/* Menú desplegable «Menú» — sin panel lateral; funciona con <details> aunque falle el JS */

nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  padding: 0 2rem;
  background: rgba(240, 243, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border, rgba(0, 21, 72, 0.1));
}

.nav-logo img {
  height: 44px;
  width: auto;
  max-width: min(160px, 42vw);
  object-fit: contain;
}

.site-nav-dropdown {
  position: relative;
  margin-left: auto;
  flex-shrink: 0;
}

.site-nav-dropdown > summary.site-nav-menu-btn {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy, #001548);
  background: #fff;
  border: 1px solid var(--border-strong, rgba(4, 129, 253, 0.35));
  border-radius: 100px;
  padding: 10px 20px;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.site-nav-dropdown > summary.site-nav-menu-btn::-webkit-details-marker {
  display: none;
}

.site-nav-dropdown > summary.site-nav-menu-btn::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform 0.2s ease;
}

.site-nav-dropdown[open] > summary.site-nav-menu-btn::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.site-nav-dropdown:not([open]) #site-nav-links {
  display: none !important;
}

#site-nav-links {
  position: absolute !important;
  top: calc(100% + 10px) !important;
  right: 0 !important;
  left: auto !important;
  bottom: auto !important;
  width: min(360px, calc(100vw - 2rem)) !important;
  max-height: min(70vh, 520px) !important;
  margin: 0 !important;
  padding: 0.35rem 0 0.75rem !important;
  background: #fff !important;
  border: 1px solid var(--border, rgba(0, 21, 72, 0.1));
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 21, 72, 0.14);
  z-index: 250 !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  list-style: none !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 0 !important;
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
}

#site-nav-links > li {
  width: 100% !important;
  border-bottom: 1px solid var(--border, rgba(0, 21, 72, 0.08));
}

#site-nav-links > li:last-child {
  border-bottom: none;
}

#site-nav-links > li > a {
  display: block !important;
  padding: 14px 1.25rem !important;
  font-size: 14px !important;
  font-weight: 500;
  color: var(--navy, #001548);
  text-decoration: none;
  white-space: normal !important;
}

#site-nav-links > li > a:hover {
  background: rgba(4, 129, 253, 0.06);
}

.site-nav-menu-list a.active,
.nav-submenu a.active {
  color: var(--blue-deep, #225AB8);
  font-weight: 600;
}

.nav-repo-dropdown {
  display: block;
}

.nav-repo-dropdown > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 1.25rem;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted, #5B6478);
  font-family: inherit;
}

.nav-repo-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-repo-dropdown > summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.nav-repo-dropdown[open] > summary {
  color: var(--navy, #001548);
}

.nav-repo-dropdown[open] > summary::after {
  transform: rotate(-135deg);
}

#site-nav-links .nav-submenu {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  background: var(--bg, #f0f3f9);
}

.nav-repo-dropdown:not([open]) .nav-submenu {
  display: none;
}

#site-nav-links .nav-submenu a {
  display: block;
  font-size: 13px;
  padding: 11px 1.25rem 11px 1.75rem;
  color: var(--muted, #5B6478);
  text-decoration: none;
}

#site-nav-links .nav-submenu a:hover {
  color: var(--navy, #001548);
  background: rgba(4, 129, 253, 0.05);
}

@media (max-width: 768px) {
  nav.site-nav {
    padding: 0 1.25rem;
  }
}