From 95242709b0516ef5621041bdae3fc44f4a48d103 Mon Sep 17 00:00:00 2001
From: rgrgogu <obsequio.rus@gmail.com>
Date: Wed, 20 May 2026 13:25:03 +0800
Subject: [PATCH] Adjusted

---
 package.json                                  |   1 +
 pnpm-lock.yaml                                |  10 +
 src/components/generic/AssetPickerSheet.jsx   |  71 +-
 src/components/generic/BlockList.jsx          | 110 ++-
 src/components/generic/Blocks/TextBlock.jsx   | 467 +++++++++-
 .../generic/Blocks/TextImageBlock.jsx         |  24 +-
 .../generic/Blocks/TextVideoBlock.jsx         |  19 +-
 src/components/generic/Table/DataTable.jsx    |   1 +
 src/components/ui/switch.jsx                  |   2 -
 src/contexts/AdminCoursesContext.jsx          | 828 +++++++++++++++---
 src/data/adminTiles.data.js                   |   4 +-
 src/index.css                                 |   1 +
 .../courses/ArchivedCourseTable.jsx           | 132 +++
 .../courses/ArchivedLessonsTable.jsx          |   0
 .../components/courses/ArchivedUnitsTable.jsx |   0
 .../admin/components/courses/CourseTable.jsx  |  28 +-
 .../components/courses/LessonsPreview.jsx     | 208 +++++
 .../admin/components/courses/LessonsTable.jsx |   4 +-
 .../components/courses/QuestionEditor.jsx     | 274 ++++++
 .../admin/components/courses/UnitsTable.jsx   |   4 +-
 .../admin/config/assets/rowActions.config.jsx |   4 +-
 .../config/courses/archive/columns.config.jsx |  70 ++
 .../courses/archive/rowActions.config.jsx     |  21 +
 .../courses/archive/selection.config.jsx      |  31 +
 .../config/courses/archive/toolbar.config.jsx |  39 +
 .../admin/config/courses/columns.config.jsx   |  94 +-
 .../lessons/archive/columns.config.jsx        |  47 +
 .../lessons/archive/rowActions.config.jsx     |  41 +
 .../lessons/archive/selection.config.jsx      |  30 +
 .../lessons/archive/toolbar.config.jsx        |  62 ++
 .../config/courses/lessons/columns.config.jsx |  85 +-
 .../courses/lessons/rowActions.config.jsx     |  72 +-
 .../courses/lessons/selection.config.jsx      |  30 +
 .../config/courses/lessons/toolbar.config.jsx |  13 +-
 .../config/courses/rowActions.config.jsx      |  71 +-
 .../admin/config/courses/selection.config.jsx |  16 +-
 .../admin/config/courses/toolbar.config.jsx   |  13 +-
 .../courses/units/archive/columns.config.jsx  |  47 +
 .../units/archive/rowActions.config.jsx       |  42 +
 .../units/archive/selection.config.jsx        |  30 +
 .../courses/units/archive/toolbar.config.jsx  |  57 ++
 .../config/courses/units/columns.config.jsx   |  71 +-
 .../courses/units/rowActions.config.jsx       |  71 +-
 .../config/courses/units/selection.config.jsx |  30 +
 .../config/courses/units/toolbar.config.jsx   |  13 +-
 .../config/user_groups/rowActions.config.jsx  |   4 +-
 .../admin/config/users/rowActions.config.jsx  |   4 +-
 src/modules/admin/layouts/AdminLayout.jsx     |  13 +-
 src/modules/admin/pages/AdminDashboard.jsx    |   4 +-
 src/modules/admin/pages/courses/AddCourse.jsx | 251 ++++++
 .../pages/courses/ArchivedCourseList.jsx      |  24 +
 .../admin/pages/courses/CourseAssessment.jsx  | 560 ++++++++++++
 .../admin/pages/courses/CourseDetail.jsx      |  73 --
 .../admin/pages/courses/CreateCourse.jsx      | 103 ---
 .../admin/pages/courses/EditCourse.jsx        | 233 ++++-
 .../admin/pages/courses/LessonDetail.jsx      |  99 ---
 .../admin/pages/courses/LessonPageBuilder.jsx | 157 ----
 .../admin/pages/courses/ViewCourse.jsx        | 241 +++++
 .../AddLesson.jsx}                            |  95 +-
 .../courses/{ => lessons}/EditLesson.jsx      |  85 +-
 .../courses/lessons/LessonPageBuilder.jsx     | 246 ++++++
 .../LessonsList.jsx}                          |  15 +-
 .../pages/courses/lessons/ViewLesson.jsx      | 127 +++
 .../pages/courses/lessons/ViewLessonPage.jsx  |  89 ++
 .../{CreateUnit.jsx => units/AddUnit.jsx}     |  25 +-
 .../pages/courses/{ => units}/EditUnit.jsx    |  22 +-
 .../admin/pages/courses/units/UnitQuiz.jsx    | 542 ++++++++++++
 .../admin/pages/courses/units/UnitsList.jsx   | 100 +++
 .../admin/pages/courses/units/ViewUnit.jsx    |  79 ++
 src/modules/admin/routes/AdminRoutes.jsx      |  77 +-
 src/utils/timestamp.util.js                   |  14 +-
 71 files changed, 5535 insertions(+), 1035 deletions(-)
 create mode 100644 src/modules/admin/components/courses/ArchivedCourseTable.jsx
 create mode 100644 src/modules/admin/components/courses/ArchivedLessonsTable.jsx
 create mode 100644 src/modules/admin/components/courses/ArchivedUnitsTable.jsx
 create mode 100644 src/modules/admin/components/courses/LessonsPreview.jsx
 create mode 100644 src/modules/admin/components/courses/QuestionEditor.jsx
 create mode 100644 src/modules/admin/config/courses/archive/columns.config.jsx
 create mode 100644 src/modules/admin/config/courses/archive/rowActions.config.jsx
 create mode 100644 src/modules/admin/config/courses/archive/selection.config.jsx
 create mode 100644 src/modules/admin/config/courses/archive/toolbar.config.jsx
 create mode 100644 src/modules/admin/config/courses/lessons/archive/columns.config.jsx
 create mode 100644 src/modules/admin/config/courses/lessons/archive/rowActions.config.jsx
 create mode 100644 src/modules/admin/config/courses/lessons/archive/selection.config.jsx
 create mode 100644 src/modules/admin/config/courses/lessons/archive/toolbar.config.jsx
 create mode 100644 src/modules/admin/config/courses/lessons/selection.config.jsx
 create mode 100644 src/modules/admin/config/courses/units/archive/columns.config.jsx
 create mode 100644 src/modules/admin/config/courses/units/archive/rowActions.config.jsx
 create mode 100644 src/modules/admin/config/courses/units/archive/selection.config.jsx
 create mode 100644 src/modules/admin/config/courses/units/archive/toolbar.config.jsx
 create mode 100644 src/modules/admin/config/courses/units/selection.config.jsx
 create mode 100644 src/modules/admin/pages/courses/AddCourse.jsx
 create mode 100644 src/modules/admin/pages/courses/ArchivedCourseList.jsx
 create mode 100644 src/modules/admin/pages/courses/CourseAssessment.jsx
 delete mode 100644 src/modules/admin/pages/courses/CourseDetail.jsx
 delete mode 100644 src/modules/admin/pages/courses/CreateCourse.jsx
 delete mode 100644 src/modules/admin/pages/courses/LessonDetail.jsx
 delete mode 100644 src/modules/admin/pages/courses/LessonPageBuilder.jsx
 create mode 100644 src/modules/admin/pages/courses/ViewCourse.jsx
 rename src/modules/admin/pages/courses/{CreateLesson.jsx => lessons/AddLesson.jsx} (50%)
 rename src/modules/admin/pages/courses/{ => lessons}/EditLesson.jsx (57%)
 create mode 100644 src/modules/admin/pages/courses/lessons/LessonPageBuilder.jsx
 rename src/modules/admin/pages/courses/{UnitDetail.jsx => lessons/LessonsList.jsx} (77%)
 create mode 100644 src/modules/admin/pages/courses/lessons/ViewLesson.jsx
 create mode 100644 src/modules/admin/pages/courses/lessons/ViewLessonPage.jsx
 rename src/modules/admin/pages/courses/{CreateUnit.jsx => units/AddUnit.jsx} (85%)
 rename src/modules/admin/pages/courses/{ => units}/EditUnit.jsx (87%)
 create mode 100644 src/modules/admin/pages/courses/units/UnitQuiz.jsx
 create mode 100644 src/modules/admin/pages/courses/units/UnitsList.jsx
 create mode 100644 src/modules/admin/pages/courses/units/ViewUnit.jsx

diff --git a/package.json b/package.json
index 7d922d6..cc03954 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "framer-motion": "^12.38.0",
     "input-otp": "^1.4.2",
     "lucide-react": "^1.14.0",
+    "nanoid": "^5.1.11",
     "next-themes": "^0.4.6",
     "radix-ui": "^1.4.3",
     "react": "^19.2.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8ae3d87..4218d5a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -53,6 +53,9 @@ importers:
       lucide-react:
         specifier: ^1.14.0
         version: 1.14.0(react@19.2.5)
+      nanoid:
+        specifier: ^5.1.11
+        version: 5.1.11
       next-themes:
         specifier: ^0.4.6
         version: 0.4.6(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
@@ -2647,6 +2650,11 @@ packages:
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
+  nanoid@5.1.11:
+    resolution: {integrity: sha512-v+KEsUv2ps74PaSKv0gHTxTCgMXOIfBEbaqa6w6ISIGC7ZsvHN4N9oJ8d4cmf0n5oTzQz2SLmThbQWhjd/8eKg==}
+    engines: {node: ^18 || >=20}
+    hasBin: true
+
   natural-compare@1.4.0:
     resolution: {integrity: sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==}
 
@@ -5821,6 +5829,8 @@ snapshots:
 
   nanoid@3.3.12: {}
 
+  nanoid@5.1.11: {}
+
   natural-compare@1.4.0: {}
 
   negotiator@1.0.0: {}
diff --git a/src/components/generic/AssetPickerSheet.jsx b/src/components/generic/AssetPickerSheet.jsx
index 1fe91b4..ab7a77a 100644
--- a/src/components/generic/AssetPickerSheet.jsx
+++ b/src/components/generic/AssetPickerSheet.jsx
@@ -1,21 +1,13 @@
-import { useEffect, useState } from "react";
+import { useEffect, useState, useCallback } from "react";
 import { Search, CheckCircle2 } from "lucide-react";
 
-import {
-    Sheet,
-    SheetContent,
-    SheetHeader,
-    SheetTitle,
-    SheetDescription,
-} from "@/components/ui/sheet";
+import { Sheet, SheetContent, SheetHeader, SheetTitle, SheetDescription, } from "@/components/ui/sheet";
 import { Input }   from "@/components/ui/input";
+import { Button }  from "@/components/ui/button";
 import { Spinner } from "@/components/ui/spinner";
-import { Badge }   from "@/components/ui/badge";
 
 import { useAssets } from "@/contexts/AdminAssetsContext";
 
-// ─── Empty ────────────────────────────────────────────────────────────────────
-
 function EmptyState({ fileType }) {
     return (
         <div className="flex flex-col items-center justify-center h-48 gap-2">
@@ -26,8 +18,6 @@ function EmptyState({ fileType }) {
     );
 }
 
-// ─── Asset Card ───────────────────────────────────────────────────────────────
-
 function AssetCard({ asset, selected, onSelect }) {
     const thumb = asset.thumbnail_url ?? asset.file_url;
 
@@ -43,7 +33,6 @@ function AssetCard({ asset, selected, onSelect }) {
                     : "border-border",
             ].join(" ")}
         >
-            {/* Thumbnail */}
             <div className="aspect-video bg-muted w-full overflow-hidden">
                 {thumb ? (
                     <img
@@ -57,13 +46,9 @@ function AssetCard({ asset, selected, onSelect }) {
                     </div>
                 )}
             </div>
-
-            {/* Name */}
             <div className="p-2">
                 <p className="text-xs font-medium truncate">{asset.display_name}</p>
             </div>
-
-            {/* Selected checkmark */}
             {selected && (
                 <div className="absolute top-1.5 right-1.5">
                     <CheckCircle2 className="h-5 w-5 text-primary fill-white" />
@@ -73,33 +58,39 @@ function AssetCard({ asset, selected, onSelect }) {
     );
 }
 
-// ─── Sheet ────────────────────────────────────────────────────────────────────
-
 export function AssetPickerSheet({ open, onOpenChange, fileType, onSelect }) {
     const { fetchAssets, assets, pagination, loading } = useAssets();
-    const [search,   setSearch]   = useState("");
-    const [page,     setPage]     = useState(1);
-    const [selected, setSelected] = useState(null);
+
+    const [search,    setSearch]    = useState("");
+    const [committed, setCommitted] = useState(""); // ← only updates on search trigger
+    const [page,      setPage]      = useState(1);
+    const [selected,  setSelected]  = useState(null);
 
     const LIMIT = 12;
 
-    // ── Fetch on open / search / page change ──────────────────────────────────
+    const triggerSearch = useCallback(() => {
+        setCommitted(search);
+        setPage(1);
+    }, [search]);
+
+    // ── Fetch only when committed search, page, or open changes ──────────────
     useEffect(() => {
         if (!open) return;
         fetchAssets({
             page,
             limit: LIMIT,
             filters: [
-                ...(fileType ? [{ id: "file_type", value: [fileType] }] : []),
-                ...(search   ? [{ id: "display_name", value: [search] }] : []),
+                ...(fileType   ? [{ id: "file_type",     value: [fileType]   }] : []),
+                ...(committed  ? [{ id: "display_name",  value: [committed]  }] : []),
             ],
         });
-    }, [open, page, search, fileType]);
+    }, [open, page, committed, fileType]);
 
     // ── Reset on close ────────────────────────────────────────────────────────
     useEffect(() => {
         if (!open) {
             setSearch("");
+            setCommitted("");
             setPage(1);
             setSelected(null);
         }
@@ -129,14 +120,24 @@ export function AssetPickerSheet({ open, onOpenChange, fileType, onSelect }) {
 
                 {/* ── Search ── */}
                 <div className="px-6 py-3 border-b">
-                    <div className="relative">
-                        <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
-                        <Input
-                            placeholder={`Search ${label.toLowerCase()}…`}
-                            value={search}
-                            onChange={(e) => { setSearch(e.target.value); setPage(1); }}
-                            className="pl-9"
-                        />
+                    <div className="flex gap-2">
+                        <div className="relative flex-1">
+                            <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+                            <Input
+                                placeholder={`Search ${label.toLowerCase()}…`}
+                                value={search}
+                                onChange={(e) => setSearch(e.target.value)}
+                                onKeyDown={(e) => e.key === "Enter" && triggerSearch()}
+                                className="pl-9"
+                            />
+                        </div>
+                        <Button
+                            type="button"
+                            onClick={triggerSearch}
+                            disabled={loading}
+                        >
+                            {loading ? <Spinner className="h-4 w-4" /> : "Search"}
+                        </Button>
                     </div>
                 </div>
 
diff --git a/src/components/generic/BlockList.jsx b/src/components/generic/BlockList.jsx
index 7e1fe54..72a4517 100644
--- a/src/components/generic/BlockList.jsx
+++ b/src/components/generic/BlockList.jsx
@@ -1,66 +1,84 @@
 // components/generic/CMS/BlockList.jsx
 
-import { BlockWrapper } from "./BlockWrapper";
-import { TextBlock } from "./Blocks/TextBlock";
-import { ImageBlock } from "./Blocks/ImageBlock";
+import { BlockWrapper }   from "./BlockWrapper";
+import { TextBlock }      from "./Blocks/TextBlock";
+import { ImageBlock }     from "./Blocks/ImageBlock";
 import { TextImageBlock } from "./Blocks/TextImageBlock";
-import { VideoBlock } from "./Blocks/VideoBlock";
+import { VideoBlock }     from "./Blocks/VideoBlock";
 import { TextVideoBlock } from "./Blocks/TextVideoBlock";
 
 // ─── Block renderer ───────────────────────────────────────────────────────────
+//
+// blockId is forwarded to TextBlock (and any future rich-text blocks) so the
+// WYSIWYG editor knows exactly when to seed its innerHTML from saved data.
 
-function BlockContent({ type, content, onUpdate }) {
-    switch (type) {
-        case "text":       return <TextBlock       content={content} onUpdate={onUpdate} />;
-        case "image":      return <ImageBlock      content={content} onUpdate={onUpdate} />;
-        case "text-image": return <TextImageBlock  content={content} onUpdate={onUpdate} />;
-        case "video":      return <VideoBlock      content={content} onUpdate={onUpdate} />;
-        case "text-video": return <TextVideoBlock  content={content} onUpdate={onUpdate} />;
-        default:           return <p className="text-sm text-muted-foreground">Unknown block type.</p>;
-    }
+function BlockContent({ block, onUpdate }) {
+  const { id, type, content } = block;
+
+  switch (type) {
+    case "text":
+      return (
+        <TextBlock
+          blockId={id}
+          content={content}
+          onUpdate={onUpdate}
+        />
+      );
+    case "image":
+      return <ImageBlock      content={content} onUpdate={onUpdate} />;
+    case "text-image":
+      return <TextImageBlock  blockId={id} content={content} onUpdate={onUpdate} />;
+    case "video":
+      return <VideoBlock      content={content} onUpdate={onUpdate} />;
+    case "text-video":
+      return <TextVideoBlock  blockId={id} content={content} onUpdate={onUpdate} />;
+    default:
+      return <p className="text-sm text-muted-foreground">Unknown block type.</p>;
+  }
 }
 
 // ─── Default content per type ─────────────────────────────────────────────────
 
 export const DEFAULT_CONTENT = {
-    "text":       { body: "" },
-    "image":      { asset_id: null, url: "", alt: "" },
-    "text-image": { body: "", asset_id: null, url: "", alt: "", image_position: "right" },
-    "video":      { asset_id: null, url: "", thumbnail_url: "" },
-    "text-video": { body: "", asset_id: null, url: "", thumbnail_url: "", video_position: "right" },
+  "text":       { body: "" },
+  "image":      { asset_id: null, url: "", alt: "" },
+  "text-image": { body: "", asset_id: null, url: "", alt: "", image_position: "right" },
+  "video":      { asset_id: null, url: "", thumbnail_url: "" },
+  "text-video": { body: "", asset_id: null, url: "", thumbnail_url: "", video_position: "right" },
 };
 
 // ─── List ─────────────────────────────────────────────────────────────────────
 
 export function BlockList({ blocks, onUpdate, onMove, onDelete }) {
-    if (!blocks.length) {
-        return (
-            <div className="flex flex-col items-center justify-center rounded-lg border-2 border-dashed border-muted-foreground/20 py-16 gap-2">
-                <p className="text-sm text-muted-foreground">No blocks yet.</p>
-                <p className="text-xs text-muted-foreground">Use the button below to add your first block.</p>
-            </div>
-        );
-    }
-
+  if (!blocks.length) {
     return (
-        <div className="flex flex-col gap-3">
-            {blocks.map((block, index) => (
-                <BlockWrapper
-                    key={block.id}
-                    type={block.type}
-                    index={index}
-                    total={blocks.length}
-                    onMoveUp={()     => onMove(block.id, "up")}
-                    onMoveDown={()   => onMove(block.id, "down")}
-                    onDelete={()     => onDelete(block.id)}
-                >
-                    <BlockContent
-                        type={block.type}
-                        content={block.content}
-                        onUpdate={(updated) => onUpdate(block.id, updated)}
-                    />
-                </BlockWrapper>
-            ))}
-        </div>
+      <div className="flex flex-col items-center justify-center rounded-lg border-2 border-dashed border-muted-foreground/20 py-16 gap-2">
+        <p className="text-sm text-muted-foreground">No blocks yet.</p>
+        <p className="text-xs text-muted-foreground">
+          Use the button below to add your first block.
+        </p>
+      </div>
     );
+  }
+
+  return (
+    <div className="flex flex-col gap-3">
+      {blocks.map((block, index) => (
+        <BlockWrapper
+          key={block.id}
+          type={block.type}
+          index={index}
+          total={blocks.length}
+          onMoveUp={()   => onMove(block.id, "up")}
+          onMoveDown={()  => onMove(block.id, "down")}
+          onDelete={()    => onDelete(block.id)}
+        >
+          <BlockContent
+            block={block}
+            onUpdate={(updated) => onUpdate(block.id, updated)}
+          />
+        </BlockWrapper>
+      ))}
+    </div>
+  );
 }
\ No newline at end of file
diff --git a/src/components/generic/Blocks/TextBlock.jsx b/src/components/generic/Blocks/TextBlock.jsx
index d456cf6..3bf1f65 100644
--- a/src/components/generic/Blocks/TextBlock.jsx
+++ b/src/components/generic/Blocks/TextBlock.jsx
@@ -1,18 +1,457 @@
-// components/generic/CMS/blocks/TextBlock.jsx
+// components/generic/CMS/Blocks/TextBlock.jsx
 
-import { Textarea } from "@/components/ui/textarea";
-import { Label }    from "@/components/ui/label";
+import { useEffect, useRef, useState } from "react";
+import {
+  Bold, Italic, Underline,
+  AlignLeft, AlignCenter, AlignRight, AlignJustify,
+  List, ListOrdered, Indent, Outdent,
+  Link2, FileText, Table,
+} from "lucide-react";
+import { Label } from "@/components/ui/label";
+import { AssetPickerSheet } from "../AssetPickerSheet";
+import { cn } from "@/lib/utils";
 
-export function TextBlock({ content, onUpdate }) {
-    return (
-        <div className="space-y-1.5">
-            <Label>Content</Label>
-            <Textarea
-                placeholder="Enter text content..."
-                rows={4}
-                value={content.body ?? ""}
-                onChange={(e) => onUpdate({ ...content, body: e.target.value })}
-            />
+// ─── Toolbar button ───────────────────────────────────────────────────────────
+
+function ToolbarBtn({ title, onMouseDown, active, children }) {
+  return (
+    <button
+      type="button"
+      title={title}
+      onMouseDown={onMouseDown}
+      className={cn(
+        "h-7 w-7 flex items-center justify-center rounded text-muted-foreground",
+        "hover:bg-accent hover:text-accent-foreground transition-colors shrink-0",
+        active && "bg-accent text-accent-foreground"
+      )}
+    >
+      {children}
+    </button>
+  );
+}
+
+// ─── Toolbar divider ──────────────────────────────────────────────────────────
+
+function Divider() {
+  return <span className="w-px h-4 bg-border mx-0.5 shrink-0" />;
+}
+
+// ─── Format options ───────────────────────────────────────────────────────────
+
+const FORMAT_OPTIONS = [
+  { label: "Paragraph", val: "p" },
+  { label: "Heading 1", val: "h1" },
+  { label: "Heading 2", val: "h2" },
+  { label: "Heading 3", val: "h3" },
+];
+
+// ─── Shared styles ────────────────────────────────────────────────────────────
+
+export const WYSIWYG_STYLES = `
+  .wysiwyg-editor { line-height: 1.7; }
+
+  .wysiwyg-editor h1, .wysiwyg-preview h1 { font-size: 1.875rem; font-weight: 700; margin: 1.25rem 0 0.5rem; line-height: 1.2; }
+  .wysiwyg-editor h2, .wysiwyg-preview h2 { font-size: 1.5rem;   font-weight: 600; margin: 1.25rem 0 0.5rem; line-height: 1.3; }
+  .wysiwyg-editor h3, .wysiwyg-preview h3 { font-size: 1.25rem;  font-weight: 600; margin: 1.25rem 0 0.5rem; line-height: 1.4; }
+
+  .wysiwyg-editor p,
+  .wysiwyg-preview p {
+    margin: 0 0 0.85rem 0;
+    text-align: justify;
+    line-height: 1.75;
+  }
+
+  .wysiwyg-editor ul, .wysiwyg-preview ul { list-style: disc;    padding-left: 1.5rem; margin: 0.5rem 0 0.85rem; }
+  .wysiwyg-editor ol, .wysiwyg-preview ol { list-style: decimal; padding-left: 1.5rem; margin: 0.5rem 0 0.85rem; }
+
+  .wysiwyg-editor li, .wysiwyg-preview li {
+    margin-bottom: 0.4rem;
+    line-height: 1.75;
+    text-align: justify;
+  }
+
+  .wysiwyg-editor a,  .wysiwyg-preview a  { color: hsl(var(--primary)); text-decoration: underline; }
+
+  .wysiwyg-editor a.doc-link,
+  .wysiwyg-preview a.doc-link {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.3rem;
+    padding: 0.1rem 0.5rem;
+    border-radius: 0.375rem;
+    background: hsl(var(--muted));
+    color: hsl(var(--foreground));
+    font-size: 0.8125rem;
+    text-decoration: none;
+    border: 1px solid hsl(var(--border));
+  }
+  .wysiwyg-editor a.doc-link::before,
+  .wysiwyg-preview a.doc-link::before {
+    content: "📄";
+    font-size: 0.75rem;
+  }
+
+  .wysiwyg-editor table,
+  .wysiwyg-preview table {
+    width: 100%;
+    border-collapse: separate;
+    border-spacing: 0;
+    margin: 0.75rem 0;
+    font-size: 0.875rem;
+    table-layout: fixed;
+    border: 1.5px solid #cbd5e1;
+    border-radius: 0.375rem;
+    overflow: hidden;
+  }
+
+  .wysiwyg-editor th,
+  .wysiwyg-preview th {
+    background: #f1f5f9;
+    color: #1e293b;
+    font-weight: 600;
+    text-align: left;
+    padding: 0.5rem 0.75rem;
+    word-break: break-word;
+    box-shadow: inset -1.5px -1.5px 0 #cbd5e1, inset 1.5px 1.5px 0 #cbd5e1;
+  }
+
+  .wysiwyg-editor td,
+  .wysiwyg-preview td {
+    padding: 0.45rem 0.75rem;
+    vertical-align: top;
+    word-break: break-word;
+    min-width: 2rem;
+    box-shadow: inset -1.5px -1.5px 0 #cbd5e1, inset 1.5px 1.5px 0 #cbd5e1;
+  }
+
+  .wysiwyg-preview tr:nth-child(even) td {
+    background: #f8fafc;
+  }
+
+  .wysiwyg-editor td:focus,
+  .wysiwyg-editor th:focus {
+    outline: 2px solid hsl(var(--ring));
+    outline-offset: -2px;
+    background: hsl(var(--accent) / 0.2);
+  }
+`;
+
+// ─── Table picker popover ─────────────────────────────────────────────────────
+// A small grid that lets the user hover to choose rows × columns (up to 8×8),
+// then click to confirm. Rendered inline in the toolbar.
+
+const MAX_ROWS = 8;
+const MAX_COLS = 8;
+
+function TablePicker({ onInsert, onClose }) {
+  const [hovered, setHovered] = useState({ r: 0, c: 0 });
+
+  return (
+    // Overlay — clicking outside closes the picker without inserting
+    <div className="fixed inset-0 z-50" onMouseDown={onClose}>
+      <div
+        className="absolute z-50 bg-popover border rounded-lg shadow-lg p-3 flex flex-col gap-2"
+        style={{ top: "var(--table-picker-y, 40px)", left: "var(--table-picker-x, 0px)" }}
+        onMouseDown={(e) => e.stopPropagation()}
+      >
+        {/* Label */}
+        <p className="text-xs text-muted-foreground select-none">
+          {hovered.r > 0 && hovered.c > 0
+            ? `${hovered.r} × ${hovered.c} table`
+            : "Hover to select size"}
+        </p>
+
+        {/* Grid */}
+        <div
+          className="grid gap-0.5"
+          style={{ gridTemplateColumns: `repeat(${MAX_COLS}, 1.25rem)` }}
+        >
+          {Array.from({ length: MAX_ROWS }, (_, r) =>
+            Array.from({ length: MAX_COLS }, (_, c) => (
+              <div
+                key={`${r}-${c}`}
+                onMouseEnter={() => setHovered({ r: r + 1, c: c + 1 })}
+                onClick={() => {
+                  onInsert(hovered.r, hovered.c);
+                  onClose();
+                }}
+                className={cn(
+                  "h-5 w-5 rounded-sm border cursor-pointer transition-colors",
+                  r < hovered.r && c < hovered.c
+                    ? "bg-primary/20 border-primary/50"
+                    : "bg-muted border-border"
+                )}
+              />
+            ))
+          )}
         </div>
-    );
+      </div>
+    </div>
+  );
+}
+
+// ─── RichTextEditor ───────────────────────────────────────────────────────────
+
+export function RichTextEditor({ blockId, value, onChange }) {
+  const editorRef      = useRef(null);
+  const initializedFor = useRef(null);
+  const savedRange     = useRef(null);
+  const tableButtonRef = useRef(null);
+
+  const [docPickerOpen,   setDocPickerOpen]   = useState(false);
+  const [tablePickerOpen, setTablePickerOpen] = useState(false);
+
+  // ── Seed innerHTML exactly once per blockId ────────────────────────────────
+  useEffect(() => {
+    if (!editorRef.current) return;
+    if (initializedFor.current === blockId) return;
+    editorRef.current.innerHTML = value ?? "";
+    initializedFor.current = blockId;
+  }, [blockId, value]);
+
+  // ── Position the table picker below its toolbar button ────────────────────
+  useEffect(() => {
+    if (!tablePickerOpen || !tableButtonRef.current) return;
+    const rect = tableButtonRef.current.getBoundingClientRect();
+    document.documentElement.style.setProperty("--table-picker-y", `${rect.bottom + 6}px`);
+    document.documentElement.style.setProperty("--table-picker-x", `${rect.left}px`);
+  }, [tablePickerOpen]);
+
+  // ── execCommand helpers ────────────────────────────────────────────────────
+
+  const exec = (cmd, val = null) => {
+    editorRef.current?.focus();
+    document.execCommand(cmd, false, val);
+  };
+
+  const applyFormat = (val) => {
+    editorRef.current?.focus();
+    document.execCommand("formatBlock", false, `<${val}>`);
+  };
+
+  const isActive = (cmd) => {
+    try { return document.queryCommandState(cmd); } catch { return false; }
+  };
+
+  // ── URL link ──────────────────────────────────────────────────────────────
+
+  const insertUrlLink = () => {
+    const url = window.prompt("Enter URL:", "https://");
+    if (url) exec("createLink", url);
+  };
+
+  // ── Document link ─────────────────────────────────────────────────────────
+
+  const openDocPicker = () => {
+    const sel = window.getSelection();
+    if (sel && sel.rangeCount > 0) {
+      savedRange.current = sel.getRangeAt(0).cloneRange();
+    }
+    setDocPickerOpen(true);
+  };
+
+  const handleDocSelect = (asset) => {
+    setDocPickerOpen(false);
+    const url   = asset.file_url;
+    const label = asset.display_name ?? "Document";
+
+    editorRef.current?.focus();
+    const sel = window.getSelection();
+    if (savedRange.current && sel) {
+      sel.removeAllRanges();
+      sel.addRange(savedRange.current);
+    }
+
+    const html = `<a href="${url}" class="doc-link" target="_blank" rel="noopener noreferrer">${label}</a>`;
+    document.execCommand("insertHTML", false, html);
+    onChange(editorRef.current.innerHTML);
+    savedRange.current = null;
+  };
+
+  // ── Table insertion ────────────────────────────────────────────────────────
+  // Builds a <table> with a header row (th) + (rows-1) data rows.
+  // Each cell is contenteditable (inherited from the editor).
+  // A paragraph after the table lets the user continue typing below it.
+
+  const insertTable = (rows, cols) => {
+    if (rows < 1 || cols < 1) return;
+
+    // Save cursor before opening picker collapses it
+    editorRef.current?.focus();
+    const sel = window.getSelection();
+    if (savedRange.current && sel) {
+      sel.removeAllRanges();
+      sel.addRange(savedRange.current);
+    }
+
+    // Build header row
+    const headerCells = Array.from({ length: cols })
+      .map((_, i) => `<th>Column ${i + 1}</th>`)
+      .join("");
+
+    // Build body rows
+    const bodyRows = Array.from({ length: rows - 1 })
+      .map(() =>
+        `<tr>${Array.from({ length: cols }).map(() => "<td><br></td>").join("")}</tr>`
+      )
+      .join("");
+
+    const tableHTML = `
+      <table>
+        <thead><tr>${headerCells}</tr></thead>
+        <tbody>${bodyRows}</tbody>
+      </table>
+      <p><br></p>
+    `;
+
+    document.execCommand("insertHTML", false, tableHTML);
+    onChange(editorRef.current.innerHTML);
+    savedRange.current = null;
+  };
+
+  const openTablePicker = () => {
+    // Save current cursor so we can restore it after the picker closes
+    const sel = window.getSelection();
+    if (sel && sel.rangeCount > 0) {
+      savedRange.current = sel.getRangeAt(0).cloneRange();
+    }
+    setTablePickerOpen(true);
+  };
+
+  // ── Toolbar groups ─────────────────────────────────────────────────────────
+
+  const GROUPS = [
+    [
+      { cmd: "bold",                Icon: Bold,        title: "Bold" },
+      { cmd: "italic",              Icon: Italic,      title: "Italic" },
+      { cmd: "underline",           Icon: Underline,   title: "Underline" },
+    ],
+    [
+      { cmd: "justifyLeft",         Icon: AlignLeft,   title: "Align left" },
+      { cmd: "justifyCenter",       Icon: AlignCenter, title: "Align center" },
+      { cmd: "justifyRight",        Icon: AlignRight,  title: "Align right" },
+      { cmd: "justifyFull",         Icon: AlignJustify, title: "Justify" },
+    ],
+    [
+      { cmd: "insertUnorderedList", Icon: List,        title: "Bullet list" },
+      { cmd: "insertOrderedList",   Icon: ListOrdered, title: "Numbered list" },
+      { cmd: "indent",              Icon: Indent,      title: "Indent" },
+      { cmd: "outdent",             Icon: Outdent,     title: "Outdent" },
+    ],
+  ];
+
+  return (
+    <>
+      <div className="border rounded-md overflow-hidden focus-within:ring-2 focus-within:ring-ring">
+
+        {/* ── Toolbar ── */}
+        <div className="flex flex-wrap items-center gap-0.5 px-2 py-1.5 border-b bg-muted/40">
+
+          {/* Block format select */}
+          <select
+            className="h-7 text-xs border rounded px-1 mr-0.5 bg-background cursor-pointer shrink-0"
+            defaultValue="p"
+            onChange={(e) => applyFormat(e.target.value)}
+          >
+            {FORMAT_OPTIONS.map((o) => (
+              <option key={o.val} value={o.val}>{o.label}</option>
+            ))}
+          </select>
+
+          <Divider />
+
+          {/* Formatting groups */}
+          {GROUPS.map((group, gi) => (
+            <div key={gi} className="flex items-center gap-0.5">
+              {group.map(({ cmd, Icon, title }) => (
+                <ToolbarBtn
+                  key={cmd}
+                  title={title}
+                  active={isActive(cmd)}
+                  onMouseDown={(e) => { e.preventDefault(); exec(cmd); }}
+                >
+                  <Icon className="h-3.5 w-3.5" />
+                </ToolbarBtn>
+              ))}
+              <Divider />
+            </div>
+          ))}
+
+          {/* URL link */}
+          <ToolbarBtn
+            title="Insert URL link"
+            onMouseDown={(e) => { e.preventDefault(); insertUrlLink(); }}
+          >
+            <Link2 className="h-3.5 w-3.5" />
+          </ToolbarBtn>
+
+          {/* Document link */}
+          <ToolbarBtn
+            title="Embed document link"
+            onMouseDown={(e) => { e.preventDefault(); openDocPicker(); }}
+          >
+            <FileText className="h-3.5 w-3.5" />
+          </ToolbarBtn>
+
+          <Divider />
+
+          {/* Insert table */}
+          <ToolbarBtn
+            title="Insert table"
+            active={tablePickerOpen}
+            onMouseDown={(e) => {
+              e.preventDefault();
+              tablePickerOpen ? setTablePickerOpen(false) : openTablePicker();
+            }}
+          >
+            <span ref={tableButtonRef} className="flex items-center justify-center">
+              <Table className="h-3.5 w-3.5" />
+            </span>
+          </ToolbarBtn>
+        </div>
+
+        {/* ── Editable area ── */}
+        <div
+          ref={editorRef}
+          contentEditable
+          suppressContentEditableWarning
+          onInput={() => onChange(editorRef.current.innerHTML)}
+          className="wysiwyg-editor min-h-[120px] px-3 m-0 py-0 text-sm focus:outline-none"
+        />
+
+        <style>{WYSIWYG_STYLES}</style>
+      </div>
+
+      {/* Table size picker */}
+      {tablePickerOpen && (
+        <TablePicker
+          onInsert={insertTable}
+          onClose={() => setTablePickerOpen(false)}
+        />
+      )}
+
+      {/* Document asset picker */}
+      <AssetPickerSheet
+        open={docPickerOpen}
+        onOpenChange={setDocPickerOpen}
+        fileType="document"
+        onSelect={handleDocSelect}
+      />
+    </>
+  );
+}
+
+// ─── TextBlock ────────────────────────────────────────────────────────────────
+
+export function TextBlock({ content, onUpdate, blockId }) {
+  return (
+    <div className="space-y-1.5">
+      <Label>Content</Label>
+      <RichTextEditor
+        blockId={blockId}
+        value={content.body ?? ""}
+        onChange={(html) => onUpdate({ ...content, body: html })}
+      />
+    </div>
+  );
 }
\ No newline at end of file
diff --git a/src/components/generic/Blocks/TextImageBlock.jsx b/src/components/generic/Blocks/TextImageBlock.jsx
index ff9c312..b2230f8 100644
--- a/src/components/generic/Blocks/TextImageBlock.jsx
+++ b/src/components/generic/Blocks/TextImageBlock.jsx
@@ -1,10 +1,9 @@
-// components/generic/CMS/blocks/TextImageBlock.jsx
+// components/generic/CMS/Blocks/TextImageBlock.jsx
 
