diff --git a/src/lib/files-data.ts b/src/lib/files-data.ts
index 677d66e..3686fd7 100755
--- a/src/lib/files-data.ts
+++ b/src/lib/files-data.ts
@@ -45,572 +45,23 @@ export type StorageUsage = {
   total: number
 }
 
-const owner = { name: "Martine Vogel", avatar: "/avatars/martine.jpg" }
-const teamMember1 = { name: "Alex Chen", avatar: "/avatars/alex.jpg" }
-const teamMember2 = { name: "Jordan Park" }
-const teamMember3 = { name: "Sam Rivera", avatar: "/avatars/sam.jpg" }
+const owner = {
+  name: "Martine Vogel",
+  avatar: "/avatars/martine.jpg",
+}
+const pm1 = { name: "Derek Haines" }
+const pm2 = { name: "Rachel Torres" }
+const field1 = { name: "Mike Callahan" }
 
 export const mockFiles: FileItem[] = [
-  // root folders
+  // ─── Top-level company folders ───
   {
-    id: "folder-documents",
-    name: "Documents",
+    id: "folder-00-corporate",
+    name: "00_Corporate",
     type: "folder",
     size: 0,
     path: [],
-    createdAt: "2025-09-15T10:00:00Z",
-    modifiedAt: "2026-01-20T14:30:00Z",
-    owner,
-    starred: true,
-    shared: false,
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "folder-images",
-    name: "Images",
-    type: "folder",
-    size: 0,
-    path: [],
-    createdAt: "2025-10-01T09:00:00Z",
-    modifiedAt: "2026-01-18T11:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember2, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "folder-projects",
-    name: "Projects",
-    type: "folder",
-    size: 0,
-    path: [],
-    createdAt: "2025-08-20T08:00:00Z",
-    modifiedAt: "2026-01-22T16:45:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember3, role: "editor" },
-    ],
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "folder-archive",
-    name: "Archive",
-    type: "folder",
-    size: 0,
-    path: [],
-    createdAt: "2025-06-10T12:00:00Z",
-    modifiedAt: "2025-12-05T09:30:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "folder-shared-assets",
-    name: "Shared Assets",
-    type: "folder",
-    size: 0,
-    path: [],
-    createdAt: "2025-11-01T10:00:00Z",
-    modifiedAt: "2026-01-15T13:20:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...owner, role: "editor" },
-      { ...teamMember2, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: null,
-  },
-
-  // Documents folder contents
-  {
-    id: "doc-proposal",
-    name: "Project Proposal.docx",
-    type: "document",
-    mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    size: 245_000,
-    path: ["Documents"],
-    createdAt: "2025-11-10T14:00:00Z",
-    modifiedAt: "2026-01-19T10:15:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [{ ...teamMember1, role: "editor" }],
-    trashed: false,
-    parentId: "folder-documents",
-  },
-  {
-    id: "doc-meeting-notes",
-    name: "Meeting Notes - Jan 2026.docx",
-    type: "document",
-    mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    size: 128_500,
-    path: ["Documents"],
-    createdAt: "2026-01-05T09:00:00Z",
-    modifiedAt: "2026-01-22T11:30:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: false,
-    parentId: "folder-documents",
-  },
-  {
-    id: "doc-budget",
-    name: "Budget 2026.xlsx",
-    type: "spreadsheet",
-    mimeType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-    size: 890_000,
-    path: ["Documents"],
-    createdAt: "2025-12-01T08:00:00Z",
-    modifiedAt: "2026-01-21T15:00:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember3, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-documents",
-  },
-  {
-    id: "doc-contract",
-    name: "Vendor Contract.pdf",
-    type: "pdf",
-    mimeType: "application/pdf",
-    size: 1_540_000,
-    path: ["Documents"],
-    createdAt: "2025-10-20T11:00:00Z",
-    modifiedAt: "2025-10-20T11:00:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: false,
-    parentId: "folder-documents",
-  },
-  {
-    id: "doc-timeline",
-    name: "Project Timeline.xlsx",
-    type: "spreadsheet",
-    mimeType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-    size: 456_000,
-    path: ["Documents"],
-    createdAt: "2025-11-28T13:00:00Z",
