/* ============================================
   WORKFLOW BUILDER LAYOUT
   ============================================ */

.workflow-builder {
  display: flex;
  flex: 1;
  min-height: 0;
  background-color: var(--color-bg);
}

.workflow-builder-sidebar {
  width: 280px;
  background-color: var(--color-bg);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.workflow-builder-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.workflow-builder-properties {
  width: 360px;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

/* ============================================
   TOOLBAR
   ============================================ */

.workflow-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: 0 1px 0 rgb(15 23 42 / 0.04);
}

.workflow-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.workflow-toolbar-center {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.workflow-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.workflow-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.workflow-status {
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
}

.workflow-status.draft {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.workflow-status.published {
  background-color: var(--color-success-100);
  color: var(--color-success-700);
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.zoom-level {
  min-width: 48px;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   STEP PALETTE
   ============================================ */

.step-palette {
  padding: var(--spacing-4);
  overflow-y: auto;
}

.step-palette-section {
  margin-bottom: var(--spacing-6);
}

.step-palette-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-3);
}

.step-palette-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.step-palette-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: grab;
  transition: all var(--transition-fast);
}

.step-palette-item:hover {
  border-color: var(--color-primary-300);
  background-color: var(--color-primary-50);
}

.step-palette-item:active {
  cursor: grabbing;
}

.step-palette-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.step-palette-icon.trigger {
  background-color: var(--color-success-100);
  color: var(--color-success-600);
}

.step-palette-icon.human {
  background-color: var(--color-primary-100);
  color: var(--color-primary-600);
}

.step-palette-icon.action {
  background-color: var(--color-warning-100);
  color: var(--color-warning-600);
}

.step-palette-icon.control {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
}

.step-palette-info {
  min-width: 0;
}

.step-palette-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.step-palette-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================
   CANVAS
   ============================================ */

.workflow-canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.workflow-canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.workflow-canvas-grid {
  fill: none;
  stroke: var(--color-gray-200);
  stroke-width: 1;
}

/* ============================================
   NODES
   ============================================ */

.workflow-node {
  cursor: pointer;
  user-select: none;
}

.workflow-node.selected .workflow-node-body {
  box-shadow: 0 0 0 2px var(--color-primary-500);
}

.workflow-node.dragging {
  cursor: grabbing;
}

.workflow-node-body {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1;
  rx: 8;
  transition: all var(--transition-fast);
}

.workflow-node:hover .workflow-node-body {
  stroke: var(--color-gray-400);
}

.workflow-node-header {
  fill: var(--color-bg-secondary);
}

.workflow-node-icon {
  font-size: 16px;
}

.workflow-node-title {
  font-size: 13px;
  font-weight: 500;
  fill: var(--color-text);
}

.workflow-node-type {
  font-size: 11px;
  fill: var(--color-text-muted);
}

/* Node colors by type */
.workflow-node.trigger .workflow-node-icon-bg {
  fill: var(--color-success-100);
}

.workflow-node.trigger .workflow-node-icon {
  fill: var(--color-success-600);
}

.workflow-node.human .workflow-node-icon-bg {
  fill: var(--color-primary-100);
}

.workflow-node.human .workflow-node-icon {
  fill: var(--color-primary-600);
}

.workflow-node.action .workflow-node-icon-bg {
  fill: var(--color-warning-100);
}

.workflow-node.action .workflow-node-icon {
  fill: var(--color-warning-600);
}

.workflow-node.control .workflow-node-icon-bg {
  fill: var(--color-gray-100);
}

.workflow-node.control .workflow-node-icon {
  fill: var(--color-gray-600);
}

/* Diamond shape (approval / decision nodes) */
.workflow-node.diamond .workflow-node-body {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1;
  stroke-linejoin: round;
  transition: all var(--transition-fast);
}

.workflow-node.diamond:hover .workflow-node-body {
  stroke: var(--color-gray-400);
}

.workflow-node.diamond .workflow-node-icon {
  font-size: 14px;
}

.workflow-node.diamond .workflow-node-title {
  font-size: 12px;
}

/* Connectors */
.workflow-node-connector {
  fill: var(--color-gray-400);
  stroke: var(--color-bg);
  stroke-width: 2;
  cursor: crosshair;
  transition: fill var(--transition-fast);
}

.workflow-node-connector:hover {
  fill: var(--color-primary-500);
}

.workflow-node-connector.input {
  cursor: pointer;
}

/* ============================================
   EDGES
   ============================================ */

.workflow-edge {
  fill: none;
  stroke: var(--color-gray-300);
  stroke-width: 2;
  cursor: pointer;
  transition: stroke var(--transition-fast);
}

