:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --sidebar-width: 250px;
            --sidebar-collapsed-width: 70px;
        }
        
        body {
            font-family: 'Arial', 'helvetica', sans-serif;
            background-color: #f5f7fa;
            overflow-x: hidden;
            cursor: pointer;
        }
        
        /* Sidebar Styles */
        .sidebar {
            height: 100vh;
            width: var(--sidebar-width);
            position: fixed;
            top: 0;
            left: 0;
            background-color: var(--primary-color);
            color: white;
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: 3px 0 10px rgba(0, 0, 0, 0.1);
        }
        
        .sidebar.collapsed {
            width: var(--sidebar-collapsed-width);
        }
        
        .sidebar-header {
            padding: 20px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(0, 0, 0, 0.2);
        }
        
        .sidebar-menu {
            padding: 15px 0;
        }
        
        .sidebar-menu .nav-link {
            color: rgba(255, 255, 255, 0.8);
            padding: 12px 20px;
            margin: 5px 10px;
            border-radius: 5px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            white-space: nowrap;
        }
        
        .sidebar-menu .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
        }
        
        .sidebar-menu .nav-link.active {
            background-color: var(--secondary-color);
            color: white;
        }
        
        .sidebar-menu .nav-link i {
            width: 25px;
            text-align: center;
            margin-right: 10px;
            transition: margin-right 0.3s;
        }
        
        .sidebar.collapsed .sidebar-menu .nav-link i {
            margin-right: 0;
        }
        
        .sidebar.collapsed .nav-link span:not(.badge) {
            display: none;
        }
        
        .sidebar.collapsed .sidebar-header h5 {
            display: none;
        }
        
        .badge {
            font-size: 0.7rem;
            padding: 4px 8px;
            margin-left: auto;
        }
        
        .sidebar.collapsed .badge {
            position: absolute;
            top: 8px;
            right: 8px;
            font-size: 0.6rem;
            padding: 2px 5px;
        }
        
        /* Main Content Styles */
        .main-content {
            margin-left: var(--sidebar-width);
            padding: 20px;
            transition: all 0.3s ease;
        }
        
        .main-content.expanded {
            margin-left: var(--sidebar-collapsed-width);
        }
        
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .toggle-sidebar {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }
        
        /* Dashboard Cards */
        .stats-card {
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
            margin-bottom: 20px;
            border-left: 4px solid var(--secondary-color);
        }
        
        .stats-card:hover {
            transform: translateY(-5px);
        }
        
        .stats-card.pending {
            border-left-color: #f39c12;
        }
        
        .stats-card.in-progress {
            border-left-color: #3498db;
        }
        
        .stats-card.resolved {
            border-left-color: #2ecc71;
        }
        
        .stats-card.rejected {
            border-left-color: #e74c3c;
        }
        
        .card-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        
        .stats-number {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
        }
        
        .stats-label {
            color: #6c757d;
            font-size: 0.9rem;
        }
        
        /* Recent Complaints Table */
        .recent-complaints {
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            margin-top: 20px;
        }
        
        .table th {
            border-top: none;
            font-weight: 600;
            color: var(--primary-color);
        }
        
        .status-badge {
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .status-pending {
            background-color: #fff3cd;
            color: #856404;
        }
        
        .status-in-progress {
            background-color: #d1ecf1;
            color: #0c5460;
        }
        
        .status-resolved {
            background-color: #d4edda;
            color: #155724;
        }
        
        .status-rejected {
            background-color: #f8d7da;
            color: #721c24;
        }
        
        /* Charts Container */
        .charts-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }
        
        .chart-card {
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .sidebar {
                width: var(--sidebar-collapsed-width);
            }
            
            .sidebar .nav-link span:not(.badge) {
                display: none;
            }
            
            .sidebar .sidebar-header h5 {
                display: none;
            }
            
            .main-content {
                margin-left: var(--sidebar-collapsed-width);
            }
            
            .charts-container {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .sidebar {
                width: 0;
            }
            
            .main-content {
                margin-left: 0;
            }
            
            .sidebar.mobile-open {
                width: var(--sidebar-width);
            }
            
            .sidebar.mobile-open .nav-link span:not(.badge) {
                display: inline;
            }
            
            .sidebar.mobile-open .sidebar-header h5 {
                display: block;
            }
        }
        
        /* Animation for page transitions */
        .page-content {
            animation: fadeIn 0.5s;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }