body {
      font-family: Arial, sans-serif;
      margin: 0;
      background: #f4f4f4;
      color: #333;
    }
    header {
      display: flex;
      align-items: center;
      padding: 1rem 2rem;
      background-color: white;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    #logo {
      width: 80px;
      margin-right: 1rem;
    }
    .titulo-container {
      display: flex;
      flex-direction: column;
    }
    .titulo-container h1 {
      margin: 0;
      font-size: 1.8rem;
    }
    .titulo-container p {
      margin: 0;
      color: #666;
    }
    main {
      padding: 2rem;
    }
    #editable {
      width: 100%;
      min-height: 200px;
      border: 1px dashed #aaa;
      padding: 1rem;
      background-color: #fff;
      overflow-x: auto;
    }
    .button-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 1rem;
      margin-bottom: 1rem;
    }
    button {
      padding: 10px 20px;
      font-size: 1rem;
      background-color: #c8102e;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
    button:hover {
      background-color: #a30d25;
    }
    #output {
      padding: 1rem;
      background-color: white;
      border: 1px solid #ccc;
      overflow-x: auto;
      text-align: left;
    }
    table {
      width: auto;
      border-collapse: collapse;
      margin-bottom: 1rem;
    }
    th, td {
      border: 1px solid #ccc;
      padding: 8px;
      text-align: left;
      vertical-align: top;
    }
    th {
      background-color: #e0e0e0;
    }
    .red-strip {
      background-color: #c8102e !important;
      color: white !important;
    }
    tr.total-row td:first-child {
      text-align: right;
    }
    #mensajeCopiado {
      margin-top: 10px;
      color: green;
    }
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9em;
  padding: 12px 20px;
  background-color: #f2f2f2;
  border-top: 1px solid #ccc;
  color: #333;
  margin-top: 40px;
}

.footer-left,
.footer-right {
  flex: 1;
}

.footer-right {
  text-align: right;
}

@media (max-width: 600px) {
  .footer {
    flex-direction: column;
    text-align: center;
    gap: 5px;
  }
  .footer-right {
    text-align: center;
  }
}