body {
    font-family: Inter, Arial, sans-serif;
    margin: 20px;
    color: #1b1b1b;
    background: #ffffff;
  }
  
  h1, h2 {
    font-family: Montserrat, Arial, sans-serif;
    letter-spacing: 0.2px;
    margin-top: 40px;
    color: #1B5E20; /* vert profond */
  }
  
  h1 {
    font-size: 34px;
    margin-bottom: 10px;
  }
  
  h2 {
    font-size: 22px;
    margin-bottom: 14px;
  }
  
 .pack-layout {
    display: grid;
    grid-template-columns: 1fr 640px; /* au lieu de 320px */
    gap: 16px;
    align-items: start;
  }

  
  .pack-left {
    padding: 16px;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 16px;
    background: #F7FBF7;
  }
  
  .pack-right {
    position: sticky;
    top: 16px;
  }
  
  .pack-legend, .pack-panel {
    padding: 12px;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 14px;
    background: #ffffff;
    margin-bottom: 12px;
  }
  
  .legend-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 8px 0;
    font-family: Inter, Arial, sans-serif;
    font-size: 13px;
    color: #1b1b1b;
  }
  
  .swatch {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    display: inline-block;
    border: 1px solid rgba(0,0,0,0.12);
  }
  

  .panel-title {
    font-family: Montserrat, Arial, sans-serif;
    font-weight: 700;
    color: #1B5E20;
    margin-bottom: 10px;
  }
  
  .panel-hint {
    margin-top: 10px;
    font-family: Inter, Arial, sans-serif;
    font-size: 12px;
    color: #555;
  }
  
  #panelBars svg {
    width: 100%;
    height: auto;
  }