:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--border:#e5e4e7;--muted:#6b6375;font:16px/1.5 system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--border:#2e303a;--muted:#9ca3af}}*{box-sizing:border-box}body{margin:0}.app{flex-direction:column;min-height:100svh;display:flex}.app-header{border-bottom:1px solid var(--border);padding:16px 24px}.app-header h1{margin:0;font-size:20px;font-weight:600}.app-main{flex:1;padding:24px}.app-footer{border-top:1px solid var(--border);color:var(--muted);padding:12px 24px;font-size:13px}