:root {
            --bg-body: #f2f5f9;
            --bg-dashboard: #ffffff;
            --bg-card: #ffffff;
            --bg-card-header: #fafcff;
            --bg-upload: #f9fbfe;
            --bg-tab: #f0f4fb;
            --bg-tab-hover: #e4ebf5;
            --bg-tab-active: #1a5fb4;
            --bg-input: #ffffff;
            --bg-token: #f0f5fd;
            --bg-badge: #e8eff8;
            --bg-toast: #1f3a5f;
            --bg-status-normal: #d4edda;
            --bg-status-error: #f8d7da;
            --bg-status-unknown: #e2e3e5;
            --bg-search: #f3f7fd;
            --bg-pagination: #f0f4fb;
            --bg-pagination-hover: #e4ebf5;
            --bg-pagination-active: #1a5fb4;
            --bg-sidebar: #f8faff;
            --bg-sidebar-hover: #e8eff8;
            --bg-sidebar-active: #1a5fb4;
            --bg-modal: rgba(0,0,0,0.5);
            --bg-modal-content: #ffffff;
            
            --border-card: #e9edf4;
            --border-header: #eef2f8;
            --border-table: #e2eaf2;
            --border-row: #edf2f9;
            --border-upload: #d7e0eb;
            --border-upload-hover: #1a5fb4;
            --border-input: #d0d9e8;
            --border-search: #e2eaf5;
            --border-sidebar: #e9edf4;
            
            --text-primary: #0b1b33;
            --text-secondary: #142b44;
            --text-muted: #6f8aa8;
            --text-tab: #23456b;
            --text-tab-active: #ffffff;
            --text-table-header: #2e4b6e;
            --text-table-cell: #1a304a;
            --text-link: #1a5fb4;
            --text-token: #1f5eaf;
            --text-badge: #1f5eaf;
            --text-status-normal: #155724;
            --text-status-error: #721c24;
            --text-status-unknown: #383d41;
            --text-empty: #6a88aa;
            --text-sidebar: #23456b;
            --text-sidebar-active: #ffffff;
            
            --shadow-card: 0 4px 12px rgba(0,0,0,0.02);
            --shadow-dashboard: 0 20px 60px rgba(0,20,40,0.08);
            --shadow-sidebar: 0 4px 12px rgba(0,0,0,0.05);
            
            --icon-color: #2a7de1;
            --icon-muted: #6a88aa;
            --icon-sidebar: #6a88aa;
            
            --transition-speed: 0.3s;
            
            --sidebar-width: 200px;
        }

        [data-theme="dark"] {
            --bg-body: #1a1a2e;
            --bg-dashboard: #16213e;
            --bg-card: #1a1a2e;
            --bg-card-header: #0f3460;
            --bg-upload: #1a1a2e;
            --bg-tab: #0f3460;
            --bg-tab-hover: #1a3a6a;
            --bg-tab-active: #2a7de1;
            --bg-input: #0f3460;
            --bg-token: #0f3460;
            --bg-badge: #0f3460;
            --bg-toast: #0f3460;
            --bg-status-normal: #1a3a2a;
            --bg-status-error: #3a1a1a;
            --bg-status-unknown: #2a2a3a;
            --bg-search: #0f3460;
            --bg-pagination: #0f3460;
            --bg-pagination-hover: #1a3a6a;
            --bg-pagination-active: #2a7de1;
            --bg-sidebar: #0f3460;
            --bg-sidebar-hover: #1a3a6a;
            --bg-sidebar-active: #2a7de1;
            --bg-modal: rgba(0,0,0,0.7);
            --bg-modal-content: #16213e;
            
            --border-card: #2a3a5a;
            --border-header: #2a3a5a;
            --border-table: #2a3a5a;
            --border-row: #2a3a5a;
            --border-upload: #3a4a6a;
            --border-upload-hover: #2a7de1;
            --border-input: #3a4a6a;
            --border-search: #3a4a6a;
            --border-sidebar: #2a3a5a;
            
