/* ====== مكتبة الكتب ====== */

/* هيدر المكتبة */
.library-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.library-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201,162,39,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.library-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201,162,39,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.library-hero-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.library-hero-badge {
    display: inline-block;
    background: rgba(201,162,39,0.15);
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.library-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 15px;
}

.text-gold { color: var(--secondary); }

.library-hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
}

/* قسم البحث */
.library-tools {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 70px;
    z-index: 100;
    padding: 0;
}

.library-tools-wrapper {
    padding: 20px 0;
}

.search-box {
    position: relative;
    margin-bottom: 18px;
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1rem;
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 14px 48px 14px 48px;
    border: 2px solid var(--border);
    border-radius: var(--radius-full);
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--text);
    background: var(--off-white);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(201,162,39,0.1);
    background: var(--white);
}

.search-box input::placeholder {
    color: var(--gray-400);
}

.search-clear {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-size: 0.75rem;
}

.search-clear.show {
    opacity: 1;
    visibility: visible;
}

.filter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 7px 18px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: var(--radius-full);
    font-family: var(--font-main);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(201,162,39,0.05);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary);
    border-color: var(--secondary);
    font-weight: 600;
}

/* شبكة الكتب */
.library-books {
    padding: 40px 0 80px;
    background: var(--off-white);
    min-height: 60vh;
}

.library-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.library-count {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.library-view {
    display: flex;
    gap: 5px;
    background: var(--white);
    padding: 3px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.view-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: 6px;
    color: var(--gray-400);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.85rem;
}

.view-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* === عرض شبكي === */
.books-grid.grid-view {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* === عرض قائمة === */
.books-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.books-grid.list-view .book-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.books-grid.list-view .book-cover {
    width: 180px;
    flex-shrink: 0;
}

.books-grid.list-view .book-cover-placeholder {
    aspect-ratio: auto;
    height: 100%;
    min-height: 200px;
    background-size: cover;
    background-position: center;
}

.books-grid.list-view .book-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.books-grid.list-view .book-overlay {
    display: none;
}

/* بطاقة الكتاب في المكتبة */
.book-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    cursor: pointer;
    position: relative;
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    border-color: rgba(0,0,0,0.1);
}

.book-cover {
    position: relative;
    overflow: hidden;
}

.book-cover-placeholder {
    aspect-ratio: 3/4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.35);
    font-size: 2.8rem;
    gap: 8px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border-radius: 0;
}

.book-card:hover .book-cover-placeholder {
    transform: scale(1.05);
}
.book-card:hover .book-cover-placeholder i {
    transform: scale(1.1);
}

.book-cover-placeholder i {
    transition: var(--transition);
    opacity: 0.7;
}

.book-cover-placeholder span {
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.4;
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-card:hover .book-overlay {
    opacity: 1;
}

.book-info {
    padding: 18px 20px 20px;
}

.book-category {
    display: inline-block;
    background: linear-gradient(135deg, #f5e6d3, #fdf0d8);
    color: #8b6b4a;
    padding: 3px 14px;
    border-radius: 20px;
    font-size: 0.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.book-info h3 {
    font-size: 1.02rem;
    color: var(--primary);
    margin-bottom: 4px;
    font-weight: 700;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-author {
    font-size: 0.78rem;
    color: var(--secondary);
    margin-bottom: 8px;
    font-family: var(--font-accent);
    font-style: italic;
}

.book-author::before {
    content: "تأليف: ";
    color: var(--text-light);
    font-style: normal;
    font-family: var(--font-main);
    font-size: 0.68rem;
}

.book-desc {
    display: none;
}

.book-card-price {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
    margin: 4px 0 0;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}
.book-card-price::before {
    content: '💰 ';
    font-size: 0.85rem;
}

/* لا توجد نتائج */
.no-results {
    text-align: center;
    padding: 80px 20px;
    display: none;
}

.no-results.show {
    display: block;
}

.no-results i {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: 20px;
}

.no-results h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.no-results p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* الترقيم */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 45px;
    flex-wrap: wrap;
}

.page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.page-btn.active {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary);
    border-color: var(--secondary);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: default;
    pointer-events: none;
}

/* === نافذة تفاصيل الكتاب === */
.book-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    padding: 20px;
}

.book-modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.book-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-modal-overlay.open .book-modal {
    transform: scale(1) translateY(0);
}

.book-modal-close {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 38px;
    height: 38px;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 10;
}

.book-modal-close:hover {
    background: #fee2e2;
    color: #dc2626;
}

.book-modal-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 0;
}

.book-modal-cover {
    background: linear-gradient(135deg, var(--off-white) 0%, #f5f0eb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
}

.book-modal-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    border-radius: var(--radius);
    color: rgba(255,255,255,0.5);
    overflow: hidden;
}

.book-modal-info {
    padding: 40px 45px;
    position: relative;
}

.book-modal-info .book-category {
    margin-bottom: 12px;
    font-size: 0.7rem;
    padding: 4px 16px;
}

.book-modal-info h2 {
    font-size: 1.7rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 800;
    line-height: 1.3;
}

.book-modal-info .book-author {
    font-size: 0.9rem;
    margin-bottom: 18px;
    color: var(--secondary);
}
.book-modal-info .book-author::before {
    content: "تأليف: ";
    font-size: 0.78rem;
    color: var(--text-light);
    font-style: normal;
}

.book-modal-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 8px 0 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.book-modal-price i {
    font-size: 1.1rem;
    color: var(--secondary);
}

.book-modal-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.book-modal-meta span {
    font-size: 0.82rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.book-modal-meta i {
    color: var(--secondary);
    width: 16px;
}

.book-modal-desc {
    font-size: 0.92rem;
    color: var(--text);
    line-height: 2;
    margin-bottom: 5px;
}

.book-modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
    flex-wrap: nowrap;
}

.book-modal-actions .btn {
    flex: 1;
    padding: 14px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 12px;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}
.book-modal-actions .btn i {
    margin-left: 8px;
    font-size: 1.05rem;
}
.book-modal-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(26,39,68,0.3);
}
.book-modal-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26,39,68,0.4);
}

.book-modal-actions .btn-outline {
    color: var(--primary);
    border: 2px solid var(--secondary);
    background: transparent;
}
.book-modal-actions .btn-outline:hover {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary);
    border-color: var(--secondary);
    transform: translateY(-2px);
}

.book-modal-placeholder img,
.book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

@media (max-width: 1024px) {
    .books-grid.grid-view { grid-template-columns: repeat(2, 1fr); }
    .book-modal-content { grid-template-columns: 250px 1fr; }
}

@media (max-width: 768px) {
    .library-hero { padding: 70px 0 50px; }
    .library-hero h1 { font-size: 1.8rem; }
    .library-hero p { font-size: 0.85rem; }
    .library-tools { top: 60px; }
    .library-tools-wrapper { padding: 15px 0; }
    .search-box input { padding: 12px 42px 12px 42px; font-size: 0.85rem; }
    .filter-tabs { gap: 4px; }
    .filter-btn { padding: 5px 12px; font-size: 0.72rem; }
    .books-grid.grid-view { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .library-books { padding: 25px 0 50px; }
    .library-meta { margin-bottom: 15px; }

    .books-grid.list-view .book-card { flex-direction: column; }
    .books-grid.list-view .book-cover { width: 100%; }
    .books-grid.list-view .book-cover-placeholder { aspect-ratio: 3/1; min-height: auto; }

    .book-modal-content { grid-template-columns: 1fr; }
    .book-modal-cover { padding: 20px; }
    .book-modal-placeholder { max-width: 200px; margin: 0 auto; font-size: 3rem; }
    .book-modal-info { padding: 25px; }
    .book-modal-info h2 { font-size: 1.2rem; }
    .book-modal-desc { font-size: 0.82rem; }
    .book-modal-meta { gap: 10px; }
    .book-modal-meta span { font-size: 0.75rem; }
}

@media (max-width: 480px) {
    .library-hero { padding: 50px 0 35px; }
    .library-hero h1 { font-size: 1.3rem; }
    .library-hero p { font-size: 0.78rem; }
    .library-hero-badge { font-size: 0.65rem; padding: 4px 12px; }
    .books-grid.grid-view { grid-template-columns: 1fr; gap: 12px; }
    .filter-tabs { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 5px; }
    .filter-btn { flex-shrink: 0; }
    .library-meta { flex-direction: column; gap: 10px; align-items: flex-start; }
    .book-modal { margin: 10px; }
    .book-modal-info { padding: 20px; }
    .book-modal-actions .btn { padding: 12px 14px; font-size: 0.82rem; white-space: nowrap; }
}