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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f5f5f5;
        }

        /* Desktop Navigation Bar */
        .desktop-nav {
            background-color: #2196F3;
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .desktop-nav .brand {
            color: white;
            font-size: 16px;
            font-weight: bold;
        }

        .desktop-nav .nav-items {
            display: flex;
            gap: 8px;
        }

        .nav-item {
            padding: 6px 12px;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: bold;
            font-size: 14px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .nav-item:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .nav-item.active {
            background-color: white;
            color: #2196F3;
        }

        /* Mobile App Bar */
        .mobile-app-bar {
            background-color: #2196F3;
            padding: 12px 16px;
            color: white;
            font-weight: bold;
            display: none;
        }

        /* Content Area */
        .content-area {
            padding: 8px;
            min-height: calc(100vh - 60px);
        }

        .page-content {
            display: none;
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .page-content.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        /* Enhanced Navigation Styles */
        .nav-item {
            position: relative;
            overflow: hidden;
        }

        .nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .nav-item:hover::before {
            left: 100%;
        }

        .bottom-nav-item {
            position: relative;
            transition: all 0.3s ease;
        }

        .bottom-nav-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: #2196F3;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .bottom-nav-item.active::after {
            width: 60%;
        }

        /* HelpdoTab specific styles when loaded in Mainpage */
        .page-content .helpdo-tabs {
            max-width: 600px;
            margin: 30px auto;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
            overflow: hidden;
            height: auto;
            min-height: auto;
        }

        .page-content .helpdo-tabs .tab-content {
            padding: 32px 24px;
        }

        /* Desktop responsive design for HelpdoTab */
        @media (min-width: 769px) {
            .page-content .helpdo-tabs {
                display: flex;
                max-width: 1000px;
                min-height: 500px;
                background: #fff;
                border-radius: 14px;
                box-shadow: 0 4px 24px rgba(0,0,0,0.08);
                overflow: hidden;
                height: 600px;
            }
            
            .page-content .helpdo-tabs .tab-header {
                flex-direction: column;
                min-width: 200px;
                max-width: 220px;
                border-bottom: none;
                border-right: 2px solid #e0e0e0;
                background: #f5f7fa;
                align-items: stretch;
                justify-content: flex-start;
                padding: 24px 0 24px 0;
                gap: 0;
                height: 100%;
                position: sticky;
                top: 0;
                left: 0;
                z-index: 2;
            }
            
            .page-content .helpdo-tabs .tab-btn {
                border-bottom: none;
                border-right: 3px solid transparent;
                border-radius: 0;
                text-align: left;
                padding: 18px 24px;
                font-size: 1.08rem;
                border-left: none;
                border-top: none;
                border-bottom: none;
                background: none;
                color: #666;
                transition: border 0.2s, color 0.2s, background 0.2s;
                width: 100%;
                min-width: 0;
                box-sizing: border-box;
            }
            
            .page-content .helpdo-tabs .tab-btn.active {
                color: #2196F3;
                border-right: 3px solid #2196F3;
                background: #f8f9fa;
            }
            
            .page-content .helpdo-tabs .tab-content {
                flex: 1;
                padding: 24px 18px;
                min-width: 0;
                overflow-y: auto;
                height: 100%;
                background: #fff;
                border-radius: 0 14px 14px 0;
            }
        }

        /* Mobile responsive design for HelpdoTab */
        @media (max-width: 768px) {
            .page-content .helpdo-tabs {
                flex-direction: column;
                max-width: 600px;
                margin: 10px;
                min-height: calc(100vh - 160px);
            }
            
            .page-content .helpdo-tabs .tab-header {
                flex-direction: row;
                border-bottom: 2px solid #e0e0e0;
                border-right: none;
                padding: 0;
            }
            
            .page-content .helpdo-tabs .tab-btn {
                flex: 1;
                padding: 16px 0;
                border-bottom: 3px solid transparent;
                border-right: none;
                font-size: 1.1rem;
                text-align: center;
            }
            
            .page-content .helpdo-tabs .tab-btn.active {
                color: #2196F3;
                border-bottom: 3px solid #2196F3;
                background: #f8f9fa;
            }
            
            .page-content .helpdo-tabs .tab-content {
                padding: 14px 6px;
            }
            
            /* Ensure iframes are responsive on mobile */
            .page-content .helpdo-tabs iframe {
                width: 100% !important;
                height: 800px !important;
                border-radius: 8px !important;
            }
        }

