/* Sólo diferencias para tema oscuro */
body.dark-mode {
  background-color: #121212;
  color: #e0e0e0;
}

body.dark-mode .header {
  background-color: #001f3f;
}

body.dark-mode .nav {
  background-color: #001f3f;
}

body.dark-mode .hero {
  /* oscurecer ligeramente la imagen de héroe */
  position: relative;
}

body.dark-mode .hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

body.dark-mode .hero-content {
  position: relative;
  z-index: 2;
}

body.dark-mode .btn-primary {
  background-color: #0055aa;
}

body.dark-mode .card {
  background-color: #1e1e1e;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

body.dark-mode .noticia-card .card-content {
  background-color: #1e1e1e;
}

body.dark-mode input, body.dark-mode textarea {
  background-color: #2a2a2a;
  color: #e0e0e0;
  border: 1px solid #444;
}

body.dark-mode .footer {
  background-color: #001f3f;
}