:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--foreground:#1a1a1a;--background:#fff;--muted:#6b7280}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--foreground:#ededed;--background:#0a0a0a;--muted:#9ca3af}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--foreground);background:var(--background);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}.page{max-width:640px;margin:0 auto;padding:3rem 1.5rem}.page h1{margin-bottom:.5rem;font-size:1.75rem}.concepts ul{padding-left:1.25rem}.status{color:var(--muted);margin-top:2rem;font-size:.9rem}