:root{--brand:#315c57;--warm:#f3e9d2;--ink:#2a2a2a;--muted:#6b6b6b;--code-bg:#fafafa;--border:#e5e5e5}
*{box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);max-width:920px;margin:0 auto;padding:2rem;line-height:1.65}
header.site{padding:1rem 0 2rem;border-bottom:1px solid var(--border);margin-bottom:2rem}
header.site h1{color:var(--brand);margin:0 0 0.25rem;font-size:1.4rem}
header.site .lede{color:var(--muted);margin:0}
nav.crumbs{font-size:0.85rem;color:var(--muted);margin-bottom:1.5rem}
nav.crumbs a{color:var(--brand);text-decoration:none}
h1{color:var(--brand);font-size:1.9rem;border-bottom:2px solid var(--brand);padding-bottom:0.3rem}
h2{color:var(--brand);font-size:1.4rem;margin-top:2.5rem;border-bottom:1px solid var(--border);padding-bottom:0.3rem}
h3{color:var(--brand);font-size:1.15rem;margin-top:2rem}
h4{color:var(--ink);font-size:1.05rem;margin-top:1.5rem}
p,ul,ol,table,blockquote{margin:1rem 0}
ul,ol{padding-left:1.5rem}
li{margin:0.25rem 0}
code{background:var(--code-bg);padding:0.1rem 0.35rem;border-radius:4px;font-size:0.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre{background:var(--code-bg);padding:1rem;border-radius:8px;overflow-x:auto;line-height:1.5;font-size:0.85rem;border:1px solid var(--border)}
pre code{background:transparent;padding:0;font-size:inherit}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:0.9rem}
th,td{padding:0.5rem;border:1px solid var(--border);text-align:left;vertical-align:top}
th{background:var(--warm);font-weight:600}
blockquote{border-left:4px solid var(--brand);padding:0.5rem 1rem;color:var(--muted);font-style:italic;background:#fafafa}
a{color:var(--brand)}
.callout{padding:0.75rem 1rem;border-radius:8px;margin:1rem 0;border-left:4px solid var(--brand);background:#f0f7f4}
.callout.warn{border-left-color:#b85b3a;background:#fff5f0}
.callout.info{border-left-color:#5b87b8;background:#f0f5fa}
.tag{display:inline-block;background:var(--warm);color:var(--ink);padding:0.1rem 0.5rem;border-radius:4px;font-size:0.75rem;margin-right:0.5rem}
.status{display:inline-block;padding:0.15rem 0.5rem;border-radius:4px;font-size:0.8rem;font-weight:600}
.status.accepted{background:#d4edda;color:#155724}
.status.superseded{background:#f8d7da;color:#721c24}
.status.deferred{background:#e2e3e5;color:#383d41}
hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
footer.site{border-top:1px solid var(--border);margin-top:3rem;padding-top:1rem;color:var(--muted);font-size:0.85rem}
footer.site a{color:var(--brand)}
.toc{padding:1rem;background:var(--warm);border-radius:8px;margin:1rem 0}
.toc h4{margin-top:0;font-size:0.95rem}
.toc ul{padding-left:1.2rem;margin:0.5rem 0;font-size:0.9rem}
.badge{display:inline-block;padding:0.15rem 0.5rem;border-radius:4px;font-size:0.75rem;font-weight:600;margin-right:0.25rem}
.badge.ok{background:#d4edda;color:#155724}
.badge.tbd{background:#fff3cd;color:#856404}
.badge.blocker{background:#f8d7da;color:#721c24}