.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.5rem;
}

.site-nav {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-nav__brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.site-nav__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.site-nav__links a:hover {
  color: var(--primary);
}

.site-nav__logout {
  width: auto;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }
}