.nav {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  pointer-events: none;
}

.nav::before {
  display: none;
}

.portal-header-island {
  width: fit-content;
  max-width: max-content;
  min-height: 46px;
  padding: 8px 12px;
  flex: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(17, 19, 25, 0.52);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.24), inset 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  pointer-events: auto;
}

.portal-header-left {
  gap: 12px;
}

.portal-header-right {
  gap: 8px;
}

.portal-header-divider {
  display: block;
  width: 1px;
  height: 16px;
  flex: none;
  background: rgba(255, 255, 255, 0.14);
}

.admin-badge,
.ghost {
  display: inline-flex;
  height: 30px;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.admin-badge {
  padding: 0 10px;
}

.ghost {
  padding: 0 13px;
}

@media (max-width: 640px) {
  .nav {
    top: 10px;
    left: 10px;
    right: 10px;
  }

  .portal-header-island {
    min-height: 42px;
    padding: 6px 9px;
    border-radius: 14px;
  }

  .portal-header-divider,
  .identity {
    display: none;
  }

  .brand {
    font-size: 11px;
    letter-spacing: 0.12em;
  }

  .portal-header-right {
    gap: 6px;
  }
}