:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
            --text-color: #334155;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Noto Sans Devanagari', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-color);
            direction: ltr;
        }
        .header {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-icon {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background-color: #f1f5f9;
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }
        .breadcrumb-link {
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .breadcrumb-separator {
            color: #94a3b8;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        .article-container {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
        }
        h1 {
            color: var(--dark-color);
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: #64748b;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
        }
        h3 {
            color: var(--dark-color);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-item {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .interactive-features {
            background-color: #f8fafc;
            border: 2px dashed var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .feature-card {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
        }
        .search-form, .comment-form, .rating-form {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary-color), #dc2626);
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary-color);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .related-links {
            list-style: none;
        }
        .related-link {
            margin-bottom: 0.8rem;
        }
        .related-link a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .related-link a:hover {
            background-color: #f1f5f9;
            color: var(--primary-color);
            padding-left: 1rem;
        }
        .footer-links-section {
            background-color: #1e293b;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #cbd5e1;
            text-decoration: none;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: white;
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .article-container {
                padding: 1.5rem;
            }
            .featured-image {
                height: 250px;
            }
            .stat-box {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @media print {
            .header, .sidebar, .interactive-features,
            .search-form, .comment-form, .rating-form,
            .footer-links-section, .footer {
                display: none;
            }
            .article-container {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: white;
                color: black;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        :focus-visible {
            outline: 3px solid var(--accent-color);
            outline-offset: 2px;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .important {
            background-color: #fef3c7;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .chess-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .chess-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .chess-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .chess-table tr:hover {
            background-color: #f8fafc;
        }