:root{--bg:#FAF9F6;--ink:#1F2422;--muted:#5C6662;--line:#E3E0D8;--card:#FFFFFF;
--acc:#0E6E5C;--acc-ink:#0A5445;--chip:#EEF3F1;--code:#F3F1EA;}
@media (prefers-color-scheme:dark){:root{--bg:#14181A;--ink:#E9E7E0;--muted:#98A29C;
--line:#2A3134;--card:#1B2124;--acc:#4CC2A9;--acc-ink:#7ADFC9;--chip:#20302B;--code:#20262A;}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65;
font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;}
a{color:var(--acc-ink);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.1rem}
header.site{border-bottom:1px solid var(--line);padding:.9rem 0;margin-bottom:2rem}
header.site .wrap{display:flex;align-items:baseline;gap:1.2rem;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.05rem;color:var(--ink)}
.logo span{color:var(--acc)}
nav.main{display:flex;gap:1rem;font-size:.92rem}
h1{font-size:1.9rem;line-height:1.25;margin:.2rem 0 .6rem;text-wrap:balance}
h2{font-size:1.25rem;margin:2.2rem 0 .6rem}
h3{font-size:1.05rem;margin:1.6rem 0 .4rem}
p.lead{font-size:1.08rem;color:var(--muted);margin-top:0}
.kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);font-weight:700}
.box{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem 1.2rem;margin:1.2rem 0}
.box.tldr{border-left:4px solid var(--acc)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.9rem;margin:1.4rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem 1.1rem;display:block;color:var(--ink)}
.card:hover{border-color:var(--acc);text-decoration:none}
.card b{display:block;margin-bottom:.25rem}
.card small{color:var(--muted)}
.prompt{background:var(--card);border:1px solid var(--line);border-radius:8px;margin:1.1rem 0;overflow:hidden}
.prompt .head{padding:.8rem 1.1rem;border-bottom:1px solid var(--line)}
.prompt .head b{font-size:1rem}
.prompt .head p{margin:.2rem 0 0;font-size:.88rem;color:var(--muted)}
.prompt pre{margin:0;padding:1rem 1.1rem;background:var(--code);font-size:.84rem;line-height:1.55;
white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.prompt .foot{padding:.5rem 1.1rem;display:flex;justify-content:flex-end}
button.copy{background:var(--acc);color:#fff;border:0;border-radius:6px;padding:.4rem .9rem;
font-size:.85rem;cursor:pointer}
button.copy:hover{opacity:.9}
.chip{display:inline-block;background:var(--chip);border-radius:999px;padding:.15rem .7rem;
font-size:.78rem;margin:.15rem .2rem .15rem 0;color:var(--acc-ink)}
.cta{background:var(--card);border:1.5px solid var(--acc);border-radius:10px;padding:1.3rem 1.4rem;margin:2.4rem 0}
.cta b{font-size:1.05rem}
.cta a.btn{display:inline-block;margin-top:.7rem;background:var(--acc);color:#fff;border-radius:6px;
padding:.55rem 1.1rem;font-weight:600}
.cta a.btn:hover{text-decoration:none;opacity:.92}
footer.site{border-top:1px solid var(--line);margin-top:3.5rem;padding:1.4rem 0 2.5rem;
font-size:.85rem;color:var(--muted)}
footer.site a{color:var(--muted);text-decoration:underline}
table{border-collapse:collapse;width:100%;font-size:.92rem;margin:1rem 0}
td,th{border:1px solid var(--line);padding:.5rem .7rem;text-align:left;vertical-align:top}
th{background:var(--chip)}
.tablewrap{overflow-x:auto}
ul{padding-left:1.2rem}
li{margin:.3rem 0}
.toc{font-size:.9rem;color:var(--muted)}