.wf-editor-modal {
  display: flex;
  flex-direction: column;
  width: min(1200px, 95vw);
  height: min(820px, 92vh);
  min-width: 640px;
  min-height: 480px;
  resize: both;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.wf-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.wf-editor-header h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
}

.wf-editor-close {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.wf-editor-close:hover {
  color: var(--text);
}

.wf-editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

.wf-editor-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  width: 220px;
  padding: var(--space-sm);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.wf-editor-new {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}

.wf-editor-new:hover {
  background: var(--bg-tertiary);
}

.wf-editor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wf-editor-list-item {
  width: 100%;
  text-align: left;
  padding: var(--space-xs) var(--space-sm);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}

.wf-editor-list-item:hover {
  background: var(--bg-secondary);
}

.wf-editor-list-item.active {
  background: var(--bg-tertiary);
  border-color: var(--border);
}

.wf-editor-empty {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.wf-editor-canvas-wrap {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.wf-editor-canvas-empty {
  flex: 1;
  justify-content: center;
}

.wf-editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.wf-editor-palette {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.wf-palette-btn,
.wf-editor-delete,
.wf-editor-save {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.wf-palette-btn:hover,
.wf-editor-delete:hover {
  background: var(--bg-tertiary);
}

.wf-editor-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.wf-editor-readonly-note {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Neutralize the fieldset wrapper so it only gates interactivity, not layout. */
.wf-inspector-fields {
  display: contents;
  border: none;
  margin: 0;
  padding: 0;
  min-inline-size: 0;
}

.wf-editor-save {
  background: var(--todo);
  border-color: var(--todo);
  color: var(--bg);
}

.wf-editor-save:disabled {
  opacity: 0.6;
  cursor: default;
}

.wf-editor-delete {
  color: var(--ws-error);
}

.wf-editor-banner {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--ws-warning);
  color: var(--ws-warning);
  font-size: 0.85rem;
}

.wf-editor-canvas {
  flex: 1;
  min-height: 0;
  position: relative;
}

.wf-editor-inspector {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 280px;
  padding: var(--space-md);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}

.wf-editor-inspector h3 {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text);
}

.wf-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.wf-field input,
.wf-field textarea,
.wf-field select {
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
}

.wf-field input:focus,
.wf-field textarea:focus,
.wf-field select:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.wf-inspector-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.wf-inspector-note--info {
  color: var(--ws-warning);
}

.wf-field--checkbox {
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.wf-field--checkbox input[type="checkbox"] {
  width: auto;
  padding: 0;
  margin: 0;
  background: none;
  border: none;
  accent-color: var(--todo);
  cursor: pointer;
}

/* Canvas nodes */
/* ── U1: card-style nodes ──
 *  Cards have a header row (icon + label + badges + error badge) and an
 *  independent config-summary row. Sizing mirrors WF_CARD_WIDTH /
 *  WF_CARD_MAX_WIDTH in workflow-flow-mapping.ts; the max-width ceiling forces
 *  long labels/summaries to truncate rather than grow the canvas. Per-kind
 *  accent uses a left border + a faint header tint over a semantic token. */
.wf-node {
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-sizing: border-box;
  width: 200px;
  max-width: 240px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.8rem;
}

.wf-node-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-width: 0;
}

/* Summary row: single line, truncates independently of the header. */
.wf-node-summary {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Per-kind accent: left border color + a faint header tint. color-mix over
 *  semantic tokens keeps both themes legible without raw colors. */
.wf-node-start {
  border-left-color: var(--ws-success);
}

.wf-node-end {
  border-left-color: var(--text-muted);
}

.wf-node-prompt {
  border-left-color: var(--accent, var(--todo));
  background: color-mix(in srgb, var(--accent, var(--todo)) 5%, var(--bg-secondary));
}

.wf-node-script {
  border-left-color: var(--text-muted);
  font-family: var(--font-mono, monospace);
}

.wf-node-gate {
  border-left-color: var(--ws-warning);
  background: color-mix(in srgb, var(--ws-warning) 6%, var(--bg-secondary));
}

.wf-node-hold {
  border-left-color: var(--ws-warning);
}

.wf-node-split,
.wf-node-join {
  border-left-color: var(--accent, var(--ws-info));
}

.wf-node-merge {
  border-left-color: var(--ws-info);
  border-style: dashed;
}

/* ── Step-inversion nodes (KTD-3/4/12/15, U8) ── */

.wf-node-step-execute {
  border-left-color: var(--accent, var(--ws-info));
  background: color-mix(in srgb, var(--accent, var(--ws-info)) 5%, var(--bg-secondary));
}

.wf-node-step-review {
  border-left-color: var(--ws-info);
  background: color-mix(in srgb, var(--ws-info) 6%, var(--bg-secondary));
}

.wf-node-parse-steps {
  border-left-color: var(--ws-info);
}

.wf-node-code {
  border-left-color: var(--text-muted);
  font-family: var(--font-mono, monospace);
}

/* A foreach renders as a React Flow group node containing its template
 *  subgraph. Children are positioned inside the group's box. */
.wf-foreach-group {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border: 1px dashed var(--accent, var(--ws-info));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--accent, var(--ws-info)) 6%, transparent);
  padding: var(--space-xs);
}

.wf-foreach-group.wf-node--error {
  border-color: var(--ws-error);
}

.wf-foreach-header {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text);
}

.wf-foreach-empty {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}

/* Rework edges (KTD-5): dashed accent stroke with a loop affordance. */
.wf-edge-rework .react-flow__edge-path {
  stroke: var(--accent, var(--ws-info));
  stroke-dasharray: 5 4;
  stroke-width: 2;
}

.wf-code-source {
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  white-space: pre;
  overflow-x: auto;
}

/* Header overflow priority (R1): icon fixed-width; label flex-shrinks first
 *  with ellipsis; badges + error badge hold their width flush right. */
.wf-node-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--text-muted);
}

.wf-node-label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wf-node-badge {
  flex-shrink: 0;
  font-size: 0.65rem;
  text-transform: uppercase;
  padding: 1px var(--space-xs);
  border-radius: var(--radius-sm);
  background: var(--ws-warning);
  color: var(--bg);
}

.wf-spin {
  animation: wf-spin 1s linear infinite;
}

@keyframes wf-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ── U10: swimlane bands, column panel, error badges, read-only banner ── */

.wf-column-band {
  border: 1px dashed var(--border);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.wf-node--error {
  border-color: var(--ws-error);
  border-left-color: var(--ws-error);
}

.wf-node-error-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
  font-size: 0.65rem;
  padding: 1px var(--space-xs);
  border-radius: var(--radius-sm);
  background: var(--ws-error);
  color: var(--bg);
}

.wf-editor-readonly-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.wf-editor-duplicate-primary {
  font-weight: 600;
}

.wf-editor-banner--warn {
  background: var(--ws-warning);
  color: var(--bg);
}

.wf-column-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 280px;
  min-width: 260px;
  padding: var(--space-md);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}

.wf-column-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wf-column-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.wf-column-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.wf-column-item--error {
  border-color: var(--ws-error);
}

.wf-column-item-head {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.wf-column-name {
  flex: 1;
  min-width: 0;
}

.wf-column-item-actions {
  display: flex;
  gap: 2px;
}

.wf-column-violation {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.7rem;
  color: var(--ws-error);
  margin: 0;
}

.wf-column-trait-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.wf-column-trait {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.wf-column-traits-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-tertiary);
}