/* ===== Reading progress bar ===== */
.reading-progress {
  position: sticky;
  top: 0;
  z-index: 150;
  height: 2px;
  background: var(--border-hair);
}
.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gold);
  transition: width 0.1s ease;
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  max-width: 760px;
  margin: var(--space-lg) auto 0;
  padding: 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--accent-gold); }
.breadcrumbs span { margin: 0 0.4rem; }

/* ===== Article header ===== */
.article-header {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) 0;
  text-align: left;
}
.article-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0.6rem 0;
}
.article-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.article-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.article-meta .dot { margin: 0 0.5rem; color: var(--border-hair); }

/* ===== Featured image ===== */
.article-featured-image {
  max-width: 900px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-md);
}
.article-featured-image img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border-hair);
}

/* ===== Layout: TOC + body ===== */
.article-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.article-toc {
  position: sticky;
  top: 5rem;
  font-size: 0.85rem;
}
.toc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
#tocList { list-style: none; border-left: 1px solid var(--border-hair); }
#tocList li a {
  display: block;
  padding: 0.4rem 0 0.4rem 0.8rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 0.2s ease;
}
#tocList li a:hover,
#tocList li a.active {
  color: var(--accent-gold);
  border-left-color: var(--accent-gold);
}
#tocList li.toc-h3 a { padding-left: 1.6rem; font-size: 0.8rem; }

/* ===== Article body: long-form typography ===== */
.article-body {
  max-width: 700px;
  font-size: 1.08rem;
  line-height: 1.85;
}
.article-body h2 {
  font-size: 1.5rem;
  margin: var(--space-lg) 0 var(--space-sm);
}
.article-body h3 {
  font-size: 1.2rem;
  margin: var(--space-md) 0 var(--space-sm);
}
.article-body p { margin-bottom: var(--space-md); color: var(--text-main); }
.article-body img {
  width: 100%;
  border-radius: 6px;
  margin: var(--space-md) 0;
}
.article-body ul, .article-body ol {
  margin: 0 0 var(--space-md) 1.4rem;
}
.article-body li { margin-bottom: 0.4rem; }

.article-body blockquote {
  border-left: 3px solid var(--accent-gold);
  padding: 0.5rem 0 0.5rem 1.2rem;
  margin: var(--space-md) 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}
.article-body th, .article-body td {
  border: 1px solid var(--border-hair);
  padding: 0.6rem 0.8rem;
  text-align: left;
}
.article-body th {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.article-body pre {
  border-radius: 6px;
  padding: var(--space-md) !important;
  margin: var(--space-md) 0;
  font-size: 0.9rem;
  overflow-x: auto;
}

/* Callout boxes */
.callout {
  padding: var(--space-md);
  border-radius: 6px;
  margin: var(--space-md) 0;
  border-left: 3px solid;
  font-size: 0.95rem;
}
.callout-note    { background: rgba(94,234,212,0.06); border-color: var(--accent-teal); }
.callout-warning { background: rgba(255,184,77,0.06); border-color: var(--accent-gold); }
.callout-quote   { background: rgba(255,255,255,0.03); border-color: var(--text-muted); font-style: italic; }

/* ===== Share bar ===== */
.share-bar {
  max-width: 700px;
  margin: var(--space-xl) auto 0;
  padding: 0 var(--space-md);
}
.share-buttons { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.share-buttons a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border-hair);
  border-radius: 20px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.share-buttons a:hover { color: var(--accent-gold); border-color: var(--accent-gold); }

/* ===== Author card ===== */
.author-card {
  max-width: 700px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-md);
  border: 1px solid var(--border-hair);
  border-radius: 8px;
  display: flex;
  gap: var(--space-md);
}
.author-card img {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
}
.author-info h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.author-info p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.4rem; }
.author-interests { font-family: var(--font-mono); font-size: 0.78rem !important; color: var(--accent-teal) !important; }
.author-social { display: flex; gap: 0.8rem; margin-top: 0.5rem; }
.author-social a { font-size: 0.8rem; color: var(--text-muted); }
.author-social a:hover { color: var(--accent-gold); }

/* ===== Related articles ===== */
.related-articles {
  max-width: 1000px;
  margin: var(--space-xl) auto 0;
  padding: 0 var(--space-md);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.related-card {
  border: 1px solid var(--border-hair);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.related-card:hover { transform: translateY(-3px); border-color: var(--accent-gold); }
.related-card img { width: 100%; height: 140px; object-fit: cover; }
.related-category {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  padding: 0.6rem 0.8rem 0;
}
.related-card h4 { font-size: 0.95rem; padding: 0.3rem 0.8rem 0.8rem; }

/* ===== Responsive: hide TOC, stack layout ===== */
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { display: none; }
  .related-grid { grid-template-columns: 1fr; }
}


.comments-section {
  max-width: 700px;
  margin: var(--space-xl) auto 0;
  padding: 0 var(--space-md);
}
.comment {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-hair);
}
.comment-header { display: flex; justify-content: space-between; margin-bottom: 0.4rem; }
.comment-date { color: var(--text-muted); font-size: 0.8rem; font-family: var(--font-mono); }
.no-comments { color: var(--text-muted); }

.comment-form { margin-top: var(--space-lg); display: flex; flex-direction: column; gap: 0.8rem; }
.form-row { display: flex; gap: 0.8rem; }
.comment-form input, .comment-form textarea {
  background: var(--bg-panel);
  border: 1px solid var(--border-hair);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  width: 100%;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--accent-gold); }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.4;
}

.comment-form input[type="checkbox"] {
  width: auto;
  flex-shrink: 0;
  margin: 0.2rem 0 0 0;
  accent-color: var(--accent-gold);
  cursor: pointer;
}

.comment-msg { font-size: 0.85rem; color: var(--accent-teal); }

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
  }

  .checkbox-label {
    font-size: 0.8rem;
  }
}

.comment-replies { margin-left: 1.8rem; margin-top: 0.8rem; padding-left: 1rem; border-left: 2px solid var(--border-hair); }
.reply-comment { border-bottom: none; padding: 0.8rem 0; }
.author-badge {
  background: var(--accent-gold);
  color: var(--bg-deep);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  margin-left: 0.5rem;
  text-transform: uppercase;
}

.difficulty-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(94,234,212,0.1);
  color: var(--accent-teal);
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  margin-left: 0.6rem;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .article-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 0.82rem;
  }
  .article-body blockquote {
    font-size: 0.92rem;
    padding: 0.4rem 0 0.4rem 1rem;
  }
  .callout {
    padding: var(--space-sm);
    font-size: 0.88rem;
  }
}

@media (max-width: 480px) {
  .article-header .article-category,
  .difficulty-badge {
    display: inline-block;
    margin-bottom: 0.4rem;
  }
}

.article-body {
  overflow-x: hidden;
}