/* style.css */
body {
  background-color: #222;
  color: #222;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 500px;
  margin: 40px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding: 20px;
}

h1 {
  font-size: 1.5em;
  margin-bottom: 0.5em;
}

label {
  display: block;
  margin-top: 1em;
  font-weight: bold;
}

input[type="text"] {
  width: 100%;
  padding: 8px;
  margin-top: 0.3em;
  margin-bottom: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1em;
}

button {
  display: inline-block;
  padding: 10px 16px;
  font-size: 1em;
  color: #fff;
  background-color: #dd3333;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #d3d3d3;
}

pre.output {
  background: #eef2f7;
  padding: 15px;
  border-radius: 4px;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin-top: 1em;
}