.msj-admin-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 14px 0;
  margin: 12px 0 22px;
}
.msj-admin-nav button {
  flex: 0 0 auto;
  padding: 12px 17px;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,.25);
  background: rgba(148,163,184,.08);
  color: inherit;
  cursor: pointer;
  font: inherit;
}
.msj-admin-nav button.msj-nav-active {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}
.msj-section-placeholder {
  padding: 30px;
  border: 1px solid rgba(148,163,184,.25);
  border-radius: 16px;
  min-height: 180px;
}
.msj-section-placeholder h2 {
  margin: 0 0 12px;
}
@media (max-width: 600px) {
  .msj-admin-nav {
    gap: 7px;
    margin: 8px 0 16px;
  }
  .msj-admin-nav button {
    padding: 10px 13px;
    font-size: 13px;
  }
  .msj-section-placeholder {
    padding: 20px;
  }
}