/* Charts Component Styles */ 
/* Charts Styling */
.chart {
    height: 300px;
    width: 100%;
    position: relative;
    margin-bottom: var(--spacing-lg);
  }
  
  .chart-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
  }
  
  .chart-card h3 {
    color: var(--dentist-blue);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
  }
  
  .chart-note {
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    margin-top: var(--spacing-sm);
    text-align: center;
    font-style: italic;
  }
  
  .charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
  }
  
  .chart-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
  }
  
  .legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
  }
  
  .legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
  }
  
  /* Donut charts */
  .donut-chart-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto var(--spacing-lg);
  }
  
  .donut-chart {
    width: 100%;
    height: 100%;
    border-radius: 50%;
  }
  
  .donut-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
  }
  
  .donut-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dentist-blue);
  }
  
  .donut-text {
    font-size: var(--font-size-xs);
    color: var(--text-gray);
  }
  
  /* Bar charts */
  .bar-chart {
    display: flex;
    height: 250px;
    align-items: flex-end;
    gap: 2px;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--background-gray);
  }
  
  .bar {
    flex: 1;
    background: var(--dentist-blue);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    min-width: 30px;
    transition: height 0.3s ease;
    position: relative;
  }
  
  .bar:hover {
    background: var(--primary-dark);
  }
  
  .bar-label {
    position: absolute;
    width: 100%;
    text-align: center;
    bottom: -25px;
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    transform: rotate(-45deg);
    transform-origin: left top;
    white-space: nowrap;
  }
  
  .bar-value {
    position: absolute;
    width: 100%;
    text-align: center;
    top: -25px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--dentist-blue);
  }
  
  /* Line charts */
  .line-chart {
    position: relative;
    height: 250px;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--background-gray);
  }
  
  .line-chart-svg {
    width: 100%;
    height: 100%;
  }
  
  .axis-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-gray);
  }
  
  .y-labels {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    padding-right: var(--spacing-sm);
  }
  
  /* Radar charts */
  .radar-chart-container {
    width: 300px;
    height: 300px;
    margin: 0 auto;
    position: relative;
  }
  
  .radar-axis {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 1px;
    background-color: rgba(0,0,0,0.1);
    transform-origin: center;
  }
  
  .radar-axis:nth-child(2) {
    transform: rotate(60deg);
  }
  
  .radar-axis:nth-child(3) {
    transform: rotate(120deg);
  }
  
  .radar-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
  }
  
  .radar-point {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--dentist-blue);
    transform: translate(-50%, -50%);
  }
  
  /* Chart placeholders */
  .chart-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-style: italic;
  }
  
  /* Media Queries */
  @media (max-width: 768px) {
    .charts-container {
      grid-template-columns: 1fr;
    }
    
    .chart {
      height: 250px;
    }
    
    .bar-chart {
      height: 200px;
    }
    
    .donut-chart-container {
      width: 150px;
      height: 150px;
    }
  }