            --text-primary: #e8edf5;
            --text-secondary: #c8d4e8;
            --text-muted: #8aa0c8;
            --text-tab: #a0b8d8;
            --text-tab-active: #ffffff;
            --text-table-header: #a0b8d8;
            --text-table-cell: #c8d4e8;
            --text-link: #4a8ae0;
            --text-token: #4a8ae0;
            --text-badge: #4a8ae0;
            --text-status-normal: #8ad4a0;
            --text-status-error: #e87080;
            --text-status-unknown: #a0a0b8;
            --text-empty: #6a88aa;
            --text-sidebar: #a0b8d8;
            --text-sidebar-active: #ffffff;
            
            --shadow-card: 0 4px 12px rgba(0,0,0,0.4);
            --shadow-dashboard: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-sidebar: 0 4px 12px rgba(0,0,0,0.3);
            
            --icon-color: #4a8ae0;
            --icon-muted: #4a6a8a;
            --icon-sidebar: #4a6a8a;
            /* 点数系统暗色适配 */
            --bg-status-normal: #1a3a2a;
            --bg-status-error: #3a1a1a;
            --text-status-normal: #8ad4a0;
            --text-status-error: #e87080;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', system-ui, -apple-system, sans-serif; }
        
        body {
            background: var(--bg-body); 
            display: flex; 
            justify-content: center; 
            padding: 24px; 
            transition: background var(--transition-speed) ease;
            min-height: 100vh;
        }
        
        .app-container {
            max-width: 1440px;
            width: 100%;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        
        /* ===== 侧边栏 ===== */
        .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--bg-sidebar);
            border-radius: 24px;
            border: 1px solid var(--border-sidebar);
            padding: 16px 12px;
            box-shadow: var(--shadow-sidebar);
            transition: all var(--transition-speed) ease;
            position: sticky;
            top: 24px;
            max-height: calc(100vh - 48px);
            overflow-y: auto;
        }
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: var(--bg-tab);
            border-radius: 10px;
        }
        
        .sidebar-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 8px 12px 12px 12px;
            border-bottom: 1px solid var(--border-sidebar);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .sidebar-title .add-cat-btn {
            background: none;
            border: none;
            color: var(--icon-color);
            cursor: pointer;
            font-size: 14px;
            padding: 2px 6px;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .sidebar-title .add-cat-btn:hover {
            background: var(--bg-tab-hover);
        }
        
        .sidebar-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text-sidebar);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 2px;
            position: relative;
            user-select: none;
        }
        .sidebar-item:hover {
            background: var(--bg-sidebar-hover);
        }
        .sidebar-item.active {
            background: var(--bg-sidebar-active);
            color: var(--text-sidebar-active);
        }
        .sidebar-item .item-count {
            font-size: 11px;
            opacity: 0.6;
            font-weight: 400;
            margin-left: auto;
            margin-right: 6px;
        }
        .sidebar-item.active .item-count {
            opacity: 0.8;
        }
        .sidebar-item .item-actions {
            display: none;
            gap: 4px;
        }
        .sidebar-item:hover .item-actions {
            display: flex;
        }
        .sidebar-item .item-actions button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 11px;
            padding: 2px 4px;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .sidebar-item .item-actions button:hover {
            background: var(--bg-tab-hover);
            color: var(--text-primary);
        }
        .sidebar-item .item-actions .del-cat:hover {
            color: #dc3545;
        }
        
        /* 全部分类固定在顶部 */
        .sidebar-item.all-category {
            border-bottom: 1px solid var(--border-sidebar);
            margin-bottom: 8px;
            padding-bottom: 10px;
        }
        .sidebar-item.all-category:hover .item-actions {
            display: none !important;
        }

        .main-content {
            flex: 1;
            min-width: 0;
        }
        
        .dashboard { 
            width: 100%; 
            background: var(--bg-dashboard); 
            border-radius: 32px; 
            box-shadow: var(--shadow-dashboard); 
            padding: 32px 36px; 
            transition: all var(--transition-speed) ease;
        }
        
        .header { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            margin-bottom: 32px; 
            flex-wrap: wrap; 
            gap: 16px; 
        }
        
        .header h1 { 
            font-size: 24px; 
            font-weight: 600; 
            color: var(--text-primary); 
            display: flex; 
            align-items: center; 
            gap: 10px; 
            transition: color var(--transition-speed) ease;
        }
        
