:root {
  /* Paleta de colores personalizada */
  --color-dark-blue: #121f3d;
  --color-medium-blue: #233452;
  --color-green: #8cbd3f;
  --color-yellow: #facc00;
  --color-white: #ffffff;
  --color-light-gray: #f8f8f8;
  --color-medium-gray: #e2e2e2;

  /* Fuentes del sitio principal */
  --font-default: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-primary: "Inter", sans-serif;
  --font-secondary: "Poppins", sans-serif;

  /* Aplicación de la paleta en un tema claro (Light Mode) */
  --text-color: var(--color-dark-blue);
  --link-color: var(--color-green);
  --link-hover-color: var(--color-yellow);
  --background-color: var(--color-light-gray);
  --container-background: var(--color-white);
  --border-color: var(--color-medium-gray);
  --meta-color: var(--color-medium-blue);
  --header-color: var(--color-dark-blue);
  --tag-bg-color: rgba(140, 189, 63, 0.1); /* Verde muy claro */
  --tag-text-color: var(--color-green);
  --tag-hover-bg-color: var(--color-green);
  --tag-hover-text-color: var(--color-white);
}

body {
  font-family: var(--font-default);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 15px;
}

.site-header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  background-color: var(--container-background);
}

.back-link {
  text-decoration: none;
  color: var(--link-color);
  font-weight: bold;
  font-family: var(--font-secondary);
  transition: color 0.2s;
}

.back-link:hover {
    color: var(--link-hover-color);
}

.back-link i {
  margin-right: 0.5rem;
}

.article-container {
  background-color: var(--container-background);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
}

#titulo-articulo {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--header-color);
  line-height: 1.2;
}

.article-meta {
  color: var(--meta-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-secondary);
}

.article-image {
  margin-bottom: 2rem;
}

.article-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.article-content {
  font-family: 'Georgia', serif;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-color);
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-additional-info {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.article-tags, .article-category, .article-sources {
  margin-bottom: 1rem;
  font-family: var(--font-secondary);
}

.article-tags strong, .article-category strong, .article-sources h3 {
    color: var(--header-color);
    font-family: var(--font-primary);
}

.article-tags a {
  text-decoration: none;
  background-color: var(--tag-bg-color);
  color: var(--tag-text-color);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  margin-right: 0.5rem;
  transition: background-color 0.2s, color 0.2s;
  display: inline-block;
  margin-bottom: 0.3rem;
  font-weight: 500;
  border: 1px solid rgba(140, 189, 63, 0.2);
}

.article-tags a:hover {
  background-color: var(--tag-hover-bg-color);
  color: var(--tag-hover-text-color);
  border-color: var(--tag-hover-bg-color);
}

.article-sources h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.article-sources ul {
  list-style: none;
  padding: 0;
}

.article-sources li a {
  color: var(--link-color);
  text-decoration: none;
}

.article-sources li a:hover {
  text-decoration: underline;
  color: var(--link-hover-color);
}

.site-footer {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  color: var(--meta-color);
  background-color: var(--container-background);
}