*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  color: #222;
  line-height: 1.6;
}

a { color: #0066cc; }
a:hover { color: #004499; }

header { border-bottom: 2px solid #eee; margin-bottom: 2rem; padding-bottom: 0.75rem; }
.site-title { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: #111; }

h1 { font-size: 1.75rem; line-height: 1.3; margin-bottom: 0.5rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; border-bottom: 1px solid #eee; padding-bottom: 0.25rem; }
h3 { font-size: 1.05rem; margin-top: 1.5rem; }

.meta { color: #666; font-size: 0.9rem; margin-bottom: 1.5rem; }

table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.95rem; }
th, td { border: 1px solid #ddd; padding: 0.5rem 0.75rem; text-align: left; }
th { background: #f5f5f5; font-weight: 600; }
tr:nth-child(even) td { background: #fafafa; }

code { background: #f0f0f0; padding: 0.15em 0.4em; border-radius: 3px; font-size: 0.9em; }

ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.3rem; }

.page-list { list-style: none; padding: 0; }
.page-list li { padding: 0.4rem 0; border-bottom: 1px solid #f0f0f0; }
.page-list code { margin-left: 0.5rem; color: #555; }

.section-list { list-style: none; padding: 0; }
.section-list li { padding: 0.5rem 0; font-size: 1.05rem; }
.section-list span { color: #888; font-size: 0.9rem; margin-left: 0.5rem; }

.breadcrumb { font-size: 0.85rem; color: #888; margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid #eee; }
.breadcrumb a { color: #888; }

footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid #eee; font-size: 0.85rem; color: #888; }