* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-dark: #f5f5f5;
            --secondary-dark: #ffffff;
            --accent-red: #cc2222;
            --accent-orange: #e67e22;
            --text-light: #222;
            --text-muted: #666;
            --border-color: #e0e0e0;
        }

        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
        }

        .header {
            background: linear-gradient(135deg, rgba(204, 34, 34, 0.1) 0%, rgba(230, 126, 34, 0.1) 100%);
            border-bottom: 2px solid var(--accent-red);
            padding: 2rem 1rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 200"><defs><pattern id="skulls" patternUnits="userSpaceOnUse" width="100" height="100"><text x="10" y="60" font-size="80" fill="rgba(204,34,34,0.05)">☠</text></pattern></defs><rect width="1200" height="200" fill="url(%23skulls)"/></svg>');
            pointer-events: none;
        }

        .header-content {
            position: relative;
            z-index: 1;
            max-width: 1000px;
            margin: 0 auto;
        }

        .header-logo {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .header-logo::before {
            content: '☠';
            font-size: 1.8rem;
            color: var(--accent-red);
        }

        .header-tagline {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .nav {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1rem;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }

        .nav a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.3s;
            border-bottom: 2px solid transparent;
            padding-bottom: 0.25rem;
        }

        .nav a:hover {
            color: var(--accent-red);
            border-bottom-color: var(--accent-red);
        }


        /* ── Hero banner Darkestante — mesmo padrão visual de Resenhas/Minhas Leituras ── */
        .ds-hero {
            background: linear-gradient(160deg, #0d0404 0%, #1e0a0a 25%, #1a1010 55%, #111111 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .ds-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 320"><defs><pattern id="dshp" patternUnits="userSpaceOnUse" width="140" height="140"><text x="15" y="95" font-size="110" fill="rgba(204,34,34,0.035)">☠</text></pattern></defs><rect width="1200" height="320" fill="url(%23dshp)"/></svg>');
            pointer-events: none;
        }
        .ds-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.35) 100%);
            pointer-events: none;
        }
        .ds-hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 960px;
            padding: 0.9rem 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.25rem;
        }
        .ds-hero-stats {
            display: inline-flex;
            align-items: center;
            gap: 1.5rem;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(204,34,34,0.2);
            border-radius: 12px;
            padding: 0.5rem 1.75rem;
            flex-wrap: wrap;
            justify-content: center;
            flex-shrink: 0;
        }
        .ds-hero-stat {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.65rem;
            color: rgba(242, 237, 230, 0.45);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            line-height: 1;
            gap: 0.2rem;
        }
        .ds-hero-stat strong {
            color: #ffffff;
            font-size: 1.4rem;
            font-weight: 700;
            line-height: 1.1;
        }
        @media (max-width: 768px) {
            .ds-hero-content { padding: 0.75rem 1.5rem; }
        }
        @media (max-width: 480px) {
            .ds-hero-content { padding: 0.65rem 1rem; }
            .ds-hero-stats { gap: 0.75rem; padding: 0.4rem 1rem; }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
        }

        .tag-cloud {
            background-color: transparent;
            border: none;
            border-radius: 0;
            padding: 0.75rem 1rem;
            margin-bottom: 1rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .tag-cloud-label {
            display: none;
        }

        .tag-chips-container {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            justify-content: center;
            align-items: center;
        }

        .tag-chip {
            background-color: transparent;
            border: none;
            color: var(--text-light);
            padding: 0;
            border-radius: 0;
            cursor: pointer;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .tag-chip::after {
            content: ' • ';
            margin: 0 0.5rem;
            color: var(--text-light);
        }

        .tag-chip:last-child::after {
            content: '';
            margin: 0;
        }

        .tag-chip:hover {
            border: none;
            color: var(--accent-red);
        }

        .tag-chip.active {
            background-color: transparent;
            border: none;
            color: var(--accent-red);
        }

        .filters {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .filter-group {
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .filter-label {
            color: var(--accent-red);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        select {
            background-color: var(--secondary-dark);
            color: var(--text-light);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: border-color 0.3s;
        }

        select:hover {
            border-color: var(--accent-red);
        }

        .search-input {
            background-color: var(--secondary-dark);
            color: var(--text-light);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-size: 0.9rem;
            width: 250px;
            transition: border-color 0.3s;
        }

