body{font-family:system-ui;background:#f1f5f9;padding:20px}
.btn{display:block;padding:14px;background:#0f9d58;color:#fff;border-radius:10px;text-align:center}
.wallet{background:linear-gradient(135deg,#0f9d58,#2563eb);color:#fff;padding:20px;border-radius:16px}
.small{font-size:14px}