.workflow-edge:hover {
  stroke: var(--color-gray-500);
}

.workflow-edge.selected {
  stroke: var(--color-primary-500);
  stroke-width: 2;
}

.workflow-edge-temp {
  fill: none;
  stroke: var(--color-primary-400);
  stroke-width: 2;
  stroke-dasharray: 5, 5;
  pointer-events: none;
}

.workflow-edge-arrow {
  fill: var(--color-gray-300);
}

.workflow-edge:hover .workflow-edge-arrow {
  fill: var(--color-gray-500);
}

.workflow-edge.selected .workflow-edge-arrow {
  fill: var(--color-primary-500);
}

.workflow-edge-label {
  font-size: 11px;
  fill: var(--color-text-secondary);
  pointer-events: none;
}

.workflow-edge-label-bg {
  fill: var(--color-bg);
  rx: 4;
}

/* ============================================
   PROPERTIES PANEL
   ============================================ */

.properties-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
}

.properties-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.properties-body {
  flex: 1;
  padding: var(--spacing-4);
  overflow-y: auto;
}

.properties-section {
  margin-bottom: var(--spacing-6);
}

.properties-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-3);
}

.properties-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--spacing-8);
}

.properties-empty-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-300);
}

.properties-empty-text {
  font-size: var(--font-size-sm);
}

/* ============================================
   MINIMAP
   ============================================ */

.workflow-minimap {
  position: absolute;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  width: 180px;
  height: 120px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.workflow-minimap-content {
  width: 100%;
  height: 100%;
}

.workflow-minimap-viewport {
  fill: var(--color-primary-100);
  fill-opacity: 0.3;
  stroke: var(--color-primary-500);
  stroke-width: 1;
}

.workflow-minimap-node {
  fill: var(--color-gray-400);
  rx: 2;
}

/* ============================================
   FORM BUILDER (for human task config)
   ============================================ */

.form-builder {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.form-builder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.form-builder-fields {
  padding: var(--spacing-2);
}

.form-builder-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-2);
}

.form-builder-field:last-child {
  margin-bottom: 0;
}

.form-builder-field-drag {
  cursor: grab;
  color: var(--color-text-muted);
}

.form-builder-field-info {
  flex: 1;
}

.form-builder-field-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.form-builder-field-type {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-builder-field-reorder {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex-shrink: 0;
}

.btn-reorder {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 9px;
  line-height: 1;
  padding: 1px 2px;
  color: var(--color-text-muted);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.btn-reorder:hover {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

.btn-reorder-placeholder {
  display: block;
  width: 14px;
  height: 11px;
}

.field-type-badge {
  display: inline-block;
  margin-left: 4px;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 500;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  vertical-align: middle;
  line-height: 1.4;
}

.form-builder-field-actions {
  display: flex;
  gap: var(--spacing-1);
}

.form-builder-add {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-3);
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-builder-add:hover {
  color: var(--color-primary-600);
  border-color: var(--color-primary-300);
  background-color: var(--color-primary-50);
}

/* ============================================
   CONDITION BUILDER
   ============================================ */

.condition-builder {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.condition-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
}

.condition-row:last-child {
  border-bottom: none;
}

.condition-label {
  width: 100px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.condition-expression {
  flex: 1;
}

.condition-expression input {
  width: 100%;
  padding: var(--spacing-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

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

@media (max-width: 1200px) {
  .workflow-builder-sidebar {
    width: 240px;
  }

  .workflow-builder-properties {
    width: 300px;
  }
}

@media (max-width: 1024px) {
  .workflow-builder-sidebar,
  .workflow-builder-properties {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    z-index: var(--z-dropdown);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

  .workflow-builder-sidebar.open {
    transform: translateX(0);
  }

  .workflow-builder-properties {
    left: auto;
    right: 0;
    transform: translateX(100%);
  }

  .workflow-builder-properties.open {
    transform: translateX(0);
  }
}

/* ============================================
   WORKFLOW BUILDER PAGE
   ============================================ */

.workflow-builder-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.workflow-builder-page .workflow-builder {
  flex: 1;
  height: auto;
  margin: 0;
}

.workflow-builder-page .workflow-toolbar {
  flex-shrink: 0;
}

/* Editable workflow name in toolbar */
.workflow-name-input {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  padding: var(--spacing-1) var(--spacing-2);
  color: var(--color-text);
  max-width: 300px;
  transition: border-color var(--transition-fast);
}

.workflow-name-input:hover {
  border-color: var(--color-border);
}

.workflow-name-input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  background: var(--color-bg);
}

/* Save indicator */
.workflow-save-indicator {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-left: var(--spacing-2);
}

