/* FlowMachinery — Article Styles (dark industrial theme) */
:root {
  --article-max-width: 780px;
  --body-font-size: 17px;
  --line-height: 1.85;
  --heading-color: #f0f4f8;
  --text-color: #cbd5e1;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-light: #60a5fa;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --surface: #111827;
  --surface-raised: #1e293b;
  --border-color: rgba(59, 130, 246, 0.15);
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
}

/* === Article wrapper === */
article.blog-post {
  max-width: var(--article-max-width);
  margin: 0 auto;
  padding: 0 1rem;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-color);
}

/* === Headings === */
article.blog-post h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--heading-color);
  margin: 2.8rem 0 1rem;
  line-height: 1.3;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  position: relative;
}

article.blog-post h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 2rem 0 0.8rem;
  line-height: 1.35;
}

article.blog-post h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 1.5rem 0 0.6rem;
}

/* === Paragraphs === */
article.blog-post p {
  font-size: var(--body-font-size);
  line-height: var(--line-height);
  margin-bottom: 1.4rem;
  color: var(--text-color);
}

article.blog-post p:first-of-type {
  font-size: 1.1rem;
  color: #e2e8f0;
  line-height: 1.8;
}

/* === Inline text === */
article.blog-post strong {
  font-weight: 700;
  color: var(--heading-color);
}

article.blog-post em {
  font-style: italic;
  color: var(--text-muted);
}

/* === Links === */
article.blog-post a {
  color: var(--primary-light);
  text-decoration: underline;
  text-decoration-color: rgba(96, 165, 250, 0.35);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}

article.blog-post a:hover {
  color: var(--accent-light);
  text-decoration-color: var(--accent-light);
}

/* === Lists === */
article.blog-post ul,
article.blog-post ol {
  padding-left: 1.6rem;
  margin-bottom: 1.4rem;
  font-size: var(--body-font-size);
  line-height: var(--line-height);
}

article.blog-post li {
  margin-bottom: 0.6rem;
  padding-left: 4px;
}

article.blog-post ul > li::marker {
  color: var(--primary);
}

article.blog-post ol > li::marker {
  color: var(--primary);
  font-weight: 600;
}

/* === Tables === */
article.blog-post table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.92rem;
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

article.blog-post thead {
  background: var(--gradient);
  color: #fff;
}

article.blog-post th {
  padding: 14px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

article.blog-post td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
  color: var(--text-color);
}

article.blog-post tr:nth-child(even) td {
  background: rgba(30, 41, 59, 0.5);
}

article.blog-post tr:last-child td {
  border-bottom: none;
}

article.blog-post tr:hover td {
  background: rgba(59, 130, 246, 0.08);
}

/* === Blockquotes === */
article.blog-post blockquote {
  border: none;
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), rgba(59, 130, 246, 0.04));
  padding: 20px 24px;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-muted);
  border-radius: 0 12px 12px 0;
  box-shadow: 0 2px 12px rgba(6, 182, 212, 0.08);
  position: relative;
}

article.blog-post blockquote::before {
  content: '\201C';
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--accent);
  opacity: 0.25;
  position: absolute;
  top: -10px;
  left: 12px;
  line-height: 1;
}

article.blog-post blockquote p {
  margin-bottom: 0;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
  color: #b0bec5;
}

/* === Images === */
article.blog-post img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 2rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* === Code blocks === */
article.blog-post code {
  background: rgba(59, 130, 246, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  color: var(--accent-light);
}

article.blog-post pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 2rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
}

article.blog-post pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* === Horizontal rule === */
article.blog-post hr {
  border: none;
  height: 2px;
  background: var(--gradient);
  opacity: 0.2;
  margin: 2.5rem 0;
  border-radius: 1px;
}

/* === Highlight/Mark === */
article.blog-post mark {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--heading-color);
}

/* === Author bio box === */
.author-bio {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin: 3rem 0 2rem;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.author-bio-info h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading-color);
  margin: 0 0 8px;
}

.author-bio-info h4 a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.2s;
}

.author-bio-info h4 a:hover {
  color: var(--accent-light);
}

.author-bio-info p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .author-bio {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    padding: 20px;
  }
  .author-bio-avatar {
    width: 64px;
    height: 64px;
  }
}

/* === Responsive === */
@media (max-width: 768px) {
  article.blog-post {
    padding: 0 0.5rem;
  }
  article.blog-post h2 {
    font-size: 1.35rem;
  }
  article.blog-post h3 {
    font-size: 1.15rem;
  }
  article.blog-post p,
  article.blog-post ul,
  article.blog-post ol {
    font-size: 16px;
  }
  article.blog-post table {
    font-size: 0.82rem;
  }
  article.blog-post th,
  article.blog-post td {
    padding: 8px 10px;
  }
}