/* Extracted verbatim from legacy Header_Glossary_Anatomy.html by the IRNSCA Glossary plugin build. Do not edit casually: this is the authoritative legacy design. */
        .ana-header-section {
            --ana-bg: #0a0e17;
            --ana-text: rgba(255, 255, 255, .92);
            --ana-muted: rgba(255, 255, 255, .65);
            --ana-accent: #43f1c9;
            --ana-accent-2: #a98bff;
            --ana-accent-3: #35c8ff;
            --ana-card-bg: rgba(255, 255, 255, .04);
            --ana-border: rgba(255, 255, 255, .10);
            --ana-radius: 16px;

            position: relative;
            padding: 30px 20px 40px;
            overflow: hidden;
            background: linear-gradient(180deg, #0a0e17 0%, #0d1220 100%);
            color: var(--ana-text);
            font-family: 'Denk One', 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
            box-sizing: border-box;
        }

        .ana-header-section *,
        .ana-header-section *::before,
        .ana-header-section *::after {
            box-sizing: border-box;
        }

        /* ===== Container ===== */
        .ana-header-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ===== Top Bar: Logo + Language Flags ===== */
        .ana-header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--ana-border);
        }

        .ana-header-brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .ana-header-brand-logo {
            width: 80px;
            height: 80px;
            border-radius: 16px;
            object-fit: contain;
            border: none;
            background: transparent;
            padding: 0;
            transition: all 0.3s ease;
        }

        .ana-header-brand-logo:hover {
            transform: scale(1.08);
        }

        .ana-header-brand-info {
            display: flex;
            flex-direction: column;
        }

        .ana-header-brand-name {
            font-size: 22px;
            color: var(--ana-text);
            letter-spacing: 1px;
        }

        .ana-header-brand-tag {
            font-size: 12px;
            color: var(--ana-muted);
            margin-top: 2px;
        }

        /* ===== Language Flags ===== */
        .ana-header-lang-flags {
            display: flex;
            gap: 12px;
            direction: ltr;
        }

        .ana-header-flag {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            object-fit: cover;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .ana-header-flag:hover {
            transform: scale(1.15);
            border-color: var(--ana-accent);
        }

        .ana-header-flag--active {
            border-color: var(--ana-accent);
            box-shadow: 0 0 10px rgba(67, 241, 201, .4);
        }

        /* ===== Title Section ===== */
        .ana-header-title-section {
            text-align: center;
            padding: 20px 0 30px;
        }

        .ana-header-title {
            font-size: 36px;
            font-weight: 400;
            margin: 0 0 8px 0;
            background: linear-gradient(90deg, var(--ana-accent), var(--ana-accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 3px;
        }

        .ana-header-subtitle {
            font-size: 16px;
            color: var(--ana-muted);
            margin: 0;
        }

        /* ===== Categories Navigation ===== */
        .ana-header-categories {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 10px;
        }

        .ana-header-category {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 14px 10px;
            background: var(--ana-card-bg);
            border: 1px solid var(--ana-border);
            border-radius: var(--ana-radius);
            text-decoration: none;
            color: var(--ana-text);
            font-size: 14px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .ana-header-category::before {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--ana-accent), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .ana-header-category:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(255, 255, 255, .18);
            transform: translateY(-3px);
        }

        .ana-header-category:hover::before {
            opacity: 1;
        }

        .ana-header-category--active {
            background: linear-gradient(135deg, rgba(67, 241, 201, .12), rgba(169, 139, 255, .12));
            border-color: rgba(67, 241, 201, .35);
        }

        .ana-header-category--active::before {
            opacity: 1;
        }

        /* ===== Social Media Row ===== */
        .ana-header-social-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--ana-border);
        }

        .ana-header-social-link {
            display: block;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .ana-header-social-link:hover {
            transform: translateY(-4px) scale(1.1);
        }

        .ana-header-social-icon {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .ana-header-categories {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 768px) {
            .ana-header-section {
                padding: 24px 16px 30px;
            }

            .ana-header-top {
                flex-direction: column;
                gap: 16px;
            }

            .ana-header-brand-logo {
                width: 70px;
                height: 70px;
            }

            .ana-header-title {
                font-size: 28px;
            }

            .ana-header-categories {
                grid-template-columns: repeat(2, 1fr);
            }

            .ana-header-social-icon {
                width: 50px;
                height: 50px;
            }
        }

        @media (max-width: 480px) {
            .ana-header-categories {
                grid-template-columns: 1fr;
            }

            .ana-header-brand-name {
                font-size: 18px;
            }
        }