/* AI Auto-Blog Engine — Public + shared styles
   Inter font assumed loaded via Google Fonts in the page <head>. */

:root {
  --ink: #0a1628;
  --accent: #4f8eff;
  --accent-soft: #f0f4ff;
  --bg: #f8f9fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --ok: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --max: 1180px;
  --reading: 760px;
}

* { box-sizing: border-box; }

.blog-body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: #2563eb; text-decoration: underline; }

/* ───── Top bar / nav ───── */
.blog-topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.blog-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.brand {
  font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none;
}
.brand:hover { color: var(--accent); text-decoration: none; }
.blog-nav { display: flex; gap: 22px; }
.blog-nav a { color: var(--text); font-weight: 500; font-size: .94rem; }
.blog-nav a.active { color: var(--accent); }

/* ───── Reading progress ───── */
.reading-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: var(--accent); width: 0; z-index: 100;
  transition: width .08s linear;
}

/* ───── Listing hero ───── */
.blog-listing { padding: 36px 24px 60px; }
.blog-hero { max-width: var(--reading); margin: 0 auto 36px; }
.blog-hero h1 { font-size: 2.25rem; font-weight: 700; color: var(--ink); margin: 0 0 12px; }
.blog-intro { color: var(--muted); font-size: 1.05rem; margin: 0 0 12px; }

/* ───── Cards grid ───── */
.blog-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1000px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  transition: transform .12s, box-shadow .15s, border-color .15s;
  display: flex; flex-direction: column; gap: 10px;
}
.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -10px rgba(10, 22, 40, .15);
  border-color: #d1d5db;
}
.blog-card-tag {
  display: inline-block; align-self: flex-start;
  font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  background: var(--accent-soft); color: #1d4ed8;
  padding: 4px 10px; border-radius: 999px;
}
.blog-card h2 { margin: 0; font-size: 1.18rem; line-height: 1.35; }
.blog-card h2 a { color: var(--ink); }
.blog-card h2 a:hover { color: var(--accent); text-decoration: none; }
.blog-card-excerpt { color: var(--muted); font-size: .92rem; margin: 0; flex: 1; }
.blog-card-meta { color: var(--muted); font-size: .82rem; }

.empty-state {
  background: var(--card); border: 1px dashed var(--border);
  border-radius: 12px; padding: 60px 30px; text-align: center;
}
.empty-state h2 { margin: 0 0 8px; color: var(--ink); }
.empty-state p { color: var(--muted); margin: 0; }

/* ───── Pagination ───── */
.blog-pagination {
  display: flex; gap: 6px; justify-content: center; margin-top: 40px;
}
.blog-pagination a {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--card); color: var(--text); font-weight: 500; font-size: .92rem;
}
.blog-pagination a:hover { background: var(--accent-soft); text-decoration: none; }
.blog-pagination a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ───── Sidebar CTA after listing ───── */
.blog-sidebar-cta { padding: 0 24px 50px; }
.cta-card {
  background: var(--ink); color: #fff;
  border-radius: 14px; padding: 36px;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px;
}
.cta-card h2 { margin: 0; font-size: 1.5rem; }
.cta-card p { margin: 0; color: #cbd5e1; }

.btn-primary-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; padding: 11px 22px;
  border-radius: 7px; font-weight: 600; text-decoration: none;
  margin-top: 8px; font-size: .96rem; transition: filter .12s;
}
.btn-primary-cta:hover { filter: brightness(.94); color: #fff; text-decoration: none; }

/* ───── Breadcrumb ───── */
.breadcrumb { padding: 18px 24px 0; }
.breadcrumb ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 6px; flex-wrap: wrap;
  font-size: .85rem; color: var(--muted);
}
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb [aria-current="page"] { color: var(--text); font-weight: 500; }

/* ───── Article layout ───── */
.article-wrap {
  display: grid; grid-template-columns: minmax(0, 1fr) 280px;
  gap: 50px; padding: 30px 24px 80px;
}
@media (max-width: 980px) { .article-wrap { grid-template-columns: 1fr; gap: 30px; } }

.article-main { max-width: var(--reading); margin: 0 auto; width: 100%; }

/* Article body */
.blog-article {
  background: var(--card);
  padding: 40px 36px;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.article-header h1 {
  font-size: 2.15rem; line-height: 1.2; color: var(--ink);
  margin: 0 0 14px; font-weight: 700;
}
.article-meta { color: var(--muted); font-size: .9rem; display: flex; gap: 14px; margin-bottom: 24px; }

.answer-box {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 18px 20px;
  margin: 22px 0 32px;
  border-radius: 0 8px 8px 0;
  font-size: 1.04rem;
}
.answer-box p { margin: 0; color: var(--ink); font-weight: 500; }

