/* navbar-blog.css — Barra sutil del blog integrada en las páginas del libro
   No interfiere con el diseño editorial del libro, solo añade un puente visual */

.blog-navbar-libro {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26, 22, 18, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fffef9;
  padding: 0.5em 1.5em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: -apple-system, "Helvetica Neue", "Segoe UI", sans-serif;
  font-size: 0.85em;
  border-bottom: 1px solid rgba(192, 57, 43, 0.4);
}

.blog-navbar-libro a {
  color: #e8dcc7;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-navbar-libro a:hover {
  color: #f5a472;
}

.blog-navbar-libro .blog-brand {
  font-weight: 700;
  font-size: 1em;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.blog-navbar-libro .blog-brand-icon {
  font-size: 1.1em;
}

.blog-navbar-libro .blog-links {
  display: flex;
  gap: 1.2em;
  align-items: center;
}

.blog-navbar-libro .blog-link-volver {
  background: #c0392b;
  color: white;
  padding: 0.3em 0.8em;
  border-radius: 3px;
  font-weight: 600;
}

.blog-navbar-libro .blog-link-volver:hover {
  background: #e74c3c;
  color: white;
}

/* Responsive */
@media (max-width: 600px) {
  .blog-navbar-libro {
    padding: 0.4em 0.8em;
    font-size: 0.8em;
    flex-wrap: wrap;
    gap: 0.3em;
  }
  .blog-navbar-libro .blog-links {
    gap: 0.6em;
  }
}