:root{color-scheme:light dark;--ink:#1f1b3a;--ink2:#565273;--line:#d9d6ee;--canvas:#fbfaff;--surface:#ffffff;--accent:#4f59cc;--accent-soft:#ecebff;--max:44rem}
@media (prefers-color-scheme:dark){:root{--ink:#eeedf8;--ink2:#b3b0cc;--line:#3a375a;--canvas:#141327;--surface:#1d1b33;--accent:#c7c5ff;--accent-soft:#2a2850}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .inner{max-width:var(--max);margin:0 auto;padding:.9rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
header.site .brand{font-weight:700;text-decoration:none;color:var(--ink);letter-spacing:.01em}
header.site nav a{color:var(--ink2);text-decoration:none;margin-left:1rem;font-size:.95rem}
header.site nav a[aria-current=page]{color:var(--accent);font-weight:600}
main{max-width:var(--max);margin:0 auto;padding:1.5rem 1.25rem 4rem}
h1{font-size:2rem;line-height:1.2;margin:.5rem 0 .25rem}h2{font-size:1.3rem;margin:2.2rem 0 .6rem;padding-top:.4rem;border-top:1px solid var(--line)}h3{font-size:1.05rem;margin:1.4rem 0 .4rem}
p,li{color:var(--ink)}.meta{color:var(--ink2);font-size:.95rem;margin:0 0 1.25rem}
a{color:var(--accent)}ul,ol{padding-left:1.35rem}li{margin:.3rem 0}
.callout{background:var(--accent-soft);border:1px solid var(--line);border-radius:14px;padding:.9rem 1.1rem;margin:1.25rem 0}
.callout p{margin:.35rem 0}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}th,td{text-align:left;vertical-align:top;padding:.55rem .6rem;border-bottom:1px solid var(--line)}th{color:var(--ink2);font-weight:600}
dl{margin:1rem 0}dt{font-weight:600;margin-top:.8rem}dd{margin:.2rem 0 0 0;color:var(--ink)}
footer.site{border-top:1px solid var(--line);color:var(--ink2);font-size:.9rem}
footer.site .inner{max-width:var(--max);margin:0 auto;padding:1.25rem}
footer.site a{color:var(--ink2)}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:.75rem 1.1rem;margin:1.25rem 0}
.toc ol{margin:.35rem 0;columns:2;column-gap:1.5rem}.toc li{break-inside:avoid;margin:.2rem 0}
@media (max-width:540px){.toc ol{columns:1}h1{font-size:1.65rem}body{font-size:16px}}