        .search-input::placeholder {
            color: var(--text-muted);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--accent-red);
        }

        .loading {
            text-align: center;
            padding: 2rem;
            color: var(--text-muted);
        }

        .books-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .book-card {
            background-color: var(--secondary-dark);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .book-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-red);
            box-shadow: 0 8px 16px rgba(204, 34, 34, 0.2);
        }

        .book-card.editora-destaque {
            border-color: #d4af37;
            box-shadow: 0 0 12px rgba(212, 175, 55, 0.2);
            position: relative;
        }

        .book-card.editora-destaque:hover {
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
        }

        .book-cover {
            width: 100%;
            aspect-ratio: 3/4;
            background-color: var(--primary-dark);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
        }

        .book-cover img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .book-info {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .book-content {
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-footer {
            margin-top: auto;
        }

        .book-title {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            line-height: 1.3;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .book-authors {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            min-height: 24px;
        }

        .author-avatar {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, #cc2222, #e67e22);
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            color: var(--text-light);
            font-weight: bold;
            flex-shrink: 0;
        }

        .book-author {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .book-description {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .book-description.expanded {
            display: block;
            -webkit-line-clamp: unset;
            overflow: visible;
            text-overflow: clip;
        }

        .book-description.preview {
            -webkit-line-clamp: 2;
            overflow: hidden;
        }

        .book-description {
            align-self: flex-start;
            margin-bottom: 1rem;
            min-height: 2rem;
        }

        .book-resumo-container {
            margin-bottom: 0.75rem;
        }

        .book-resumo {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .book-resumo.expanded {
            display: block;
            -webkit-line-clamp: unset;
            overflow: visible;
            text-overflow: clip;
        }

        .book-resumo.preview {
            -webkit-line-clamp: 2;
            overflow: hidden;
        }

        .btn-ver-mais {
            transition: color 0.3s;
        }

        .btn-ver-mais:hover {
            color: var(--accent-orange);
        }

        .book-actions {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .btn {
            flex: 1;
            padding: 0.6rem 0.75rem;
            border: 1px solid var(--border-color);
            background-color: var(--primary-dark);
            color: var(--text-light);
            cursor: pointer;
            border-radius: 3px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s;
        }

        .btn:hover {
            background-color: var(--accent-red);
            border-color: var(--accent-red);
        }

        .btn-secondary {
            background-color: #ffffff;
            border-color: #ddd;
            color: #333;
        }

        .btn-secondary:hover {
            background-color: var(--accent-red);
            border-color: var(--accent-red);
            color: #ffffff;
        }

        .footer {
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            border-top: 1px solid #cc2222;
            padding: 1.5rem 1rem;
            color: #999;
            font-size: 0.9rem;
            box-shadow: 0 -10px 30px rgba(0,0,0,0.3);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-separator {
            height: 1px;
            background-color: #cc2222;
            margin: 0.75rem 0;
            opacity: 0.3;
        }

        .footer-pages {
            margin-bottom: 0.5rem;
        }

        .footer-pages h3,
        .footer-social h3 {
            display: none;
        }

        .pages-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        .pages-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .pages-links a::after {
            content: ' • ';
            margin: 0 0.5rem;
            color: #999;
        }

        .pages-links a:last-child::after {
            content: '';
            margin: 0;
        }

        .pages-links a:hover {
            color: #cc2222;
        }

        .footer-social {
            margin-bottom: 0.5rem;
        }

        .social-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 0.25rem;
        }

        .social-icon {
            display: inline-block;
            color: #ccc;
            text-decoration: none;
            transition: color 0.2s ease;
            font-size: 0.85rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 400;
            cursor: pointer;
        }

        .social-icon:hover {
            color: #cc2222;
        }

        .footer-about {
            text-align: center;
        }

        .footer-description {
            color: #999;
            font-size: 0.75rem;
            line-height: 1.5;
            margin-bottom: 0.75rem;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-copyright {
            color: #666;
            font-size: 0.8rem;
        }

