/* Your existing CSS styles here */
        :root {
            --primary: #0b5e2a;
            --primary-light: #29a220;
            --secondary: #2e7d32;
            --danger: #d32f2f;
            --warning: #f57c00;
            --info: #0288d1;
            --light: #f5f7fa;
            --dark: #2c3e50;
            --accent: #7e57c2;
            --accent-light: #8e67d2;
            --gray: #6c757d;
            --border: #e1e5e9;
            --bg: #f8f9fa;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--bg);
            overflow-x: hidden;
        }
        
        .admin-container {
            display: flex;
            min-height: 100vh;
        }
        
        /* Session Warning Modal Styles */
        #session-warning-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 9999;
        }
        
        .modal-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
        }
        
        .modal-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            border-radius: 12px;
            padding: 0;
            width: 90%;
            max-width: 500px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 2px solid var(--warning);
            animation: modalSlideIn 0.3s ease-out;
        }
        
        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translate(-50%, -60%);
            }
            to {
                opacity: 1;
                transform: translate(-50%, -50%);
            }
        }
        
        .modal-header {
            background: var(--warning);
            color: white;
            padding: 20px;
            border-radius: 10px 10px 0 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .modal-header h3 {
            margin: 0;
            font-size: 1.3rem;
        }
        
        .modal-header i {
            font-size: 1.5rem;
        }
        
        .modal-body {
            padding: 25px 20px;
        }
        
        .modal-body p {
            margin-bottom: 15px;
            line-height: 1.5;
            color: var(--dark);
        }
        
        #countdown-timer {
            font-weight: bold;
            color: var(--danger);
            font-size: 1.1em;
        }
        
        .countdown-bar {
            width: 100%;
            height: 8px;
            background: var(--border);
            border-radius: 4px;
            overflow: hidden;
            margin: 15px 0;
        }
        
        .countdown-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--warning) 0%, var(--danger) 100%);
            width: 100%;
            animation: countdownShrink 60s linear forwards;
        }
        
        @keyframes countdownShrink {
            from { width: 100%; }
            to { width: 0%; }
        }
        
        .modal-footer {
            padding: 15px 20px 20px;
            display: flex;
            gap: 10px;
            justify-content: flex-end;
            border-top: 1px solid var(--border);
        }
        
        .modal-footer .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background: var(--primary);
            color: white;
        }
        
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background: var(--gray);
            color: white;
        }
        
        .btn-secondary:hover {
            background: #5a6268;
            transform: translateY(-2px);
        }
        
        /* Session Timer Display */
        .session-timer {
            background: var(--dark);
            color: white;
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 5px;
            margin-left: 10px;
        }
        
        .session-timer.warning {
            background: var(--warning);
        }
        
        .session-timer.danger {
            background: var(--danger);
            animation: pulse 1s infinite;
        }
        
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        
        /* Security Notice */
        .security-notice {
            background: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: 8px;
            padding: 12px 15px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: #856404;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Sidebar Styles */
        .admin-sidebar {
            width: 260px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            color: white;
            position: fixed;
            height: 100vh;
            overflow-y: auto;
            box-shadow: 2px 0 10px rgba(0,0,0,0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .sidebar-header {
            padding: 20px 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            background: rgba(0,0,0,0.1);
            text-align: center;
        }
        
        .sidebar-header h2 {
            margin-bottom: 5px;
            font-size: 1.3rem;
            font-weight: 600;
        }
        
        .sidebar-header p {
            opacity: 0.9;
            font-size: 0.85rem;
            color: #e3f2fd;
        }
        
        .admin-badge {
            background: var(--accent);
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 0.65rem;
            margin-left: 5px;
            vertical-align: middle;
            font-weight: 600;
        }
        
        .sidebar-menu {
            list-style: none;
            padding: 15px 0;
            margin: 0;
        }
        
        .sidebar-menu li {
            margin: 0 10px 5px;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .sidebar-menu a {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            transition: all 0.3s;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 8px;
        }
        
        .sidebar-menu a:hover {
            background: rgba(255,255,255,0.15);
            color: white;
            transform: translateX(5px);
        }
        