        .header h1 i { 
            color: var(--icon-color); 
            transition: color var(--transition-speed) ease;
        }
        
        .badge-version { 
            background: var(--bg-tab); 
            color: var(--text-token); 
            padding: 6px 14px; 
            border-radius: 40px; 
            font-size: 13px; 
            transition: all var(--transition-speed) ease;
        }
        
        .theme-toggle {
            background: var(--bg-tab);
            border: 1px solid var(--border-input);
            color: var(--text-primary);
            padding: 9px 16px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
        }
        .theme-toggle:hover {
            background: var(--bg-tab-hover);
            transform: scale(1.02);
        }
        .theme-toggle i {
            color: var(--icon-color);
            transition: color var(--transition-speed) ease;
        }

        .btn-primary { 
            background: #1a5fb4; 
            border: none; 
            color: white; 
            padding: 10px 20px; 
            border-radius: 40px; 
            font-weight: 500; 
            font-size: 14px; 
            display: inline-flex; 
            align-items: center; 
            gap: 8px; 
            cursor: pointer; 
            transition: all var(--transition-speed) ease;
        }
        .btn-primary:hover { 
            background: #154a8a; 
            transform: scale(1.02);
        }
        
        .btn-danger { 
            background: #dc3545; 
            border: none; 
            color: white; 
            padding: 10px 20px; 
            border-radius: 40px; 
            font-weight: 500; 
            font-size: 14px; 
            display: inline-flex; 
            align-items: center; 
            gap: 8px; 
            cursor: pointer; 
            box-shadow: 0 4px 10px rgba(220, 53, 69, 0.15); 
            transition: all var(--transition-speed) ease;
            border: 1px solid transparent; 
        }
        .btn-danger:hover { 
            background: #c82333;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(220, 53, 69, 0.3);
            border-color: #bd2130;
        }
        .btn-danger:active {
            transform: translateY(0px);
            box-shadow: 0 2px 8px rgba(220, 53, 69, 0.2);
        }
        
        .btn-outline { 
            background: transparent; 
            border: 1px solid var(--border-input); 
            color: var(--text-secondary); 
            padding: 9px 18px; 
            border-radius: 40px; 
            font-weight: 500; 
            font-size: 14px; 
            display: inline-flex; 
            align-items: center; 
            gap: 8px; 
            cursor: pointer; 
            transition: all var(--transition-speed) ease;
        }
        .btn-outline:hover { 
            background: var(--bg-tab-hover); 
            border-color: var(--border-upload-hover);
        }
        
        .btn-secondary-sm {
            background: var(--bg-tab);
            border: 1px solid var(--border-input);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-secondary-sm:hover {
            background: var(--bg-tab-hover);
        }

        .card { 
            background: var(--bg-card); 
            border-radius: 24px; 
            border: 1px solid var(--border-card); 
            overflow: hidden; 
            margin-bottom: 24px; 
            transition: all var(--transition-speed) ease;
            box-shadow: var(--shadow-card);
        }
        
        .card-header { 
            padding: 18px 24px; 
            border-bottom: 1px solid var(--border-header); 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            flex-wrap: wrap; 
            background: var(--bg-card-header); 
            transition: all var(--transition-speed) ease;
        }
        
        .card-header h3 { 
            font-weight: 600; 
            font-size: 17px; 
            color: var(--text-secondary); 
            display: flex; 
            align-items: center; 
            gap: 10px; 
            transition: color var(--transition-speed) ease;
        }
        
        .card-header h3 i { 
            color: var(--icon-color); 
            transition: color var(--transition-speed) ease;
        }
        
        .card-body { 
            padding: 20px 24px 24px; 
            transition: all var(--transition-speed) ease;
        }