/* Canvas empty state */
.workflow-canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* Canvas drag-over state */
.workflow-canvas-container.drag-over {
  background-color: var(--color-primary-50);
  outline: 2px dashed var(--color-primary-300);
  outline-offset: -4px;
}

/* Ensure SVG canvas is above empty state */
.workflow-canvas-container .workflow-canvas {
  z-index: 2;
}

/* Focus outline for keyboard shortcuts */
.workflow-canvas:focus {
  outline: none;
}

/* ============================================
   DROP HIGHLIGHT (Feature 1)
   ============================================ */

.workflow-node-drop-highlight {
  fill: var(--color-primary-100);
  fill-opacity: 0.4;
  stroke: var(--color-primary-500);
  stroke-width: 2;
  stroke-dasharray: 4;
  pointer-events: none;
}

/* ============================================
   MULTI-EXIT LABELS ON NODES (P2)
   ============================================ */

.workflow-node-exit-label {
  font-size: 9px;
  font-weight: 500;
  pointer-events: none;
  user-select: none;
}

.exit-connector {
  stroke: var(--color-bg);
  stroke-width: 2;
  cursor: crosshair;
  transition: r var(--transition-fast);
}

.exit-connector:hover {
  r: 8;
}

.input-connector {
  fill: var(--color-primary-500, #3b82f6);
  stroke: var(--color-bg);
  stroke-width: 2;
  transition: r var(--transition-fast);
}

.input-connector:hover {
  r: 8;
}

/* ============================================
   EDGE HIT AREA (wider invisible path)
   ============================================ */

.workflow-edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  cursor: pointer;
}

/* ============================================
   ALIGNMENT GUIDES (Feature 10)
   ============================================ */

.workflow-align-guide {
  stroke: var(--color-primary-400);
  stroke-width: 1;
  stroke-dasharray: 4, 4;
  pointer-events: none;
  opacity: 0.7;
}

/* ============================================
   SELECTION RECTANGLE (Feature 12)
   ============================================ */

.workflow-selection-rect {
  fill: var(--color-primary-100);
  fill-opacity: 0.2;
  stroke: var(--color-primary-400);
  stroke-width: 1;
  stroke-dasharray: 4;
  pointer-events: none;
}

/* Multi-selected node border */
.workflow-node.selected .workflow-node-body {
  stroke: var(--color-primary-500);
  stroke-width: 2;
}

/* ============================================
   VALIDATION INDICATORS (P5)
   ============================================ */

.workflow-node.validation-error .workflow-node-body {
  stroke: var(--color-error-400);
  stroke-width: 1.5;
  stroke-dasharray: 4, 3;
}

.workflow-node.validation-error.selected .workflow-node-body {
  stroke: var(--color-error-500);
  stroke-width: 2;
  stroke-dasharray: none;
}

.workflow-node-validation {
  pointer-events: all;
  cursor: help;
}

/* Node description text (P5) */
.workflow-node-desc {
  font-size: 9px;
  fill: var(--color-text-muted);
  pointer-events: none;
}

/* ============================================
   MINIMAP (Feature 8 - enhanced)
   ============================================ */

.workflow-minimap {
  position: absolute;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  width: 180px;
  height: 120px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 10;
  cursor: pointer;
}

.workflow-minimap-content {
  width: 100%;
  height: 100%;
}

.workflow-minimap-viewport {
  fill: var(--color-primary-100);
  fill-opacity: 0.3;
  stroke: var(--color-primary-500);
  stroke-width: 2;
}

.workflow-minimap-node {
  fill: var(--color-gray-400);
  rx: 2;
}

.workflow-minimap-node.selected {
  fill: var(--color-primary-500);
}

.workflow-minimap-edge {
  stroke: var(--color-gray-300);
  stroke-width: 1;
}

/* ============================================
   TOOLBAR ENHANCEMENTS
   ============================================ */

.toolbar-separator {
  display: inline-block;
  width: 1px;
  height: 20px;
  background-color: var(--color-border);
  margin: 0 var(--spacing-1);
}

/* ============================================
   TRANSITION ROUTING (Feature 2)
   ============================================ */

.transition-routing {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.transition-route-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.transition-route-target {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
  min-width: 80px;
}

.transition-action-select {
  flex: 1;
}

.form-select-sm {
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
}

/* ============================================
   UPSTREAM VARIABLES (Feature 4)
   ============================================ */

.upstream-variables {
  margin-bottom: var(--spacing-3);
  padding: var(--spacing-3);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.upstream-variables-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2);
}

.upstream-variables-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1);
}

.upstream-var-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-family: var(--font-family-mono);
  color: var(--color-primary-700);
  background-color: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.upstream-var-chip:hover {
  background-color: var(--color-primary-100);
  border-color: var(--color-primary-300);
}