        #footerAuth button {
            background-color: #cc2222;
            color: #fff;
            border: none;
            padding: 0.6rem 1.5rem;
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        #footerAuth button:hover {
            background-color: #ff3333;
            box-shadow: 0 4px 12px rgba(204, 34, 34, 0.4);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .pages-links {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .social-icons {
                gap: 1rem;
                flex-direction: column;
                align-items: center;
            }

            .social-icon {
                flex-direction: column;
                width: 100%;
                justify-content: center;
            }

            .footer-pages h3,
            .footer-social h3 {
                font-size: 0.9rem;
            }

            .footer-description {
                font-size: 0.8rem;
            }
        }

        .no-results {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .books-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 1rem;
            }

            .filters {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-group {
                flex-direction: column;
            }

            .search-input {
                width: 100%;
            }

            .nav {
                gap: 1rem;
                font-size: 0.75rem;
            }
        }

        .partners-section {
            background-color: transparent;
            border-top: none;
            border-bottom: none;
            padding: 0.5rem 1rem;
            margin: 0;
        }

        .partners-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .partners-title {
            display: none;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
            align-items: center;
            justify-items: center;
        }

        .partner-logo {
            max-width: clamp(70px, 12vw, 140px);
            max-height: 110px;
            width: auto;
            height: auto;
            object-fit: contain;
            flex-shrink: 0;
            filter: brightness(0.9);
            transition: filter 0.3s ease;
            opacity: 0.85;
        }

        .partner-logo:hover {
            filter: brightness(1);
            opacity: 1;
        }

        .logos-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
            gap: 0.2rem;
            max-width: 1200px;
            margin: 0 auto;
            align-items: start;
        }

        .logos-parceiros {
            grid-column: 2 / 6;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: -0.25rem;
        }

        .logos-eventos {
            grid-column: 7 / 9;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: -0.25rem;
        }

        .logos-parceiros h3,
        .logos-eventos h3 {
            color: #000;
            font-size: 0.9rem;
            font-weight: 400;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
            text-align: center;
            width: 100%;
        }

        .logos-grid {
            display: flex;
            flex-wrap: nowrap;
            justify-content: center;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.5rem);
            width: 100%;
        }

        .logos-grid a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .logos-grid a:hover {
            transform: scale(1.05);
        }

        .logos-grid img {
            max-width: clamp(70px, 12vw, 140px);
            max-height: 110px;
            width: auto;
            height: auto;
            object-fit: contain;
            flex-shrink: 0;
            filter: brightness(0.9);
            transition: filter 0.3s ease;
            opacity: 0.85;
        }

        .logos-grid img:hover {
            filter: brightness(1);
            opacity: 1;
        }

        @media (max-width: 768px) {
            .logos-wrapper {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .logos-parceiros,
            .logos-eventos {
                grid-column: auto;
                align-items: center;
                margin-top: 0;
            }

            .logos-grid {
                flex-wrap: wrap;
                justify-content: center;
                gap: clamp(0.75rem, 3vw, 1.5rem);
            }

            .logos-grid img {
                max-width: clamp(60px, 15vw, 100px);
                max-height: 80px;
            }

            .logos-parceiros h3,
            .logos-eventos h3 {
                margin-bottom: 0.5rem;
            }

            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .partners-section {
                padding: 1rem 1rem;
            }

            .partners-title {
                font-size: 1rem;
                margin-bottom: 1rem;
            }
        }

        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
            margin-top: 2rem;
            margin-bottom: 1.5rem;
            padding: 1.5rem 0;
        }

        .pagination button {
            background-color: var(--secondary-dark);
            color: var(--text-light);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .pagination button:hover:not(:disabled) {
            background-color: var(--accent-red);
            border-color: var(--accent-red);
        }

        .pagination button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* ── Caveirinha Home no nav ── */
        .nav a.nav-skull {
            font-size: 1.25rem;
            line-height: 1;
            padding-bottom: 0;
            border-bottom: 2px solid transparent;
            transition: transform 0.2s, border-bottom-color 0.2s;
            display: inline-flex;
            align-items: center;
        }

        .nav a.nav-skull:hover,
        .nav a.nav-skull.active {
            border-bottom-color: var(--accent-red);
            transform: scale(1.18);
        }

        .pagination-info {
            color: var(--text-muted);
            font-size: 0.9rem;
            min-width: 120px;
            text-align: center;
        }