:root {
            --bg-deep: #050507; 
            --bg-surface: #121217;
            --text-main: #f0f0f5;
            --text-dim: #9aa0a6;
            --accent-primary: #00f2fe; 
            --accent-secondary: #4facfe;
            --accent-glow: rgba(0, 242, 254, 0.4);
            
            --font-display: 'Oswald', sans-serif;
            --font-body: 'Manrope', sans-serif;
            --font-italic: 'Playfair Display', serif;
            --font-poem: 'Lora', serif;
            
            --radius-xl: 30px;
            --radius-md: 16px;
            --transition-bouncy: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            --transition-smooth: all 0.4s ease;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
        
        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-main);
            overflow-x: hidden;
            scroll-behavior: smooth;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 70px;
        }

        body::before {
            content: ''; position: fixed; top: -20%; left: -10%; width: 50vw; height: 50vw;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
            filter: blur(100px); z-index: -1; opacity: 0.5; pointer-events: none;
        }

        a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
        img { -webkit-user-drag: none; user-drag: none; }

        header {
            position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
            width: 95%; max-width: 1400px;
            background: rgba(18, 18, 23, 0.7);
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 100px;
            display: flex; align-items: center; justify-content: space-between;
            padding: 10px 30px; z-index: 1000;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }

        .logo {
            font-family: var(--font-display); font-size: 2rem; font-weight: 700;
            letter-spacing: 4px; color: #fff; text-transform: uppercase;
            background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            display: flex; flex-direction: column; align-items: flex-start; line-height: 1.1; white-space: nowrap;
        }

        nav ul { display: flex; list-style: none; gap: 15px; flex-wrap: wrap; justify-content: center; }
        nav ul li a {
            font-size: 0.8rem; font-weight: 500; text-transform: uppercase;
            letter-spacing: 1px; padding: 8px 12px; border-radius: 50px;
            background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.08);
        }
        nav ul li a:hover, nav ul li a.active {
            background: rgba(255, 255, 255, 0.15); color: var(--accent-primary); border-color: var(--accent-primary);
        }

        .header-actions { display: flex; gap: 15px; align-items: center; position: relative; }
        .user-icon-btn {
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center;
            cursor: pointer; transition: var(--transition-bouncy); color: #fff;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .user-icon-btn:hover { background: var(--accent-primary); color: #000; transform: scale(1.1); box-shadow: 0 0 20px var(--accent-glow); }

        #profileBtn { display: none; }
        .user-icon-btn.is-logged-in { display: flex !important; }
        .user-dropdown {
            position: absolute; top: 60px; right: 0; width: 220px;
            background: rgba(18, 18, 23, 0.95); backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md);
            display: none; flex-direction: column; overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.8);
            opacity: 0; transform: translateY(10px); transition: var(--transition-smooth);
        }
        #userDropdown.active { display: flex; opacity: 1; transform: translateY(0); }
        .user-dropdown-item { padding: 15px 20px; font-size: 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
        .user-dropdown-item:hover { background: rgba(255,255,255,0.05); padding-left: 25px; color: var(--accent-primary); }

        .container { width: 95%; max-width: 1200px; margin: 0 auto; }
        .page-layout { margin-top: 220px; margin-bottom: 50px; width: 100%; display: flex; flex-direction: column; align-items: center; }
        .main-content { width: 100%; max-width: 1000px; z-index: 1; }

        .intro-text {
            background: rgba(18, 18, 23, 0.5); backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.05); border-left: 5px solid var(--accent-primary);
            border-radius: var(--radius-md); padding: 20px 30px; margin-bottom: 30px;
        }
        .intro-text h2 { font-family: var(--font-display); font-size: 2.2rem; color: #fff; line-height: 1.2; text-transform: uppercase; }

        .content-block {
            background: rgba(18, 18, 23, 0.6); backdrop-filter: blur(15px);
            border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-xl);
            padding: clamp(20px, 4vw, 50px); box-shadow: 0 15px 35px rgba(0,0,0,0.5);
            position: relative; margin-bottom: 40px;
        }
        .content-block::after { content: ""; display: table; clear: both; }

        .section-title {
            font-family: var(--font-display); font-size: 2.2rem; color: var(--accent-primary);
            text-align: center; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 30px;
        }

