:root{color-scheme:light dark;--fg:#1b2a1f;--bg:#f7faf5;--acc:#2f7d32;--mut:#55655a}
@media(prefers-color-scheme:dark){:root{--fg:#e8f0e9;--bg:#121a14;--acc:#7cc47f;--mut:#a9b8ac}}
*{box-sizing:border-box}body{margin:0;font:1.05rem/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--acc)}a:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--bg);padding:.5rem}
header,main,footer{max-width:46rem;margin:0 auto;padding:1rem 1.25rem}
header nav a{margin-right:1rem;font-weight:600}h1{line-height:1.2}h2{margin-top:2rem;font-size:1.25rem}
.mut{color:var(--mut)}.tbd{background:#fff3c4;color:#5a4300;padding:0 .3em;border-radius:3px;font-weight:700}
footer{border-top:1px solid var(--mut);margin-top:3rem;font-size:.9rem}.hero{text-align:center;padding:4rem 0}.hero h1{font-size:2.6rem;margin:.2em 0}
.tw{overflow-x:auto}table{border-collapse:collapse;font-size:.9rem;width:100%}th,td{border:1px solid var(--mut);padding:.4rem;text-align:left;vertical-align:top}caption{text-align:left;font-weight:600;margin-bottom:.3rem}.wa{margin-top:1rem}