/* Reset and base styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding-bottom: 60px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* Header styles */
        header {
            background: linear-gradient(90deg, #1a2a6c, #b21f1f);
            color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: bold;
        }
        
        .logo i {
            margin-right: 10px;
            color: #ffcc00;
        }
        
        .logo a {
            color: white;
            text-decoration: none;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin-left: 25px;
        }
        
        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 12px;
            border-radius: 4px;
        }
        
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        .dropdown {
            position: relative;
        }
        
        .dropdown-content {
            display: none;
            position: absolute;
            background: white;
            min-width: 200px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            border-radius: 4px;
            z-index: 1;
            top: 100%;
            left: 0;
        }
        
        .dropdown-content a {
            color: #333;
            padding: 12px 16px;
            display: block;
            text-decoration: none;
        }
        
        .dropdown-content a:hover {
            background: #f1f1f1;
        }
        
        .dropdown:hover .dropdown-content {
            display: block;
        }
        
        /* Page content */
        .page-content {
            background: white;
            border-radius: 10px;
            padding: 30px;
            margin-top: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            min-height: 70vh;
        }
        
        .page-title {
            text-align: center;
            margin-bottom: 25px;
            color: #1a2a6c;
            font-size: 32px;
        }
        
        .text-center {
            text-align: center;
        }
        
        /* Quiz grid */
        .quiz-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        
        .quiz-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .quiz-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }
        
        .quiz-image {
            background: linear-gradient(90deg, #1a2a6c, #b21f1f);
            height: 120px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .quiz-image i {
            font-size: 48px;
            color: white;
        }
        
        .quiz-content {
            padding: 20px;
        }
        
        .quiz-title {
            font-size: 20px;
            margin-bottom: 10px;
            color: #1a2a6c;
        }
        
        .quiz-meta {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
            color: #666;
            font-size: 14px;
        }
        
        /* Buttons */
        .btn {
            background: linear-gradient(90deg, #1a2a6c, #b21f1f);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            font-size: 16px;
            transition: all 0.3s;
            display: inline-block;
            text-align: center;
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid #1a2a6c;
            color: #1a2a6c;
        }
        
        .btn-outline:hover {
            background: #1a2a6c;
            color: white;
        }
        
        .load-more {
            text-align: center;
            margin: 30px 0;
        }
        
        /* Quiz instruction page */
        .instruction-container {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 30px;
            margin-top: 20px;
            border-left: 5px solid #1a2a6c;
        }
        
        .instruction-header {
            text-align: center;
            margin-bottom: 25px;
        }
        
        .instruction-list {
            margin: 20px 0;
            padding-left: 20px;
        }
        
        .instruction-list li {
            margin-bottom: 12px;
        }
        
        .highlight {
            font-weight: bold;
            color: #1a2a6c;
        }
        
        /* Quiz page */
        .quiz-container {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            margin-top: 20px;
        }
        
        .question-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid #ddd;
        }
        
        .question-count {
            font-weight: bold;
            font-size: 18px;
        }
        
        .timer {
            font-weight: bold;
            font-size: 18px;
            color: #b21f1f;
        }
        
        .question-text {
            font-size: 20px;
            margin-bottom: 25px;
            line-height: 1.5;
        }
        
        .options-container {
            margin-bottom: 30px;
        }
        
        .option {
            background: white;
            padding: 15px;
            margin-bottom: 12px;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.2s;
            border: 2px solid #e9ecef;
        }
        
        .option:hover {
            border-color: #1a2a6c;
        }
        
        .option.selected {
            border-color: #1a2a6c;
            background: rgba(26, 42, 108, 0.05);
        }
        
        .option input {
            margin-right: 10px;
        }
        
        .quiz-controls {
            display: flex;
            justify-content: space-between;
        }
        
        /* Result page */
        .result-container {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 30px;
            margin-top: 20px;
        }
        
        .score-container {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .score-circle {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a2a6c, #b21f1f);
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 24px;
            font-weight: bold;
            margin: 0 auto 20px;
            border: 5px solid #ffcc00;
        }
        
        .score-text {
            font-size: 22px;
            margin-bottom: 15px;
            color: #1a2a6c;
        }
        
        .result-details {
            margin: 30px 0;
        }
        
        .result-item {
            background: white;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .question-info {
            flex: 1;
        }
        
        .status {
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            color: white;
        }
        
        .correct {
            background: #28a745;
        }
        
        .incorrect {
            background: #dc3545;
        }
        
        .correct-answer {
            color: #28a745;
            font-weight: bold;
            margin-top: 8px;
        }
        
        .wrong-answer {
            color: #dc3545;
            font-weight: bold;
        }
        
        .share-section {
            text-align: center;
            margin: 30px 0;
            padding: 25px;
            background: white;
            border-radius: 10px;
        }
        
        .share-title {
            font-size: 20px;
            margin-bottom: 20px;
            color: #1a2a6c;
        }
        
        .share-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .share-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 20px;
            color: white;
            cursor: pointer;
            transition: transform 0.3s;
        }
        
        .share-btn:hover {
            transform: translateY(-5px);
        }
        
        .facebook {
            background: #3b5998;
        }
        
        .twitter {
            background: #1da1f2;
        }
        
        .whatsapp {
            background: #25d366;
        }
        
        .linkedin {
            background: #0077b5;
        }
        
        .pdf-btn {
            display: block;
            margin: 0 auto 30px;
            width: 300px;
        }
        
        .pdf-btn i {
            margin-right: 10px;
        }
        
        .related-title {
            text-align: center;
            margin: 30px 0;
            color: #1a2a6c;
        }
        
        /* SEO section */
        .seo-section {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin-top: 40px;
            border-left: 5px solid #ffcc00;
        }
        
        .seo-section h2, .seo-section h3 {
            color: #1a2a6c;
            margin-bottom: 15px;
        }
        
        .seo-section p {
            margin-bottom: 15px;
            line-height: 1.7;
        }
        
        .instruction-list {
            list-style-type: none;
        }
        
        .instruction-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
        }
        
        .instruction-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #28a745;
            font-weight: bold;
        }
        
        /* Footer */
        footer {
            background: linear-gradient(90deg, #1a2a6c, #0d1b4d);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .footer-col h3 {
            font-size: 22px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background: #ffcc00;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #ffcc00;
        }
        
        .footer-col p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .footer-col i {
            margin-right: 10px;
            color: #ffcc00;
            width: 20px;
        }
        
        .copyright {
            text-align: center;
            padding: 20px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* Utility classes */
        .hidden {
            display: none;
        }
        
        .loading-spinner {
            text-align: center;
            padding: 30px;
            grid-column: 1 / -1;
        }
        
        .loading-spinner i {
            font-size: 36px;
            color: #1a2a6c;
        }
        .adsense-container {
    text-align: center;
    margin: 10px 0;
}
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: linear-gradient(90deg, #1a2a6c, #0d1b4d);
                flex-direction: column;
                padding: 20px;
            }
            
            .nav-menu.active {
                display: flex;
            }
            
            .nav-menu li {
                margin: 10px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .quiz-grid {
                grid-template-columns: 1fr;
            }
            
            .quiz-controls {
                flex-direction: column;
                gap: 10px;
            }
            
            .btn {
                width: 100%;
            }
        }