body {
    font-family: "Work Sans", sans-serif;
    background-color: #002b36; /* Solarized Dark base03 */
    color: #839496; /* Solarized Dark base0 */
    padding: 1rem;
    line-height: 1.5;
  }
  
  #chord-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  
  .chord-card {
    border: 1px solid #073642; /* Solarized Dark base02 */
    border-radius: 8px;
    padding: 1rem;
    background-color: #002b36; /* Solarized Dark base03 - same as body for a subtle card */
    width: max-content;
  }
  
  .chord-card h2 {
    margin-top: 0;
    font-size: 1.2rem;
    color: #b58900; /* Solarized Dark yellow */
  }
  
  .fretboard {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    margin-left: .5rem;
    border: .5px;
    background-color: #073642; /* Solarized Dark base02 */
  }
  
  .fretboard .fret {
    background-color: #002b36!important; /* Solarized Dark base03 - same as body */
  }
  
  .fret-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 2px;
  }
  
  .fret {
    width: 2.1rem;
    height: 1.6rem;
    box-sizing: border-box;
    border: .5px solid #586e75; /* Solarized Dark base01 */
    border-left: 2px solid #073642; /* Solarized Dark base02 */
    border-right: 2px solid #073642; /* Solarized Dark base02 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    text-align: center;
    line-height: 1.6rem;
    font-weight: bold;
    background-color: #073642; /* Solarized Dark base02 */
    position: relative;
    color: transparent;
  }
  
  .fret[data-dot]::after {
    content: '';
    width: 0.55rem;
    height: 0.55rem;
    background-color: #dc322f; /* Solarized Dark red */
    border: 1px solid #cb4b16; /* Solarized Dark orange border for red dot */
    border-radius: 50%;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(220, 50, 47, 0.7);
    border-color: #cb4b16;
  }
  
  .fret:empty {
    background-color: #073642; /* Solarized Dark base02 */
  }
  
  .alternatives {
    margin-top: 1rem;
  }
  
  .alternatives h3 {
    color: #839496; /* Solarized Dark base0 */
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .alternatives-container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
  }
  
  .alternative-fretboard {
    margin-inline: 1.8rem;
  }
  
  .alternative-fretboard .fret {
    width: 1.8rem;
    height: 1.3rem;
  }