:root{color-scheme:light}html,body,#root{height:100%;margin:0}body{font-family:Sarabun,Noto Sans Thai,-apple-system,system-ui,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}@media print{.app-shell-nav,.app-shell-header{display:none!important}@page{size:A4;margin:12mm}}