/* ========================================
   TREE ACTIONS - Action Buttons & Dropdowns
   ======================================== */

/* Tree Item Actions Container */
.c-tree__actions {
  display: flex;
  align-items: center;
  gap: var(--ds-space-xs);
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--ds-duration-fast) var(--ds-ease-out);
  flex-shrink: 0;
}

/* Show actions on hover, focus, or active state */
.c-tree__link:hover .c-tree__actions,
.c-tree__link:focus .c-tree__actions,
.c-tree__link:focus-within .c-tree__actions,
.c-tree__link--active .c-tree__actions {
  opacity: 1;
}

.c-tree__link:hover,
.c-tree__link:focus {
  text-decoration: none;
}

/* Action Button Base */
.c-tree__action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: var(--ds-radius-s);
  border: none;
  background: transparent;
  color: var(--ds-color-icon);
  cursor: pointer;
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  flex-shrink: 0;
}

.c-tree__action-btn:hover {
  background-color: var(--ds-color-surface-hover, rgb(246, 248, 248));
  color: var(--ds-color-text-strong, rgb(15, 23, 42));
  text-decoration: none; 
}

.c-tree__action-btn:focus-visible {
  outline: 2px solid var(--ds-color-focus);
  outline-offset: 2px;
}

.c-tree__action-btn svg {
  width: 14px;
  height: 14px;
}

/* Favorite Button */
.c-tree__action-btn--favorite.active {
  color: #f43f5e;
}

.c-tree__action-btn--favorite.active svg {
  fill: currentColor;
}

/* Visibility Button */
.c-tree__action-btn--visibility {
  /* Default state: visible */
}

.c-tree__action-btn--visibility.hidden svg {
  opacity: 0.5;
}

.c-tree__action-btn--visibility.hidden svg path:last-child {
  display: block;
}

/* Publish Button */
.c-tree__action-btn--publish {
  /* Default state: published */
}

.c-tree__action-btn--publish.unpublished svg {
  opacity: 0.5;
}

/* Menu Button (Three Dots) */
.c-tree__action-btn--menu {
  position: relative;
}

/* ========================================
   TREE DROPDOWN MENU
   ======================================== */

.c-tree__dropdown {
  position: fixed;
  z-index: 1000;
  width: 220px;
  background-color: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-m);
  box-shadow: var(--ds-shadow-m);
  padding: var(--ds-space-xs);
  display: none;
  opacity: 0;
  transform: scale(0.95) translateY(-4px);
  transform-origin: top right;
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  pointer-events: none;
  visibility: hidden;
}

.c-tree__dropdown.open {
  display: block;
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
  visibility: visible;
}

/* Centered dropdown (mobile or when no space on sides) */
.c-tree__dropdown--centered {
  width: 90vw;
  max-width: 400px;
  max-height: 80vh;
  overflow-y: auto;
  transform-origin: center center;
}

.c-tree__dropdown--centered.open {
  transform: scale(1);
}

/* Close button for centered dropdown */
.c-tree__dropdown-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ds-color-icon);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ds-radius-s);
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  transform: translate(50%, -50%);
  z-index: 1001;
}

.c-tree__dropdown-close:hover {
  background-color: var(--ds-color-surface-hover, rgb(246, 248, 248));
  color: var(--ds-color-text-strong, rgb(15, 23, 42));
}

.c-tree__dropdown-close:focus-visible {
  outline: 2px solid var(--ds-color-focus);
  outline-offset: 2px;
}

.c-tree__dropdown-close svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Dropdown Item */
.c-tree__dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--ds-space-s) var(--ds-space-m);
  border-radius: var(--ds-radius-s);
  color: var(--ds-color-text);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  font-size: var(--ds-font-size-s);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.c-tree__dropdown-item:hover {
  background-color: var(--ds-color-surface-hover, rgb(246, 248, 248));
  color: var(--ds-color-text-strong, rgb(15, 23, 42));
}

.c-tree__dropdown-item:focus-visible {
  outline: 2px solid var(--ds-color-focus);
  outline-offset: -2px;
}

/* Dropdown Item Icon */
.c-tree__dropdown-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-right: var(--ds-space-s);
  flex-shrink: 0;
  color: var(--ds-color-icon);
}

