.library-search { margin-bottom: 2.5rem; }
.library-categories { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.library-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.book-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden; transition: var(--transition);
}
.book-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.book-cover {
    height: 140px; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    font-size: 3rem; color: rgba(255,255,255,0.25); position: relative;
}
.book-pages {
    position: absolute; bottom: 0.5rem; right: 0.75rem;
    font-size: 0.7rem; color: rgba(255,255,255,0.4); font-family: 'JetBrains Mono', monospace;
}
.book-info { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.book-info h4 { font-size: 0.9rem; line-height: 1.4; }
.book-author { font-size: 0.8rem; color: var(--text-muted); }
.book-meta { display: flex; gap: 0.75rem; }
.book-type {
    padding: 2px 8px; border-radius: 5px;
    background: rgba(124,58,237,0.15); color: var(--accent-light);
    font-size: 0.72rem; font-weight: 600;
}
.book-lang { font-size: 0.78rem; color: var(--text-muted); display: flex; align-items: center; gap: 3px; }
.book-download {
    display: flex; align-items: center; gap: 6px;
    padding: 0.5rem 0; font-size: 0.83rem; font-weight: 600;
    color: var(--accent-light); margin-top: 0.25rem;
    border-top: 1px solid var(--border); transition: var(--transition);
}
.book-download:hover { color: var(--accent); gap: 10px; }
@media (max-width: 1100px) { .library-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 500px) { .library-grid { grid-template-columns: 1fr; } }