/* ═══════════════════════════════════════════════════════════════
   simulator.css — Simulador E2E v2 (3 paneles)
   ═══════════════════════════════════════════════════════════════ */

.sim-container-v2 {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px);
  overflow: hidden;
  padding: 0.8rem;
  gap: 0.8rem;
}

/* ────────────────────────────────────────────────────────────
   PANEL DE FILTROS (arriba)
   ──────────────────────────────────────────────────────────── */

.sim-filters-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.48rem 0.75rem;
  flex-shrink: 0;
}

.sim-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.48rem;
  align-items: center;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
}

.sim-filter-row:last-child {
  margin-bottom: 0;
}

.sim-filter-row label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.sim-filter-row select,
.sim-filter-row input {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.8rem;
  background: var(--color-bg);
  color: var(--color-text-primary);
  height: auto;
}

.sim-filter-row .btn {
  margin: 0;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
}

.sim-control-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.sim-control-row span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  min-width: 150px;
}

#sim-count-info {
  font-weight: 600;
  color: var(--color-primary);
}

/* ────────────────────────────────────────────────────────────
   PANELES PRINCIPALES (tabla + simulador)
   ──────────────────────────────────────────────────────────── */

/* ───────────────────────────────────────────────────────────
   MAIN LAYOUT: Vertical (Simulador arriba, Tabla abajo)
   ─────────────────────────────────────────────────────────── */

.sim-main-panels-vertical {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

.sim-top-panel {
  flex: 2;
  min-height: 400px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.sim-bottom-panel {
  flex: 1;
  min-height: 200px;
  overflow-y: auto;
}

/* Divisor vertical redimensionable */
.sim-vertical-divider {
  width: 100%;
  height: 6px;
  background: linear-gradient(180deg, #e5e7eb 0%, #d1d5db 50%, #e5e7eb 100%);
  cursor: row-resize;
  user-select: none;
  border-top: 1px solid #d1d5db;
  border-bottom: 1px solid #d1d5db;
  transition: background 0.2s;
}

.sim-vertical-divider:hover {
  background: linear-gradient(180deg, #d1d5db 0%, #9ca3af 50%, #d1d5db 100%);
}

/* Old grid layout for backwards compatibility */
.sim-main-panels {
  display: none;
}

/* ────────────────────────────────────────────────────────────
   PANEL IZQUIERDO: Tabla de Registros
   ──────────────────────────────────────────────────────────── */

.sim-table-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.sim-table-header {
  padding: 0.8rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sim-table-header h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-primary);
}

.sim-table-wrapper {
  flex: 1;
  overflow-y: auto;
}

.sim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.sim-table thead {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
  z-index: 10;
}

.sim-table th {
  padding: 0.48rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.sim-table td {
  padding: 0.48rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.sim-table tbody tr {
  transition: background 0.15s;
}

.sim-table tbody tr:hover {
  background: rgba(var(--color-primary-rgb), 0.05);
}

.sim-table tbody tr.selected {
  background: rgba(var(--color-primary-rgb), 0.1);
}

.sim-table tbody tr.simulating {
  background: rgba(34, 197, 94, 0.08);
  border-left: 3px solid #22c55e;
}

.sim-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.sim-badge.pending {
  background: rgba(107, 114, 128, 0.1);
  color: #6b7280;
}

.sim-badge.in-flow {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.sim-row-checkbox {
  cursor: pointer;
}

.btn-xs {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

/* ────────────────────────────────────────────────────────────
   PANEL DERECHO: Simulador Activo
   ──────────────────────────────────────────────────────────── */

.sim-active-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.sim-active-header {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  gap: 0.4rem;
}

.sim-active-header h3 {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

#sim-active-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.48rem;
  display: flex;
  flex-direction: column;
}

/* ───────────────────────────────────────────────────────────────
   FIX #5: 2-COLUMN LAYOUT - WORKFLOW + CONTROL PANEL
   ─────────────────────────────────────────────────────────────── */

.sim-workflow-controls-container {
  display: flex;
  gap: 1.2rem;
  flex: 1;
  overflow: hidden;
}

.sim-workflow-column {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
  overflow-y: auto;
  padding-right: 0.5rem;
  flex: 2;
  min-width: 0;
}

.sim-workflow-column::-webkit-scrollbar {
  width: 6px;
}

.sim-workflow-column::-webkit-scrollbar-track {
  background: transparent;
}

.sim-workflow-column::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}

.sim-workflow-column::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

.sim-controls-column {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  overflow-y: auto;
  padding-right: 0.5rem;
  width: auto;
}

