/* ============================================
   TRACE VIEWER STYLES
   ============================================ */

.trace-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Trace Header Info */
.trace-header {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.trace-header-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.trace-header-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.trace-header-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  word-break: break-all;
  font-family: "Monaco", "Menlo", monospace;
}

.trace-duration {
  color: var(--color-success);
  font-weight: 500;
}

.trace-id {
  color: var(--color-primary);
}

/* Trace Timeline */
.trace-timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.trace-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.trace-step {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-left: var(--space-xl);
  animation: slideInFromLeft 0.3s ease-out;
}

.trace-step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--color-primary);
  transition: all var(--transition-fast);
}

.trace-step:hover::before {
  transform: scale(1.2);
}

.trace-step.completed::before {
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success);
}

.trace-step.error::before {
  background: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error);
}

.trace-step.warning::before {
  background: var(--color-warning);
  box-shadow: 0 0 0 3px var(--color-warning);
}

/* Trace Step Content */
.trace-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.trace-step-header:hover {
  background: var(--bg-tertiary);
}

.trace-step-header.expanded {
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.trace-step-title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
}

.trace-step-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 4px 8px;
  border-radius: 4px;
  min-width: 32px;
  text-align: center;
}

.trace-step-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.trace-step-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: var(--space-md);
  font-family: "Monaco", "Menlo", monospace;
}

.trace-step-toggle {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.trace-step-toggle.open {
  transform: rotate(90deg);
  color: var(--color-primary);
}

/* Trace Step Content */
.trace-step-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
}

.trace-step-content.open {
  max-height: 2000px;
  transition: max-height var(--transition-normal) ease-in;
}

.trace-step-body {
  padding: var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  margin-top: -1px;
}

/* Trace Data Display */
.trace-data {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.trace-data-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.trace-data-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.trace-data-value {
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
  line-height: 1.4;
}

.trace-data-json {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  overflow-x: auto;
}

.trace-data-json pre {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Syntax Highlighting for Traces */
.trace-key {
  color: var(--color-primary);
}

.trace-string {
  color: var(--color-success);
}

.trace-number {
  color: var(--color-warning);
}

.trace-boolean {
  color: var(--color-info);
}

.trace-null {
  color: var(--text-secondary);
  font-style: italic;
}

/* Graph Visualization */
.graph-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.graph-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
}

.graph-stat {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
}

.graph-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.graph-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.graph-entities,
.graph-relations {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.graph-entity,
.graph-relation {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-family: "Monaco", "Menlo", monospace;
}

.graph-entity strong,
.graph-relation strong {
  color: var(--color-primary);
}

/* Performance Metrics */
.trace-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
}

.metric-card {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  font-family: "Monaco", "Menlo", monospace;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-bar {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  margin-top: var(--space-sm);
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 2px;
  transition: width 0.3s ease-out;
}

/* Trace Actions */
.trace-actions {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.trace-action-btn {
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
}

.trace-action-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

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

@media (max-width: 768px) {
  .trace-header {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .trace-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .trace-step-header {
    padding: var(--space-md);
  }

  .trace-data-value {
    font-size: 0.8rem;
  }
}

@media (max-width: 640px) {
  .trace-timeline {
    padding-left: var(--space-md);
  }

  .trace-step {
    padding-left: var(--space-lg);
  }

  .trace-step::before {
    left: -6px;
    width: 12px;
    height: 12px;
  }

  .trace-step-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .trace-step-time {
    margin-left: 0;
  }

  .trace-metrics {
    grid-template-columns: 1fr;
  }

  .trace-actions {
    padding: var(--space-md);
    flex-direction: column;
  }

  .trace-action-btn {
    width: 100%;
    justify-content: center;
  }
}