:root {
  --link-color: #0645ad;
  --link-visited: #0b0080;
  --border-color: #a2a9b1;
  --bg-light: #f8f9fa;
  --text-muted: #54595d;
  --error-color: #c33;
  --warning-color: #f28500;
  --suggestion-color: #36c;
  --success-color: #006400;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Lato, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 2rem;
  color: #202122;
}

a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; }
a:visited { color: var(--link-visited); }

h1 {
  font-family: 'Linux Libertine', 'Georgia', serif;
  font-weight: 400;
  font-size: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin: 0 0 1rem;
}

h2 {
  font-family: 'Linux Libertine', 'Georgia', serif;
  font-weight: 400;
  font-size: 1.5rem;
  border-bottom: 1px solid #eaecf0;
  padding-bottom: 0.25rem;
  margin: 1.5rem 0 0.75rem;
}

h3 { font-size: 1.15rem; margin: 1.25rem 0 0.5rem; }

nav.breadcrumb {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

nav.breadcrumb a { margin: 0 0.25rem; }

.infobox {
  float: right;
  clear: right;
  width: 260px;
  margin: 0 0 1rem 1.5rem;
  border: 1px solid var(--border-color);
  background: var(--bg-light);
  font-size: 0.9rem;
}

.infobox-header {
  background: #cedff2;
  padding: 0.5rem;
  text-align: center;
  font-weight: 600;
}

.infobox-row {
  padding: 0.4rem 0.6rem;
  border-top: 1px solid var(--border-color);
}

.infobox-label { font-weight: 600; color: var(--text-muted); }

.toc {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  display: inline-block;
  margin: 1rem 0;
}

.toc-title { font-weight: 600; margin-bottom: 0.5rem; }
.toc ol { margin: 0; padding-left: 1.5rem; }
.toc li { margin: 0.2rem 0; }

table { border-collapse: collapse; margin: 1rem 0; }
th, td { border: 1px solid var(--border-color); padding: 0.5rem; text-align: left; vertical-align: top; }
th { background: #eaecf0; }

.lead { font-size: 1.05rem; }

.card {
  background: var(--bg-light);
  border-left: 4px solid var(--border-color);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
}

.card.error { border-left-color: var(--error-color); }
.card.warning { border-left-color: var(--warning-color); }
.card.suggestion { border-left-color: var(--suggestion-color); }
.card.strength { border-left-color: var(--success-color); background: #f0fff0; }

.card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.card-meta { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; }

blockquote {
  margin: 0.5rem 0;
  padding: 0.5rem 1rem;
  background: #fff;
  border-left: 2px solid #c8ccd1;
  font-style: italic;
  color: var(--text-muted);
}

.severity-error { color: var(--error-color); }
.severity-warning { color: var(--warning-color); }
.severity-suggestion { color: var(--suggestion-color); }

.tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
}
.tag.major { background: #d4edda; color: #155724; }
.tag.minor { background: #fff3cd; color: #856404; }
.tag.mentioned { background: #e2e3e5; color: #383d41; }
.tag.flashback { background: #cce5ff; color: #004085; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.stat-box {
  background: var(--bg-light);
  border: 1px solid #eaecf0;
  padding: 1rem;
  text-align: center;
}

.stat-value { font-size: 1.75rem; font-weight: 600; color: var(--link-color); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

.chapter-nav {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid #eaecf0;
  margin-bottom: 1rem;
}

.chapter-summary {
  background: var(--bg-light);
  border-left: 3px solid var(--border-color);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #eaecf0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 700px) {
  .infobox { float: none; width: 100%; margin: 1rem 0; }
  body { padding: 1rem; }
}