/* Estilos modernos para fichas de anuncios - Inspirado en Backmarket */

/* Variables CSS para consistencia */
:root {
    --primary-color: #059669;
    --primary-hover: #047857;
    --secondary-color: #3b82f6;
    --secondary-hover: #1d4ed8;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e0;
    --background-card: #ffffff;
    --background-hover: #f8fafc;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Grid de anuncios - Inspirado en coches.net */
.ads-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 0;
    padding: 0;
}

/* Anuncios destacados con borde dorado */
.ad-card.featured {
    border: 4px solid #FFD700 !important;
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.5) !important;
    position: relative;
    overflow: hidden;
    transform: scale(1.02);
    transition: all 0.3s ease;
}

.ad-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FFD700, #FFA500, #FFD700);
    z-index: 1;
}

.ad-card.featured .ad-image-container {
    position: relative;
}

.ad-card.featured .ad-image-container::after {
    content: '⭐ DESTACADO';
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
    z-index: 2;
}

/* Efecto hover para anuncios destacados */
.ad-card.featured:hover {
    transform: scale(1.05);
    box-shadow: 0 0 35px rgba(255, 215, 0, 0.7) !important;
    border-color: #FFA500 !important;
}

/* Grid responsive - Pantallas grandes */
@media (max-width: 1600px) {
    .ads-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
}

/* Grid responsive - Laptops */
@media (max-width: 1200px) {
    .ads-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
}

/* Grid responsive - Tablets grandes */
@media (max-width: 1024px) {
    .ads-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

/* Grid responsive - Tablets */
@media (max-width: 900px) {
    .ads-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* Grid responsive - Móviles grandes */
@media (max-width: 768px) {
    .ads-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 0;
        padding: 0;
    }
    
    .ad-card {
        margin-bottom: 0;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        transition: transform 0.2s, box-shadow 0.2s;
    }
    
    .ad-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    }
    
    .ad-image-container {
        height: 200px;
        position: relative;
        overflow: hidden;
    }
    
    .ad-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s;
    }
    
    .ad-card:hover .ad-image {
        transform: scale(1.05);
    }
    
    .ad-content {
        padding: 16px;
    }
    
    .ad-title {
        font-size: 1rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 8px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .ad-price {
        font-size: 1.1rem;
        font-weight: 700;
        color: #059669;
        margin-bottom: 12px;
    }
    
    .ad-meta {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    .ad-meta-item {
        font-size: 0.8rem;
        color: #666;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    .ad-meta-item i {
        font-size: 0.7rem;
        width: 12px;
        text-align: center;
    }
    
    .ad-price-badge {
        position: absolute;
        top: 8px;
        right: 8px;
        background: #059669;
        color: white;
        padding: 4px 8px;
        border-radius: 12px;
        font-size: 0.7rem;
        font-weight: 600;
    }
    
    .category-badge {
        display: inline-block;
        background: #f0f9ff;
        color: #0369a1;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 500;
        margin-bottom: 8px;
    }
}

/* Grid responsive - Móviles medianos */
@media (max-width: 600px) {
    .ads-grid {
        gap: 6px;
    }
    
    .ad-card {
        margin-bottom: 4px;
    }
    
    .ad-image-container {
        height: 120px;
    }
    
    .ad-content {
        padding: 8px;
    }
    
    .ad-title {
        font-size: 0.8rem;
        min-height: 1.6em;
        margin-bottom: 3px;
    }
    
    .ad-price {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }
    
    .ad-meta {
        gap: 2px;
    }
    
    .ad-meta-item {
        font-size: 0.65rem;
    }
    
    .ad-price-badge {
        padding: 2px 4px;
        font-size: 0.65rem;
        top: 4px;
        right: 4px;
    }
    
    .category-badge {
        font-size: 0.55rem;
        padding: 1px 3px;
        margin-bottom: 3px;
    }
}

/* Grid responsive - Móviles pequeños */
@media (max-width: 480px) {
    .ads-grid {
        gap: 4px;
    }
    
    .ad-card {
        margin-bottom: 3px;
        border-radius: 6px;
    }
    
    .ad-image-container {
        height: 100px;
    }
    
    .ad-content {
        padding: 6px;
    }
    
    .ad-title {
        font-size: 0.75rem;
        min-height: 1.4em;
        margin-bottom: 2px;
        line-height: 1.1;
    }
    
