/* Variables */
:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-text: #212529;
  --color-text-secondary: #6c757d;
  --color-primary: #0d6efd;
  --color-primary-hover: #0b5ed7;
  --color-border: #dee2e6;
  --color-tag-bg: #e9ecef;
  --max-width: 800px;
  --spacing: 1.5rem;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-bg-secondary: #16213e;
    --color-text: #eaeaea;
    --color-text-secondary: #a0a0a0;
    --color-primary: #4dabf7;
    --color-primary-hover: #74c0fc;
    --color-border: #2d3748;
    --color-tag-bg: #2d3748;
  }
}

/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-hover);
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing) 0;
  margin-bottom: var(--spacing);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.site-title a {
  color: var(--color-text);
}

.site-title a:hover {
  color: var(--color-primary);
}

/* Navigation */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.main-nav a:hover {
  color: var(--color-primary);
}

/* Feed de noticias */
.news-feed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}

.news-item {
  padding-bottom: var(--spacing);
  border-bottom: 1px solid var(--color-border);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item-header {
  margin-bottom: 0.5rem;
}

.news-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.25rem 0;
  line-height: 1.3;
}

.news-item-title a {
  color: var(--color-text);
}

.news-item-title a:hover {
  color: var(--color-primary);
}

.news-item-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.news-item-date {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.news-item-source {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.news-item-source a {
  color: var(--color-text-secondary);
}

.news-item-source a:hover {
  color: var(--color-primary);
}

.news-item-summary {
  color: var(--color-text-secondary);
  margin: 0.75rem 0;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tag {
  background-color: var(--color-tag-bg);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.2s;
}

.tag:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Articulo individual */
.article {
  padding-bottom: var(--spacing);
}

.article-header {
  margin-bottom: var(--spacing);
  padding-bottom: var(--spacing);
  border-bottom: 1px solid var(--color-border);
}

.article-title {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  line-height: 1.2;
}

.article-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-secondary);
  font-style: italic;
}

.article-source {
  margin-top: var(--spacing);
  padding: var(--spacing);
  background-color: var(--color-bg-secondary);
  border-radius: 0.5rem;
}

.article-source-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

/* Taxonomias (tags, categorias) */
.taxonomy-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing);
}

.taxonomy-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.taxonomy-item {
  background-color: var(--color-bg-secondary);
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

.taxonomy-item:hover {
  background-color: var(--color-primary);
  color: white;
}

.taxonomy-item-count {
  background-color: var(--color-tag-bg);
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
}

.taxonomy-item:hover .taxonomy-item-count {
  background-color: rgba(255,255,255,0.2);
}

/* Paginacion */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: calc(var(--spacing) * 2);
  padding-top: var(--spacing);
  border-top: 1px solid var(--color-border);
}

.pagination a {
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 0.25rem;
}

.pagination a:hover {
  background-color: var(--color-primary);
  color: white;
}

.pagination-info {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Footer */
.site-footer {
  margin-top: calc(var(--spacing) * 2);
  padding: var(--spacing) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 600px) {
  :root {
    --spacing: 1rem;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .news-item-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}