feat(ui): apply Justine ink & parchment design system

- Map Justine tokens to shadcn CSS variables (--vibn-* aliases)
- Switch fonts to Inter + Lora via next/font (IBM Plex Mono for code)
- Base typography: body Inter, h1–h3 Lora; marketing hero + wordmark serif
- Project shell and global chrome use semantic colors
- Replace Outfit/Newsreader references across TSX inline styles

Made-with: Cursor

app/[workspace]/project/[projectId]/overview/page.tsx

@@ -48,7 +48,7 @@ export default function ProjectOverviewPage() {
 
   if (loading) {
     return (
-      <div style={{ display: "flex", alignItems: "center", justifyContent: "center", height: "100%", fontFamily: "Outfit, sans-serif" }}>
+      <div style={{ display: "flex", alignItems: "center", justifyContent: "center", height: "100%", fontFamily: "var(--font-inter), ui-sans-serif, sans-serif" }}>
         <Loader2 style={{ width: 24, height: 24, color: "#a09a90" }} className="animate-spin" />
       </div>
     );
@@ -56,7 +56,7 @@ export default function ProjectOverviewPage() {
 
   if (!project) {
     return (
-      <div style={{ display: "flex", alignItems: "center", justifyContent: "center", height: "100%", fontFamily: "Outfit, sans-serif", color: "#a09a90", fontSize: "0.88rem" }}>
+      <div style={{ display: "flex", alignItems: "center", justifyContent: "center", height: "100%", fontFamily: "var(--font-inter), ui-sans-serif, sans-serif", color: "#a09a90", fontSize: "0.88rem" }}>
         Project not found.
       </div>
     );