/* ==================== STYLE BIBLIOTHÈQUE - VERSION AMÉLIORÉE ==================== */

/* Header de la bibliothèque */
.library-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a202c 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-bottom: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.library-header h1 {
    font-weight: 800;
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.library-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Grille des livres */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 35px;
    padding: 30px 0;
}

/* Carte de livre - Style Portfolio Amélioré */
.book-card-portfolio {
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid #e8eaed;
    position: relative;
}

.book-card-portfolio:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

/* Conteneur de l'image du livre */
.book-image-container {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-bottom: 3px solid var(--primary-color);
}

.book-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.5s ease;
    border-radius: 5px;
}

.book-card-portfolio:hover .book-image {
    transform: scale(1.08) rotate(2deg);
}

.no-cover-portfolio {
    color: #cbd5e0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.no-cover-portfolio i {
    font-size: 4rem;
    margin-bottom: 10px;
}

.no-cover-portfolio span {
    font-size: 0.9rem;
    color: #a0aec0;
}

/* Contenu de la carte */
.book-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

/* Métadonnées du livre */
.book-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.8rem;
}

.book-category {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
}

.book-type {
    color: #718096;
    font-weight: 600;
    background: #f7fafc;
    padding: 5px 10px;
    border-radius: 15px;
}

/* Titre du livre */
.book-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 8px;
    line-height: 1.4;
    min-height: 65px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-card-portfolio:hover .book-title {
    color: var(--primary-color);
}

/* Auteur du livre */
.book-author {
    color: #4a5568;
    font-size: 1rem;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.book-author i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Description du livre */
.book-description {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Bouton de téléchargement */
.download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 14px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-top: auto;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    color: white;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.download-button i {
    font-size: 1.1rem;
}

/* État vide */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 5rem;
    color: #cbd5e0;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #2d3748;
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 1200px) {
    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .library-header h1 {
        font-size: 2rem;
    }
    
    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .book-image-container {
        height: 220px;
        padding: 20px;
    }
    
    .book-content {
        padding: 20px;
    }
    
    .book-title {
        font-size: 1.15rem;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .books-grid {
        grid-template-columns: 1fr;
    }
}


/* ==================== PAGE DÉTAIL LIVRE ==================== */

.book-detail-container {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Breadcrumb */
.book-breadcrumb {
    background: white;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.book-breadcrumb .breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.book-breadcrumb .breadcrumb-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.book-breadcrumb .breadcrumb-item.active {
    color: #4a5568;
    font-weight: 500;
}

.book-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #cbd5e0;
    font-size: 1.3rem;
    padding: 0 10px;
}

/* Couverture grande taille */
.book-cover-large {
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
    border-radius: 15px;
    overflow: hidden;
    background: white;
    transition: all 0.4s ease;
    border: 5px solid #f7fafc;
}

.book-cover-large:hover {
    transform: translateY(-10px) rotate(-2deg);
    box-shadow: 0 35px 70px rgba(0,0,0,0.3);
}

.book-cover-placeholder-large {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 450px;
    color: #a0aec0;
}

.book-cover-placeholder-large i {
    font-size: 6rem;
    margin-bottom: 15px;
}

/* Titre et auteur */
.book-detail-title {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 15px;
    color: #1a202c;
    line-height: 1.2;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.05);
}

.book-detail-author {
    font-size: 1.4rem;
    color: #4a5568;
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.book-detail-author i {
    color: var(--primary-color);
}

.book-detail-author .author-name {
    color: var(--primary-color);
    font-weight: 700;
}

/* Tags */
.book-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.book-tag {
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.book-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.book-tag.category {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.book-tag.info {
    background: white;
    color: #2d3748;
    border: 2px solid #e2e8f0;
}

.book-tag i {
    font-size: 1rem;
}

/* Boutons d'action */
.book-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.btn-download-large {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-download-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
    color: white;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.btn-share-large {
    background: white;
    color: #2d3748;
    padding: 18px 35px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    border: 3px solid var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-share-large:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Carte description */
.book-description-card {
    background: white;
    border: none;
    border-radius: 20px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    overflow: hidden;
    border: 2px solid #f0f0f0;
}

.book-description-card .card-body {
    padding: 30px;
}

.book-description-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.book-description-title i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.book-description-text {
    color: #2d3748;
    line-height: 2;
    font-size: 1.05rem;
    white-space: pre-line;
    font-weight: 400;
}

/* Statistiques */
.book-stats {
    display: flex;
    gap: 30px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    border: 2px solid #f0f0f0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.book-stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #2d3748;
}

.book-stat-item i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

/* Responsive page détail */
@media (max-width: 768px) {
    .book-detail-title {
        font-size: 2rem;
    }
    
    .book-detail-author {
        font-size: 1.1rem;
    }
    
    .btn-download-large,
    .btn-share-large {
        padding: 14px 25px;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .book-stats {
        flex-direction: column;
        gap: 15px;
    }
}