/* Shared layout for content pages: blog (index + post) and legal documents */

.article {
  max-width: 44rem;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-5xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

@media (max-width: 48rem) {
  .article {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-4xl);
    gap: var(--spacing-lg);
  }
}

.article__back {
  align-self: flex-start;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.article__header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xs);
}

.article__title {
  font-family: var(--font-family-bricolage);
  font-size: var(--unit-40);
  line-height: 1.1;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

@media (max-width: 48rem) {
  .article__title {
    font-size: var(--unit-32);
  }
}

.article__subtitle {
  font-size: var(--font-lg);
  color: var(--text-secondary);
}

.article__meta {
  font-size: var(--font-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

/* --- Prose: styles the raw HTML produced from Markdown --- */

.prose {
  color: var(--text-primary);
  font-size: var(--font-md);
  line-height: 1.7;
}

.prose > * + * {
  margin-top: var(--spacing-lg);
}

.prose > :first-child {
  margin-top: 0;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--font-family-bricolage);
  font-weight: var(--font-weight-semibold);
  line-height: 1.25;
  margin-top: var(--spacing-3xl);
}

.prose h2 { font-size: var(--unit-26); }
.prose h3 { font-size: var(--unit-22); }
.prose h4 { font-size: var(--unit-20); }

.prose a {
  color: #1F7138;
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--interactive-primary);
}

.prose ul,
.prose ol {
  padding-left: var(--spacing-xl);
}

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose li + li {
  margin-top: var(--spacing-2xs);
}

.prose blockquote {
  border-left: 3px solid var(--active-green);
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
  font-style: italic;
}

.prose code {
  font-family: monospace;
  font-size: 0.9em;
  background-color: var(--background-neutral);
  padding: 0.15em 0.4em;
  border-radius: var(--rounded-3xs);
}

.prose pre {
  background-color: var(--interactive-primary);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--rounded-xs);
  overflow-x: auto;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--rounded-xs);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border-neutral);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

.prose th,
.prose td {
  border: 1px solid var(--color-border-soft);
  padding: var(--spacing-2xs) var(--spacing-sm);
  text-align: left;
}

.prose th {
  background-color: var(--background-neutral);
  font-weight: var(--font-weight-semibold);
}

.article__pagination {
  margin-top: var(--spacing-md);
}

/* --- Legal cross-links --- */

.article__legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-soft);
}

/* --- Two-column layout with a table of contents --- */

.article__main {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  min-width: 0;
}

.article--toc {
  max-width: 64rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15rem;
  gap: var(--spacing-4xl);
  align-items: start;
}

/* A post rendered from a view template rather than Markdown: charts and
   tables need more room than running text. */
.article--wide,
.article--toc.article--wide {
  max-width: 80rem;
}

.toc {
  position: sticky;
  top: var(--spacing-xl);
  align-self: start;
  max-height: calc(100vh - var(--spacing-3xl));
  overflow-y: auto;
}

.toc__title {
  font-size: var(--font-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.toc__nav {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border-soft);
}

.toc__link {
  display: block;
  padding: var(--spacing-3xs) var(--spacing-md);
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: var(--font-sm);
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.12s ease;
}

.toc__link:hover {
  color: var(--text-primary);
}

.toc__link--sub {
  padding-left: var(--spacing-lg);
}

.toc__link--active {
  color: #1F7138;
  font-weight: var(--font-weight-semibold);
  border-left-color: #1F7138;
}

/* offset anchored headings so they aren't flush against the viewport top */
.prose h2,
.prose h3 {
  scroll-margin-top: var(--spacing-xl);
}

@media (max-width: 900px) {
  .article--toc {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .toc {
    display: none;
  }
}