    .ad-price {
        font-size: 0.8rem;
        margin-bottom: 3px;
    }
    
    .ad-meta {
        gap: 1px;
    }
    
    .ad-meta-item {
        font-size: 0.6rem;
    }
    
    .ad-price-badge {
        padding: 1px 3px;
        font-size: 0.6rem;
        top: 3px;
        right: 3px;
    }
    
    .category-badge {
        font-size: 0.5rem;
        padding: 1px 2px;
        margin-bottom: 2px;
    }
}

/* Grid responsive - Móviles muy pequeños */
@media (max-width: 360px) {
    .ads-grid {
        gap: 3px;
    }
    
    .ad-card {
        margin-bottom: 2px;
        border-radius: 4px;
    }
    
    .ad-image-container {
        height: 80px;
    }
    
    .ad-content {
        padding: 4px;
    }
    
    .ad-title {
        font-size: 0.7rem;
        min-height: 1.2em;
        margin-bottom: 1px;
        line-height: 1;
    }
    
    .ad-price {
        font-size: 0.75rem;
        margin-bottom: 2px;
    }
    
    .ad-meta {
        gap: 0;
    }
    
    .ad-meta-item {
        font-size: 0.55rem;
    }
    
    .ad-price-badge {
        padding: 1px 2px;
        font-size: 0.55rem;
        top: 2px;
        right: 2px;
    }
    
    .category-badge {
        font-size: 0.45rem;
        padding: 0 1px;
        margin-bottom: 1px;
    }
}

/* Ficha de anuncio moderna */
.ad-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.ad-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.ad-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Contenedor de imagen */
.ad-image-container {
    position: relative;
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.ad-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.ad-card:hover .ad-image {
    transform: scale(1.05);
}

/* Placeholder para imágenes */
.ad-no-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 2.5rem;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.ad-no-image i {
    margin-bottom: 8px;
    opacity: 0.6;
}

/* Badge de precio */
.ad-price-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: -0.025em;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
}

/* Contenido de la ficha */
.ad-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Título del anuncio */
.ad-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

/* Precio principal */
.ad-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: -0.025em;
}

/* Metadatos del anuncio */
.ad-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: auto;
}

.ad-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.ad-meta-item i {
    font-size: 0.75rem;
    width: 12px;
    text-align: center;
    color: var(--text-muted);
}

/* Estilos específicos para la información del país */
.ad-country {
    font-weight: 600;
    color: var(--text-secondary);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid #bae6fd;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ad-country:hover {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    transform: translateY(-1px);
    transition: var(--transition);
}

/* Estado del producto */
.ad-condition {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: #f0fdf4;
    color: #166534;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.ad-condition.new {
    background: #eff6ff;
    color: #1d4ed8;
}

.ad-condition.used {
    background: #fef3c7;
    color: #92400e;
}

/* Ubicación */
.ad-location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Fecha de publicación */
.ad-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.8;
}

/* Ficha de anuncio destacado */
.ad-card.featured {
    border: 2px solid #fbbf24;
    position: relative;
}

.ad-card.featured::before {
    content: '⭐ Destacado';
    position: absolute;
    top: 12px;
    left: 12px;
    background: #fbbf24;
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
}

/* Ficha de anuncio promocionado */
.ad-card.promoted {
    border: 2px solid var(--secondary-color);
    position: relative;
}

.ad-card.promoted::before {
    content: '🚀 Promocionado';
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--secondary-color);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
}

/* Estados de hover mejorados */
.ad-card:hover .ad-title {
    color: var(--secondary-color);
}

.ad-card:hover .ad-price {
    color: var(--primary-hover);
}

/* Estilos responsive adicionales para listas de anuncios */
@media (max-width: 768px) {
    .ads-list .ad-card {
        grid-template-columns: 150px 1fr;
        gap: 0;
    }
    
    .ads-list .ad-image-container {
        height: 120px;
    }
    
    .ads-list .ad-content {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .ads-list .ad-card {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .ads-list .ad-image-container {
        height: 160px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .ads-list .ad-content {
        padding: 14px;
    }
}

/* Fichas de anuncios relacionados */
.related-ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.related-ad-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.related-ad-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.related-ad-image {
    height: 140px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.related-ad-content {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.related-ad-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-ad-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

/* Estilos para listas de anuncios */
.ads-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ads-list .ad-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    height: auto;
    gap: 0;
}

