/* ========================================
   Buscador Inteligente de Noticias - VOLVONE
   Layout: Banner + Sidebar + Grid 3 columnas
   ======================================== */

/* Variables CSS - VOLVONE */
:root {
    --volvone-green: #009261;
    --volvone-green-dark: #007350;
    --volvone-green-light: #00b377;
    --volvone-green-ultra-light: #e6f7f1;
    --volvone-accent: #ffb900;
    
    --volvone-text: #2d2d2d;
    --volvone-text-light: #666;
    --volvone-border: #e0e0e0;
    --volvone-bg-gray: #f5f5f5;
    --volvone-white: #ffffff;
    
    --volvone-shadow: rgba(0, 0, 0, 0.08);
    --volvone-shadow-hover: rgba(0, 146, 97, 0.15);
    
    --volvone-radius: 8px;
    --volvone-radius-small: 4px;
    --volvone-transition: all 0.2s ease;
}

/* ========================================
   BANNER PRINCIPAL - ANCHO COMPLETO
   ======================================== */

.buscador-banner-principal {
    width: 100vw !important;
    margin-left: calc(50% - 50vw) !important;
    margin-right: calc(50% - 50vw) !important;
    background: linear-gradient(135deg, var(--volvone-green) 0%, var(--volvone-green-dark) 100%) !important;
    padding: 150px 20px !important;
    margin-bottom: 50px !important;
    position: relative;
    overflow: visible !important; /* ← CAMBIADO A VISIBLE */

    box-sizing: border-box;
}

.btn-reset-filtros{

color:white!important;
    
}

/* Patrón decorativo de fondo */
.buscador-banner-principal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 35px,
            rgba(255, 255, 255, 0.03) 35px,
            rgba(255, 255, 255, 0.03) 70px
        );
    pointer-events: none;
}

.banner-principal-contenido {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-align: center;
}

/* Título del banner */
.buscador-banner-titulo {
    font-size: 48px !important;
    font-weight: 800 !important;
    color: white !important;
    margin: 0 0 16px 0 !important;
    line-height: 1.2 !important;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
}

/* Subtítulo del banner */
.buscador-banner-subtitulo {
    font-size: 20px !important;
    color: white !important;
    margin: 0 0 40px 0 !important;
    opacity: 0.95;
    line-height: 1.5 !important;
}

/* Barra de búsqueda principal */
.buscador-search-bar-principal {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.search-input-wrapper-principal {
    position: relative;
    display: flex;
    align-items: center;
    background: white;
    border-radius: 60px;
    padding: 8px 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.search-input-wrapper-principal:focus-within {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

/* Icono de búsqueda */
.search-icon-principal {
    display: flex;
    align-items: center;
    color: var(--volvone-green);
    margin-right: 12px;
    flex-shrink: 0;
}

.search-icon-principal svg {
    width: 24px;
    height: 24px;
}

/* Input de búsqueda */
.buscador-input-principal {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 18px;
    color: var(--volvone-text);
    padding: 16px 0;
    font-weight: 500;
}

.buscador-input-principal::placeholder {
    color: var(--volvone-text-light);
    font-weight: 400;
}

/* Spinner de carga */
.loading-spinner-principal {
    margin-left: 12px;
    flex-shrink: 0;
}

.loading-spinner-principal .spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--volvone-green-ultra-light);
    border-top-color: var(--volvone-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Botón limpiar */
.clear-button-principal {
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--volvone-text-light);
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    flex-shrink: 0;
}

.clear-button-principal:hover {
    background: var(--volvone-bg-gray);
    color: var(--volvone-text);
}

/* Sugerencias */
.buscador-sugerencias-principal {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 12px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.sugerencia-item {
    padding: 12px 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sugerencia-item:hover {
    background: var(--volvone-green-ultra-light);
}

.sugerencia-titulo {
    font-size: 15px;
    color: var(--volvone-text);
    font-weight: 500;
}

.sugerencia-fecha {
    font-size: 12px;
    color: var(--volvone-text-light);
}

/* ========================================
   Contenedor Principal
   ======================================== */

.buscador-noticias-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--volvone-text);
}

/* ========================================
   LAYOUT PRINCIPAL: SIDEBAR + CONTENIDO
   ======================================== */

.buscador-layout {
    display: grid !important;
    grid-template-columns: 280px 1fr !important;
    gap: 30px !important;
    align-items: start !important;
}

/* ========================================
   SIDEBAR DE FILTROS
   ======================================== */

.buscador-filtros {
    background: var(--volvone-white);
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius);
    padding: 24px;
    position: sticky;
    top: 20px;
    grid-column: 1 !important;
    grid-row: 1 !important;
}

.filtros-titulo {
    font-size: 18px;
    font-weight: 700;
    color: var(--volvone-text);
    margin: 0 0 20px 0;
}