.sim-controls-column::-webkit-scrollbar {
  width: 6px;
}

.sim-controls-column::-webkit-scrollbar-track {
  background: transparent;
}

.sim-controls-column::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}

.sim-controls-column::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* Button Group - Simple vertical button lists */
.sim-button-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: fit-content;
}

.sim-button-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.sim-button-group .btn {
  width: auto;
  text-align: left;
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  white-space: nowrap;
}

/* Adjust workflow visual for 2-column layout */
.sim-workflow-visual {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.8rem;
}

.sim-workflow-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sim-workflow-header h4 {
  margin: 0;
  font-size: 1rem;
}

/* Adjust timeline for 2-column layout */
.sim-timeline {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.8rem;
}

.sim-timeline h4 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
}

.sim-timeline-list {
  max-height: 300px;
  overflow-y: auto;
}

/* Responsive: Stack on smaller screens */
@media (max-width: 1400px) {
  .sim-workflow-controls-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sim-workflow-controls-container {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .sim-control-section {
    flex-shrink: 0;
  }
}

.sim-empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-align: center;
  padding: 2rem;
  font-size: 0.95rem;
}

.sim-empty-state i {
  font-size: 3rem;
  opacity: 0.3;
  display: block;
  margin-bottom: 0.8rem;
}

/* Info del suscriptor */
.sim-subscriber-info {
  padding: 0.3rem 0.75rem;
  background: transparent;
  margin-bottom: 0.32rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.8rem;
}

.sim-info-row {
  display: contents;
}

.sim-info-row span {
  font-size: 0.85rem;
  color: var(--color-text-primary);
}

.sim-info-row strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* Motor de Reglas Panel */
.sim-rules-engine-panel {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.32rem;
}

.sim-rules-engine-panel h4 {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-text-primary);
  display: inline-block;
  margin-right: 0.5rem;
}

.sim-rules-evaluation {
  font-size: 0.75rem;
  line-height: 1.3;
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.sim-eval-step {
  padding: 0.25rem 0.4rem;
  background: white;
  border-left: 2px solid #22c55e;
  border-radius: 3px;
  display: inline-block;
}

.sim-eval-step.final {
  border-left-color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
  font-weight: 600;
}

.sim-eval-label {
  color: var(--color-text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  display: inline;
}

/* Flujo visual */
.sim-workflow-visual {
  margin-bottom: 1.5rem;
}

.sim-workflow-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  gap: 0.8rem;
}

.sim-workflow-visual h4 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.sim-workflow-code-badge {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  padding: 0.48rem 1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
  flex: 1;
  text-align: center;
}

.sim-workflow-code-badge strong {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.sim-steps-container {
  display: flex;
  gap: 0.8rem;
  overflow-x: auto;
  padding: 0.48rem 0;
}

.sim-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.sim-step.completed {
  opacity: 1;
}

.sim-step.active {
  opacity: 1;
  color: var(--color-primary);
}

.sim-step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.sim-step.completed .sim-step-circle {
  background: #d1d5db;
  color: #fff;
}

.sim-step.active .sim-step-circle {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.sim-step-name {
  font-size: 0.75rem;
  text-align: center;
  max-width: 80px;
  line-height: 1.2;
  color: var(--color-text-muted);
}

.sim-step.active .sim-step-name {
  color: var(--color-primary);
  font-weight: 600;
}

/* Etapa actual */
.sim-current-stage {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 6px;
  padding: 0.8rem;
  margin-bottom: 1.5rem;
}

.sim-current-stage h4 {
  margin: 0 0 0.75rem 0;
  font-size: 0.95rem;
  color: #92400e;
}

.sim-rules-box {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.8rem;
}

.sim-rules-box > div {
  font-size: 0.8rem;
}

.sim-rules-box strong {
  display: block;
  margin-bottom: 0.32rem;
  color: #92400e;
}

.sim-rules-box ul {
  margin: 0;
  padding-left: 1.25rem;
  list-style: disc;
}

.sim-rules-box li {
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

/* Botones de eventos */
.sim-events-panel {
  margin-bottom: 1.5rem;
}

.sim-events-panel h4 {
  margin: 0 0 0.75rem 0;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.sim-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.sim-button-group.sim-permanent {
  background: rgba(var(--color-primary-rgb), 0.05);
  padding: 0.48rem;
  border-radius: 4px;
  border: 1px solid rgba(var(--color-primary-rgb), 0.1);
}

