body { font-family: Arial, sans-serif; background: #f4f4f4; padding: 40px; }
.container { max-width: 700px; margin: auto; background: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
label { display: block; margin: 12px 0 4px; font-weight: bold; }
input { width: 100%; padding: 8px; box-sizing: border-box; border: 1px solid #ccc; border-radius: 4px; }
button { margin-top: 16px; background: #007bff; color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; font-size: 16px; }
button:hover { background: #0056b3; }
pre { background: #f8f8f8; padding: 15px; border-radius: 4px; overflow-x: auto; max-height: 500px; overflow-y: auto; }
#status { font-size: 14px; color: #555; }