/*
 * Naria Hemeroteca — estilos de la rejilla de noticias.
 * Es el mismo diseño que tenía el widget HTML; se conserva tal cual
 * para que la página no cambie de aspecto.
 */

/* ==================== VARIABLES CSS ==================== */
.news-section {
  /* Variables del diseño (antes en :root, ahora limitadas a la hemeroteca) */
  /* Colores */
  --color-primary: #6d7aff;
  --color-secondary: #83f6c3;
  --color-dark: #1e293b;
  --color-gray-dark: #475569;
  --color-gray: #64748b;
  --color-gray-light: #cbd5e1;
  --color-bg: #f9fafb;
  --color-bg-card: white;
  --color-bg-image: #f8fafc;
  --color-text: #111827;
  
  /* Espaciado */
  --spacing-sm: clamp(8px, 1vw, 12px);
  --spacing-md: clamp(12px, 2vw, 20px);
  --spacing-lg: clamp(20px, 3vw, 60px);
  --gap-sm: 8px;
  --gap-md: 12px;
  --gap-lg: 20px;
  
  /* Tamaños de fuente */
  --font-sm: clamp(13px, 1.5vw, 14px);
  --font-base: clamp(14px, 2vw, 16px);
  --font-lg: clamp(16px, 2.5vw, 18px);
  
  /* Bordes y sombras */
  --radius-sm: 8px;
  --radius-md: 16px;
  --shadow-sm: 0 6px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 24px rgba(0,0,0,0.1);
  
  /* Transiciones */
  --transition: 0.3s ease;
}

/* ==================== BASE ==================== */
.news-section {
  max-width: 1200px;
  margin: var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-dark);
}

/* ==================== CONTROLES ==================== */
.news-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--gap-md);
  margin-bottom: 24px;
}

#news-search {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-light);
  font-size: var(--font-sm);
  transition: border-color var(--transition);
}

#news-search:focus {
  outline: none;
  border-color: var(--color-primary);
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.filter-btn, #sort-date {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-light);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--font-sm);
  font-family: inherit;
  white-space: nowrap;
}

.filter-btn.active,
.filter-btn:hover,
#sort-date:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #111;
}

.filter-btn:focus,
#sort-date:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==================== GRID DE NOTICIAS ==================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-lg);
  min-height: 200px;
  align-items: start;
}

/* ==================== CARDS ==================== */
.news-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 1;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(10px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.news-card.hidden {
  display: none;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .news-card {
    will-change: transform;
  }
  
  .news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }

  .news-card:hover .news-image img {
    transform: scale(1.08);
  }
}

/* ==================== IMAGEN ==================== */
.news-image {
  width: 100%;
  height: 80px;
  overflow: hidden;
  background: var(--color-bg-image);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.news-image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition);
}

.news-image img.loading {
  opacity: 0.5;
}

/* ==================== CONTENIDO CARD ==================== */
.news-card h3 {
  font-size: var(--font-lg);
  font-weight: 700;
  margin: 16px 20px 8px 20px;
  color: var(--color-text);
  line-height: 1.3;
}

.news-card p {
  margin: 0 20px 12px 20px;
  font-size: var(--font-sm);
  line-height: 1.5;
  color: var(--color-gray-dark);
}

.news-source {
  font-weight: 600;
  color: var(--color-primary);
}

/* ==================== ENLACES ==================== */
.news-links {
  margin: 0 20px 20px 20px;
}

.news-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.news-links li {
  margin: 0;
}

.news-links a {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
  font-size: var(--font-sm);
  white-space: nowrap;
}

.news-links a:hover {
  background: var(--color-secondary);
  color: #111;
}

.news-links a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==================== SIN RESULTADOS ==================== */
.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-gray);
  font-size: var(--font-base);
  grid-column: 1 / -1;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .news-controls {
    flex-direction: column;
    align-items: stretch;
  }

  #news-search,
  #sort-date {
    width: 100%;
  }

  .news-filters {
    width: 100%;
    justify-content: center;
  }
}

/* ==================== AÑADIDOS DEL PLUGIN ==================== */

/* Contenedor de la descripción (antes era un <p> escrito a mano). */
.news-card .news-desc {
  margin: 0;
}

.news-card .news-desc p:last-child {
  margin-bottom: 16px;
}

/* Hueco cuando una noticia todavía no tiene logo asignado. */
.news-image-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-light);
  background: var(--color-bg-image);
}

/* Etiqueta del buscador, visible solo para lectores de pantalla. */
.news-section .screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  white-space: nowrap;
}