-    modifiedAt: "2026-01-18T09:45:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember2, role: "viewer" }],
-    trashed: false,
-    parentId: "folder-documents",
-  },
-  {
-    id: "folder-documents-reports",
-    name: "Reports",
-    type: "folder",
-    size: 0,
-    path: ["Documents"],
-    createdAt: "2025-10-05T10:00:00Z",
-    modifiedAt: "2026-01-15T14:00:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: false,
-    parentId: "folder-documents",
-  },
-
-  // Documents/Reports subfolder
-  {
-    id: "doc-q4-report",
-    name: "Q4 2025 Report.pdf",
-    type: "pdf",
-    mimeType: "application/pdf",
-    size: 2_100_000,
-    path: ["Documents", "Reports"],
-    createdAt: "2026-01-02T10:00:00Z",
-    modifiedAt: "2026-01-10T16:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "viewer" },
-      { ...teamMember3, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-documents-reports",
-  },
-  {
-    id: "doc-analytics",
-    name: "Site Analytics.xlsx",
-    type: "spreadsheet",
-    mimeType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-    size: 670_000,
-    path: ["Documents", "Reports"],
-    createdAt: "2025-12-20T14:00:00Z",
-    modifiedAt: "2026-01-15T14:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "editor" }],
-    trashed: false,
-    parentId: "folder-documents-reports",
-  },
-
-  // Images folder contents
-  {
-    id: "img-hero",
-    name: "hero-banner.png",
-    type: "image",
-    mimeType: "image/png",
-    size: 3_200_000,
-    path: ["Images"],
-    createdAt: "2025-12-10T10:00:00Z",
-    modifiedAt: "2025-12-10T10:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember2, role: "viewer" }],
-    trashed: false,
-    parentId: "folder-images",
-  },
-  {
-    id: "img-logo",
-    name: "compass-logo.svg",
-    type: "image",
-    mimeType: "image/svg+xml",
-    size: 12_400,
-    path: ["Images"],
-    createdAt: "2025-09-01T08:00:00Z",
-    modifiedAt: "2025-11-15T16:30:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember2, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-images",
-  },
-  {
-    id: "img-mockup",
-    name: "dashboard-mockup.fig",
-    type: "image",
-    mimeType: "application/x-figma",
-    size: 8_900_000,
-    path: ["Images"],
-    createdAt: "2025-11-20T14:00:00Z",
-    modifiedAt: "2026-01-10T11:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "editor" }],
-    trashed: false,
-    parentId: "folder-images",
-  },
-  {
-    id: "img-photo1",
-    name: "team-photo.jpg",
-    type: "image",
-    mimeType: "image/jpeg",
-    size: 4_500_000,
-    path: ["Images"],
-    createdAt: "2025-12-20T15:00:00Z",
-    modifiedAt: "2025-12-20T15:00:00Z",
-    owner: teamMember3,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...owner, role: "viewer" },
-      { ...teamMember1, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-images",
-  },
-  {
-    id: "img-screenshot",
-    name: "app-screenshot.png",
-    type: "image",
-    mimeType: "image/png",
-    size: 1_800_000,
-    path: ["Images"],
-    createdAt: "2026-01-08T09:00:00Z",
-    modifiedAt: "2026-01-08T09:00:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: false,
-    parentId: "folder-images",
-  },
-
-  // Projects folder contents
-  {
-    id: "folder-projects-compass",
-    name: "Compass",
-    type: "folder",
-    size: 0,
-    path: ["Projects"],
-    createdAt: "2025-08-20T08:00:00Z",
-    modifiedAt: "2026-01-22T16:45:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember3, role: "editor" },
-    ],
-    trashed: false,
-    parentId: "folder-projects",
-  },
-  {
-    id: "folder-projects-website",
-    name: "Website Redesign",
-    type: "folder",
-    size: 0,
-    path: ["Projects"],
-    createdAt: "2025-10-15T09:00:00Z",
-    modifiedAt: "2026-01-20T10:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember1, role: "editor" }],
-    trashed: false,
-    parentId: "folder-projects",
-  },
-  {
-    id: "proj-spec",
-    name: "Technical Spec.md",
-    type: "code",
-    mimeType: "text/markdown",
-    size: 34_000,