 import { useState } from "react";
 import { ImageIcon } from "lucide-react";
 import { Label } from "@/components/ui/label";
 import { Input } from "@/components/ui/input";
-import { Textarea } from "@/components/ui/textarea";
 import {
   Select,
   SelectContent,
@@ -12,15 +11,16 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import { RichTextEditor } from "./TextBlock";   // reuse the shared editor
 import { AssetPickerSheet } from "../AssetPickerSheet";
 
-export function TextImageBlock({ content, onUpdate }) {
+export function TextImageBlock({ content, onUpdate, blockId }) {
   const [pickerOpen, setPickerOpen] = useState(false);
 
   return (
     <div className="space-y-4">
 
-      {/* ── Layout ── */}
+      {/* ── Image position ── */}
       <div className="space-y-1.5 max-w-[200px]">
         <Label>Image Position</Label>
         <Select
@@ -35,19 +35,15 @@ export function TextImageBlock({ content, onUpdate }) {
         </Select>
       </div>
 
-      <div className={[
-        "grid gap-4",
-        "grid-cols-1 md:grid-cols-2",
-      ].join(" ")}>
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
 
-        {/* ── Text side ── */}
+        {/* ── Text side — WYSIWYG ── */}
         <div className="space-y-1.5">
           <Label>Content</Label>
-          <Textarea
-            placeholder="Enter text content..."
-            rows={5}
+          <RichTextEditor
+            blockId={`${blockId}_text`}
             value={content.body ?? ""}
-            onChange={(e) => onUpdate({ ...content, body: e.target.value })}
+            onChange={(html) => onUpdate({ ...content, body: html })}
           />
         </div>
 
@@ -108,4 +104,4 @@ export function TextImageBlock({ content, onUpdate }) {
       />
     </div>
   );
-}
+}
\ No newline at end of file
diff --git a/src/components/generic/Blocks/TextVideoBlock.jsx b/src/components/generic/Blocks/TextVideoBlock.jsx
index 30ff5a0..b86cd24 100644
--- a/src/components/generic/Blocks/TextVideoBlock.jsx
+++ b/src/components/generic/Blocks/TextVideoBlock.jsx
@@ -1,7 +1,8 @@
+// components/generic/CMS/Blocks/TextVideoBlock.jsx
+
 import { useState } from "react";
 import { VideoIcon } from "lucide-react";
 import { Label } from "@/components/ui/label";
-import { Textarea } from "@/components/ui/textarea";
 import {
   Select,
   SelectContent,
@@ -9,9 +10,10 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import { RichTextEditor } from "./TextBlock";   // reuse the shared editor
 import { AssetPickerSheet } from "../AssetPickerSheet";
 
-export function TextVideoBlock({ content, onUpdate }) {
+export function TextVideoBlock({ content, onUpdate, blockId }) {
   const [pickerOpen, setPickerOpen] = useState(false);
 
   const thumb = content.thumbnail_url ?? null;
@@ -19,7 +21,7 @@ export function TextVideoBlock({ content, onUpdate }) {
   return (
     <div className="space-y-4">
 
-      {/* ── Layout ── */}
+      {/* ── Video position ── */}
       <div className="space-y-1.5 max-w-[200px]">
         <Label>Video Position</Label>
         <Select
@@ -36,14 +38,13 @@ export function TextVideoBlock({ content, onUpdate }) {
 
       <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
 
-        {/* ── Text side ── */}
+        {/* ── Text side — WYSIWYG ── */}
         <div className="space-y-1.5">
           <Label>Content</Label>
-          <Textarea
-            placeholder="Enter text content..."
-            rows={5}
+          <RichTextEditor
+            blockId={`${blockId}_text`}
             value={content.body ?? ""}
-            onChange={(e) => onUpdate({ ...content, body: e.target.value })}
+            onChange={(html) => onUpdate({ ...content, body: html })}
           />
         </div>
 
@@ -105,4 +106,4 @@ export function TextVideoBlock({ content, onUpdate }) {
       />
     </div>
   );
-}
+}
\ No newline at end of file
diff --git a/src/components/generic/Table/DataTable.jsx b/src/components/generic/Table/DataTable.jsx
index a642e58..9470813 100644
--- a/src/components/generic/Table/DataTable.jsx
+++ b/src/components/generic/Table/DataTable.jsx
@@ -259,6 +259,7 @@ export default function DataTable({
                             isOpen={activeColumn === header.column.id}
                             onOpenChange={(isOpen) => setActiveColumn(isOpen ? header.column.id : null)}
                             onFilterClick={(e) => handleOpenFilterSheet(e, header.column, attr)}
+                            showFilter={attr?.filterable}
                           />
                         )}
                       </TableHead>
diff --git a/src/components/ui/switch.jsx b/src/components/ui/switch.jsx
index 2d3255b..022d99c 100644
--- a/src/components/ui/switch.jsx
+++ b/src/components/ui/switch.jsx
@@ -1,5 +1,3 @@
-"use client"
-
 import * as React from "react"
 import { Switch as SwitchPrimitive } from "radix-ui"
 
diff --git a/src/contexts/AdminCoursesContext.jsx b/src/contexts/AdminCoursesContext.jsx
index ae58b63..6a79c4e 100644
--- a/src/contexts/AdminCoursesContext.jsx
+++ b/src/contexts/AdminCoursesContext.jsx
@@ -23,6 +23,8 @@ const PAGINATION_INIT = {
 
 const BASE = "/admin/courses";
 
+// ─── Provider ─────────────────────────────────────────────────────────────────
+
 export function CoursesProvider({ children }) {
 
   // ─── State ────────────────────────────────────────────────────────────────
@@ -33,6 +35,10 @@ export function CoursesProvider({ children }) {
   const [lessons, setLessons] = useState([]);
   const [lesson, setLesson] = useState(null);
   const [lessonPage, setLessonPage] = useState(null);
+  const [prerequisites, setPrerequisites] = useState([]);
+  const [quiz, setQuiz] = useState(null);
+  const [questions, setQuestions] = useState([]);
+  const [assessment, setAssessment] = useState(null);
   const [attributes, setAttributes] = useState([]);
   const [pagination, setPagination] = useState(PAGINATION_INIT);
   const [loading, setLoading] = useState(false);
@@ -44,23 +50,20 @@ export function CoursesProvider({ children }) {
       return await fn();
     } catch (err) {
       const message = err?.response?.data?.message ?? "Something went wrong.";
-      toast.error(message);
+      if (err.status === 404 && message) toast.warning(message);
+      else toast.error(message);
       return null;
     } finally {
       setLoading(false);
     }
   }, []);
 
-  // =========================================================================
-  // ─── COURSES ─────────────────────────────────────────────────────────────
-  // =========================================================================
-
-  // ─── GET /admin/courses ───────────────────────────────────────────────────
-  const fetchCourses = useCallback(
-    (params = {}) =>
+  // ─── Paginated GET helper ─────────────────────────────────────────────────
+  const paginatedGet = useCallback(
+    (url, setter, params = {}) =>
       request(async () => {
         const { filters, sort, ...rest } = params;
-        const { data } = await api.get(BASE, {
+        const { data } = await api.get(url, {
           params: {
             ...rest,
             ...(filters?.length ? { filters: JSON.stringify(filters) } : {}),
@@ -68,15 +71,23 @@ export function CoursesProvider({ children }) {
           },
         });
         const final_data = data?.data;
-        setCourses(final_data?.data ?? []);
+        setter(final_data?.data ?? []);
         setPagination(final_data?.pagination ?? PAGINATION_INIT);
         if (final_data?.attributes?.length) setAttributes(final_data.attributes);
         return data;
       }),
-    [request]
+    [request],
+  );
+
+  // =========================================================================
+  // COURSES
+  // =========================================================================
+
+  const fetchCourses = useCallback(
+    (params = {}) => paginatedGet(BASE, setCourses, params),
+    [paginatedGet],
   );
 
-  // ─── GET /admin/courses/:courseId ─────────────────────────────────────────
   const fetchCourse = useCallback(
     (courseId) =>
       request(async () => {
@@ -84,12 +95,13 @@ export function CoursesProvider({ children }) {
         const result = data?.data?.data ?? null;
         setCourse(result);
         setUnits(result?.units ?? []);
+        setPrerequisites(result?.prerequisites ?? []);
+        setAssessment(result?.assessment ?? null);
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── POST /admin/courses ──────────────────────────────────────────────────
   const createCourse = useCallback(
     (payload) =>
       request(async () => {
@@ -101,14 +113,13 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── PATCH /admin/courses/:courseId ───────────────────────────────────────
   const updateCourse = useCallback(
     (courseId, payload) =>
       request(async () => {
-        const { data } = await api.patch(`${BASE}/${courseId}`, payload);
+        const { data } = await api.put(`${BASE}/${courseId}`, payload);
         const course = data?.data?.data ?? null;
         if (course) {
           setCourses((prev) => prev.map((c) => (c.course_id === courseId ? course : c)));
@@ -117,48 +128,111 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── DELETE /admin/courses/:courseId ──────────────────────────────────────
-  const deleteCourse = useCallback(
+  const archiveCourse = useCallback(
     (courseId) =>
       request(async () => {
         const { data } = await api.delete(`${BASE}/${courseId}`);
         setCourses((prev) => prev.filter((c) => c.course_id !== courseId));
         setCourse((prev) => (prev?.course_id === courseId ? null : prev));
-        toast.success("Course deleted.");
+        toast.success("Course archived.");
         return data;
       }),
-    [request]
+    [request],
+  );
+
+  const archiveCourses = useCallback(
+    ({ ids }) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/bulk`, { data: { ids } });
+        setCourses((prev) => prev.filter((c) => !ids.includes(c.course_id)));
+        toast.success("Courses archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Course Archives & Restore ─────────────────────────────────────────────
+
+  const fetchArchivedCourses = useCallback(
+    (params = {}) => paginatedGet(`${BASE}/archives`, setCourses, params),
+    [paginatedGet],
+  );
+
+  const fetchArchivedCourse = useCallback(
+    (courseId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/archives/${courseId}`);
+        const result = data?.data?.data ?? null;
+        setCourse(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreCourse = useCallback(
+    (courseId) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/restore`);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setCourses((prev) => prev.filter((c) => c.course_id !== courseId));
+          toast.success("Course restored.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreCourses = useCallback(
+    ({ ids }) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/restore/bulk`, { ids });
+        setCourses((prev) => prev.filter((c) => !ids.includes(c.course_id)));
+        toast.success("Courses restored.");
+        return data;
+      }),
+    [request],
   );
 
   // =========================================================================
-  // ─── UNITS ───────────────────────────────────────────────────────────────
+  // PREREQUISITES
+  // =========================================================================
+
+  const fetchPrerequisites = useCallback(
+    (courseId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/prerequisites`);
+        const result = data?.data?.data ?? [];
+        setPrerequisites(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const syncPrerequisites = useCallback(
+    (courseId, prerequisites) =>
+      request(async () => {
+        const { data } = await api.put(`${BASE}/${courseId}/prerequisites`, { prerequisites });
+        setPrerequisites(prerequisites);
+        toast.success("Prerequisites updated.");
+        return data;
+      }),
+    [request],
+  );
+
+  // =========================================================================
+  // UNITS
   // =========================================================================
 
-  // ─── GET /admin/courses/:courseId/units ───────────────────────────────────
   const fetchUnits = useCallback(
     (courseId, params = {}) =>
-      request(async () => {
-        const { filters, sort, ...rest } = params;
-        const { data } = await api.get(`${BASE}/${courseId}/units`, {
-          params: {
-            ...rest,
-            ...(filters?.length ? { filters: JSON.stringify(filters) } : {}),
-            ...(sort?.length ? { sort: JSON.stringify(sort) } : {}),
-          },
-        });
-        const final_data = data?.data;
-        setUnits(final_data?.data ?? []);
-        setPagination(final_data?.pagination ?? PAGINATION_INIT);
-        if (final_data?.attributes?.length) setAttributes(final_data.attributes);
-        return data;
-      }),
-    [request]
+      paginatedGet(`${BASE}/${courseId}/units`, setUnits, params),
+    [paginatedGet],
   );
 
-  // ─── GET /admin/courses/:courseId/units/:unitId ───────────────────────────
   const fetchUnit = useCallback(
     (courseId, unitId) =>
       request(async () => {
@@ -166,12 +240,12 @@ export function CoursesProvider({ children }) {
         const result = data?.data?.data ?? null;
         setUnit(result);
         setLessons(result?.lessons ?? []);
+        setQuiz(result?.quiz ?? null);
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── POST /admin/courses/:courseId/units ──────────────────────────────────
   const createUnit = useCallback(
     (courseId, payload) =>
       request(async () => {
@@ -183,14 +257,13 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── PATCH /admin/courses/:courseId/units/:unitId ─────────────────────────
   const updateUnit = useCallback(
     (courseId, unitId, payload) =>
       request(async () => {
-        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}`, payload);
+        const { data } = await api.put(`${BASE}/${courseId}/units/${unitId}`, payload);
         const unit = data?.data?.data ?? null;
         if (unit) {
           setUnits((prev) => prev.map((u) => (u.unit_id === unitId ? unit : u)));
@@ -199,70 +272,281 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── DELETE /admin/courses/:courseId/units/:unitId ────────────────────────
   const deleteUnit = useCallback(
-    (courseId, unitId) =>
+    (courseId, unitId, deletedBy) =>
       request(async () => {
-        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}`);
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}`, { data: { deletedBy } });
         setUnits((prev) => prev.filter((u) => u.unit_id !== unitId));
         setUnit((prev) => (prev?.unit_id === unitId ? null : prev));
-        toast.success("Unit deleted.");
+        toast.success("Unit archived.");
         return data;
       }),
-    [request]
+    [request],
+  );
+
+  const bulkArchiveUnits = useCallback(
+    (courseId, ids, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/units/bulk`, { data: { ids, deletedBy } });
+        setUnits((prev) => prev.filter((u) => !ids.includes(u.unit_id)));
+        toast.success("Units archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Unit Archives & Restore ───────────────────────────────────────────────
+
+  const fetchArchivedUnits = useCallback(
+    (courseId, params = {}) =>
+      paginatedGet(`${BASE}/${courseId}/units/archives`, setUnits, params),
+    [paginatedGet],
+  );
+
+  const fetchArchivedUnit = useCallback(
+    (courseId, unitId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/archives/${unitId}`);
+        const result = data?.data?.data ?? null;
+        setUnit(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreUnit = useCallback(
+    (courseId, unitId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/restore`, { restoredBy });
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setUnits((prev) => prev.filter((u) => u.unit_id !== unitId));
+          toast.success("Unit restored.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkRestoreUnits = useCallback(
+    (courseId, ids, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/restore/bulk`, { ids, restoredBy });
+        setUnits((prev) => prev.filter((u) => !ids.includes(u.unit_id)));
+        toast.success("Units restored.");
+        return data;
+      }),
+    [request],
   );
 
   // =========================================================================
-  // ─── LESSONS ─────────────────────────────────────────────────────────────
+  // UNIT QUIZ
+  // =========================================================================
+
+  const fetchQuiz = useCallback(
+    (courseId, unitId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/quiz`);
+        const result = data?.data?.data ?? null;
+        setQuiz(result);
+        setQuestions(result?.questions ?? []);
+        return data;
+      }),
+    [request],
+  );
+
+  const createQuiz = useCallback(
+    (courseId, unitId, payload) =>
+      request(async () => {
+        const { data } = await api.post(`${BASE}/${courseId}/units/${unitId}/quiz`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuiz(result);
+          toast.success("Quiz created.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const updateQuiz = useCallback(
+    (courseId, unitId, quizId, payload) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuiz(result);
+          toast.success("Quiz updated.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const deleteQuiz = useCallback(
+    (courseId, unitId, quizId, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}`, { data: { deletedBy } });
+        setQuiz(null);
+        setQuestions([]);
+        toast.success("Quiz archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Quiz Archives & Restore ───────────────────────────────────────────────
+
+  const fetchArchivedQuiz = useCallback(
+    (courseId, unitId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/quiz/archives`);
+        const result = data?.data?.data ?? null;
+        setQuiz(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreQuiz = useCallback(
+    (courseId, unitId, quizId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/restore`, { restoredBy });
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuiz(result);
+          toast.success("Quiz restored.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  // =========================================================================
+  // QUIZ QUESTIONS
+  // =========================================================================
+
+  const fetchQuizQuestions = useCallback(
+    (courseId, unitId, quizId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions`);
+        const result = data?.data?.data ?? [];
+        setQuestions(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const createQuizQuestion = useCallback(
+    (courseId, unitId, quizId, payload) =>
+      request(async () => {
+        const { data } = await api.post(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuestions((prev) => [...prev, result]);
+          toast.success("Question added.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const updateQuizQuestion = useCallback(
+    (courseId, unitId, quizId, questionId, payload) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/${questionId}`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuestions((prev) => prev.map((q) => (q.question_id === questionId ? result : q)));
+          toast.success("Question updated.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const deleteQuizQuestion = useCallback(
+    (courseId, unitId, quizId, questionId, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/${questionId}`, { data: { deletedBy } });
+        setQuestions((prev) => prev.filter((q) => q.question_id !== questionId));
+        toast.success("Question archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkArchiveQuizQuestions = useCallback(
+    (courseId, unitId, quizId, ids, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/bulk`, { data: { ids, deletedBy } });
+        setQuestions((prev) => prev.filter((q) => !ids.includes(q.question_id)));
+        toast.success("Questions archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Quiz Question Archives & Restore ─────────────────────────────────────
+
+  const fetchArchivedQuizQuestion = useCallback(
+    (courseId, unitId, quizId, questionId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/archives/${questionId}`);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreQuizQuestion = useCallback(
+    (courseId, unitId, quizId, questionId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/${questionId}/restore`, { restoredBy });
+        toast.success("Question restored.");
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkRestoreQuizQuestions = useCallback(
+    (courseId, unitId, quizId, ids, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/quiz/${quizId}/questions/restore/bulk`, { ids, restoredBy });
+        toast.success("Questions restored.");
+        return data;
+      }),
+    [request],
+  );
+
+  // =========================================================================
+  // LESSONS
   // =========================================================================
 
-  // ─── GET /admin/courses/:courseId/units/:unitId/lessons ───────────────────
   const fetchLessons = useCallback(
     (courseId, unitId, params = {}) =>
-      request(async () => {
-        const { filters, sort, ...rest } = params;
-        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/lessons`, {
-          params: {
-            ...rest,
-            ...(filters?.length ? { filters: JSON.stringify(filters) } : {}),
-            ...(sort?.length ? { sort: JSON.stringify(sort) } : {}),
-          },
-        });
-        const final_data = data?.data;
-        setLessons(final_data?.data ?? []);
-        setPagination(final_data?.pagination ?? PAGINATION_INIT);
-        if (final_data?.attributes?.length) setAttributes(final_data.attributes);
-        return data;
-      }),
-    [request]
+      paginatedGet(`${BASE}/${courseId}/units/${unitId}/lessons`, setLessons, params),
+    [paginatedGet],
   );
 
-  // ─── GET /admin/courses/:courseId/units/:unitId/lessons/:lessonId ─────────
   const fetchLesson = useCallback(
     (courseId, unitId, lessonId) =>
       request(async () => {
-        const { data } = await api.get(
-          `${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`
-        );
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`);
         const result = data?.data?.data ?? null;
         setLesson(result);
         setLessonPage(result?.page ?? null);
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── POST /admin/courses/:courseId/units/:unitId/lessons ──────────────────
   const createLesson = useCallback(
     (courseId, unitId, payload) =>
       request(async () => {
-        const { data } = await api.post(
-          `${BASE}/${courseId}/units/${unitId}/lessons`,
-          payload
-        );
+        const { data } = await api.post(`${BASE}/${courseId}/units/${unitId}/lessons`, payload);
         const lesson = data?.data?.data ?? null;
         if (lesson) {
           setLessons((prev) => [...prev, lesson]);
@@ -270,17 +554,13 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── PATCH /admin/courses/:courseId/units/:unitId/lessons/:lessonId ───────
   const updateLesson = useCallback(
     (courseId, unitId, lessonId, payload) =>
       request(async () => {
-        const { data } = await api.patch(
-          `${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`,
-          payload
-        );
+        const { data } = await api.put(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`, payload);
         const lesson = data?.data?.data ?? null;
         if (lesson) {
           setLessons((prev) => prev.map((l) => (l.lesson_id === lessonId ? lesson : l)));
@@ -289,50 +569,95 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── DELETE /admin/courses/:courseId/units/:unitId/lessons/:lessonId ──────
   const deleteLesson = useCallback(
-    (courseId, unitId, lessonId) =>
+    (courseId, unitId, lessonId, deletedBy) =>
       request(async () => {
-        const { data } = await api.delete(
-          `${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`
-        );
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}`, { data: { deletedBy } });
         setLessons((prev) => prev.filter((l) => l.lesson_id !== lessonId));
         setLesson((prev) => (prev?.lesson_id === lessonId ? null : prev));
-        toast.success("Lesson deleted.");
+        toast.success("Lesson archived.");
         return data;
       }),
-    [request]
+    [request],
+  );
+
+  const bulkArchiveLessons = useCallback(
+    (courseId, unitId, ids, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/units/${unitId}/lessons/bulk`, { data: { ids, deletedBy } });
+        setLessons((prev) => prev.filter((l) => !ids.includes(l.lesson_id)));
+        toast.success("Lessons archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Lesson Archives & Restore ─────────────────────────────────────────────
+
+  const fetchArchivedLessons = useCallback(
+    (courseId, unitId, params = {}) =>
+      paginatedGet(`${BASE}/${courseId}/units/${unitId}/lessons/archives`, setLessons, params),
+    [paginatedGet],
+  );
+
+  const fetchArchivedLesson = useCallback(
+    (courseId, unitId, lessonId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/lessons/archives/${lessonId}`);
+        const result = data?.data?.data ?? null;
+        setLesson(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreLesson = useCallback(
+    (courseId, unitId, lessonId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}/restore`, { restoredBy });
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setLessons((prev) => prev.filter((l) => l.lesson_id !== lessonId));
+          toast.success("Lesson restored.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkRestoreLessons = useCallback(
+    (courseId, unitId, ids, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/units/${unitId}/lessons/restore/bulk`, { ids, restoredBy });
+        setLessons((prev) => prev.filter((l) => !ids.includes(l.lesson_id)));
+        toast.success("Lessons restored.");
+        return data;
+      }),
+    [request],
   );
 
   // =========================================================================
-  // ─── LESSON PAGE ─────────────────────────────────────────────────────────
+  // LESSON PAGE
   // =========================================================================
 
-  // ─── GET .../lessons/:lessonId/page ───────────────────────────────────────
   const fetchLessonPage = useCallback(
     (courseId, unitId, lessonId) =>
       request(async () => {
-        const { data } = await api.get(
-          `${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}/page`
-        );
+        const { data } = await api.get(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}/page`);
         const page = data?.data?.data ?? null;
         setLessonPage(page);
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── PUT .../lessons/:lessonId/page ───────────────────────────────────────
   const saveLessonPage = useCallback(
     (courseId, unitId, lessonId, payload) =>
       request(async () => {
-        const { data } = await api.put(
-          `${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}/page`,
-          payload
-        );
+        const { data } = await api.put(`${BASE}/${courseId}/units/${unitId}/lessons/${lessonId}/page`, payload);
         const page = data?.data?.data ?? null;
         if (page) {
           setLessonPage(page);
@@ -340,56 +665,323 @@ export function CoursesProvider({ children }) {
         }
         return data;
       }),
-    [request]
+    [request],
   );
 
