body {
  font-family: Arial, sans-serif;
  margin: 2em;
}
.error {
  color: #ef4444;
}
#src {
  width: 100%;
  box-sizing: border-box;
  padding: 1em;
  font-family: monospace;
  border: 1px solid #ccc;
  resize: vertical;
  background-color: #f8fafc;
}
#outputContainer {
  position: relative;
  background-color: #f8fafc;
}
#output {
  border: 1px solid #ccc;
  min-height: 6em;
  padding-left: 1em;
  padding-right: 1em;
  font-family: monospace;
  overflow: auto;
}
#obfuscateButton {
  margin-top: 0.5em;
  padding: 0.4em 1.0em;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background-color: #2563eb;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
#obfuscateButton:hover {
  background-color: #3b82f6;
}
#obfuscateButton:disabled {
  background-color: #475569;
  cursor: wait;
}
#copyButton {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 5px;
  color: #475569;
  background-color: transparent;
  border: 2px solid;
  border-color: transparent;
  border-radius: 6px;
  cursor: pointer;
}
#copyButton:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
}
#warning {
  color: #c2410c;
}