/* 
 * Sistema de Filtros del Catálogo - Rediseño Intuitivo
 * Interfaz moderna y fácil de usar
 */

/* Contenedor principal */
.catalogo-filtros {
    background: var(--color-surface);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 5;
    box-shadow: var(--shadow-md);
    display: block;
    width: 100%;
    clear: both;
}

.filtros-header {
    display: flex;
    align-items: stretch;
    gap: 1rem;
    margin-bottom: 0;
}

/* Barra de búsqueda mejorada */
.search-box {
    flex: 1;
    max-width: none;
}

.search-input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-background);
    border: 2px solid transparent;
    border-radius: 50px;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.search-input-group:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 8px 25px rgba(245, 124, 0, 0.15);
    transform: translateY(-2px);
}

.search-input-group i.fa-search {
    position: absolute;
    left: 1.25rem;
    color: #6c757d;
    font-size: 1.1rem;
    z-index: 2;
    transition: color 0.3s ease;
}

.search-input-group:focus-within i.fa-search {
    color: var(--color-accent);
}

.search-input {
    width: 100%;
    padding: 1.25rem 3.5rem 1.25rem 3.25rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--color-text-light);
    outline: none;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

.search-input:focus::placeholder {
    color: var(--color-text-secondary);
}

.search-clear {
    position: absolute;
    right: 1rem;
    background: var(--color-surface-light);
    border: none;
    color: var(--color-text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: scale(0.8);
}

.search-input:not(:placeholder-shown) + .search-clear {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.search-clear:hover {
    background: var(--color-surface-light);
    color: var(--color-danger);
    transform: scale(1.1);
}

/* Botón de filtros rediseñado */
.filtros-toggle {
    display: flex;
    align-items: center;
}

.btn-filtros {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
    min-width: 140px;
    justify-content: center;
}

.btn-filtros:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.15);
}

.btn-filtros.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.3);
}

.btn-filtros i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.btn-filtros.active i {
    transform: rotate(180deg);
}

.filtros-count {
    background: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 50px;
    min-width: 22px;
    text-align: center;
    display: none;
}

.filtros-count.visible {
    display: block;
    animation: bounceIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.btn-filtros.active .filtros-count {
    background: rgba(255, 255, 255, 0.3);
}

/* Panel de filtros */
.filtros-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.filtros-panel.active {
    max-height: 600px;
    opacity: 1;
    padding: var(--spacing-lg);
    position: relative;
}

.filtros-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: 120px; /* Espacio para sticky acciones */
}

/* Grupos de filtro */
.filtro-grupo h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.filtro-opciones {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Checkboxes personalizados */
.filtro-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    padding: 0.5rem 0;
    transition: all 0.2s ease;
    border-radius: 8px;
}

.filtro-checkbox:hover {
    background: rgba(245, 124, 0, 0.05);
    padding-left: 0.5rem;
    margin-left: -0.5rem;
}

.filtro-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.filtro-checkbox span {
    color: var(--color-text-secondary);
    font-weight: 400;
    transition: color 0.2s ease;
}

.filtro-checkbox input:checked + span {
    color: var(--color-text);
    font-weight: 500;
}

/* Rango de precios */
.precio-input {
    width: 100%;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-background);
    color: var(--color-text);
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.precio-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.precio-inputs span {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.precio-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.precio-preset {
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.precio-preset:hover,
.precio-preset.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Acciones de filtros */
.filtros-acciones {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem var(--spacing-lg) 1rem var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    position: sticky;
    bottom: 0;
    left: 0;
    background: var(--color-background);
    z-index: 10;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
}

/* Responsive */
@media (max-width: 768px) {
    .catalogo-filtros {
        position: static;
        padding: 1.5rem 0;
    }
    
    .filtros-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .filtros-toggle {
        justify-content: center;
    }
    
    .btn-filtros {
        width: 100%;
        justify-content: center;
    }
    
    .filtros-panel.active {
        max-height: none !important;
        padding: 1rem;
    }
    
    .filtros-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    
    .filtros-acciones {
        flex-direction: column;
        position: static !important;
        box-shadow: none !important;
        padding: 1rem 0 0 0 !important;
    }
    
    .filtros-acciones .btn {
        width: 100%;
    }
    
    .precio-inputs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .precio-inputs span {
        display: none;
    }
}

@media (max-width: 480px) {
    .catalogo-filtros {
        padding: 1rem 0;
    }
    
    .search-input {
        padding: 0.875rem 0.875rem 0.875rem 2.5rem;
        font-size: 0.9rem;
    }
    
    .search-input-group i {
        left: 0.75rem;
        font-size: 1rem;
    }
    
    .btn-filtros {
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .filtros-panel.active {
        padding: 1rem;
    }
    
    .filtro-grupo h3 {
        font-size: 1rem;
    }
    
    .precio-presets {
        justify-content: center;
    }
}

/* Mejoras de UX adicionales */

/* Contador de productos en filtros */
.filtro-checkbox small {
    color: #6c757d;
    font-size: 0.75rem;
    font-style: italic;
    margin-left: auto;
    padding-left: 0.5rem;
}

/* Efectos de hover mejorados */
.filtro-checkbox {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filtro-checkbox:hover {
    transform: translateX(4px);
    background: rgba(var(--primary-rgb), 0.02);
}

/* Iconos en títulos de filtros */
.filtro-grupo h3 i {
    color: var(--color-accent);
    margin-right: 0.5rem;
    width: 16px;
    text-align: center;
}

/* Estados de botones de precio */
.precio-preset {
    position: relative;
    overflow: hidden;
}

.precio-preset i {
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

.precio-preset:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.2);
}

.precio-preset.active {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.3);
}

/* Animaciones mejoradas */
.filtros-count.visible {
    animation: bounceIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Estados de carga y transiciones */
.filtros-panel {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.filtros-panel.loading {
    pointer-events: none;
    opacity: 0.7;
}

.filtros-panel.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Focus states mejorados */
.search-input:focus,
.precio-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}

.filtro-checkbox input[type="checkbox"]:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Indicadores de estado activo */
.filtro-grupo.has-active-filters::before {
    background: linear-gradient(90deg, var(--color-accent), var(--accent-color));
    height: 6px;
}

.filtro-grupo.has-active-filters h3 {
    color: var(--color-accent);
}

/* Mejoras para accesibilidad */
.btn-filtros:focus,
.filtros-acciones .btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Tooltip para botones */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    background: #333;
    color: white;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
    100% { opacity: 1; transform: translateX(-50%) translateY(0); }
}