.ads-list .ad-image-container {
    height: 150px;
    border-bottom: none;
    border-right: 1px solid var(--border-color);
}

.ads-list .ad-content {
    padding: 20px;
}

/* Estados de carga */
.ad-card.loading {
    opacity: 0.6;
    pointer-events: none;
}

.ad-card.loading .ad-image-container {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Mejoras de accesibilidad */
.ad-card:focus-within {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

.ad-link:focus {
    outline: none;
}

/* Animaciones suaves */
.ad-card,
.ad-image,
.ad-title,
.ad-price {
    transition: var(--transition);
}

/* Estilos para categorías */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--background-hover);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
    margin-bottom: 8px;
}

.category-badge i {
    font-size: 0.625rem;
}

/* Estilos para badges de filtros */
.ad-filter-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 8px 0;
}

.filter-badge {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    color: #495057;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-badge:hover {
    background: #e9ecef;
    border-color: #dee2e6;
    transform: translateY(-1px);
}

.filter-badge .badge-label {
    font-weight: 600;
    color: #6c757d;
    font-size: 0.65rem;
}

.filter-badge .badge-value {
    font-weight: 500;
    color: #495057;
    font-size: 0.7rem;
}

/* Colores específicos para diferentes tipos de filtros */
.filter-badge.badge-year {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    border-color: #ff6b6b;
    box-shadow: 0 2px 4px rgba(255, 107, 107, 0.2);
}

.filter-badge.badge-year .badge-label,
.filter-badge.badge-year .badge-value {
    color: white;
}

.filter-badge.badge-km {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: white;
    border-color: #4ecdc4;
    box-shadow: 0 2px 4px rgba(78, 205, 196, 0.2);
}

.filter-badge.badge-km .badge-label,
.filter-badge.badge-km .badge-value {
    color: white;
}

.filter-badge.badge-fuel {
    background: linear-gradient(135deg, #45b7d1, #96c93d);
    color: white;
    border-color: #45b7d1;
    box-shadow: 0 2px 4px rgba(69, 183, 209, 0.2);
}

.filter-badge.badge-fuel .badge-label,
.filter-badge.badge-fuel .badge-value {
    color: white;
}

.filter-badge.badge-transmission {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
    border-color: #f093fb;
    box-shadow: 0 2px 4px rgba(240, 147, 251, 0.2);
}

.filter-badge.badge-transmission .badge-label,
.filter-badge.badge-transmission .badge-value {
    color: white;
}

.filter-badge.badge-default {
    background: #6c757d;
    color: white;
    border-color: #6c757d;
    box-shadow: 0 2px 4px rgba(108, 117, 125, 0.2);
}

.filter-badge.badge-default .badge-label,
.filter-badge.badge-default .badge-value {
    color: white;
}

/* Contador de fotos */
.ad-photos {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Responsive para badges de filtros */
@media (max-width: 768px) {
    .ad-filter-badges {
        gap: 4px;
    }
    
    .filter-badge {
        font-size: 0.65rem;
        padding: 2px 6px;
    }
    
    .filter-badge .badge-label {
        font-size: 0.6rem;
    }
    
    .filter-badge .badge-value {
        font-size: 0.65rem;
    }
}

/* Estilos para enlaces de categorías jerárquicas */
.filter-option-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin: 4px 0;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.filter-option-link:hover {
    background: var(--background-hover);
    border-color: var(--border-hover);
    color: var(--primary-color);
    transform: translateX(4px);
}

.filter-option-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

.filter-option-link i {
    margin-right: 8px;
    font-size: 16px;
    width: 16px;
    text-align: center;
}

.subcategory-indicator {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: bold;
}

.filter-option-link.active .subcategory-indicator {
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive para enlaces de categorías */
@media (max-width: 768px) {
    .filter-option-link {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .filter-option-link i {
        font-size: 14px;
        margin-right: 6px;
    }
}

/* ===== FILTROS JERÁRQUICOS MEJORADOS ===== */

/* Contenedor principal de categorías jerárquicas */
.hierarchical-categories {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Sección de filtros de categorías */
.category-filter-section {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e9ecef;
}

.category-filter-section .filter-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin: -16px -16px 16px -16px;
    padding: 16px;
    border-radius: 12px 12px 0 0;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Niveles de categorías */
.category-level {
    background: white;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.category-level:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Headers de niveles */
.level-header {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.level-header:hover {
    background: #f8f9fa;
}

