body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f4f1;
  }
  
  .container {
    display: flex;
  }
  
  .side-panel {
    width: 300px;
    background-color: #d0e1d4;
    position: fixed;
    top: 0;
    left: -300px;
    height: 100vh;
    transition: left 0.3s ease-in-out;
    z-index: 999;
    display: flex;
    flex-direction: column;
  }
  
  .side-panel.open {
    left: 0;
  }
  
  .side-panel-content {
    flex: 1;
    padding: 20px;
    overflow-y: hidden;
    margin-bottom: 0;
  }

  .side-panel-scroll {
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding-right: 10px;
  }
  
  .side-panel.open .side-panel-content {
    display: block;
  }
  
  .side-panel-toggle {
    position: fixed;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    font-size: 24px;
    cursor: pointer;
    background-color: #d0e1d4;
    padding: 5px;
    border-radius: 0 5px 5px 0;
    transition: left 0.3s ease-in-out;
  }
  
  .side-panel.open .side-panel-toggle {
    left: 300px;
  }
  
  .main-content {
    flex: 1;
    padding: 20px;
    margin-left: 0;
    transition: margin-left 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  #coffee-groups-wrapper {
    margin-top: 20px;
    max-width: 800px;
    width: 100%;
  }
  
  .side-panel.open + .main-content {
    margin-left: 300px;
  }
  
  h1, h2 {
    text-align: center;
    color: #2c5e2e;
  }
  
  .form-group {
    margin-bottom: 10px;
  }

  .form-group input[type="text"] {
    width: 80%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #e8f1e9;
    color: #2c5e2e;
    margin-bottom: 10px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
    color: #2c5e2e;
  }
  
  input[type="text"] {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #e8f1e9;
    color: #2c5e2e;
  }
  
  button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #4caf50;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background-color: #45a049;
  }
  
  #generate-groups {
    display: inline-block;
    margin: 20px auto;
    font-size: 16px;
    padding: 12px 24px;
    background-color: #4caf50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  #generate-groups:hover {
    background-color: #45a049;
  }
  
  #coffee-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-row-gap: 20px;
    grid-column-gap: 50px;
    justify-items: center;
  }
    
  .group-container {
    animation: fadeIn 0.5s ease-out;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: left;
    width: 100%;
  }
  
  .group-container h3 {
    color: #2c5e2e;
    margin-top: 0;
  }
  
  .group-container ul {
    padding-left: 20px;
  }
  
  .group-container li {
    color: #2c5e2e;
  }
  
  @keyframes fadeIn {
    0% {
      opacity: 0;
      transform: translateY(20px);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .remove-icon {
    display: inline-block;
    margin-left: 10px;
    color: #999;
    cursor: pointer;
    font-size: 14px;
  }
  
  .remove-icon:hover {
    color: #ff0000;
  }
  
  #toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
  }
  
  .toast {
    background-color: #4caf50;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  
  .toast.show {
    opacity: 1;
  }
  
  .toast .close {
    position: absolute;
    top: 5px;
    right: 10px;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
  }

  .configuration-section h3 {
    margin-top: 0;
    color: #2c5e2e;
  }
  
  .authorship-label {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #777;
  }

  #last-generated-time {
    color: #777;
    font-style: italic;
    font-size: 14px;
}