* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background: linear-gradient(135deg, #1a2a6c, #2a3a7c);
            color: white;
            padding: 30px 0;
            text-align: center;
            border-radius: 0 0 10px 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }
        
        .logo-icon {
            font-size: 2.5rem;
            margin-right: 15px;
        }
        
        /* Navigation Menu Styles */
        .main-nav {
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .nav-menu li {
            margin: 0;
        }
        
        .nav-menu a {
            display: block;
            padding: 15px 25px;
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: all 0.3s ease;
            border-bottom: 3px solid transparent;
        }
        
        .nav-menu a:hover {
            background-color: #f0f5ff;
            color: #1a2a6c;
            border-bottom: 3px solid #1a2a6c;
        }
        
        .nav-menu .current a {
            color: #1a2a6c;
            border-bottom: 3px solid #1a2a6c;
            background-color: #f0f5ff;
        }
        
        /* Responsive navigation */
        @media (max-width: 768px) {
            .nav-menu {
                flex-direction: column;
            }
            
            .nav-menu li {
                width: 100%;
                text-align: center;
            }
        }
        
        .professor-info {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .professor-avatar {
            font-size: 4rem;
        }
        
        .dashboard-section {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }
        
        .section-title {
            font-size: 1.5rem;
            color: #1a2a6c;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e7ff;
        }

        /* Contact Layout */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .contact-layout {
                grid-template-columns: 1fr;
            }
        }

        .contact-card {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            border-left: 4px solid #007bff;
            transition: all 0.3s ease;
            height: 100%;
        }

        .contact-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .contact-card h3 {
            color: #1a2a6c;
            margin-bottom: 20px;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-card h3 i {
            color: #007bff;
        }

        /* Contact Information */
        .contact-info {
            list-style-type: none;
        }

        .contact-info li {
            margin-bottom: 20px;
            padding: 15px;
            background: white;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s ease;
        }

        .contact-info li:hover {
            transform: translateX(5px);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: #007bff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }

        .contact-details {
            flex: 1;
        }

        .contact-label {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .contact-value {
            color: #666;
        }

        .contact-value a {
            color: #1a2a6c;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .contact-value a:hover {
            color: #007bff;
            text-decoration: underline;
        }

        /* Social Media */
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
            justify-content: center;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: #f8f9fa;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a2a6c;
            text-decoration: none;
            font-size: 1.3rem;
            transition: all 0.3s ease;
            border: 2px solid #e0e7ff;
        }

        .social-link:hover {
            background: #007bff;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        /* Workshop Section */
        .workshop-list {
            list-style-type: none;
        }

        .workshop-list li {
            margin-bottom: 15px;
            padding: 15px;
            background: white;
            border-radius: 8px;
            border-left: 4px solid #28a745;
            transition: all 0.3s ease;
        }

        .workshop-list li:hover {
            transform: translateX(5px);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }

        .workshop-title {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .workshop-status {
            font-size: 0.8rem;
            padding: 3px 8px;
            border-radius: 12px;
            background: #ffc107;
            color: #212529;
            font-weight: 600;
        }

        .status-upcoming {
            background: #17a2b8;
            color: white;
        }

        .status-completed {
            background: #6c757d;
            color: white;
        }

        /* Contact Form Link */
        .contact-form-link {
            display: block;
            text-align: center;
            background: linear-gradient(135deg, #1a2a6c, #2a3a7c);
            color: white;
            padding: 20px;
            border-radius: 10px;
            text-decoration: none;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: 3px solid transparent;
        }

        .contact-form-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            border-color: #007bff;
            background: linear-gradient(135deg, #2a3a7c, #3a4a8c);
        }

        .contact-form-link i {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .contact-form-link h3 {
            margin: 10px 0;
            font-size: 1.4rem;
        }

        .contact-form-link p {
            opacity: 0.9;
            font-size: 0.9rem;
        }

        /* Office Hours */
        .office-hours {
            background: #e7f3ff;
            padding: 20px;
            border-radius: 8px;
            margin-top: 20px;
            border-left: 4px solid #17a2b8;
        }

        .office-hours h4 {
            color: #1a2a6c;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hours-list {
            list-style-type: none;
        }

        .hours-list li {
            padding: 8px 0;
            border-bottom: 1px solid #d1ecf1;
            display: flex;
            justify-content: space-between;
        }

        .hours-list li:last-child {
            border-bottom: none;
        }

        .day {
            font-weight: 600;
            color: #2c3e50;
        }

        .time {
            color: #666;
        }

        footer {
            text-align: center;
            padding: 20px 0;
            margin-top: 40px;
            border-top: 1px solid #e0e7ff;
            color: #666;
            font-size: 0.9rem;
        }
        
        footer a {
            color: #1a2a6c;
            text-decoration: none;
            margin: 0 5px;
        }
        
        footer a:hover {
            text-decoration: underline;
        }

        /* Quick Actions */
        .quick-actions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .action-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            text-decoration: none;
            color: #333;
            transition: all 0.3s ease;
            border: 2px solid #e0e7ff;
        }

        .action-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-color: #007bff;
            color: #1a2a6c;
        }

        .action-card i {
            font-size: 2rem;
            color: #007bff;
            margin-bottom: 10px;
        }

        .action-card h4 {
            margin-bottom: 5px;
        }