.level-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #495057;
    position: relative;
}

.level-icon {
    font-size: 12px;
    color: #6c757d;
    transition: transform 0.2s ease;
}

.level-text {
    flex: 1;
}

.level-count {
    background: #e9ecef;
    color: #6c757d;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

/* Colores específicos para cada nivel */
.level-1 .level-title {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
    border-bottom: 2px solid #2196f3;
}

.level-2 .level-title {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    color: #2e7d32;
    border-bottom: 2px solid #4caf50;
}

.level-3 .level-title {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
    color: #f57c00;
    border-bottom: 2px solid #ff9800;
}

/* Contenido de niveles */
.level-content {
    padding: 0;
    background: white;
}

/* Opciones de filtro */
.filter-options {
    padding: 8px;
}

.filter-option-link {
    display: block;
    text-decoration: none;
    color: #495057;
    border-radius: 6px;
    margin-bottom: 4px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.filter-option-link:hover {
    text-decoration: none;
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.option-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
}

.option-icon {
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.option-text {
    font-weight: 500;
    font-size: 13px;
}

/* Estilos específicos por nivel */
.level-1-option {
    background: #f8f9ff;
    border-left: 3px solid #2196f3;
}

.level-1-option:hover {
    background: #e3f2fd;
    border-left-color: #1976d2;
}

.level-1-option.active {
    background: linear-gradient(135deg, #2196f3, #1976d2);
    color: white;
    border-left-color: #0d47a1;
}

.level-2-option {
    background: #f1f8e9;
    border-left: 3px solid #4caf50;
    margin-left: 12px;
}

.level-2-option:hover {
    background: #e8f5e8;
    border-left-color: #388e3c;
}

.level-2-option.active {
    background: linear-gradient(135deg, #4caf50, #388e3c);
    color: white;
    border-left-color: #2e7d32;
}

.level-3-option {
    background: #fffbf0;
    border-left: 3px solid #ff9800;
    margin-left: 24px;
}

.level-3-option:hover {
    background: #fff8e1;
    border-left-color: #f57c00;
}

.level-3-option.active {
    background: linear-gradient(135deg, #ff9800, #f57c00);
    color: white;
    border-left-color: #e65100;
}

/* Grupos de subcategorías */
.subcategory-group {
    margin-bottom: 12px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
}

.subcategory-parent {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    color: #2e7d32;
    padding: 8px 12px;
    font-weight: 600;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #c8e6c9;
}

.subcategory-children {
    padding: 4px;
    background: white;
}

/* Grupos de microcategorías */
.microcategory-group {
    margin-bottom: 16px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
}

.microcategory-grandparent {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
    padding: 8px 12px;
    font-weight: 600;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #bbdefb;
}

.microcategory-parent {
    border-bottom: 1px solid #f0f0f0;
}

.microcategory-parent:last-child {
    border-bottom: none;
}

.microcategory-parent-header {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
    color: #f57c00;
    padding: 6px 12px 6px 20px;
    font-weight: 600;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #ffecb3;
}

.microcategory-children {
    padding: 4px 4px 4px 32px;
    background: white;
}

/* Estados activos */
.level-1-option.active .option-icon,
.level-2-option.active .option-icon,
.level-3-option.active .option-icon {
    color: rgba(255, 255, 255, 0.9);
}

.level-1-option.active .option-text,
.level-2-option.active .option-text,
.level-3-option.active .option-text {
    color: white;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .hierarchical-categories {
        gap: 8px;
    }
    
    .category-filter-section {
        padding: 12px;
    }
    
    .category-filter-section .filter-title {
        margin: -12px -12px 12px -12px;
        padding: 12px;
        font-size: 14px;
    }
    
    .level-title {
        padding: 12px;
        font-size: 13px;
    }
    
    .option-content {
        padding: 8px 10px;
    }
    
    .option-text {
        font-size: 12px;
    }
    
    .level-2-option {
        margin-left: 8px;
    }
    
    .level-3-option {
        margin-left: 16px;
    }
    
    .microcategory-children {
        padding-left: 24px;
    }
    
    .subcategory-parent,
    .microcategory-grandparent,
    .microcategory-parent-header {
        font-size: 11px;
        padding: 6px 10px;
    }
}