* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f7fb;
  color: #222;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  background: #ffffff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

h1 {
  text-align: center;
  margin-bottom: 5px;
  color: #1f4fd8;
}

.subtitle {
  text-align: center;
  margin-bottom: 20px;
  color: #555;
  font-size: 14px;
}

textarea {
  width: 100%;
  height: 120px;
  padding: 12px;
  font-size: 14px;
  border-radius: 8px;
  border: 1px solid #ccc;
  resize: none;
}

textarea:focus {
  outline: none;
  border-color: #1f4fd8;
}

button {
  width: 100%;
  margin-top: 15px;
  padding: 12px;
  font-size: 15px;
  background: #1f4fd8;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #173db0;
}

.output-box {
  margin-top: 20px;
  background: #f0f3ff;
  border-radius: 8px;
  padding: 15px;
  min-height: 100px;
}

pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
  font-size: 14px;
}

.disclaimer {
  margin-top: 15px;
  font-size: 12px;
  color: #777;
  text-align: center;
}