            width: 36px;
            height: 36px;
            background: var(--accent-dim);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .user-info {
            flex: 1;
        }

        .user-name {
            font-size: 0.875rem;
            font-weight: 500;
        }

        .user-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .logout-btn {
            padding: 0.5rem;
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.2s;
        }

        .logout-btn:hover {
            color: var(--accent);
            background: var(--accent-dim);
        }

        /* Main Content */
        .main {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
        }

        /* Header */
        .header {
            height: var(--header-height);
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 2rem;
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .header-title {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            gap: 0.75rem;
        }

        .btn {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent);
            border: none;
            color: var(--bg);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3);
        }

        .btn-secondary {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Content Area */
        .content {
            flex: 1;
            padding: 2rem;
            overflow-y: auto;
        }

        .content-header {
            margin-bottom: 2rem;
        }

        .content-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .content-subtitle {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.25rem;
            transition: all 0.3s;
        }

        .stat-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-family: 'JetBrains Mono', monospace;
        }

        .stat-value {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent);
        }

        /* Quick Actions */
        .quick-actions {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .action-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            text-decoration: none;
            color: inherit;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .action-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .action-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-dim);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .action-content {
            flex: 1;
        }

        .action-title {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .action-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Recent Activity */
        .activity-section {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
        }

        .section-title {
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .section-title::before {
            content: '//';
            color: var(--accent);
            font-family: 'JetBrains Mono', monospace;
        }

        .activity-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .activity-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.875rem;
            background: var(--bg);
            border-radius: 8px;
            transition: all 0.2s;
        }

        .activity-item:hover {
            background: var(--surface-hover);
        }

        .activity-icon {
            width: 36px;
            height: 36px;
            background: var(--accent-dim);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .activity-content {
            flex: 1;
        }

        .activity-text {
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
        }

        .activity-text a {
            color: var(--text);
            text-decoration: none;
        }

        .activity-text a:hover {
            color: var(--accent);
        }

        .activity-time {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-family: 'JetBrains Mono', monospace;
        }

        /* View All Link */
        .view-all-link {
            color: var(--accent);
            font-size: 0.875rem;
            text-decoration: none;
        }

        .view-all-link:hover {
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s;
            }
            
            .sidebar.open {
                transform: translateX(0);
            }
            
            .main {
                margin-left: 0;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .quick-actions {
                grid-template-columns: 1fr;
            }
        }
    </style>
</head>
<body>
    <div class="admin-layout">
        <!-- Sidebar -->
        <aside class="sidebar">
            <div class="sidebar-header">
                <a href="/sitemap.xml" class="sidebar-logo">Admin</a>
            </div>

            <nav class="sidebar-nav">
                <div class="nav-section">
                    <div class="nav-section-title">管理</div>
                    <a href="/sitemap.xml" class="nav-item active">
                        <span class="nav-item-icon">📊</span>
                        <span>概览</span>
                    </a>
                    <a href="/sitemap.xml/articles" class="nav-item">
                        <span class="nav-item-icon">📝</span>
                        <span>文章</span>
                    </a>
                    <a href="/sitemap.xml/article/edit" class="nav-item">
                        <span class="nav-item-icon">✏️</span>
                        <span>编辑器</span>
                    </a>
                </div>

                <div class="nav-section">
                    <div class="nav-section-title">分类</div>
                    <a href="/sitemap.xml/categories" class="nav-item">
                        <span class="nav-item-icon">🏷️</span>
                        <span>分类管理</span>
                    </a>
                    <a href="/sitemap.xml/tags" class="nav-item">
                        <span class="nav-item-icon">🔖</span>
                        <span>标签管理</span>
                    </a>
                    <a href="/sitemap.xml/series" class="nav-item">
                        <span class="nav-item-icon">📚</span>
                        <span>专辑管理</span>
                    </a>
                </div>

                <div class="nav-section">
                    <div class="nav-section-title">系统</div>
                    <a href="/sitemap.xml/settings" class="nav-item">
                        <span class="nav-item-icon">⚙️</span>
                        <span>设置</span>
                    </a>
                </div>
            </nav>

            <div class="sidebar-footer">
                <div class="user-card">
                    <div class="user-avatar">👤</div>
                    <div class="user-info">
                        <div class="user-name">管理员</div>
                        <div class="user-role">超级管理员</div>
                    </div>
                    <button class="logout-btn" onclick="logout()" title="退出登录">
                        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                            <path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4"></path>
                            <polyline points="16 17 21 12 16 7"></polyline>
                            <line x1="21" y1="12" x2="9" y2="12"></line>
                        </svg>
                    </button>
                </div>
            </div>
        </aside>

        <!-- Main Content -->
        <main class="main">
            <!-- Header -->
            <header class="header">
                <h1 class="header-title">概览</h1>
                <div class="header-actions">
                    <a href="/sitemap.xml/article/edit" class="btn btn-primary">
                        <span>+</span>
                        <span>新建文章</span>
                    </a>
                </div>
            </header>

            <!-- Content -->
            <div class="content">
                <div class="content-header">
                    <h2 class="content-title">欢迎回来</h2>
                    <p class="content-subtitle">这里是您的网站数据概览和快捷操作</p>
                </div>

                <!-- Stats -->
                <div class="stats-grid">
                    <div class="stat-card">
                        <div class="stat-label">ARTICLES</div>
                        <div class="stat-value">0</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-label">CATEGORIES</div>
                        <div class="stat-value">4</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-label">TAGS</div>
                        <div class="stat-value">8</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-label">SERIES</div>
                        <div class="stat-value">3</div>
                    </div>
                </div>

                <!-- Quick Actions -->
                <div class="quick-actions">
                    <a href="/sitemap.xml/article/edit" class="action-card">
                        <div class="action-icon">✏️</div>
                        <div class="action-content">
                            <div class="action-title">写文章</div>
                            <div class="action-desc">创建新文章或编辑现有内容</div>
                        </div>
                    </a>
                    <a href="/sitemap.xml/articles" class="action-card">
                        <div class="action-icon">📄</div>
                        <div class="action-content">
                            <div class="action-title">管理文章</div>
                            <div class="action-desc">查看、编辑或删除文章</div>
                        </div>
                    </a>
                    <a href="/sitemap.xml/categories" class="action-card">
                        <div class="action-icon">🏷️</div>
                        <div class="action-content">
                            <div class="action-title">分类标签</div>
                            <div class="action-desc">管理文章分类和标签</div>
                        </div>
                    </a>
                </div>

                <!-- Recent Activity -->
                <div class="activity-section">
                    <div class="section-header">
                        <h3 class="section-title">最近文章</h3>
                        <a href="/sitemap.xml/articles" class="view-all-link">查看全部 →</a>
                    </div>
                    <div class="activity-list">
                        
                        <div class="activity-item">
                            <div class="activity-icon">📭</div>
                            <div class="activity-content">
                                <div class="activity-text">暂无文章</div>
                                <div class="activity-time">开始创作您的第一篇文章吧</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </main>
    </div>

    <script>
        var adminPath = "sitemap.xml";

        // Logout function
        function logout() {
            fetch('/' + adminPath + '/logout', { method: 'GET' })
                .then(() => window.location.href = '/' + adminPath + '/login');
        }
    </script>
</body>
</html>