        .upload-zone { 
            border: 2px dashed var(--border-upload); 
            border-radius: 20px; 
            padding: 28px 20px; 
            text-align: center; 
            background: var(--bg-upload); 
            cursor: pointer; 
            margin-bottom: 24px; 
            transition: all var(--transition-speed) ease;
        }
        .upload-zone i { 
            font-size: 32px; 
            color: var(--icon-muted); 
            display: block; 
            margin-bottom: 8px; 
            transition: color var(--transition-speed) ease;
        }
        .upload-zone p { 
            color: var(--text-secondary); 
            font-weight: 500; 
            transition: color var(--transition-speed) ease;
        }
        .upload-zone .browse { 
            color: var(--text-link); 
            font-weight: 600; 
        }
        .upload-zone.dragover { 
            border-color: var(--border-upload-hover); 
            background: var(--bg-tab-hover); 
        }

        .toolbar { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: space-between; 
            align-items: center; 
            gap: 16px; 
            margin-bottom: 20px; 
        }
        
        .group-display {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .group-display .group-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .group-display .group-badge {
            background: var(--bg-tab-active);
            color: var(--text-tab-active);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }
        .group-display .group-select {
            padding: 4px 10px;
            border-radius: 30px;
            border: 1px solid var(--border-input);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 13px;
            outline: none;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            min-width: 100px;
            height: 32px;
        }
        .group-display .group-select:focus {
            border-color: var(--border-upload-hover);
        }

        .search-filter { 
            display: flex; 
            align-items: center; 
            gap: 6px; 
            background: var(--bg-search); 
            padding: 4px 12px 4px 16px; 
            border-radius: 40px; 
            border: 1px solid var(--border-search); 
            transition: all var(--transition-speed) ease;
        }
        .search-filter i { 
            color: var(--icon-muted); 
            transition: color var(--transition-speed) ease;
        }
        .search-filter input { 
            border: none; 
            background: transparent; 
            padding: 8px 0; 
            font-size: 14px; 
            width: 160px; 
            outline: none; 
            color: var(--text-primary);
            transition: color var(--transition-speed) ease;
        }
        .search-filter input::placeholder {
            color: var(--text-muted);
        }

        .table-wrapper { 
            overflow-x: auto; 
        }
        
        .mail-table { 
            width: 100%; 
            border-collapse: collapse; 
            font-size: 14px; 
        }
        
        .mail-table th { 
            text-align: left; 
            padding: 14px 8px 12px 0; 
            font-weight: 600; 
            color: var(--text-table-header); 
            border-bottom: 1px solid var(--border-table); 
            font-size: 13px; 
            transition: all var(--transition-speed) ease;
        }
        
        .mail-table td { 
            padding: 14px 8px 14px 0; 
            border-bottom: 1px solid var(--border-row); 
            color: var(--text-table-cell); 
            vertical-align: middle; 
            transition: all var(--transition-speed) ease;
        }
        
        .mail-table tr:last-child td { 
            border-bottom: none; 
        }

        .password-cell {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .password-text {
            font-family: 'Courier New', monospace;
            font-size: 13px;
            color: var(--text-table-cell);
            transition: color var(--transition-speed) ease;
            min-width: 60px;
        }
        .password-toggle {
            background: none;
            border: none;
            color: var(--icon-muted);
            cursor: pointer;
            padding: 2px 4px;
            font-size: 14px;
            transition: all var(--transition-speed) ease;
            border-radius: 4px;
        }
        .password-toggle:hover {
            color: var(--icon-color);
            background: var(--bg-tab-hover);
            transform: scale(1.1);
        }
        .password-toggle.showing {
            color: var(--icon-color);
        }

        .action-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 6px;
            border: 1px solid var(--border-input);
            background: var(--bg-card);
            color: var(--text-table-cell);
            font-size: 12px;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            white-space: nowrap;
        }
        .action-btn i {
            font-size: 12px;
        }
        .action-btn:hover {
            background: var(--bg-tab-hover);
            border-color: var(--border-upload-hover);
            transform: scale(1.02);
        }
        .action-btn.fetch-btn:hover {
            background: #d4edda;
            border-color: #28a745;
            color: #155724;
        }
        .action-btn.read-btn:hover {
            background: #cce5ff;
            border-color: #007bff;
            color: #004085;
        }
        .action-btn.edit-btn:hover {
            background: #fff3cd;
            border-color: #ffc107;
            color: #856404;
        }
        .action-btn.copy-btn:hover {
            background: #cce5ff;
            border-color: #007bff;
            color: #004085;
        }
        .action-btn.delete-btn:hover {
            background: #f8d7da;
            border-color: #dc3545;
            color: #721c24;
        }
        .action-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        .col-actions {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .edit-input { 
            border: 1px solid var(--border-input); 
            border-radius: 6px; 
            padding: 4px 8px; 
            font-size: 13px; 
            width: 100%; 
            min-width: 60px; 
            background: var(--bg-input); 
            color: var(--text-primary);
            transition: all var(--transition-speed) ease;
        }
        .edit-input:focus { 
            border-color: var(--border-upload-hover); 
            outline: none; 
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.15);
        }

