/* المرحلة 03A: القوائم المطوية */
.nav-section { margin-top: 12px; }
.nav-section-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 11px 13px; min-height: 46px; border: 0; border-radius: 9px;
  background: #1b3a4c; color: #d4e2e9; text-align: right; font-weight: bold; font-size: 12px;
}
.nav-section-toggle:hover, .nav-section-toggle[aria-expanded="true"] { background: #254b59; color: #fff; }
.nav-section-arrow { font-size: 19px; transition: transform .18s; line-height: 1; }
.nav-section-toggle[aria-expanded="true"] .nav-section-arrow { transform: rotate(180deg); }
.nav-section-panel { margin-top: 7px; padding-right: 7px; }
.nav-section-panel[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { .nav-section-arrow { transition: none; } }