-  // ─── Provider ─────────────────────────────────────────────────────────────
+  // =========================================================================
+  // COURSE ASSESSMENT
+  // =========================================================================
+
+  const fetchAssessment = useCallback(
+    (courseId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/assessment`);
+        const result = data?.data?.data ?? null;
+        setAssessment(result);
+        setQuestions(result?.questions ?? []);
+        return data;
+      }),
+    [request],
+  );
+
+  const createAssessment = useCallback(
+    (courseId, payload) =>
+      request(async () => {
+        const { data } = await api.post(`${BASE}/${courseId}/assessment`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setAssessment(result);
+          toast.success("Assessment created.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const updateAssessment = useCallback(
+    (courseId, assessmentId, payload) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/assessment/${assessmentId}`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setAssessment(result);
+          toast.success("Assessment updated.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const deleteAssessment = useCallback(
+    (courseId, assessmentId, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/assessment/${assessmentId}`, { data: { deletedBy } });
+        setAssessment(null);
+        setQuestions([]);
+        toast.success("Assessment archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Assessment Archives & Restore ─────────────────────────────────────────
+
+  const fetchArchivedAssessment = useCallback(
+    (courseId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/assessment/archives`);
+        const result = data?.data?.data ?? null;
+        setAssessment(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreAssessment = useCallback(
+    (courseId, assessmentId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/assessment/${assessmentId}/restore`, { restoredBy });
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setAssessment(result);
+          toast.success("Assessment restored.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  // =========================================================================
+  // ASSESSMENT QUESTIONS
+  // =========================================================================
+
+  const fetchAssessmentQuestions = useCallback(
+    (courseId, assessmentId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/assessment/${assessmentId}/questions`);
+        const result = data?.data?.data ?? [];
+        setQuestions(result);
+        return data;
+      }),
+    [request],
+  );
+
+  const createAssessmentQuestion = useCallback(
+    (courseId, assessmentId, payload) =>
+      request(async () => {
+        const { data } = await api.post(`${BASE}/${courseId}/assessment/${assessmentId}/questions`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuestions((prev) => [...prev, result]);
+          toast.success("Question added.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const updateAssessmentQuestion = useCallback(
+    (courseId, assessmentId, questionId, payload) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/assessment/${assessmentId}/questions/${questionId}`, payload);
+        const result = data?.data?.data ?? null;
+        if (result) {
+          setQuestions((prev) => prev.map((q) => (q.question_id === questionId ? result : q)));
+          toast.success("Question updated.");
+        }
+        return data;
+      }),
+    [request],
+  );
+
+  const deleteAssessmentQuestion = useCallback(
+    (courseId, assessmentId, questionId, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/assessment/${assessmentId}/questions/${questionId}`, { data: { deletedBy } });
+        setQuestions((prev) => prev.filter((q) => q.question_id !== questionId));
+        toast.success("Question archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkArchiveAssessmentQuestions = useCallback(
+    (courseId, assessmentId, ids, deletedBy) =>
+      request(async () => {
+        const { data } = await api.delete(`${BASE}/${courseId}/assessment/${assessmentId}/questions/bulk`, { data: { ids, deletedBy } });
+        setQuestions((prev) => prev.filter((q) => !ids.includes(q.question_id)));
+        toast.success("Questions archived.");
+        return data;
+      }),
+    [request],
+  );
+
+  // ── Assessment Question Archives & Restore ────────────────────────────────
+
+  const fetchArchivedAssessmentQuestion = useCallback(
+    (courseId, assessmentId, questionId) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/${courseId}/assessment/${assessmentId}/questions/archives/${questionId}`);
+        return data;
+      }),
+    [request],
+  );
+
+  const restoreAssessmentQuestion = useCallback(
+    (courseId, assessmentId, questionId, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/assessment/${assessmentId}/questions/${questionId}/restore`, { restoredBy });
+        toast.success("Question restored.");
+        return data;
+      }),
+    [request],
+  );
+
+  const bulkRestoreAssessmentQuestions = useCallback(
+    (courseId, assessmentId, ids, restoredBy) =>
+      request(async () => {
+        const { data } = await api.patch(`${BASE}/${courseId}/assessment/${assessmentId}/questions/restore/bulk`, { ids, restoredBy });
+        toast.success("Questions restored.");
+        return data;
+      }),
+    [request],
+  );
+
+  const fetchCourseFieldValues = useCallback(
+    (field) =>
+      request(async () => {
+        const { data } = await api.get(`${BASE}/field-values`, { params: { field } });
+        const result = data?.data ?? [];
+        return result;
+      }),
+    [request],
+  );
+
+  // ─── Provider value ───────────────────────────────────────────────────────
   return (
     <CoursesContext.Provider value={{
-      // state
+      // ── state ──────────────────────────────────────────────────────────────
       courses, course,
       units, unit,
       lessons, lesson,
       lessonPage,
+      prerequisites,
+      quiz,
+      questions,
+      assessment,
       attributes,
       pagination,
       loading,
 
-      // setters
-      setPagination,
+      // ── setters ────────────────────────────────────────────────────────────
       setCourse,
       setUnit,
       setLesson,
       setLessonPage,
+      setPrerequisites,
+      setQuiz,
+      setQuestions,
+      setAssessment,
+      setPagination,
 
-      // course actions
+      // ── courses ────────────────────────────────────────────────────────────
       fetchCourses,
       fetchCourse,
       createCourse,
       updateCourse,
-      deleteCourse,
+      archiveCourse,
+      archiveCourses,
 
-      // unit actions
+      // ── course archives & restore ──────────────────────────────────────────
+      fetchArchivedCourses,
+      fetchArchivedCourse,
+      restoreCourse,
+      restoreCourses,
+
+      // ── prerequisites ──────────────────────────────────────────────────────
+      fetchPrerequisites,
+      syncPrerequisites,
+
+      // ── units ──────────────────────────────────────────────────────────────
       fetchUnits,
       fetchUnit,
       createUnit,
       updateUnit,
       deleteUnit,
+      bulkArchiveUnits,
 
-      // lesson actions
+      // ── unit archives & restore ────────────────────────────────────────────
+      fetchArchivedUnits,
+      fetchArchivedUnit,
+      restoreUnit,
+      bulkRestoreUnits,
+
+      // ── unit quiz ──────────────────────────────────────────────────────────
+      fetchQuiz,
+      createQuiz,
+      updateQuiz,
+      deleteQuiz,
+
+      // ── quiz archives & restore ────────────────────────────────────────────
+      fetchArchivedQuiz,
+      restoreQuiz,
+
+      // ── quiz questions ─────────────────────────────────────────────────────
+      fetchQuizQuestions,
+      createQuizQuestion,
+      updateQuizQuestion,
+      deleteQuizQuestion,
+      bulkArchiveQuizQuestions,
+
+      // ── quiz question archives & restore ───────────────────────────────────
+      fetchArchivedQuizQuestion,
+      restoreQuizQuestion,
+      bulkRestoreQuizQuestions,
+
+      // ── lessons ────────────────────────────────────────────────────────────
       fetchLessons,
       fetchLesson,
       createLesson,
       updateLesson,
       deleteLesson,
+      bulkArchiveLessons,
 
-      // lesson page actions
+      // ── lesson archives & restore ──────────────────────────────────────────
+      fetchArchivedLessons,
+      fetchArchivedLesson,
+      restoreLesson,
+      bulkRestoreLessons,
+
+      // ── lesson page ────────────────────────────────────────────────────────
       fetchLessonPage,
       saveLessonPage,
+
+      // ── assessment ─────────────────────────────────────────────────────────
+      fetchAssessment,
+      createAssessment,
+      updateAssessment,
+      deleteAssessment,
+
+      // ── assessment archives & restore ──────────────────────────────────────
+      fetchArchivedAssessment,
+      restoreAssessment,
+
+      // ── assessment questions ───────────────────────────────────────────────
+      fetchAssessmentQuestions,
+      createAssessmentQuestion,
+      updateAssessmentQuestion,
+      deleteAssessmentQuestion,
+      bulkArchiveAssessmentQuestions,
+
+      // ── assessment question archives & restore ─────────────────────────────
+      fetchArchivedAssessmentQuestion,
+      restoreAssessmentQuestion,
+      bulkRestoreAssessmentQuestions,
+
+      // ── fetch field values ─────────────────────────────
+      fetchCourseFieldValues,
     }}>
       {children}
     </CoursesContext.Provider>
   );
-}
-
-
+}
\ No newline at end of file
diff --git a/src/data/adminTiles.data.js b/src/data/adminTiles.data.js
index 25b373b..5410105 100644
--- a/src/data/adminTiles.data.js
+++ b/src/data/adminTiles.data.js
@@ -26,8 +26,8 @@ export const ADMIN_SECTIONS = [
         title: "Content Management",
         description: "Manage tasks and courses",
         tiles: [
-            { key: "assets", label: "Courses", icon: BookText, link: "/admin/courses" },
-            { key: "assets", label: "Tasks", icon: ListCheck, link: "" },
+            { key: "courses", label: "Courses", icon: BookText, link: "/admin/courses" },
+            { key: "tasks", label: "Tasks", icon: ListCheck, link: "" },
         ],
     },
     {
diff --git a/src/index.css b/src/index.css
index 63603b7..d2a4240 100644
--- a/src/index.css
+++ b/src/index.css
@@ -152,6 +152,7 @@
 }
 
 :root {
+  --navbar-h: 67px; /* match your actual navbar height */
   --radius: 0.65rem;
   --background: oklch(1 0 0);
   --foreground: oklch(0.141 0.005 285.823);
diff --git a/src/modules/admin/components/courses/ArchivedCourseTable.jsx b/src/modules/admin/components/courses/ArchivedCourseTable.jsx
new file mode 100644
index 0000000..92a8821
--- /dev/null
+++ b/src/modules/admin/components/courses/ArchivedCourseTable.jsx
@@ -0,0 +1,132 @@
+import { useMemo, useRef, useState } from "react";
+import { useNavigate } from "react-router-dom";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { useAuth } from "@/contexts/AuthContext";
+
+import DataTable from "@/components/generic/Table/DataTable";
+import { FilterSheet } from "@/components/generic/Sheet/FilterSheet";
+import { RestoreDialog } from "@/components/generic/Dialogs/RestoreDialog";
+
+import { buildDataColumns, columnPinning } from "../../config/courses/archive/columns.config";
+import { buildToolbarActions } from "../../config/courses/archive/toolbar.config";
+import { buildSelectionActions } from "../../config/courses/archive/selection.config";
+import { buildRowActions } from "../../config/courses/archive/rowActions.config";
+
+import { getTimestamp } from "@/utils/timestamp.util";
+
+export default function ArchivedCoursesTable() {
+    const [restoreTarget, setRestoreTarget] = useState(null);
+    const [restoreIds, setRestoreIds] = useState(null);
+
+    const tableRefsRef = useRef({
+        getFilters: () => [],
+        getSort: () => [],
+        resetSelection: () => { },
+        setFilters: () => { },
+    });
+
+    const navigate = useNavigate();
+
+    const { courses, attributes, pagination, setPagination, loading, fetchArchivedCourses, restoreCourse, restoreCourses } = useCourses();
+
+    const handleRefsReady = (refs) => {
+        tableRefsRef.current = refs;
+    };
+
+    const exportConfig = {
+        allData: courses,
+        attributes,
+        filename: `${getTimestamp()}_ArchivedCourses`,
+        sheetName: "Archived Courses",
+    };
+
+    const rowActions = useMemo(() => buildRowActions({
+        navigate,
+        onRestore: (row) => setRestoreTarget(row),
+    }), []);
+
+    const toolbarActions = buildToolbarActions({
+        fetchArchivedCourses,
+        pagination,
+        exportConfig,
+        navigate,
+        getFilters: () => tableRefsRef.current.getFilters(),
+        getSort: () => tableRefsRef.current.getSort(),
+        getTableInstance: () => tableRefsRef.current.tableInstance,
+    });
+
+    const selectionActions = buildSelectionActions({
+        exportConfig,
+        restoreCourse:  (row) => setRestoreTarget(row),  // single
+        restoreCourses: (ids) => setRestoreIds(ids),      // bulk
+        getTableInstance: () => tableRefsRef.current.tableInstance,
+    });
+
+    const columns = useMemo(
+        () => buildDataColumns(attributes, rowActions),
+        [attributes]
+    );
+
+    const handleRestoreSuccess = () => {
+        setRestoreTarget(null);
+        setRestoreIds(null);
+        tableRefsRef.current.resetSelection?.();
+        fetchArchivedCourses({ page: 1, limit: pagination?.limit ?? 10 });
+    };
+
+    return (
+        <>
+            <DataTable
+                title="Archived Courses"
+                data={courses}
+                columns={columns}
+                attributes={attributes}
+                pagination={pagination}
+                setPagination={setPagination}
+                loading={loading}
+                onFetch={fetchArchivedCourses}
+                onFetchFilterData={() => []}
+                onRefsReady={handleRefsReady}
+                renderFilterSheet={({ open, onOpenChange, column, attr, data, loading }) => (
+                    <FilterSheet
+                        open={open}
+                        onOpenChange={onOpenChange}
+                        column={column}
+                        attr={attr}
+                        data={data}
+                        loading={loading}
+                    />
+                )}
+                columnPinning={columnPinning}
+                toolbarActions={toolbarActions}
+                selectionActions={selectionActions}
+                recordLabel="course"
+                emptyMessage="No courses found."
+            />
+
+            {/* Single restore */}
+            <RestoreDialog
+                open={!!restoreTarget}
+                onOpenChange={(v) => !v && setRestoreTarget(null)}
+                entity={restoreTarget}
+                entityLabel="Course"
+                getName={(c) => c?.title}
+                onRestore={(c) => restoreCourse(c?.course_id)}
+                loading={loading}
+                onSuccess={handleRestoreSuccess}
+            />
+
+            {/* Bulk restore */}
+            <RestoreDialog
+                open={!!restoreIds}
+                onOpenChange={(v) => !v && setRestoreIds(null)}
+                ids={restoreIds ?? []}
+                entityLabel="Course"
+                onRestore={restoreCourses}
+                loading={loading}
+                onSuccess={handleRestoreSuccess}
+            />
+        </>
+    );
+}
diff --git a/src/modules/admin/components/courses/ArchivedLessonsTable.jsx b/src/modules/admin/components/courses/ArchivedLessonsTable.jsx
new file mode 100644
index 0000000..e69de29
diff --git a/src/modules/admin/components/courses/ArchivedUnitsTable.jsx b/src/modules/admin/components/courses/ArchivedUnitsTable.jsx
new file mode 100644
index 0000000..e69de29
diff --git a/src/modules/admin/components/courses/CourseTable.jsx b/src/modules/admin/components/courses/CourseTable.jsx
index ab38a83..0ffb72d 100644
--- a/src/modules/admin/components/courses/CourseTable.jsx
+++ b/src/modules/admin/components/courses/CourseTable.jsx
@@ -17,6 +17,7 @@ import { getTimestamp } from "@/utils/timestamp.util";
 
 export default function CoursesTable() {
   const [archiveTarget, setArchiveTarget] = useState(null);
+  const [archiveIds, setArchiveIds] = useState(null);
 
   const tableRefsRef = useRef({
     getFilters: () => [],
@@ -26,9 +27,8 @@ export default function CoursesTable() {
   });
 
   const navigate = useNavigate();
-  const { user } = useAuth();
 
-  const { courses, attributes, pagination, setPagination, loading, fetchCourses, deleteCourse, } = useCourses();
+  const { courses, attributes, pagination, setPagination, loading, fetchCourses, archiveCourse, archiveCourses, fetchCourseFieldValues } = useCourses();
 
   const handleRefsReady = (refs) => {
     tableRefsRef.current = refs;
@@ -42,7 +42,9 @@ export default function CoursesTable() {
   };
 
   const rowActions = useMemo(() => buildRowActions({
-    onView: (row) => navigate(`/admin/courses/${row.course_id}`),
+    onAssessment: (row) => navigate(`/admin/courses/${row.course_id}/assessment`),
+    onViewUnits: (row) => navigate(`/admin/courses/${row.course_id}/units`),
+    onView: (row) => navigate(`/admin/courses/${row.course_id}/view`),
     onEdit: (row) => navigate(`/admin/courses/${row.course_id}/edit`),
     onArchive: (row) => setArchiveTarget(row),
   }), []);
@@ -60,16 +62,18 @@ export default function CoursesTable() {
   const selectionActions = buildSelectionActions({
     exportConfig,
     onArchive: (row) => setArchiveTarget(row),
+    onArchiveMany: (ids) => setArchiveIds(ids),
     getTableInstance: () => tableRefsRef.current.tableInstance,
   });
 
   const columns = useMemo(
     () => buildDataColumns(attributes, rowActions),
-    [attributes, rowActions]
+    [attributes]
   );
 
   const handleArchiveSuccess = () => {
     setArchiveTarget(null);
+    setArchiveIds(null);
     tableRefsRef.current.resetSelection?.();
     fetchCourses({ page: 1, limit: pagination?.limit ?? 10 });
   };
@@ -85,7 +89,7 @@ export default function CoursesTable() {
         setPagination={setPagination}
         loading={loading}
         onFetch={fetchCourses}
-        onFetchFilterData={() => []}
+        onFetchFilterData={fetchCourseFieldValues}
         onRefsReady={handleRefsReady}
         renderFilterSheet={({ open, onOpenChange, column, attr, data, loading }) => (
           <FilterSheet
@@ -104,13 +108,25 @@ export default function CoursesTable() {
         emptyMessage="No courses found."
       />
 
+      {/* ── Single archive ── */}
       <ArchiveDialog
         open={!!archiveTarget}
         onOpenChange={(v) => !v && setArchiveTarget(null)}
         entity={archiveTarget}
         entityLabel="Course"
         getName={(c) => c?.title}
-        onArchive={(c) => deleteCourse(c?.course_id)}
+        onArchive={(c) => archiveCourse(c?.course_id)}
+        loading={loading}
+        onSuccess={handleArchiveSuccess}
+      />
+
+      {/* ── Bulk archive ── */}
+      <ArchiveDialog
+        open={!!archiveIds}
+        onOpenChange={(v) => !v && setArchiveIds(null)}
+        ids={archiveIds ?? []}
+        entityLabel="Course"
+        onArchive={(ids) => archiveCourses(ids)}
         loading={loading}
         onSuccess={handleArchiveSuccess}
       />
diff --git a/src/modules/admin/components/courses/LessonsPreview.jsx b/src/modules/admin/components/courses/LessonsPreview.jsx
new file mode 100644
index 0000000..116c2b5
--- /dev/null
+++ b/src/modules/admin/components/courses/LessonsPreview.jsx
@@ -0,0 +1,208 @@
+import { Eye, ImageIcon, VideoIcon } from "lucide-react";
+import { WYSIWYG_STYLES } from "@/components/generic/Blocks/TextBlock";
+
+export function LessonHeader({ lesson }) {
+    if (!lesson) return null;
+    return (
+        <div className="space-y-4 pb-2">
+            <div>
+                <h1 style={{ fontSize: "1.875rem", fontWeight: 700, lineHeight: 1.2, margin: "0 0 0.4rem 0" }}>
+                    {lesson.title}
+                </h1>
+                {lesson.description && (
+                    <p style={{ margin: "0.2rem 0", lineHeight: 1.75, textAlign: "justify" }}
+                        className="text-muted-foreground">
+                        {lesson.description}
+                    </p>
+                )}
+            </div>
+
+            {lesson.objectives?.length > 0 && (
+                <div className="rounded-lg border p-4 space-y-3">
+                    <div className="flex items-center gap-2">
+                        <div className="h-8 w-8 rounded-md bg-green-100 flex items-center justify-center shrink-0">
+                            <svg
+                                xmlns="http://www.w3.org/2000/svg"
+                                className="h-4 w-4 text-green-600"
+                                viewBox="0 0 24 24"
+                                fill="none"
+                                stroke="currentColor"
+                                strokeWidth={2}
+                                strokeLinecap="round"
+                                strokeLinejoin="round"
+                            >
+                                <circle cx="12" cy="12" r="10" />
+                                <circle cx="12" cy="12" r="6" />
+                                <circle cx="12" cy="12" r="2" />
+                            </svg>
+                        </div>
+                        <p className="text-sm font-semibold">Objective</p>
+                    </div>
+                    <ul className="space-y-1.5 list-disc list-inside">
+                        {lesson.objectives.map((o) => (
+                            <li key={o.objective_id} className="text-sm text-muted-foreground">
+                                {o.text}
+                            </li>
+                        ))}
+                    </ul>
+                </div>
+            )}
+        </div>
+    );
+}
+
+export function PreviewImage({ url, alt }) {
+    if (!url) {
+        return (
+            <div className="flex items-center justify-center aspect-video rounded-lg border border-dashed text-xs text-muted-foreground bg-muted/20 gap-1.5">
+                <ImageIcon className="h-4 w-4" />
+                No image
+            </div>
+        );
+    }
+    return (
+        <img src={url} alt={alt ?? ""} className="w-full rounded-md object-cover aspect-video" />
+    );
+}
+
+export function PreviewVideo({ url, thumb }) {
+    if (!url) {
+        return (
+            <div className="flex items-center justify-center aspect-video rounded-lg border border-dashed text-xs text-muted-foreground bg-muted/20 gap-1.5">
+                <VideoIcon className="h-4 w-4" />
+                No video
+            </div>
+        );
+    }
+    return (
+        <div className="relative rounded-md overflow-hidden aspect-video bg-muted">
+            {thumb ? (
+                <img src={thumb} alt="Video thumbnail" className="w-full h-full object-cover" />
+            ) : (
+                <div className="w-full h-full flex items-center justify-center">
+                    <VideoIcon className="h-10 w-10 text-muted-foreground/40" />
+                </div>
+            )}
+            <div className="absolute inset-0 flex items-center justify-center pointer-events-none">
+                <div className="h-10 w-10 rounded-full bg-black/50 flex items-center justify-center">
+                    <VideoIcon className="h-5 w-5 text-white" />
+                </div>
+            </div>
+            <div className="absolute bottom-0 inset-x-0 bg-black/60 px-2 py-1">
+                <p className="text-white text-[10px] truncate">{url}</p>
+            </div>
+        </div>
+    );
+}
+
+export function PreviewBlock({ block }) {
+    const { type, content } = block;
+
+    if (type === "text") {
+        if (!content.body) {
+            return <div className="text-xs text-muted-foreground italic py-2">Empty text block</div>;
+        }
+        return (
+            <div
+                className="wysiwyg-preview text-sm"
+                dangerouslySetInnerHTML={{ __html: content.body }}
+            />
+        );
+    }
+
+    if (type === "image") {
+        if (!content.url) {
+            return (
+                <div className="flex items-center justify-center h-24 rounded-lg border border-dashed text-xs text-muted-foreground bg-muted/20 gap-1.5">
+                    <ImageIcon className="h-4 w-4" />
+                    No image selected
+                </div>
+            );
+        }
+        return (
+            <figure>
+                <img src={content.url} alt={content.alt ?? ""} className="w-full rounded-md object-cover" />
+            </figure>
+        );
+    }
+
+    if (type === "text-image") {
+        const imgLeft = content.image_position === "left";
+        return (
+            <div className="grid grid-cols-2 gap-4 items-start">
+                {imgLeft && <PreviewImage url={content.url} alt={content.alt} />}
+                <div
+                    className="wysiwyg-preview text-sm"
+                    dangerouslySetInnerHTML={{ __html: content.body || "<p class='text-muted-foreground italic'>Empty text</p>" }}
+                />
+                {!imgLeft && <PreviewImage url={content.url} alt={content.alt} />}
+            </div>
+        );
+    }
+
+    if (type === "video") {
+        if (!content.url) {
+            return (
+                <div className="flex items-center justify-center h-24 rounded-lg border border-dashed text-xs text-muted-foreground bg-muted/20 gap-1.5">
+                    <VideoIcon className="h-4 w-4" />
+                    No video selected
+                </div>
+            );
+        }
+        return <PreviewVideo url={content.url} thumb={content.thumbnail_url} />;
+    }
+
+    if (type === "text-video") {
+        const vidLeft = content.video_position === "left";
+        return (
+            <div className="grid grid-cols-2 gap-4 items-start">
+                {vidLeft && <PreviewVideo url={content.url} thumb={content.thumbnail_url} />}
+                <div
+                    className="wysiwyg-preview text-sm"
+                    dangerouslySetInnerHTML={{ __html: content.body || "<p class='text-muted-foreground italic'>Empty text</p>" }}
+                />
+                {!vidLeft && <PreviewVideo url={content.url} thumb={content.thumbnail_url} />}
+            </div>
+        );
+    }
+
+    return null;
+}
+
+export function PreviewContent({ lesson, blocks, empty = "No content yet." }) {
+    return (
+        <>
+            <LessonHeader lesson={lesson} />
+            {blocks.length === 0 ? (
+                <div className="flex flex-col items-center justify-center gap-2 py-16 text-sm text-muted-foreground">
+                    <Eye className="h-8 w-8 opacity-20" />
+                    <p>{empty}</p>
+                </div>
+            ) : (
+                blocks.map((block) => (
+                    <div key={block.id}>
+                        <PreviewBlock block={block} />
+                    </div>
+                ))
+            )}
+        </>
+    );
+}
+
+export function PreviewChrome({ title, children }) {
+    return (
+        <div className="rounded-xl border bg-card shadow-sm overflow-hidden">
+            <style>{WYSIWYG_STYLES}</style>
+            <div className="flex items-center gap-1.5 px-3 py-2 bg-muted/60 border-b">
+                <span className="h-2.5 w-2.5 rounded-full bg-red-400" />
+                <span className="h-2.5 w-2.5 rounded-full bg-yellow-400" />
+                <span className="h-2.5 w-2.5 rounded-full bg-green-400" />
+                <div className="flex-1 mx-3 h-5 rounded bg-background/60 border text-[10px] flex items-center px-2 text-muted-foreground/60 truncate">
+                    {title ?? "Lesson Preview"}
+                </div>
+                <Eye className="h-3.5 w-3.5 text-muted-foreground/60" />
+            </div>
+            {children}
+        </div>
+    );
+}
\ No newline at end of file
diff --git a/src/modules/admin/components/courses/LessonsTable.jsx b/src/modules/admin/components/courses/LessonsTable.jsx
index de5004f..700c143 100644
--- a/src/modules/admin/components/courses/LessonsTable.jsx
+++ b/src/modules/admin/components/courses/LessonsTable.jsx
@@ -47,7 +47,9 @@ export default function LessonsTable({ courseId, unitId }) {
   );
 
