/* Styles pour la vue en arbre/carte mentale des notes */

.note-header-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-left: auto;
}

.note-display-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.note-display-header .btn {
  white-space: nowrap;
}

/* Container de l'arbre */
.note-display-tree {
  padding: var(--spacing-xl);
  overflow-x: auto;
  overflow-y: auto;
  min-height: 400px;
  background: var(--color-background);
}

.tree-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-width: fit-content;
  padding: var(--spacing-xl);
}

/* Nœud racine */
.tree-node.root-node {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tree-node.root-node > .tree-node-content {
  background: linear-gradient(135deg, var(--color-button), var(--color-accent));
  color: var(--color-button-text);
  font-size: 1.25rem;
  font-weight: 700;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-large);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  margin-bottom: var(--spacing-xl);
}

.tree-node.root-node > .tree-children {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}

/* Nœuds de l'arbre */
.tree-node {
  position: relative;
  margin: var(--spacing-md) 0;
}

.tree-node-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  min-width: 200px;
  max-width: 400px;
}

.tree-node-content:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-button);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.tree-node-title {
  flex: 1;
  font-weight: 500;
  color: var(--color-text-on-surface);
  word-break: break-word;
}

/* Taille de police personnalisable via paramètres */
.note-display-tree,
.tree-container,
.tree-node-content,
.tree-node-title {
  --note-font-size: 100%;
  font-size: calc(1em * var(--note-font-size) / 100);
}

.tree-node-pages {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: var(--color-background);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
}

/* Toggle chevron */
.tree-toggle {
  color: var(--color-text-secondary);
  transition: transform var(--transition-fast);
  font-size: 0.875rem;
}

.tree-toggle.has-children {
  cursor: pointer;
}

.tree-toggle.has-children:hover {
  color: var(--color-button);
}

.tree-node.expanded > .tree-node-content .tree-toggle {
  transform: rotate(90deg);
}

/* Children */
.tree-children {
  margin-left: var(--spacing-xl);
  margin-top: var(--spacing-md);
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--color-border);
  position: relative;
}

.tree-node.root-node > .tree-children {
  margin-left: 0;
  padding-left: 0;
  border-left: none;
}

/* Lignes de connexion */
.tree-children::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.tree-node:not(.root-node)::before {
  content: '';
  position: absolute;
  left: -var(--spacing-lg);
  top: 50%;
  width: var(--spacing-lg);
  height: 2px;
  background: var(--color-border);
}

/* Détails du nœud */
.tree-node-details {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  max-width: 400px;
}

.tree-node-details p {
  margin: 0;
  line-height: 1.5;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tree-node {
  animation: fadeIn 0.3s ease-in-out;
}

/* Responsive */
@media (max-width: 768px) {
  .note-display-tree {
    padding: var(--spacing-md);
  }
  
  .tree-container {
    padding: var(--spacing-md);
  }
  
  .tree-node.root-node > .tree-children {
    flex-direction: column;
    align-items: stretch;
  }
  
  .tree-node-content {
    min-width: 150px;
    max-width: 100%;
  }
  
  .tree-children {
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-sm);
  }
  
  .note-header-actions {
    width: 100%;
  }
  
  .note-header-actions .btn {
    flex: 1;
  }
}

/* Thème sombre */
[data-theme="dark"] .tree-node-content {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .tree-node-content:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent);
}

[data-theme="dark"] .tree-children::before,
[data-theme="dark"] .tree-node:not(.root-node)::before {
  background: var(--color-border);
}