* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #1a1a3e 0%, #2d1b4e 50%, #1a2e3e 100%);
  min-height: 100vh;
  color: #333;
  display: flex;
  flex-direction: column;
}

.app-container {
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.header p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
}

h3 {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Pipeline section */
.top-section {
  margin-bottom: 2rem;
}

.pipeline-section {
  background: white;
  border-radius: 12px;
  padding: 1.5rem 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  overflow-x: auto;
}

.pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 700px;
  padding: 2rem 0;
}

.pipeline-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 80px;
}

.pipeline-stage.small {
  min-width: 60px;
}

.stage-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e0e0e0;
  border: 3px solid #ccc;
  transition: all 0.3s;
}

.pipeline-stage.active .stage-dot {
  background: #3498db;
  border-color: #2980b9;
  box-shadow: 0 0 12px rgba(52, 152, 219, 0.5);
  animation: pulse-stage 1.5s ease-in-out infinite;
}

.pipeline-stage.completed .stage-dot {
  background: #27ae60;
  border-color: #219a52;
}

@keyframes pulse-stage {
  0%, 100% { box-shadow: 0 0 8px rgba(52, 152, 219, 0.4); }
  50% { box-shadow: 0 0 20px rgba(52, 152, 219, 0.7); }
}

.stage-label {
  font-size: 0.75rem;
  color: #888;
  text-align: center;
  font-weight: 500;
}

.pipeline-stage.active .stage-label {
  color: #2980b9;
  font-weight: 600;
}

.pipeline-stage.completed .stage-label {
  color: #27ae60;
}

.pipeline-connector {
  width: 40px;
  height: 2px;
  background: #ddd;
  flex-shrink: 0;
}

.pipeline-connector.short {
  width: 20px;
}

/* Fork visualization */
.pipeline-fork {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  padding: 0 0.5rem;
}

.pipeline-branch {
  display: flex;
  align-items: center;
  gap: 0;
}

.fork-line {
  display: none;
}

/* Rejection/Approval badges */
.rejection-indicators {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
  min-height: 32px;
}

.rejection-badge {
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.approval-badge {
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
  border: 1px solid #c3e6cb;
}

.hidden {
  display: none;
}

/* Bottom content */
.bottom-content {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
}

@media (max-width: 1000px) {
  .bottom-content {
    grid-template-columns: 1fr;
  }
}

.left-panel, .right-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.role-section,
.actions-section,
.controls-section,
.log-section,
.explainer-section {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* Role selector */
.role-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.role-btn {
  padding: 0.6rem 0.75rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: white;
  color: #666;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.role-btn:hover {
  border-color: #999;
}

.role-btn.active {
  border-color: #3498db;
  background: #e8f4fd;
  color: #2980b9;
}

.role-btn[data-role="processor"].active {
  border-color: #3498db;
  background: #e8f4fd;
  color: #2980b9;
}

.role-btn[data-role="credit_analyst"].active {
  border-color: #e67e22;
  background: #fef5e7;
  color: #e67e22;
}

.role-btn[data-role="hr_analyst"].active {
  border-color: #27ae60;
  background: #eafaf1;
  color: #27ae60;
}

.role-btn[data-role="underwriter"].active {
  border-color: #8e44ad;
  background: #f4ecf7;
  color: #8e44ad;
}

.role-desc {
  font-size: 0.85rem;
  color: #888;
  font-style: italic;
}

/* Action cards */
.actions-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-card {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1rem;
  transition: all 0.2s;
}

.action-card.enabled {
  border-color: #bee5eb;
  background: #f8f9fa;
}

.action-card.disabled {
  opacity: 0.5;
}

.action-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.action-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.action-role {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.action-desc {
  font-size: 0.8rem;
  color: #888;
  margin-bottom: 0.75rem;
}

.btn {
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.btn-action {
  background: #3498db;
  color: white;
}

.btn-action:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-action:disabled {
  background: #e0e0e0;
  color: #999;
  cursor: not-allowed;
}

.btn-secondary {
  background: #e9ecef;
  color: #495057;
  width: auto;
}

.btn-secondary:hover {
  background: #dee2e6;
}

.no-actions {
  text-align: center;
  color: #999;
  padding: 2rem;
  font-size: 0.9rem;
}

/* Event log */
.log-section h3 {
  display: flex;
  justify-content: space-between;
}

.btn-clear {
  background: none;
  border: none;
  color: #888;
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-clear:hover {
  color: #333;
}

.event-log {
  max-height: 250px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.6;
}

.log-entry {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 2px;
  background: #f8f9fa;
}

.log-entry.info {
  background: #f0fff4;
  color: #276749;
}

.log-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Explainer */
.explainer-content {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
}

.explainer-content p {
  margin-bottom: 0.75rem;
}

.explainer-content ul {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
}

.explainer-content li {
  margin-bottom: 0.5rem;
}

.explainer-content strong {
  color: #333;
}