:root{
  --bg:#0a0a12;--card:#15151f;--line:rgba(255,255,255,.1);
  --ink:#ffffff;--ink2:rgba(255,255,255,.78);--ink3:rgba(255,255,255,.58);
  --em:#34d399;--em2:#059669;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink2);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--em)}
a:focus-visible,button:focus-visible{outline:2px solid var(--em);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--em);color:#04130c;padding:8px 12px;border-radius:8px;font-weight:700}
.skip:focus{left:8px}
header.top{border-bottom:1px solid var(--line);background:rgba(10,10,18,.9);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{font-family:Poppins,Inter,sans-serif;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--em)}
.topnav a{color:var(--ink3);text-decoration:none;font-size:14px;margin-left:18px}
.topnav a:hover,.topnav a[aria-current]{color:var(--ink)}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
main{padding:48px 0 72px}
h1{color:var(--ink);font-family:Poppins,Inter,sans-serif;font-size:34px;line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
.meta{color:var(--ink3);font-size:14px;margin-bottom:28px}
.lead{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--em);border-radius:12px;padding:18px 20px;margin:0 0 36px;color:var(--ink)}
.lead p{margin:0 0 8px}.lead p:last-child{margin:0}
h2{color:var(--ink);font-size:21px;margin:40px 0 10px;letter-spacing:-.01em}
h3{color:var(--ink);font-size:16.5px;margin:22px 0 6px}
p,ul,ol{margin:0 0 14px}
ul,ol{padding-left:22px}li{margin-bottom:6px}
.note{color:var(--ink3);font-size:14.5px}
table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--ink);font-weight:600}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:28px}
.toc strong{color:var(--ink);display:block;margin-bottom:8px}
.toc ol{margin:0;columns:2;column-gap:28px}
.toc li{break-inside:avoid;font-size:15px}
.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--ink3);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:center}
footer nav a{color:var(--ink3);text-decoration:none;margin-right:16px}footer nav a:hover{color:var(--ink)}
.small{font-size:13.5px;color:var(--ink3)}
.logo{white-space:nowrap}
.topnav{white-space:nowrap}
@media (max-width:640px){h1{font-size:28px}.toc ol{columns:1}.topnav a{margin-left:12px;font-size:13px}.topnav a.login{display:none}header.top .wrap{padding:12px 16px}.logo{font-size:18px}}
@media print{header.top,footer nav{display:none}body{background:#fff;color:#111}h1,h2,h3,.lead{color:#000}.lead,.toc{border-color:#ccc;background:#fff}a{color:#000}}