/* Barra de navegação compartilhada entre todos os exemplos */
.demo-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6, 8, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 16px;
}

.demo-nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1100px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.demo-nav a {
  display: inline-block;
  padding: 8px 15px;
  border-radius: 999px;
  color: #dbe1ff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.demo-nav a:hover { background: rgba(108, 140, 255, 0.16); color: #fff; }

.demo-nav a.active {
  background: linear-gradient(90deg, #6c8cff, #b06cff);
  color: #fff;
}

@media (max-width: 700px) {
  .demo-nav a { font-size: 0.72rem; padding: 6px 10px; }
}