.calculator {
        max-width: 450px;
        margin: auto;
        padding: 20px;
        background: #f8f8f8;
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      }

      .title {
        text-align: center;
      }

      .input-field {
        width: 100%;
        padding: 8px;
        margin-bottom: 10px;
      }

      #fabric,
      #fabricLabel {
        display: none;
      }

      /* Radio button styling as toggle buttons */
      input[type="radio"] {
        display: none;
      }

      input[type="radio"] + label {
        display: inline-block;
        padding: 8px 12px;
        margin: 0 5px 10px 0;
        background: #e0e0e0;
        color: #333;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s;
      }

      input[type="radio"]:checked + label {
        background: #0066cc;
        color: #fff;
      }

      .number-input {
        width: 100%;
        padding: 8px;
        margin-bottom: 10px;
      }

      .calculate-btn {
        width: 100%;
        padding: 10px;
        background: #0066cc;
        color: #fff;
        border: none;
        border-radius: 5px;
      }

      .result {
        text-align: center;
        margin-top: 20px;
      }