body {
  font-family: sans-serif;
  background: url('bg.jpg') no-repeat center center fixed;
  background-size: cover;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 85%;
  width: 700px;
  margin: 20px auto;
  background: rgba(255,255,255,0.95);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
h1, h2 {
  text-align: center;
}
textarea {
  width: 95%;
  height: 120px;
  margin: 15px 0;
  padding: 10px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
}
button {
  background: #f97316;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  display: block;
  margin: 0 auto 20px;
}
.resultText {
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  white-space: pre-wrap;
  margin-bottom: 20px;
  box-shadow: 0 1px 5px rgba(0,0,0,0.1);
  font-size: 15px;
}
@media (max-width: 500px) {
  h1 {
    font-size: 20px;
  }
  textarea {
    height: 100px;
    font-size: 16px;
  }
  button {
    width: 100%;
    font-size: 16px;
  }
}