/* ── Blog Layout ── */
.blog-layout {
  display: flex;
  gap: 48px;
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 24px;
  align-items: flex-start;
}

/* ── Table of Contents ── */
.toc {
  width: 180px;
  flex-shrink: 0;
  position: sticky;
  top: 48px;
}

.toc-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 12px;
}

.toc nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-link {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.15s ease;
}

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

/* ── Article ── */
.blog-article {
  flex: 1;
  min-width: 0;
  max-width: 620px;
}

.back-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 28px;
  transition: color 0.15s ease;
}

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

.blog-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.2;
}

.blog-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.blog-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin-bottom: 36px;
}

.blog-article section {
  margin-bottom: 36px;
}

.blog-article h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.blog-article p {
  font-size: 0.92rem;
  color: var(--accent);
  line-height: 1.8;
  margin-bottom: 14px;
}

.blog-article a {
  color: var(--link);
}

.blog-article a:hover {
  color: var(--link-hover);
}

/* ── Code Blocks ── */
pre {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 8px;
  overflow-x: auto;
}

pre code {
  font-family: 'Fira Code', 'Cascadia Code', 'Menlo', monospace;
  font-size: 0.82rem;
  color: var(--text);
}

.blog-article p code {
  font-family: 'Fira Code', 'Cascadia Code', 'Menlo', monospace;
  font-size: 0.8rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text);
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .blog-layout {
    flex-direction: column;
    padding: 40px 20px;
  }

  .toc {
    width: 100%;
    position: static;
  }
}