   const rowActions = useMemo(() => buildRowActions({
-    onView: (row) => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${row.lesson_id}`),
+    onViewPage: (row) => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${row.lesson_id}/page/view`),
+    onCreatePage: (row) => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${row.lesson_id}/page`),
+    onView: (row) => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${row.lesson_id}/view`),
     onEdit: (row) => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${row.lesson_id}/edit`),
     onArchive: (row) => setArchiveTarget(row),
   }), [courseId, unitId]);
diff --git a/src/modules/admin/components/courses/QuestionEditor.jsx b/src/modules/admin/components/courses/QuestionEditor.jsx
new file mode 100644
index 0000000..b39fc3f
--- /dev/null
+++ b/src/modules/admin/components/courses/QuestionEditor.jsx
@@ -0,0 +1,274 @@
+import { useState } from "react";
+import { Plus, Trash2, GripVertical, CheckCircle2, Circle } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Textarea } from "@/components/ui/textarea";
+import { Badge } from "@/components/ui/badge";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { cn } from "@/lib/utils";
+
+const QUESTION_TYPES = [
+  { value: "true_false",       label: "True / False" },
+  { value: "multiple_choice",  label: "Multiple Choice (1 correct)" },
+  { value: "multi_select",     label: "Multi Select (multiple correct)" },
+];
+
+function FieldError({ message }) {
+  if (!message) return null;
+  return <p className="text-xs text-destructive mt-1">{message}</p>;
+}
+
+// ── Single Option Row ─────────────────────────────────────────────────────────
+function OptionRow({ option, index, questionType, onUpdate, onRemove, onToggleCorrect }) {
+  const isCorrect = option.is_correct;
+
+  return (
+    <div className={cn(
+      "flex items-center gap-2 rounded-lg border px-3 py-2 transition-colors",
+      isCorrect ? "border-green-300 bg-green-50/60" : "border-border bg-background"
+    )}>
+      <GripVertical className="h-4 w-4 text-muted-foreground/40 shrink-0" />
+
+      {/* Correct toggle */}
+      <button
+        type="button"
+        onClick={() => onToggleCorrect(index)}
+        className="shrink-0"
+        title={isCorrect ? "Mark as incorrect" : "Mark as correct"}
+      >
+        {isCorrect
+          ? <CheckCircle2 className="h-4 w-4 text-green-600" />
+          : <Circle className="h-4 w-4 text-muted-foreground" />
+        }
+      </button>
+
+      <Input
+        value={option.text}
+        onChange={(e) => onUpdate(index, { ...option, text: e.target.value })}
+        placeholder={`Option ${index + 1}`}
+        className="flex-1 border-0 shadow-none focus-visible:ring-0 p-0 h-auto text-sm"
+      />
+
+      <button
+        type="button"
+        onClick={() => onRemove(index)}
+        className="shrink-0 text-muted-foreground hover:text-destructive transition-colors"
+      >
+        <Trash2 className="h-3.5 w-3.5" />
+      </button>
+    </div>
+  );
+}
+
+// ── Question Card ─────────────────────────────────────────────────────────────
+export function QuestionCard({ question, index, onChange, onRemove, error }) {
+  const updateField = (field, value) => onChange({ ...question, [field]: value });
+
+  const updateOption = (i, updated) => {
+    const options = [...question.options];
+    options[i] = updated;
+    onChange({ ...question, options });
+  };
+
+  const toggleCorrect = (i) => {
+    const options = question.options.map((o, idx) => {
+      if (question.type === "multiple_choice" || question.type === "true_false") {
+        // single correct — deselect all others
+        return { ...o, is_correct: idx === i };
+      }
+      // multi_select — toggle individual
+      return idx === i ? { ...o, is_correct: !o.is_correct } : o;
+    });
+    onChange({ ...question, options });
+  };
+
+  const addOption = () => {
+    onChange({
+      ...question,
+      options: [
+        ...question.options,
+        { text: "", is_correct: false, order_index: question.options.length },
+      ],
+    });
+  };
+
+  const removeOption = (i) => {
+    onChange({
+      ...question,
+      options: question.options.filter((_, idx) => idx !== i),
+    });
+  };
+
+  const handleTypeChange = (type) => {
+    // Reset options based on type
+    const defaultOptions =
+      type === "true_false"
+        ? [
+            { text: "True",  is_correct: true,  order_index: 0 },
+            { text: "False", is_correct: false, order_index: 1 },
+          ]
+        : question.options.map((o) => ({ ...o, is_correct: false }));
+
+    onChange({ ...question, type, options: defaultOptions });
+  };
+
+  const correctCount = question.options.filter((o) => o.is_correct).length;
+
+  return (
+    <div className="rounded-xl border bg-card shadow-sm overflow-hidden">
+      {/* Card header */}
+      <div className="flex items-center justify-between px-4 py-3 bg-muted/40 border-b">
+        <div className="flex items-center gap-2">
+          <span className="flex h-6 w-6 items-center justify-center rounded-full bg-primary/10 text-primary text-xs font-semibold">
+            {index + 1}
+          </span>
+          <Select value={question.type} onValueChange={handleTypeChange}>
+            <SelectTrigger className="h-7 text-xs border-0 bg-transparent shadow-none w-auto gap-1 px-1">
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              {QUESTION_TYPES.map((t) => (
+                <SelectItem key={t.value} value={t.value} className="text-xs">
+                  {t.label}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+          <Badge variant="secondary" className="text-xs">
+            {question.points ?? 1} pt{(question.points ?? 1) !== 1 ? "s" : ""}
+          </Badge>
+          {correctCount > 0 && (
+            <Badge variant="outline" className="text-xs text-green-600 border-green-300">
+              {correctCount} correct
+            </Badge>
+          )}
+        </div>
+        <Button
+          type="button"
+          variant="ghost"
+          size="icon"
+          onClick={onRemove}
+          className="h-7 w-7 text-muted-foreground hover:text-destructive"
+        >
+          <Trash2 className="h-3.5 w-3.5" />
+        </Button>
+      </div>
+
+      <div className="p-4 space-y-4">
+        {/* Question text */}
+        <div className="space-y-1.5">
+          <Label className="text-xs text-muted-foreground uppercase tracking-wide">Question</Label>
+          <Textarea
+            value={question.question}
+            onChange={(e) => updateField("question", e.target.value)}
+            placeholder="Enter your question here…"
+            rows={2}
+            className="resize-none"
+          />
+          <FieldError message={error?.question} />
+        </div>
+
+        {/* Options */}
+        <div className="space-y-2">
+          <div className="flex items-center justify-between">
+            <Label className="text-xs text-muted-foreground uppercase tracking-wide">
+              Options
+              <span className="ml-1 normal-case text-muted-foreground/60">
+                — click circle to mark correct
+              </span>
+            </Label>
+            {question.type !== "true_false" && (
+              <Button
+                type="button"
+                variant="ghost"
+                size="sm"
+                onClick={addOption}
+                className="h-6 text-xs gap-1"
+              >
+                <Plus className="h-3 w-3" />
+                Add option
+              </Button>
+            )}
+          </div>
+
+          <div className="space-y-2">
+            {question.options.map((option, i) => (
+              <OptionRow
+                key={i}
+                option={option}
+                index={i}
+                questionType={question.type}
+                onUpdate={updateOption}
+                onRemove={removeOption}
+                onToggleCorrect={toggleCorrect}
+              />
+            ))}
+          </div>
+          <FieldError message={error?.options} />
+        </div>
+
+        {/* Points + Explanation row */}
+        <div className="grid grid-cols-2 gap-4">
+          <div className="space-y-1.5">
+            <Label className="text-xs text-muted-foreground uppercase tracking-wide">Points</Label>
+            <Input
+              type="number"
+              min={1}
+              value={question.points ?? 1}
+              onChange={(e) => updateField("points", parseInt(e.target.value) || 1)}
+              className="h-8 text-sm"
+            />
+          </div>
+          <div className="space-y-1.5">
+            <Label className="text-xs text-muted-foreground uppercase tracking-wide">
+              Explanation <span className="normal-case text-muted-foreground/60">(optional)</span>
+            </Label>
+            <Input
+              value={question.explanation ?? ""}
+              onChange={(e) => updateField("explanation", e.target.value)}
+              placeholder="Shown after answer"
+              className="h-8 text-sm"
+            />
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+// ── Make a blank question ─────────────────────────────────────────────────────
+export function makeQuestion(type = "multiple_choice") {
+  const defaultOptions = {
+    true_false: [
+      { text: "True",  is_correct: true,  order_index: 0 },
+      { text: "False", is_correct: false, order_index: 1 },
+    ],
+    multiple_choice: [
+      { text: "", is_correct: true,  order_index: 0 },
+      { text: "", is_correct: false, order_index: 1 },
+      { text: "", is_correct: false, order_index: 2 },
+    ],
+    multi_select: [
+      { text: "", is_correct: true,  order_index: 0 },
+      { text: "", is_correct: true,  order_index: 1 },
+      { text: "", is_correct: false, order_index: 2 },
+    ],
+  };
+
+  return {
+    _tempId:     crypto.randomUUID(),
+    type,
+    question:    "",
+    explanation: "",
+    points:      1,
+    order_index: 0,
+    options:     defaultOptions[type] ?? [],
+  };
+}
\ No newline at end of file
diff --git a/src/modules/admin/components/courses/UnitsTable.jsx b/src/modules/admin/components/courses/UnitsTable.jsx
index 4013619..7f2251f 100644
--- a/src/modules/admin/components/courses/UnitsTable.jsx
+++ b/src/modules/admin/components/courses/UnitsTable.jsx
@@ -48,7 +48,9 @@ export default function UnitsTable({ courseId }) {
   );
 
   const rowActions = useMemo(() => buildRowActions({
-    onView: (row) => navigate(`/admin/courses/${courseId}/units/${row.unit_id}`),
+    onQuiz: (row) => navigate(`/admin/courses/${courseId}/units/${row.unit_id}/quiz`),
+    onViewLessons: (row) => navigate(`/admin/courses/${courseId}/units/${row.unit_id}/lessons`),
+    onView: (row) => navigate(`/admin/courses/${courseId}/units/${row.unit_id}/view`),
     onEdit: (row) => navigate(`/admin/courses/${courseId}/units/${row.unit_id}/edit`),
     onArchive: (row) => setArchiveTarget(row),
   }), [courseId]);
diff --git a/src/modules/admin/config/assets/rowActions.config.jsx b/src/modules/admin/config/assets/rowActions.config.jsx
index e336d20..bd474a4 100644
--- a/src/modules/admin/config/assets/rowActions.config.jsx
+++ b/src/modules/admin/config/assets/rowActions.config.jsx
@@ -12,13 +12,13 @@ export function buildRowActions({ onView, onEdit, onArchive }) {
     return [
         {
             key:     "view",
-            label:   "View",
+            label:   "View Info",
             icon:    <Eye className="h-3.5 w-3.5" />,
             onClick: (row) => onView(row),
         },
         {
             key:     "edit",
-            label:   "Edit",
+            label:   "Edit Info",
             icon:    <Pencil className="h-3.5 w-3.5" />,
             onClick: (row) => onEdit(row),
         },
diff --git a/src/modules/admin/config/courses/archive/columns.config.jsx b/src/modules/admin/config/courses/archive/columns.config.jsx
new file mode 100644
index 0000000..25a1d56
--- /dev/null
+++ b/src/modules/admin/config/courses/archive/columns.config.jsx
@@ -0,0 +1,70 @@
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
+
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
+import { Badge } from "@/components/ui/badge";
+import { Book, BookOpenCheck, Clock } from "lucide-react";
+import { formatDuration } from "@/utils/timestamp.util";
+
+export const columnPinning = {
+  right: ["actions"],
+  left: [],
+};
+
+
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  unitCount: (info) => {
+    const count = parseInt(info.getValue() ?? 0, 10);
+    return (
+      <div className="flex items-center gap-1.5">
+        <Book className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {count} {count === 1 ? "unit" : "units"}
+        </Badge>
+      </div>
+    );
+  },
+  lessonCount: (info) => {
+    const count = parseInt(info.getValue() ?? 0, 10);
+    return (
+      <div className="flex items-center gap-1.5">
+        <BookOpenCheck className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {count} {count === 1 ? "lesson" : "lessons"}
+        </Badge>
+      </div>
+    );
+  },
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
+
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Course Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/archive/rowActions.config.jsx b/src/modules/admin/config/courses/archive/rowActions.config.jsx
new file mode 100644
index 0000000..03112a9
--- /dev/null
+++ b/src/modules/admin/config/courses/archive/rowActions.config.jsx
@@ -0,0 +1,21 @@
+// modules/admin/config/assets/rowActions.config.jsx
+import { RotateCcw } from "lucide-react";
+
+/**
+ * @param {Object}   deps
+ * @param {Function} deps.onView     (row) → void  — navigate to view page
+ * @param {Function} deps.onEdit     (row) → void  — navigate to edit page
+ * @param {Function} deps.onArchive  (row) → void  — open archive dialog
+ */
+export function buildRowActions({ onRestore }) {
+    return [
+        {
+            key: "restore",
+            label: "Restore",
+            className: "text-emerald-600 focus:text-emerald-600",
+            icon: <RotateCcw className="h-3.5 w-3.5" />,
+            onClick: (row) => onRestore(row),
+            hidden: (row) => row.is_active,
+        },
+    ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/archive/selection.config.jsx b/src/modules/admin/config/courses/archive/selection.config.jsx
new file mode 100644
index 0000000..4635601
--- /dev/null
+++ b/src/modules/admin/config/courses/archive/selection.config.jsx
@@ -0,0 +1,31 @@
+// config/assets/archive/selection.config.jsx
+import { Download, ArchiveRestore } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildSelectionActions({ exportConfig, restoreCourse, restoreCourses, getTableInstance }) {
+  return [
+    {
+      key: "export-selected",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      onClick: (rows, table) =>
+        exportTableToExcel({
+          ...exportConfig,
+          selectedRows: rows,
+          tableInstance: table ?? getTableInstance(),
+        }),
+    },
+    {
+      key: "restore-selected",
+      label: "Restore",
+      icon: <ArchiveRestore className="h-3.5 w-3.5" />,
+      className: "text-emerald-600 border-emerald-600/40 hover:bg-emerald-600/10 hover:text-emerald-700",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.course_id);
+        ids.length === 1
+          ? restoreCourse(rows[0])
+          : restoreCourses(ids);
+      },
+    },
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/archive/toolbar.config.jsx b/src/modules/admin/config/courses/archive/toolbar.config.jsx
new file mode 100644
index 0000000..2f9c594
--- /dev/null
+++ b/src/modules/admin/config/courses/archive/toolbar.config.jsx
@@ -0,0 +1,39 @@
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildToolbarActions({
+  fetchArchivedCourses,
+  pagination,
+  exportConfig,
+  navigate,
+  getFilters,
+  getSort,
+  getTableInstance,
+}) {
+  return [
+    {
+      key: "refresh",
+      type: "button",
+      label: "Refresh",
+      icon: <RefreshCw className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => fetchArchivedCourses({
+        page: 1,
+        limit: pagination?.limit ?? 10,
+        filters: getFilters(),
+        sort: getSort(),
+      }),
+    },
+    {
+      key: "export",
+      type: "button",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => exportTableToExcel({
+        ...exportConfig,
+        tableInstance: getTableInstance(),
+      }),
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/columns.config.jsx b/src/modules/admin/config/courses/columns.config.jsx
index db75d6a..25a1d56 100644
--- a/src/modules/admin/config/courses/columns.config.jsx
+++ b/src/modules/admin/config/courses/columns.config.jsx
@@ -1,38 +1,70 @@
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
+
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
 import { Badge } from "@/components/ui/badge";
+import { Book, BookOpenCheck, Clock } from "lucide-react";
+import { formatDuration } from "@/utils/timestamp.util";
 
 export const columnPinning = {
-  left: ["select", "title"],
   right: ["actions"],
+  left: [],
 };
 
-export function buildDataColumns(attributes, rowActions) {
-  const base = [
-    {
-      accessorKey: "title",
-      header: "Title",
-      cell: ({ row }) => (
-        <span className="font-medium">{row.original.title}</span>
-      ),
-    },
-    {
-      accessorKey: "description",
-      header: "Description",
-      cell: ({ row }) => (
-        <span className="text-muted-foreground text-sm truncate max-w-xs block">
-          {row.original.description ?? "—"}
-        </span>
-      ),
-    },
-    {
-      accessorKey: "order",
-      header: "Order",
-      cell: ({ row }) => (
-        <Badge variant="outline" className="text-xs">
-          {row.original.order}
-        </Badge>
-      ),
-    },
-  ];
 
-  return rowActions ? [...base, rowActions] : base;
-}
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  unitCount: (info) => {
+    const count = parseInt(info.getValue() ?? 0, 10);
+    return (
+      <div className="flex items-center gap-1.5">
+        <Book className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {count} {count === 1 ? "unit" : "units"}
+        </Badge>
+      </div>
+    );
+  },
+  lessonCount: (info) => {
+    const count = parseInt(info.getValue() ?? 0, 10);
+    return (
+      <div className="flex items-center gap-1.5">
+        <BookOpenCheck className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {count} {count === 1 ? "lesson" : "lessons"}
+        </Badge>
+      </div>
+    );
+  },
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
+
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Course Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/lessons/archive/columns.config.jsx b/src/modules/admin/config/courses/lessons/archive/columns.config.jsx
new file mode 100644
index 0000000..8f51e87
--- /dev/null
+++ b/src/modules/admin/config/courses/lessons/archive/columns.config.jsx
@@ -0,0 +1,47 @@
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
+
+import { Badge } from "@/components/ui/badge";
+import { Clock } from "lucide-react";
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
+import { formatDuration } from "@/utils/timestamp.util";
+
+export const columnPinning = {
+  right: ["actions"],
+  left: [],
+};
+
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
+
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Lesson Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/lessons/archive/rowActions.config.jsx b/src/modules/admin/config/courses/lessons/archive/rowActions.config.jsx
new file mode 100644
index 0000000..e2952b6
--- /dev/null
+++ b/src/modules/admin/config/courses/lessons/archive/rowActions.config.jsx
@@ -0,0 +1,41 @@
+import { Eye, Pencil, Archive, SquarePlus, SquareChartGantt } from "lucide-react";
+
+export function buildRowActions({ onCreatePage, onViewPage, onView, onEdit, onArchive }) {
+  return [
+    {
+      key: "view",
+      label: "View Lesson",
+      icon: <Eye className="h-3.5 w-3.5" />,
+      onClick: (row) => onView(row),
+    },
+    {
+      key: "edit",
+      label: "Edit Lesson",
+      icon: <Pencil className="h-3.5 w-3.5" />,
+      onClick: (row) => onEdit(row),
+    },
+    {
+      key: "edit",
+      label: "View Content",
+      icon: <SquareChartGantt className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onViewPage(row),
+      separator: true,
+    },
+    {
+      key: "edit",
+      label: "Modify Content",
+      icon: <SquarePlus className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onCreatePage(row),
+    },
+    {
+      key: "archive",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive",
+      onClick: (row) => onArchive(row),
+      separator: true
+    },
+  ]
+}
diff --git a/src/modules/admin/config/courses/lessons/archive/selection.config.jsx b/src/modules/admin/config/courses/lessons/archive/selection.config.jsx
new file mode 100644
index 0000000..6cc4c31
--- /dev/null
+++ b/src/modules/admin/config/courses/lessons/archive/selection.config.jsx
@@ -0,0 +1,30 @@
+import { Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildSelectionActions({ exportConfig, onArchive, onArchiveMany, getTableInstance }) {
+  return [
+    {
+      key: "export-selected",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      onClick: (rows, table) =>
+        exportTableToExcel({
+          ...exportConfig,
+          selectedRows: rows,
+          tableInstance: table ?? getTableInstance(),
+        }),
+    },
+    {
+      key: "archive-selected",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive border-destructive/40 hover:bg-destructive/10 hover:text-destructive",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.asset_id);
+        ids.length === 1
+          ? onArchive(rows[0])
+          : onArchiveMany(ids);
+      },
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/lessons/archive/toolbar.config.jsx b/src/modules/admin/config/courses/lessons/archive/toolbar.config.jsx
new file mode 100644
index 0000000..369d195
--- /dev/null
+++ b/src/modules/admin/config/courses/lessons/archive/toolbar.config.jsx
@@ -0,0 +1,62 @@
+// config/courses/lessons/toolbar.config.jsx
+
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildToolbarActions({
+  fetchLessons,
+  pagination,
+  exportConfig,
+  navigate,
+  courseId,
+  unitId,
+  getFilters,
+  getSort,
+  getTableInstance,
+}) {
+  return [
+    {
+      key: "refresh",
+      type: "button",
+      label: "Refresh",
+      icon: <RefreshCw className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => fetchLessons({
+        page: 1,
+        limit: pagination?.limit ?? 10,
+        filters: getFilters(),
+        sort: getSort(),
+      }),
+    },
+    {
+      key: "export",
+      type: "button",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => exportTableToExcel({
+        ...exportConfig,
+        tableInstance: getTableInstance(),
+      }),
+    },
+    {
+      key: "create",
+      type: "button",
+      label: "New Lesson",
+      icon: <Plus className="h-3.5 w-3.5" />,
+      variant: "default",
+      onClick: () => navigate(
+        `/admin/courses/${courseId}/units/${unitId}/lessons/add`
+      ),
+    },
+     {
+      key: "archived-lessons",
+      type: "button",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      label: "Archived Lessons",
+      variant: "secondary",
+      className: "border border-border",
+      onClick: () => navigate("/admin/lessons/archived"),
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/lessons/columns.config.jsx b/src/modules/admin/config/courses/lessons/columns.config.jsx
index 9096867..8f51e87 100644
--- a/src/modules/admin/config/courses/lessons/columns.config.jsx
+++ b/src/modules/admin/config/courses/lessons/columns.config.jsx
@@ -1,52 +1,47 @@
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
+
 import { Badge } from "@/components/ui/badge";
+import { Clock } from "lucide-react";
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
+import { formatDuration } from "@/utils/timestamp.util";
 
 export const columnPinning = {
-  left: ["select", "title"],
   right: ["actions"],
+  left: [],
 };
 
-export function buildDataColumns(attributes, rowActions) {
-  const base = [
-    {
-      accessorKey: "title",
-      header: "Title",
-      cell: ({ row }) => (
-        <span className="font-medium">{row.original.title}</span>
-      ),
-    },
-    {
-      accessorKey: "description",
-      header: "Description",
-      cell: ({ row }) => (
-        <span className="text-muted-foreground text-sm truncate max-w-xs block">
-          {row.original.description ?? "—"}
-        </span>
-      ),
-    },
-    {
-      accessorKey: "order",
-      header: "Order",
-      cell: ({ row }) => (
-        <Badge variant="outline" className="text-xs">
-          {row.original.order}
-        </Badge>
-      ),
-    },
-    {
-      accessorKey: "page",
-      header: "Content",
-      cell: ({ row }) => {
-        const blocks = row.original.page?.blocks ?? [];
-        return blocks.length ? (
-          <Badge variant="secondary" className="text-xs">
-            {blocks.length} block{blocks.length !== 1 ? "s" : ""}
-          </Badge>
-        ) : (
-          <span className="text-xs text-muted-foreground">No content</span>
-        );
-      },
-    },
-  ];
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
 
-  return rowActions ? [...base, rowActions] : base;
-}
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Lesson Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/lessons/rowActions.config.jsx b/src/modules/admin/config/courses/lessons/rowActions.config.jsx
index 48ce7b4..e2952b6 100644
--- a/src/modules/admin/config/courses/lessons/rowActions.config.jsx
+++ b/src/modules/admin/config/courses/lessons/rowActions.config.jsx
@@ -1,35 +1,41 @@
-// config/courses/lessons/rowActions.config.jsx
+import { Eye, Pencil, Archive, SquarePlus, SquareChartGantt } from "lucide-react";
 
-import { Eye, Pencil, Trash2 } from "lucide-react";
-
-export function buildRowActions({ onView, onEdit, onArchive }) {
-  return {
-    id: "actions",
-    header: "",
-    cell: ({ row }) => (
-      <div className="flex items-center justify-end gap-1">
-        <button
-          type="button"
-          onClick={() => onView(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Eye className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onEdit(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Pencil className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onArchive(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-destructive"
-        >
-          <Trash2 className="h-4 w-4" />
-        </button>
-      </div>
-    ),
-  };
+export function buildRowActions({ onCreatePage, onViewPage, onView, onEdit, onArchive }) {
+  return [
+    {
+      key: "view",
+      label: "View Lesson",
+      icon: <Eye className="h-3.5 w-3.5" />,
+      onClick: (row) => onView(row),
+    },
+    {
+      key: "edit",
+      label: "Edit Lesson",
+      icon: <Pencil className="h-3.5 w-3.5" />,
+      onClick: (row) => onEdit(row),
+    },
+    {
+      key: "edit",
+      label: "View Content",
+      icon: <SquareChartGantt className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onViewPage(row),
+      separator: true,
+    },
+    {
+      key: "edit",
+      label: "Modify Content",
+      icon: <SquarePlus className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onCreatePage(row),
+    },
+    {
+      key: "archive",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive",
+      onClick: (row) => onArchive(row),
+      separator: true
+    },
+  ]
 }
diff --git a/src/modules/admin/config/courses/lessons/selection.config.jsx b/src/modules/admin/config/courses/lessons/selection.config.jsx
new file mode 100644
index 0000000..6cc4c31
--- /dev/null
+++ b/src/modules/admin/config/courses/lessons/selection.config.jsx
@@ -0,0 +1,30 @@
+import { Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildSelectionActions({ exportConfig, onArchive, onArchiveMany, getTableInstance }) {
+  return [
+    {
+      key: "export-selected",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      onClick: (rows, table) =>
+        exportTableToExcel({
+          ...exportConfig,
+          selectedRows: rows,
+          tableInstance: table ?? getTableInstance(),
+        }),
+    },
+    {
+      key: "archive-selected",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive border-destructive/40 hover:bg-destructive/10 hover:text-destructive",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.asset_id);
+        ids.length === 1
+          ? onArchive(rows[0])
+          : onArchiveMany(ids);
+      },
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/lessons/toolbar.config.jsx b/src/modules/admin/config/courses/lessons/toolbar.config.jsx
index 88db67e..369d195 100644
--- a/src/modules/admin/config/courses/lessons/toolbar.config.jsx
+++ b/src/modules/admin/config/courses/lessons/toolbar.config.jsx
@@ -1,6 +1,6 @@
 // config/courses/lessons/toolbar.config.jsx
 
-import { Plus, RefreshCw, Download } from "lucide-react";
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
 import { exportTableToExcel } from "@/utils/excel.util";
 
 export function buildToolbarActions({
@@ -46,8 +46,17 @@ export function buildToolbarActions({
       icon: <Plus className="h-3.5 w-3.5" />,
       variant: "default",
       onClick: () => navigate(
-        `/admin/courses/${courseId}/units/${unitId}/lessons/create`
+        `/admin/courses/${courseId}/units/${unitId}/lessons/add`
       ),
     },
+     {
+      key: "archived-lessons",
+      type: "button",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      label: "Archived Lessons",
+      variant: "secondary",
+      className: "border border-border",
+      onClick: () => navigate("/admin/lessons/archived"),
+    },
   ];
 }
diff --git a/src/modules/admin/config/courses/rowActions.config.jsx b/src/modules/admin/config/courses/rowActions.config.jsx
index ddbb004..cfdf3b7 100644
--- a/src/modules/admin/config/courses/rowActions.config.jsx
+++ b/src/modules/admin/config/courses/rowActions.config.jsx
@@ -1,33 +1,42 @@
-import { Eye, Pencil, Trash2 } from "lucide-react";
+import { Eye, Pencil, Archive, ShelvingUnit, NotebookPen } from "lucide-react";
 
-export function buildRowActions({ onView, onEdit, onArchive }) {
-  return {
-    id: "actions",
-    header: "",
-    cell: ({ row }) => (
-      <div className="flex items-center justify-end gap-1">
-        <button
-          type="button"
-          onClick={() => onView(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Eye className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onEdit(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Pencil className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onArchive(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-destructive"
-        >
-          <Trash2 className="h-4 w-4" />
-        </button>
-      </div>
-    ),
-  };
+export function buildRowActions({ onViewUnits, onView, onEdit, onArchive, onAssessment }) {
+  return [
+    {
+      key: "view",
+      label: "View Info",
+      icon: <Eye className="h-3.5 w-3.5" />,
+      onClick: (row) => onView(row),
+    },
+    {
+      key: "edit",
+      label: "Edit Info",
+      icon: <Pencil className="h-3.5 w-3.5" />,
+      onClick: (row) => onEdit(row),
+    },
+    {
+      key: "view_units",
+      label: "View Units",
+      icon: <ShelvingUnit className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onViewUnits(row),
+      separator: true
+    },
+    {
+      key: "modify_assessment",
+      label: "Modify Assessment",
+      icon: <NotebookPen className="h-3.5 w-3.5" />,
+      className: "text-purple-700 hover:text-purple-600",
+      onClick: (row) => onAssessment(row),
+      separator: true,
+    },
+    {
+      key: "archive",
+      label: "Archive Course",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive",
+      onClick: (row) => onArchive(row),
+      separator: true
+    },
+  ]
 }
diff --git a/src/modules/admin/config/courses/selection.config.jsx b/src/modules/admin/config/courses/selection.config.jsx
index 8be6485..47e1fad 100644
--- a/src/modules/admin/config/courses/selection.config.jsx
+++ b/src/modules/admin/config/courses/selection.config.jsx
@@ -1,7 +1,7 @@
-import { Download } from "lucide-react";
+import { Download, Archive } from "lucide-react";
 import { exportTableToExcel } from "@/utils/excel.util";
 
-export function buildSelectionActions({ exportConfig, getTableInstance }) {
+export function buildSelectionActions({ exportConfig, onArchive, onArchiveMany, getTableInstance }) {
   return [
     {
       key: "export-selected",
@@ -14,5 +14,17 @@ export function buildSelectionActions({ exportConfig, getTableInstance }) {
           tableInstance: table ?? getTableInstance(),
         }),
     },
+    {
+      key: "archive-selected",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive border-destructive/40 hover:bg-destructive/10 hover:text-destructive",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.course_id);
+        ids.length === 1
+          ? onArchive(rows[0])
+          : onArchiveMany(ids);
+      },
+    },
   ];
 }
diff --git a/src/modules/admin/config/courses/toolbar.config.jsx b/src/modules/admin/config/courses/toolbar.config.jsx
index 96a88f3..a0290b5 100644
--- a/src/modules/admin/config/courses/toolbar.config.jsx
+++ b/src/modules/admin/config/courses/toolbar.config.jsx
@@ -1,4 +1,4 @@
-import { Plus, RefreshCw, Download } from "lucide-react";
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
 import { exportTableToExcel } from "@/utils/excel.util";
 
 export function buildToolbarActions({
@@ -41,7 +41,16 @@ export function buildToolbarActions({
       label: "New Course",
       icon: <Plus className="h-3.5 w-3.5" />,
       variant: "default",
-      onClick: () => navigate("/admin/courses/create"),
+      onClick: () => navigate("/admin/courses/add"),
+    },
+    {
+      key: "archived-courses",
+      type: "button",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      label: "Archived Courses",
+      variant: "secondary",
+      className: "border border-border",
+      onClick: () => navigate("/admin/courses/archived"),
     },
   ];
 }
diff --git a/src/modules/admin/config/courses/units/archive/columns.config.jsx b/src/modules/admin/config/courses/units/archive/columns.config.jsx
new file mode 100644
index 0000000..1edd8bf
--- /dev/null
+++ b/src/modules/admin/config/courses/units/archive/columns.config.jsx
@@ -0,0 +1,47 @@
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
+
+import { Badge } from "@/components/ui/badge";
+import { Clock } from "lucide-react";
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
+import { formatDuration } from "@/utils/timestamp.util";
+
+export const columnPinning = {
+  right: ["actions"],
+  left: [],
+};
+
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
+
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Unit Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/units/archive/rowActions.config.jsx b/src/modules/admin/config/courses/units/archive/rowActions.config.jsx
new file mode 100644
index 0000000..6a92abc
--- /dev/null
+++ b/src/modules/admin/config/courses/units/archive/rowActions.config.jsx
@@ -0,0 +1,42 @@
+import { Eye, Pencil, Archive, BookCheck, NotebookPen } from "lucide-react";
+
+export function buildRowActions({ onViewLessons, onView, onEdit, onArchive, onQuiz }) {
+  return [
+    {
+      key: "view",
+      label: "View Info",
+      icon: <Eye className="h-3.5 w-3.5" />,
+      onClick: (row) => onView(row),
+    },
+    {
+      key: "edit",
+      label: "Edit Info",
+      icon: <Pencil className="h-3.5 w-3.5" />,
+      onClick: (row) => onEdit(row),
+    },
+    {
+      key: "view_units",
+      label: "View Lessons",
+      icon: <BookCheck className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onViewLessons(row),
+      separator: true
+    },
+    {
+      key: "modify_quiz",
+      label: "Modify Quiz",
+      icon: <NotebookPen className="h-3.5 w-3.5" />,
+      className: "text-purple-700 hover:text-purple-600",
+      onClick: (row) => onQuiz(row),
+      separator: true
+    },
+    {
+      key: "archive",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive",
+      onClick: (row) => onArchive(row),
+      separator: true
+    },
+  ]
+}
diff --git a/src/modules/admin/config/courses/units/archive/selection.config.jsx b/src/modules/admin/config/courses/units/archive/selection.config.jsx
new file mode 100644
index 0000000..6cc4c31
--- /dev/null
+++ b/src/modules/admin/config/courses/units/archive/selection.config.jsx
@@ -0,0 +1,30 @@
+import { Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildSelectionActions({ exportConfig, onArchive, onArchiveMany, getTableInstance }) {
+  return [
+    {
+      key: "export-selected",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      onClick: (rows, table) =>
+        exportTableToExcel({
+          ...exportConfig,
+          selectedRows: rows,
+          tableInstance: table ?? getTableInstance(),
+        }),
+    },
+    {
+      key: "archive-selected",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive border-destructive/40 hover:bg-destructive/10 hover:text-destructive",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.asset_id);
+        ids.length === 1
+          ? onArchive(rows[0])
+          : onArchiveMany(ids);
+      },
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/units/archive/toolbar.config.jsx b/src/modules/admin/config/courses/units/archive/toolbar.config.jsx
new file mode 100644
index 0000000..0f5ef69
--- /dev/null
+++ b/src/modules/admin/config/courses/units/archive/toolbar.config.jsx
@@ -0,0 +1,57 @@
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildToolbarActions({
+  fetchUnits,
+  pagination,
+  exportConfig,
+  navigate,
+  courseId,
+  getFilters,
+  getSort,
+  getTableInstance,
+}) {
+  return [
+    {
+      key: "refresh",
+      type: "button",
+      label: "Refresh",
+      icon: <RefreshCw className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => fetchUnits({
+        page: 1,
+        limit: pagination?.limit ?? 10,
+        filters: getFilters(),
+        sort: getSort(),
+      }),
+    },
+    {
+      key: "export",
+      type: "button",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      variant: "outline",
+      onClick: () => exportTableToExcel({
+        ...exportConfig,
+        tableInstance: getTableInstance(),
+      }),
+    },
+    {
+      key: "create",
+      type: "button",
+      label: "New Unit",
+      icon: <Plus className="h-3.5 w-3.5" />,
+      variant: "default",
+      onClick: () => navigate(`/admin/courses/${courseId}/units/add`),
+    },
+    {
+      key: "archived-units",
+      type: "button",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      label: "Archived Units",
+      variant: "secondary",
+      className: "border border-border",
+      onClick: () => navigate("/admin/units/archived"),
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/units/columns.config.jsx b/src/modules/admin/config/courses/units/columns.config.jsx
index c5af0ee..1edd8bf 100644
--- a/src/modules/admin/config/courses/units/columns.config.jsx
+++ b/src/modules/admin/config/courses/units/columns.config.jsx
@@ -1,40 +1,47 @@
-// config/courses/units/columns.config.jsx
+// config/columns.config.jsx
+// Column definitions and pinning config for the Users table.
 
