body {
      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
      background-color: #f9fafb;
      color: #333;
      margin: 0;
      padding: 0;
    }
    .container {
      max-width: 700px;
      margin: 40px auto;
      background: #fff;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }
    h2 {
      text-align: center;
      margin-bottom: 30px;
    }
    form input,
    form textarea,
    form select {
      width: 100%;
      padding: 12px 14px;
      margin-bottom: 18px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 15px;
      box-sizing: border-box;
    }
    textarea {
      resize: vertical;
      min-height: 120px;
    }
    .step-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .step-item input[type="text"] {
      flex: 1;
    }
    .image-upload .upload-box {
      width: 80px;
      height: 80px;
      border: 2px dashed #007bff;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: border-color 0.3s;
    }
    .upload-box img {
      max-width: 100%;
      max-height: 100%;
    }
    .image-upload {
      margin-bottom: 15px;
    }
    #balanceInfo {
      font-weight: 500;
      margin-left: 8px;
      color: green;
    }
    #totalPrice {
      font-weight: bold;
      color: #e83e8c;
    }
    #noteCounter {
      float: right;
      font-size: 12px;
      color: #888;
      margin-top: -10px;
      margin-bottom: 10px;
    }
    button[type="submit"],
    button[type="button"] {
      background-color: #007bff;
      border: none;
      color: white;
      padding: 10px 18px;
      font-size: 15px;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }
    button[type="submit"]:hover,
    button[type="button"]:hover {
      background-color: #0056b3;
    }