body { background: #0c0c0c; color: #00ff00; font-family: monospace; padding: 20px; }
.terminal { max-width: 800px; margin: auto; }
#output { white-space: pre-wrap; margin-bottom: 10px; }
.input-line { display: flex; }
.prompt { margin-right: 10px; color: #888; }
input { background: transparent; border: none; color: #00ff00; outline: none; flex: 1; font-family: monospace; }