.c-tree__dropdown-item:hover .c-tree__dropdown-icon {
  color: var(--ds-color-text-strong, rgb(15, 23, 42));
}

/* Dropdown Divider */
.c-tree__dropdown-divider {
  height: 1px;
  background-color: var(--ds-color-border);
  margin: var(--ds-space-xs) 0;
}

/* Dropdown Submenu Item */
.c-tree__dropdown-submenu {
  padding-left: calc(var(--ds-space-m) + 16px + var(--ds-space-s));
  font-size: var(--ds-font-size-xs);
  color: var(--ds-color-text-secondary);
}

.c-tree__dropdown-submenu:hover {
  color: var(--ds-color-text-strong);
}

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

.c-tree__dropdown[role="menu"] {
  /* Menu role for accessibility */
}

.c-tree__dropdown-item[role="menuitem"] {
  /* Menuitem role for accessibility */
}

/* Keyboard navigation support */
.c-tree__dropdown-item:focus-visible {
  background-color: var(--ds-color-surface-hover, rgb(246, 248, 248));
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .c-tree__actions {
    opacity: 1;
  }

  .c-tree__dropdown {
    width: 200px;
  }
}

/* Mobile breakpoint (480px) - always center dropdown */
@media (max-width: 480px) {
  .c-tree__dropdown {
    width: 90vw;
    max-width: 100%;
    max-height: 80vh;
    overflow-y: auto;
  }

  .c-tree__dropdown--centered {
    width: 90vw;
    max-width: 100%;
  }

  .c-tree__dropdown-close {
    display: flex;
  }
}

/* ========================================
   MULTI-LEVEL TREE NAVIGATION
   ======================================== */

/* Level-based nesting with padding and borders */
.c-tree__item--level-1 {
  --tree-level: 1;
}

.c-tree__item--level-2 {
  --tree-level: 2;
  padding-left: calc(var(--ds-space-m) * 1);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-3 {
  --tree-level: 3;
  padding-left: calc(var(--ds-space-m) * 2);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-4 {
  --tree-level: 4;
  padding-left: calc(var(--ds-space-m) * 3);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-5 {
  --tree-level: 5;
  padding-left: calc(var(--ds-space-m) * 4);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-6 {
  --tree-level: 6;
  padding-left: calc(var(--ds-space-m) * 5);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-7 {
  --tree-level: 7;
  padding-left: calc(var(--ds-space-m) * 6);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-8 {
  --tree-level: 8;
  padding-left: calc(var(--ds-space-m) * 7);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-9 {
  --tree-level: 9;
  padding-left: calc(var(--ds-space-m) * 8);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item--level-10 {
  --tree-level: 10;
  padding-left: calc(var(--ds-space-m) * 9);
  /* border-left: 2px solid var(--ds-color-border); */
}

/* Nested list container */
.c-tree__nested {
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: var(--ds-space-xs);
}

/* Accessibility: aria-level attribute support */
.c-tree__item[aria-level="1"] {
  --tree-level: 1;
}

.c-tree__item[aria-level="2"] {
  --tree-level: 2;
  padding-left: calc(var(--ds-space-m) * 1);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="3"] {
  --tree-level: 3;
  padding-left: calc(var(--ds-space-m) * 2);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="4"] {
  --tree-level: 4;
  padding-left: calc(var(--ds-space-m) * 3);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="5"] {
  --tree-level: 5;
  padding-left: calc(var(--ds-space-m) * 4);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="6"] {
  --tree-level: 6;
  padding-left: calc(var(--ds-space-m) * 5);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="7"] {
  --tree-level: 7;
  padding-left: calc(var(--ds-space-m) * 6);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="8"] {
  --tree-level: 8;
  padding-left: calc(var(--ds-space-m) * 7);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="9"] {
  --tree-level: 9;
  padding-left: calc(var(--ds-space-m) * 8);
  /* border-left: 2px solid var(--ds-color-border); */
}

.c-tree__item[aria-level="10"] {
  --tree-level: 10;
  padding-left: calc(var(--ds-space-m) * 9);
  /* border-left: 2px solid var(--ds-color-border); */
}