:root {
            --primary-dark: #0a0e17;
            --secondary-dark: #1a2238;
            --accent-gold: #d4af37;
            --accent-silver: #c0c0c0;
            --accent-gryffindor: #740001;
            --accent-slytherin: #1a472a;
            --accent-ravenclaw: #0e1a40;
            --accent-hufflepuff: #ffdb00;
            --text-primary: #f0f0f0;
            --text-secondary: #b8b8b8;
            --section-padding: clamp(2rem, 5vw, 4rem);
            --container-width: min(1200px, 95%);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Georgia', 'Times New Roman', serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-dark);
            color: var(--text-primary);
            line-height: 1.8;
            background-image:
                radial-gradient(circle at 10% 20%, rgba(26, 34, 56, 0.7) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(10, 14, 23, 0.9) 0%, transparent 20%);
            overflow-x: hidden;
        }
        .container {
            width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1.2rem;
            color: var(--accent-silver);
        }
        h1 {
            font-size: clamp(2.8rem, 5vw, 4.5rem);
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-silver));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            margin-top: 1.5rem;
            position: relative;
            padding-bottom: 1rem;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }
        h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            color: var(--accent-gold);
            border-left: 5px solid var(--accent-gold);
            padding-left: 1rem;
            margin-top: 3rem;
            margin-bottom: 2rem;
        }
        h3 {
            font-size: clamp(1.6rem, 3vw, 2rem);
            color: var(--accent-silver);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: clamp(1.3rem, 2.5vw, 1.7rem);
            color: #a8d5e5;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: #ffed9e;
            border-bottom-color: #ffed9e;
        }
        strong {
            color: var(--accent-silver);
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #c5e1ec;
        }
        blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 1.5rem 2rem;
            margin: 2.5rem 0;
            background-color: rgba(26, 34, 56, 0.6);
            font-style: italic;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        blockquote p {
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }
        blockquote cite {
            display: block;
            text-align: right;
            color: var(--text-secondary);
            font-size: 1rem;
        }
        .site-header {
            background-color: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--secondary-dark);
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
            color: var(--accent-silver);
        }
        .my-logo:hover {
            color: #ffed9e;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-primary);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 6px;
            padding: 10px;
        }
        .hamburger span {
            display: block;
            width: 30px;
            height: 3px;
            background-color: var(--accent-silver);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(26, 34, 56, 0.5);
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb li:last-child a {
            color: var(--accent-gold);
            pointer-events: none;
        }
        main {
            padding: var(--section-padding) 0;
            min-height: 80vh;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        .interactive-box {
            background: linear-gradient(145deg, rgba(26, 34, 56, 0.8), rgba(10, 14, 23, 0.9));
            border: 1px solid rgba(212, 175, 55, 0.3);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .interactive-box:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
            transform: translateY(-5px);
        }
        .interactive-box h3 {
            margin-top: 0;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-box h3 i {
            font-size: 1.8rem;
        }
        #search-form {
            display: flex;
            margin-top: 1rem;
        }
        #search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            background-color: rgba(10, 14, 23, 0.7);
            border: 1px solid var(--secondary-dark);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-primary);
            font-size: 1rem;
        }
        #search-input:focus {
            outline: none;
            border-color: var(--accent-gold);
        }
        #search-form button {
            background-color: var(--accent-gold);
            color: var(--primary-dark);
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 700;
            transition: var(--transition);
        }
        #search-form button:hover {
            background-color: #ffed9e;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--accent-silver);
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem 1.2rem;
            background-color: rgba(10, 14, 23, 0.7);
            border: 1px solid var(--secondary-dark);
            border-radius: var(--border-radius);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: var(--font-body);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent-gold);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #444;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent-gold);
        }
        .btn-submit {
            background: linear-gradient(90deg, var(--accent-gold), #b8941f);
            color: var(--primary-dark);
            border: none;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-submit:hover {
            background: linear-gradient(90deg, #ffed9e, var(--accent-gold));
            transform: scale(1.05);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            border: 3px solid var(--secondary-dark);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            border-color: var(--accent-gold);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-list {
            padding-left: 2rem;
            margin: 2rem 0;
        }
        .content-list li {
            margin-bottom: 0.8rem;
            position: relative;
        }
        .content-list li::marker {
            color: var(--accent-gold);
        }
        .highlight-box {
            background: linear-gradient(90deg, rgba(26, 34, 56, 0.8), transparent);
            padding: 1.8rem;
            border-left: 5px solid var(--accent-gryffindor);
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: rgba(26, 34, 56, 0.8);
            border-radius: var(--border-radius);
            padding: 1.8rem;
            margin-bottom: 2rem;
            border: 1px solid rgba(212, 175, 55, 0.2);
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--accent-gold);
            border-bottom: 2px solid rgba(212, 175, 55, 0.3);
            padding-bottom: 0.8rem;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
        }
        .related-links li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .related-links a {
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        .related-links i {
            color: var(--accent-silver);
            font-size: 0.9rem;
        }
        .update-info {
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-align: center;
            padding: 1rem;
            background-color: rgba(10, 14, 23, 0.6);
            border-radius: var(--border-radius);
            border: 1px dashed var(--accent-silver);
        }
        .site-footer {
            background-color: var(--secondary-dark);
            padding: var(--section-padding) 0 2rem;
            margin-top: 4rem;
            border-top: 3px solid var(--accent-gold);
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .footer-column h3 {
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(212, 175, 55, 0.3);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1.2rem;
            background-color: rgba(10, 14, 23, 0.5);
            border-radius: var(--border-radius);
            border: 1px solid rgba(212, 175, 55, 0.3);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(26, 34, 56, 0.8);
            border-color: var(--accent-gold);
        }
        friend-link a {
            color: var(--accent-silver);
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 5px;
            vertical-align: middle;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: -1;
                margin-bottom: 3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(10, 14, 23, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
                border-top: 2px solid var(--accent-gold);
            }
            .main-nav ul.active {
                display: flex;
            }
            .main-nav li {
                margin-bottom: 1rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            h1 {
                font-size: clamp(2.2rem, 6vw, 3rem);
            }
            .interactive-box {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            :root {
                --section-padding: 1.5rem;
            }
            .container {
                padding: 0 15px;
            }
            p {
                font-size: 1rem;
                line-height: 1.7;
            }
            .btn-submit {
                width: 100%;
                justify-content: center;
            }
        }