        /* Bottom Navigation Bar (Mobile) */
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: white;
            display: flex;
            justify-content: space-around;
            padding: 8px 0;
            box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
            display: none;
        }

        .bottom-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 8px;
            color: #666;
            text-decoration: none;
            font-size: 12px;
            transition: color 0.3s ease;
        }

        .bottom-nav-item.active {
            color: #2196F3;
        }

        .bottom-nav-item i {
            font-size: 20px;
            margin-bottom: 4px;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            
            .mobile-app-bar {
                display: block;
            }
            
            .bottom-nav {
                display: flex;
            }
            
            .content-area {
                padding-bottom: 80px; /* Space for bottom nav */
            }
        }

        /* Add improved mobile responsiveness */
        @media (max-width: 600px) {
          .desktop-nav {
            display: none !important;
          }
          .mobile-app-bar {
            display: flex !important;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            font-size: 1.1rem;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: #2196F3;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            height: 48px;
          }
          .mobile-app-bar img {
            height: 28px !important;
            margin-right: 10px;
          }
          .content-area {
            padding: 8px 2px 80px 2px !important;
            margin-top: 48px !important;
          }
          .page-content {
            padding: 10px 2px !important;
            margin: 4px 0 !important;
            border-radius: 8px;
          }
          .bottom-nav {
            display: flex !important;
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            box-shadow: 0 -2px 8px rgba(0,0,0,0.08);
            z-index: 100;
            height: 56px;
            align-items: center;
            justify-content: space-around;
            padding: 0;
          }
          .bottom-nav-item {
            flex: 1;
            text-align: center;
            font-size: 0.95rem;
            padding: 0;
            color: #666;
            background: none;
            border: none;
            outline: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 56px;
            transition: color 0.2s;
          }
          .bottom-nav-item.active {
            color: #2196F3;
            font-weight: 600;
          }
          .bottom-nav-item i {
            font-size: 22px;
            margin-bottom: 2px;
          }
          .user-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            padding: 12px 6px;
          }
          .user-info {
            flex-direction: row;
            gap: 10px;
          }
          .user-img {
            width: 40px;
            height: 40px;
            font-size: 1rem;
            margin-right: 8px;
          }
          .user-details {
            min-width: 0;
          }
          .profile-card, .feature-card {
            padding: 12px 6px !important;
            margin-bottom: 10px !important;
          }
          .profile-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 10px;
          }
          .profile-avatar {
            width: 40px;
            height: 40px;
            font-size: 1rem;
            margin-right: 0;
            margin-bottom: 6px;
          }
          .action-buttons {
            flex-direction: column;
            gap: 8px;
          }
          .btn {
            width: 100%;
            justify-content: center;
            font-size: 1rem;
            padding: 10px 0;
          }
        }

        /* Page Content Styles */
        .page-title {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 16px;
            color: #333;
        }

        .page-description {
            color: #666;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .feature-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #2196F3;
        }

        .feature-card h3 {
            color: #2196F3;
            margin-bottom: 8px;
        }

        .profile-card {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 16px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .profile-header {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }

        .profile-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #2196F3;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            margin-right: 16px;
        }

        .profile-info h3 {
            margin-bottom: 4px;
            color: #333;
        }

        .profile-info p {
            color: #666;
            font-size: 14px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .user-list {
            list-style: none;
            padding: 0;
        }
        .user-item {
            margin-bottom: 12px;
            padding: 16px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .user-item:hover {
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            border-color: #2196F3;
        }
        .user-info {
            display: flex;
            align-items: center;
            flex: 1;
        }
        .user-img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #2196F3;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 16px;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .user-details {
            flex: 1;
        }
        .user-name {
            font-weight: bold;
            font-size: 1.1rem;
            color: #222;
            margin-bottom: 4px;
        }
        .user-work {
            color: #2196F3;
            font-size: 0.9rem;
            margin-bottom: 2px;
        }
        .user-location {
            color: #666;
            font-size: 0.8rem;
        }
        .user-experience {
            color: #888;
            font-size: 0.8rem;
        }
        .view-btn {
            background: #2196F3;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .view-btn:hover {
            background: #1976D2;
        }
        .loading, .error {
            text-align: center;
            color: #888;
            margin: 30px 0;
            font-size: 1.1rem;
        }
        .error {
            color: #d32f2f;
        }
        .loading-profiles {
            text-align: center;
            padding: 40px;
            color: #666;
        }
        .loading-profiles .spinner {
            display: inline-block;
            width: 30px;
            height: 30px;
            border: 3px solid #f3f3f3;
            border-top: 3px solid #2196F3;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 10px;
        }
        .contact-time {
            font-size: 0.8rem;
            color: #666;
            margin-top: 4px;
        }
        .no-users {
            text-align: center;
            color: #666;
            margin: 40px 0;
            font-size: 1.1rem;
        }
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid #f3f3f3;
            border-top: 3px solid #2196F3;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 10px;
        }
        .loading-text {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        /* Enhanced Account Tab Styles */
        .account-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding: 20px;
            background: linear-gradient(135deg, #2196F3 0%, #21CBF3 100%);
            border-radius: 16px;
            color: white;
        }

