body {
  background-color: #000;
  color: #00ff00;
  font-family: 'Courier New', Courier, monospace;
  margin: 0;
  text-align: center;
  line-height: 1.5;
  letter-spacing: 0.05em;
}

nav {
  background-color: #000;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  border-bottom: 1px solid #00ff00;
}

nav a {
  color: #00ff00;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
  color: #66ff66;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 120px);
}

h1 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-shadow: 0 0 3px #00ff00;
}

input[type="text"] {
  width: 320px;
  padding: 10px;
  background-color: #000;
  border: 1px solid #00ff00;
  color: #00ff00;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}

input[type="text"]::placeholder {
  color: #006600;
}

button {
  margin-top: 10px;
  padding: 8px 16px;
  background-color: #00ff00;
  color: #000;
  border: none;
  font-weight: bold;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.3s;
}

button:hover {
  background-color: #33ff33;
}

#response {
  margin-top: 2rem;
  font-style: italic;
  max-width: 80%;
  text-shadow: 0 0 2px #00ff00;
}

footer {
  padding: 1rem;
  font-size: 0.75rem;
  color: #008800;
  background-color: #000;
  border-top: 1px solid #00ff00;
}
footer pre {
  font-family: 'Courier New', monospace;
  color: #00ff00;
  background: #000;
  font-size: 0.9rem;
  line-height: 1.3;
  padding: 1rem;
  white-space: pre-wrap;
  border-top: 1px solid #00ff00;
}

footer pre a {
  color: #00ff00;
  text-decoration: none;
}

footer pre a:hover {
  text-decoration: underline;
}