.sim-button-group .btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
}

/* Timeline */
.sim-timeline {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.sim-timeline h4 {
  margin: 0 0 0.75rem 0;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.sim-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 200px;
  overflow-y: auto;
}

.sim-timeline-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.8rem;
  padding: 0.48rem;
  background: rgba(var(--color-primary-rgb), 0.02);
  border-left: 2px solid var(--color-primary);
  border-radius: 4px;
  font-size: 0.8rem;
}

.sim-timeline-time {
  color: var(--color-text-muted);
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 600;
}

.sim-timeline-content strong {
  color: var(--color-text-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.sim-timeline-status {
  display: inline-block;
  background: #d1d5db;
  color: #fff;
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 600;
  margin-right: 0.5rem;
}

.sim-timeline-duration {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.48rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--color-primary);
  color: white;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: #6b7280;
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background: #4b5563;
}

.btn-success {
  background: #22c55e;
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #16a34a;
}

.btn-warning {
  background: #f59e0b;
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background: #d97706;
}

.btn-danger {
  background: #ef4444;
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(var(--color-primary-rgb), 0.05);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .sim-main-panels {
    grid-template-columns: 1fr;
  }

  .sim-filter-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Scrollbar personalizado */
.sim-table-wrapper::-webkit-scrollbar,
#sim-active-content::-webkit-scrollbar {
  width: 6px;
}

.sim-table-wrapper::-webkit-scrollbar-track,
#sim-active-content::-webkit-scrollbar-track {
  background: transparent;
}

.sim-table-wrapper::-webkit-scrollbar-thumb,
#sim-active-content::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}

.sim-table-wrapper::-webkit-scrollbar-thumb:hover,
#sim-active-content::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* ───────────────────────────────────────────────────────────────
   RECORD EDITOR PANEL (NEW - FASE 2)
   ─────────────────────────────────────────────────────────────── */

.sim-record-editor-toggle {
  margin-bottom: 0.32rem;
}

.sim-record-editor-toggle .btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
}

.sim-record-editor {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 2px solid #22c55e;
  border-radius: 6px;
  padding: 0.8rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.sim-record-editor::before {
  content: '📝 REGISTRO';
  display: block;
  position: absolute;
  top: -10px;
  left: 1rem;
  background: var(--color-bg-secondary);
  padding: 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #22c55e;
  text-transform: uppercase;
}

.sim-editor-header {
  margin-bottom: 0.8rem;
}

.sim-editor-header h4 {
  margin: 0.5rem 0 0.25rem 0;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.sim-editor-header small {
  font-size: 0.75rem;
}

.sim-editor-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.sim-editor-field {
  display: flex;
  flex-direction: column;
}

.sim-editor-field .form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.sim-editor-field .form-input,
.sim-editor-field .form-select {
  padding: 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.8rem;
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.sim-editor-field .form-input:focus,
.sim-editor-field .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.1);
}

.sim-editor-actions {
  display: flex;
  gap: 0.4rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(34, 197, 94, 0.2);
}

.sim-editor-actions .btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  flex: 1;
}

/* ───────────────────────────────────────────────────────────────
   IMPROVED WORKFLOW VISUALIZATION
   ─────────────────────────────────────────────────────────────── */

.sim-steps-timeline {
  display: flex;
  gap: 0.48rem;
  overflow-x: auto;
  padding: 0.48rem 0;
  margin-bottom: 0.6rem;
}

.sim-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  text-align: center;
  opacity: 0.5;
  transition: all 0.2s;
}

.sim-step-pending {
  opacity: 0.4;
}

.sim-step-completed {
  opacity: 1;
}

.sim-step-completed .sim-step-circle {
  background: #22c55e;
  color: white;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.sim-step-active {
  opacity: 1;
  color: var(--color-primary);
}

.sim-step-active .sim-step-circle {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
  transform: scale(1.1);
}

.sim-step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
}

.sim-step-name {
  font-size: 0.75rem;
  font-weight: 500;
  max-width: 70px;
  line-height: 1.2;
  color: var(--color-text-muted);
}

.sim-step-type {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.sim-step-active .sim-step-name,
.sim-step-active .sim-step-type {
  color: var(--color-primary);
  font-weight: 600;
}

.sim-progress-bar {
  background: #f0f0f0;
  border-radius: 4px;
  height: 6px;
  overflow: hidden;
  margin-bottom: 0.32rem;
  position: relative;
}

.sim-progress-fill {
  background: linear-gradient(90deg, #22c55e, var(--color-primary));
  height: 100%;
  transition: width 0.3s ease;
}

