* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f5f5;
  padding: 2rem 1rem;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  align-items: baseline;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.site-nav .brand { font-size: 1.4rem; font-weight: 800; color: #1a1a1a; text-decoration: none; margin-right: auto; }
.site-nav a { color: #4a90e2; text-decoration: none; font-weight: 600; }
.site-nav a:hover { text-decoration: underline; }
.site-nav a.active { color: #1a1a1a; }

h1 { font-size: 2rem; font-weight: 800; color: #1a1a1a; margin-bottom: 0.5rem; }
h2 { font-size: 1.35rem; font-weight: 700; color: #1a1a1a; margin: 2rem 0 0.5rem; scroll-margin-top: 1rem; }
h3 { font-size: 1.05rem; font-weight: 700; color: #1a1a1a; margin: 1.25rem 0 0.4rem; }
p { margin: 0.5rem 0; }
ul, ol { margin: 0.5rem 0 0.5rem 1.5rem; }
li { margin: 0.25rem 0; }
a { color: #4a90e2; }
code { background: #f1f3f5; padding: 0.1rem 0.35rem; border-radius: 3px; font-size: 0.9em; }
.lead { color: #666; }

.toc { background: #f9f9f9; border-radius: 6px; padding: 0.75rem 1.25rem; margin: 1.25rem 0; }
.toc ul { list-style: none; margin: 0.25rem 0 0; }

table { border-collapse: collapse; width: 100%; margin: 0.75rem 0; font-size: 0.95rem; }
th, td { border: 1px solid #e0e0e0; padding: 0.4rem 0.7rem; text-align: left; vertical-align: top; }
th { background: #f5f5f5; }

.release { margin-top: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid #e0e0e0; scroll-margin-top: 1rem; }
.release-head { display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.release-head h2 { margin: 0; }
.release-date { color: #666; }
.badge { background: #4a90e2; color: white; font-size: 0.75rem; font-weight: 700; padding: 0.1rem 0.5rem; border-radius: 999px; }

footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #e0e0e0; text-align: center; font-size: 0.9rem; color: #666; }