body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
}

.container {
  max-width: 100%;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.form-group {
  width: 100%;
  margin-bottom: 20px;
}

textarea {
  resize: none;
  width: 100%;
  height: 200px;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  transition: border-color 0.3s;
}

textarea:focus {
  outline: none;
  border-color: #007bff;
}

button {
  padding: 10px 20px;
  font-size: 18px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}

#result {
  margin-top: 40px;
  text-align: center;
}

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

#abstract {
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 1.6;
  text-align: left;
  padding: 20px;
  background-color: #f9f9f9;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#downloadBtn {
  margin-top: 20px;
}

@media screen and (max-width: 600px) {
  body {
    padding: 10px;
  }

  .container {
    padding: 10px;
  }

  h1 {
    font-size: 24px;
    margin-bottom: 20px;
  }

  textarea {
    height: 150px;
    font-size: 14px;
  }

  button {
    font-size: 16px;
    padding: 8px 16px;
  }

  #abstract {
    font-size: 14px;
    padding: 10px;
  }
}