.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 16px;
  background-color: #0b0e14;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 999;
  border-bottom: 1px solid #1e2329;
}

.brand-name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.brand-highlight {
  color: #f0b90b;
}

.topbar-nav {
  display: flex;
  gap: 24px;
}

.nav-link {
  color: #848e9c;
  text-decoration: none;
  font-size: 14px;
  height: 50px;
  display: flex;
  align-items: center;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #f0b90b;
}

.env-tag {
  font-size: 12px;
  color: #0ecb81;
  background: rgba(14, 203, 129, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
}