:root{--fm-bg:#fff;--fm-fg:#0b1f38;--fm-muted:#5b6b80;--fm-border:#dde5ee;--fm-accent:#00357a;--fm-brand:#ff5757}@media (prefers-color-scheme:dark){:root{--fm-bg:#0a1626;--fm-fg:#e6edf5;--fm-muted:#93a4b8;--fm-border:#1c2c42;--fm-accent:#5b9dff;--fm-brand:#ff7070}}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--fm-bg);color:var(--fm-fg);-webkit-font-smoothing:antialiased;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}code{background:var(--fm-border);border-radius:4px;padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}a{color:var(--fm-accent)}.portal-shell{grid-template-columns:220px 1fr;min-height:100vh;display:grid}@media (max-width:800px){.portal-shell{grid-template-columns:1fr}.portal-nav{height:auto!important;position:static!important}}.portal-nav{border-right:1px solid 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