-    path: ["Projects"],
-    createdAt: "2025-09-10T10:00:00Z",
-    modifiedAt: "2026-01-15T08:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember1, role: "editor" }],
-    trashed: false,
-    parentId: "folder-projects",
-  },
-
-  // Projects/Compass subfolder
-  {
-    id: "compass-readme",
-    name: "README.md",
-    type: "code",
-    mimeType: "text/markdown",
-    size: 8_200,
-    path: ["Projects", "Compass"],
-    createdAt: "2025-08-20T08:30:00Z",
-    modifiedAt: "2026-01-22T16:45:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember1, role: "editor" }],
-    trashed: false,
-    parentId: "folder-projects-compass",
-  },
-  {
-    id: "compass-design",
-    name: "Design System.fig",
-    type: "image",
-    mimeType: "application/x-figma",
-    size: 15_600_000,
-    path: ["Projects", "Compass"],
-    createdAt: "2025-09-05T14:00:00Z",
-    modifiedAt: "2026-01-18T11:30:00Z",
-    owner: teamMember1,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...owner, role: "editor" },
-      { ...teamMember3, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-projects-compass",
-  },
-  {
-    id: "compass-api-doc",
-    name: "API Documentation.pdf",
-    type: "pdf",
-    mimeType: "application/pdf",
-    size: 980_000,
-    path: ["Projects", "Compass"],
-    createdAt: "2025-11-01T10:00:00Z",
-    modifiedAt: "2026-01-12T14:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember3, role: "viewer" }],
-    trashed: false,
-    parentId: "folder-projects-compass",
-  },
-
-  // Projects/Website Redesign subfolder
-  {
-    id: "web-wireframes",
-    name: "Wireframes.fig",
-    type: "image",
-    mimeType: "application/x-figma",
-    size: 12_300_000,
-    path: ["Projects", "Website Redesign"],
-    createdAt: "2025-10-20T11:00:00Z",
-    modifiedAt: "2026-01-20T10:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "editor" }],
-    trashed: false,
-    parentId: "folder-projects-website",
-  },
-  {
-    id: "web-copy",
-    name: "Website Copy.docx",
-    type: "document",
-    mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    size: 67_000,
-    path: ["Projects", "Website Redesign"],
-    createdAt: "2025-11-15T09:00:00Z",
-    modifiedAt: "2026-01-16T13:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...teamMember1, role: "editor" }],
-    trashed: false,
-    parentId: "folder-projects-website",
-  },
-
-  // Shared Assets folder (owned by team member)
-  {
-    id: "shared-brand-guide",
-    name: "Brand Guidelines.pdf",
-    type: "pdf",
-    mimeType: "application/pdf",
-    size: 5_400_000,
-    path: ["Shared Assets"],
-    createdAt: "2025-11-01T10:00:00Z",
-    modifiedAt: "2025-11-01T10:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...owner, role: "editor" },
-      { ...teamMember2, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: "folder-shared-assets",
-  },
-  {
-    id: "shared-icons",
-    name: "Icon Set.zip",
-    type: "archive",
-    mimeType: "application/zip",
-    size: 2_300_000,
-    path: ["Shared Assets"],
-    createdAt: "2025-11-05T14:00:00Z",
-    modifiedAt: "2025-11-05T14:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "viewer" }],
-    trashed: false,
-    parentId: "folder-shared-assets",
-  },
-  {
-    id: "shared-fonts",
-    name: "Custom Fonts.zip",
-    type: "archive",
-    mimeType: "application/zip",
-    size: 1_100_000,
-    path: ["Shared Assets"],
-    createdAt: "2025-11-10T09:00:00Z",
-    modifiedAt: "2025-11-10T09:00:00Z",
-    owner: teamMember1,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "editor" }],
-    trashed: false,
-    parentId: "folder-shared-assets",
-  },
-
-  // Root-level files
-  {
-    id: "root-video",
-    name: "Product Demo.mp4",
-    type: "video",
-    mimeType: "video/mp4",
-    size: 45_000_000,
-    path: [],
-    createdAt: "2025-12-15T16:00:00Z",
-    modifiedAt: "2025-12-15T16:00:00Z",
-    owner,
-    starred: false,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "viewer" },
-      { ...teamMember2, role: "viewer" },
-      { ...teamMember3, role: "viewer" },
-    ],
