body {
  background-color: #0d0d0d;
  color: #eaeaea;
  font-family: monospace;
  margin: 0;
}
body.light-mode {
  background-color: #ffffff;
  color: #000000;
}
header {
  background-color: #1a1a1a;
  padding: 1rem;
  text-align: center;
}
h1 {
  color: #ff3c3c;
}
main {
  max-width: 800px;
  margin: auto;
  padding: 2rem;
}
textarea {
  width: 100%;
  height: 200px;
  font-family: monospace;
  font-size: 1rem;
  background: #1a1a1a;
  color: #00ffcc;
  border: 1px solid #444;
  padding: 10px;
}
button {
  margin-top: 10px;
  padding: 10px 20px;
  font-weight: bold;
  cursor: pointer;
  background: #ff4c4c;
  color: white;
  border: none;
}
.actions button {
  margin-right: 10px;
}
#output {
  background: #1a1a1a;
  padding: 1rem;
  margin-top: 1rem;
}
.low-risk {
  border-left: 4px solid #00ff00;
}
.medium-risk {
  border-left: 4px solid #ffaa00;
}
.high-risk {
  border-left: 4px solid #ff4c4c;
}
footer {
  text-align: center;
  background-color: #1a1a1a;
  padding: 1rem;
  color: #aaa;
}