.ce-code-selector {
  font-family: var(--font-family)
}
.ce-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999
}
.ce-loading-content {
  text-align: center;
  color: var(--accent-primary)
}
.ce-loading-tree {
  text-align: center;
  padding: var(--space-xl);
  color: var(--accent-secondary)
}
.ce-code-system-tabs {
  display: flex;
  gap: var(--space-sm);
  border-bottom: 2px solid var(--bg-secondary);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap
}
.ce-tab-button {
  padding: .75rem 1.25rem;
  background: 0 0;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-weight: 500;
  color: var(--accent-secondary);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-sm)
}
.ce-tab-button:hover {
  color: var(--text-dark);
  background: var(--bg-secondary)
}
.ce-tab-button.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background: rgba(13,110,253,.1)
}
.ce-tab-count {
  background: var(--accent-secondary);
  color: var(--text-white);
  padding: .125rem .5rem;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 600
}
.ce-tab-button.active .ce-tab-count {
  background: var(--accent-primary)
}
.ce-code-system-content {
  background: var(--bg-white);
  border: 1px solid var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-lg)
}
.ce-system-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--bg-secondary)
}
.ce-system-header h4 {
  margin: 0 0 var(--space-sm) 0;
  color: var(--text-dark)
}
.ce-system-description {
  color: var(--accent-secondary);
  margin: 0
}
.ce-dual-pane-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-md);
  min-height: 400px;
  margin: var(--space-md) 0
}
.ce-tree-pane {
  border: 1px solid var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-white)
}
.ce-tree-pane-header {
  background: var(--bg-secondary);
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--bg-secondary);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center
}
.ce-tree-search {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--bg-secondary)
}
.ce-search-input {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: .9rem
}
.ce-tree-content {
  padding: var(--space-sm);
  max-height: 350px;
  overflow-y: auto
}
.ce-tree-node {
  margin: 0;
  padding: 0
}
.ce-tree-item {
  display: flex;
  align-items: center;
  padding: .25rem .5rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  margin: 1px 0;
  transition: var(--transition-fast)
}
.ce-tree-item:hover {
  background-color: var(--bg-secondary)
}
.ce-tree-item.selected {
  background-color: rgba(13,110,253,.1);
  border: 1px solid var(--accent-primary)
}
.ce-tree-pane:last-child .ce-tree-item.selected {
  background-color: rgba(40,167,69,.15);
  border-left: 3px solid var(--success);
  padding-left: .25rem
}
.ce-tree-pane:last-child .ce-tree-item.context {
  opacity: .7;
  font-style: italic
}
.ce-tree-item.disabled {
  opacity: .5;
  cursor: not-allowed;
  background-color: var(--bg-secondary)
}
.ce-tree-toggle {
  width: 20px;
  height: 20px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-xs);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: var(--transition-fast)
}
.ce-tree-toggle:hover {
  background-color: var(--bg-secondary)
}
.ce-tree-toggle::before {
  content: '▶';
  font-size: 10px;
  transition: transform 0.2s
}
.ce-tree-toggle.expanded::before {
  transform: rotate(90deg)
}
.ce-tree-toggle.leaf {
  visibility: hidden
}
.ce-tree-spacer {
  width: 20px;
  height: 20px;
  margin-right: var(--space-xs);
  flex-shrink: 0
}
.ce-tree-checkbox {
  margin: 0 .5rem 0 .25rem;
  cursor: pointer;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--accent-primary)
}
.ce-tree-label {
  flex: 1;
  font-size: .9rem
}
.ce-tree-code {
  font-weight: 600;
  color: var(--text-dark)
}
.ce-tree-title {
  color: var(--accent-secondary);
  margin-left: var(--space-sm)
}
.ce-selected-badge {
  margin-left: var(--space-sm);
  padding: .125rem .375rem;
  background: var(--success);
  color: #fff;
  border-radius: var(--radius-xl);
  font-size: .75rem;
  font-weight: 600;
  white-space: nowrap
}
.ce-tree-children {
  margin-left: var(--space-lg);
  border-left: 1px solid var(--bg-secondary);
  padding-left: var(--space-sm)
}
.ce-transfer-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-self: center
}
.ce-transfer-btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--accent-primary);
  background: var(--accent-primary);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .9rem;
  transition: var(--transition-fast);
  white-space: nowrap
}
.ce-transfer-btn:hover:not(:disabled) {
  background: #0056b3;
  border-color: #0056b3
}
.ce-transfer-btn:disabled {
  opacity: .5;
  cursor: not-allowed
}
.ce-transfer-btn.remove {
  background: var(--danger);
  border-color: var(--danger)
}
.ce-transfer-btn.remove:hover:not(:disabled) {
  background: #c82333;
  border-color: #c82333
}
.ce-code-system-options {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md)
}
.ce-code-system-options h5 {
  margin: 0 0 var(--space-md) 0;
  color: var(--text-dark)
}
.ce-options-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: var(--space-md)
}
.ce-option-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer
}
.ce-selection-summary {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md)
}
.ce-selection-summary h4 {
  margin: 0 0 var(--space-md) 0;
  color: var(--text-dark)
}
.ce-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(200px,1fr));
