/* ============================================
   SIDEBAR PERIÓDICO - ESTILOS PREMIUM
   ============================================ */

:root {
  --color-primary: #044535;
  --color-secondary: #ffc400d5;
  --color-dark: #212121;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   CONTENEDOR PRINCIPAL DEL SIDEBAR
   ============================================ */
.sidebar-periodico {
  position: fixed;
  left: 0;
  top: 0;
  width: 350px;
  flex-shrink: 0;
  height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  border-right: 3px solid var(--color-secondary);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.sidebar-periodico::-webkit-scrollbar {
  width: 8px;
}

.sidebar-periodico::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.sidebar-periodico::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 10px;
}

.sidebar-periodico::-webkit-scrollbar-thumb:hover {
  background: #044535;
}

/* ============================================
   HEADER DEL SIDEBAR
   ============================================ */
.sidebar-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #044535 100%);
  color: var(--color-white);
  padding: 25px 20px;
  text-align: center;
  border-bottom: 3px solid var(--color-secondary);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sidebar-logo {
  margin-bottom: 15px;
  animation: float 3s ease-in-out infinite;
}

.logo-sidebar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--color-secondary);
  background: white;
  padding: 5px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.sidebar-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 10px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: 0.5px;
}

.sidebar-title i {
  font-size: 1.8rem;
}

.sidebar-subtitle {
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.9;
  margin: 5px 0 0;
  font-family: "Georgia", serif;
}

/* ============================================
   BÚSQUEDA
   ============================================ */
.sidebar-search {
  padding: 20px 15px;
  background: white;
  border-bottom: 1px solid #e0e0e0;
}

.sidebar-search .input-field {
  margin: 0;
  width: 80%;
}

.sidebar-search input {
  border: 2px solid #e0e0e0 !important;
  border-radius: 25px !important;
  padding-left: 45px !important;
  height: 45px !important;
  transition: var(--transition);
  font-size: 0.95rem;
}

.sidebar-search input:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(52, 120, 69, 0.1) !important;
}

.sidebar-search .prefix {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 1.3rem;
}

/* ============================================
   FILTROS POR CATEGORÍA
   ============================================ */
.sidebar-filters {
  padding: 20px 15px;
  background: #fafafa;
  border-bottom: 1px solid #e0e0e0;
}

.filter-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-chips {
  display: grid;
  grid-template-columns: repeat(2, auto);
  justify-content: center;   /* centra el bloque completo */
  gap: 12px 20px;            /* fila / columna */
}


.filter-chip {
  cursor: pointer;
  background: white;
  border: 2px solid #e0e0e0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
  padding: 8px 12px;
  margin: 0;
  justify-content: center;
}

.filter-chip i {
  font-size: 1rem;
}

.filter-chip:hover {
  background: var(--color-light);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.filter-chip.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(52, 120, 69, 0.3);
}

/* ============================================
   LISTA DE NOTICIAS
   ============================================ */
.sidebar-noticias-list {
  padding: 20px 15px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-secondary);
}

.section-title i {
  color: var(--color-primary);
  font-size: 1.4rem;
}

/* ============================================
   TARJETAS DE NOTICIAS
   ============================================ */
.sidebar-noticia-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid #e0e0e0;
  position: relative;
  animation: fadeIn 0.5s ease-in;
}

.sidebar-noticia-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(-5px);
}

.noticia-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Badge de destacada */
.badge-destacada {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--color-secondary);
  color: var(--color-dark);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  animation: pulse 2s infinite;
}

.badge-destacada i {
  font-size: 0.9rem;
}

/* Imagen de la noticia */
.noticia-imagen {
  position: relative;
  width: 100%;
  height: 150px;
  overflow: hidden;
  background: #f5f5f5;
}

.noticia-imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.sidebar-noticia-card:hover .noticia-imagen img {
  transform: scale(1.1);
}

.noticia-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(52, 120, 69, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.sidebar-noticia-card:hover .noticia-overlay {
  opacity: 1;
}

.noticia-overlay i {
  color: white;
  font-size: 2.5rem;
  animation: bounce 1s infinite;
}

/* Contenido de la noticia */
.noticia-content {
  padding: 15px;
}

.noticia-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.noticia-categoria {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 15px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.categoria-institucional {
  background: #e3f2fd;
  color: #1976d2;
}
.categoria-deportes {
  background: #fff3e0;
  color: #f57c00;
}
.categoria-cultura {
  background: #f3e5f5;
  color: #7b1fa2;
}
.categoria-academico {
  background: #e8f5e9;
  color: #388e3c;
}
.categoria-eventos {
  background: #fce4ec;
  color: #c2185b;
}
.categoria-general {
  background: #f5f5f5;
  color: #616161;
}

.noticia-fecha {
  font-size: 0.75rem;
  color: #757575;
  display: flex;
  align-items: center;
  gap: 4px;
}

.noticia-fecha i {
  font-size: 0.9rem;
}

.noticia-titulo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

.sidebar-noticia-card:hover .noticia-titulo {
  color: var(--color-primary);
}

.noticia-resumen {
  font-size: 0.85rem;
  color: #616161;
  line-height: 1.5;
  margin: 0 0 12px;
}

.noticia-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid #e0e0e0;
}

.noticia-autor {
  font-size: 0.75rem;
  color: #757575;
  display: flex;
  align-items: center;
  gap: 4px;
}

.noticia-autor i {
  font-size: 0.9rem;
}

.noticia-leer-mas {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 2px;
  transition: var(--transition);
}

.sidebar-noticia-card:hover .noticia-leer-mas {
  gap: 6px;
}

/* Noticia destacada - estilos especiales */
.noticia-destacada {
  border: 2px solid var(--color-secondary);
  box-shadow: 0 4px 12px rgba(255, 196, 0, 0.3);
}

/* ============================================
   MENSAJE SIN NOTICIAS
   ============================================ */
.no-noticias {
  text-align: center;
  padding: 40px 20px;
  color: #757575;
}

.no-noticias i {
  font-size: 4rem;
  color: #bdbdbd;
  margin-bottom: 15px;
}

.no-noticias h4 {
  font-size: 1.1rem;
  margin: 10px 0;
  color: var(--color-dark);
}

.no-noticias p {
  font-size: 0.9rem;
  margin: 5px 0;
}

/* ============================================
   FOOTER DEL SIDEBAR
   ============================================ */
.sidebar-footer {
  padding: 20px 15px;
  background: #fafafa;
  border-top: 1px solid #e0e0e0;
  position: sticky;
  bottom: 0;
}

.btn-nueva-noticia {
  width: 100%;
  display: flex;
  align-items: center;
  color: var(--color-white);
  justify-content: center;
  background: var(--color-primary);
  border-radius: 8px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.5px;
  padding: 0 20px;
  height: 45px;
  line-height: 45px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-nueva-noticia:hover {
  background: #044535;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media screen and (max-width: 992px) {
  .sidebar-periodico {
    width: 300px;
  }
}

@media screen and (max-width: 768px) {
  .sidebar-periodico {
    width: 100%;
    position: relative;
    height: auto;
  }

  .noticia-imagen {
    height: 180px;
  }
}

@media screen and (max-width: 480px) {
  .sidebar-header {
    padding: 20px 15px;
  }

  .logo-sidebar {
    width: 60px;
    height: 60px;
  }

  .sidebar-title {
    font-size: 1.2rem;
  }

  .filter-chips {
    gap: 6px;
  }

  .filter-chip {
    font-size: 0.75rem;
    padding: 6px 10px;
  }
}