:root{
  --bg:#0b1220; --surface:#0f172a; --muted:#94a3b8; --text:#e5e7eb;
  --border:rgba(148,163,184,.18); --brand:#50AF95;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
}
.wrap{max-width:720px;margin:0 auto;padding:28px 16px 40px}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:14px;
  padding:22px;
  box-shadow:var(--shadow)
}
.head{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:10px}
.logo{width:56px;height:56px;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(0,0,0,.25))}
.brand{font-weight:800;letter-spacing:.2px}
.tagline{color:var(--muted);text-align:center;max-width:560px;font-size:14px;line-height:1.5}
.field{display:grid;gap:6px;margin-top:14px}
label{font-size:13px;color:var(--muted)}
input{
  background:#0b1220;color:var(--text);
  border:1px solid var(--border);border-radius:10px;
  padding:12px;width:100%
}
input[readonly]{opacity:.8}
.row{display:grid;gap:14px}
.result{
  margin-top:16px;background:#0b1220;border:1px solid var(--border);
  border-radius:12px;padding:16px;display:flex;align-items:center;
  justify-content:space-between;gap:10px
}
.result .title{color:var(--muted);font-size:14px}
.price{font-size:24px;font-weight:900}
.price strong{color:#7cf0d7}
.copy{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:999px;
  border:1px solid var(--border);background:#111827;cursor:pointer
}
.actions{display:flex;justify-content:flex-end;margin-top:12px}
.btn{
  padding:10px 14px;border-radius:10px;border:1px solid var(--border);
  background:transparent;color:var(--text);cursor:pointer
}
.btn.primary{
  background:linear-gradient(135deg,var(--brand),#39c0a3);color:#06251c;
  border-color:transparent;font-weight:800
}
.muted{color:var(--muted)}
.badge-live{
  display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;
  border:1px solid var(--border);font-size:12px;color:#9ef6e0;
  background:rgba(57,192,163,.12)
}
.btn.active{
  background:linear-gradient(135deg,var(--brand),#39c0a3);
  color:#06251c;
  border-color:transparent;
  font-weight:800
}