        .news-image-container {
            width: 100%; margin-bottom: 30px; border-radius: var(--radius-md);
            overflow: hidden; border: 1px solid var(--accent-primary); box-shadow: 0 0 20px var(--accent-glow);
        }
        .news-image-container img {
            width: 100%; height: auto; max-height: 500px; object-fit: cover; display: block;
            transition: var(--transition-smooth); filter: grayscale(10%);
        }
        .news-image-container:hover img { transform: scale(1.02); filter: grayscale(0%); }

        figure.article-image {
            display: table; border: 1px solid rgba(0, 242, 254, 0.3); padding: 6px;
            background: rgba(255, 255, 255, 0.03); border-radius: 12px;
            transition: var(--transition-smooth); margin-bottom: 20px;
        }
        figure.article-image img {
            display: block; width: 100%; height: auto; border-radius: 8px;
            filter: grayscale(20%); transition: var(--transition-smooth);
        }
        figure.article-image:hover { border-color: var(--accent-primary); box-shadow: 0 0 15px var(--accent-glow); }
        figure.article-image:hover img { filter: grayscale(0%); transform: scale(1.02); }
        figure.article-image figcaption {
            font-family: var(--font-italic); font-size: 0.85rem; color: var(--accent-primary);
            text-align: center; margin-top: 8px;
        }
        figure.article-image {
            width: 100% !important;
            max-width: 100% !important;
            float: none !important;
            margin: 25px 0 !important;
        }
        figure.article-image img {
            width: 100%;
            height: auto;
            max-height: 400px;
            object-fit: cover;
        }

        .text-content p {
            font-family: var(--font-poem); font-size: 1.15rem; margin-bottom: 20px;
            text-align: justify; line-height: 1.8; color: var(--text-main); text-indent: 40px;
        }
        .text-content p strong { color: #fff; font-family: var(--font-body); font-weight: 800; }

        .author-signature {
            display: inline-flex; align-items: center; justify-content: flex-end; float: right;
            background: rgba(18, 18, 23, 0.9); border: 1px solid var(--accent-primary);
            border-radius: 50px; padding: 5px 20px 5px 5px; margin-top: 30px; margin-left: 20px;
            box-shadow: 0 5px 15px rgba(0,242,254,0.2); transition: var(--transition-smooth);
            backdrop-filter: blur(10px); cursor: pointer;
        }
        .author-signature:hover {
            transform: translateY(-3px); box-shadow: 0 10px 25px var(--accent-glow);
            background: rgba(0, 242, 254, 0.05);
        }
        .author-signature img {
            width: 45px; height: 45px; border-radius: 50%; border: 2px solid var(--accent-primary);
            object-fit: cover; margin-right: 12px;
        }
        .author-info { display: flex; flex-direction: column; text-align: left; }
        .author-name { font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 1rem; line-height: 1.1; letter-spacing: 1px; }
        .author-title { font-family: var(--font-body); font-size: 0.75rem; color: var(--accent-primary); }

        .editor-detail-container {
            display: none; width: 100%; max-width: 900px; margin: 230px auto 50px auto;
            text-align: center; color: var(--text-main); opacity: 0; transition: opacity 0.5s ease-in-out;
            padding: 0 15px; position: relative; z-index: 1;
        }
        .editor-profile-img {
            width: 180px; height: 180px; border-radius: 50%; border: 3px solid var(--accent-primary);
            margin-bottom: 25px; box-shadow: 0 0 30px var(--accent-glow); object-fit: cover;
        }
        .editor-bio-text {
            font-family: var(--font-poem); font-size: 1.1rem; line-height: 1.8; text-align: justify;
            background: rgba(18, 18, 23, 0.6); backdrop-filter: blur(15px); padding: 30px;
            border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,0.1); color: var(--text-dim);
        }
        .back-btn {
            display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; padding: 12px 30px;
            background: transparent; color: var(--text-dim); border: 1px solid rgba(255,255,255,0.2);
            font-family: var(--font-body); font-size: 0.9rem; font-weight: 800; cursor: pointer;
            transition: var(--transition-smooth); border-radius: 50px; text-transform: uppercase;
        }
        .back-btn:hover {
            background: var(--accent-primary); color: #000; border-color: var(--accent-primary);
            box-shadow: 0 0 20px var(--accent-glow);
        }

        .books-section { max-width: 1400px; margin: 0 auto 80px auto; padding: 0 4%; width: 100%; }
        .books-header {
            display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 30px;
            border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px;
        }
        .books-header h3 { font-family: var(--font-display); font-size: 2.2rem; text-transform: uppercase; color: #fff; letter-spacing: 2px; }
        .books-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 280px)); gap: 40px; perspective: 1500px; justify-content: center; }
        
