:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #fbbf24;
            --text-color: #1f2937;
            --light-bg: #f8fafc;
            --dark-bg: #0f172a;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg), var(--primary-color));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            background: linear-gradient(to right, var(--accent-color), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .logo:hover {
            transform: scale(1.05);
            transition: var(--transition);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e5e7eb;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media (max-width: 768px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 4px solid var(--primary-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark-bg);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 1rem;
            border-left: 4px solid var(--accent-color);
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin: 1.5rem auto;
            display: block;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6b7280;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        a.internal-link {
            color: var(--secondary-color);
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary-color);
            transition: var(--transition);
        }
        a.internal-link:hover {
            color: var(--primary-color);
            border-bottom: 1px solid var(--primary-color);
        }
        .search-box, .comments-section, .rating-section {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background-color: var(--light-bg);
            border-radius: 8px;
        }
        .search-box h3, .comments-section h3, .rating-section h3 {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--dark-bg);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #d1d5db;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.2);
        }
        button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.5rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--accent-color);
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #cbd5e1;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #374151;
            font-size: 0.9rem;
            color: #9ca3af;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .nav-links { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                width: 250px;
                height: calc(100vh - 80px);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                right: 0;
            }
            .nav-links a {
                padding: 1rem;
                border-bottom: 1px solid #374151;
            }
            .sidebar {
                position: static;
            }
        }