 import { Badge } from "@/components/ui/badge";
+import { Clock } from "lucide-react";
+import { buildColumns } from "@/utils/table.util";
+import { buildSelectionColumn } from "@/components/generic/Table/buildSelectionColumn";
+import { buildRowActionsColumn } from "@/components/generic/Table/buildRowActionsColumn";
+import { formatDuration } from "@/utils/timestamp.util";
 
 export const columnPinning = {
-  left: ["select", "title"],
   right: ["actions"],
+  left: [],
 };
 
-export function buildDataColumns(attributes, rowActions) {
-  const base = [
-    {
-      accessorKey: "title",
-      header: "Title",
-      cell: ({ row }) => (
-        <span className="font-medium">{row.original.title}</span>
-      ),
-    },
-    {
-      accessorKey: "description",
-      header: "Description",
-      cell: ({ row }) => (
-        <span className="text-muted-foreground text-sm truncate max-w-xs block">
-          {row.original.description ?? "—"}
-        </span>
-      ),
-    },
-    {
-      accessorKey: "order",
-      header: "Order",
-      cell: ({ row }) => (
-        <Badge variant="outline" className="text-xs">
-          {row.original.order}
-        </Badge>
-      ),
-    },
-  ];
+// ─── Custom cell overrides ────────────────────────────────────────────────────
+const cellOverrides = {
+  duration_seconds: (info) => {
+    const seconds = parseInt(info.getValue() ?? 0, 10);
 
-  return rowActions ? [...base, rowActions] : base;
-}
+    return (
+      <div className="flex items-center gap-1.5">
+        <Clock className="h-3.5 w-3.5 text-muted-foreground" />
+        <Badge variant="secondary" className="text-xs font-medium tabular-nums">
+          {formatDuration(seconds)}
+        </Badge>
+      </div>
+    );
+  },
+};
+
+/**
+ * Builds the full column array for the Users table.
+ *
+ * @param {Array}    attributes  Field definitions from the server (drives data columns)
+ * @param {Array}    rowActions  Row-level kebab action definitions
+ * @returns {Array}              TanStack column definitions
+ */
+export function buildDataColumns(attributes, rowActions) {
+  const visibleAttributes = attributes.filter((a) => !a.hidden);
+
+  return [
+    buildSelectionColumn(),
+    ...buildColumns(visibleAttributes, { cellOverrides }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "Unit Actions" }),
+  ];
+}
\ No newline at end of file
diff --git a/src/modules/admin/config/courses/units/rowActions.config.jsx b/src/modules/admin/config/courses/units/rowActions.config.jsx
index ddbb004..6a92abc 100644
--- a/src/modules/admin/config/courses/units/rowActions.config.jsx
+++ b/src/modules/admin/config/courses/units/rowActions.config.jsx
@@ -1,33 +1,42 @@
-import { Eye, Pencil, Trash2 } from "lucide-react";
+import { Eye, Pencil, Archive, BookCheck, NotebookPen } from "lucide-react";
 
-export function buildRowActions({ onView, onEdit, onArchive }) {
-  return {
-    id: "actions",
-    header: "",
-    cell: ({ row }) => (
-      <div className="flex items-center justify-end gap-1">
-        <button
-          type="button"
-          onClick={() => onView(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Eye className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onEdit(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-foreground"
-        >
-          <Pencil className="h-4 w-4" />
-        </button>
-        <button
-          type="button"
-          onClick={() => onArchive(row.original)}
-          className="p-1.5 rounded hover:bg-muted transition-colors text-muted-foreground hover:text-destructive"
-        >
-          <Trash2 className="h-4 w-4" />
-        </button>
-      </div>
-    ),
-  };
+export function buildRowActions({ onViewLessons, onView, onEdit, onArchive, onQuiz }) {
+  return [
+    {
+      key: "view",
+      label: "View Info",
+      icon: <Eye className="h-3.5 w-3.5" />,
+      onClick: (row) => onView(row),
+    },
+    {
+      key: "edit",
+      label: "Edit Info",
+      icon: <Pencil className="h-3.5 w-3.5" />,
+      onClick: (row) => onEdit(row),
+    },
+    {
+      key: "view_units",
+      label: "View Lessons",
+      icon: <BookCheck className="h-3.5 w-3.5" />,
+      className: "text-sky-700 hover:text-sky-600",
+      onClick: (row) => onViewLessons(row),
+      separator: true
+    },
+    {
+      key: "modify_quiz",
+      label: "Modify Quiz",
+      icon: <NotebookPen className="h-3.5 w-3.5" />,
+      className: "text-purple-700 hover:text-purple-600",
+      onClick: (row) => onQuiz(row),
+      separator: true
+    },
+    {
+      key: "archive",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive",
+      onClick: (row) => onArchive(row),
+      separator: true
+    },
+  ]
 }
diff --git a/src/modules/admin/config/courses/units/selection.config.jsx b/src/modules/admin/config/courses/units/selection.config.jsx
new file mode 100644
index 0000000..6cc4c31
--- /dev/null
+++ b/src/modules/admin/config/courses/units/selection.config.jsx
@@ -0,0 +1,30 @@
+import { Download, Archive } from "lucide-react";
+import { exportTableToExcel } from "@/utils/excel.util";
+
+export function buildSelectionActions({ exportConfig, onArchive, onArchiveMany, getTableInstance }) {
+  return [
+    {
+      key: "export-selected",
+      label: "Export",
+      icon: <Download className="h-3.5 w-3.5" />,
+      onClick: (rows, table) =>
+        exportTableToExcel({
+          ...exportConfig,
+          selectedRows: rows,
+          tableInstance: table ?? getTableInstance(),
+        }),
+    },
+    {
+      key: "archive-selected",
+      label: "Archive",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      className: "text-destructive border-destructive/40 hover:bg-destructive/10 hover:text-destructive",
+      onClick: (rows) => {
+        const ids = rows.map((r) => r.asset_id);
+        ids.length === 1
+          ? onArchive(rows[0])
+          : onArchiveMany(ids);
+      },
+    },
+  ];
+}
diff --git a/src/modules/admin/config/courses/units/toolbar.config.jsx b/src/modules/admin/config/courses/units/toolbar.config.jsx
index efe3b54..0f5ef69 100644
--- a/src/modules/admin/config/courses/units/toolbar.config.jsx
+++ b/src/modules/admin/config/courses/units/toolbar.config.jsx
@@ -1,4 +1,4 @@
-import { Plus, RefreshCw, Download } from "lucide-react";
+import { Plus, RefreshCw, Download, Archive } from "lucide-react";
 import { exportTableToExcel } from "@/utils/excel.util";
 
 export function buildToolbarActions({
@@ -42,7 +42,16 @@ export function buildToolbarActions({
       label: "New Unit",
       icon: <Plus className="h-3.5 w-3.5" />,
       variant: "default",
-      onClick: () => navigate(`/admin/courses/${courseId}/units/create`),
+      onClick: () => navigate(`/admin/courses/${courseId}/units/add`),
+    },
+    {
+      key: "archived-units",
+      type: "button",
+      icon: <Archive className="h-3.5 w-3.5" />,
+      label: "Archived Units",
+      variant: "secondary",
+      className: "border border-border",
+      onClick: () => navigate("/admin/units/archived"),
     },
   ];
 }
diff --git a/src/modules/admin/config/user_groups/rowActions.config.jsx b/src/modules/admin/config/user_groups/rowActions.config.jsx
index 040afe4..9c57b01 100644
--- a/src/modules/admin/config/user_groups/rowActions.config.jsx
+++ b/src/modules/admin/config/user_groups/rowActions.config.jsx
@@ -15,13 +15,13 @@ export function buildRowActions({ navigate, onEdit, onArchive }) {
   return [
     {
       key:     "view",
-      label:   "View details",
+      label:   "View Info",
       icon:    <Eye className="h-3.5 w-3.5" />,
       onClick: (row) => navigate(`view/${row.group_id}`),
     },
     {
       key:     "edit",
-      label:   "Edit details",
+      label:   "Edit Info",
       icon:    <Pencil className="h-3.5 w-3.5" />,
       onClick: (row) => onEdit(row),
     },
diff --git a/src/modules/admin/config/users/rowActions.config.jsx b/src/modules/admin/config/users/rowActions.config.jsx
index 66aff06..ec93ab9 100644
--- a/src/modules/admin/config/users/rowActions.config.jsx
+++ b/src/modules/admin/config/users/rowActions.config.jsx
@@ -15,13 +15,13 @@ export function buildRowActions({ navigate, onArchive }) {
   return [
     {
       key: "view",
-      label: "View details",
+      label: "View Info",
       icon: <Eye className="h-3.5 w-3.5" />,
       onClick: (row) => navigate(`view/${row.user_id}`),
     },
     {
       key: "edit",
-      label: "Edit details",
+      label: "Edit Info",
       icon: <Pencil className="h-3.5 w-3.5" />,
       onClick: (row) => navigate(`edit/${row.user_id}`),
       disabled: (row) => row.role === "super_admin",
diff --git a/src/modules/admin/layouts/AdminLayout.jsx b/src/modules/admin/layouts/AdminLayout.jsx
index 8bec925..b287da9 100644
--- a/src/modules/admin/layouts/AdminLayout.jsx
+++ b/src/modules/admin/layouts/AdminLayout.jsx
@@ -42,12 +42,12 @@ const AdminLayout = () => {
     }
 
     return (
-        <section id="philproperties-admin">
+        <section id="philproperties-admin" className="min-h-screen flex flex-col">
             <TooltipProvider>
-                <div className={cn('')} >
+                <div className={cn('sticky top-0 z-50 bg-background')} >
                     <div className="w-full flex items-center justify-between xs:px-4 lg:px-5 py-3">
                         <div className="flex gap-4 items-center">
-                            <div className="xs:hidden sm:block w-40 cursor-pointer" onClick={() => navigate(`/admin/${id}`)}>
+                            <div className="xs:hidden sm:block w-40 cursor-pointer" onClick={() => navigate(`/admin`)}>
                                 <img src="/philpro-white.png" alt="" className="object-cover" />
                             </div>
                             <div>
@@ -81,11 +81,16 @@ const AdminLayout = () => {
 
                 {/* ─── All admin contexts live here, scoped to admin routes only ── */}
                 <AdminProvider>
-                    <div id="main-body">
+                    <div id="main-body" className="bg-slate-100 flex-1 flex flex-col">
                         <Outlet />
                         <Toaster position="bottom-right" richColors />
                     </div>
                 </AdminProvider>
+
+                {/* Footer sits outside AdminProvider, at the bottom of the flex column */}
+                <footer className="w-full py-4 px-5 text-right text-sm text-muted-foreground">
+                    © Philproperties, 2026
+                </footer>
             </TooltipProvider>
         </section>
     )
diff --git a/src/modules/admin/pages/AdminDashboard.jsx b/src/modules/admin/pages/AdminDashboard.jsx
index 4629a3f..5cce363 100644
--- a/src/modules/admin/pages/AdminDashboard.jsx
+++ b/src/modules/admin/pages/AdminDashboard.jsx
@@ -13,7 +13,7 @@ export default function AdminDashboard() {
     return (
         <div>
             {/* ── Sticky tab bar — driven by the same array ── */}
-            <div className="sticky top-0 z-10 bg-background border-b">
+            <div className="sticky z-10 bg-background border-b" style={{ top: 'var(--navbar-h)' }}>
                 <Tabs defaultValue="">
                     <ScrollArea className="max-w-full overflow-x-auto w-full">
                         <TabsList className="bg-background rounded-none justify-start mx-2 my-1 flex gap-1">
@@ -38,7 +38,7 @@ export default function AdminDashboard() {
 
             {/* ── Sections — same array, one DashboardGrid per entry ── */}
             {ADMIN_SECTIONS.map((s) => (
-                <div key={s.id} id={s.id} className="scroll-mt-12 min-h-64">
+                <div key={s.id} id={s.id} style={{ scrollMarginTop: 'calc(var(--navbar-h) + 40px)' }} className="min-h-64">
                     {s.tiles.length > 0 ? (
                         <DashboardGrid sections={[s]} />
                     ) : (
diff --git a/src/modules/admin/pages/courses/AddCourse.jsx b/src/modules/admin/pages/courses/AddCourse.jsx
new file mode 100644
index 0000000..5f8477d
--- /dev/null
+++ b/src/modules/admin/pages/courses/AddCourse.jsx
@@ -0,0 +1,251 @@
+import { useNavigate } from "react-router-dom";
+import { useForm, useFieldArray } from "react-hook-form";
+import { z } from "zod";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { ArrowLeft, House, Plus, Trash2 } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { useAuth } from "@/contexts/AuthContext";
+import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Textarea } from "@/components/ui/textarea";
+import { Spinner } from "@/components/ui/spinner";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+
+// ─── Schema ───────────────────────────────────────────────────────────────────
+
+const schema = z.object({
+  title: z.string().min(1, "Title is required."),
+  description: z.string().optional(),
+  course_code: z.string().optional(),
+  order_index: z.coerce.number().min(0).default(0),
+  level: z.enum(["beginner", "intermediate", "advanced"]).optional(),
+  subscription: z.enum(["free", "premium"]).default("free"),
+  objectives: z.array(z.object({ text: z.string().min(1, "Objective cannot be empty.") })).default([]),
+});
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+function FieldError({ message }) {
+  if (!message) return null;
+  return <p className="text-xs text-destructive mt-1">{message}</p>;
+}
+
+function SectionCard({ title, description, children }) {
+  return (
+    <div className="rounded-lg border bg-card p-6 space-y-5">
+      {(title || description) && (
+        <div className="space-y-0.5 pb-1 border-b">
+          {title && <h2 className="text-sm font-semibold">{title}</h2>}
+          {description && <p className="text-xs text-muted-foreground">{description}</p>}
+        </div>
+      )}
+      {children}
+    </div>
+  );
+}
+
+// ─── Page ─────────────────────────────────────────────────────────────────────
+
+export default function AddCourse() {
+  const navigate = useNavigate();
+  const { createCourse, loading } = useCourses();
+  const { user } = useAuth();
+
+  const {
+    register,
+    handleSubmit,
+    control,
+    setValue,
+    watch,
+    formState: { errors },
+  } = useForm({
+    resolver: zodResolver(schema),
+    defaultValues: {
+      title: "",
+      description: "",
+      course_code: "",
+      order_index: 0,
+      level: "beginner",
+      subscription: "free",
+      objectives: [],
+    },
+  });
+
+  const { fields: objectiveFields, append: appendObjective, remove: removeObjective } =
+    useFieldArray({ control, name: "objectives" });
+
+  const onSubmit = async (values) => {
+    const payload = {
+      ...values,
+      objectives: values.objectives.map((o) => o.text),
+      level: values.level || null,
+      course_code: values.course_code || null,
+      createdBy: user?.user_id ?? null,
+    };
+
+    const result = await createCourse(payload);
+    if (!result) return;
+    navigate("/admin/courses");
+  };
+
+  return (
+    <section className="bg-muted/60 min-h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4 py-10">
+
+        <div className="w-full max-w-2xl mx-auto">
+          <div className="flex items-center gap-3 mb-6">
+            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+              <ArrowLeft className="h-4 w-4" />
+            </Button>
+            <div>
+              <h1 className="text-xl font-semibold">Course Details</h1>
+              <p className="text-sm text-muted-foreground">View course information.</p>
+            </div>
+          </div>
+
+          <form onSubmit={handleSubmit(onSubmit)} className="space-y-5">
+
+            {/* ── Basic Info ── */}
+            <SectionCard title="Basic Information">
+
+              <div className="space-y-1.5">
+                <Label htmlFor="title">Title <span className="text-destructive">*</span></Label>
+                <Input id="title" placeholder="e.g. Introduction to Real Estate" {...register("title")} />
+                <FieldError message={errors.title?.message} />
+              </div>
+
+              <div className="space-y-1.5">
+                <Label htmlFor="description">Description</Label>
+                <Textarea id="description" placeholder="Optional course description" rows={3} {...register("description")} />
+              </div>
+
+              <div className="grid grid-cols-2 gap-4">
+                <div className="space-y-1.5">
+                  <Label htmlFor="course_code">Course Code</Label>
+                  <Input id="course_code" placeholder="e.g. RE-101" {...register("course_code")} />
+                  <FieldError message={errors.course_code?.message} />
+                </div>
+                <div className="space-y-1.5">
+                  <Label htmlFor="order_index">Order</Label>
+                  <Input id="order_index" type="number" min={0} {...register("order_index")} />
+                  <FieldError message={errors.order_index?.message} />
+                </div>
+              </div>
+
+            </SectionCard>
+
+            {/* ── Settings ── */}
+            <SectionCard title="Settings">
+
+              <div className="grid grid-cols-2 gap-4">
+
+                <div className="space-y-1.5">
+                  <Label>Level</Label>
+                  <Select
+                    value={watch("level") ?? ""}
+                    onValueChange={(val) => setValue("level", val, { shouldDirty: true })}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select level" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="beginner">Beginner</SelectItem>
+                      <SelectItem value="intermediate">Intermediate</SelectItem>
+                      <SelectItem value="advanced">Advanced</SelectItem>
+                    </SelectContent>
+                  </Select>
+                  <FieldError message={errors.level?.message} />
+                </div>
+
+                <div className="space-y-1.5">
+                  <Label>Subscription</Label>
+                  <Select
+                    value={watch("subscription") ?? "free"}
+                    onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select subscription" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="free">Free</SelectItem>
+                      <SelectItem value="premium">Premium</SelectItem>
+                    </SelectContent>
+                  </Select>
+                  <FieldError message={errors.subscription?.message} />
+                </div>
+
+              </div>
+
+            </SectionCard>
+
+            {/* ── Objectives ── */}
+            <SectionCard
+              title="Learning Objectives"
+              description="What will learners be able to do after completing this course?"
+            >
+              <div className="space-y-2">
+                {objectiveFields.map((field, index) => (
+                  <div key={field.id} className="flex items-start gap-2">
+                    <div className="flex-1 space-y-1">
+                      <Input
+                        placeholder={`Objective ${index + 1}`}
+                        {...register(`objectives.${index}.text`)}
+                      />
+                      <FieldError message={errors.objectives?.[index]?.text?.message} />
+                    </div>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      className="mt-0.5 text-muted-foreground hover:text-destructive"
+                      onClick={() => removeObjective(index)}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+
+                <Button
+                  type="button"
+                  variant="outline"
+                  size="sm"
+                  className="w-full mt-1"
+                  onClick={() => appendObjective({ text: "" })}
+                >
+                  <Plus className="h-4 w-4 mr-2" />
+                  Add Objective
+                </Button>
+              </div>
+            </SectionCard>
+
+            {/* ── Actions ── */}
+            <div className="flex justify-end gap-3 pt-1">
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => navigate(-1)}
+                disabled={loading}
+              >
+                Cancel
+              </Button>
+              <Button type="submit" disabled={loading}>
+                {loading && <Spinner className="h-4 w-4 mr-2" />}
+                Create Course
+              </Button>
+            </div>
+
+          </form>
+        </div>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/ArchivedCourseList.jsx b/src/modules/admin/pages/courses/ArchivedCourseList.jsx
new file mode 100644
index 0000000..c755797
--- /dev/null
+++ b/src/modules/admin/pages/courses/ArchivedCourseList.jsx
@@ -0,0 +1,24 @@
+import { House } from "lucide-react";
+import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
+import ArchivedCoursesTable from "../../components/courses/ArchivedCourseTable";
+
+export default function ArchivedCourseList() {
+  const items = [
+    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
+    { label: "Courses", to: "/admin/courses" },
+    { label: "Archived" },
+  ];
+
+  return (
+    <section className="bg-muted/60 h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
+        <div className="flex flex-col gap-2 my-6">
+          <AppBreadcrumb items={items} />
+        </div>
+        <div className="w-full">
+          <ArchivedCoursesTable />
+        </div>
+      </div>
+    </section>
+  );
+}
diff --git a/src/modules/admin/pages/courses/CourseAssessment.jsx b/src/modules/admin/pages/courses/CourseAssessment.jsx
new file mode 100644
index 0000000..6d2a812
--- /dev/null
+++ b/src/modules/admin/pages/courses/CourseAssessment.jsx
@@ -0,0 +1,560 @@
+import { useEffect, useRef, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { ArrowLeft, House, Plus, Save, ClipboardList, ChevronUp, ChevronDown } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { useAuth } from "@/contexts/AuthContext";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Spinner } from "@/components/ui/spinner";
+import { Checkbox } from "@/components/ui/checkbox";
+import { cn } from "@/lib/utils";
+import { QuestionCard, makeQuestion } from "../../components/courses/QuestionEditor";
+
+// ── Validation ────────────────────────────────────────────────────────────────
+
+function validate(questions) {
+  const errors = {};
+  questions.forEach((q, i) => {
+    const qErr = {};
+    if (!q.question?.trim()) qErr.question = "Question text is required.";
+    const correctCount = q.options.filter((o) => o.is_correct).length;
+    if (correctCount === 0) qErr.options = "At least one correct answer is required.";
+    if (q.options.some((o) => !o.text?.trim())) qErr.options = "All option texts are required.";
+    if (Object.keys(qErr).length) errors[i] = qErr;
+  });
+  return errors;
+}
+
+// ── Jump to input ─────────────────────────────────────────────────────────────
+
+function JumpToInput({ max, onJump }) {
+  const [val, setVal] = useState("");
+
+  const handleJump = () => {
+    const n = parseInt(val, 10);
+    if (!isNaN(n) && n >= 1 && n <= max) {
+      onJump(n - 1);
+      setVal("");
+    }
+  };
+
+  return (
+    <div className="flex gap-1">
+      <Input
+        type="number"
+        min={1}
+        max={max}
+        value={val}
+        onChange={(e) => setVal(e.target.value)}
+        onKeyDown={(e) => e.key === "Enter" && handleJump()}
+        placeholder={`1–${max}`}
+        className="h-7 text-xs"
+      />
+      <Button
+        type="button"
+        size="sm"
+        variant="outline"
+        className="h-7 px-2 text-xs shrink-0"
+        onClick={handleJump}
+      >
+        Go
+      </Button>
+    </div>
+  );
+}
+
+// ── Question Navigator ────────────────────────────────────────────────────────
+
+const TYPE_LABEL = {
+  multiple_choice: "MC",
+  multi_select: "MS",
+  true_false: "TF",
+};
+
+function QuestionNavigator({ questions, activeIndex, onJump, onMove, navItemRefs, errors }) {
+  return (
+    <div className="flex flex-col h-full">
+
+      {/* Header */}
+      <div className="px-3 py-3 border-b shrink-0">
+        <p className="text-xs font-medium text-muted-foreground uppercase tracking-wide">
+          Questions
+        </p>
+        <p className="text-xs text-muted-foreground mt-0.5">
+          {questions.length} total
+        </p>
+      </div>
+
+      {/* Scrollable list */}
+      <div className="flex-1 overflow-y-auto py-2">
+        {questions.length === 0 ? (
+          <p className="text-xs text-muted-foreground text-center py-8 px-3">
+            No questions yet.
+          </p>
+        ) : (
+          <div className="space-y-0.5 px-2">
+            {questions.map((q, i) => {
+              const isActive = i === activeIndex;
+              const hasError = !!errors?.[i];
+              const typeLabel = TYPE_LABEL[q.type] ?? "Q";
+
+              return (
+                <div
+                  key={q._tempId ?? q.question_id ?? i}
+                  ref={(el) => (navItemRefs.current[i] = el)}
+                  onClick={() => onJump(i)}
+                  className={cn(
+                    "group flex items-center gap-1.5 rounded-md px-2 py-1.5 cursor-pointer transition-colors",
+                    isActive
+                      ? "bg-primary/10 text-primary"
+                      : hasError
+                        ? "bg-destructive/10 text-destructive hover:bg-destructive/20"
+                        : "hover:bg-muted text-foreground"
+                  )}
+                >
+                  {/* Number badge */}
+                  <span className={cn(
+                    "flex h-5 w-5 shrink-0 items-center justify-center rounded text-[10px] font-semibold",
+                    isActive
+                      ? "bg-primary text-primary-foreground"
+                      : hasError
+                        ? "bg-destructive text-destructive-foreground"
+                        : "bg-muted-foreground/20 text-muted-foreground"
+                  )}>
+                    {i + 1}
+                  </span>
+
+                  {/* Type */}
+                  <span className="text-[10px] font-medium text-muted-foreground shrink-0 w-5">
+                    {typeLabel}
+                  </span>
+
+                  {/* Question preview */}
+                  <span className="flex-1 text-xs truncate min-w-0">
+                    {q.question?.trim()
+                      ? q.question.trim()
+                      : <span className="italic text-muted-foreground">Untitled</span>
+                    }
+                  </span>
+
+                  {/* Move buttons — show on hover */}
+                  <div className="hidden group-hover:flex items-center gap-0.5 shrink-0">
+                    <button
+                      type="button"
+                      onClick={(e) => { e.stopPropagation(); onMove(i, "up"); }}
+                      disabled={i === 0}
+                      className="h-4 w-4 flex items-center justify-center rounded hover:bg-muted-foreground/20 disabled:opacity-30 transition-colors"
+                    >
+                      <ChevronUp className="h-3 w-3" />
+                    </button>
+                    <button
+                      type="button"
+                      onClick={(e) => { e.stopPropagation(); onMove(i, "down"); }}
+                      disabled={i === questions.length - 1}
+                      className="h-4 w-4 flex items-center justify-center rounded hover:bg-muted-foreground/20 disabled:opacity-30 transition-colors"
+                    >
+                      <ChevronDown className="h-3 w-3" />
+                    </button>
+                  </div>
+                </div>
+              );
+            })}
+          </div>
+        )}
+      </div>
+
+      {/* Jump to — only when enough questions */}
+      {questions.length > 5 && (
+        <div className="px-3 py-3 border-t shrink-0 space-y-1.5">
+          <p className="text-xs text-muted-foreground">Jump to question</p>
+          <JumpToInput max={questions.length} onJump={onJump} />
+        </div>
+      )}
+
+    </div>
+  );
+}
+
+// ── Main Page ─────────────────────────────────────────────────────────────────
+
+export default function CourseAssessment() {
+  const navigate = useNavigate();
+  const { courseId } = useParams();
+  const {
+    fetchAssessment, createAssessment, updateAssessment,
+    createAssessmentQuestion, updateAssessmentQuestion,
+    course, assessment, loading,
+  } = useCourses();
+  const { user } = useAuth();
+
+  const [initializing, setInitializing] = useState(true);
+  const [questions, setQuestions] = useState([]);
+  const [errors, setErrors] = useState({});
+  const [activeIndex, setActiveIndex] = useState(0);
+
+  const [title, setTitle] = useState("");
+  const [passingScore, setPassingScore] = useState(70);
+  const [timeLimit, setTimeLimit] = useState("");
+  const [isRequired, setIsRequired] = useState(false);
+  const [maxQuestions, setMaxQuestions] = useState("");
+
+  const questionRefs = useRef([]);
+  const navItemRefs = useRef([]);
+  const headerRef = useRef(null);
+
+  // ── Fetch ──────────────────────────────────────────────────────────────────
+  useEffect(() => {
+    (async () => {
+      await fetchAssessment(courseId);
+      setInitializing(false);
+    })();
+  }, [courseId]);
+
+  // ── Seed ──────────────────────────────────────────────────────────────────
+  useEffect(() => {
+    if (!assessment) return;
+    setTitle(assessment.title ?? "");
+    setPassingScore(assessment.passing_score ?? 70);
+    setTimeLimit(assessment.time_limit_minutes ?? "");
+    setIsRequired(assessment.is_required === true || assessment.is_required === 1);
+    setMaxQuestions(assessment.max_questions ?? "");
+    setQuestions(
+      (assessment.questions ?? []).map((q) => ({
+        ...q,
+        _tempId: q.question_id,
+        options: q.options ?? [],
+      }))
+    );
+  }, [assessment]);
+
+  // ── Measure sticky header → --assessment-h ────────────────────────────────
+  useEffect(() => {
+    if (!headerRef.current) return;
+    const update = () => {
+      document.documentElement.style.setProperty(
+        "--assessment-h",
+        `${headerRef.current.offsetHeight}px`
+      );
+    };
+    update();
+    window.addEventListener("resize", update);
+    return () => window.removeEventListener("resize", update);
+  }, []);
+
+  // ── Scroll to keep active nav item visible ─────────────────────────────────
+  useEffect(() => {
+    navItemRefs.current[activeIndex]?.scrollIntoView({
+      behavior: "smooth",
+      block: "nearest",
+    });
+  }, [activeIndex]);
+
+  // ── IntersectionObserver — highlight nav as user scrolls ──────────────────
+  useEffect(() => {
+    if (!questions.length) return;
+    const observers = [];
+
+    questionRefs.current.forEach((el, i) => {
+      if (!el) return;
+      const observer = new IntersectionObserver(
+        ([entry]) => { if (entry.isIntersecting) setActiveIndex(i); },
+        { rootMargin: "-20% 0px -70% 0px", threshold: 0 }
+      );
+      observer.observe(el);
+      observers.push(observer);
+    });
+
+    return () => observers.forEach((o) => o.disconnect());
+  }, [questions.length]);
+
+  // ── Scroll helper with sticky offset ──────────────────────────────────────
+  const scrollToQuestion = (index) => {
+    const el = questionRefs.current[index];
+    if (!el) return;
+    const navbarH = parseInt(getComputedStyle(document.documentElement).getPropertyValue("--navbar-h") || "0", 10);
+    const assessmentH = parseInt(getComputedStyle(document.documentElement).getPropertyValue("--assessment-h") || "0", 10);
+    const offset = navbarH + assessmentH + 16;
+    const top = el.getBoundingClientRect().top + window.scrollY - offset;
+    window.scrollTo({ top, behavior: "smooth" });
+  };
+
+  // ── Question actions ───────────────────────────────────────────────────────
+  const addQuestion = (type = "multiple_choice") => {
+    setQuestions((prev) => {
+      const next = [...prev, { ...makeQuestion(type), order_index: prev.length }];
+      setTimeout(() => {
+        const idx = next.length - 1;
+        setActiveIndex(idx);
+        scrollToQuestion(idx);
+      }, 50);
+      return next;
+    });
+  };
+
+  const updateQuestion = (index, updated) => {
+    setQuestions((prev) => prev.map((q, i) => i === index ? updated : q));
+    setErrors((prev) => { const e = { ...prev }; delete e[index]; return e; });
+  };
+
+  const removeQuestion = (index) => {
+    setQuestions((prev) => prev.filter((_, i) => i !== index));
+    setActiveIndex((prev) => Math.max(0, prev >= index ? prev - 1 : prev));
+  };
+
+  const moveQuestion = (index, direction) => {
+    setQuestions((prev) => {
+      const next = [...prev];
+      const swapIndex = direction === "up" ? index - 1 : index + 1;
+      if (swapIndex < 0 || swapIndex >= next.length) return prev;
+      [next[index], next[swapIndex]] = [next[swapIndex], next[index]];
+      return next;
+    });
+    const newIndex = direction === "up" ? index - 1 : index + 1;
+    setActiveIndex(newIndex);
+    setTimeout(() => scrollToQuestion(newIndex), 50);
+  };
+
+  const jumpTo = (index) => {
+    setActiveIndex(index);
+    scrollToQuestion(index);
+  };
+
+  const totalPoints = questions.reduce((sum, q) => sum + (q.points ?? 1), 0);
+
+  // ── Save ───────────────────────────────────────────────────────────────────
+  const handleSave = async () => {
+    const errs = validate(questions);
+    if (Object.keys(errs).length) {
+      setErrors(errs);
+      // Jump to first error
+      const firstErr = parseInt(Object.keys(errs)[0], 10);
+      jumpTo(firstErr);
+      return;
+    }
+
+    let assessmentId = assessment?.assessment_id;
+    const meta = {
+      title: title || "Course Assessment",
+      passing_score: passingScore,
+      time_limit_minutes: timeLimit ? parseInt(timeLimit) : null,
+      is_required: isRequired,
+      max_questions: maxQuestions ? parseInt(maxQuestions) : null,
+      updatedBy: user?.user_id,
+      createdBy: user?.user_id,
+    };
+
+    if (!assessmentId) {
+      const res = await createAssessment(courseId, meta);
+      assessmentId = res?.data?.data?.data?.assessment_id;
+      if (!assessmentId) return;
+    } else {
+      await updateAssessment(courseId, assessmentId, meta);
+    }
+
+    for (let i = 0; i < questions.length; i++) {
+      const q = { ...questions[i], order_index: i, updatedBy: user?.user_id };
+      if (q.question_id) {
+        await updateAssessmentQuestion(courseId, assessmentId, q.question_id, q);
+      } else {
+        await createAssessmentQuestion(courseId, assessmentId, q);
+      }
+    }
+
+    navigate(-1);
+  };
+
+  // ── Render ─────────────────────────────────────────────────────────────────
+  return (
+    <div className="flex flex-col min-h-screen bg-muted/60">
+
+      {/* ── Sticky header ── */}
+      <div
+        ref={headerRef}
+        className="sticky z-20 shrink-0 border-b bg-white/70 dark:bg-zinc-900/70 backdrop-blur-md"
+        style={{ top: "var(--navbar-h)" }}
+      >
+        <div className="lg:container lg:mx-auto lg:px-6 px-4">
+          <div className="flex items-center gap-3 py-3">
+            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+              <ArrowLeft className="h-4 w-4" />
+            </Button>
+            <div className="flex-1 min-w-0">
+              <h1 className="text-xl font-semibold leading-tight flex items-center gap-2">
+                <ClipboardList className="h-5 w-5 text-muted-foreground" />
+                Course Assessment
+              </h1>
+              <p className="text-sm text-muted-foreground">
+                {questions.length} question{questions.length !== 1 ? "s" : ""} · {totalPoints} total point{totalPoints !== 1 ? "s" : ""}
+              </p>
+            </div>
+            <Button onClick={handleSave} disabled={loading}>
+              {loading ? <Spinner className="h-4 w-4 mr-2" /> : <Save className="h-4 w-4 mr-2" />}
+              Save Assessment
+            </Button>
+          </div>
+        </div>
+      </div>
+
+      {/* ── Split layout ── */}
+      <div className="flex flex-1 lg:container lg:mx-auto lg:px-6 px-0 w-full items-start">
+
+        {/* LEFT — Navigator (desktop only) */}
+        <div
+          className="hidden lg:flex flex-col w-60 shrink-0 border-r bg-background"
+          style={{
+            position: "sticky",
+            top: `calc(var(--navbar-h) + var(--assessment-h, 0px))`,
+            height: `calc(100vh - var(--navbar-h) - var(--assessment-h, 0px))`,
+          }}
+        >
+          <QuestionNavigator
+            questions={questions}
+            activeIndex={activeIndex}
+            onJump={jumpTo}
+            onMove={moveQuestion}
+            navItemRefs={navItemRefs}
+            errors={errors}
+          />
+        </div>
+
+        {/* RIGHT — Main content */}
+        <div className="flex-1 min-w-0 px-4 lg:px-8 py-6">
+          {initializing ? (
+            <div className="flex items-center justify-center py-20">
+              <Spinner className="h-6 w-6" />
+            </div>
+          ) : (
+            <div className="max-w-5xl space-y-6 pb-16">
+
+              {/* ── Settings ── */}
+              <div className="rounded-lg border bg-card p-6 space-y-5">
+                <p className="text-sm font-medium">Settings</p>
+
+                <div className="space-y-1.5">
+                  <Label>Title</Label>
+                  <Input
+                    value={title}
+                    onChange={(e) => setTitle(e.target.value)}
+                    placeholder="Course Assessment"
+                  />
+                </div>
+
+                <div className="grid grid-cols-2 gap-4">
+                  <div className="space-y-1.5">
+                    <Label>Passing Score (%)</Label>
+                    <Input
+                      type="number"
+                      min={0}
+                      max={100}
+                      value={passingScore}
+                      onChange={(e) => setPassingScore(parseInt(e.target.value) || 0)}
+                    />
+                  </div>
+                  <div className="space-y-1.5">
+                    <Label>
+                      Time Limit{" "}
+                      <span className="text-muted-foreground font-normal text-xs">(mins, blank = none)</span>
+                    </Label>
+                    <Input
+                      type="number"
+                      min={1}
+                      value={timeLimit}
+                      onChange={(e) => setTimeLimit(e.target.value)}
+                      placeholder="No limit"
+                    />
+                  </div>
+                  <div className="space-y-1.5">
+                    <Label>
+                      Max Questions{" "}
+                      <span className="text-muted-foreground font-normal text-xs">(blank = show all)</span>
+                    </Label>
+                    <Input
+                      type="number" min={1} max={questions.length || undefined}
+                      value={maxQuestions}
+                      onChange={(e) => setMaxQuestions(e.target.value)}
+                      placeholder={`All (${questions.length})`}
+                    />
+                  </div>
+                </div>
+
+                <div className="flex items-center gap-3">
+                  <Checkbox
+                    id="assessment_required"
+                    checked={isRequired === true}
+                    onCheckedChange={(val) => setIsRequired(val)}
+                  />
+                  <Label htmlFor="assessment_required" className="cursor-pointer">
+                    Required to complete course
+                  </Label>
+                </div>
+              </div>
+
+              {maxQuestions && parseInt(maxQuestions) < questions.length && (
+                <p className="text-xs text-muted-foreground bg-muted rounded-md px-3 py-2">
+                  Takers will see <strong>{maxQuestions}</strong> randomly selected questions
+                  out of <strong>{questions.length}</strong> in the pool.
+                </p>
+              )}
+
+              {/* ── Questions ── */}
+              <div className="space-y-4">
+                {questions.length === 0 ? (
+                  <div className="rounded-lg border border-dashed bg-card p-12 flex flex-col items-center gap-3 text-center">
+                    <ClipboardList className="h-8 w-8 text-muted-foreground/40" />
+                    <p className="text-sm text-muted-foreground">
+                      No questions yet. Add one below.
+                    </p>
+                  </div>
+                ) : (
+                  questions.map((q, i) => (
+                    <div
+                      key={q._tempId ?? q.question_id ?? i}
+                      ref={(el) => (questionRefs.current[i] = el)}
+                      onClick={() => setActiveIndex(i)}
+                    >
+                      <QuestionCard
+                        question={q}
+                        index={i}
+                        onChange={(updated) => updateQuestion(i, updated)}
+                        onRemove={() => removeQuestion(i)}
+                        error={errors[i]}
+                      />
+                    </div>
+                  ))
+                )}
+              </div>
+
+              {/* ── Add question ── */}
+              <div className="rounded-lg border bg-card p-4">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium mb-3">
+                  Add Question
+                </p>
+                <div className="flex flex-wrap gap-2">
+                  {[
+                    { type: "multiple_choice", label: "Multiple Choice" },
+                    { type: "multi_select", label: "Multi Select" },
+                    { type: "true_false", label: "True / False" },
+                  ].map(({ type, label }) => (
+                    <Button
+                      key={type}
+                      type="button"
+                      variant="outline"
+                      size="sm"
+                      onClick={() => addQuestion(type)}
+                    >
+                      <Plus className="h-3.5 w-3.5 mr-1" />
+                      {label}
+                    </Button>
+                  ))}
+                </div>
+              </div>
+
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/CourseDetail.jsx b/src/modules/admin/pages/courses/CourseDetail.jsx
deleted file mode 100644
index 3de1d7d..0000000
--- a/src/modules/admin/pages/courses/CourseDetail.jsx
+++ /dev/null
@@ -1,73 +0,0 @@
-import { useEffect, useState } from "react";
-import { useNavigate, useParams } from "react-router-dom";
-import { ArrowLeft, House, Plus } from "lucide-react";
-
-import { useCourses } from "@/contexts/AdminCoursesContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
-import { Button } from "@/components/ui/button";
-import { Spinner } from "@/components/ui/spinner";
-import UnitsTable from "../../components/courses/UnitsTable";
-
-export default function CourseDetail() {
-  const navigate = useNavigate();
-  const { courseId } = useParams();
-  const { fetchCourse, course, loading } = useCourses();
-  const [initializing, setInitializing] = useState(true);
-
-  useEffect(() => {
-    (async () => {
-      await fetchCourse(courseId);
-      setInitializing(false);
-    })();
-  }, [courseId]);
-
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "..." },
-  ];
-
-  // Replace the loading check
-  if (initializing) {
-    return (
-      <div className="flex items-center justify-center h-64">
-        <Spinner className="h-6 w-6" />
-      </div>
-    );
-  }
-
-  return (
-    <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
-
-        <div className="w-full space-y-6">
-
-          {/* ── Course header ── */}
-          <div className="flex items-center justify-between">
-            <div className="flex items-center gap-3">
-              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
-                <ArrowLeft className="h-4 w-4" />
-              </Button>
-              <div>
-                <h1 className="text-xl font-semibold">{course?.title}</h1>
-                {course?.description && (
-                  <p className="text-sm text-muted-foreground">{course.description}</p>
-                )}
-              </div>
-            </div>
-            <Button onClick={() => navigate(`/admin/courses/${courseId}/edit`)}>
-              Edit Course
-            </Button>
-          </div>
-
-          {/* ── Units ── */}
-          <UnitsTable courseId={courseId} />
-
-        </div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/modules/admin/pages/courses/CreateCourse.jsx b/src/modules/admin/pages/courses/CreateCourse.jsx
deleted file mode 100644
index 1094c5e..0000000
--- a/src/modules/admin/pages/courses/CreateCourse.jsx
+++ /dev/null
@@ -1,103 +0,0 @@
-import { useNavigate } from "react-router-dom";
-import { useForm } from "react-hook-form";
-import { z } from "zod";
-import { zodResolver } from "@hookform/resolvers/zod";
-import { ArrowLeft } from "lucide-react";
-import { House } from "lucide-react";
-
-import { useCourses } from "@/contexts/AdminCoursesContext";
-import { useAuth } from "@/contexts/AuthContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import { Label } from "@/components/ui/label";
-import { Textarea } from "@/components/ui/textarea";
-import { Spinner } from "@/components/ui/spinner";
-
-const schema = z.object({
-  title: z.string().min(1, "Title is required."),
-  description: z.string().optional(),
-  order: z.coerce.number().min(0).default(0),
-});
-
-function FieldError({ message }) {
-  if (!message) return null;
-  return <p className="text-xs text-destructive mt-1">{message}</p>;
-}
-
-export default function CreateCourse() {
-  const navigate = useNavigate();
-  const { createCourse, loading } = useCourses();
-  const { user } = useAuth();
-
-  const { register, handleSubmit, formState: { errors } } = useForm({
-    resolver: zodResolver(schema),
-    defaultValues: { title: "", description: "", order: 0 },
-  });
-
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: "Create" },
-  ];
-
-  const onSubmit = async (data) => {
-    const result = await createCourse({ ...data, createdBy: user?.user_id });
-    if (!result) return;
-    navigate("/admin/courses");
-  };
-
-  return (
-    <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
-
-        <div className="w-full max-w-2xl">
-          <div className="flex items-center gap-3 mb-6">
-            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
-              <ArrowLeft className="h-4 w-4" />
-            </Button>
-            <div>
-              <h1 className="text-xl font-semibold">Create Course</h1>
-              <p className="text-sm text-muted-foreground">Add a new course.</p>
-            </div>
-          </div>
-
-          <form onSubmit={handleSubmit(onSubmit)} className="space-y-6">
-            <div className="rounded-lg border bg-card p-6 space-y-5">
-
-              <div className="space-y-1.5">
-                <Label htmlFor="title">Title <span className="text-destructive">*</span></Label>
-                <Input id="title" placeholder="Course title" {...register("title")} />
-                <FieldError message={errors.title?.message} />
-              </div>
-
-              <div className="space-y-1.5">
-                <Label htmlFor="description">Description</Label>
-                <Textarea id="description" placeholder="Optional description" rows={3} {...register("description")} />
-              </div>
-
-              <div className="space-y-1.5 max-w-[120px]">
-                <Label htmlFor="order">Order</Label>
-                <Input id="order" type="number" min={0} {...register("order")} />
-              </div>
-
-            </div>
-
-            <div className="flex justify-end gap-3">
-              <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
-                Cancel
-              </Button>
-              <Button type="submit" disabled={loading}>
-                {loading && <Spinner className="h-4 w-4 mr-2" />}
-                Create Course
-              </Button>
-            </div>
-          </form>
-        </div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/modules/admin/pages/courses/EditCourse.jsx b/src/modules/admin/pages/courses/EditCourse.jsx
index da50267..28f7fe2 100644
--- a/src/modules/admin/pages/courses/EditCourse.jsx
+++ b/src/modules/admin/pages/courses/EditCourse.jsx
@@ -1,9 +1,9 @@
 import { useEffect } from "react";
 import { useNavigate, useParams } from "react-router-dom";
-import { useForm } from "react-hook-form";
+import { useForm, useFieldArray } from "react-hook-form";
 import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
-import { ArrowLeft, House } from "lucide-react";
+import { ArrowLeft, House, Plus, Trash2 } from "lucide-react";
 
