/* =====================================================
   MiniMax AI Hub — Blog / Article styles
   ===================================================== */

.article-hero {
  padding: 80px 0 48px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(79, 142, 255, 0.16), transparent 60%);
  pointer-events: none;
}

.article-hero .container-narrow { position: relative; z-index: 1; }

.article-hero .cat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 16px;
  display: inline-block;
}

.article-hero h1 {
  font-size: clamp(2rem, 4.8vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 20px;
}

.article-hero .deck {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 28px;
  max-width: 700px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-meta .author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-weight: 500;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: grid;
  place-items: center;
  color: #0b1020;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-display);
}

.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }

.article-hero-image {
  margin-top: 40px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: linear-gradient(135deg, #1A2138, #0D1535);
  position: relative;
}

.article-hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* Article figure (inline) */
.article-figure {
  margin: 40px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
}

.article-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.article-figure figcaption {
  padding: 14px 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
}

.article-content a.internal-link {
  color: var(--accent-primary);
  border-bottom: 1px solid rgba(79, 142, 255, 0.3);
  font-weight: 500;
  transition: border-color var(--transition);
}

.article-content a.internal-link:hover {
  border-color: var(--accent-primary);
}

.article-content .last-updated {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 255, 209, 0.08);
  border: 1px solid rgba(0, 255, 209, 0.2);
  color: var(--accent-secondary);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-left: 8px;
  vertical-align: middle;
}

.pull-quote {
  border-left: 3px solid var(--accent-secondary);
  background: rgba(0, 255, 209, 0.04);
  padding: 24px 28px;
  margin: 40px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text-primary);
  font-weight: 500;
}

.pull-quote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: normal;
  color: var(--text-muted);
  font-weight: 400;
}

/* ---------- Article body ---------- */
.article-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  padding: 64px 0 96px;
}

@media (max-width: 980px) {
  .article-body { grid-template-columns: 1fr; }
}

.article-content {
  max-width: 720px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.article-content > * + * { margin-top: 1.4em; }

.article-content h2 {
  font-size: 1.8rem;
  margin-top: 2.2em;
  margin-bottom: 0.6em;
  letter-spacing: -0.02em;
  scroll-margin-top: 100px;
}

.article-content h3 {
  font-size: 1.3rem;
  margin-top: 1.8em;
  margin-bottom: 0.4em;
  scroll-margin-top: 100px;
}

.article-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.article-content a:not(.btn) {
  color: var(--accent-primary);
  border-bottom: 1px solid rgba(79, 142, 255, 0.3);
  transition: border-color var(--transition);
}

.article-content a:not(.btn):hover { border-color: var(--accent-primary); }

.article-content strong { color: var(--text-primary); font-weight: 600; }

.article-content ul, .article-content ol {
  padding-left: 1.4em;
  color: var(--text-secondary);
}

.article-content ul li { list-style: disc; }
.article-content ol li { list-style: decimal; }

.article-content li { margin-bottom: 0.4em; }

.article-content blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: 8px 0 8px 24px;
  margin: 1.6em 0;
  color: var(--text-primary);
  font-style: italic;
  font-size: 1.08rem;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--accent-secondary);
  border: 1px solid var(--border);
}

.article-content pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
}

/* TOC */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 32px;
}

.toc h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 14px;
  font-weight: 500;
}

.toc ol { counter-reset: toc; }
.toc ol li {
  counter-increment: toc;
  padding: 6px 0;
  font-size: 0.92rem;
}

.toc ol li::before {
  content: counter(toc, decimal-leading-zero) '.';
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-right: 10px;
  font-size: 0.82rem;
}

.toc ol li a { color: var(--text-secondary); }
.toc ol li a:hover { color: var(--text-primary); }

/* Sticky sidebar */
.article-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
}

@media (max-width: 980px) {
  .article-sidebar { position: static; }
}

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 200;
  width: 0%;
  transition: width 60ms linear;
  box-shadow: 0 0 12px var(--accent-primary);
}

/* Share buttons */
.share-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 40px 0;
}

.share-row a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.share-row a:hover { color: var(--text-primary); border-color: var(--border-strong); }

/* Author bio */
.author-bio {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 56px;
}

.author-bio .author-avatar {
  width: 64px;
  height: 64px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.author-bio h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.author-bio p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Related */
.related-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.related-section h2 {
  margin-bottom: 32px;
  text-align: center;
  font-size: 1.6rem;
}

/* Blog index hero */
.blog-hero {
  padding: 96px 0 56px;
  background: var(--gradient-hero);
  position: relative;
  text-align: center;
}

.blog-hero h1 { margin-bottom: 16px; }
.blog-hero p { max-width: 640px; margin: 0 auto; color: var(--text-secondary); font-size: 1.08rem; }

/* Category filter pills */
.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 32px 0 0;
}

.filter-pills a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: all var(--transition);
}

.filter-pills a:hover, .filter-pills a.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(79, 142, 255, 0.08);
}