/* Selector de categoría principal */
.filtro-categoria-principal {
    margin-bottom: 24px;
}

.filtro-select {
    width: 100%;
    padding: 10px 32px 10px 12px;
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius-small);
    background: var(--volvone-white);
    color: var(--volvone-text);
    font-size: 14px;
    cursor: pointer;
    transition: var(--volvone-transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23666' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.filtro-select:hover {
    border-color: var(--volvone-green);
}

.filtro-select:focus {
    outline: none;
    border-color: var(--volvone-green);
    box-shadow: 0 0 0 3px var(--volvone-green-ultra-light);
}

/* Grupos de filtros con checkboxes */
.filtro-grupo {
    margin-bottom: 24px;
}

.filtro-grupo:last-child {
    margin-bottom: 0;
}

.filtro-grupo-titulo {
    font-size: 14px;
    font-weight: 700;
    color: var(--volvone-text);
    margin: 0 0 12px 0;
}

.filtro-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}

.filtro-checkbox-item:last-child {
    margin-bottom: 0;
}

.filtro-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--volvone-border);
    border-radius: 3px;
    cursor: pointer;
    transition: var(--volvone-transition);
    appearance: none;
    position: relative;
    flex-shrink: 0;
}

.filtro-checkbox:checked {
    background: var(--volvone-green);
    border-color: var(--volvone-green);
}

.filtro-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.filtro-checkbox:hover {
    border-color: var(--volvone-green);
}

.filtro-checkbox-label {
    font-size: 14px;
    color: var(--volvone-text);
    cursor: pointer;
    user-select: none;
}

/* Filtro de fecha */
.filtro-fecha-wrapper {
    margin-bottom: 24px;
}

.filtro-fecha {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius-small);
    background: var(--volvone-white);
    color: var(--volvone-text);
    font-size: 14px;
    cursor: pointer;
    transition: var(--volvone-transition);
}

.filtro-fecha:hover {
    border-color: var(--volvone-green);
}

.filtro-fecha:focus {
    outline: none;
    border-color: var(--volvone-green);
    box-shadow: 0 0 0 3px var(--volvone-green-ultra-light);
}

/* Botón de limpiar filtros */
.btn-reset-filtros {
    width: 100%;
    padding: 10px 20px;
    background: var(--volvone-white);
    border: 1px solid var(--volvone-border);
    border-radius: 50px;
    color: var(--volvone-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--volvone-transition);
    margin-top: 20px;
}

.btn-reset-filtros:hover {
    background: var(--volvone-green);
    border-color: var(--volvone-green);
    color: var(--volvone-white);
}

/* ========================================
   ÁREA DE CONTENIDO
   ======================================== */

.buscador-contenido {
    min-width: 0;
    grid-column: 2 !important;
    grid-row: 1 !important;
}

/* Header del contenido */
.buscador-contenido-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
}

/* Información de resultados */
.info-resultados {
    flex: 1;
    padding: 0;
}

.resultados-texto {
    font-size: 14px;
    font-weight: 400;
    color: var(--volvone-text-light);
    margin: 0;
}

/* Selector de orden */
.filtro-orden-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.filtro-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--volvone-text);
}

#buscador-orden {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius-small);
    background: var(--volvone-white);
    color: var(--volvone-text);
    font-size: 13px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23666' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

/* ========================================
   GRID DE 3 COLUMNAS
   ======================================== */

.buscador-resultados {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
}

/* ========================================
   TARJETAS DE NOTICIAS (Diseño vertical)
   ======================================== */

.noticia-item {
    background: var(--volvone-white);
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius);
    overflow: hidden;
    transition: var(--volvone-transition);
    cursor: pointer;
    display: flex !important;
    flex-direction: column !important;
    height: 100%;
}

.noticia-item:hover {
    border-color: var(--volvone-green);
    box-shadow: 0 8px 24px rgba(0, 146, 97, 0.15);
    transform: translateY(-4px);
}

.noticia-contenido {
    display: flex !important;
    flex-direction: column !important;
    height: 100%;
}

.noticia-imagen {
    width: 100% !important;
    height: 200px !important;
    overflow: hidden;
    flex-shrink: 0;
}

.noticia-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.noticia-item:hover .noticia-imagen img {
    transform: scale(1.05);
}

.noticia-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.noticia-header {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.noticia-destacada-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: var(--volvone-accent);
    color: #000;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.noticia-categoria {
    display: inline-block;
    padding: 4px 10px;
    background: var(--volvone-green-ultra-light);
    color: var(--volvone-green-dark);
    font-size: 10px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.noticia-titulo {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
    color: var(--volvone-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.noticia-titulo a {
    color: inherit;
    text-decoration: none;
}

