:root{--brand:#7c3aed;--brand-2:#4f46e5;--ink:#1a1327;--muted:#6b6480;--line:#e7e3f0;--surface:#faf9fd;--ok:#15803d;--ok-bg:#e8f6ee}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;color:var(--ink);background:linear-gradient(160deg,#f5f3fc,#fff 55%);min-height:100vh}.wrap{max-width:720px;margin:0 auto;padding:48px 24px 80px}.hero{text-align:center;margin-bottom:36px}.hero .badge{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:700;background:#efeafb;padding:5px 12px;border-radius:999px}.hero h1{font-size:32px;margin:16px 0 8px;letter-spacing:-.02em}.hero p{color:var(--muted);font-size:16px;margin:0}.steps{display:flex;flex-direction:column;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:0 1px 2px rgba(26,19,39,.04);transition:opacity .2s}.card.dim{opacity:.5}.card .step-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.step-num{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}.step-num.done{background:var(--ok)}.step-title{font-size:17px;font-weight:700}.step-sub{color:var(--muted);font-size:13.5px;margin:-6px 0 14px 40px}.addr{font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;word-break:break-all;margin:4px 0}.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--ok);background:var(--ok-bg);padding:4px 11px;border-radius:999px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;cursor:pointer;font-weight:650;font-size:15px;padding:13px 20px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}.btn:disabled{opacity:.5;cursor:not-allowed}.result{margin-top:14px;background:#0f0a1e;border-radius:12px;padding:16px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;white-space:pre-wrap;color:#cbb7ff}.err{margin-top:12px;color:#b4232f;font-size:13.5px}.foot{margin-top:32px;text-align:center;color:var(--muted);font-size:12.5px;line-height:1.7}.foot code{background:var(--surface);padding:2px 6px;border-radius:5px;font-size:11.5px}.warnbar{background:#fbf1e0;border:1px solid #f0d9a8;color:#8a5a06;border-radius:12px;padding:12px 16px;font-size:13px;margin-bottom:24px}