        .token-hint { 
            font-size: 12px; 
            background: var(--bg-token); 
            padding: 2px 10px; 
            border-radius: 30px; 
            color: var(--text-token); 
            font-weight: 500; 
            display: inline-block; 
            max-width: 100px; 
            overflow: hidden; 
            text-overflow: ellipsis; 
            white-space: nowrap; 
            transition: all var(--transition-speed) ease;
        }

        .status-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 600;
            margin-left: 6px;
        }
        .status-normal {
            background: var(--bg-status-normal);
            color: var(--text-status-normal);
            transition: all var(--transition-speed) ease;
        }
        .status-error {
            background: var(--bg-status-error);
            color: var(--text-status-error);
            transition: all var(--transition-speed) ease;
        }
        .status-unknown {
            background: var(--bg-status-unknown);
            color: var(--text-status-unknown);
            transition: all var(--transition-speed) ease;
        }

        .email-cell {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .email-link {
            color: var(--text-link);
            text-decoration: none;
            font-weight: 600;
            transition: color var(--transition-speed) ease;
        }
        .email-link:hover {
            text-decoration: underline;
        }

        .pagination {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-row);
            margin-top: 4px;
        }
        .pagination-info {
            color: var(--text-muted);
            font-size: 13px;
        }
        .pagination-controls {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .pagination-controls .page-btn,
        .pagination-controls .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition-speed) ease;
            border: 1px solid var(--border-input);
            background: var(--bg-card);
            cursor: pointer;
            user-select: none;
        }
        .pagination-controls .page-btn:hover:not(.disabled),
        .pagination-controls .page-num:hover:not(.active) {
            background: var(--bg-pagination-hover);
            border-color: var(--border-upload-hover);
        }
        .pagination-controls .page-num.active {
            background: var(--bg-pagination-active);
            color: var(--text-tab-active);
            border-color: var(--bg-pagination-active);
            cursor: default;
        }
        .pagination-controls .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }
        .pagination-controls .page-ellipsis {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            color: var(--text-muted);
            font-size: 14px;
            user-select: none;
        }
        .pagination-controls .per-page-select {
            padding: 4px 8px;
            border-radius: 6px;
            border: 1px solid var(--border-input);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 13px;
            cursor: pointer;
            outline: none;
            height: 36px;
        }
        .pagination-controls .per-page-select:focus {
            border-color: var(--border-upload-hover);
        }

        .toast { 
            position: fixed; 
            bottom: 30px; 
            left: 50%; 
            transform: translateX(-50%); 
            background: var(--bg-toast); 
            color: white; 
            padding: 12px 28px; 
            border-radius: 60px; 
            font-size: 14px; 
            box-shadow: var(--shadow-toast); 
            opacity: 0; 
            transition: opacity 0.3s; 
            pointer-events: none; 
            z-index: 999; 
        }
        .toast.show { 
            opacity: 1; 
        }

        .flex { 
            display: flex; 
            align-items: center; 
            gap: 8px; 
        }
        .gap-2 { 
            gap: 12px; 
        }
        .text-muted { 
            color: var(--text-muted); 
            transition: color var(--transition-speed) ease;
        }