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "root-audio",
-    name: "Podcast Recording.mp3",
-    type: "audio",
-    mimeType: "audio/mpeg",
-    size: 18_500_000,
-    path: [],
-    createdAt: "2026-01-05T11:00:00Z",
-    modifiedAt: "2026-01-05T11:00:00Z",
-    owner: teamMember3,
-    starred: false,
-    shared: true,
-    sharedWith: [{ ...owner, role: "viewer" }],
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "root-presentation",
-    name: "Q1 Kickoff.pptx",
-    type: "document",
-    mimeType: "application/vnd.openxmlformats-officedocument.presentationml.presentation",
-    size: 6_700_000,
-    path: [],
-    createdAt: "2026-01-02T08:00:00Z",
-    modifiedAt: "2026-01-20T17:00:00Z",
-    owner,
-    starred: true,
-    shared: true,
-    sharedWith: [
-      { ...teamMember1, role: "editor" },
-      { ...teamMember3, role: "editor" },
-    ],
-    trashed: false,
-    parentId: null,
-  },
-  {
-    id: "root-config",
-    name: "deploy-config.yaml",
-    type: "code",
-    mimeType: "text/yaml",
-    size: 2_400,
-    path: [],
-    createdAt: "2025-11-20T10:00:00Z",
+    createdAt: "2025-06-01T08:00:00Z",
     modifiedAt: "2026-01-10T09:00:00Z",
     owner,
     starred: false,
@@ -618,103 +69,642 @@ export const mockFiles: FileItem[] = [
     trashed: false,
     parentId: null,
   },
-
-  // Trashed files
   {
-    id: "trash-old-draft",
-    name: "Old Draft.docx",
-    type: "document",
-    mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    size: 156_000,
-    path: ["Documents"],
-    createdAt: "2025-08-10T10:00:00Z",
-    modifiedAt: "2025-12-28T14:00:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: true,
-    parentId: "folder-documents",
-  },
-  {
-    id: "trash-screenshot",
-    name: "old-screenshot.png",
-    type: "image",
-    mimeType: "image/png",
-    size: 2_400_000,
-    path: ["Images"],
-    createdAt: "2025-07-15T09:00:00Z",
-    modifiedAt: "2025-12-20T11:00:00Z",
-    owner,
-    starred: false,
-    shared: false,
-    trashed: true,
-    parentId: "folder-images",
-  },
-  {
-    id: "trash-backup",
-    name: "backup-nov.zip",
-    type: "archive",
-    mimeType: "application/zip",
-    size: 34_000_000,
+    id: "folder-01-company-structure",
+    name: "01_CompanyStructure",
+    type: "folder",
+    size: 0,
     path: [],
-    createdAt: "2025-11-30T22:00:00Z",
-    modifiedAt: "2026-01-05T08:00:00Z",
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2025-12-15T10:00:00Z",
     owner,
     starred: false,
     shared: false,
-    trashed: true,
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-02-sops",
+    name: "02_SOPs",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2026-01-05T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [
+      { ...pm1, role: "viewer" },
+      { ...pm2, role: "viewer" },
+    ],
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-03-hr",
+    name: "03_HumanResources",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2025-11-20T16:00:00Z",
+    owner,
+    starred: false,
+    shared: false,
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-04-ar",
+    name: "04_AccountsReceivable",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2026-01-15T11:00:00Z",
+    owner,
+    starred: false,
+    shared: false,
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-05-ap",
+    name: "05_AccountsPayable",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2026-01-18T09:30:00Z",
+    owner,
+    starred: false,
+    shared: false,
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-06-licenses",
+    name: "06_LicensesRegistrations",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2025-09-10T12:00:00Z",
+    owner,
+    starred: false,
+    shared: false,
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-11-nutech",
+    name: "11_NuTechProjects",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2026-01-20T14:00:00Z",
+    owner,
+    starred: true,
+    shared: true,
+    sharedWith: [
+      { ...pm1, role: "editor" },
+      { ...pm2, role: "editor" },
+    ],
