body {
    font-family: sans-serif;
    margin: 0;
    padding: 1rem;
    background-color: #222;
    color: #f7f7f7;
  }
a {
    color: #f7f7f7;
    text-decoration: none !important;
    font-weight: bold;
    display: inline-block;
    border: 1px solid transparent;
    border-radius: 8px;
  }
  .container {
    max-width: 800px;
    margin: 0 auto;
  }
  .title {
    color: #c62828;
    text-align: center;
  }
  input[type="text"] {
    width: 95%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
  }
  button {
    background-color: #c62828;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
  }
  button:hover {
    background-color: #a91f1f;
  }
  .section-list button {
    display: block;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  .item {
    background: #444;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  .item label {
    display: inline-block;
    margin-right: 1rem;
  }
  .summary {
    background: #fff3cd;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid #ffeeba;
  }
  #floatingBar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #333;
    color: white;
    display: flex;
    justify-content: space-around;
    padding: 10px;
    z-index: 1000;
  }

  #floatingBar button {
    background: none;
    border: none;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
  }

  #floatingBar button:hover {
    color: #ffcc00;
  }

  #modalOverlay {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    color: 000;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
  }

  .modal {
    background: rgba(0,0,0,0.6);
    padding: 20px;
    border-radius: 10px;
    max-width: 400px;
  }
  .spinner {
    margin-left: 8px;
    animation: spin 1s linear infinite;
    display: inline-block;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }