/*
 * Blog content typography.
 *
 * Loaded only on /blog and /blog/{slug} via the blog-shell.html <head>.
 * ALL rules are scoped to #blog-content-root, .blog-list, or .blog-content so
 * MUI / emotion critical-CSS styles on body/h1/a/etc. from the SSG layout are
 * preserved. Do NOT add bare element selectors — they will bleed into the
 * nav/footer and break the visual theme.
 */

#blog-content-root {
  --blog-text: #1a202c;
  --blog-text-muted: #4a5568;
  --blog-link: #1976d2;
  --blog-link-hover: #0f4a82;
  --blog-border: #e2e8f0;
  --blog-code-bg: #f5f7fa;
  --blog-max-width: 760px;
  --blog-list-max-width: 1120px;

  max-width: var(--blog-max-width);
  margin: 0 auto;
  padding: 48px 24px 96px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--blog-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#blog-content-root:has(.blog-list) {
  max-width: var(--blog-list-max-width);
}

#blog-content-root a:not(.blog-card) {
  color: var(--blog-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}
#blog-content-root a:not(.blog-card):hover {
  color: var(--blog-link-hover);
  border-bottom-color: currentColor;
}

#blog-content-root h1,
#blog-content-root h2,
#blog-content-root h3,
#blog-content-root h4 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  line-height: 1.25;
  color: var(--blog-text);
  margin: 1.6em 0 0.6em;
}
#blog-content-root h1 { font-size: 2.25rem; margin-top: 0; }
#blog-content-root h2 { font-size: 1.5rem; }
#blog-content-root h3 { font-size: 1.2rem; }

#blog-content-root p,
#blog-content-root ul,
#blog-content-root ol {
  margin: 0 0 1.2em;
}

#blog-content-root ul,
#blog-content-root ol { padding-left: 1.4em; }
#blog-content-root li + li { margin-top: 0.35em; }

#blog-content-root blockquote {
  margin: 1.4em 0;
  padding: 0.2em 1.2em;
  border-left: 4px solid var(--blog-link);
  background: var(--blog-code-bg);
  color: var(--blog-text-muted);
  border-radius: 0 6px 6px 0;
}

#blog-content-root code {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--blog-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}
#blog-content-root pre {
  background: var(--blog-code-bg);
  padding: 1em 1.2em;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.92em;
  line-height: 1.55;
}
#blog-content-root pre code { background: transparent; padding: 0; }

#blog-content-root img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.2em 0;
}

#blog-content-root p:has(> img) { text-align: center; }
#blog-content-root img.align-center,
#blog-content-root p.align-center > img { display: block; margin-left: auto; margin-right: auto; }
#blog-content-root img.align-left,
#blog-content-root p.align-left > img { float: left; margin: 0.4em 1.2em 0.8em 0; max-width: 50%; }
#blog-content-root img.align-right,
#blog-content-root p.align-right > img { float: right; margin: 0.4em 0 0.8em 1.2em; max-width: 50%; }
#blog-content-root p.align-left::after,
#blog-content-root p.align-right::after { content: ''; display: block; clear: both; }

#blog-content-root .blog-image-caption {
  display: block;
  margin-top: 0.5em;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--blog-text-muted);
  line-height: 1.45;
}
#blog-content-root p:has(> img) > img { margin-bottom: 0; }

#blog-content-root hr {
  border: 0;
  border-top: 1px solid var(--blog-border);
  margin: 1em 0;
}

#blog-content-root table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.95em;
}
#blog-content-root th,
#blog-content-root td {
  padding: 0.6em 0.8em;
  border-bottom: 1px solid var(--blog-border);
  text-align: left;
}
#blog-content-root th { font-weight: 600; background: var(--blog-code-bg); }

.blog-list { list-style: none; padding: 0; margin: 0; }
.blog-list-header { margin-bottom: 2rem; }
.blog-list-header h1 { margin: 0 0 0.3em; }
.blog-list-subtitle {
  margin: 0;
  color: var(--blog-text-muted);
  font-size: 1.05rem;
}

.blog-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 900px) {
  .blog-cards {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

.blog-card {
  display: block;
  background: #fff;
  border: 2px solid var(--blog-border);
  border-radius: 12px;
  padding: 24px 28px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.1);
  border-color: var(--blog-link);
}
.blog-card article { margin: 0; }
#blog-content-root .blog-card h2 {
  font-size: 1.4rem;
  margin: 0 0 0.6em;
  border: 0;
  padding: 0;
  color: var(--blog-text);
}
.blog-card-hero {
  grid-column: 1 / -1;
  padding: 32px 40px;
  background: linear-gradient(135deg, #f8fbff 0%, #eef4ff 100%);
}
.blog-card-hero .blog-card-desc { max-width: 900px; }
.blog-card-excerpt {
  margin: 0 0 1em;
  color: var(--blog-text-muted);
  max-width: 900px;
}

@media (min-width: 900px) {
  .blog-card-hero { padding: 40px 48px; }
}
.blog-card-desc {
  margin: 0 0 0.9em;
  color: var(--blog-text-muted);
  font-size: 1rem;
  line-height: 1.55;
}
.blog-card-date {
  display: block;
  font-size: 0.85rem;
  color: var(--blog-text-muted);
  letter-spacing: 0.02em;
}

@media (min-width: 720px) {
  .blog-card { padding: 32px; }
  .blog-card h2 { font-size: 1.55rem; }
}

.blog-content header { margin-bottom: 2em; }
.blog-content header h1 { margin-bottom: 0.25em; }
.blog-content header .blog-meta {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--blog-text-muted);
  letter-spacing: 0.01em;
}
.blog-content header .blog-meta [itemprop="name"] {
  font-weight: 600;
}

.blog-back {
  display: inline-block;
  margin-bottom: 1.6em;
  font-size: 0.9rem;
}

.blog-footer-divider {
  margin: 1em 0;
}
.blog-cta {
  margin: 0 0 0.6em;
  font-size: 1.05rem;
  font-weight: 600;
}
.blog-disclaimer {
  font-size: 0.88rem;
  color: var(--blog-text-muted);
  line-height: 1.55;
}
