:root {
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-text-light: #888;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f5f0;
  --color-archive: #8b6f47;
  --color-archive-bg: #fef9ed;
  --color-archive-border: #d4b896;
  --color-medical-warning: #c0392b;
  --color-medical-warning-bg: #fdedeb;
  --color-medical-warning-border: #e8b5ad;
  --color-link: #1a4480;
  --color-border: #e0ddd4;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.archive-banner {
  background: var(--color-archive-bg);
  border-bottom: 2px solid var(--color-archive-border);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-archive);
  text-align: center;
  line-height: 1.5;
}

.archive-banner strong { font-weight: 600; }
.archive-banner a { color: inherit; text-decoration: underline; }

.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.75rem 1rem 1.25rem;
  text-align: center;
}

.site-header h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-header h1 a {
  color: var(--color-text);
  text-decoration: none;
}

.site-tagline {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  font-style: italic;
  font-family: var(--font-sans);
}

.site-nav {
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin: 0 1rem;
  padding-bottom: 2px;
}

.site-nav a:hover {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.article-attribution {
  background: var(--color-archive-bg);
  border-left: 3px solid var(--color-archive);
  padding: 1rem 1.2rem;
  margin: 0 0 2rem;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.article-attribution strong { color: var(--color-text); font-weight: 600; }

.article-medical-warning {
  background: var(--color-medical-warning-bg);
  border-left: 3px solid var(--color-medical-warning);
  padding: 1rem 1.2rem;
  margin: 1rem 0 2rem;
  font-family: var(--font-sans);
  font-size: 13px;
  color: #6b2e25;
  line-height: 1.55;
}

.article-medical-warning strong { color: var(--color-medical-warning); font-weight: 700; }

.article-meta {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

article h1.article-title {
  font-size: 36px;
  line-height: 1.2;
  margin: 0 0 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

article h2 {
  font-size: 26px;
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
}

article h3 {
  font-size: 21px;
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}

article p { margin: 0 0 1.2rem; }

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

article img { max-width: 100%; height: auto; margin: 1.5rem 0; border-radius: 4px; }

article ul, article ol { margin: 0 0 1.2rem; padding-left: 1.5rem; }

article li { margin-bottom: 0.4rem; }

article blockquote {
  border-left: 3px solid var(--color-border);
  margin: 1.5rem 0;
  padding: 0.5rem 1.5rem;
  font-style: italic;
  color: var(--color-text-muted);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
}

.site-footer a { color: var(--color-text-muted); }

.site-footer p { margin: 0.4rem 0; }

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

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

.archive-item h2 {
  font-size: 22px;
  margin: 0 0 0.4rem;
  font-weight: 600;
}

.archive-item h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.archive-item h2 a:hover {
  color: var(--color-link);
}

.archive-item-meta {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.archive-item-meta .word-count::before { content: " · "; }

.medical-disclaimer-box {
  background: var(--color-medical-warning-bg);
  border: 1px solid var(--color-medical-warning-border);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

.medical-disclaimer-box h3 {
  margin: 0 0 0.75rem;
  font-size: 16px;
  color: var(--color-medical-warning);
  font-family: var(--font-sans);
}

@media (max-width: 600px) {
  body { font-size: 17px; }
  .site-header h1 { font-size: 24px; }
  article h1.article-title { font-size: 28px; }
  article h2 { font-size: 22px; }
  main { padding: 1.5rem 1rem; }
  .site-nav a { margin: 0 0.5rem; font-size: 12px; }
}