body {
  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: 'Courier New', Courier, monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
pre {
  white-space: pre;
  margin: 0;
  font-size: 13px;
}
#command-input {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: 'Courier New', Courier, monospace;
  font-size: 16px;
  padding: 10px;
  text-align: center;
  width: 300px;
  border-bottom: 1px solid #333;
  transition: border-color 0.2s;
}
#command-input:focus {
  border-bottom-color: #00ff00;
}
a {
  color: #00ff00;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: #00ff00;
  text-decoration: underline;
}
a:visited {
  color: #00cc00;
}
#delete-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}
#delete-btn:hover {
  opacity: 1;
}