  gap: var(--space-md)
}
.ce-summary-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-white);
  border: 1px solid var(--bg-secondary);
  border-radius: var(--radius-sm)
}
.ce-summary-item.has-selection {
  background: rgba(13,110,253,.05);
  border-color: var(--accent-primary)
}
.ce-summary-count {
  font-weight: 600;
  color: var(--accent-primary)
}
.ce-action-buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--bg-secondary)
}
.ce-stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-light);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth)
}
.ce-stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px)
}
.ce-stat-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0
}
.ce-stat-content {
  flex: 1
}
.ce-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-xs)
}
.ce-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .025em
}
.ce-code-list {
  overflow-x: auto
}
.ce-table {
  width: 100%;
  border-collapse: collapse
}
.ce-table thead {
  background: var(--bg-light);
  border-bottom: 2px solid var(--border-color)
}
.ce-table th {
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: .025em
}
.ce-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-light)
}
.ce-table tbody tr:hover {
  background: var(--bg-light)
}
.ce-button-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-muted)
}
.ce-button-icon:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff
}
.ce-button-icon.ce-button-danger:hover {
  background: var(--danger);
  border-color: var(--danger)
}
.ce-code-number {
  font-weight: 600;
  color: var(--primary)
}
.ce-text-muted {
  color: var(--text-muted)
}
.mode-selector {
  margin: var(--space-xl) 0
}
.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
  gap: var(--space-lg)
}
.mode-ce-card {
  background: var(--bg-white);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  gap: var(--space-lg);
  align-items: center
}
.mode-ce-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md)
}
.mode-ce-card.active {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb),.05)
}
.mode-icon {
  font-size: 2.5rem;
  color: var(--primary);
  flex-shrink: 0
}
.mode-content h3 {
  margin: 0 0 var(--space-sm);
  color: var(--text-primary)
}
.mode-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--font-size-sm)
}
.ce-empty-state {
  text-align: center;
  color: var(--accent-secondary);
  padding: var(--space-xl);
  font-style: italic
}
.ce-loading-tree {
  text-align: center;
  padding: var(--space-xl);
  color: var(--accent-secondary)
}
.ce-spinner-border {
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ce-spinner-border .75s linear infinite;
  display: inline-block
}
.ce-spinner-border-sm {
  width: .875rem;
  height: .875rem
}
@keyframes ce-spinner-border {
  to {
    transform: rotate(360deg)
  }
}
.ce-org-code-tree {
  background: var(--bg-white);
  border: 1px solid var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-height: 400px
}
.ce-tree-container {
  max-height: 600px;
  overflow-y: auto;
  padding: var(--space-md);
  background: var(--bg-white);
  border-radius: var(--radius-sm)
}
.ce-system-node > .ce-tree-item {
  background: var(--bg-secondary);
  font-weight: 600;
  margin-bottom: var(--space-sm)
}
.ce-badge {
  background: var(--accent-secondary);
  color: var(--text-white);
  padding: .125rem .5rem;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 400;
  margin-left: var(--space-sm);
  display: inline-block
}
.ce-icon-spacing {
  margin-right: var(--space-sm)
}
.ce-tree-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center
}
.ce-checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 0 var(--space-xs);
  margin: 0
}
.ce-checkbox {
  width: 1rem;
  height: 1rem;
  margin: 0 var(--space-xs) 0 0;
  cursor: pointer;
  accent-color: var(--accent-primary)
}
.ce-checkbox.indeterminate {
  position: relative
}
.ce-checkbox.indeterminate::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 8px;
  height: 2px;
  background-color: var(--accent-primary)
}
.ce-checkbox-label input[type=checkbox] {
  margin-right: var(--space-xs)
}
.ce-btn-icon {
  padding: .25rem .5rem;
  border: 1px solid transparent;
  background: 0 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .875rem;
  transition: var(--transition-fast)
}
.ce-btn-danger {
  color: var(--danger)
}
.ce-btn-danger:hover {
  background: var(--danger);
  color: var(--text-white);
  border-color: var(--danger)
}
.ce-code-mapping-selector {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md)
}
.ce-code-mapping-selector .current-mappings .ce-list-item {
  padding: var(--space-sm);
  font-size: var(--font-size-sm)
}
.ce-line-item-code-manager {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  margin-top: var(--space-md)
}
.ce-line-item-code-manager .current-codes .ce-list-item {
  border-left: 3px solid var(--accent-primary)
}
.ce-line-item-code-manager .add-code-form {
  border: 1px solid var(--accent-primary);
  background-color: var(--bg-secondary)
}
.ce-custom-code-upload .upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--bg-light);
  transition: var(--transition-smooth)
}
.ce-custom-code-upload .upload-zone:hover {
  border-color: var(--accent-primary);
  background: rgba(13,110,253,.05)
}
.ce-custom-code-upload .selected-file {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md)
}
.ce-custom-code-upload .ce-card {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm)
}

