body {
      background: #f9f7f3;
      font-family: 'Segoe UI', sans-serif;
      color: #333;
      padding: 40px 20px;
    }
    .container {
      max-width: 700px;
      margin: auto;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 0 12px rgba(0,0,0,0.1);
      padding: 30px;
    }
    h1 {
      color: #b1976b;
      font-size: 26px;
      margin-bottom: 20px;
      text-align: center;
    }
    label {
      display: block;
      margin-top: 15px;
      font-weight: bold;
    }
    select, input, textarea {
      width: 100%;
      padding: 10px;
      margin-top: 5px;
      font-size: 16px;
      border: 1px solid #ccc;
      border-radius: 4px;
    }
    .result {
      margin-top: 20px;
      font-size: 20px;
      font-weight: bold;
      color: #2a7f2a;
      text-align: center;
    }
    .live-prices {
      font-size: 14px;
      color: #666;
      text-align: center;
      margin-bottom: 20px;
    }
    button {
      margin-top: 20px;
      background: #b1976b;
      color: #fff;
      border: none;
      padding: 12px 20px;
      font-size: 16px;
      border-radius: 4px;
      cursor: pointer;
    }
    button:hover {
      background: #a0855f;
    }
    .hidden {
      display: none;
    }