/**
 * @file
 * Navigation styling for NBVT Base theme
 * Includes main menu, secondary menu, and breadcrumb navigation
 */

/* Main navigation menu */
.main-navigation {
  background-color: var(--color-gray-100);
  padding: 0 var(--spacing-unit);
}

.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-unit);
}

.main-navigation li {
  margin: 0;
  position: relative;
}

.main-navigation a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--text-color);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--font-size-base);
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease-in-out;
}

.main-navigation a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.main-navigation a:focus {
  outline: 2px solid var(--color-border-focus, var(--color-primary, #1e3a8a));
  outline-offset: 2px;
}

.main-navigation .active-trail > a,
.main-navigation a.is-active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 700;
}

/* Dropdown menus */
.main-navigation .dropdown {
  position: relative;
}

.main-navigation .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white, #ffffff);
  border: 1px solid var(--color-border, #d4d4d8);
  border-radius: var(--gin-border-m, 6px);
  box-shadow: 0 4px 6px var(--color-shadow, rgba(0, 0, 0, 0.1));
  min-width: 200px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease-in-out;
}

.main-navigation .dropdown:hover .dropdown-menu,
.main-navigation .dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation .dropdown-menu ul {
  flex-direction: column;
  gap: 0;
}

.main-navigation .dropdown-menu a {
  padding: var(--gin-spacing-s, 0.5rem) var(--gin-spacing-m, 1rem);
  border-radius: 0;
  border-bottom: 1px solid var(--color-border-light, #e5e7eb);
}

.main-navigation .dropdown-menu a:hover {
  background-color: var(--color-bg-muted, #f3f4f6);
  color: var(--color-primary, #1e3a8a);
}

.main-navigation .dropdown-menu li:last-child a {
  border-bottom: none;
}

/* Secondary navigation */
.secondary-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--gin-spacing-s, 0.5rem);
}

.secondary-navigation a {
  display: block;
  padding: var(--gin-spacing-xs, 0.25rem) var(--gin-spacing-s, 0.5rem);
  color: var(--color-text-light, #545560);
  text-decoration: none;
  font-size: var(--font-size-sm, 0.875rem);
  border-radius: var(--gin-border-s, 3px);
  transition: all 0.2s ease-in-out;
}

.secondary-navigation a:hover {
  background-color: var(--color-bg-muted, #f3f4f6);
  color: var(--color-text, #222330);
  text-decoration: none;
}

.secondary-navigation .active-trail > a,
.secondary-navigation a.is-active {
  background-color: var(--color-secondary, #059669);
  color: var(--color-white, #ffffff);
}

/* Breadcrumb navigation */
.breadcrumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--gin-spacing-xs, 0.25rem);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-breadcrumb-text, var(--color-text-light, #545560));
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--gin-spacing-xs, 0.25rem);
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  color: var(--color-text-muted, #6b7280);
  font-weight: var(--font-weight-normal, 400);
}

.breadcrumb a {
  color: var(--color-link, var(--color-primary, #1e3a8a));
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

.breadcrumb a:hover {
  color: var(--color-link-hover, var(--color-primary-dark, #1e40af));
  text-decoration: underline;
}

.breadcrumb .current {
  color: var(--color-text, #222330);
  font-weight: var(--font-weight-medium, 500);
}

/* Mobile navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border, #d4d4d8);
  border-radius: var(--gin-border-s, 3px);
  padding: var(--gin-spacing-s, 0.5rem);
  color: var(--color-text, #222330);
  cursor: pointer;
  font-size: var(--font-size-base, 1rem);
}

.mobile-menu-toggle:hover {
  background-color: var(--color-bg-muted, #f3f4f6);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-border-focus, var(--color-primary, #1e3a8a));
  outline-offset: 2px;
}

/* Responsive navigation */
@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white, #ffffff);
    border: 1px solid var(--color-border, #d4d4d8);
    border-top: none;
    border-radius: 0 0 var(--gin-border-m, 6px) var(--gin-border-m, 6px);
    box-shadow: 0 4px 6px var(--color-shadow, rgba(0, 0, 0, 0.1));
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease-in-out;
  }
  
  .main-navigation.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .main-navigation ul {
    flex-direction: column;
    gap: 0;
    padding: var(--gin-spacing-m, 1rem);
  }
  
  .main-navigation li {
    width: 100%;
  }
  
  .main-navigation a {
    width: 100%;
    padding: var(--gin-spacing-m, 1rem);
    border-bottom: 1px solid var(--color-border-light, #e5e7eb);
  }
  
  .main-navigation li:last-child a {
    border-bottom: none;
  }
  
  .main-navigation .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--color-bg-alt, #f9fafb);
    margin-top: var(--gin-spacing-s, 0.5rem);
  }
  
  .secondary-navigation {
    margin-top: var(--gin-spacing-m, 1rem);
  }
  
  .secondary-navigation ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--gin-spacing-s, 0.5rem);
  }
}

/* Pagination navigation */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--gin-spacing-s, 0.5rem);
  margin: var(--gin-spacing-xl, 2rem) 0;
  list-style: none;
  padding: 0;
}

.pager li {
  margin: 0;
}

.pager a,
.pager .current {
  display: block;
  padding: var(--gin-spacing-s, 0.5rem) var(--gin-spacing-m, 1rem);
  border: 1px solid var(--color-border, #d4d4d8);
  border-radius: var(--gin-border-s, 3px);
  text-decoration: none;
  font-size: var(--font-size-sm, 0.875rem);
  transition: all 0.2s ease-in-out;
}

.pager a {
  color: var(--color-link, var(--color-primary, #1e3a8a));
  background-color: var(--color-white, #ffffff);
}

.pager a:hover {
  background-color: var(--color-primary, #1e3a8a);
  color: var(--color-white, #ffffff);
  border-color: var(--color-primary, #1e3a8a);
}

.pager .current {
  background-color: var(--color-primary, #1e3a8a);
  color: var(--color-white, #ffffff);
  border-color: var(--color-primary, #1e3a8a);
  font-weight: var(--font-weight-semibold, 600);
}


/* Print styles */
@media print {
  .main-navigation,
  .secondary-navigation,
  .mobile-menu-toggle,
  .pager {
    display: none;
  }
  
  .breadcrumb {
    font-size: 10pt;
    margin-bottom: 1rem;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .main-navigation a,
  .secondary-navigation a,
  .pager a,
  .pager .current {
    border-width: 2px;
  }
  
  .main-navigation a:hover,
  .secondary-navigation a:hover,
  .pager a:hover {
    border-color: #000;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .main-navigation a,
  .secondary-navigation a,
  .pager a,
  .main-navigation .dropdown-menu,
  .main-navigation {
    transition: none;
  }
}