:root{--bg:#fff;--fg:#161b26;--muted:#4a5160;--primary:#14284d;--accent:#6a1fd1;--border:#d9dde5;--soft:#f3f4f8}
@media (prefers-color-scheme:dark){:root{--bg:#0a0c10;--fg:#f1f2f4;--muted:#b4b9c4;--primary:#a9c0f0;--accent:#c4a3ff;--border:#2a303c;--soft:#141821}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--primary);text-underline-offset:2px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--primary);color:var(--bg);padding:.6rem 1rem;z-index:10}
.skip:focus{left:0}
header.top{border-bottom:1px solid var(--border);background:var(--soft)}
.wrap{max-width:46rem;margin:0 auto;padding:0 16px}
.top .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between;padding-top:.9rem;padding-bottom:.9rem}
.brand{font-weight:700;color:var(--primary);text-decoration:none;letter-spacing:.01em}
nav.sites a{margin-right:1rem;font-size:.95rem}
main{padding:2rem 0 3rem}
h1{font-size:clamp(1.7rem,5vw,2.3rem);line-height:1.2;margin:0 0 .5rem;color:var(--primary)}
h2{font-size:1.3rem;line-height:1.3;margin:2.2rem 0 .6rem;color:var(--primary);padding-top:.5rem;border-top:1px solid var(--border);scroll-margin-top:1rem}
h3{font-size:1.05rem;margin:1.4rem 0 .3rem}
p,li{max-width:70ch}
.meta{color:var(--muted);font-size:.95rem}
.toc{background:var(--soft);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem;margin:1.5rem 0}
.toc h2{margin:0 0 .5rem;border:0;padding:0;font-size:1.05rem}
.toc ol{margin:0;padding-left:1.3rem;columns:2 16rem}
.toc li{margin:.15rem 0}
.tablewrap{overflow-x:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.92rem}
caption{text-align:left;color:var(--muted);padding-bottom:.4rem}
th,td{border:1px solid var(--border);padding:.5rem .6rem;text-align:left;vertical-align:top}
th{background:var(--soft)}
button[data-sn-consent-open]{font:inherit;background:var(--primary);color:var(--bg);border:0;border-radius:6px;padding:.65rem 1.1rem;cursor:pointer;margin:.5rem 0}
button[data-sn-consent-open]:hover{background:var(--accent);color:#fff}
.box{border-left:4px solid var(--accent);background:var(--soft);padding:.8rem 1rem;border-radius:0 8px 8px 0;margin:1rem 0}
footer{border-top:1px solid var(--border);padding:1.5rem 0;color:var(--muted);font-size:.92rem}
@media print{.skip,nav.sites,button,.toc{display:none}body{font-size:11pt;color:#000;background:#fff}a{color:#000}h1,h2{color:#000}.tablewrap{overflow:visible}table{min-width:0}}