/**
 * Navigation V2 - Modern Navigation Component
 * Clean, accessible navigation with BEM methodology
 * Matches sidebar's black/white/grey aesthetic with hard edges
 */

/* ===================================================================
   CSS CUSTOM PROPERTIES
   Note: Variables are now loaded from brand-variables.css
   =================================================================== */

/* ===================================================================
   GLOBAL NAVIGATION CONTAINER
   =================================================================== */

.nav-v2 {
  position: sticky;
  top: 60px; /* Stack below header-top (40px height) */
  z-index: var(--z-nav);
  background: var(--bg-primary);
  width: 100%;
}

/* Prevent body scroll when mobile menu is open */
.nav-v2__mobile-open {
  overflow: hidden;
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===================================================================
   MAIN NAVIGATION BAR
   =================================================================== */

.nav-v2__main {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  position: relative;
  z-index: var(--z-nav);
}

.nav-v2__container {
  max-width: var(--container-nav);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  min-height: var(--touch-target-preferred);
}

/* ===================================================================
   MENU SECTION (LEFT SIDE)
   =================================================================== */

.nav-v2__menu-section {
  display: flex;
  align-items: center;
  flex: 0;
}

.nav-v2__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-v2__item {
  position: relative;
  margin: 0;
}

.nav-v2__item:not(:last-child) {
  border-right: 1px solid var(--border-primary);
}

/* ===================================================================
   NAVIGATION LINKS
   =================================================================== */

.nav-v2__link {
  display: flex;
  align-items: center;
  padding: 0 10px;
  color: var(--text-primary);
  text-decoration: none !important; /* Override the Bootstrap inherented style */
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  border: 0;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  min-height: var(--touch-target-preferred);
  box-sizing: border-box;
}

/* Link text wrapper - this is where we apply underlines */
.nav-v2__link-text {
  text-decoration: none;
  transition: text-decoration var(--transition-fast);
}

.nav-v2__link:hover,
.nav-v2__link:focus {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  outline: none;
}

/* Apply underline only to the text span on hover */
.nav-v2__link:hover .nav-v2__link-text {
  text-decoration: underline;
}

.nav-v2__link:focus {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.nav-v2__link--active {
  background-color: var(--bg-active);
  color: var(--color-accent);
}

/* Dropdown indicators */
.nav-v2__dropdown-icon {
  margin-left: var(--spacing-xs);
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.nav-v2__item--open .nav-v2__dropdown-icon {
  transform: rotate(180deg);
}

/* ===================================================================
   DROPDOWN MENUS
   =================================================================== */

.nav-v2__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-top: none;
  min-width: 400px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 10;
  box-shadow: var(--shadow-dropdown);
}

.nav-v2__item--open .nav-v2__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-v2__dropdown-container {
  padding: 0;
}

.nav-v2__dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  max-width: 100%;
}

.nav-v2__dropdown-column {
  display: flex;
  flex-direction: column;
}

.nav-v2__dropdown-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: all var(--transition-fast);
  border: 0;
  background: transparent;
  min-height: 36px;
  box-sizing: border-box;
}

/* Dropdown link text wrapper - this is where we apply underlines */
.nav-v2__dropdown-link-text {
  text-decoration: none;
  transition: text-decoration var(--transition-fast);
}

.nav-v2__dropdown-link:hover,
.nav-v2__dropdown-link:focus {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  outline: none;
  text-decoration: none !important; /* Override the Bootstrap set style */
}

/* Apply underline only to the text span on hover for dropdown links */
.nav-v2__dropdown-link:hover .nav-v2__dropdown-link-text {
  text-decoration: underline;
}

.nav-v2__dropdown-link:focus {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.nav-v2__dropdown-bullet {
  margin-right: var(--spacing-xs);
  font-size: 10px;
  color: var(--text-muted);
}

/* ===================================================================
   TOOLS SECTION (RIGHT SIDE)
   =================================================================== */

.nav-v2__tools-section {
  display: flex;
  flex: 1;
  align-items: center;
  gap: var(--spacing-md);
}

/* ===================================================================
   INLINE SEARCH
   =================================================================== */

.nav-v2__search {
  position: relative;
  display: flex;
  width: 100%;
}

.nav-v2__search-form {
  display: flex;
  align-items: center;
  margin: 0;
  width: 100%;
}

.nav-v2__search-input-wrapper {
  position: relative;
  display: flex;
  width: 100%;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  transition: border-color var(--transition-fast);
  height: 48px;
}

.nav-v2__search-input-wrapper:focus-within {
  border-color: var(--color-accent);
}

.nav-v2__search-input {
  background: var(--bg-secondary) !important; /* Override Bootstrap defaults */
  border: 0 !important;
  width: 100% !important;
  color: var(--text-primary) !important;
  font-size: var(--font-size-base);
  padding: var(--spacing-xs) var(--spacing-md);
  width: 200px;
  outline: none !important;
  font-family: inherit;
  box-shadow: none !important; /* Remove Bootstrap focus shadow */
  margin-bottom: 0 !important; /* Remove Bootstrap default margin */
  height: 100%;
  line-height: 1.42857143;
}

.nav-v2__search-input::placeholder {
  color: var(--text-secondary) !important; /* Override Bootstrap placeholder color */
}

/* Additional selector to override Bootstrap's .form-control styles */
.nav-v2__search .nav-v2__search-input.form-control {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border: 0 !important;
  box-shadow: none !important;
}

.nav-v2__search-button {
  background: var(--bg-tertiary);
  border: 0;
  border-left: 1px solid var(--border-primary);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-md);
  transition: all var(--transition-fast);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-v2__search-button:hover,
.nav-v2__search-button:focus {
  background: var(--bg-hover);
  color: var(--color-accent);
  outline: none;
}

.nav-v2__search-button:focus {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

/* Mobile-specific styles removed - see mobile-menu.css for mobile navigation */

/* ===================================================================
   CSS-FIRST HOVER FUNCTIONALITY
   =================================================================== */

.nav-v2__item--dropdown:hover .nav-v2__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-v2__item--dropdown:hover .nav-v2__dropdown-icon {
  transform: rotate(180deg);
}

/* Add slight delay to prevent accidental closure */
.nav-v2__dropdown {
  transition-delay: 0ms;
}

.nav-v2__item--dropdown:hover .nav-v2__dropdown {
  transition-delay: 0ms;
}

.nav-v2__item--dropdown:not(:hover) .nav-v2__dropdown {
  transition-delay: 100ms;
}

/* ===================================================================
   ACCESSIBILITY IMPROVEMENTS
   =================================================================== */

/* Focus support for accessibility */
.nav-v2__link:focus,
.nav-v2__dropdown-link:focus,
.nav-v2__search-button:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

/* ===================================================================
   PRINT STYLES
   =================================================================== */

@media print {
  .nav-v2 {
    display: none;
  }
}