/**
 * ConfidenceGraph Styles
 * 
 * Supports both light and dark mode.
 * Uses CSS custom properties for theming.
 */

.confidence-graph {
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-color: rgba(128, 128, 128, 0.2);
  --text-primary: #fff;
  --text-secondary: #aaa;
  --grid-color: rgba(128, 128, 128, 0.15);
  --axis-color: #888;
  
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
}

/* Light mode overrides */
:root[data-theme="light"] .confidence-graph,
.light-mode .confidence-graph {
  --bg-card: rgba(255, 255, 255, 0.8);
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --grid-color: rgba(0, 0, 0, 0.08);
  --axis-color: #666;
}

/* Header */
.confidence-graph-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.header-left h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}

/* Average badge */
.average-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 20px;
  border-radius: 12px;
  border: 2px solid;
  background: rgba(255, 255, 255, 0.05);
}

.average-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.average-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

/* Chart container */
.confidence-graph-chart {
  margin: 0 -10px;
}

/* Tooltip */
.confidence-tooltip {
  background: rgba(20, 20, 30, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  min-width: 100px;
  text-align: center;
}

.tooltip-time {
  font-size: 0.8rem;
  color: #aaa;
  margin-bottom: 4px;
}

.tooltip-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.tooltip-level {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Stats row */
.confidence-graph-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Issue indicator */
.confidence-issue {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 10px;
}

.issue-icon {
  font-size: 1.2rem;
}

.issue-text {
  font-size: 0.9rem;
  color: #F87171;
}

/* Empty state */
.confidence-graph-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.confidence-graph-empty p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.empty-hint {
  margin-top: 8px;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  .confidence-graph {
    padding: 16px;
  }
  
  .confidence-graph-header {
    flex-direction: column;
    gap: 16px;
  }
  
  .average-badge {
    align-self: flex-start;
  }
  
  .confidence-graph-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Animation for line */
.confidence-graph .recharts-line-curve {
  animation: drawLine 1s ease-out;
}

@keyframes drawLine {
  from {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* Hover effects */
.confidence-graph .recharts-active-dot circle {
  transition: all 0.2s ease;
}

.confidence-graph .recharts-active-dot:hover circle {
  transform: scale(1.2);
}