        .book-3d-card { width: 100%; height: 340px; position: relative; cursor: pointer; }
        .book-3d-inner {
            position: relative; width: 100%; height: 100%; text-align: center;
            transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275); transform-style: preserve-3d;
        }
        .book-3d-card.is-flipped .book-3d-inner { transform: rotateY(180deg); }
        .book-3d-front, .book-3d-back {
            position: absolute; width: 100%; height: 100%; -webkit-backface-visibility: hidden;
            backface-visibility: hidden; border-radius: var(--radius-md); overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.4);
        }
        .book-3d-front { background: var(--bg-surface); }
        .book-3d-front img { width: 100%; height: 100%; object-fit: contain; background: #000; }
        .book-info-banner {
            position: absolute; bottom: 0; left: 0; width: 100%; background: rgba(0,0,0,0.85);
            backdrop-filter: blur(5px); padding: 15px 10px; display: flex; justify-content: space-between; align-items: center;
        }
        .book-info-banner div { text-align: left; }
        .book-info-banner h5 { font-family: var(--font-display); font-size: 1.1rem; color: #fff; margin-bottom: 2px; }
        .book-info-banner p { font-size: 0.75rem; color: var(--text-dim); }
        
        .flip-btn {
            background: var(--accent-primary); color: #000; border: none; width: 35px; height: 35px;
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            cursor: pointer; transition: var(--transition-bouncy); z-index: 10;
        }
        .flip-btn:hover { transform: scale(1.15) rotate(15deg); box-shadow: 0 0 15px var(--accent-glow); }
        
        .book-3d-back {
            background: #1a1a24; color: #fff; transform: rotateY(180deg); padding: 35px 25px;
            display: flex; flex-direction: column; justify-content: center; align-items: center;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .book-3d-back h5 { font-family: var(--font-display); font-size: 1.6rem; color: var(--accent-primary); margin-bottom: 20px; text-align: center; }
        .book-3d-back .summary { font-size: 0.9rem; line-height: 1.6; color: #e0e0e0; margin-bottom: 20px; text-align: center; }
        .book-3d-back .flip-btn { align-self: center; background: #fff; margin-top: auto; }

        .close-window-bar {
            position: fixed; bottom: 0; left: 0; width: 100%;
            background: rgba(18, 18, 23, 0.85); backdrop-filter: blur(15px); color: #fff;
            padding: 15px; text-align: center; font-family: var(--font-display); font-size: 1.2rem;
            letter-spacing: 2px; cursor: pointer; z-index: 9999;
            border-top: 1px solid var(--accent-primary); box-shadow: 0 -5px 25px var(--accent-glow);
            transition: var(--transition-smooth); text-transform: uppercase;
        }
        .close-window-bar:hover { background: var(--accent-primary); color: #000; }
        .close-window-bar i { margin-right: 10px; }

        footer { border-top: 1px solid rgba(255,255,255,0.05); padding: 40px 4% 80px 4%; text-align: center; color: var(--text-dim); margin-top: auto; background: var(--bg-surface); }
        .footer-flex { display: flex; justify-content: center; flex-direction: column; align-items: center; gap: 20px; }
        .social-icons { display: flex; justify-content: center; gap: 15px; }
        .social-icons a { font-size: 1.5rem; color: #fff; transition: 0.3s; }
        .social-icons a:hover { color: var(--accent-primary); transform: translateY(-5px); display: inline-block; }

        .fade-out { opacity: 0; transition: opacity 0.5s ease; pointer-events: none; }
        .fade-in { opacity: 1; transition: opacity 0.5s ease; }
        .page-entrance { animation: smooth-entrance 0.8s ease-out forwards; }
        @keyframes smooth-entrance { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .highlight-author { animation: highlight-glow 2s ease-out; }
        @keyframes highlight-glow { 0% { box-shadow: 0 0 0px var(--accent-primary); transform: scale(1); } 50% { box-shadow: 0 0 30px var(--accent-primary); transform: scale(1.05); } 100% { box-shadow: 0 5px 15px rgba(0,242,254,0.2); transform: scale(1); } }

        @media (max-width: 1024px) {
            header { width: 90%; flex-wrap: wrap; border-radius: var(--radius-md); padding: 10px; }
            nav { width: 100%; order: 3; margin-top: 10px; padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,0.05); }
            nav ul { gap: 6px; }
            nav ul li a { font-size: 0.6rem; padding: 4px 8px; display: block; }
            figure.right, figure.left { float: none; width: 100%; max-width: 100%; margin: 20px 0; }
            .author-signature { float: none; margin: 30px auto 0 auto; display: flex; justify-content: center; max-width: fit-content; }
            .books-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
            .book-3d-card { height: 260px; }
            .close-window-bar { padding: 10px; font-size: 1rem; }
        }
        @media (max-width: 768px) {
            .page-layout { margin-top: 240px; }
            .intro-text h2 { font-size: 1.5rem; }
            .section-title { font-size: 1.6rem; }
            .content-block { padding: 20px; }
           .text-content p { font-size: 1rem; text-indent: 20px; }
        }