/* Modulo SINGLE — stile articolo (vedi CONVENZIONI_V1.md).
   Colonna di lettura ~760px, Georgia per i testi, Arial per la UI. */

/* Breadcrumb */
.tu-breadcrumb {
  max-width: 760px;
  margin: 18px auto 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: .78rem;
  color: var(--tu-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.tu-breadcrumb a { color: var(--tu-muted); }
.tu-breadcrumb a:hover { color: var(--tu-primary); }
.tu-breadcrumb-sep { margin: 0 6px; }
.tu-breadcrumb-current { color: var(--tu-text); }

/* Colonna articolo */
.tu-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 0 28px;
}

/* Testata articolo */
.tu-article-cat {
  display: inline-block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  background: var(--tu-primary);
  padding: 3px 10px;
  margin-bottom: 10px;
}
.tu-article-cat:hover { text-decoration: none; background: var(--tu-accent); color: #fff; }
.tu-article-title {
  font-size: 2.2rem;
  line-height: 1.15;
  margin: 4px 0 10px;
  letter-spacing: -0.3px;
}
.tu-article-standfirst {
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--tu-muted);
  margin: 0 0 12px;
}
.tu-article-meta {
  font-family: Arial, Helvetica, sans-serif;
  font-size: .82rem;
  color: var(--tu-muted);
  padding: 10px 0;
  border-top: 1px solid var(--tu-border);
  border-bottom: 1px solid var(--tu-border);
  margin-bottom: 18px;
}
.tu-article-byline a { font-weight: 700; color: var(--tu-primary); }
.tu-article-meta-sep { margin: 0 6px; }
.tu-article-updated { font-style: italic; }

/* Featured image */
.tu-featured { margin: 0 0 20px; }
.tu-featured img { width: 100%; height: auto; display: block; }
.tu-featured figcaption {
  font-family: Arial, Helvetica, sans-serif;
  font-size: .78rem;
  color: var(--tu-muted);
  padding: 6px 2px 0;
  border-bottom: 1px solid var(--tu-border);
  padding-bottom: 8px;
}

/* Corpo */
.tu-article .tu-content { font-size: 1.1rem; line-height: 1.7; }
.tu-content > p:first-of-type { font-size: 1.18rem; }
.tu-content h2 { font-size: 1.45rem; line-height: 1.25; margin: 1.4em 0 .5em; }
.tu-content h3 { font-size: 1.2rem; margin: 1.3em 0 .5em; }
.tu-content a { text-decoration: underline; text-decoration-color: var(--tu-accent); }
.tu-content blockquote {
  margin: 1.2em 0;
  padding: 4px 0 4px 18px;
  border-left: 4px solid var(--tu-primary);
  color: var(--tu-muted);
  font-style: italic;
}
.tu-content figure { margin: 1.2em 0; }
.tu-content figcaption { font-family: Arial, sans-serif; font-size: .78rem; color: var(--tu-muted); }

/* Tag (classe .entry-tags obbligatoria: anchor xpath dei placement ADV) */
.entry-tags.tu-tags {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--tu-border);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .8rem;
}
.tu-tags-label { font-weight: 700; text-transform: uppercase; font-size: .72rem; letter-spacing: 1px; color: var(--tu-muted); margin-right: 8px; }
.entry-tags.tu-tags a {
  display: inline-block;
  background: #f0f0f0;
  padding: 4px 12px;
  border-radius: 14px;
  margin: 0 6px 6px 0;
  color: var(--tu-text);
}
.entry-tags.tu-tags a:hover { background: var(--tu-primary); color: #fff; text-decoration: none; }

/* Box engagement */
.tu-engagement {
  margin: 26px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--tu-border);
  border-left: 4px solid var(--tu-primary);
  background: #fafafa;
  font-family: Arial, Helvetica, sans-serif;
}
.tu-engagement-title { margin: 0 0 2px; font-size: 1rem; font-weight: 700; color: var(--tu-primary); text-transform: uppercase; letter-spacing: .5px; }
.tu-engagement-text { margin: 0 0 12px; font-size: .85rem; color: var(--tu-muted); }
.tu-engagement-links { display: flex; flex-wrap: wrap; gap: 10px; }
.tu-engagement-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--tu-primary);
  border: 1px solid var(--tu-primary);
  border-radius: 4px;
  background: #fff;
}
.tu-engagement-link:hover { background: var(--tu-primary); color: #fff; text-decoration: none; }

/* Author box */
.tu-authorbox {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid var(--tu-border);
  border-radius: 6px;
  background: #fafafa;
}
.tu-authorbox-avatar { flex: 0 0 auto; }
.tu-authorbox-avatar .tu-avatar,
.tu-authorbox-avatar img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.tu-authorbox-body { min-width: 0; }
.tu-authorbox-name { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: 1.05rem; font-weight: 700; }
.tu-authorbox-name a { color: var(--tu-text); }
.tu-authorbox-name a:hover { color: var(--tu-primary); }
.tu-authorbox-role {
  margin: 2px 0 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--tu-accent);
}
.tu-authorbox-bio { margin-top: 8px; font-size: .92rem; line-height: 1.55; color: var(--tu-text); }
.tu-authorbox-bio p { margin: 0 0 .6em; }
.tu-authorbox-bio p:last-child { margin-bottom: 0; }
.tu-author-social { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; font-family: Arial, Helvetica, sans-serif; }
.tu-author-social a {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border: 1px solid var(--tu-border);
  border-radius: 3px;
  color: var(--tu-primary);
  background: #fff;
}
.tu-author-social a:hover { background: var(--tu-primary); border-color: var(--tu-primary); color: #fff; text-decoration: none; }
@media (max-width: 540px) {
  .tu-authorbox { flex-direction: column; }
}

/* Correlati */
.tu-related { padding: 26px 0 6px; border-top: 2px solid var(--tu-primary); margin-top: 8px; }
.tu-related-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

/* Prev/next di categoria */
.tu-prevnext {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 6px;
  border-top: 1px solid var(--tu-border);
  margin-top: 18px;
  font-family: Arial, Helvetica, sans-serif;
}
.tu-prevnext-item { flex: 1 1 0; min-width: 0; }
.tu-prevnext-next { text-align: right; }
.tu-prevnext-label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--tu-muted);
  margin-bottom: 4px;
}
.tu-prevnext-title { display: block; font-family: Georgia, 'Times New Roman', serif; font-size: .98rem; line-height: 1.3; color: var(--tu-text); }
a.tu-prevnext-item:hover { text-decoration: none; }
a.tu-prevnext-item:hover .tu-prevnext-title { color: var(--tu-primary); text-decoration: underline; }
@media (max-width: 540px) {
  .tu-prevnext { flex-direction: column; }
  .tu-prevnext-next { text-align: left; }
}

/* Mobile */
@media (max-width: 600px) {
  .tu-article-title { font-size: 1.6rem; }
  .tu-article-standfirst { font-size: 1.05rem; }
  .tu-article .tu-content { font-size: 1.05rem; }
}