:root {
  --fg: #1c1c1e;
  --muted: #6b7280;
  --accent: #2563eb;
  --border: #e5e7eb;
  --bg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 700; }

.search { display: flex; gap: 0.35rem; }
.search input { padding: 0.35rem 0.5rem; border: 1px solid var(--border); border-radius: 4px; }
.search button,
.filter { padding: 0.35rem 0.7rem; border: 1px solid var(--border); border-radius: 4px; background: #f9fafb; cursor: pointer; }

.home-blog {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #eff6ff;
  white-space: nowrap;
}
.home-blog:hover { text-decoration: none; background: #dbeafe; }

.links { display: flex; gap: 0.75rem; margin-left: auto; }

.content { max-width: 780px; margin: 0 auto; padding: 1.5rem 1.25rem; }

/* La vista de artículo aprovecha el ancho para que el iframe no se recorte. */
.content--wide { max-width: min(96vw, 1300px); }

.article-frame {
  display: block;
  width: 100%;
  height: calc(100vh - 4.5rem);  /* fallback sin dvh */
  height: calc(100dvh - 4.5rem);
  min-height: 420px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}

.sorts { display: flex; gap: 0.6rem; align-items: center; color: var(--muted); flex-wrap: wrap; }
.sorts a.active { font-weight: 700; color: var(--fg); }

.articles { list-style: none; padding: 0; }
.article { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.article h2 { margin: 0 0 0.25rem; font-size: 1.25rem; }
.meta { margin: 0; color: var(--muted); font-size: 0.85rem; }
.description { margin: 0.4rem 0; }

.tags { list-style: none; display: flex; gap: 0.5rem; padding: 0; margin: 0.4rem 0 0; }
.tags a { font-size: 0.8rem; background: #eff6ff; padding: 0.1rem 0.5rem; border-radius: 999px; }

.pagination { display: flex; gap: 0.75rem; align-items: center; justify-content: center; padding: 1rem 0; }
.empty { color: var(--muted); }