.navbar {
  background: rgba(255,255,255,.9) !important;
  backdrop-filter: blur(12px);
  border-bottom: var(--border);
}
.navbar-brand { color: var(--color-text); font-weight: 700; }
.nav-link { color: var(--color-text) !important; border-radius: var(--radius-md); }
.nav-link:hover { color: var(--color-primary-600) !important; background: #ffecb3; }
.theme-toggle { border: 1px solid #BDBDBD; }