.blog-article h2 {
  font-size: 1.55rem; line-height: 1.3; color: var(--ink);
  margin: 38px 0 16px; font-weight: 600;
  scroll-margin-top: 90px;
}
.blog-article h3 { font-size: 1.18rem; color: var(--ink); margin: 26px 0 10px; font-weight: 600; }
.blog-article p, .blog-article ul, .blog-article ol { line-height: 1.75; margin: 0 0 16px; }
.blog-article ul, .blog-article ol { padding-left: 24px; }
.blog-article li { margin-bottom: 6px; }
.blog-article a { color: var(--accent); border-bottom: 1px solid rgba(79,142,255,.25); }
.blog-article a:hover { border-bottom-color: var(--accent); text-decoration: none; }

.blog-article table {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  font-size: .95rem; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border);
}
.blog-article th, .blog-article td {
  padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border);
}
.blog-article th { background: #f9fafb; font-weight: 600; color: var(--ink); }
.blog-article tr:last-child td { border-bottom: none; }

/* FAQ accordion */
.faq-section { margin: 40px 0 30px; }
.faq-section > h2 { margin-bottom: 18px; }
.faq-item {
  border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px;
  background: #fafbfc; overflow: hidden;
}
.faq-item h3 {
  margin: 0; padding: 14px 18px; font-size: 1rem; color: var(--ink);
  position: relative; padding-right: 40px;
}
.faq-item h3::after {
  content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.4rem; font-weight: 400; transition: transform .15s;
}
.faq-item.open h3::after { content: '−'; }
.faq-item p { padding: 0 18px 16px; margin: 0; color: var(--text); display: none; }
.faq-item.open p { display: block; }

/* People Also Ask */
.paa-section { margin: 30px 0; }
.paa-item {
  background: #fafbfc; border-left: 3px solid var(--accent);
  padding: 14px 18px; margin-bottom: 10px; border-radius: 0 8px 8px 0;
}
.paa-item h3 { margin: 0 0 6px; font-size: 1rem; color: var(--ink); }
.paa-item p { margin: 0; color: var(--text); font-size: .94rem; }

.article-cta {
  background: var(--ink); color: #fff;
  padding: 36px; border-radius: 12px; margin: 40px 0 0;
  text-align: center;
}
.article-cta h2 { margin: 0 0 8px; color: #fff; }
.article-cta p { color: #cbd5e1; margin: 0 0 18px; }
.article-cta .btn-primary {
  display: inline-flex; background: var(--accent); color: #fff;
  padding: 12px 24px; border-radius: 7px; font-weight: 600; text-decoration: none;
  border-bottom: none;
}
.article-cta .btn-primary:hover { filter: brightness(.94); }

/* Share bar */
.share-bar {
  display: flex; align-items: center; gap: 12px;
  margin: 24px 0; color: var(--muted); font-size: .9rem;
}
.share-bar a, .share-bar button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; text-decoration: none; border: none; cursor: pointer; font-size: .85rem;
}
.share-bar button { width: auto; padding: 0 14px; border-radius: 999px; }
.share-bar a:hover, .share-bar button:hover { background: var(--accent); color: #fff; }

/* Related */
.related-articles { margin-top: 48px; }
.related-articles h2 { font-size: 1.4rem; color: var(--ink); margin-bottom: 16px; }
.related-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 800px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; text-decoration: none; color: var(--text); transition: transform .12s, box-shadow .15s;
}
.related-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px -10px rgba(10,22,40,.15); text-decoration: none; }
.related-card h3 { margin: 0 0 6px; font-size: 1rem; color: var(--ink); }
.related-card p { margin: 0 0 8px; color: var(--muted); font-size: .88rem; }
.related-card .muted { font-size: .78rem; color: var(--muted); }

/* Article sidebar */
.article-sidebar .sticky { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 18px; }
.card-side {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px;
}
.card-side h4 { margin: 0 0 10px; font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.toc-card nav ul { list-style: none; padding: 0; margin: 0; }
.toc-card li { margin-bottom: 8px; }
.toc-card a { color: var(--text); font-size: .92rem; line-height: 1.4; display: block; padding: 4px 0; border-bottom: 1px dashed transparent; }
.toc-card a:hover { color: var(--accent); border-bottom-color: var(--accent); text-decoration: none; }

.cta-card-side { background: var(--ink); color: #fff; }
.cta-card-side h4 { color: #cbd5e1; }
.cta-card-side p { color: #cbd5e1; margin: 0 0 12px; font-size: .9rem; }

/* Footer */
.blog-footer {
  background: var(--ink); color: #cbd5e1;
  padding: 30px 0; margin-top: 60px;
  font-size: .9rem;
}
.blog-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.blog-footer a { color: #cbd5e1; }
.blog-footer a:hover { color: #fff; }

/* === SEO/AEO additions (Fix 11) === */
.short-answer-block {
  border-left: 4px solid #f59e0b;
  background: #fefce8;
  padding: 16px 20px;
  margin: 0 0 28px 0;
  border-radius: 0 8px 8px 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: #1f2937;
}
.short-answer-block strong {
  display: inline-block;
  margin-right: 6px;
  font-weight: 700;
  color: #92400e;
}
