/**
 * Navigation Components
 * Dropdown menus, navigation bars, and menu components
 * 
 * @author MrGreen Development Team
 * @version 1.0.0
 * @since 2025-01-08
 */

/* ===== DROPDOWN MENU ===== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.dropdown__toggle:hover {
  background-color: var(--gray-100);
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 12rem;
  background-color: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: var(--transition-fast);
}

.dropdown__menu--show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__menu--left {
  right: auto;
  left: 0;
}

.dropdown__menu--center {
  right: 50%;
  transform: translateX(50%) translateY(-0.5rem);
}

.dropdown__menu--center.dropdown__menu--show {
  transform: translateX(50%) translateY(0);
}

.dropdown__item {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
  border-bottom: var(--border-width) solid var(--border-color-light);
}

.dropdown__item:last-child {
  border-bottom: none;
}

.dropdown__item:hover {
  background-color: var(--gray-100);
  color: var(--primary-color);
  text-decoration: none;
}

.dropdown__item--active {
  background-color: var(--primary-color);
  color: var(--white);
}

.dropdown__item--active:hover {
  background-color: var(--primary-hover);
  color: var(--white);
}

.dropdown__divider {
  height: var(--border-width);
  background-color: var(--border-color);
  margin: var(--spacing-xs) 0;
}

.dropdown__header {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: var(--border-width) solid var(--border-color-light);
}

/* ===== USER DROPDOWN MENU ===== */
.user-dropdown {
  position: relative;
}

.user-dropdown__menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  min-width: 16rem;
  background-color: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: var(--transition-fast);
}

.user-dropdown__menu--show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown__header {
  padding: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-dropdown__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--border-radius-full);
  border: 2px solid var(--border-color);
}

.user-dropdown__info {
  flex: 1;
  min-width: 0;
}

.user-dropdown__name {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.user-dropdown__email {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin: 0;
}

.user-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
  border-bottom: var(--border-width) solid var(--border-color-light);
}

.user-dropdown__item:last-child {
  border-bottom: none;
}

.user-dropdown__item:hover {
  background-color: var(--gray-100);
  color: var(--primary-color);
  text-decoration: none;
}

.user-dropdown__item-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-dropdown__item-text {
  flex: 1;
  font-size: var(--font-size-sm);
}

/* ===== ACCESSIBILITY SUBMENU ===== */
.accessibility-submenu {
  position: absolute;
  top: 0;
  left: 100%;
  width: 18rem;
  background-color: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-0.5rem);
  transition: var(--transition-fast);
}

.accessibility-submenu--show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.accessibility-submenu__header {
  padding: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: var(--gray-50);
}

.accessibility-submenu__back-button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.accessibility-submenu__back-button:hover {
  background-color: var(--gray-200);
  color: var(--primary-color);
}

.accessibility-submenu__title {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.accessibility-submenu__content {
  padding: var(--spacing-md);
}

.accessibility-submenu__section {
  margin-bottom: var(--spacing-lg);
}

.accessibility-submenu__section:last-child {
  margin-bottom: 0;
}

.accessibility-submenu__section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.accessibility-submenu__section-header:hover {
  background-color: var(--gray-100);
}

.accessibility-submenu__section-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.accessibility-submenu__section-title {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.accessibility-submenu__section-content {
  padding-left: 2rem;
}

.accessibility-submenu__option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

.accessibility-submenu__option:hover {
  background-color: var(--gray-100);
}

.accessibility-submenu__radio {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  position: relative;
  transition: var(--transition-fast);
}

.accessibility-submenu__radio--checked {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
}

.accessibility-submenu__radio--checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0.25rem;
  height: 0.25rem;
  background-color: var(--white);
  border-radius: 50%;
}

.accessibility-submenu__option-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .dropdown__menu {
    right: auto;
    left: 0;
    min-width: 10rem;
  }
  
  .user-dropdown__menu {
    right: auto;
    left: 0;
    min-width: 14rem;
  }
  
  .accessibility-submenu {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 20rem;
  }
  
  .accessibility-submenu--show {
    transform: translate(-50%, -50%) scale(1);
  }
}

@media (max-width: 640px) {
  .user-dropdown__menu {
    min-width: 12rem;
  }
  
  .accessibility-submenu {
    width: 95vw;
    max-width: 18rem;
  }
}