*{
    padding: 0;
    box-sizing: border-box;
    }

 body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
      background: #f4f7fa;
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: 600px;
      background: #fff;
      padding: 25px 30px;
      border-radius: 12px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.1);
      margin: 30px auto;
    }

    h2 {
      text-align: center;
      margin-bottom: 20px;
      color: #333;
    }

    label {
      font-weight: 600;
      margin-top: 15px;
      display: block;
      color: #444;
    }

    input[type="text"], input[type="file"] {
      width: 100%;
      padding: 10px;
      margin-top: 6px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 15px;
      box-sizing: border-box;
    }

    input[type="text"]:focus, input[type="file"]:focus {
      border-color: #2196f3;
      outline: none;
    }

    .btn {
      display: inline-block;
      background: #2196f3;
      color: #fff;
      padding: 10px 18px;
      border: none;
      border-radius: 6px;
      font-size: 15px;
      cursor: pointer;
      margin-top: 20px;
      transition: 0.3s ease;
    }

    .btn:hover {
      background: #1976d2;
    }

    #back-btn {
      background: #555;
      margin-bottom: 15px;
    }

    hr {
      margin: 25px 0;
      border: 0;
      border-top: 1px solid #ddd;
    }

    h3 {
      margin-bottom: 15px;
      color: #333;
    }

    .stored-info p {
      margin: 8px 0;
      font-size: 15px;
      color: #444;
    }

    img {
      max-width: 200px;
      margin-top: 8px;
      border: 1px solid #ccc;
      border-radius: 8px;
      padding: 4px;
      background: #fafafa;
    }

    .preview {
      margin-top: 10px;
      font-size: 14px;
      color: #666;
    }