:root{color-scheme:light dark;--bg:#f4f4f7;--surface:#fff;--text:#131316;--muted:#4e4e58;--border:#d8d8df;--link:#2159c8;--note:#edeef2}
@media (prefers-color-scheme:dark){:root{--bg:#0d0d0f;--surface:#17171a;--text:#fff;--muted:#a3a3ac;--border:#2a2a2f;--link:#7aa2f2;--note:#1f1f23}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--link);text-underline-offset:.15em}
a:focus-visible{outline:3px solid var(--link);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--surface);padding:.75rem 1rem;z-index:1}
.skip:focus{left:0}
header,main,footer{max-width:46rem;margin:0 auto;padding:1rem}
header{position:sticky;top:0;z-index:2;background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between;text-align:center;border-bottom:1px solid var(--border)}
.brand{display:inline-flex;align-items:center;gap:.75rem;line-height:1;font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--text)}
.brand img{display:block;flex:none;padding:.25rem;border-radius:.75rem;box-shadow:0 1px 3px rgb(0 0 0/.25)}
nav{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem .5rem}
nav a{padding:.5rem .75rem;border-radius:999px;color:var(--muted);text-decoration:none;transition:background-color .15s,color .15s}
nav a:hover{background:var(--note);color:var(--text)}
nav a[aria-current=page]{color:var(--text);background:var(--note);font-weight:700}
main{padding-block:2rem;margin-block:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:1.25rem;box-shadow:0 1px 2px rgb(0 0 0/.04),0 8px 24px rgb(0 0 0/.04)}
@media (max-width:48rem){main{margin-inline:.5rem;padding-inline:1.25rem}}
h1{font-size:2rem;letter-spacing:-.02em;line-height:1.2;margin:0 0 .5rem}
h2{font-size:1.4rem;line-height:1.3;margin:2.25rem 0 .75rem}
h3{font-size:1.05rem;margin:1.5rem 0 .25rem}
p,ul,ol{margin:.75rem 0}
li{margin:.4rem 0}
.updated{color:var(--muted);margin-top:0}
.note{background:var(--note);border:1px solid var(--border);border-radius:.75rem;padding:.75rem 1rem;margin:1rem 0}
.pages{list-style:none;padding:0}
.pages li{display:flex;flex-direction:column;margin:.75rem 0;padding:.9rem 1.1rem;border:1px solid var(--border);border-radius:.9rem;transition:border-color .15s}
.pages li:hover,.pages li:focus-within{border-color:var(--link)}
.pages a{font-weight:700}
.pages span{color:var(--muted)}
footer{border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}