#book-details-view {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-bottom: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.book-top-nav {
    display: flex;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.back-btn-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: 0.2s;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
}
.back-btn-large:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}

.book-layout-grid {
    display: grid;
    grid-template-columns: 300px 1fr; 
    gap: 3rem;
    align-items: start;
}

.book-left-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 20px; 
}

.book-poster-large {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    aspect-ratio: 2/3;
    object-fit: cover; 
    border: 1px solid var(--border);
    background: #111; 
}

.book-title-sidebar {
    font-size: 1.5rem; 
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    color: var(--text-primary);
    text-align: center; 
    word-wrap: break-word;
}

.book-chapters-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
}

.chapter-table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.chapter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}
.chapter-row:last-child { border-bottom: none; }
.chapter-row:hover { background: var(--bg-surface-hover); }

.chapter-main-text { font-weight: 600; font-size: 1rem; color: var(--text-primary); }
.chapter-sub-text { font-size: 0.9rem; color: var(--text-tertiary); }

.pagination-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
}
.page-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: 0.2s;
}
.page-btn:hover:not(:disabled) { background: var(--bg-surface-hover); border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

#reader-view {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: 200; background: #0d0d0d; overflow-y: auto;
    display: flex; flex-direction: column; align-items: center; padding-top: 60px;
}

.reader-page-img { max-width: 100%; width: auto; display: block; margin-bottom: 0; box-shadow: 0 0 20px rgba(0,0,0,0.5); }

.reader-text-content {
    max-width: 900px;
    width: 95%;
    color: #e4e4e7;
    font-size: 1.1rem;
    line-height: 1.8;
    padding: 2rem;
    background: #18181b; 
    margin-bottom: 4rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.reader-text-content p {
    margin-bottom: 1.5rem;
}

.reader-close-btn {
    position: fixed; top: 20px; left: 20px; z-index: 210;
    background: rgba(0,0,0,0.8); color: white; border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 20px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 8px; font-weight: 600; backdrop-filter: blur(4px);
}
.reader-close-btn:hover { background: var(--accent); border-color: var(--accent); }

.loading-state { text-align: center; padding: 4rem; color: var(--text-tertiary); }

.image-entry[data-type="book"] {
    aspect-ratio: 2/3;       
    background: #1a1a1a;     
    display: block;          
    position: relative;
    cursor: pointer;
    overflow: hidden; 
}

.image-entry[data-type="book"] img {
    width: 100%;
    height: 100%;
    object-fit: cover;       
    object-position: center top; 
    transition: filter 0.3s ease, transform 0.3s ease;
}

.image-entry[data-type="book"]:hover img {
    filter: blur(4px) brightness(0.7);
    transform: scale(1.05);
}

.book-read-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none; 
    color: white;
    z-index: 10;
}

.image-entry[data-type="book"]:hover .book-read-overlay {
    opacity: 1;
}

.book-read-overlay span {
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.book-read-overlay svg {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.8));
    color: var(--accent);
}

.image-entry[data-type="book"]::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: inherit;
    pointer-events: none;
}