.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  flex: none;
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: #a9aec8;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.nav a.is-active {
  color: #08080f;
  background: linear-gradient(135deg, #a78bfa, #22d3ee);
  box-shadow:
    0 8px 20px -10px rgba(124, 92, 255, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

/* Precisa vencer as regras inline das páginas (mesma especificidade, mas
   declaradas depois), por isso o seletor com .topbar. */
@media (max-width: 860px) {
  .topbar .top-chip { display: none; }
}

@media (max-width: 700px) {
  .topbar { gap: 10px; }
  .topbar .brand { min-width: 0; }
  .topbar .nav { padding: 4px; }
  .topbar .nav a { padding: 7px 10px; font-size: 0.72rem; }
  .topbar .brand-text strong { font-size: 0.86rem; }
}

@media (max-width: 480px) {
  .topbar .brand-text { display: none; }
}