:root{--bg:#0b1220;--panel:#111c33;--panel2:#16223f;--text:#e8eefc;--muted:#a7b3cc;--accent:#38bdf8;--accent2:#22c55e;--danger:#f87171;--border:#24365c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}a{color:var(--accent)}.topbar{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border);background:#0d1628}.brand{color:var(--text);font-weight:800;text-decoration:none;font-size:1.1rem}nav{display:flex;flex-wrap:wrap;gap:1rem}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.container{padding:2rem 1.25rem 3rem}.container,.footer{max-width:900px;margin:0 auto}.footer{padding:1.5rem 1.25rem 2.5rem;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}h1{font-size:2.2rem;line-height:1.2;margin:.5rem 0 1rem}h2{margin-top:2rem}p.lead{color:var(--muted);font-size:1.1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:1.5rem;margin:1.25rem 0}.steps{display:grid;grid-gap:1rem;gap:1rem}@media (min-width:700px){.steps{grid-template-columns:1fr 1fr}}.step{background:var(--panel2);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.step strong{display:block;font-size:1.05rem;margin-bottom:.25rem}form{display:grid;grid-gap:.9rem;gap:.9rem;max-width:560px}label{font-weight:600}input{width:100%;padding:.8rem;border-radius:10px;border:1px solid var(--border);background:#0b1528;color:var(--text)}button,input{font-size:1rem}button{padding:.85rem 1.4rem;border:0;border-radius:10px;background:var(--accent);color:#04121f;font-weight:800;cursor:pointer}button:disabled{opacity:.6;cursor:wait}code,pre{background:#0b1528;border:1px solid var(--border);border-radius:8px}code{padding:.15rem .4rem}pre{padding:1rem;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.ok{color:var(--accent2)}.err,.ok{font-weight:700}.err{color:var(--danger)}.muted{color:var(--muted)}ul{padding-left:1.25rem}