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-12-design",
+    name: "12_DesignProjects",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2025-12-01T10:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm2, role: "editor" }],
+    trashed: false,
+    parentId: null,
+  },
+  {
+    id: "folder-14-orc",
+    name: "14_ORCProjects",
+    type: "folder",
+    size: 0,
+    path: [],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2026-01-22T16:00:00Z",
+    owner,
+    starred: true,
+    shared: true,
+    sharedWith: [
+      { ...pm1, role: "editor" },
+      { ...pm2, role: "editor" },
+      { ...field1, role: "viewer" },
+    ],
+    trashed: false,
     parentId: null,
   },
 
-  // Archive folder contents
+  // ─── 03_HumanResources contents ───
   {
-    id: "archive-old-project",
-    name: "2024 Campaign.zip",
-    type: "archive",
-    mimeType: "application/zip",
-    size: 89_000_000,
-    path: ["Archive"],
-    createdAt: "2025-01-15T10:00:00Z",
-    modifiedAt: "2025-06-10T12:00:00Z",
+    id: "folder-hr-employee",
+    name: "00_Employee",
+    type: "folder",
+    size: 0,
+    path: ["03_HumanResources"],
+    createdAt: "2025-06-01T08:00:00Z",
+    modifiedAt: "2025-11-20T16:00:00Z",
     owner,
     starred: false,
     shared: false,
     trashed: false,
-    parentId: "folder-archive",
+    parentId: "folder-03-hr",
+  },
+
+  // ─── 11_NuTechProjects: sample project ───
+  {
+    id: "folder-nutech-001",
+    name: "N-001-1234-Johnson",
+    type: "folder",
+    size: 0,
+    path: ["11_NuTechProjects"],
+    createdAt: "2025-08-15T09:00:00Z",
+    modifiedAt: "2026-01-20T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-11-nutech",
   },
   {
-    id: "archive-legacy-docs",
-    name: "Legacy Documentation.pdf",
+    id: "folder-nutech-002",
+    name: "N-002-5600-Martinez",
+    type: "folder",
+    size: 0,
+    path: ["11_NuTechProjects"],
+    createdAt: "2025-10-01T10:00:00Z",
+    modifiedAt: "2026-01-18T11:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm2, role: "editor" }],
+    trashed: false,
+    parentId: "folder-11-nutech",
+  },
+
+  // ─── 14_ORCProjects: sample project ───
+  {
+    id: "folder-orc-001",
+    name: "O-001-5678-Williams",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects"],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2026-01-22T16:00:00Z",
+    owner,
+    starred: true,
+    shared: true,
+    sharedWith: [
+      { ...pm1, role: "editor" },
+      { ...field1, role: "viewer" },
+    ],
+    trashed: false,
+    parentId: "folder-14-orc",
+  },
+  {
+    id: "folder-orc-002",
+    name: "O-002-9012-Chen",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects"],
+    createdAt: "2025-09-20T09:00:00Z",
+    modifiedAt: "2026-01-15T13:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm2, role: "editor" }],
+    trashed: false,
+    parentId: "folder-14-orc",
+  },
+
+  // ─── O-001-5678-Williams subfolders ───
+  {
+    id: "folder-orc001-estimate",
+    name: "02_WorkingEstimate",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects", "O-001-5678-Williams"],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2026-01-10T15:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc-001",
+  },
+  {
+    id: "folder-orc001-payrequests",
+    name: "03_PayRequests",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects", "O-001-5678-Williams"],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2026-01-20T10:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc-001",
+  },
+  {
+    id: "folder-orc001-constructionlog",
+    name: "07_ConstructionLog",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects", "O-001-5678-Williams"],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2026-01-22T08:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...field1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc-001",
+  },
+  {
+    id: "folder-orc001-precon",
+    name: "10_Preconstruction",
+    type: "folder",
+    size: 0,
+    path: ["14_ORCProjects", "O-001-5678-Williams"],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2025-12-15T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc-001",