        /* ===== 模态框 ===== */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-modal);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        .modal-overlay.active {
            display: flex;
        }
        .modal-content {
            background: var(--bg-modal-content);
            border-radius: 16px;
            padding: 32px;
            max-width: 520px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            transition: all var(--transition-speed) ease;
            border: 1px solid var(--border-card);
            position: relative;
        }
        .modal-content h3 {
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .modal-content h3 i {
            color: var(--icon-color);
        }
        .modal-content .form-group {
            margin-bottom: 14px;
        }
        .modal-content .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .modal-content .form-group input,
        .modal-content .form-group select {
            width: 100%;
            padding: 8px 12px;
            border: 1px solid var(--border-input);
            border-radius: 8px;
            font-size: 14px;
            background: var(--bg-input);
            color: var(--text-primary);
            outline: none;
            transition: border-color 0.2s;
        }
        .modal-content .form-group input:focus,
        .modal-content .form-group select:focus {
            border-color: var(--border-upload-hover);
        }
        .modal-content .form-group input:disabled {
            opacity: 0.6;
        }
        .modal-content .form-actions {
            display: flex;
            gap: 12px;
            justify-content: flex-end;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border-row);
        }
        .modal-close {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0 8px;
            position: absolute;
            top: 12px;
            right: 16px;
        }
        .modal-close:hover {
            color: var(--text-primary);
        }
        .modal-content .form-group .field-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        
        /* ============================================================
           点数系统样式
           ============================================================ */
        
        /* ---- 点数显示 ---- */
        .points-display {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 40px;
            background: var(--bg-tab);
            border: 1px solid var(--border-input);
            font-size: 13px;
            cursor: default;
            transition: all var(--transition-speed) ease;
            user-select: none;
            white-space: nowrap;
        }
        
        .points-display i {
            font-size: 14px;
        }
        
        .points-display .points-number {
            font-weight: 600;
            color: var(--text-primary);
            min-width: 20px;
            text-align: center;
        }
        
        .points-display .points-label {
            color: var(--text-muted);
            font-size: 11px;
        }
        
        /* 点数警告状态 */
        .points-display.warning {
            border-color: #f5b342;
            background: rgba(245, 179, 66, 0.1);
            animation: pointsPulse 1.5s ease-in-out infinite;
        }
        
        .points-display.danger {
            border-color: #dc3545;
            background: rgba(220, 53, 69, 0.1);
            animation: pointsPulse 1s ease-in-out infinite;
        }
        
        @keyframes pointsPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        
        /* ===== 点数状态颜色（增强版） ===== */
        .points-display.points-high {
            border-color: #4a8ae0;
            background: rgba(74, 138, 224, 0.08);
        }
        .points-display.points-high .points-number {
            color: #4a8ae0;
        }
        
        .points-display.points-low {
            border-color: #f5b342;
            background: rgba(245, 179, 66, 0.12);
            animation: pointsPulse 1.5s ease-in-out infinite;
        }
        .points-display.points-low .points-number {
            color: #f5b342;
            font-weight: 700;
        }
        
        .points-display.points-zero {
            border-color: #dc3545;
            background: rgba(220, 53, 69, 0.12);
            animation: pointsPulse 1s ease-in-out infinite;
        }
        .points-display.points-zero .points-number {
            color: #dc3545;
            font-weight: 700;
        }
        
        @keyframes pointsPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        
        /* ---- 充值按钮 ---- */
        .btn-recharge {
            background: none;
            border: none;
            color: var(--icon-color);
            cursor: pointer;
            font-size: 14px;
            padding: 0 4px;
            transition: all 0.2s ease;
            border-radius: 50%;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn-recharge:hover {
            color: #f5b342;
            transform: scale(1.15);
            background: rgba(245, 179, 66, 0.1);
        }
        
        .btn-recharge:active {
            transform: scale(0.9);
        }
        
        /* ---- 点数统计 ---- */
        .points-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 12px;
            margin-bottom: 16px;
        }
        
        .points-stat-item {
            padding: 12px 16px;
            border-radius: 12px;
            background: var(--bg-tab);
            border: 1px solid var(--border-input);
            text-align: center;
        }
        
        .points-stat-item .stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .points-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        
        .points-stat-item.stat-recharge .stat-value {
            color: #28a745;
        }
        
        .points-stat-item.stat-used .stat-value {
            color: #dc3545;
        }
        
        .points-stat-item.stat-balance .stat-value {
            color: var(--icon-color);
        }
        
