/* Stile per il titolo della Categoria */
        .category-block { margin-bottom: 50px; border-bottom: 2px solid #eee; padding-bottom: 20px;}
        .category-block h1 { text-align: center; color: var(--primary); margin-bottom: 40px;}
        .category-title { 
            font-size: 2rem; 
            color: var(--primary); 
            margin-bottom: 20px; 
            padding-bottom: 10px; 
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        /* Contenitore Griglia */
        .book-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: auto;
        }

        /* Stile della Card */
        .book-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .book-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }

        /* Immagine di Copertina */
        .book-cover {
            width: 100%;
            height: 350px;
            object-fit: cover;
            background-color: #ddd;
        }

        /* Dettagli Libro */
        .book-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .book-title {
            font-size: 1.25rem;
            font-weight: bold;
            margin: 0 0 5px 0;
            color: var(--primary);
            text: left;
        }

        .book-author {
            color: #7f8c8d;
            font-style: italic;
            margin-bottom: 15px;
        }

        .book-meta {
            font-size: 0.85rem;
            color: #95a5a6;
            border-top: 1px solid #eee;
            padding-top: 10px;
            margin-top: auto;
        }

        .book-tags {
            display: flex;
            gap: 5px;
            margin-bottom: 10px;
        }

        .tag {
            background: #ecf0f1;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        .isbn-badge {
            display: inline-block;
            margin-top: 5px;
            color: var(--accent);
            font-weight: bold;
        }