/* Ruy Chess · estilo común de las páginas legales (sin fuentes ni código externos). */
:root{--bg:#f6f1e7;--surface:#fffdf8;--ink:#211f1d;--muted:#6b635a;--line:#e2d8c6;--accent:#a4523f;--mark:#fde8a8}
@media (prefers-color-scheme:dark){:root{--bg:#171412;--surface:#211d1a;--ink:#efe8dc;--muted:#a99e90;--line:#3a332d;--accent:#e08a6f;--mark:#5a4a12}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:28px 16px 64px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px;font-size:.92rem}
.top a{color:var(--accent);text-decoration:none;font-weight:600}
nav.docs{display:flex;flex-wrap:wrap;gap:6px 14px}
nav.docs a{color:var(--muted);font-weight:500} nav.docs a[aria-current]{color:var(--ink);text-decoration:underline}
article{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px 22px}
h1{font-size:1.8rem;line-height:1.2;margin:0 0 6px}
h2{font-size:1.15rem;margin:28px 0 6px}
h3{font-size:1rem;margin:18px 0 4px}
.ver{color:var(--muted);font-size:.88rem;margin:0 0 18px}
p,li{max-width:70ch} ul,ol{padding-left:1.3em}
a{color:var(--accent)}
table{width:100%;border-collapse:collapse;font-size:.9rem;margin:10px 0;display:block;overflow-x:auto}
th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:8px 10px 8px 0}
th{color:var(--muted);font-weight:600}
mark{background:var(--mark);color:inherit;padding:0 3px;border-radius:3px}
.box{border-left:3px solid var(--accent);padding:8px 14px;background:rgba(164,82,63,.07);border-radius:0 8px 8px 0;margin:14px 0}
footer{color:var(--muted);font-size:.85rem;margin-top:22px;text-align:center}