/* ============================================================
   ARTICLE PAGE STYLES
   ============================================================ */
.article {
  max-width: 740px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + 60px) 24px 80px;
}

/* Back link */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 40px;
  transition: gap var(--transition-fast);
}

.article-back:hover {
  gap: 12px;
}

/* Header */
.article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.article-meta time {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.article-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.article-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.article-header .card-tags {
  margin-top: 4px;
}

/* Body content */
.article-body h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-body p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.article-body a:hover {
  color: var(--accent-muted);
}

.article-body ul,
.article-body ol {
  margin: 16px 0 20px 20px;
  color: var(--text-secondary);
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
  font-size: 1.02rem;
}

.article-body li::marker {
  color: var(--accent);
}

/* Code blocks */
.article-body pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 24px 0;
  overflow-x: auto;
}

.article-body pre code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.7;
}

/* Inline code */
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: 4px;
}

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

/* Images */
.article-body img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin: 24px 0;
}

/* Blockquotes */
.article-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 24px 0;
  padding: 12px 20px;
  background: rgba(100, 255, 218, 0.04);
  border-radius: 0 8px 8px 0;
}

.article-body blockquote p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0;
}

/* Horizontal rule */
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}