/* Code Block Styling */
.codehilite {
  background: var(--color-code-bg);
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
}

.codehilite pre {
  margin: 0;
  padding: 1.5rem;
  background: transparent;
  border: none;
  line-height: 1.5;
}

.codehilite .linenos {
  background: rgba(0, 0, 0, 0.1);
  padding: 1.5rem 1rem;
  text-align: right;
  user-select: none;
  color: var(--color-text-muted);
  border-right: 1px solid var(--color-border);
}

.codehilite table {
  border-spacing: 0;
  width: 100%;
}

.codehilite td {
  padding: 0;
}

/* Section Styling */
.section-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.section-content h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.section-content ul,
.section-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.section-content li {
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.section-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.section-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}

.section-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.section-content th,
.section-content td {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.section-content th {
  background: var(--color-surface);
  font-weight: 600;
}

.section-content p {
  margin-bottom: 1.25rem;
}

.section-content code:not(.codehilite code) {
  background-color: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Table of Contents */
.toc {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--color-accent);
  margin-bottom: 3rem;
}

.toc h3 {
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin-bottom: 0.5rem;
}

.toc a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.toc a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Section Badge */
.section-badge {
  background: var(--color-accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-family: var(--font-body);
}

/* Code Block Header */
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.code-title {
  margin: 0;
  font-size: 1rem;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
}

.code-filename {
  background: var(--color-surface);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
}

/* Article Navigation */
.article-nav {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.article-nav-item {
  display: block;
}

.article-nav-item.prev {
  justify-self: start;
}

.article-nav-item.next {
  justify-self: end;
  text-align: right;
}

/* Responsive */
@media (max-width: 768px) {
  .article-nav {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .article-nav-item.prev,
  .article-nav-item.next {
    justify-self: stretch;
    text-align: center;
  }
  
  .code-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 576px) {
  section {
    margin-left: 1rem;
    margin-right: 1rem;
  }
}