:root {
  --article-hero-h: 520px;
}

@media (max-width: 768px) {
  :root { --article-hero-h: 300px; }
}

.article-hero {
  position: relative;
  width: 100%;
  height: var(--article-hero-h);
}

.article-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 42%;
  background: linear-gradient(to bottom, transparent, var(--clr-bg));
  z-index: 1;
  pointer-events: none;
}

.article-content-wrap {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: var(--space-lg) var(--space-md);
}

.article-content-wrap--over-hero {
  position: relative;
  z-index: 2;
  margin-top: calc(var(--article-hero-h) * -0.42);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-xl);
  align-items: start;
}

/* senza min-width: 0, i grid item hanno min-width: auto e fanno overflow */
.article-layout > * {
  min-width: 0;
}

.article-layout.has-toc {
  grid-template-columns: 200px 1fr 260px;
}

/* Quando c'è l'hero, sposta il TOC giù fino all'inizio del testo */
.article-content-wrap--over-hero .article-toc {
  margin-top: calc(var(--article-hero-h) * 0.42 + var(--space-lg));
}

/* ── TOC ── */
.article-toc {
  position: sticky;
  top: calc(var(--header-h) + var(--space-md));
  max-height: calc(100vh - var(--header-h) - 3rem);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border) transparent;
  /* sfondo bianco sempre, così non si sovrappone all'hero */
  background: var(--clr-bg);
  border-radius: var(--radius);
  padding: var(--space-sm);
  /* di default nessun margine extra */
  margin-top: 0;
}

.toc-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--clr-border);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-link {
  display: block;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--clr-text-muted);
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.toc-link:hover {
  color: var(--clr-text);
  background: var(--clr-tag-bg);
}

.toc-link.active {
  color: var(--clr-primary);
  border-left-color: var(--clr-primary);
  background: var(--clr-tag-bg);
  font-weight: 600;
}

.toc-item--h3 .toc-link { padding-left: 1rem; font-size: 0.775rem; }

.toc-item--embed .toc-link::before { content: '📊 '; }

.article-header { margin-bottom: var(--space-lg); }

.rubrica-badge--article {
  font-size: 0.8rem;
  padding: 0.3rem 0.9rem;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
  text-decoration: none;
  transition: opacity 0.15s;
}
.rubrica-badge--article:hover { opacity: 0.82; }

.article-tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin-bottom: var(--space-sm); }

.article-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.article-subtitle {
  font-family: var(--ff-serif);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--clr-text-muted);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: var(--space-sm);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--clr-border);
}

.article-meta__author { font-weight: 600; color: var(--clr-text); }

.author-link { color: inherit; text-decoration: none; }
.author-link:hover { color: var(--clr-accent); text-decoration: underline; text-underline-offset: 3px; }

.article-excerpt {
  font-size: 1.125rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

/* ── ARTICLE BODY ── */
.article-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--clr-text);
}

.article-body h2 {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--clr-text);
}

.article-body h3 {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  margin: var(--space-md) 0 var(--space-xs);
}

.article-body p { margin-bottom: var(--space-sm); }

.article-body a { color: var(--clr-accent); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--clr-primary); }

.article-body blockquote {
  border-left: 3px solid var(--clr-accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--clr-text-muted);
  font-size: 1.125rem;
}

.article-body ul, .article-body ol {
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
}
.article-body li { margin-bottom: 0.25rem; }

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: var(--space-md) 0;
  display: block;
}

.article-body figure.article-figure {
  margin: var(--space-md) 0;
  max-width: 100%;
  width: auto;
}
.article-body figure.article-figure img {
  margin: 0;
  width: 100%;
  height: auto;
  display: block;
}
.article-body figure.article-figure figcaption,
.article-figure__caption {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  font-style: italic;
  margin-top: 0.4rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--clr-border);
  line-height: 1.5;
}

.article-body figure.article-embed {
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin: var(--space-md) 0;
  text-align: center;
  color: var(--clr-text-muted);
  font-style: italic;
  user-select: none;
  cursor: default;
}

.article-embed-wrap {
  margin: var(--space-md) 0;
  max-width: 100%;
  overflow: hidden;
}
.article-embed-wrap iframe {
  max-width: 100%;
  border: none;
  display: block;
}

/* ── SIDEBAR ── */
.article-sidebar { position: sticky; top: calc(var(--header-h) + var(--space-md)); }

.sidebar-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.sidebar-widget h3 {
  font-family: var(--ff-serif);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--clr-border);
}

.author-box { display: flex; flex-direction: column; gap: var(--space-sm); align-items: center; text-align: center; margin-bottom: var(--space-sm); }
.author-box:last-child { margin-bottom: 0; }
.authors-divider { border: none; border-top: 1px solid var(--clr-border); margin: var(--space-sm) 0; }
.author-box__avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; background: var(--clr-tag-bg); }
.author-box__name { font-weight: 700; font-family: var(--ff-serif); }
.author-box__bio { font-size: 0.875rem; color: var(--clr-text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.related-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-sm); }
.related-list li a { font-size: 0.875rem; font-weight: 600; color: var(--clr-text); line-height: 1.4; }
.related-list li a:hover { color: var(--clr-accent); }
.related-list li span { display: block; font-size: 0.8125rem; color: var(--clr-text-muted); margin-top: 2px; }

.article-body sup a {
  color: var(--clr-accent);
  text-decoration: none;
  font-size: 0.75em;
  font-weight: 600;
  vertical-align: super;
  line-height: 0;
}
.article-body sup a:hover { text-decoration: underline; }

.article-footnote {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  padding-left: 1.5rem;
  text-indent: -1.5rem;
  margin-bottom: 0.35rem;
}

.fn-backlink {
  font-size: 0.8em;
  color: var(--clr-accent);
  text-decoration: none;
  margin-right: 0.3rem;
}
.fn-backlink:hover { text-decoration: underline; }

.footnotes-section {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--clr-border);
}

.footnotes-section h3 {
  font-family: var(--ff-serif);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-bibliography {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--clr-border);
}

.article-bibliography h3 {
  font-family: var(--ff-serif);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.article-bibliography p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--clr-text-muted);
  margin-bottom: 0.4rem;
}

@media (max-width: 1100px) {
  .article-layout.has-toc {
    grid-template-columns: 1fr 260px;
  }
  .article-toc { display: none; }
}

@media (max-width: 900px) {
  .article-layout,
  .article-layout.has-toc { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .article-toc { display: none; }
}

/* ── CITATION BUTTON ── */
.cite-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.cite-btn:hover {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.cite-btn::before { content: '❝'; font-size: 0.9em; }

/* ── CITATION MODAL ── */
.citation-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.citation-overlay[hidden] { display: none; }

.citation-modal {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 560px;
  width: 100%;
  position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.citation-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--clr-text-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}
.citation-modal__close:hover { color: var(--clr-text); background: var(--clr-tag-bg); }

.citation-modal__title {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  margin-bottom: 1.1rem;
}

.citation-modal__textarea {
  width: 100%;
  min-height: 100px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  padding: 0.75rem;
  resize: vertical;
  font-family: inherit;
  margin-bottom: 1rem;
  box-sizing: border-box;
}
.citation-modal__textarea:focus { outline: 2px solid var(--clr-primary); outline-offset: 1px; }

.citation-modal__actions { display: flex; justify-content: flex-end; }

.citation-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  background: var(--clr-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.citation-copy-btn:hover { opacity: 0.88; }
.citation-copy-btn.copied { background: #2e7d32; }