 import { useCourses } from "@/contexts/AdminCoursesContext";
 import { useAuth } from "@/contexts/AuthContext";
@@ -13,63 +13,129 @@ import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Textarea } from "@/components/ui/textarea";
 import { Spinner } from "@/components/ui/spinner";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+
+// ─── Schema ───────────────────────────────────────────────────────────────────
 
 const schema = z.object({
   title: z.string().min(1, "Title is required."),
   description: z.string().optional(),
-  order: z.coerce.number().min(0).default(0),
+  course_code: z.string().optional(),
+  order_index: z.coerce.number().min(0).default(0),
+  level: z.enum(["beginner", "intermediate", "advanced"]).optional(),
+  subscription: z.enum(["free", "premium"]).default("free"),
+  objectives: z.array(z.object({ text: z.string().min(1, "Objective cannot be empty.") })).default([]),
 });
 
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
 function FieldError({ message }) {
   if (!message) return null;
   return <p className="text-xs text-destructive mt-1">{message}</p>;
 }
 
+function SectionCard({ title, description, children }) {
+  return (
+    <div className="rounded-lg border bg-card p-6 space-y-5">
+      {(title || description) && (
+        <div className="space-y-0.5 pb-1 border-b">
+          {title && <h2 className="text-sm font-semibold">{title}</h2>}
+          {description && <p className="text-xs text-muted-foreground">{description}</p>}
+        </div>
+      )}
+      {children}
+    </div>
+  );
+}
+
+// ─── Page ─────────────────────────────────────────────────────────────────────
+
 export default function EditCourse() {
   const navigate = useNavigate();
   const { courseId } = useParams();
   const { fetchCourse, updateCourse, loading } = useCourses();
   const { user } = useAuth();
 
-  const { register, handleSubmit, reset, formState: { errors, isDirty } } = useForm({
+  const {
+    register,
+    handleSubmit,
+    reset,
+    control,
+    setValue,
+    watch,
+    formState: { errors, isDirty },
+  } = useForm({
     resolver: zodResolver(schema),
-    defaultValues: { title: "", description: "", order: 0 },
+    defaultValues: {
+      title: "",
+      description: "",
+      course_code: "",
+      order_index: 0,
+      level: undefined,
+      subscription: "free",
+      objectives: [],
+    },
   });
 
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: "Edit" },
-  ];
+  const { fields: objectiveFields, append: appendObjective, remove: removeObjective } =
+    useFieldArray({ control, name: "objectives" });
 
+  // ─── Load existing course data ────────────────────────────────────────────
   useEffect(() => {
     (async () => {
       const res = await fetchCourse(courseId);
-      const course = res?.data?.data ?? null;
-      if (!course) return;
+      const c = res?.data?.data ?? null;
+      if (!c) return;
+
       reset({
-        title: course.title ?? "",
-        description: course.description ?? "",
-        order: course.order ?? 0,
+        title: c.title ?? "",
+        description: c.description ?? "",
+        course_code: c.course_code ?? "",
+        order_index: c.order_index ?? 0,
+        level: c.level ?? undefined,
+        subscription: c.subscription ?? "free",
+        objectives: (c.objectives ?? []).map((o) => ({
+          objective_id: o.objective_id ?? null,  // ← carry the id
+          value: o.text ?? "",            // ← form field is "value"
+        })),
       });
     })();
   }, [courseId]);
 
-  const onSubmit = async (data) => {
+  const onSubmit = async (values) => {
     if (!isDirty) return navigate(-1);
-    const result = await updateCourse(courseId, { ...data, updatedBy: user?.user_id });
+
+    console.log(values)
+    const payload = {
+      ...values,
+      objectives: values.objectives?.map((o, i) => ({
+        objective_id: o.objective_id ?? null,
+        text: o.text,
+        order_index: i,
+      })) ?? [],
+      level: values.level || null,
+      course_code: values.course_code || null,
+      updatedBy: user?.user_id ?? null,
+    };
+
+    const result = await updateCourse(courseId, payload);
     if (!result) return;
     navigate(-1);
   };
 
   return (
-    <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
+    <section className="bg-muted/60 min-h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
 
         <div className="w-full max-w-2xl">
+
+          {/* ── Header ── */}
           <div className="flex items-center gap-3 mb-6">
             <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
               <ArrowLeft className="h-4 w-4" />
@@ -80,29 +146,129 @@ export default function EditCourse() {
             </div>
           </div>
 
-          <form onSubmit={handleSubmit(onSubmit)} className="space-y-6">
-            <div className="rounded-lg border bg-card p-6 space-y-5">
+          <form onSubmit={handleSubmit(onSubmit)} className="space-y-5">
+
+            {/* ── Basic Info ── */}
+            <SectionCard title="Basic Information">
 
               <div className="space-y-1.5">
                 <Label htmlFor="title">Title <span className="text-destructive">*</span></Label>
-                <Input id="title" placeholder="Course title" {...register("title")} />
+                <Input id="title" placeholder="e.g. Introduction to Real Estate" {...register("title")} />
                 <FieldError message={errors.title?.message} />
               </div>
 
               <div className="space-y-1.5">
                 <Label htmlFor="description">Description</Label>
-                <Textarea id="description" placeholder="Optional description" rows={3} {...register("description")} />
+                <Textarea id="description" placeholder="Optional course description" rows={3} {...register("description")} />
               </div>
 
-              <div className="space-y-1.5 max-w-[120px]">
-                <Label htmlFor="order">Order</Label>
-                <Input id="order" type="number" min={0} {...register("order")} />
+              <div className="grid grid-cols-2 gap-4">
+                <div className="space-y-1.5">
+                  <Label htmlFor="course_code">Course Code</Label>
+                  <Input id="course_code" placeholder="e.g. RE-101" {...register("course_code")} />
+                  <FieldError message={errors.course_code?.message} />
+                </div>
+                <div className="space-y-1.5">
+                  <Label htmlFor="order_index">Order</Label>
+                  <Input id="order_index" type="number" min={0} {...register("order_index")} />
+                  <FieldError message={errors.order_index?.message} />
+                </div>
               </div>
 
