:root {
            --color-background: #fff;
            --color-text: #222;
            --color-accent: #000;
            --color-pill: #fff;
            --color-pill-border: #222;
            --font-sans: 'Poppins', sans-serif;
            --font-serif: 'Playfair Display', serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 8rem;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-background); }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
        .content-section { padding: var(--spacing-lg) 0; margin-top: 80px; }
        .pub-main-grid { display: grid; grid-template-columns: 1.1fr 1.3fr; gap: 3.5rem; align-items: start; margin-bottom: 2.5rem; }
        .pub-main-grid > * { min-width: 0; }
        .pub-main-left { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; width: 100%; max-width: 340px; }
        .pub-portada { width: 100%; max-width: 340px; height: auto; display: block; margin-bottom: 1.2rem; border-radius: 0 !important; box-shadow: none !important; cursor: pointer; }
        .pub-pill-row { display: flex; align-items: center; margin-bottom: 0.7rem; margin-top: 0.2rem; width: 100%; }
        .pub-pill { font-family: var(--font-sans); font-size: 1.1rem; font-weight: 700; border: 2px solid var(--color-pill-border); border-radius: 2em; padding: 0.18em 1.1em; background: var(--color-pill); color: var(--color-text); letter-spacing: 0.04em; margin-right: 1.2rem; text-transform: uppercase; }
        .pub-pill-line { flex: 1; height: 1px; background: var(--color-text); margin-right: 1.2rem; opacity: 0.18; }
        .pub-pill-year { font-size: 1.1rem; font-weight: 500; text-align: right; min-width: 3.5em; }
        .pub-book-details { font-size: 0.93rem; margin-bottom: 1.2rem; color: #888; letter-spacing: 0.01em; font-weight: 400; text-transform: uppercase; text-align: justify; width: 100%; margin-top: 0.7rem; line-height: 1.4; }
        .pub-bottom-images { display: flex !important; flex-direction: row !important; gap: 0.5rem !important; width: 100% !important; margin-top: 1.2rem !important; margin-bottom: 0 !important; padding: 0 !important; }
        .pub-bottom-image-item { width: 50% !important; height: auto; overflow: hidden; min-width: 0; }
        .pub-bottom-image-item img { width: 100% !important; height: auto !important; object-fit: contain; display: block !important; border-radius: 0 !important; box-shadow: none !important; margin: 0 !important; cursor: pointer; }
        .pub-main-right { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; height: 100%; }
        .pub-header-row { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 0.5rem; }
        .pub-title { font-family: var(--font-serif); font-size: 2.7rem; font-weight: 700; font-style: italic; margin: 0; text-align: left; }
        .pub-status-btn { border: 2px solid var(--color-text); background: transparent; color: var(--color-text); font-weight: 600; font-size: 1.1rem; border-radius: 2em; padding: 0.3em 1.5em; text-decoration: none; margin-left: auto; text-transform: uppercase; letter-spacing: 0.04em; flex-shrink: 0; }
        .pub-section-title { font-family: var(--font-sans); font-size: 0.95rem; font-weight: 700; letter-spacing: 0.12em; margin: 1.2rem 0 0.7rem 0; text-transform: uppercase; color: #222; }
        .pub-synopsis { font-size: 1.01rem; line-height: 1.7; color: #222; font-weight: 400; text-align: justify; }
        .pub-synopsis p { margin-bottom: 1rem; }
        #preview-gallery { margin: 2.5rem 0; overflow-x: auto; white-space: nowrap; padding-bottom: 1rem; padding-left: var(--spacing-md); padding-right: var(--spacing-md); box-sizing: border-box; }
        .preview-gallery-row { display: flex; flex-wrap: nowrap; gap: 1.5rem; }
        .preview-gallery-row img { max-height: 320px; width: auto; border-radius: 0.5rem; box-shadow: 0 4px 16px rgba(0,0,0,0.09); display: inline-block; cursor: pointer; }
        @media (max-width: 900px) {
            .pub-main-grid { gap: 2rem; }
            .pub-main-left { max-width: 300px; }
            .pub-portada { max-width: 300px; }
            .pub-title { font-size: 2.5rem; }
            .pub-header-row { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
            .pub-bottom-images { flex-direction: column !important; gap: 1rem; }
            .pub-bottom-images img { width: 100% !important; }
            .preview-gallery-row img { max-height: 280px; }
            #preview-gallery { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
        }
        @media (max-width: 768px) {
            .site-header { padding: 0; }
            .pub-main-grid { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: var(--spacing-md); }
            .pub-main-left { max-width: none; }
            .pub-portada { margin-bottom: var(--spacing-md); max-width: 90%; margin-left: auto; margin-right: auto; }
            .pub-title { font-size: 2rem; }
            .pub-section-title { font-size: 0.9rem; margin-top: 1rem; margin-bottom: 0.5rem; }
            .pub-pill { font-size: 1rem; padding: 0.15em 0.8em; }
            .pub-pill-year { font-size: 1rem; }
            .pub-pill-line { margin-right: 0.8rem; }
            .pub-book-details { font-size: 0.85rem; line-height: 1.5; }
            .pub-synopsis { font-size: 0.9rem; line-height: 1.6; }
            .pub-status-btn { font-size: 0.9rem; padding: 0.3em 1em; width: 100%; text-align: center; margin-top: 0.5rem; }
            .pub-header-row { align-items: stretch; }
            .pub-bottom-images { align-items: center; }
            .pub-bottom-image-item { width: 85% !important; max-width: 300px; }
            .preview-gallery-row img { max-height: 220px; }
            #preview-gallery { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
            .content-section { padding-top: var(--spacing-md); padding-left: 0; padding-right: 0; padding-bottom: var(--spacing-md); margin-top: 56px; }
        }
        .image-popup { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(255,255,255,0.9); display: none; align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(5px); opacity: 0; transition: opacity 0.3s ease; }
        .image-popup.active { display: flex; opacity: 1; }
        .popup-content { position: relative; max-width: 90vw; max-height: 90vh; background-color: #fff; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); overflow: hidden; }
        .popup-image { display: block; max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: 8px; }
        .popup-close { position: absolute; top: 15px; right: 15px; width: 30px; height: 30px; background-color: rgba(0,0,0,0.2); color: #000; font-size: 20px; font-weight: bold; text-align: center; line-height: 30px; border-radius: 50%; cursor: pointer; transition: background-color 0.2s ease; z-index: 1001; }
        .popup-close:hover { background-color: rgba(0,0,0,0.4); }