:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Noto Sans Bengali,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{min-height:100vh;margin:0}.app-header{border-bottom:1px solid #ddd;padding:1rem 1.5rem}.app-header h1{margin:0;font-size:1.25rem}#app-content{padding:1.5rem}