-            </div>
+            </SectionCard>
 
-            <div className="flex justify-end gap-3">
-              <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
+            {/* ── Settings ── */}
+            <SectionCard title="Settings">
+
+              <div className="grid grid-cols-2 gap-4">
+
+                <div className="space-y-1.5">
+                  <Label>Level</Label>
+                  <Select
+                    value={watch("level") ?? ""}
+                    onValueChange={(val) => setValue("level", val, { shouldDirty: true })}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select level" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="beginner">Beginner</SelectItem>
+                      <SelectItem value="intermediate">Intermediate</SelectItem>
+                      <SelectItem value="advanced">Advanced</SelectItem>
+                    </SelectContent>
+                  </Select>
+                  <FieldError message={errors.level?.message} />
+                </div>
+
+                <div className="space-y-1.5">
+                  <Label>Subscription</Label>
+                  <Select
+                    value={watch("subscription") ?? "free"}
+                    onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select subscription" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="free">Free</SelectItem>
+                      <SelectItem value="premium">Premium</SelectItem>
+                    </SelectContent>
+                  </Select>
+                  <FieldError message={errors.subscription?.message} />
+                </div>
+
+              </div>
+
+            </SectionCard>
+
+            {/* ── Objectives ── */}
+            <SectionCard
+              title="Learning Objectives"
+              description="What will learners be able to do after completing this course?"
+            >
+              <div className="space-y-2">
+                {objectiveFields.map((field, index) => (
+                  <div key={field.id} className="flex items-start gap-2">
+                    <div className="flex-1 space-y-1">
+                      <Input
+                        placeholder={`Objective ${index + 1}`}
+                        {...register(`objectives.${index}.value`)}
+                      />
+                      <FieldError message={errors.objectives?.[index]?.text?.message} />
+                    </div>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      className="mt-0.5 text-muted-foreground hover:text-destructive"
+                      onClick={() => removeObjective(index)}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+
+                <Button
+                  type="button"
+                  variant="outline"
+                  size="sm"
+                  className="w-full mt-1"
+                  onClick={() => appendObjective({ text: "" })}
+                >
+                  <Plus className="h-4 w-4 mr-2" />
+                  Add Objective
+                </Button>
+              </div>
+            </SectionCard>
+
+            {/* ── Actions ── */}
+            <div className="flex justify-end gap-3 pt-1">
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => navigate(-1)}
+                disabled={loading}
+              >
                 Cancel
               </Button>
               <Button type="submit" disabled={loading || !isDirty}>
@@ -110,9 +276,10 @@ export default function EditCourse() {
                 Save Changes
               </Button>
             </div>
+
           </form>
         </div>
       </div>
     </section>
   );
-}
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/LessonDetail.jsx b/src/modules/admin/pages/courses/LessonDetail.jsx
deleted file mode 100644
index ca32b8f..0000000
--- a/src/modules/admin/pages/courses/LessonDetail.jsx
+++ /dev/null
@@ -1,99 +0,0 @@
-// modules/admin/pages/courses/LessonDetail.jsx
-
-import { useEffect, useState } from "react";
-import { useNavigate, useParams } from "react-router-dom";
-import { ArrowLeft, House, Layout } from "lucide-react";
-
-import { useCourses } from "@/contexts/AdminCoursesContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
-import { Button } from "@/components/ui/button";
-import { Spinner } from "@/components/ui/spinner";
-import { Badge } from "@/components/ui/badge";
-
-export default function LessonDetail() {
-  const navigate = useNavigate();
-  const { courseId, unitId, lessonId } = useParams();
-  const { fetchLesson, course, unit, lesson, lessonPage, loading } = useCourses();
-  const [initializing, setInitializing] = useState(true);
-
-  useEffect(() => {
-    (async () => {
-      await fetchLesson(courseId, unitId, lessonId);
-      setInitializing(false);
-    })();
-  }, [courseId, unitId, lessonId]);
-
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: unit?.title ?? "Unit", to: `/admin/courses/${courseId}/units/${unitId}` },
-    { label: lesson?.title ?? "..." },
-  ];
-
-  // Replace the loading check
-  if (initializing) {
-    return (
-      <div className="flex items-center justify-center h-64">
-        <Spinner className="h-6 w-6" />
-      </div>
-    );
-  }
-
-  return (
-    <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
-
-        <div className="w-full max-w-3xl space-y-6">
-
-          {/* ── Header ── */}
-          <div className="flex items-center justify-between">
-            <div className="flex items-center gap-3">
-              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
-                <ArrowLeft className="h-4 w-4" />
-              </Button>
-              <div>
-                <h1 className="text-xl font-semibold">{lesson?.title}</h1>
-                {lesson?.description && (
-                  <p className="text-sm text-muted-foreground">{lesson.description}</p>
-                )}
-              </div>
-            </div>
-            <Button
-              variant="outline"
-              onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}/edit`)}
-            >
-              Edit Details
-            </Button>
-          </div>
-
-          {/* ── Page builder card ── */}
-          <div className="rounded-lg border bg-card p-6 flex items-center justify-between">
-            <div className="flex items-center gap-3">
-              <Layout className="h-5 w-5 text-muted-foreground" />
-              <div>
-                <p className="text-sm font-medium">Lesson Content</p>
-                <p className="text-xs text-muted-foreground">
-                  {lessonPage?.blocks?.length
-                    ? `${lessonPage.blocks.length} block${lessonPage.blocks.length !== 1 ? "s" : ""}`
-                    : "No content yet"}
-                </p>
-              </div>
-            </div>
-            <Button
-              onClick={() => navigate(
-                `/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}/page`
-              )}
-            >
-              {lessonPage?.blocks?.length ? "Edit Content" : "Add Content"}
-            </Button>
-          </div>
-
-        </div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/modules/admin/pages/courses/LessonPageBuilder.jsx b/src/modules/admin/pages/courses/LessonPageBuilder.jsx
deleted file mode 100644
index fd60dda..0000000
--- a/src/modules/admin/pages/courses/LessonPageBuilder.jsx
+++ /dev/null
@@ -1,157 +0,0 @@
-import { useEffect, useState } from "react";
-import { useNavigate, useParams } from "react-router-dom";
-import { ArrowLeft, House, Save } from "lucide-react";
-import { nanoid } from "nanoid";
-import { useCourses } from "@/contexts/AdminCoursesContext";
-import { useAuth } from "@/contexts/AuthContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
-import { Button } from "@/components/ui/button";
-import { Spinner } from "@/components/ui/spinner";
-import { BlockList, DEFAULT_CONTENT } from "@/components/generic/BlockList";
-import { AddBlockMenu } from "@/components/generic/AddBlockMenu";
-
-function makeBlock(type) {
-  return {
-    id: nanoid(),
-    type,
-    content: { ...DEFAULT_CONTENT[type] },
-  };
-}
-
-export default function LessonPageBuilder() {
-  const navigate = useNavigate();
-  const { courseId, unitId, lessonId } = useParams();
-  const { fetchLesson, saveLessonPage, course, unit, lesson, lessonPage, loading } = useCourses();
-  const { user } = useAuth();
-
-  const [blocks, setBlocks] = useState([]);
-  const [initializing, setInitializing] = useState(true);
-
-  useEffect(() => {
-    (async () => {
-      await fetchLesson(courseId, unitId, lessonId);
-      setInitializing(false);
-    })();
-  }, [courseId, unitId, lessonId]);
-
-  // ── Populate blocks from saved page ───────────────────────────────────────
-  useEffect(() => {
-    if (lessonPage?.blocks?.length) {
-      setBlocks(lessonPage.blocks);
-    }
-  }, [lessonPage]);
-
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: unit?.title ?? "Unit", to: `/admin/courses/${courseId}/units/${unitId}` },
-    { label: lesson?.title ?? "Lesson", to: `/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}` },
-    { label: "Page Builder" },
-  ];
-
-  // ── Block actions ─────────────────────────────────────────────────────────
-
-  const addBlock = (type) =>
-    setBlocks((prev) => [...prev, makeBlock(type)]);
-
-  const updateBlock = (id, content) =>
-    setBlocks((prev) => prev.map((b) => (b.id === id ? { ...b, content } : b)));
-
-  const deleteBlock = (id) =>
-    setBlocks((prev) => prev.filter((b) => b.id !== id));
-
-  const moveBlock = (id, direction) => {
-    setBlocks((prev) => {
-      const index = prev.findIndex((b) => b.id === id);
-      const swapIndex = direction === "up" ? index - 1 : index + 1;
-      if (swapIndex < 0 || swapIndex >= prev.length) return prev;
-      const next = [...prev];
-      [next[index], next[swapIndex]] = [next[swapIndex], next[index]];
-      return next;
-    });
-  };
-
-  // ── Save ──────────────────────────────────────────────────────────────────
-
-  const handleSave = async () => {
-    const result = await saveLessonPage(courseId, unitId, lessonId, {
-      blocks,
-      updatedBy: user?.user_id,
-    });
-    if (!result) return;
-    navigate(-1);
-  };
-
-  if (initializing) {
-    return (
-      <div className="flex items-center justify-center h-64">
-        <Spinner className="h-6 w-6" />
-      </div>
-    );
-  }
-
-  return (
-    <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
-
-        <div className="w-full max-w-3xl space-y-6 pb-10">
-
-          {/* ── Header ── */}
-          <div className="flex items-center gap-3">
-            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
-              <ArrowLeft className="h-4 w-4" />
-            </Button>
-            <div>
-              <h1 className="text-xl font-semibold">Page Builder</h1>
-              <p className="text-sm text-muted-foreground">
-                {lesson?.title}
-              </p>
-            </div>
-          </div>
-
-          {/* ── Blocks ── */}
-          <div className="space-y-3">
-            <div className="flex items-center justify-between">
-              <p className="text-sm font-medium">
-                Content Blocks
-                {blocks.length > 0 && (
-                  <span className="ml-2 text-xs text-muted-foreground font-normal">
-                    {blocks.length} block{blocks.length !== 1 ? "s" : ""}
-                  </span>
-                )}
-              </p>
-            </div>
-
-            <BlockList
-              blocks={blocks}
-              onUpdate={updateBlock}
-              onMove={moveBlock}
-              onDelete={deleteBlock}
-            />
-
-            <AddBlockMenu onAdd={addBlock} />
-          </div>
-
-          {/* ── Actions ── */}
-          <div className="flex justify-end gap-3">
-            <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
-              Cancel
-            </Button>
-            <Button onClick={handleSave} disabled={loading}>
-              {loading
-                ? <Spinner className="h-4 w-4 mr-2" />
-                : <Save className="h-4 w-4 mr-2" />
-              }
-              Save Page
-            </Button>
-          </div>
-
-        </div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/modules/admin/pages/courses/ViewCourse.jsx b/src/modules/admin/pages/courses/ViewCourse.jsx
new file mode 100644
index 0000000..0e178fb
--- /dev/null
+++ b/src/modules/admin/pages/courses/ViewCourse.jsx
@@ -0,0 +1,241 @@
+import { useEffect } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import {
+  ArrowLeft, House, Pencil, Clock, BookOpen, Layers,
+  BadgeCheck, Tag, Star, Lock, ListChecks,
+} from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
+import { Button } from "@/components/ui/button";
+import { Badge } from "@/components/ui/badge";
+import { Skeleton } from "@/components/ui/skeleton";
+import { Separator } from "@/components/ui/separator";
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+function InfoRow({ label, children }) {
+  return (
+    <div className="flex flex-col gap-0.5">
+      <span className="text-xs text-muted-foreground uppercase tracking-wide">{label}</span>
+      <span className="text-sm font-medium">{children ?? <span className="text-muted-foreground italic">—</span>}</span>
+    </div>
+  );
+}
+
+function SectionCard({ icon: Icon, title, children }) {
+  return (
+    <div className="rounded-lg border bg-card p-5 space-y-4">
+      <div className="flex items-center gap-2">
+        {Icon && <Icon className="h-4 w-4 text-muted-foreground" />}
+        <h2 className="text-sm font-semibold">{title}</h2>
+      </div>
+      <Separator />
+      {children}
+    </div>
+  );
+}
+
+const LEVEL_BADGE = {
+  beginner:     "secondary",
+  intermediate: "outline",
+  advanced:     "destructive",
+};
+
+const SUBSCRIPTION_BADGE = {
+  free:    "secondary",
+  premium: "default",
+};
+
+function LoadingSkeleton() {
+  return (
+    <div className="space-y-5">
+      <Skeleton className="h-8 w-64" />
+      <Skeleton className="h-4 w-40" />
+      <div className="grid grid-cols-2 gap-4">
+        {[...Array(4)].map((_, i) => <Skeleton key={i} className="h-12 w-full" />)}
+      </div>
+      <Skeleton className="h-32 w-full" />
+      <Skeleton className="h-32 w-full" />
+    </div>
+  );
+}
+
+// ─── Page ─────────────────────────────────────────────────────────────────────
+
+export default function ViewCourse() {
+  const navigate = useNavigate();
+  const { courseId } = useParams();
+  const { fetchCourse, course, loading } = useCourses();
+
+  useEffect(() => {
+    fetchCourse(courseId);
+  }, [courseId]);
+
+  return (
+    <section className="bg-muted/60 min-h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
+
+        <div className="w-full max-w-2xl">
+          {/* ── Header ── */}
+          <div className="flex items-start justify-between gap-3 mb-6">
+            <div className="flex items-center gap-3">
+              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+                <ArrowLeft className="h-4 w-4" />
+              </Button>
+              <div>
+                <h1 className="text-xl font-semibold">Course Details</h1>
+                <p className="text-sm text-muted-foreground">View course information.</p>
+              </div>
+            </div>
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={() => navigate(`/admin/courses/${courseId}/edit`)}
+              disabled={loading}
+            >
+              <Pencil className="h-4 w-4 mr-2" />
+              Edit
+            </Button>
+          </div>
+
+          {loading && !course ? (
+            <LoadingSkeleton />
+          ) : !course ? (
+            <div className="text-sm text-muted-foreground">Course not found.</div>
+          ) : (
+            <div className="space-y-5">
+
+              {/* ── Basic Info ── */}
+              <SectionCard icon={BookOpen} title="Basic Information">
+                <div className="space-y-4">
+                  <InfoRow label="Title">{course.title}</InfoRow>
+
+                  {course.description && (
+                    <InfoRow label="Description">
+                      <span className="whitespace-pre-wrap text-sm font-normal text-foreground">
+                        {course.description}
+                      </span>
+                    </InfoRow>
+                  )}
+
+                  <div className="grid grid-cols-2 gap-4">
+                    <InfoRow label="Course Code">
+                      {course.course_code ?? <span className="text-muted-foreground italic text-sm">—</span>}
+                    </InfoRow>
+                    <InfoRow label="Order Index">{course.order_index ?? 0}</InfoRow>
+                  </div>
+                </div>
+              </SectionCard>
+
+              {/* ── Settings ── */}
+              <SectionCard icon={Tag} title="Settings">
+                <div className="grid grid-cols-2 gap-4">
+                  <InfoRow label="Level">
+                    {course.level ? (
+                      <Badge variant={LEVEL_BADGE[course.level] ?? "outline"} className="capitalize mt-0.5">
+                        {course.level}
+                      </Badge>
+                    ) : null}
+                  </InfoRow>
+
+                  <InfoRow label="Subscription">
+                    <Badge variant={SUBSCRIPTION_BADGE[course.subscription] ?? "outline"} className="capitalize mt-0.5">
+                      {course.subscription ?? "free"}
+                    </Badge>
+                  </InfoRow>
+                </div>
+              </SectionCard>
+
+              {/* ── Duration & Stats ── */}
+              <SectionCard icon={Clock} title="Duration & Stats">
+                <div className="grid grid-cols-3 gap-4">
+                  <InfoRow label="Duration">
+                    {course.duration_formatted ?? course.duration_seconds
+                      ? `${course.duration_seconds}s`
+                      : "—"}
+                  </InfoRow>
+                  <InfoRow label="Units">
+                    <div className="flex items-center gap-1.5 mt-0.5">
+                      <Layers className="h-3.5 w-3.5 text-muted-foreground" />
+                      {course.unitCount ?? course.units?.length ?? 0}
+                    </div>
+                  </InfoRow>
+                  <InfoRow label="Lessons">
+                    <div className="flex items-center gap-1.5 mt-0.5">
+                      <BookOpen className="h-3.5 w-3.5 text-muted-foreground" />
+                      {course.lessonCount ?? 0}
+                    </div>
+                  </InfoRow>
+                </div>
+              </SectionCard>
+
+              {/* ── Objectives ── */}
+              {course.objectives?.length > 0 && (
+                <SectionCard icon={ListChecks} title="Learning Objectives">
+                  <ul className="space-y-2">
+                    {course.objectives.map((obj, i) => (
+                      <li key={obj.objective_id ?? i} className="flex items-start gap-2 text-sm">
+                        <BadgeCheck className="h-4 w-4 text-primary mt-0.5 shrink-0" />
+                        {obj.text}
+                      </li>
+                    ))}
+                  </ul>
+                </SectionCard>
+              )}
+
+              {/* ── Prerequisites ── */}
+              {course.prerequisites?.length > 0 && (
+                <SectionCard icon={Star} title="Prerequisites">
+                  <ul className="space-y-2">
+                    {course.prerequisites.map((p, i) => (
+                      <li key={p.prereq_id ?? i} className="flex items-center gap-2 text-sm">
+                        <Badge variant="outline" className="capitalize text-xs">{p.ref_type}</Badge>
+                        <span className="text-muted-foreground">ID: {p.ref_id}</span>
+                      </li>
+                    ))}
+                  </ul>
+                </SectionCard>
+              )}
+
+              {/* ── Assessment ── */}
+              {course.assessment && (
+                <SectionCard icon={Lock} title="Final Assessment">
+                  <div className="grid grid-cols-2 gap-4">
+                    <InfoRow label="Title">{course.assessment.title ?? "Untitled Assessment"}</InfoRow>
+                    <InfoRow label="Required">
+                      <Badge variant={course.assessment.is_required ? "default" : "secondary"}>
+                        {course.assessment.is_required ? "Required" : "Optional"}
+                      </Badge>
+                    </InfoRow>
+                    <InfoRow label="Passing Score">{course.assessment.passing_score ?? 70}%</InfoRow>
+                    <InfoRow label="Time Limit">
+                      {course.assessment.time_limit_minutes
+                        ? `${course.assessment.time_limit_minutes} mins`
+                        : "No limit"}
+                    </InfoRow>
+                  </div>
+                </SectionCard>
+              )}
+
+              {/* ── Audit ── */}
+              <SectionCard icon={BadgeCheck} title="Audit">
+                <div className="grid grid-cols-2 gap-4">
+                  <InfoRow label="Created By">{course.creator?.full_name ?? course.createdBy ?? "—"}</InfoRow>
+                  <InfoRow label="Updated By">{course.updater?.full_name ?? course.updatedBy ?? "—"}</InfoRow>
+                  <InfoRow label="Created At">
+                    {course.createdAt ? new Date(course.createdAt).toLocaleString() : "—"}
+                  </InfoRow>
+                  <InfoRow label="Updated At">
+                    {course.updatedAt ? new Date(course.updatedAt).toLocaleString() : "—"}
+                  </InfoRow>
+                </div>
+              </SectionCard>
+
+            </div>
+          )}
+        </div>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/CreateLesson.jsx b/src/modules/admin/pages/courses/lessons/AddLesson.jsx
similarity index 50%
rename from src/modules/admin/pages/courses/CreateLesson.jsx
rename to src/modules/admin/pages/courses/lessons/AddLesson.jsx
index ee8bc4c..582d2c5 100644
--- a/src/modules/admin/pages/courses/CreateLesson.jsx
+++ b/src/modules/admin/pages/courses/lessons/AddLesson.jsx
@@ -1,12 +1,12 @@
+import { useEffect } from "react";
 import { useNavigate, useParams } from "react-router-dom";
-import { useForm } from "react-hook-form";
+import { useForm, useFieldArray } from "react-hook-form";
 import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
-import { ArrowLeft, House } from "lucide-react";
+import { ArrowLeft, Plus, Trash2 } from "lucide-react";
 
 import { useCourses } from "@/contexts/AdminCoursesContext";
 import { useAuth } from "@/contexts/AuthContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
@@ -17,6 +17,9 @@ const schema = z.object({
   title: z.string().min(1, "Title is required."),
   description: z.string().optional(),
   order: z.coerce.number().min(0).default(0),
+  objectives: z.array(
+    z.object({ value: z.string().min(1, "Objective cannot be empty.") })
+  ).optional(),
 });
 
 function FieldError({ message }) {
@@ -24,39 +27,39 @@ function FieldError({ message }) {
   return <p className="text-xs text-destructive mt-1">{message}</p>;
 }
 
-export default function CreateLesson() {
+export default function AddLesson() {
   const navigate = useNavigate();
   const { courseId, unitId } = useParams();
-  const { createLesson, course, unit, loading } = useCourses();
+  const { createLesson, fetchUnit, course, unit, loading } = useCourses();
   const { user } = useAuth();
 
-  const { register, handleSubmit, formState: { errors } } = useForm({
+  const { register, handleSubmit, control, formState: { errors } } = useForm({
     resolver: zodResolver(schema),
-    defaultValues: { title: "", description: "", order: 0 },
+    defaultValues: { title: "", description: "", order: 0, objectives: [] },
   });
 
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: unit?.title ?? "Unit", to: `/admin/courses/${courseId}/units/${unitId}` },
-    { label: "Create Lesson" },
-  ];
+  const { fields, append, remove } = useFieldArray({ control, name: "objectives" });
+
+  useEffect(() => {
+    fetchUnit(courseId, unitId);
+  }, [courseId, unitId]);
 
   const onSubmit = async (data) => {
-    const result = await createLesson(courseId, unitId, { ...data, createdBy: user?.user_id });
+    const payload = {
+      ...data,
+      objectives: data.objectives?.map((o) => o.value) ?? [],
+      createdBy: user?.user_id,
+    };
+    const result = await createLesson(courseId, unitId, payload);
     if (!result) return;
-    navigate(`/admin/courses/${courseId}/units/${unitId}`);
+    navigate(`/admin/courses/${courseId}/units/${unitId}/lessons`);
   };
 
   return (
     <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
 
-        <div className="w-full max-w-2xl">
+        <div className="w-full max-w-2xl mx-auto">
           <div className="flex items-center gap-3 mb-6">
             <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
               <ArrowLeft className="h-4 w-4" />
@@ -88,6 +91,54 @@ export default function CreateLesson() {
 
             </div>
 
+            {/* Objectives */}
+            <div className="rounded-lg border bg-card p-6 space-y-4">
+              <div className="flex items-center justify-between">
+                <div>
+                  <p className="text-sm font-medium">Objectives</p>
+                  <p className="text-xs text-muted-foreground">What learners will achieve from this lesson.</p>
+                </div>
+                <Button
+                  type="button"
+                  variant="outline"
+                  size="sm"
+                  onClick={() => append({ value: "" })}
+                >
+                  <Plus className="h-4 w-4 mr-1" />
+                  Add
+                </Button>
+              </div>
+
+              {fields.length === 0 && (
+                <p className="text-sm text-muted-foreground text-center py-4">
+                  No objectives yet. Click Add to get started.
+                </p>
+              )}
+
+              <div className="space-y-3">
+                {fields.map((field, index) => (
+                  <div key={field.id} className="flex items-start gap-2">
+                    <div className="flex-1 space-y-1">
+                      <Input
+                        placeholder={`Objective ${index + 1}`}
+                        {...register(`objectives.${index}.value`)}
+                      />
+                      <FieldError message={errors.objectives?.[index]?.value?.message} />
+                    </div>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      onClick={() => remove(index)}
+                      className="text-muted-foreground hover:text-destructive mt-0.5"
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+              </div>
+            </div>
+
             <div className="flex justify-end gap-3">
               <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
                 Cancel
@@ -102,4 +153,4 @@ export default function CreateLesson() {
       </div>
     </section>
   );
-}
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/EditLesson.jsx b/src/modules/admin/pages/courses/lessons/EditLesson.jsx
similarity index 57%
rename from src/modules/admin/pages/courses/EditLesson.jsx
rename to src/modules/admin/pages/courses/lessons/EditLesson.jsx
index 2fafad0..acc1ff6 100644
--- a/src/modules/admin/pages/courses/EditLesson.jsx
+++ b/src/modules/admin/pages/courses/lessons/EditLesson.jsx
@@ -1,9 +1,10 @@
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
 import { useNavigate, useParams } from "react-router-dom";
-import { useForm } from "react-hook-form";
+import { useForm, useFieldArray } from "react-hook-form";
 import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
-import { ArrowLeft, House } from "lucide-react";
+import { ArrowLeft, House, Plus, Trash2 } from "lucide-react";
+
 import { useCourses } from "@/contexts/AdminCoursesContext";
 import { useAuth } from "@/contexts/AuthContext";
 import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
@@ -17,6 +18,9 @@ const schema = z.object({
   title: z.string().min(1, "Title is required."),
   description: z.string().optional(),
   order: z.coerce.number().min(0).default(0),
+  objectives: z.array(
+    z.object({ value: z.string().min(1, "Objective cannot be empty.") })
+  ).optional(),
 });
 
 function FieldError({ message }) {
@@ -29,29 +33,26 @@ export default function EditLesson() {
   const { courseId, unitId, lessonId } = useParams();
   const { fetchLesson, updateLesson, course, unit, loading } = useCourses();
   const { user } = useAuth();
+  const [lessonTitle, setLessonTitle] = useState("");
 
-  const { register, handleSubmit, reset, formState: { errors, isDirty } } = useForm({
+  const { register, handleSubmit, reset, control, formState: { errors, isDirty } } = useForm({
     resolver: zodResolver(schema),
-    defaultValues: { title: "", description: "", order: 0 },
+    defaultValues: { title: "", description: "", order: 0, objectives: [] },
   });
 
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: unit?.title ?? "Unit", to: `/admin/courses/${courseId}/units/${unitId}` },
-    { label: "Edit Lesson" },
-  ];
+  const { fields, append, remove } = useFieldArray({ control, name: "objectives" });
 
   useEffect(() => {
     (async () => {
       const res = await fetchLesson(courseId, unitId, lessonId);
       const lesson = res?.data?.data ?? null;
       if (!lesson) return;
+      setLessonTitle(lesson.title ?? "");
       reset({
         title: lesson.title ?? "",
         description: lesson.description ?? "",
         order: lesson.order ?? 0,
+        objectives: lesson.objectives?.map((v) => ({ value: v.text })) ?? [],
       });
     })();
   }, [courseId, unitId, lessonId]);
@@ -60,6 +61,11 @@ export default function EditLesson() {
     if (!isDirty) return navigate(-1);
     const result = await updateLesson(courseId, unitId, lessonId, {
       ...data,
+      objectives: data.objectives?.map((o, i) => ({
+        objective_id: o.objective_id ?? null,
+        text: o.value,
+        order_index: i,
+      })) ?? [],
       updatedBy: user?.user_id,
     });
     if (!result) return;
@@ -68,10 +74,7 @@ export default function EditLesson() {
 
   return (
     <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
 
         <div className="w-full max-w-2xl">
           <div className="flex items-center gap-3 mb-6">
@@ -105,6 +108,54 @@ export default function EditLesson() {
 
             </div>
 
+            {/* Objectives */}
+            <div className="rounded-lg border bg-card p-6 space-y-4">
+              <div className="flex items-center justify-between">
+                <div>
+                  <p className="text-sm font-medium">Objectives</p>
+                  <p className="text-xs text-muted-foreground">What learners will achieve from this lesson.</p>
+                </div>
+                <Button
+                  type="button"
+                  variant="outline"
+                  size="sm"
+                  onClick={() => append({ value: "" })}
+                >
+                  <Plus className="h-4 w-4 mr-1" />
+                  Add
+                </Button>
+              </div>
+
+              {fields.length === 0 && (
+                <p className="text-sm text-muted-foreground text-center py-4">
+                  No objectives yet. Click Add to get started.
+                </p>
+              )}
+
+              <div className="space-y-3">
+                {fields.map((field, index) => (
+                  <div key={field.id} className="flex items-start gap-2">
+                    <div className="flex-1 space-y-1">
+                      <Input
+                        placeholder={`Objective ${index + 1}`}
+                        {...register(`objectives.${index}.value`)}
+                      />
+                      <FieldError message={errors.objectives?.[index]?.value?.message} />
+                    </div>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      onClick={() => remove(index)}
+                      className="text-muted-foreground hover:text-destructive mt-0.5"
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+              </div>
+            </div>
+
             <div className="flex justify-end gap-3">
               <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
                 Cancel
@@ -119,4 +170,4 @@ export default function EditLesson() {
       </div>
     </section>
   );
-}
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/lessons/LessonPageBuilder.jsx b/src/modules/admin/pages/courses/lessons/LessonPageBuilder.jsx
new file mode 100644
index 0000000..b72c798
--- /dev/null
+++ b/src/modules/admin/pages/courses/lessons/LessonPageBuilder.jsx
@@ -0,0 +1,246 @@
+// pages/admin/LessonPageBuilder.jsx
+
+import { useEffect, useRef, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { ArrowLeft, Save, Pencil, Monitor, Eye, EyeOff, X } from "lucide-react";
+import { nanoid } from "nanoid";
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { useAuth } from "@/contexts/AuthContext";
+import { Button } from "@/components/ui/button";
+import { Spinner } from "@/components/ui/spinner";
+import { BlockList, DEFAULT_CONTENT } from "@/components/generic/BlockList";
+import { AddBlockMenu } from "@/components/generic/AddBlockMenu";
+import { cn } from "@/lib/utils";
+import { PreviewContent, PreviewChrome } from "../../../components/courses/LessonsPreview";
+
+function makeBlock(type) {
+  return {
+    id: nanoid(),
+    type,
+    content: { ...DEFAULT_CONTENT[type] },
+  };
+}
+
+export default function LessonPageBuilder() {
+  const navigate = useNavigate();
+  const { courseId, unitId, lessonId } = useParams();
+  const { fetchLesson, saveLessonPage, course, unit, lesson, lessonPage, loading } = useCourses();
+  const { user } = useAuth();
+
+  const [blocks, setBlocks] = useState([]);
+  const [initializing, setInitializing] = useState(true);
+  const [previewVisible, setPreviewVisible] = useState(true);
+  const [previewOpen, setPreviewOpen] = useState(false);
+
+  const headerRef = useRef(null);
+  const blocksSeeded = useRef(false);
+
+  useEffect(() => {
+    (async () => {
+      await fetchLesson(courseId, unitId, lessonId);
+      setInitializing(false);
+    })();
+  }, [courseId, unitId, lessonId]);
+
+  useEffect(() => {
+    if (lessonPage?.blocks?.length && !blocksSeeded.current) {
+      setBlocks(lessonPage.blocks);
+      blocksSeeded.current = true;
+    }
+  }, [lessonPage]);
+
+  useEffect(() => {
+    if (!headerRef.current) return;
+    const update = () => {
+      document.documentElement.style.setProperty(
+        "--builder-h",
+        `${headerRef.current.offsetHeight}px`
+      );
+    };
+    update();
+    window.addEventListener("resize", update);
+    return () => window.removeEventListener("resize", update);
+  }, []);
+
+  const addBlock    = (type) => setBlocks((prev) => [...prev, makeBlock(type)]);
+  const updateBlock = (id, content) => setBlocks((prev) => prev.map((b) => b.id === id ? { ...b, content } : b));
+  const deleteBlock = (id) => setBlocks((prev) => prev.filter((b) => b.id !== id));
+  const moveBlock   = (id, direction) => {
+    setBlocks((prev) => {
+      const index = prev.findIndex((b) => b.id === id);
+      const swapIndex = direction === "up" ? index - 1 : index + 1;
+      if (swapIndex < 0 || swapIndex >= prev.length) return prev;
+      const next = [...prev];
+      [next[index], next[swapIndex]] = [next[swapIndex], next[index]];
+      return next;
+    });
+  };
+
+  const handleSave = async () => {
+    const result = await saveLessonPage(courseId, unitId, lessonId, {
+      blocks,
+      updatedBy: user?.user_id,
+    });
+    if (!result) return;
+    navigate(-1);
+  };
+
+  const editorStyle = previewVisible
+    ? { top: "calc(var(--navbar-h) + var(--builder-h, 0px))" }
+    : undefined;
+
+  return (
+    <div className="flex flex-col min-h-screen bg-muted/60">
+
+      {/* ── Sticky builder header ── */}
+      <div
+        ref={headerRef}
+        className="sticky z-20 shrink-0 border-b bg-white/70 dark:bg-zinc-900/70 backdrop-blur-md"
+        style={{ top: "var(--navbar-h)" }}
+      >
+        <div className="lg:container lg:mx-auto lg:px-6 px-4">
+          <div className="flex items-center gap-3 py-3">
+            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+              <ArrowLeft className="h-4 w-4" />
+            </Button>
+            <div className="flex-1 min-w-0">
+              <h1 className="text-xl font-semibold leading-tight">Page Builder</h1>
+              <p className="text-sm text-muted-foreground truncate">{lesson?.title}</p>
+            </div>
+            <div className="flex items-center gap-2 shrink-0">
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => setPreviewVisible((v) => !v)}
+                className="hidden lg:inline-flex gap-2"
+              >
+                {previewVisible
+                  ? <><EyeOff className="h-4 w-4" /> Hide Preview</>
+                  : <><Eye    className="h-4 w-4" /> Show Preview</>
+                }
+              </Button>
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => setPreviewOpen(true)}
+                className="lg:hidden gap-2"
+              >
+                <Eye className="h-4 w-4" />
+                Preview
+              </Button>
+              <Button type="button" variant="outline" onClick={() => navigate(-1)} disabled={loading}>
+                Cancel
+              </Button>
+              <Button onClick={handleSave} disabled={loading}>
+                {loading ? <Spinner className="h-4 w-4 mr-2" /> : <Save className="h-4 w-4 mr-2" />}
+                Save Page
+              </Button>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* ── Split pane ── */}
+      <div className="flex flex-1 lg:container lg:mx-auto lg:px-6 px-0 w-full items-start">
+
+        {/* LEFT — Editor */}
+        <div
+          className={cn(
+            "w-full border-r",
+            previewVisible ? "lg:w-[40%] lg:shrink-0 lg:sticky" : "lg:w-full"
+          )}
+          style={editorStyle}
+        >
+          <div
+            className={cn(
+              "flex flex-col gap-3 p-4 pb-10",
+              previewVisible && "lg:overflow-y-auto"
+            )}
+            ref={(el) => {
+              if (!el) return;
+              const applyHeight = () => {
+                if (window.innerWidth >= 1024 && previewVisible) {
+                  el.style.height = `calc(100vh - var(--navbar-h) - var(--builder-h, 0px))`;
+                } else {
+                  el.style.height = "auto";
+                }
+              };
+              applyHeight();
+              window.addEventListener("resize", applyHeight);
+            }}
+          >
+            <div className="flex items-center gap-2 text-sm font-medium text-muted-foreground pt-1">
+              <Pencil className="h-4 w-4" />
+              Editor
+              {blocks.length > 0 && (
+                <span className="text-xs font-normal">
+                  · {blocks.length} block{blocks.length !== 1 ? "s" : ""}
+                </span>
+              )}
+            </div>
+            {initializing ? (
+              <div className="flex items-center justify-center py-20">
+                <Spinner className="h-6 w-6" />
+              </div>
+            ) : (
+              <>
+                <BlockList blocks={blocks} onUpdate={updateBlock} onMove={moveBlock} onDelete={deleteBlock} />
+                <AddBlockMenu onAdd={addBlock} />
+              </>
+            )}
+          </div>
+        </div>
+
+        {/* RIGHT — Live Preview (desktop only) */}
+        {previewVisible && (
+          <div className="hidden lg:flex flex-1 flex-col gap-3 p-4 pb-10">
+            <div className="flex items-center gap-2 text-sm font-medium text-muted-foreground pt-1">
+              <Monitor className="h-4 w-4" />
+              Live Preview
+            </div>
+            <PreviewChrome title={lesson?.title}>
+              <div className="p-6 space-y-5 min-h-[300px]">
+                <PreviewContent
+                  lesson={lesson}
+                  blocks={blocks}
+                  empty="Your content will appear here as you build."
+                />
+              </div>
+            </PreviewChrome>
+          </div>
+        )}
+
+      </div>
+
+      {/* ── Mobile preview bottom sheet ── */}
+      {previewOpen && (
+        <div className="lg:hidden fixed inset-0 z-40 flex flex-col">
+          <div className="flex-1 bg-black/50" onClick={() => setPreviewOpen(false)} />
+          <div className="bg-background rounded-t-2xl border-t shadow-xl flex flex-col max-h-[85dvh]">
+            <div className="flex items-center justify-between px-4 pt-4 pb-3 border-b shrink-0">
+              <div className="flex items-center gap-2 text-sm font-medium">
+                <Monitor className="h-4 w-4 text-muted-foreground" />
+                Live Preview
+              </div>
+              <Button type="button" variant="ghost" size="icon" onClick={() => setPreviewOpen(false)}>
+                <X className="h-4 w-4" />
+              </Button>
+            </div>
+            <div className="overflow-y-auto flex-1 p-4">
+              <PreviewChrome title={lesson?.title}>
+                <div className="p-4 space-y-4 min-h-[200px]">
+                  <PreviewContent
+                    lesson={lesson}
+                    blocks={blocks}
+                    empty="No content yet."
+                  />
+                </div>
+              </PreviewChrome>
+            </div>
+          </div>
+        </div>
+      )}
+
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/UnitDetail.jsx b/src/modules/admin/pages/courses/lessons/LessonsList.jsx
similarity index 77%
rename from src/modules/admin/pages/courses/UnitDetail.jsx
rename to src/modules/admin/pages/courses/lessons/LessonsList.jsx
index 717e3c5..d64c6a1 100644
--- a/src/modules/admin/pages/courses/UnitDetail.jsx
+++ b/src/modules/admin/pages/courses/lessons/LessonsList.jsx
@@ -6,16 +6,17 @@ import { useCourses } from "@/contexts/AdminCoursesContext";
 import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
 import { Button } from "@/components/ui/button";
 import { Spinner } from "@/components/ui/spinner";
-import LessonsTable from "../../components/courses/LessonsTable";
+import LessonsTable from "../../../components/courses/LessonsTable";
 
-export default function UnitDetail() {
+export default function LessonsList() {
   const navigate = useNavigate();
   const { courseId, unitId } = useParams();
-  const { fetchUnit, course, unit, loading } = useCourses();
+  const { fetchCourse, fetchUnit, course, unit, loading } = useCourses();
   const [initializing, setInitializing] = useState(true);
 
   useEffect(() => {
     (async () => {
+      await fetchCourse(courseId)
       await fetchUnit(courseId, unitId);
       setInitializing(false);
     })();
@@ -24,7 +25,7 @@ export default function UnitDetail() {
   const items = [
     { label: "Home", icon: <House className="size-4" />, to: "/admin" },
     { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
+    { label: course?.title, to: `/admin/courses/${courseId}/units` },
     { label: unit?.title ?? "..." },
   ];
 
@@ -49,9 +50,6 @@ export default function UnitDetail() {
           {/* ── Unit header ── */}
           <div className="flex items-center justify-between">
             <div className="flex items-center gap-3">
-              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
-                <ArrowLeft className="h-4 w-4" />
-              </Button>
               <div>
                 <h1 className="text-xl font-semibold">{unit?.title}</h1>
                 {unit?.description && (
@@ -59,9 +57,6 @@ export default function UnitDetail() {
                 )}
               </div>
             </div>
-            <Button onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/edit`)}>
-              Edit Unit
-            </Button>
           </div>
 
