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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-container {
            background: white;
            border-radius: 10px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            padding: 40px;
            width: 100%;
            max-width: 500px;
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h1 {
            color: #333;
            font-size: 28px;
            margin-bottom: 10px;
        }

        .login-header p {
            color: #666;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e1e1e1;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
        }

        .login-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .login-btn:hover {
            transform: translateY(-2px);
        }

        .login-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .message {
            margin-top: 15px;
            padding: 12px;
            border-radius: 6px;
            text-align: center;
            font-size: 14px;
        }

        .message.success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .message.error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .message.info {
            background-color: #d1ecf1;
            color: #0c5460;
            border: 1px solid #b6d4d8;
        }

        .loading {
            display: none;
            text-align: center;
            margin-top: 15px;
        }

        .loading::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid #667eea;
            border-radius: 50%;
            border-top-color: transparent;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .demo-info {
            margin-top: 30px;
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 6px;
            border-left: 4px solid #667eea;
        }

        .demo-info h3 {
            color: #333;
            font-size: 14px;
            margin-bottom: 8px;
        }

        .demo-info p {
            color: #666;
            font-size: 13px;
            line-height: 1.4;
        }

        .dashboard {
            display: none;
            text-align: center;
        }

        .dashboard h2 {
            color: #333;
            margin-bottom: 20px;
        }

        .user-info {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            text-align: left;
        }

        .user-info h3 {
            color: #333;
            margin-bottom: 15px;
            font-size: 18px;
        }

        .user-info-item {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .user-info-item strong {
            color: #333;
            display: inline-block;
            min-width: 120px;
        }

        .department-info {
            background-color: #e3f2fd;
            padding: 15px;
            border-radius: 6px;
            margin-top: 15px;
            border-left: 4px solid #2196f3;
        }

        .department-info h4 {
            color: #1976d2;
            margin-bottom: 10px;
            font-size: 16px;
        }

        .permissions-list {
            margin-top: 10px;
        }

        .permission-tag {
            display: inline-block;
            background: #667eea;
            color: white;
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 11px;
            margin: 2px;
        }

        .no-department {
            color: #666;
            font-style: italic;
        }

        .logout-btn {
            padding: 10px 20px;
            background-color: #dc3545;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
        }

        .logout-btn:hover {
            background-color: #c82333;
        }

        .status-badge {
            display: inline-block;
            background: #28a745;
            color: white;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: 500;
        }

        .session-info {
            background-color: #fff3cd;
            padding: 10px;
            border-radius: 6px;
            margin-top: 10px;
            border-left: 4px solid #ffc107;
            font-size: 12px;
            color: #856404;
        }

        .session-restored {
            background-color: #d1ecf1;
            color: #0c5460;
            border-left: 4px solid #17a2b8;
        }

        .hidden {
            display: none;
        }