        /* ---- 充值结果提示 ---- */
        .recharge-result {
            padding: 10px 14px;
            border-radius: 8px;
            margin-bottom: 12px;
            font-size: 14px;
            display: none;
        }
        
        .recharge-result.success {
            display: block;
            background: var(--bg-status-normal);
            color: var(--text-status-normal);
            border: 1px solid #b8e0b8;
        }
        
        .recharge-result.error {
            display: block;
            background: var(--bg-status-error);
            color: var(--text-status-error);
            border: 1px solid #f5c6c6;
        }
        
        /* ---- 充值模态框增强 ---- */
        #rechargeModal .modal-content {
            max-width: 420px;
        }
        
        #rechargeModal .form-group .field-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        
        #rechargeModal #rechargeCode {
            font-family: 'Courier New', monospace;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        
        #rechargeModal #rechargeCode:focus {
            border-color: var(--border-upload-hover);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.15);
        }
        
        #rechargeModal #rechargeCode.error {
            border-color: #dc3545;
            box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
        }
        
        /* ---- 取件按钮点数提示 ---- */
        .fetch-btn .points-cost {
            font-size: 10px;
            opacity: 0.7;
            margin-left: 2px;
        }
        
        .fetch-btn .points-cost.free {
            color: #28a745;
        }
        
        .fetch-btn .points-cost.paid {
            color: #f5b342;
        }
        
        /* ---- 点数不足提示 ---- */
        .points-insufficient {
            color: #dc3545;
            font-size: 12px;
            display: none;
        }
        
        .points-insufficient.show {
            display: block;
        }
        
        /* ---- 响应式适配 ---- */
        @media (max-width: 768px) {
            .points-display {
                padding: 3px 10px;
                font-size: 12px;
                gap: 4px;
            }
            
            .points-display i {
                font-size: 12px;
            }
            
            .btn-recharge {
                width: 20px;
                height: 20px;
                font-size: 12px;
            }
            
            .points-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            
            .points-stat-item {
                padding: 8px 12px;
            }
            
            .points-stat-item .stat-value {
                font-size: 18px;
            }
        }
        
        @media (max-width: 480px) {
            .points-display .points-label {
                display: none;
            }
            
            .points-stats {
                grid-template-columns: 1fr 1fr;
            }
        }


        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .app-container {
                flex-direction: column;
            }
            .sidebar {
                width: 100%;
                min-width: unset;
                position: static;
                max-height: none;
                display: flex;
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 4px;
            }
            .sidebar-title {
                width: 100%;
                margin-bottom: 4px;
                border-bottom: none;
                padding-bottom: 4px;
            }
            .sidebar-item {
                padding: 4px 12px;
                font-size: 12px;
                margin-bottom: 0;
            }
            .sidebar-item .item-actions {
                display: flex !important;
            }
            .sidebar-item .item-actions button {
                font-size: 10px;
            }
            :root {
                --sidebar-width: auto;
            }
            .sidebar-item.all-category {
                border-bottom: none;
                margin-bottom: 0;
                padding-bottom: 4px;
            }
        }
        @media (max-width: 768px) { 
            .dashboard { padding: 16px; } 
            .header { flex-direction: column; align-items: flex-start; }
            .header .flex { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
            .theme-toggle { font-size: 12px; padding: 6px 12px; }
            .btn-primary, .btn-danger, .btn-outline { font-size: 12px; padding: 6px 14px; }
            .action-btn { font-size: 11px; padding: 3px 8px; }
            .pagination { flex-direction: column; align-items: stretch; }
            .pagination-controls { justify-content: center; flex-wrap: wrap; }
            .pagination-info { text-align: center; }
            .password-text { font-size: 12px; min-width: 40px; }
            .modal-content { padding: 20px; margin: 10px; }
            .col-actions { gap: 4px; }
            .sidebar { padding: 8px 12px; }
            .toolbar { flex-direction: column; align-items: stretch; }
            .group-display { justify-content: center; }
            .search-filter { justify-content: center; }
        }
        