.sim-progress-text {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: white;
  padding: 0 0.35rem;
  border-radius: 2px;
}

/* ───────────────────────────────────────────────────────────────
   BIFURCACIÓN VISUAL (fork rows + skipped steps)
   ─────────────────────────────────────────────────────────────── */

/* Rama paralela: los nodos de bifurcación van uno al lado del otro */
.sim-fork-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

/* Separador vertical entre ramas */
.sim-bif-sep {
  color: var(--color-border);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  padding: 0 2px;
  margin-top: 18px;
  opacity: 0.5;
}

/* Paso en rama no tomada */
.sim-step-skipped {
  opacity: 0.35;
  filter: grayscale(1);
  cursor: default;
}
.sim-step-skipped .sim-step-name,
.sim-step-skipped .sim-step-type {
  color: var(--color-text-muted) !important;
}
.sim-step-skipped .sim-step-circle {
  background: var(--color-surface-alt) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text-muted) !important;
}

/* Badge ⑂ en paso con bifurcación */
.sim-bif-badge {
  font-size: 0.6rem;
  vertical-align: super;
  margin-left: 1px;
  color: #0ea5e9;
}

/* Nodo rama: ligeramente más angosto */
.sim-step-branch {
  min-width: 72px;
  max-width: 90px;
  flex: 1;
}

/* ───────────────────────────────────────────────────────────────
   ENHANCED EVENT BUTTONS
   ─────────────────────────────────────────────────────────────── */

.sim-button-group-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.32rem;
  text-transform: uppercase;
}

.sim-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.sim-button-group:has(> .btn-success) {
  padding: 0.48rem;
  background: rgba(34, 197, 94, 0.05);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 4px;
}

.sim-button-group .btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
}

.btn-success {
  background: #22c55e;
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #16a34a;
}

/* ───────────────────────────────────────────────────────────────
   ENHANCED TIMELINE
   ─────────────────────────────────────────────────────────────── */

.sim-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 250px;
  overflow-y: auto;
}

.sim-timeline-item {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 0.48rem;
  padding: 0.48rem;
  background: rgba(var(--color-primary-rgb), 0.02);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.sim-timeline-item.sim-timeline-current {
  background: rgba(var(--color-primary-rgb), 0.08);
  border-left-color: var(--color-primary);
}

.sim-timeline-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.sim-timeline-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.15rem;
}

.sim-timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.4rem;
}

.sim-timeline-step {
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 0.85rem;
}

.sim-timeline-time {
  color: var(--color-text-muted);
  font-family: monospace;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.sim-timeline-status {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  text-transform: uppercase;
  width: fit-content;
}

.sim-status-completed,
.sim-status-success {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
}

.sim-status-pending {
  background: rgba(107, 114, 128, 0.2);
  color: #6b7280;
}

.sim-status-failed {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.sim-timeline-duration,
.sim-timeline-event {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Scrollbar para timeline */
.sim-timeline-list::-webkit-scrollbar {
  width: 5px;
}

.sim-timeline-list::-webkit-scrollbar-track {
  background: transparent;
}

.sim-timeline-list::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}

.sim-timeline-list::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* ───────────────────────────────────────────────────────────────
   FIX #4: RULE-DRIVEN STEP PROGRESSION
   ─────────────────────────────────────────────────────────────── */

.sim-rules-box {
  background: rgba(59, 130, 246, 0.05);
  border-left: 4px solid #3b82f6;
  padding: 0.8rem;
  border-radius: 4px;
  margin-bottom: 0.8rem;
}

.sim-rules-box > div {
  margin-bottom: 0.8rem;
}

.sim-rules-box > div:last-child {
  margin-bottom: 0;
}

.sim-rules-box strong {
  font-size: 0.9rem;
  color: #3b82f6;
  display: block;
  margin-bottom: 0.32rem;
}

.sim-rules-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sim-rule-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.48rem;
  margin-bottom: 0.32rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sim-rule-item:last-child {
  margin-bottom: 0;
}

.sim-rule-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.sim-rule-input {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.sim-rule-input input {
  flex: 1;
  font-size: 0.875rem;
}

.sim-rule-input .btn {
  white-space: nowrap;
  padding: 0.4rem 0.75rem;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sim-container-v2 {
    height: auto;
    min-height: 0;
    overflow-y: auto;
  }
  .sim-top-panel, .sim-bottom-panel { min-height: 240px; }
  .sim-rules-box { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .sim-top-panel { min-height: 180px; }
  .sim-bottom-panel { min-height: 180px; }
}