/* Books Page Styles */

#books {
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    padding-top: 2rem;
}

#books h1 {
    color: var(--text-secondary-color);
    font-weight: 600;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

#books h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.reading-section {
    margin-bottom: 4rem;
}

.section-title {
    color: var(--text-secondary-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.section-title i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.book-card {
    background-color: var(--secondary-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0px 8px 56px rgb(15 80 100 / 16%);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgb(15 80 100 / 25%);
}

.book-cover {
    text-align: center;
    margin-bottom: 1rem;
}

.book-cover img {
    width: 120px;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.book-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.book-info h4 {
    color: var(--text-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
}

.book-info .author {
    color: var(--text-secondary-color);
    font-style: italic;
    margin-bottom: 1rem;
    text-align: center;
}

.book-info .description {
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.progress-bar {
    background-color: var(--background-color);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress {
    background: linear-gradient(90deg, var(--primary-color), #4CAF50);
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--text-secondary-color);
    text-align: center;
    display: block;
}

.podcast-item, .blog-item {
    background-color: var(--secondary-color);
    padding: 1.2rem;
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0px 4px 20px rgb(15 80 100 / 12%);
    transition: transform 0.2s, box-shadow 0.2s;
}

.podcast-item:hover, .blog-item:hover {
    transform: translateY(-2px);
    box-shadow: 0px 6px 25px rgb(15 80 100 / 18%);
}

.podcast-item i, .blog-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    min-width: 24px;
}

.podcast-item h5, .blog-item h5 {
    color: var(--text-color);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.podcast-item p, .blog-item p {
    color: var(--text-secondary-color);
    margin: 0;
    font-size: 0.9rem;
}

/* Navigation Tabs */
.nav-tabs-container {
    border-bottom: 2px solid var(--secondary-color);
}

.nav-tabs {
    border: none;
}

.nav-tabs .nav-link {
    background: none;
    border: none;
    color: var(--text-secondary-color);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 0;
    transition: all 0.3s;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border: none;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background: none;
    border: none;
    border-bottom: 3px solid var(--primary-color);
}

.nav-tabs .nav-link i {
    margin-right: 0.5rem;
}

/* Book Categories */
.book-categories {
    margin-bottom: 3rem;
}

.category-card {
    background-color: var(--secondary-color);
    padding: 2rem 1rem;
    border-radius: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0px 4px 20px rgb(15 80 100 / 12%);
    height: 100%;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 8px 30px rgb(15 80 100 / 20%);
    background-color: var(--primary-color);
    color: white;
}

.category-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: color 0.3s;
}

.category-card:hover i {
    color: white;
}

.category-card h5 {
    color: var(--text-color);
    font-weight: 600;
    margin: 0;
    transition: color 0.3s;
}

.category-card:hover h5 {
    color: white;
}

/* Tab Content */
.tab-content {
    min-height: 500px;
}

/* Filter Controls */
.filter-controls {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.filter-title {
    color: var(--text-secondary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.filter-btn {
    background-color: var(--background-color);
    color: var(--text-color);
    border: 2px solid transparent;
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.filter-btn i {
    font-size: 0.9rem;
}

/* Book Tags */
.book-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Filter Animation */
.book-item {
    transition: all 0.3s ease;
}

.book-item.hidden {
    display: none;
}

/* Want to Read List */
.want-to-read-list {
    max-width: 800px;
}

.book-list-item {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 0.8rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.book-list-item:hover {
    transform: translateX(5px);
    box-shadow: 0px 4px 15px rgb(15 80 100 / 15%);
}

.book-title {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.book-author {
    color: var(--primary-color);
    font-style: italic;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.book-summary {
    color: var(--text-secondary-color);
    line-height: 1.5;
    margin: 0;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .book-cover img {
        width: 100px;
        height: 150px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .book-info h4 {
        font-size: 1.1rem;
    }
    
    .nav-tabs .nav-link {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
    
    .category-card {
        padding: 1.5rem 0.5rem;
    }
    
    .category-card i {
        font-size: 2rem;
    }
}