body {
      font-family: sans-serif;
      display: flex;
      justify-content: center;
      align-items: flex-start; /* Align to top for longer content */
      min-height: 100vh;
      background-color: #f4f7f6;
      margin: 0;
      padding: 20px 0; /* Add padding for scroll */
    }

    .calculator {
      background-color: #ffffff;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      width: 90%;
      max-width: 500px; /* Slightly wider */
    }

    h1 {
      color: #333;
      margin-bottom: 10px;
      font-size: 1.6em;
      text-align: center;
    }
    p {
      text-align: center;
      margin-bottom: 25px;
      color: #555;
    }

    .step {
      margin-bottom: 20px;
      padding-bottom: 15px;
      border-bottom: 1px solid #eee;
    }
    .step:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }


    .step label {
      display: block;
      margin-bottom: 8px;
      color: #333;
      font-weight: bold;
      font-size: 1.1em;
    }

    .step input {
      width: 100%;
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
      margin-bottom: 5px; /* Space before help text */
    }

    .step small {
      display: block;
      color: #777;
      font-size: 0.9em;
    }

    /* Removed button styles as it's removed */

    .result-step h2 {
      color: #333;
      margin-bottom: 15px;
      font-size: 1.3em;
      text-align: center;
    }

    .result-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      padding: 5px 0;
    }

    .result-item span {
      color: #555;
    }
    .result-item strong {
      color: #333;
      font-weight: bold;
    }

    hr {
      border: none;
      border-top: 1px dashed #ccc;
      margin: 15px 0;
    }

    .result-item.total span {
      font-size: 1.1em;
      font-weight: bold;
    }

    .result-item.total strong {
      font-size: 1.5em;
      color: #007bff;
    }