Clarify Zeus NWC wallet setup

Co-authored-by: arena-agent <297053741+arena-agent@users.noreply.github.com>

app/sovran_systemsos_web/static/css/modals.css

@@ -1035,6 +1035,74 @@ button.btn-reboot:hover:not(:disabled) {
   background: #1c2a24;
 }
 
+/* ── NWC Connect Guide (shown after wallet creation) ────────────── */
+
+.nwc-connect-guide {
+  margin-top: 16px;
+  padding: 16px;
+  border: 1px solid var(--border-color);
+  border-radius: 12px;
+  background: rgba(109, 191, 139, 0.04);
+}
+
+.nwc-connect-guide-title {
+  font-size: 1rem;
+  font-weight: 700;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+}
+
+.nwc-connect-guide-intro {
+  margin: 0 0 14px;
+  font-size: 0.85rem;
+  line-height: 1.55;
+  color: var(--text-secondary);
+}
+
+.nwc-connect-steps {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+  margin-bottom: 14px;
+}
+
+.nwc-connect-step {
+  display: flex;
+  gap: 10px;
+  align-items: flex-start;
+  font-size: 0.86rem;
+  line-height: 1.5;
+}
+
+.nwc-step-num {
+  background: var(--accent-color);
+  color: #0A1A10;
+  width: 22px;
+  height: 22px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-weight: 700;
+  font-size: 0.78rem;
+  flex-shrink: 0;
+  margin-top: 2px;
+}
+
+.nwc-connect-note {
+  background: rgba(245, 158, 11, 0.08);
+  border-left: 3px solid #f59e0b;
+  padding: 10px 12px;
+  border-radius: 0 8px 8px 0;
+  font-size: 0.8rem;
+  line-height: 1.5;
+  color: var(--text-secondary);
+}
+
+.nwc-connect-note strong {
+  color: #fbbf24;
+}
+
 /* ── Narrow screens ─────────────────────────────────────────────── */
 
 @media (max-width: 720px) {