/* =================================================================
   CODE COLLECTIONS PAGE STYLES
   ================================================================= */

.ce-collections-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-lg);
  min-height: 600px;
}

.ce-collections-list-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ce-collections-codes-panel {
  min-width: 0;
}

/* Collection List Items */
.ce-collection-items {
  max-height: 400px;
  overflow-y: auto;
}

.ce-collection-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.ce-collection-item:hover {
  background: var(--bg-light);
}

.ce-collection-item.selected {
  background: var(--primary-light, rgba(13, 110, 253, 0.1));
  border-left: 3px solid var(--accent-primary);
}

.ce-collection-item-content {
  flex: 1;
  min-width: 0;
}

.ce-collection-item-name {
  font-weight: 500;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ce-collection-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  font-size: 0.85rem;
}

.ce-collection-item-actions {
  display: flex;
  gap: var(--space-xs);
  opacity: 0;
  transition: var(--transition-fast);
}

.ce-collection-item:hover .ce-collection-item-actions {
  opacity: 1;
}

.ce-btn-icon {
  padding: var(--space-xs);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.ce-btn-icon:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

.ce-btn-icon.ce-btn-danger:hover {
  background: var(--danger-light, rgba(220, 53, 69, 0.1));
  color: var(--danger);
}

/* Code Toolbar */
.ce-code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-light);
  border-bottom: 1px solid var(--bg-secondary);
}

.ce-search-box {
  display: flex;
  align-items: center;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  flex: 1;
  max-width: 300px;
}

.ce-search-box i {
  color: var(--text-muted);
  margin-right: var(--space-xs);
}

.ce-search-box input {
  border: none;
  outline: none;
  flex: 1;
  font-size: 0.9rem;
}

.ce-search-clear {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
}

.ce-code-stats {
  display: flex;
  gap: var(--space-md);
}

.ce-stat {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ce-stat strong {
  color: var(--accent-primary);
}

/* Code Tree Container */
.ce-code-tree-container {
  max-height: 500px;
  overflow-y: auto;
  padding: var(--space-sm);
}

.ce-tree {
  font-size: 0.9rem;
}

/* Tabs Boxed Style */
.ce-tabs-boxed {
  display: flex;
  gap: 0;
  padding: var(--space-xs);
  background: var(--bg-light);
  border-bottom: 1px solid var(--bg-secondary);
}

.ce-tabs-boxed .ce-tab {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.ce-tabs-boxed .ce-tab:hover {
  color: var(--text-dark);
  background: var(--bg-white);
}

.ce-tabs-boxed .ce-tab.active {
  color: var(--accent-primary);
  background: var(--bg-white);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

/* Responsive */
@media (max-width: 992px) {
  .ce-collections-layout {
    grid-template-columns: 1fr;
  }

  .ce-collections-list-panel {
    order: 2;
  }

  .ce-collections-codes-panel {
    order: 1;
  }
}