.noticia-titulo a:hover {
    color: var(--volvone-green);
}

.noticia-descripcion {
    font-size: 13px;
    line-height: 1.6;
    color: var(--volvone-text-light);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.noticia-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 11px;
    color: var(--volvone-text-light);
    margin-top: auto;
}

.noticia-meta > span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.meta-fuente {
    font-weight: 600;
    color: var(--volvone-text);
}

.meta-relevancia {
    margin-left: auto;
    color: var(--volvone-green);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
}

.meta-relevancia svg {
    width: 12px;
    height: 12px;
    fill: var(--volvone-green);
}

.noticia-leer-mas {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--volvone-green);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--volvone-transition);
    margin-top: 12px;
}

.noticia-leer-mas:hover {
    background: var(--volvone-green-dark);
}

/* Resaltado de coincidencias */
mark {
    background: #fff3cd;
    padding: 2px 4px;
    border-radius: 2px;
    font-weight: 600;
    color: #856404;
}

/* ========================================
   Paginación
   ======================================== */

.buscador-paginacion {
    margin-top: 40px;
    padding: 20px 0;
    grid-column: 1 / -1;
}

.paginacion-controles {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-pagina {
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    background: var(--volvone-white);
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius-small);
    color: var(--volvone-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--volvone-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-pagina:hover {
    background: var(--volvone-green-ultra-light);
    border-color: var(--volvone-green);
    color: var(--volvone-green);
}

.btn-pagina.activa {
    background: var(--volvone-green);
    border-color: var(--volvone-green);
    color: white;
    font-weight: 600;
}

.paginacion-dots {
    padding: 0 6px;
    color: var(--volvone-text-light);
}

/* ========================================
   Estados (Sin Resultados, Error, Inicial)
   ======================================== */

.estado-inicial,
.buscador-error,
.sin-resultados {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--volvone-white);
    border: 1px solid var(--volvone-border);
    border-radius: var(--volvone-radius);
}

.estado-icono,
.sin-resultados-icono {
    margin-bottom: 20px;
    color: var(--volvone-green);
    opacity: 0.4;
}

.estado-icono svg,
.sin-resultados-icono svg {
    width: 64px;
    height: 64px;
}

.error-icono {
    font-size: 48px;
    margin-bottom: 16px;
}

.estado-inicial h3,
.sin-resultados h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--volvone-text);
}

.estado-inicial p,
.sin-resultados p {
    font-size: 14px;
    color: var(--volvone-text-light);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

.error-mensaje {
    font-size: 14px;
    color: #dc3545;
    font-weight: 500;
}

.btn-nueva-busqueda {
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--volvone-green);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--volvone-transition);
}

.btn-nueva-busqueda:hover {
    background: var(--volvone-green-dark);
}

/* ========================================
   RESPONSIVE BANNER
   ======================================== */

@media (max-width: 968px) {
    .buscador-banner-principal {
        padding: 60px 20px !important;
    }
    
    .buscador-banner-titulo {
        font-size: 36px !important;
    }
    
    .buscador-banner-subtitulo {
        font-size: 18px !important;
        margin-bottom: 32px !important;
    }
    
    .buscador-input-principal {
        font-size: 16px;
        padding: 14px 0;
    }
}

@media (max-width: 640px) {
    .buscador-banner-principal {
        padding: 50px 16px !important;
        margin-bottom: 30px !important;
    }
    
    .buscador-banner-titulo {
        font-size: 28px !important;
    }
    
    .buscador-banner-subtitulo {
        font-size: 16px !important;
        margin-bottom: 24px !important;
    }
    
    .search-input-wrapper-principal {
        padding: 6px 16px;
        border-radius: 50px;
    }
    
    .buscador-input-principal {
        font-size: 15px;
        padding: 12px 0;
    }
    
    .buscador-input-principal::placeholder {
        font-size: 14px;
    }
    
    .search-icon-principal svg {
        width: 20px;
        height: 20px;
    }
}

/* ========================================
   RESPONSIVE LAYOUT
   ======================================== */

/* Tablet: 2 columnas */
@media (max-width: 1200px) {
    .buscador-layout {
        grid-template-columns: 240px 1fr !important;
    }
    
    .buscador-resultados {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Tablet pequeño: Sidebar arriba, 2 columnas */
@media (max-width: 968px) {
    .buscador-layout {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .buscador-filtros {
        position: static !important;
        grid-column: 1 !important;
        grid-row: 1 !important;
    }
    
    .buscador-contenido {
        grid-column: 1 !important;
        grid-row: 2 !important;
    }
}

/* Móvil: 1 columna */
@media (max-width: 640px) {
    .buscador-resultados {
        grid-template-columns: 1fr !important;
    }
    
    .buscador-contenido-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filtro-orden-wrapper {
        justify-content: space-between;
    }
    
    .noticia-imagen {
        height: 180px !important;
    }
}