:root{--bg: #0e0e12;--surface: #16161b;--ink: #ececee;--muted: #9a9aa6;--line: #26262d;--line-strong: #34343c;--ton: #0098ea;--sol: #9945ff;--sol2: #14f195;--grad: linear-gradient(90deg, var(--ton) 0%, var(--sol) 62%, var(--sol2) 100%)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh}#app{max-width:480px;margin:0 auto;padding:0 16px 32px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.brand{font-weight:800;font-size:18px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.badge{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-strong);border-radius:999px;padding:3px 10px}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:14px}.card h1{font-size:20px;margin:0 0 8px}.card h2{font-size:16px;margin:0 0 8px}.muted{color:var(--muted);line-height:1.55;font-size:14px}.muted.small{font-size:12.5px}code{background:#1a1a21;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:12.5px}button{cursor:pointer;border:none;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14.5px;color:#fff;background:var(--grad);margin-top:10px}button:disabled{opacity:.4;cursor:not-allowed}input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line-strong);background:#1a1a21;color:var(--ink);font-size:13px;margin-top:8px}#dev-address-set{background:transparent;border:1px solid var(--line-strong);color:var(--ink)}.result{margin-top:12px;padding:10px 12px;background:#1a1a21;border:1px solid var(--line);border-radius:10px;font-size:12px;white-space:pre-wrap;word-break:break-all;min-height:1em}footer{text-align:center;padding-top:8px}