:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1c2029; --border:#262b36;
  --text:#e6e8ec; --muted:#8b92a3; --accent:#6ea8fe; --ai:#ff6b6b; --human:#4ad991;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
.top{padding:28px 0 0;font-size:14px}
.top a{color:var(--accent);text-decoration:none}
.top a:hover{text-decoration:underline}
h1{font-size:27px;font-weight:650;margin:30px 0 6px;letter-spacing:-0.01em}
h2{font-size:19px;font-weight:650;margin:38px 0 10px}
h3{font-size:15.5px;font-weight:650;margin:26px 0 6px;color:var(--text)}
.lede{color:var(--muted);font-size:16px;margin:0 0 6px}
p{margin:0 0 14px}
a{color:var(--accent)}
ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:7px}
code{background:var(--panel2);border:1px solid var(--border);border-radius:4px;
  padding:1px 5px;font-size:13px}
table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
td.num{font-variant-numeric:tabular-nums}
.box{background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:18px 20px;margin:0 0 20px}
.box.warn{border-color:#43303a;background:#1a1416}
.box h3{margin-top:0}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.muted{color:var(--muted);font-size:13.5px}
footer{margin:56px 0 44px;padding-top:22px;border-top:1px solid var(--border);
  color:var(--muted);font-size:13px}
footer nav{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:14px}
footer nav a{text-decoration:none}
footer nav a:hover{text-decoration:underline}
.kofi{display:inline-block;margin-top:10px;background:var(--panel2);
  border:1px solid var(--border);border-radius:8px;padding:9px 15px;
  color:var(--text);text-decoration:none;font-size:13.5px}
.kofi:hover{border-color:var(--accent)}
/* ---------- brand lockup ---------- */
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;margin-bottom:16px}
.brand img{display:block;height:48px;width:auto}
.brandname{font-size:15px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  color:#e9e2d4;line-height:1.1}
.brandname em{display:block;font-style:normal;font-size:11px;letter-spacing:.34em;
  color:var(--muted);font-weight:700}

/* ---------- mobile ---------- */
h1{font-size:clamp(23px,6.4vw,27px)}
h2{font-size:clamp(17px,4.6vw,19px)}
@media (max-width:640px){
  .wrap{padding:0 16px}
  table{display:block;overflow-x:auto}
  .box{padding:15px 16px}
  ul,ol{padding-left:19px}
}