.page-header {
    background: linear-gradient(rgba(10, 92, 54, 0), rgba(10, 92, 54, 0)), url('https://libraries.iou.edu.gm/wp-content/uploads/2021/12/the-most-important-islamic-books-1.png');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    color: white;
    text-align: center;
    min-height: 120px;
}

.book-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 25px var(--shadow);
    transition: var(--transition);
    height: 100%;
    margin-bottom: 1.5rem;
}

.book-card:hover {
    transform: translateY(-10px);
}

.book-cover {
    height: 250px;
    background-color: var(--light-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.book-cover i {
    font-size: 3rem;
    color: var(--gold);
    opacity: 0.7;
}

.book-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--primary-green);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.books-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--primary-green);
    background: transparent;
    color: var(--primary-green);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

.search-box {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.featured-book {
    background: linear-gradient(135deg, var(--primary-green), #0a8c4d);
    color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.featured-content {
    padding: 2rem;
}

.book-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.book-actions .btn {
    flex: 1;
}

.book-modal .modal-content {
    padding: 0;
}

.book-preview {
    height: 400px;
    overflow-y: auto;
    padding: 2rem;
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 60px;
    }

    .book-cover {
        height: 200px;
    }

    .featured-book .row {
        flex-direction: column;
    }
}