        /* ===== 添加分组按钮 ===== */
.add-group-input-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.add-group-input {
    padding: 4px 10px;
    border: 1px solid var(--border-upload-hover);
    border-radius: 20px;
    font-size: 13px;
    height: 32px;
    background: var(--bg-input);
    color: var(--text-primary);
    outline: none;
    width: 120px;
    transition: all var(--transition-speed) ease;
}
.add-group-input:focus {
    border-color: var(--border-upload-hover);
    box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.15);
}

.btn-confirm-group {
    background: #28a745;
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 12px;
}
.btn-confirm-group:hover {
    background: #218838;
    transform: scale(1.05);
}

.btn-cancel-group {
    background: var(--bg-tab);
    border: 1px solid var(--border-input);
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 12px;
}
.btn-cancel-group:hover {
    background: var(--bg-tab-hover);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .add-group-input {
        width: 80px;
        font-size: 12px;
    }
    .btn-add-group {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

/* ===== 分组操作按钮 ===== */
.btn-group-action {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    height: 32px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-input);
    background: var(--bg-tab);
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}
.btn-group-action i {
    font-size: 12px;
}
.btn-group-action:hover {
    background: var(--bg-tab-hover);
    transform: scale(1.02);
}

.btn-add-group {
    color: #28a745;
    border-color: #28a745;
    background: rgba(40, 167, 69, 0.08);
}
.btn-add-group:hover {
    background: #28a745;
    color: #fff;
}

.btn-delete-group {
    color: #dc3545;
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.08);
}
.btn-delete-group:hover {
    background: #dc3545;
    color: #fff;
}
.btn-delete-group:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}
.btn-delete-group:disabled:hover {
    background: rgba(220, 53, 69, 0.08);
    color: #dc3545;
}
/* ===== 导航栏 ===== */
.nav-bar {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-card);
    padding: 4px 6px;
    margin-bottom: 20px;
    overflow-x: auto;
    box-shadow: var(--shadow-card);
}
.nav-items {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
}
.nav-item {
    padding: 8px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
    user-select: none;
}
.nav-item:hover {
    background: var(--bg-tab-hover);
    color: var(--text-secondary);
}
.nav-item.active {
    background: var(--bg-tab-active);
    color: var(--text-tab-active);
}
.nav-item.active:hover {
    background: var(--bg-tab-active);
    opacity: 0.9;
}

/* ===== 压缩的上传区域 ===== */
.upload-zone.compact {
    padding: 14px 20px;
    margin-bottom: 20px;
}
.upload-zone.compact i {
    font-size: 24px;
    margin-bottom: 4px;
}
.upload-zone.compact p {
    font-size: 14px;
}
.upload-zone.compact span {
    font-size: 12px;
}
.upload-zone.compact .browse {
    font-weight: 600;
}

/*====================================================*/
/* ===== 一键导出按钮 ===== */
.btn-export {
    background: #28a745;
    border: none;
    color: white;
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.15);
    border: 1px solid transparent;
}
.btn-export:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.3);
    border-color: #1e7e34;
}
.btn-export:active {
    transform: translateY(0px);
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2);
}
.btn-export:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}
    
    /* ===== 上传区域 ===== */
.upload-zone { 
    border: 2px dashed var(--border-upload); 
    border-radius: 20px; 
    padding: 28px 20px; 
    text-align: center; 
    background: var(--bg-upload); 
    cursor: pointer; 
    margin-bottom: 24px; 
    transition: all var(--transition-speed) ease;
}
.upload-zone i { 
    font-size: 32px; 
    color: var(--icon-muted); 
    display: block; 
    margin-bottom: 8px; 
    transition: color var(--transition-speed) ease;
}
.upload-zone p { 
    color: var(--text-secondary); 
    font-weight: 500; 
    transition: color var(--transition-speed) ease;
}
.upload-zone span { 
    color: var(--text-muted); 
    transition: color var(--transition-speed) ease;
}
.upload-zone .browse { 
    color: var(--text-link); 
    font-weight: 600; 
}
.upload-zone strong { 
    color: var(--text-primary); 
    transition: color var(--transition-speed) ease;
}
.upload-zone.dragover { 
    border-color: var(--border-upload-hover); 
    background: var(--bg-tab-hover); 
}