+  },
+
+  // ─── 03_PayRequests: sample pay app ───
+  {
+    id: "folder-orc001-payapp1",
+    name: "PayApplication-01-December-2025",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "03_PayRequests",
+    ],
+    createdAt: "2025-12-01T09:00:00Z",
+    modifiedAt: "2025-12-15T16:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-payrequests",
+  },
+  {
+    id: "folder-orc001-payapp2",
+    name: "PayApplication-02-January-2026",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "03_PayRequests",
+    ],
+    createdAt: "2026-01-02T09:00:00Z",
+    modifiedAt: "2026-01-20T10:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-payrequests",
+  },
+
+  // ─── 10_Preconstruction subfolders ───
+  {
+    id: "folder-orc001-designs",
+    name: "01_WorkingDesigns",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+    ],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2025-11-20T11:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-precon",
+  },
+  {
+    id: "folder-orc001-estimates",
+    name: "04_PreconstructionEstimates",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+    ],
+    createdAt: "2025-07-10T08:00:00Z",
+    modifiedAt: "2025-12-15T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-precon",
+  },
+
+  // ─── Estimate version 00 (CSI divisions) ───
+  {
+    id: "folder-est-v00",
+    name: "O-001-5678-00",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+      "04_PreconstructionEstimates",
+    ],
+    createdAt: "2025-07-15T08:00:00Z",
+    modifiedAt: "2025-10-20T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-estimates",
+  },
+  {
+    id: "folder-est-v01",
+    name: "O-001-5678-01",
+    type: "folder",
+    size: 0,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+      "04_PreconstructionEstimates",
+    ],
+    createdAt: "2025-10-25T09:00:00Z",
+    modifiedAt: "2025-12-15T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-estimates",
+  },
+
+  // ─── CSI division folders inside estimate v00 ───
+  ...buildCsiDivisions("folder-est-v00", [
+    "14_ORCProjects",
+    "O-001-5678-Williams",
+    "10_Preconstruction",
+    "04_PreconstructionEstimates",
+    "O-001-5678-00",
+  ]),
+
+  // ─── Sample files scattered throughout ───
+  {
+    id: "file-corp-insurance",
+    name: "General Liability Policy 2026.pdf",
     type: "pdf",
     mimeType: "application/pdf",
-    size: 3_200_000,
-    path: ["Archive"],
-    createdAt: "2025-03-20T14:00:00Z",
-    modifiedAt: "2025-03-20T14:00:00Z",
+    size: 2_400_000,
+    path: ["00_Corporate"],
+    createdAt: "2025-12-20T10:00:00Z",
+    modifiedAt: "2025-12-20T10:00:00Z",
     owner,
     starred: false,
     shared: false,
     trashed: false,
-    parentId: "folder-archive",
+    parentId: "folder-00-corporate",
   },
   {
-    id: "archive-old-video",
-    name: "Training Video 2024.mp4",
-    type: "video",
-    mimeType: "video/mp4",
-    size: 120_000_000,
-    path: ["Archive"],
-    createdAt: "2024-11-10T16:00:00Z",
-    modifiedAt: "2024-11-10T16:00:00Z",
+    id: "file-sop-safety",
+    name: "Safety Protocol v3.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 890_000,
+    path: ["02_SOPs"],
+    createdAt: "2025-09-01T08:00:00Z",
+    modifiedAt: "2026-01-05T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [
+      { ...pm1, role: "viewer" },
+      { ...field1, role: "viewer" },
+    ],
+    trashed: false,
+    parentId: "folder-02-sops",
+  },
+  {
+    id: "file-sop-closeout",
+    name: "Project Closeout Checklist.docx",
+    type: "document",
+    mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+    size: 145_000,
+    path: ["02_SOPs"],
+    createdAt: "2025-07-15T10:00:00Z",
+    modifiedAt: "2025-11-10T09:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm2, role: "viewer" }],
+    trashed: false,
+    parentId: "folder-02-sops",
+  },
+  {
+    id: "file-license-gc",
+    name: "GC License - State.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 520_000,
+    path: ["06_LicensesRegistrations"],
