body { font-family: Arial, sans-serif; padding: 20px; }
.container { max-width: 600px; margin: auto; }
input { padding: 5px; width: 100%; margin-bottom: 10px; }
button { padding: 10px 15px; font-size: 16px; cursor: pointer; }
#logs { margin-top: 20px; padding: 10px; border: 1px solid #ccc; height: 300px; overflow-y: scroll; background: #f9f9f9; }
#logs p { margin: 0 0 5px; }