:root{
  --bg:#06080c; --bg2:#0a2233; --cyan:#19beee; --cyan2:#00bfef; --amber:#ffb020;
  --ink:#f3f7fa; --muted:#8ba1ae; --faint:#5b6b76; --line:rgba(255,255,255,.10);
  --card:rgba(255,255,255,.035); --mono:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:
   radial-gradient(120% 80% at 85% 0%, rgba(13,58,82,.5) 0%, rgba(6,8,12,0) 60%),
   var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;
   line-height:1.55;min-height:100vh;padding:5vh 6vw 12vh}
.wrap{max-width:920px;margin:0 auto}
.wbd{font-weight:800;letter-spacing:-.01em;font-size:.95rem}.wbd .w{color:var(--cyan)}
.eyebrow{color:var(--cyan);font-weight:700;letter-spacing:.22em;text-transform:uppercase;font-size:.74rem;margin:2.4vh 0 1vh}
.eyebrow.am{color:var(--amber)}
h1{font-size:clamp(1.8rem,4.6vw,3rem);font-weight:900;line-height:1.05;letter-spacing:-.02em;margin-bottom:1.2vh}
.sub{color:var(--muted);font-size:clamp(1rem,2vw,1.25rem);max-width:60ch;margin-bottom:3vh}
.steps{list-style:none;display:flex;flex-direction:column;gap:1.1vh;margin:2vh 0 3vh}
.steps li{display:flex;gap:1rem;align-items:flex-start;font-size:1.02rem}
.steps .n{flex:none;width:1.7rem;height:1.7rem;border-radius:50%;background:rgba(25,190,238,.16);border:1px solid rgba(25,190,238,.4);color:var(--cyan);font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center}
.steps b{color:var(--ink)} .steps .mut{color:var(--muted)}
.box{position:relative;background:#080d14;border:1px solid rgba(25,190,238,.28);border-radius:14px;overflow:hidden;margin-top:1.5vh}
.box .bh{display:flex;align-items:center;gap:.6rem;padding:.9rem 1.2rem;background:rgba(25,190,238,.08);border-bottom:1px solid rgba(25,190,238,.18);position:sticky;top:0}
.box .bh .lbl{color:var(--cyan);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.72rem}
.copybtn{margin-left:auto;cursor:pointer;border:1px solid rgba(25,190,238,.45);background:rgba(25,190,238,.16);color:var(--ink);font-family:var(--sans);font-weight:700;font-size:.86rem;border-radius:9px;padding:.5rem 1.2rem;transition:.18s}
.copybtn:hover{background:rgba(25,190,238,.3)}
.copybtn.done{background:rgba(120,220,150,.22);border-color:rgba(120,220,150,.55);color:#bdf0c8}
pre{margin:0;padding:1.4rem 1.5rem;font-family:var(--mono);font-size:.92rem;line-height:1.55;color:#cdd9e1;white-space:pre-wrap;max-height:64vh;overflow:auto}
.note{color:var(--faint);font-size:.85rem;margin-top:1.4vh;line-height:1.5}
.links{display:flex;gap:1.2rem;flex-wrap:wrap;margin-top:3vh}
.links a{color:var(--cyan);text-decoration:none;font-weight:700;border:1px solid var(--line);border-radius:999px;padding:.55rem 1.3rem;transition:.18s}
.links a:hover{border-color:var(--cyan);background:rgba(25,190,238,.1)}
.foot{color:var(--faint);font-size:.74rem;margin-top:6vh;border-top:1px solid var(--line);padding-top:2vh}