/* Article Detail Page Styles */

.article-header {
  padding: 80px 0 40px;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.article-date {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.article-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(34, 197, 94, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.article-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 700px;
}

.article-body {
  padding: 60px 0 100px;
}

.article-content {
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 48px 0 20px;
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 36px 0 16px;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 24px;
}

.article-content li {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

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

/* Callout */
.callout {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 8px 8px 0;
}

.callout p {
  margin: 0;
  color: var(--text-primary);
}

.callout.warning {
  border-left-color: #f59e0b;
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
  margin-bottom: 32px;
}

.back-link:hover {
  color: var(--accent);
}

/* Original Link */
.original-link {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.original-link p {
  font-size: 0.95rem;
}

.original-link a {
  color: var(--accent);
  text-decoration: none;
}

.original-link a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

/* Related Learn Section */
.related-learn {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.related-learn-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.related-learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.related-learn-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  transition: all 0.2s;
}

.related-learn-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.related-learn-card .learn-badge {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 8px;
}

.related-learn-card .learn-badge.basics {
  color: var(--accent);
  background: rgba(34, 197, 94, 0.1);
}

.related-learn-card .learn-badge.master {
  color: #a78bfa;
  background: rgba(167, 139, 250, 0.1);
}

.related-learn-card .learn-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.related-learn-card .learn-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}