.brand-header {
  background: #fff;
  border-bottom: 1px solid var(--iq-silver);
}

.brand-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  color: var(--iq-graphite);
  text-decoration: none;
}

.brand-lockup > img {
  width: 190px;
  height: 52px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.brand-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.brand-meta .subtle {
  color: #334155;
  font-weight: 500;
}

.tenant-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.header-auth-btn {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #0f172a;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-auth-btn:hover {
  background: #f8fafc;
  text-decoration: none;
}

.header-logout-form {
  margin: 0;
}

.navbar {
  background-color: var(--nav);
  padding: 6px 0;
}

.navbar.is-hidden {
  display: none;
}

.navbar .container {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding-top: 0;
  padding-bottom: 0;
  flex-wrap: wrap;
}

.nav-links {
  display: grid;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.nav-top-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-top-link,
.nav-top-button {
  border: 1px solid #334155;
  background: rgba(15, 23, 42, 0.42);
  color: var(--navText);
  font-size: 13px;
  font-weight: 600;
  border-radius: 7px;
  padding: 4px 10px;
  line-height: 1.25;
  text-decoration: none;
  cursor: pointer;
}

.nav-top-link:hover,
.nav-top-button:hover {
  background: rgba(255, 255, 255, 0.14);
}

.nav-top-link.is-active-section,
.nav-top-button.is-active-section {
  border-color: var(--iq-teal);
  background: rgba(20, 184, 166, 0.2);
}

.nav-sub-row {
  display: none;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 2px;
  border-top: 1px solid #334155;
}

.nav-sub-row.has-active {
  display: flex;
}

.nav-sub-links {
  display: none;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-sub-links.is-active-subnav {
  display: flex;
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  border: 1px solid #334155;
  background: #1e293b;
  color: #f9fafb;
  border-radius: 5px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}

.navbar a {
  color: var(--navText);
  text-decoration: none;
  font-weight: 500;
  opacity: 0.95;
}

.nav-link {
  padding: 3px 8px;
  border-radius: 6px;
  transition: background 0.14s ease, opacity 0.14s ease;
  border: 1px solid #334155;
  background: #1e293b;
  font-size: 12px;
}

.navbar a:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.12);
  opacity: 1;
}

.navbar a.is-active {
  text-decoration: none;
  opacity: 1;
  background: rgba(20, 184, 166, 0.22);
  outline: 1px solid rgba(20, 184, 166, 0.75);
}

.nav-breadcrumb {
  background: #111827;
  border-top: 1px solid #1f2937;
  border-bottom: 1px solid #1f2937;
}

.nav-breadcrumb .container {
  padding-top: 8px;
  padding-bottom: 8px;
}

.breadcrumb-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  color: #cbd5e1;
  font-size: 13px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: #64748b;
  margin-right: 2px;
}

.breadcrumb-link {
  color: #e2e8f0;
  text-decoration: none;
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-current {
  color: #ffffff;
  font-weight: 600;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    width: 100%;
    display: none;
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 8px;
    margin-top: 8px;
  }

  .nav-links.open {
    display: grid;
  }

  .nav-top-row {
    width: 100%;
    display: grid;
    gap: 6px;
  }

  .nav-top-link,
  .nav-top-button {
    width: 100%;
    text-align: left;
  }

  .nav-sub-row {
    width: 100%;
    border-top: 0;
    padding-top: 0;
  }

  .nav-sub-links {
    width: 100%;
    display: grid;
    gap: 8px;
  }

  .nav-link {
    padding: 8px 10px;
  }

  .nav-meta {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .brand-meta {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .nav-breadcrumb .container {
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .breadcrumb-list {
    font-size: 12px;
    gap: 5px;
  }
}