/* Navigation Component Styles */

/* Main Navigation */
.main-nav {
  position: relative;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--nav-link-padding);
  color: var(--text-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--gray-50);
  text-decoration: none;
  transform: translateY(-1px);
}

.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--radius-full);
  animation: slideIn var(--duration-300) ease-out;
}

@keyframes slideIn {
  from {
    width: 0;
    opacity: 0;
  }
  to {
    width: 24px;
    opacity: 1;
  }
}

/* Navigation Icons */
.nav-icon {
  width: 16px;
  height: 16px;
  margin-right: var(--space-2);
  transition: transform var(--transition-fast);
}

.nav-link:hover .nav-icon {
  transform: scale(1.1);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: var(--nav-dropdown-width);
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all var(--transition-base);
  z-index: var(--z-index-dropdown);
}

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

.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 20px;
  width: 12px;
  height: 12px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-right: none;
  transform: rotate(45deg);
}

.nav-dropdown-header {
  padding: var(--space-2) var(--space-3);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-3);
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

.nav-dropdown-item:hover {
  background-color: var(--gray-50);
  color: var(--primary-color);
  text-decoration: none;
  transform: translateX(4px);
}

.nav-dropdown-item:last-child {
  margin-bottom: 0;
}

.nav-dropdown-icon {
  width: 14px;
  height: 14px;
  margin-right: var(--space-2);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-dropdown-item:hover .nav-dropdown-icon {
  color: var(--primary-color);
}

.nav-dropdown-description {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* Mega Menu */
.nav-mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  max-width: 90vw;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px) scale(0.95);
  transition: all var(--transition-base);
  z-index: var(--z-index-dropdown);
}

.nav-item:hover .nav-mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.mega-menu-section {
  display: flex;
  flex-direction: column;
}

.mega-menu-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  color: var(--text-color);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--primary-color);
}

.mega-menu-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mega-menu-link {
  display: flex;
  align-items: center;
  padding: var(--space-2);
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.mega-menu-link:hover {
  background-color: var(--gray-50);
  color: var(--primary-color);
  text-decoration: none;
  transform: translateX(4px);
}

/* Breadcrumb Navigation */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 var(--space-2);
  color: var(--gray-400);
}

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

/* Pagination Navigation */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-8) 0;
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  background-color: var(--gray-50);
  border-color: var(--primary-color);
  color: var(--primary-color);
  text-decoration: none;
  transform: translateY(-1px);
}

.pagination-item.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

.pagination-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-prev,
.pagination-next {
  padding: 0 var(--space-4);
  width: auto;
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-6);
}

.tab-item {
  flex: 1;
}

.tab-link {
  display: block;
  padding: var(--space-4) var(--space-6);
  color: var(--text-muted);
  text-decoration: none;
  text-align: center;
  font-weight: var(--font-weight-medium);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.tab-link:hover {
  color: var(--primary-color);
  background-color: var(--gray-50);
  text-decoration: none;
}

.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background-color: var(--white);
}

/* Sidebar Navigation */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-nav-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.sidebar-nav-item:hover {
  background-color: var(--gray-50);
  color: var(--primary-color);
  text-decoration: none;
  transform: translateX(4px);
}

.sidebar-nav-item.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Mobile Navigation Adjustments */
@media (max-width: 1023px) {
  .nav-dropdown,
  .nav-mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: var(--space-4) 0;
    background-color: var(--gray-50);
    margin-top: var(--space-2);
  }
  
  .nav-dropdown::before {
    display: none;
  }
  
  .mega-menu-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* Responsive Navigation */
@media (max-width: 767px) {
  .pagination {
    gap: var(--space-1);
  }
  
  .pagination-item {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
  }
  
  .tab-nav {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .tab-nav::-webkit-scrollbar {
    display: none;
  }
  
  .tab-item {
    flex: none;
    min-width: 120px;
  }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  .nav-dropdown,
  .nav-mega-menu {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
  }
  
  .nav-dropdown::before {
    background-color: var(--gray-800);
    border-color: var(--gray-700);
  }
  
  .pagination-item {
    border-color: var(--gray-700);
    background-color: var(--gray-800);
  }
  
  .tab-nav {
    border-bottom-color: var(--gray-700);
  }
}

/* Print Styles */
@media print {
  .nav-dropdown,
  .nav-mega-menu,
  .pagination {
    display: none;
  }
  
  .breadcrumb {
    font-size: 10pt;
  }
}