body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  text-align: center;
  padding: 2em;
}

h1 {
  margin-bottom: 1em;
}

.api-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5em;
  margin: 1em auto;
  border-radius: 10px;
  max-width: 400px;
}

input {
  display: block;
  width: 80%;
  margin: 0.5em auto;
  padding: 0.5em;
  border: none;
  border-radius: 5px;
}

button {
  background: #1d4ed8;
  color: white;
  border: none;
  padding: 0.5em 1em;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #2563eb;
}

pre {
  background: rgba(0, 0, 0, 0.2);
  padding: 1em;
  border-radius: 10px;
  text-align: left;
  white-space: pre-wrap;
}-