:root {
    --bg-color: #101217;
    --sec-color: #1a1d24;
    --sec-color-2: #2a2d35;
    --green: rgb(86, 222, 147);
    --white: #ffffff;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
  }
  

  
  .heatmap-container {
    border-radius: var(--border-radius);
    justify-content: center;
    display: flex;
    scale: 1.3;
    padding: 20px;
  }
  
  .heatmap-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--white);
  }
  
  #heatmap {
    display: grid;
    grid-template-columns: repeat(13, 1fr); /* 1 for year label + 12 months */
    gap: 0.5rem;
  }
  
  .year-label {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--white);
  }
  
  .month-cell {
    width: 100%;
    padding-top: 100%; /* keep it square */
    border-radius: 6px;
    background-color: var(--sec-color-2);
    position: relative;
    transition: var(--transition);
  }
  
  .month-cell:hover {
    transform: scale(1.1);
  }
  
  .month-cell::after {
    content: attr(data-count);
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 0.6rem;
    color: var(--white);
    opacity: 0.7;
  }