/* ============================================
   CONDITION DELETE BUTTON
   ============================================ */

.condition-delete-btn {
  flex-shrink: 0;
}

/* ============================================
   EDGE LABEL ENHANCEMENTS (Feature 5)
   ============================================ */

.workflow-edge-label-group {
  pointer-events: none;
}

.workflow-edge-label {
  font-size: 11px;
  fill: var(--color-text-secondary);
  font-weight: 500;
}

.workflow-edge-label-bg {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1;
  rx: 4;
}

/* ============================================
   STEP EDITOR MODAL
   ============================================ */

.step-editor-modal .modal-header {
  padding: var(--spacing-3) var(--spacing-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-editor-header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.step-editor-header-icon {
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--color-gray-100);
}

.step-editor-header-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
}

.step-editor-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* Layout: sidebar + content */
.step-editor {
  display: flex;
  height: 100%;
  min-height: 0;
}

.step-editor-sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
  padding: var(--spacing-3) 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.step-editor-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border: none;
  background: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  text-align: left;
  width: 100%;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.step-editor-tab:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

.step-editor-tab.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
  border-left-color: var(--color-primary-500);
  font-weight: var(--font-weight-semibold);
}

.step-editor-tab-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.step-editor-tab-label {
  white-space: nowrap;
}

/* Content area */
.step-editor-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-6);
  min-width: 0;
}

.step-editor-section {
  max-width: 720px;
}

.step-editor-section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-4);
  letter-spacing: -0.01em;
}

/* ── Form Fields Tab ─────────────────────── */

.step-editor-fields-layout {
  display: flex;
  gap: var(--spacing-6);
  height: 100%;
  min-height: 0;
}

.step-editor-fields-builder {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.step-editor-fields-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.step-editor-fields-empty {
  text-align: center;
  padding: var(--spacing-8) var(--spacing-4);
  color: var(--color-gray-500);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-gray-200);
}

.step-editor-field-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  overflow-y: auto;
  flex: 1;
}

.step-editor-field-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: white;
  transition: all var(--transition-fast);
}

.step-editor-field-item:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-xs);
}

.step-editor-field-item.active {
  border-color: var(--color-primary-300);
  box-shadow: 0 0 0 3px var(--color-primary-50);
}

.step-editor-field-item.dragging {
  opacity: 0.5;
}

.step-editor-field-item.drag-over {
  border-color: var(--color-primary-400);
  border-style: dashed;
}

.step-editor-field-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
}

.step-editor-field-drag {
  cursor: grab;
  color: var(--color-gray-400);
  font-size: 1rem;
  user-select: none;
  flex-shrink: 0;
  line-height: 1;
}

.step-editor-field-drag:active {
  cursor: grabbing;
}

.step-editor-field-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--color-gray-100);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.step-editor-field-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.step-editor-field-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
  display: block;
}

.step-editor-field-meta {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Inline field config (expanded state) */
.step-editor-field-config {
  padding: var(--spacing-3) var(--spacing-4) var(--spacing-4);
  border-top: 1px solid var(--color-gray-100);
  background: var(--color-gray-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.step-editor-field-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

/* ── Field Type Picker ───────────────────── */

.step-editor-type-picker {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.step-editor-type-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.step-editor-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2);
}

.step-editor-type-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: white;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.step-editor-type-card:hover {
  border-color: var(--color-primary-300);
  background: var(--color-primary-50);
  box-shadow: var(--shadow-xs);
}

.step-editor-type-card-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--color-gray-100);
  font-size: 1rem;
  flex-shrink: 0;
}

.step-editor-type-card:hover .step-editor-type-card-icon {
  background-color: var(--color-primary-100);
}

.step-editor-type-card-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
}

.step-editor-type-card-desc {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  line-height: 1.3;
}

/* ── Live Preview ────────────────────────── */

.step-editor-fields-preview {
  width: 340px;
  flex-shrink: 0;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: white;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.step-editor-preview-header {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-100);
  background: var(--color-gray-50);
}

.step-editor-preview-body {
  padding: var(--spacing-4);
  overflow-y: auto;
  flex: 1;
}

.step-editor-preview-form .form-group {
  margin-bottom: var(--spacing-4);
}

.step-editor-preview-heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  padding: var(--spacing-3) 0 var(--spacing-2);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--spacing-3);
}

/* ── Conditions ──────────────────────────── */

.step-editor-condition-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
}

/* ── Responsive ──────────────────────────── */

@media (max-width: 1024px) {
  .step-editor-fields-layout {
    flex-direction: column;
  }

  .step-editor-fields-preview {
    width: 100%;
    max-height: 300px;
  }

  .step-editor-sidebar {
    width: 160px;
  }
}