/* Premium Chart Styles */
.chartjs-tooltip {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  padding: 1rem 1.5rem !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow) !important;
  animation: tooltipAppear 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes tooltipAppear {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.chartjs-legend {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  cursor: pointer;
}

.legend-item:hover {
  background: var(--input-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Custom chart animations */
.chart-container {
  animation: chartSlideIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes chartSlideIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Performance chart specific styles */
.performance-chart .chartjs-tooltip {
  min-width: 180px;
}

/* Distribution chart enhancements */
.distribution-chart .chartjs-legend {
  margin-top: 2rem;
}

/* Radar chart improvements */
.radar-chart .chartjs-tooltip {
  text-align: center;
  min-width: 160px;
}

/* Responsive chart adjustments */
@media (max-width: 768px) {
  .chart-wrapper {
    height: 280px !important;
  }
  
  .chartjs-legend {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }
  
  .legend-item {
    width: 200px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .chart-wrapper {
    height: 240px !important;
  }
  
  .chart-title {
    font-size: 1.1rem;
  }
}