        .sidebar-menu a.active {
            background: rgba(255,255,255,0.2);
            color: white;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .sidebar-menu i {
            margin-right: 12px;
            width: 20px;
            text-align: center;
            font-size: 1rem;
        }
        
        .admin-alert-badge {
            background: var(--danger);
            color: white;
            border-radius: 50%;
            padding: 2px 6px;
            font-size: 0.7rem;
            margin-left: auto;
            font-weight: bold;
            min-width: 20px;
            text-align: center;
        }
        
        /* Main Content Styles */
        .admin-main {
            flex: 1;
            margin-left: 260px;
            padding: 20px;
            min-height: 100vh;
            transition: all 0.3s ease;
        }
        
        .admin-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .admin-header h1 {
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0;
        }
        
        .admin-header h1 i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        
        .header-info {
            background: white;
            padding: 10px 15px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            font-size: 0.85rem;
            color: var(--gray);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 25px;
        }
        
        .stat-card {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 4px solid var(--primary);
            transition: all 0.3s;
        }
        
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        }
        
        .stat-card:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        
        .stat-card.warning {
            border-top-color: var(--warning);
        }
        
        .stat-card.danger {
            border-top-color: var(--danger);
        }
        
        .stat-card.accent {
            border-top-color: var(--accent);
        }
        
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }
        
        .stat-label {
            color: var(--gray);
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        /* Dashboard Grid */
        .dashboard-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 25px;
        }
        
        .dashboard-card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            border-left: 4px solid var(--primary);
            transition: all 0.3s;
        }
        
        .dashboard-card:hover {
            box-shadow: 0 6px 12px rgba(0,0,0,0.08);
        }
        
        .dashboard-card:focus-within {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        
        .card-header {
            margin-bottom: 15px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .card-header i {
            color: var(--accent);
        }
        
        /* Table Styles */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 10px;
        }
        
        .data-table th,
        .data-table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        
        .data-table th {
            background-color: var(--light);
            font-weight: 600;
            color: var(--dark);
            font-size: 0.9rem;
        }
        
        .data-table tr:hover {
            background-color: rgba(0,0,0,0.02);
        }
        
        .status-badge {
            padding: 4px 8px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        
        .status-active {
            background: #e8f5e9;
            color: var(--secondary);
        }
        
        .status-pending {
            background: #fff3e0;
            color: var(--warning);
        }
        
        .status-inactive {
            background: #ffebee;
            color: var(--danger);
        }
        
        .empty-state {
            text-align: center;
            padding: 30px;
            color: var(--gray);
        }
        
        .empty-state i {
            font-size: 2rem;
            margin-bottom: 10px;
            opacity: 0.5;
        }
        
        .view-all {
            text-align: center;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border);
        }
        
        .view-all a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        
        .view-all a:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }
        
        /* Quick Actions */
        .quick-actions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        
        .action-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px 15px;
            background: white;
            border: 1px solid var(--border);
            border-radius: 8px;
            text-decoration: none;
            color: var(--dark);
            transition: all 0.3s;
            text-align: center;
        }
        
        .action-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-color: var(--primary);
            color: var(--primary);
        }
        
        .action-btn i {
            font-size: 1.5rem;
            margin-bottom: 8px;
            color: var(--primary);
        }
        
        .action-btn span {
            font-size: 0.85rem;
            font-weight: 500;
        }
        
        /* Mobile Menu Toggle */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 15px;
            left: 15px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 6px;
            width: 40px;
            height: 40px;
            font-size: 1.2rem;
            z-index: 1100;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            cursor: pointer;
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .admin-sidebar {
                transform: translateX(-100%);
            }
            
            .admin-sidebar.active {
                transform: translateX(0);
            }
            
            .admin-main {
                margin-left: 0;
            }
            
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .admin-main {
                padding: 15px;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .admin-header {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .session-timer {
                margin-left: 0;
                margin-top: 10px;
            }
            
            .data-table {
                font-size: 0.85rem;
            }
            
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }