/* PDF-BOOK v6.9 FINAL */

/* Grid Layouts */
.pdf-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 5px;
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Book Items */
.pdf-item, .rec-book-item {
    text-align: center;
    transition: transform 0.3s ease;
}

.pdf-item:hover, .rec-book-item:hover {
    transform: translateY(-5px);
}

.pdf-item img, .rec-book-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1200 / 800;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
}

.pdf-title, .rec-book-title {
    font-size: 14px;
    color: #fff;
    margin: 10px 0 0;
    line-height: 1.4;
    height: 40px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-weight: 500;
}

/* Category Toggle */
.pdf-cats-toggle {
    margin-bottom: 5px;
    display: flex;
    justify-content: flex-start;
}

.cat-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s;
}

.cat-toggle-btn:hover {
    background: rgba(255,255,255,0.15);
}

.cat-toggle-btn.active {
    background: rgba(255,255,255,0.2);
}

.cat-toggle-btn .icon {
    font-size: 8px;
    transition: transform 0.3s;
}

.cat-toggle-btn.active .icon {
    transform: rotate(180deg);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* Categories List */
.categories-container {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 15px;
}

.categories-section {
    min-width: 250px;
}

.categories-list {
    display: none;
    animation: fadeIn 0.3s;
}

.categories-list.active {
    display: block;
}

.categories-list ul {
    list-style: none;
    margin: 0;
    padding: 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

.categories-list li {
    margin: 0;
}

.categories-list a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    transition: all 0.3s;
    text-align: center;
    border-radius: 4px;
}

.categories-list a svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.categories-list a:hover {
    background: rgba(255,255,255,0.15);
}

.categories-list a.active {
    background: #4CAF50;
    color: white;
}

.categories-list a.active svg {
    fill: white;
}

/* Recommended Books */
.recommended-books {
    margin: 35px 0 30px;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.recommended-title {
    font-size: 22px;
    color: #fff;
    margin-bottom: 25px;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.no-books {
    grid-column: 1/-1;
    text-align: center;
    padding: 25px;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

/* Pagination */
.pdf-pagination {
    margin-top: 25px;
    text-align: center;
}

.pdf-pagination ul {
    display: flex;
    justify-content: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pdf-pagination li {
    display: inline-block;
}

.pdf-pagination a, .pdf-pagination span {
    display: inline-block;
    padding: 8px 14px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    border-radius: 6px;
    transition: all 0.2s;
    border: 1px solid rgba(255,255,255,0.1);
}

.pdf-pagination a:hover {
    background: rgba(255,255,255,0.2);
}

.pdf-pagination .current {
    background: #4CAF50;
    border-color: #4CAF50;
}

/* ADS Container - Har qanday o'lchamga mos */
.ads-container {
    margin: 25px auto 10px;
    padding: 15px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    box-sizing: border-box;
    overflow-x: auto;
}

.ads-container * {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
}

.ads-container iframe,
.ads-container ins,
.ads-container div[id*="container"],
.ads-container div[id*="ad"] {
    max-width: 100% !important;
    width: auto !important;
    min-width: 0 !important;
}

.ads-container img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 992px) {
    .pdf-grid, .recommended-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .pdf-grid, .recommended-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .categories-list ul {
        grid-template-columns: repeat(2, 1fr);
    }
    .pdf-title, .rec-book-title {
        font-size: 12px;
        height: 38px;
    }
    .ads-container {
        padding: 10px;
    }
}

@media (max-width: 576px) {
    .pdf-grid, .recommended-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .pdf-title, .rec-book-title {
        font-size: 11px;
        height: 34px;
    }
    .categories-list ul {
        grid-template-columns: 1fr;
    }
    .recommended-title {
        font-size: 18px;
    }
}