:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #555555;
  --link: #0a5b8c;
  --border: #dddddd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #14171a;
    --muted: #a8a8a8;
    --link: #7fc2e8;
    --border: #333333;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.6;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

header.site-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

header.site-header h1 {
  font-size: 1.6rem;
  margin: 0 0 0.4rem;
}

header.site-header p.tagline {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
}

h1, h2, h3 { line-height: 1.25; }

a { color: var(--link); }

.byline {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: -0.5rem;
  margin-bottom: 2rem;
}

.data-links {
  margin-top: 2.5rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.data-links h2 {
  font-size: 1.05rem;
  margin-top: 0;
}

.data-links ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

footer.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.article-list li {
  margin-bottom: 0.75rem;
}

.series-label {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.findings-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.findings-list {
  margin-top: 1.5rem;
}

.finding {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.finding:last-child {
  border-bottom: none;
}

.finding h3 {
  font-size: 1.05rem;
  margin: 0.2rem 0 0.5rem;
}

.finding-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.finding-kdp, .finding-risks {
  font-size: 0.9rem;
}

.findings-nav {
  margin-top: 2rem;
}