/* ============================================
   CATÁLOGO - ESTILOS
   ============================================ */

.catalogo-container {
    max-width: 1500px;
    margin: 30px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* Sidebar de Filtros */
.filtros-sidebar {
    background: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    padding: 20px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filtros-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

.filtros-header h3 {
    font-family: var(--font-display);
    color: var(--primary-color);
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filtros-header h3 i {
    color: var(--accent-color);
}

.limpiar-filtros {
    font-size: 12px;
    color: var(--secondary-color);
    text-decoration: none;
}

.limpiar-filtros:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.filtro-grupo {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filtro-grupo:last-of-type {
    border-bottom: none;
}

.filtro-grupo h4 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    font-size: 15px;
    margin-bottom: 12px;
    font-weight: 700;
}

.search-box {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.search-box input {
    flex: 1;
    padding: 10px;
    border: none;
    font-size: 13px;
    outline: none;
}

.search-box button {
    background: var(--accent-color);
    color: var(--primary-dark);
    padding: 0 15px;
    border: none;
    cursor: pointer;
}

.filtro-opciones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filtro-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    padding: 5px;
    border-radius: 4px;
    transition: var(--transition);
}

.filtro-radio:hover {
    background: var(--bg-tertiary);
}

.filtro-radio input[type="radio"] {
    accent-color: var(--accent-color);
    cursor: pointer;
}

.precio-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 10px;
}

.precio-input label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.precio-input input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

.precio-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.preset-btn {
    padding: 5px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
}

.preset-btn:hover {
    background: var(--accent-color);
    color: var(--primary-dark);
    border-color: var(--accent-color);
}

.btn-aplicar-filtros {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-aplicar-filtros:hover {
    background: var(--accent-color);
    color: var(--primary-dark);
    border-color: var(--accent-color);
}

/* Contenido Principal */
.catalogo-main {
    background: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    padding: 25px;
}

.catalogo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
    gap: 15px;
}

.catalogo-info h1 {
    font-family: var(--font-display);
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 5px;
}

.resultados-info {
    font-size: 14px;
    color: var(--text-muted);
}

.catalogo-orden {
    display: flex;
    align-items: center;
    gap: 10px;
}

.catalogo-orden label {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.catalogo-orden select {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-secondary);
    cursor: pointer;
}

/* Grid de libros */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.book-title-link {
    text-decoration: none;
    color: inherit;
}

.book-title-link:hover .book-title {
    color: var(--accent-hover);
}

.book-badge.discount {
    background: var(--danger-color);
}

.separator {
    color: var(--border-color);
}

/* Paginación */
.paginacion {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    padding: 8px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
}

.page-btn.active {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 64px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* Notificaciones */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--bg-secondary);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    animation: slideIn 0.3s ease;
    max-width: 350px;
    border-left: 4px solid var(--accent-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification i {
    font-size: 20px;
}

.notification-success {
    border-left-color: var(--success-color);
}

.notification-success i {
    color: var(--success-color);
}

.notification-info {
    border-left-color: var(--info-color);
}

.notification-info i {
    color: var(--info-color);
}

@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 1024px) {
    .catalogo-container {
        grid-template-columns: 1fr;
    }
    
    .filtros-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .catalogo-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 15px;
    }
}

.catalog-filter-select {
    width: 100%;
    padding: 10px 11px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #fff;
    color: var(--text-primary);
}

.catalog-eyebrow,
.catalog-book-category {
    color: #956f3c;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.catalogo-info h1 {
    margin-top: 4px;
}

.catalog-format-badge {
    position: absolute;
    left: 11px;
    top: 11px;
    padding: 4px 8px;
    border-radius: 99px;
    background: rgba(46, 30, 24, .86);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
}

.catalog-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 9px 0;
    color: #9a7336;
    font-size: 11px;
}

.catalog-rating strong { color: var(--text-primary); }
.catalog-rating span { color: var(--text-muted); }

.book-card .book-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-card .book-title {
    font-size: 17px;
    line-height: 1.25;
}

.book-card .btn-add-cart {
    margin-top: 12px;
}