body{color:#000;background-color:#fff;margin:20px;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}table{border-collapse:collapse;width:100%;margin:12px 0}th,td{text-align:left;border:1px solid #ccc;padding:8px}button{cursor:pointer;padding:4px 10px}input,select{padding:4px}