        .account-welcome h1 {
            font-size: 2rem;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .account-welcome p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin: 0;
        }

        .account-avatar {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .avatar-circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: bold;
            border: 3px solid rgba(255, 255, 255, 0.3);
        }

        .account-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .account-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .account-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .card-header {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 20px;
            border-bottom: 1px solid #dee2e6;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .card-header i {
            color: #2196F3;
            font-size: 1.2rem;
        }

        .card-header h3 {
            margin: 0;
            color: #495057;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .card-content {
            padding: 20px;
        }

        .info-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid #f1f3f4;
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-label {
            color: #6c757d;
            font-weight: 500;
        }

        .info-value {
            color: #495057;
            font-weight: 600;
        }

        .account-btn {
            width: 100%;
            padding: 12px;
            margin-bottom: 10px;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            background: #f8f9fa;
            color: #495057;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }

        .account-btn:hover {
            background: #e9ecef;
            border-color: #2196F3;
            color: #2196F3;
            transform: translateX(5px);
        }

        .account-btn i {
            font-size: 1rem;
        }

        .account-actions {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid #dee2e6;
        }

        /* Legacy Profile Tab Styles - Keep for backward compatibility */
        .profile-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }

        .user-header {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }

        .user-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #2196F3;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 2rem;
            margin-right: 20px;
        }

        .user-info h2 {
            font-size: 1.8rem;
            color: #333;
            margin-bottom: 5px;
        }

        .user-info p {
            color: #666;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .user-info .work-place {
            color: #2196F3;
            font-weight: 600;
        }

        .profile-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .info-section {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
        }

        .info-section h3 {
            color: #2196F3;
            margin-bottom: 15px;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }

        .info-item:last-child {
            border-bottom: none;
        }

        .info-label {
            color: #666;
            font-weight: 500;
        }

        .info-value {
            color: #333;
            font-weight: 600;
        }

        .action-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: #2196F3;
            color: white;
        }

        .btn-primary:hover {
            background: #1976D2;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: #f5f5f5;
            color: #333;
            border: 1px solid #ddd;
        }

        .btn-secondary:hover {
            background: #e0e0e0;
        }

        .btn-danger {
            background: #dc3545;
            color: white;
        }

        .btn-danger:hover {
            background: #c82333;
        }

        .loading {
            text-align: center;
            padding: 40px;
        }

        .spinner {
            display: inline-block;
            width: 50px;
            height: 50px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #2196F3;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        /* Mobile responsiveness for new account interface */
        @media (max-width: 768px) {
            .account-header {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }

            .account-welcome h1 {
                font-size: 1.5rem;
            }

            .account-welcome p {
                font-size: 1rem;
            }

            .avatar-circle {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }

            .account-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .account-card {
                margin: 0;
            }

            .card-header {
                padding: 15px;
            }

            .card-header h3 {
                font-size: 1rem;
            }

            .card-content {
                padding: 15px;
            }

            .account-btn {
                padding: 10px;
                font-size: 0.9rem;
            }

            .account-actions {
                flex-direction: column;
                gap: 10px;
            }

            .account-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* Legacy mobile styles */
        @media (max-width: 768px) {
            .user-header {
                flex-direction: column;
                text-align: center;
            }

            .user-avatar {
                margin-right: 0;
                margin-bottom: 15px;
            }

            .action-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        
        /* Rating Container Styles (same as ProfileListing) */
        .rating-container {
            display: flex;
            align-items: center;
            gap: 5px;
            margin-top: 5px;
        }
        
        .rating-stars {
            color: #FFD700;
            font-size: 0.9rem;
        }
        
        .rating-text {
            color: #666;
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .review-count {
            color: #999;
            font-size: 0.75rem;
        }