/* Navigation Styles for Saratoga History Museum */

.navigation {
  background-color: var(--secondary-color);
  border-top: 3px solid var(--accent-color);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navigation__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.navigation__item {
  position: relative;
}

.navigation__link {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.navigation__link:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.navigation__link--active {
  background-color: var(--accent-color);
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* Dropdown Styles */
.navigation__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  width: 100%;
  text-align: left;
}

.navigation__dropdown-toggle i {
  transition: transform var(--transition-fast);
  font-size: var(--text-sm);
}

.navigation__item--has-dropdown:hover .navigation__dropdown-toggle i,
.navigation__dropdown-toggle[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.navigation__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  max-height: 400px;
  overflow-y: auto;
  background-color: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  list-style: none;
  margin: 0;
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
}

/* Scrollbar styling for dropdown */
.navigation__dropdown::-webkit-scrollbar {
  width: 8px;
}

.navigation__dropdown::-webkit-scrollbar-track {
  background: var(--light-gray);
  border-radius: 0 0 var(--radius-md) 0;
}

.navigation__dropdown::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--radius-sm);
}

.navigation__dropdown::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

.navigation__item--has-dropdown:hover .navigation__dropdown,
.navigation__dropdown--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-arrow {
  font-size: var(--text-xs);
  margin-left: var(--spacing-xs);
  transition: transform var(--transition-fast);
}

.navigation__dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.navigation__dropdown-item {
  margin: 0;
}

.navigation__dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-dark);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.navigation__dropdown-link:hover {
  background-color: var(--light-gray);
  color: var(--primary-color);
  border-left-color: var(--accent-color);
  padding-left: calc(var(--spacing-lg) - 3px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .navigation {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--primary-color);
    transition: left var(--transition-normal);
    overflow-y: auto;
    z-index: var(--z-modal);
    box-shadow: var(--shadow-xl);
  }
  
  .navigation--open {
    left: 0;
  }
  
  .navigation__menu {
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-2xl) 0;
    gap: 0;
  }
  
  .navigation__item {
    width: 100%;
  }
  
  .navigation__link {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-left: none;
    border-right: none;
    text-align: left;
  }
  
  .navigation__dropdown {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    transform: none;
    box-shadow: none;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
  }
  
  .navigation__dropdown--open {
    opacity: 1;
    visibility: visible;
    max-height: 1000px;
  }
  
  .navigation__dropdown-link {
    padding: var(--spacing-sm) var(--spacing-xl);
    color: var(--white);
    border-left: none;
    font-size: var(--text-sm);
  }
  
  .navigation__dropdown-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    padding-left: calc(var(--spacing-xl) + var(--spacing-sm));
  }
  
  .header__menu-toggle {
    display: flex;
  }
}

/* Tablet Navigation */
@media (max-width: 1024px) and (min-width: 769px) {
  .navigation__link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
  }
  
  .navigation__dropdown {
    min-width: 200px;
  }
}

/* Focus Styles for Accessibility */
.navigation__link:focus,
.navigation__dropdown-toggle:focus,
.navigation__dropdown-link:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: -2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .navigation__link {
    border: 1px solid transparent;
  }
  
  .navigation__link:hover,
  .navigation__link--active {
    border-color: var(--white);
  }
  
  .navigation__dropdown {
    border: 2px solid var(--primary-color);
  }
}