+    createdAt: "2025-03-01T08:00:00Z",
+    modifiedAt: "2025-03-01T08:00:00Z",
     owner,
     starred: false,
     shared: false,
     trashed: false,
-    parentId: "folder-archive",
+    parentId: "folder-06-licenses",
+  },
+  {
+    id: "file-orc001-estimate-v00",
+    name: "Working Estimate v0.xlsx",
+    type: "spreadsheet",
+    mimeType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+    size: 1_200_000,
+    path: ["14_ORCProjects", "O-001-5678-Williams", "02_WorkingEstimate"],
+    createdAt: "2025-08-01T10:00:00Z",
+    modifiedAt: "2026-01-10T15:00:00Z",
+    owner: pm1,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...owner, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-estimate",
+  },
+  {
+    id: "file-orc001-log-jan",
+    name: "Daily Log 2026-01-22.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 340_000,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "07_ConstructionLog",
+    ],
+    createdAt: "2026-01-22T17:00:00Z",
+    modifiedAt: "2026-01-22T17:00:00Z",
+    owner: field1,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...owner, role: "viewer" }],
+    trashed: false,
+    parentId: "folder-orc001-constructionlog",
+  },
+  {
+    id: "file-orc001-floorplan",
+    name: "Floor Plan Rev C.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 8_900_000,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+      "01_WorkingDesigns",
+    ],
+    createdAt: "2025-09-15T14:00:00Z",
+    modifiedAt: "2025-11-20T11:00:00Z",
+    owner: pm1,
+    starred: true,
+    shared: true,
+    sharedWith: [{ ...owner, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-designs",
+  },
+  {
+    id: "file-orc001-elevations",
+    name: "Elevations Rev B.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 6_200_000,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "10_Preconstruction",
+      "01_WorkingDesigns",
+    ],
+    createdAt: "2025-09-15T14:30:00Z",
+    modifiedAt: "2025-10-28T09:00:00Z",
+    owner: pm1,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...owner, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-designs",
+  },
+  {
+    id: "file-payapp1-invoice",
+    name: "Invoice-Dec-2025.pdf",
+    type: "pdf",
+    mimeType: "application/pdf",
+    size: 450_000,
+    path: [
+      "14_ORCProjects",
+      "O-001-5678-Williams",
+      "03_PayRequests",
+      "PayApplication-01-December-2025",
+    ],
+    createdAt: "2025-12-10T14:00:00Z",
+    modifiedAt: "2025-12-15T16:00:00Z",
+    owner: pm1,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...owner, role: "editor" }],
+    trashed: false,
+    parentId: "folder-orc001-payapp1",
   },
 ]
 
 export const mockStorageUsage: StorageUsage = {
-  used: 412_000_000,
+  used: 156_000_000,
   total: 5_000_000_000,
 }
+
+// ─── CSI Division folder generator ───
+
+const CSI_DIVISIONS = [
+  "00 00 00 Procurement Req",
+  "01 00 00 General Req",
+  "02 00 00 Ext Conditions",
+  "03 00 00 Concrete",
+  "04 00 00 Masonry",
+  "05 00 00 Metals",
+  "06 00 00 Woods Plastics and Composites",
+  "07 00 00 Thermal Protection",
+  "08 00 00 Openings",
+  "09 00 00 Finishes",
+  "10 00 00 Specialties",
+  "11 00 00 Equipment",
+  "12 00 00 Furnishings",
+  "13 00 00 Special Const",
+  "14 00 00 Conveying Equipment",
+  "21 00 00 Fire Suppression",
+  "22 00 00 Plumbing",
+  "23 00 00 HVAC",
+  "26 00 00 Electrical",
+  "27 00 00 Communications",
+  "28 00 00 Safety and Security",
+  "31 00 00 Earthwork",
+  "32 00 00 Exterior Improvement",
+  "33 00 00 Utilities",
+  "48 00 00 Electrical Power Generation Equipment",
+] as const
+
+function buildCsiDivisions(
+  parentId: string,
+  parentPath: string[]
+): FileItem[] {
+  return CSI_DIVISIONS.map((name) => ({
+    id: `${parentId}-csi-${name.slice(0, 2)}`,
+    name,
+    type: "folder" as FileType,
+    size: 0,
+    path: parentPath,
+    createdAt: "2025-07-15T08:00:00Z",
+    modifiedAt: "2025-10-20T14:00:00Z",
+    owner,
+    starred: false,
+    shared: true,
+    sharedWith: [{ ...pm1, role: "editor" as SharedRole }],
+    trashed: false,
+    parentId,
+  }))
+}