body{font-family:Arial, sans-serif;background-color:#f4f8fc;margin:0;padding:20px}.container{max-width:800px;margin:auto;background:#fff;padding:30px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,0.1)}h1{text-align:center;background:#1b3c59;color:white;padding:10px;border-radius:8px}h2{text-align:center;color:#333;margin-top:10px}.form-group{margin-top:15px}label{font-weight:bold;display:block;margin-bottom:5px}input, select{width:100%;padding:10px;border-radius:6px;border:1px solid #ccc;font-size:16px}button{width:100%;margin-top:25px;padding:12px;font-size:18px;background-color:#4CAF50;color:white;border:none;border-radius:8px;cursor:pointer}button:hover{background-color:#388e3c}#result{background:#eaf3ff;margin-top:30px;padding:20px;border-radius:8px}table{width:100%;border-collapse:collapse;margin-top:20px;font-size:16px}th, td{padding:12px;border:1px solid #ccc}th{background-color:#d9eafa}.toggle-buttons{margin-top:20px;text-align:center}.toggle-buttons button{margin:10px 5px;padding:10px 16px;font-size:15px;background-color:#007bff;color:white;border:none;border-radius:6px;cursor:pointer}.toggle-buttons button:hover{background-color:#0056b3}.hidden{display:none}