           {/* ── Lessons ── */}
diff --git a/src/modules/admin/pages/courses/lessons/ViewLesson.jsx b/src/modules/admin/pages/courses/lessons/ViewLesson.jsx
new file mode 100644
index 0000000..3939057
--- /dev/null
+++ b/src/modules/admin/pages/courses/lessons/ViewLesson.jsx
@@ -0,0 +1,127 @@
+import { useEffect, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { House, Pencil, ArrowLeft, Clock, ListChecks, FileText } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { Button } from "@/components/ui/button";
+import { Badge } from "@/components/ui/badge";
+import { Spinner } from "@/components/ui/spinner";
+
+function InfoField({ label, value }) {
+  return (
+    <div className="space-y-1">
+      <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">{label}</p>
+      <p className="text-sm font-medium">{value ?? "—"}</p>
+    </div>
+  );
+}
+
+export default function ViewLesson() {
+  const navigate = useNavigate();
+  const { courseId, unitId, lessonId } = useParams();
+  const { fetchLesson, course, unit } = useCourses();
+  const [lesson, setLesson] = useState(null);
+  const [initializing, setInitializing] = useState(true);
+
+  useEffect(() => {
+    (async () => {
+      const res = await fetchLesson(courseId, unitId, lessonId);
+      setLesson(res?.data?.data ?? null);
+      setInitializing(false);
+    })();
+  }, [courseId, unitId, lessonId]);
+
+  if (initializing) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <Spinner className="h-6 w-6" />
+      </div>
+    );
+  }
+
+  const formatDate = (iso) =>
+    iso ? new Date(iso).toLocaleDateString("en-US", { month: "short", day: "numeric", year: "numeric" }) : "—";
+
+  return (
+    <section className="bg-muted/60 h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
+        <div className="w-full max-w-2xl space-y-6">
+
+          {/* Header */}
+          <div className="flex items-center justify-between">
+            <div className="flex items-center gap-3">
+              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+                <ArrowLeft className="h-4 w-4" />
+              </Button>
+              <div>
+                <h1 className="text-xl font-semibold">{lesson?.title}</h1>
+                <p className="text-sm text-muted-foreground">Lesson details.</p>
+              </div>
+            </div>
+            <Button
+              type="button"
+              onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}/edit`)}
+            >
+              <Pencil className="h-4 w-4 mr-2" />
+              Edit
+            </Button>
+          </div>
+
+          {/* Stats row */}
+          <div className="grid grid-cols-2 lg:grid-cols-4 gap-3">
+            <div className="bg-white rounded-lg border p-3 space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Order</p>
+              <p className="font-semibold text-sm">#{lesson?.order_index ?? 0}</p>
+            </div>
+            <div className="bg-white rounded-lg border p-3 space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium flex items-center gap-1">
+                <Clock className="h-3 w-3" /> Duration
+              </p>
+              <p className="font-semibold text-sm">{lesson?.duration_formatted ?? "0 mins"}</p>
+            </div>
+            <div className="bg-white rounded-lg border p-3 space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Created</p>
+              <p className="font-semibold text-sm">{formatDate(lesson?.createdAt)}</p>
+            </div>
+            <div className="bg-white rounded-lg border p-3 space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Last Updated</p>
+              <p className="font-semibold text-sm">{formatDate(lesson?.updatedAt)}</p>
+            </div>
+          </div>
+
+          {/* Details */}
+          <div className="rounded-lg border bg-card p-6 space-y-5">
+            <InfoField label="Title" value={lesson?.title} />
+            <InfoField label="Description" value={lesson?.description || "No description provided."} />
+            <InfoField label="Unit" value={lesson?.unit?.title} />
+          </div>
+
+          {/* Objectives */}
+          <div className="rounded-lg border bg-card p-6 space-y-4">
+            <div className="flex items-center gap-2">
+              <ListChecks className="h-4 w-4 text-muted-foreground" />
+              <p className="text-sm font-medium">Objectives</p>
+              <Badge variant="secondary" className="ml-auto">{lesson?.objectives?.length ?? 0}</Badge>
+            </div>
+
+            {lesson?.objectives?.length === 0 || !lesson?.objectives ? (
+              <p className="text-sm text-muted-foreground text-center py-4">No objectives defined.</p>
+            ) : (
+              <ul className="space-y-2">
+                {lesson.objectives.map((obj, i) => (
+                  <li key={obj.objective_id} className="flex items-start gap-3 text-sm">
+                    <span className="mt-0.5 flex h-5 w-5 shrink-0 items-center justify-center rounded-full bg-primary/10 text-primary text-xs font-medium">
+                      {i + 1}
+                    </span>
+                    <span>{obj.text}</span>
+                  </li>
+                ))}
+              </ul>
+            )}
+          </div>
+
+        </div>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/lessons/ViewLessonPage.jsx b/src/modules/admin/pages/courses/lessons/ViewLessonPage.jsx
new file mode 100644
index 0000000..93c8e21
--- /dev/null
+++ b/src/modules/admin/pages/courses/lessons/ViewLessonPage.jsx
@@ -0,0 +1,89 @@
+import { useEffect, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { ArrowLeft } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { Button } from "@/components/ui/button";
+import { Spinner } from "@/components/ui/spinner";
+import { PreviewContent, PreviewChrome } from "../../../components/courses/LessonsPreview";
+
+export default function ViewLessonPage() {
+  const navigate = useNavigate();
+  const { courseId, unitId, lessonId } = useParams();
+  const { fetchLesson, lesson, lessonPage } = useCourses();
+  const [initializing, setInitializing] = useState(true);
+
+  useEffect(() => {
+    (async () => {
+      await fetchLesson(courseId, unitId, lessonId);
+      setInitializing(false);
+    })();
+  }, [courseId, unitId, lessonId]);
+
+  const blocks = lessonPage?.blocks ?? [];
+
+  return (
+    <div className="flex flex-col min-h-screen bg-muted/60">
+
+      {/* Sticky header */}
+      <div
+        className="sticky z-20 shrink-0 border-b bg-white/70 dark:bg-zinc-900/70 backdrop-blur-md"
+        style={{ top: "var(--navbar-h)" }}
+      >
+        <div className="lg:container lg:mx-auto lg:px-6 px-4">
+          <div className="flex items-center gap-3 py-3">
+            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+              <ArrowLeft className="h-4 w-4" />
+            </Button>
+            <div className="flex-1 min-w-0">
+              <h1 className="text-xl font-semibold leading-tight">Page Preview</h1>
+              <p className="text-sm text-muted-foreground truncate">{lesson?.title}</p>
+            </div>
+            <Button
+              type="button"
+              onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}/page-builder`)}
+            >
+              Edit Page
+            </Button>
+          </div>
+        </div>
+      </div>
+
+      {/* Content */}
+      <div className="lg:container lg:mx-auto lg:px-6 px-4 py-8">
+        <div className="max-w-6xl mx-auto">
+          <PreviewChrome title={lesson?.title}>
+            <div className="p-8 space-y-6 min-h-[400px]">
+              {initializing ? (
+                <div className="flex items-center justify-center py-20">
+                  <Spinner className="h-6 w-6" />
+                </div>
+              ) : (
+                <>
+                  <PreviewContent
+                    lesson={lesson}
+                    blocks={blocks}
+                    empty="No content blocks yet."
+                  />
+                  {blocks.length === 0 && (
+                    <div className="flex justify-center pt-2">
+                      <Button
+                        type="button"
+                        variant="outline"
+                        size="sm"
+                        onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/lessons/${lessonId}/page-builder`)}
+                      >
+                        Go to Page Builder
+                      </Button>
+                    </div>
+                  )}
+                </>
+              )}
+            </div>
+          </PreviewChrome>
+        </div>
+      </div>
+
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/CreateUnit.jsx b/src/modules/admin/pages/courses/units/AddUnit.jsx
similarity index 85%
rename from src/modules/admin/pages/courses/CreateUnit.jsx
rename to src/modules/admin/pages/courses/units/AddUnit.jsx
index 086f34f..3c89453 100644
--- a/src/modules/admin/pages/courses/CreateUnit.jsx
+++ b/src/modules/admin/pages/courses/units/AddUnit.jsx
@@ -1,3 +1,4 @@
+import { useEffect } from "react";
 import { useNavigate, useParams } from "react-router-dom";
 import { useForm } from "react-hook-form";
 import { z } from "zod";
@@ -24,10 +25,10 @@ function FieldError({ message }) {
   return <p className="text-xs text-destructive mt-1">{message}</p>;
 }
 
-export default function CreateUnit() {
+export default function AddUnit() {
   const navigate = useNavigate();
   const { courseId } = useParams();
-  const { createUnit, course, loading } = useCourses();
+  const { createUnit, fetchCourse, course, loading } = useCourses();
   const { user } = useAuth();
 
   const { register, handleSubmit, formState: { errors } } = useForm({
@@ -35,27 +36,21 @@ export default function CreateUnit() {
     defaultValues: { title: "", description: "", order: 0 },
   });
 
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: "Create Unit" },
-  ];
+  useEffect(() => {
+    fetchCourse(courseId);
+  }, [courseId]);
 
   const onSubmit = async (data) => {
     const result = await createUnit(courseId, { ...data, createdBy: user?.user_id });
     if (!result) return;
-    navigate(`/admin/courses/${courseId}`);
+    navigate(`/admin/courses/${courseId}/units`);
   };
 
   return (
     <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
 
-        <div className="w-full max-w-2xl">
+        <div className="w-full max-w-2xl mx-auto">
           <div className="flex items-center gap-3 mb-6">
             <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
               <ArrowLeft className="h-4 w-4" />
@@ -101,4 +96,4 @@ export default function CreateUnit() {
       </div>
     </section>
   );
-}
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/EditUnit.jsx b/src/modules/admin/pages/courses/units/EditUnit.jsx
similarity index 87%
rename from src/modules/admin/pages/courses/EditUnit.jsx
rename to src/modules/admin/pages/courses/units/EditUnit.jsx
index ebfbd05..1d4ba95 100644
--- a/src/modules/admin/pages/courses/EditUnit.jsx
+++ b/src/modules/admin/pages/courses/units/EditUnit.jsx
@@ -1,4 +1,4 @@
-import { useEffect } from "react";
+import { useState, useEffect } from "react";
 import { useNavigate, useParams } from "react-router-dom";
 import { useForm } from "react-hook-form";
 import { z } from "zod";
@@ -7,7 +7,6 @@ import { ArrowLeft, House } from "lucide-react";
 
 import { useCourses } from "@/contexts/AdminCoursesContext";
 import { useAuth } from "@/contexts/AuthContext";
-import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
@@ -26,23 +25,17 @@ function FieldError({ message }) {
 }
 
 export default function EditUnit() {
-  const navigate = useNavigate();
+  const [unitTitle, setUnitTitle] = useState("");
   const { courseId, unitId } = useParams();
   const { fetchUnit, updateUnit, course, loading } = useCourses();
   const { user } = useAuth();
+  const navigate = useNavigate();
 
   const { register, handleSubmit, reset, formState: { errors, isDirty } } = useForm({
     resolver: zodResolver(schema),
     defaultValues: { title: "", description: "", order: 0 },
   });
 
-  const items = [
-    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Courses", to: "/admin/courses" },
-    { label: course?.title ?? "Course", to: `/admin/courses/${courseId}` },
-    { label: "Edit Unit" },
-  ];
-
   useEffect(() => {
     (async () => {
       const res = await fetchUnit(courseId, unitId);
@@ -53,9 +46,11 @@ export default function EditUnit() {
         description: unit.description ?? "",
         order: unit.order ?? 0,
       });
+      setUnitTitle(unit.title ?? "");
     })();
   }, [courseId, unitId]);
 
+
   const onSubmit = async (data) => {
     if (!isDirty) return navigate(-1);
     const result = await updateUnit(courseId, unitId, { ...data, updatedBy: user?.user_id });
@@ -65,12 +60,9 @@ export default function EditUnit() {
 
   return (
     <section className="bg-muted/60 h-full">
-      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
-        <div className="flex flex-col gap-2 my-6">
-          <AppBreadcrumb items={items} />
-        </div>
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
 
-        <div className="w-full max-w-2xl">
+        <div className="w-full max-w-2xl mx-auto">
           <div className="flex items-center gap-3 mb-6">
             <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
               <ArrowLeft className="h-4 w-4" />
diff --git a/src/modules/admin/pages/courses/units/UnitQuiz.jsx b/src/modules/admin/pages/courses/units/UnitQuiz.jsx
new file mode 100644
index 0000000..46579d2
--- /dev/null
+++ b/src/modules/admin/pages/courses/units/UnitQuiz.jsx
@@ -0,0 +1,542 @@
+import { useEffect, useRef, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { ArrowLeft, House, Plus, Save, HelpCircle, ChevronUp, ChevronDown } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { useAuth } from "@/contexts/AuthContext";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Spinner } from "@/components/ui/spinner";
+import { cn } from "@/lib/utils";
+import { QuestionCard, makeQuestion } from "../../../components/courses/QuestionEditor";
+
+// ── Validation ────────────────────────────────────────────────────────────────
+
+function validate(questions) {
+  const errors = {};
+  questions.forEach((q, i) => {
+    const qErr = {};
+    if (!q.question?.trim()) qErr.question = "Question text is required.";
+    const correctCount = q.options.filter((o) => o.is_correct).length;
+    if (correctCount === 0) qErr.options = "At least one correct answer is required.";
+    if (q.options.some((o) => !o.text?.trim())) qErr.options = "All option texts are required.";
+    if (Object.keys(qErr).length) errors[i] = qErr;
+  });
+  return errors;
+}
+
+// ── Jump to input ─────────────────────────────────────────────────────────────
+
+function JumpToInput({ max, onJump }) {
+  const [val, setVal] = useState("");
+
+  const handleJump = () => {
+    const n = parseInt(val, 10);
+    if (!isNaN(n) && n >= 1 && n <= max) {
+      onJump(n - 1);
+      setVal("");
+    }
+  };
+
+  return (
+    <div className="flex gap-1">
+      <Input
+        type="number"
+        min={1}
+        max={max}
+        value={val}
+        onChange={(e) => setVal(e.target.value)}
+        onKeyDown={(e) => e.key === "Enter" && handleJump()}
+        placeholder={`1–${max}`}
+        className="h-7 text-xs"
+      />
+      <Button
+        type="button"
+        size="sm"
+        variant="outline"
+        className="h-7 px-2 text-xs shrink-0"
+        onClick={handleJump}
+      >
+        Go
+      </Button>
+    </div>
+  );
+}
+
+// ── Question Navigator ────────────────────────────────────────────────────────
+
+const TYPE_LABEL = {
+  multiple_choice: "MC",
+  multi_select: "MS",
+  true_false: "TF",
+};
+
+function QuestionNavigator({ questions, activeIndex, onJump, onMove, navItemRefs, errors }) {
+  return (
+    <div className="flex flex-col h-full">
+
+      <div className="px-3 py-3 border-b shrink-0">
+        <p className="text-xs font-medium text-muted-foreground uppercase tracking-wide">
+          Questions
+        </p>
+        <p className="text-xs text-muted-foreground mt-0.5">
+          {questions.length} total
+        </p>
+      </div>
+
+      <div className="flex-1 overflow-y-auto py-2">
+        {questions.length === 0 ? (
+          <p className="text-xs text-muted-foreground text-center py-8 px-3">
+            No questions yet.
+          </p>
+        ) : (
+          <div className="space-y-0.5 px-2">
+            {questions.map((q, i) => {
+              const isActive = i === activeIndex;
+              const hasError = !!errors?.[i];
+              const typeLabel = TYPE_LABEL[q.type] ?? "Q";
+
+              return (
+                <div
+                  key={q._tempId ?? q.question_id ?? i}
+                  ref={(el) => (navItemRefs.current[i] = el)}
+                  onClick={() => onJump(i)}
+                  className={cn(
+                    "group flex items-center gap-1.5 rounded-md px-2 py-1.5 cursor-pointer transition-colors",
+                    isActive
+                      ? "bg-primary/10 text-primary"
+                      : hasError
+                        ? "bg-destructive/10 text-destructive hover:bg-destructive/20"
+                        : "hover:bg-muted text-foreground"
+                  )}
+                >
+                  <span className={cn(
+                    "flex h-5 w-5 shrink-0 items-center justify-center rounded text-[10px] font-semibold",
+                    isActive
+                      ? "bg-primary text-primary-foreground"
+                      : hasError
+                        ? "bg-destructive text-destructive-foreground"
+                        : "bg-muted-foreground/20 text-muted-foreground"
+                  )}>
+                    {i + 1}
+                  </span>
+
+                  <span className="text-[10px] font-medium text-muted-foreground shrink-0 w-5">
+                    {typeLabel}
+                  </span>
+
+                  <span className="flex-1 text-xs truncate min-w-0">
+                    {q.question?.trim()
+                      ? q.question.trim()
+                      : <span className="italic text-muted-foreground">Untitled</span>
+                    }
+                  </span>
+
+                  <div className="hidden group-hover:flex items-center gap-0.5 shrink-0">
+                    <button
+                      type="button"
+                      onClick={(e) => { e.stopPropagation(); onMove(i, "up"); }}
+                      disabled={i === 0}
+                      className="h-4 w-4 flex items-center justify-center rounded hover:bg-muted-foreground/20 disabled:opacity-30 transition-colors"
+                    >
+                      <ChevronUp className="h-3 w-3" />
+                    </button>
+                    <button
+                      type="button"
+                      onClick={(e) => { e.stopPropagation(); onMove(i, "down"); }}
+                      disabled={i === questions.length - 1}
+                      className="h-4 w-4 flex items-center justify-center rounded hover:bg-muted-foreground/20 disabled:opacity-30 transition-colors"
+                    >
+                      <ChevronDown className="h-3 w-3" />
+                    </button>
+                  </div>
+                </div>
+              );
+            })}
+          </div>
+        )}
+      </div>
+
+      {questions.length > 5 && (
+        <div className="px-3 py-3 border-t shrink-0 space-y-1.5">
+          <p className="text-xs text-muted-foreground">Jump to question</p>
+          <JumpToInput max={questions.length} onJump={onJump} />
+        </div>
+      )}
+
+    </div>
+  );
+}
+
+// ── Main Page ─────────────────────────────────────────────────────────────────
+
+export default function UnitQuiz() {
+  const navigate = useNavigate();
+  const { courseId, unitId } = useParams();
+  const {
+    fetchQuiz, createQuiz, updateQuiz,
+    createQuizQuestion, updateQuizQuestion,
+    course, unit, quiz, loading,
+  } = useCourses();
+  const { user } = useAuth();
+
+  const [initializing, setInitializing] = useState(true);
+  const [questions, setQuestions] = useState([]);
+  const [errors, setErrors] = useState({});
+  const [activeIndex, setActiveIndex] = useState(0);
+
+  const [title, setTitle] = useState("");
+  const [passingScore, setPassingScore] = useState(70);
+  const [isRequired, setIsRequired] = useState(false);
+  const [maxQuestions, setMaxQuestions] = useState("");
+
+  const questionRefs = useRef([]);
+  const navItemRefs = useRef([]);
+  const headerRef = useRef(null);
+
+  const breadcrumbItems = [
+    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
+    { label: "Courses", to: "/admin/courses" },
+    { label: course?.title ?? "…", to: `/admin/courses/${courseId}` },
+    { label: unit?.title ?? "…", to: `/admin/courses/${courseId}/units/${unitId}` },
+    { label: "Quiz" },
+  ];
+
+  // ── Fetch ──────────────────────────────────────────────────────────────────
+  useEffect(() => {
+    (async () => {
+      await fetchQuiz(courseId, unitId);
+      setInitializing(false);
+    })();
+  }, [courseId, unitId]);
+
+  // ── Seed ──────────────────────────────────────────────────────────────────
+  useEffect(() => {
+    if (!quiz) return;
+    setTitle(quiz.title ?? "");
+    setPassingScore(quiz.passing_score ?? 70);
+    setIsRequired(quiz.is_required === true || quiz.is_required === 1);
+    setMaxQuestions(quiz.max_questions ?? "");
+    setQuestions(
+      (quiz.questions ?? []).map((q) => ({
+        ...q,
+        _tempId: q.question_id,
+        options: q.options ?? [],
+      }))
+    );
+  }, [quiz]);
+
+  // ── Measure sticky header → --quiz-h ──────────────────────────────────────
+  useEffect(() => {
+    if (!headerRef.current) return;
+    const update = () => {
+      document.documentElement.style.setProperty(
+        "--quiz-h",
+        `${headerRef.current.offsetHeight}px`
+      );
+    };
+    update();
+    window.addEventListener("resize", update);
+    return () => window.removeEventListener("resize", update);
+  }, []);
+
+  // ── Scroll active nav item into view ──────────────────────────────────────
+  useEffect(() => {
+    navItemRefs.current[activeIndex]?.scrollIntoView({
+      behavior: "smooth",
+      block: "nearest",
+    });
+  }, [activeIndex]);
+
+  // ── IntersectionObserver — highlight nav as user scrolls ──────────────────
+  useEffect(() => {
+    if (!questions.length) return;
+    const observers = [];
+
+    questionRefs.current.forEach((el, i) => {
+      if (!el) return;
+      const observer = new IntersectionObserver(
+        ([entry]) => { if (entry.isIntersecting) setActiveIndex(i); },
+        { rootMargin: "-20% 0px -70% 0px", threshold: 0 }
+      );
+      observer.observe(el);
+      observers.push(observer);
+    });
+
+    return () => observers.forEach((o) => o.disconnect());
+  }, [questions.length]);
+
+  // ── Scroll helper with sticky offset ──────────────────────────────────────
+  const scrollToQuestion = (index) => {
+    const el = questionRefs.current[index];
+    if (!el) return;
+    const navbarH = parseInt(getComputedStyle(document.documentElement).getPropertyValue("--navbar-h") || "0", 10);
+    const quizH = parseInt(getComputedStyle(document.documentElement).getPropertyValue("--quiz-h") || "0", 10);
+    const offset = navbarH + quizH + 16;
+    const top = el.getBoundingClientRect().top + window.scrollY - offset;
+    window.scrollTo({ top, behavior: "smooth" });
+  };
+
+  // ── Question actions ───────────────────────────────────────────────────────
+  const addQuestion = (type = "multiple_choice") => {
+    setQuestions((prev) => {
+      const next = [...prev, { ...makeQuestion(type), order_index: prev.length }];
+      setTimeout(() => {
+        const idx = next.length - 1;
+        setActiveIndex(idx);
+        scrollToQuestion(idx);
+      }, 50);
+      return next;
+    });
+  };
+
+  const updateQuestion = (index, updated) => {
+    setQuestions((prev) => prev.map((q, i) => i === index ? updated : q));
+    setErrors((prev) => { const e = { ...prev }; delete e[index]; return e; });
+  };
+
+  const removeQuestion = (index) => {
+    setQuestions((prev) => prev.filter((_, i) => i !== index));
+    setActiveIndex((prev) => Math.max(0, prev >= index ? prev - 1 : prev));
+  };
+
+  const moveQuestion = (index, direction) => {
+    setQuestions((prev) => {
+      const next = [...prev];
+      const swapIndex = direction === "up" ? index - 1 : index + 1;
+      if (swapIndex < 0 || swapIndex >= next.length) return prev;
+      [next[index], next[swapIndex]] = [next[swapIndex], next[index]];
+      return next;
+    });
+    const newIndex = direction === "up" ? index - 1 : index + 1;
+    setActiveIndex(newIndex);
+    setTimeout(() => scrollToQuestion(newIndex), 50);
+  };
+
+  const jumpTo = (index) => {
+    setActiveIndex(index);
+    scrollToQuestion(index);
+  };
+
+  const totalPoints = questions.reduce((sum, q) => sum + (q.points ?? 1), 0);
+
+  // ── Save ───────────────────────────────────────────────────────────────────
+  const handleSave = async () => {
+    const errs = validate(questions);
+    if (Object.keys(errs).length) {
+      setErrors(errs);
+      jumpTo(parseInt(Object.keys(errs)[0], 10));
+      return;
+    }
+
+    let quizId = quiz?.quiz_id;
+    const meta = {
+      title: title || "Unit Quiz",
+      passing_score: passingScore,
+      is_required: isRequired,
+      max_questions: maxQuestions ? parseInt(maxQuestions) : null,
+      updatedBy: user?.user_id,
+      createdBy: user?.user_id,
+    };
+
+    if (!quizId) {
+      const res = await createQuiz(courseId, unitId, meta);
+      quizId = res?.data?.data?.data?.quiz_id;
+      if (!quizId) return;
+    } else {
+      await updateQuiz(courseId, unitId, quizId, meta);
+    }
+
+    for (let i = 0; i < questions.length; i++) {
+      const q = { ...questions[i], order_index: i, updatedBy: user?.user_id };
+      if (q.question_id) {
+        await updateQuizQuestion(courseId, unitId, quizId, q.question_id, q);
+      } else {
+        await createQuizQuestion(courseId, unitId, quizId, q);
+      }
+    }
+
+    navigate(-1);
+  };
+
+  // ── Render ─────────────────────────────────────────────────────────────────
+  return (
+    <div className="flex flex-col min-h-screen bg-muted/60">
+
+      {/* ── Sticky header ── */}
+      <div
+        ref={headerRef}
+        className="sticky z-20 shrink-0 border-b bg-white/70 dark:bg-zinc-900/70 backdrop-blur-md"
+        style={{ top: "var(--navbar-h)" }}
+      >
+        <div className="lg:container lg:mx-auto lg:px-6 px-4">
+          <div className="flex items-center gap-3 py-3">
+            <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+              <ArrowLeft className="h-4 w-4" />
+            </Button>
+            <div className="flex-1 min-w-0">
+              <h1 className="text-xl font-semibold leading-tight flex items-center gap-2">
+                <HelpCircle className="h-5 w-5 text-muted-foreground" />
+                Unit Quiz
+              </h1>
+              <p className="text-sm text-muted-foreground">
+                {questions.length} question{questions.length !== 1 ? "s" : ""} · {totalPoints} total point{totalPoints !== 1 ? "s" : ""}
+              </p>
+            </div>
+            <Button onClick={handleSave} disabled={loading}>
+              {loading ? <Spinner className="h-4 w-4 mr-2" /> : <Save className="h-4 w-4 mr-2" />}
+              Save Quiz
+            </Button>
+          </div>
+        </div>
+      </div>
+
+      {/* ── Split layout ── */}
+      <div className="flex flex-1 lg:container lg:mx-auto lg:px-6 px-0 w-full items-start">
+
+        {/* LEFT — Navigator */}
+        <div
+          className="hidden lg:flex flex-col w-60 shrink-0 border-r bg-background"
+          style={{
+            position: "sticky",
+            top: `calc(var(--navbar-h) + var(--quiz-h, 0px))`,
+            height: `calc(100vh - var(--navbar-h) - var(--quiz-h, 0px))`,
+          }}
+        >
+          <QuestionNavigator
+            questions={questions}
+            activeIndex={activeIndex}
+            onJump={jumpTo}
+            onMove={moveQuestion}
+            navItemRefs={navItemRefs}
+            errors={errors}
+          />
+        </div>
+
+        {/* RIGHT — Content */}
+        <div className="flex-1 min-w-0 px-4 lg:px-8 py-6">
+          {initializing ? (
+            <div className="flex items-center justify-center py-20">
+              <Spinner className="h-6 w-6" />
+            </div>
+          ) : (
+            <div className="max-w-2xl space-y-6 pb-16">
+
+              {/* Settings */}
+              <div className="rounded-lg border bg-card p-6 space-y-5">
+                <p className="text-sm font-medium">Settings</p>
+
+                <div className="space-y-1.5">
+                  <Label>Title</Label>
+                  <Input
+                    value={title}
+                    onChange={(e) => setTitle(e.target.value)}
+                    placeholder="Unit Quiz"
+                  />
+                </div>
+
+                <div className="space-y-1.5 max-w-[200px]">
+                  <Label>Passing Score (%)</Label>
+                  <Input
+                    type="number"
+                    min={0}
+                    max={100}
+                    value={passingScore}
+                    onChange={(e) => setPassingScore(parseInt(e.target.value) || 0)}
+                  />
+                </div>
+
+                <div className="space-y-1.5">
+                  <Label>
+                    Max Questions{" "}
+                    <span className="text-muted-foreground font-normal text-xs">(blank = show all)</span>
+                  </Label>
+                  <Input
+                    type="number" min={1} max={questions.length || undefined}
+                    value={maxQuestions}
+                    onChange={(e) => setMaxQuestions(e.target.value)}
+                    placeholder={`All (${questions.length})`}
+                  />
+                </div>
+
+                <div className="flex items-center gap-3">
+                  <Checkbox
+                    id="quiz_required"
+                    checked={isRequired === true}
+                    onCheckedChange={(val) => setIsRequired(val)}
+                  />
+                  <Label htmlFor="quiz_required" className="cursor-pointer">
+                    Required to proceed to next unit
+                  </Label>
+                </div>
+              </div>
+
+              {maxQuestions && parseInt(maxQuestions) < questions.length && (
+                <p className="text-xs text-muted-foreground bg-muted rounded-md px-3 py-2">
+                  Takers will see <strong>{maxQuestions}</strong> randomly selected questions
+                  out of <strong>{questions.length}</strong> in the pool.
+                </p>
+              )}
+
+              {/* Questions */}
+              <div className="space-y-4">
+                {questions.length === 0 ? (
+                  <div className="rounded-lg border border-dashed bg-card p-12 flex flex-col items-center gap-3 text-center">
+                    <HelpCircle className="h-8 w-8 text-muted-foreground/40" />
+                    <p className="text-sm text-muted-foreground">
+                      No questions yet. Add one below.
+                    </p>
+                  </div>
+                ) : (
+                  questions.map((q, i) => (
+                    <div
+                      key={q._tempId ?? q.question_id ?? i}
+                      ref={(el) => (questionRefs.current[i] = el)}
+                      onClick={() => setActiveIndex(i)}
+                    >
+                      <QuestionCard
+                        question={q}
+                        index={i}
+                        onChange={(updated) => updateQuestion(i, updated)}
+                        onRemove={() => removeQuestion(i)}
+                        error={errors[i]}
+                      />
+                    </div>
+                  ))
+                )}
+              </div>
+
+              {/* Add question */}
+              <div className="rounded-lg border bg-card p-4">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium mb-3">
+                  Add Question
+                </p>
+                <div className="flex flex-wrap gap-2">
+                  {[
+                    { type: "multiple_choice", label: "Multiple Choice" },
+                    { type: "multi_select", label: "Multi Select" },
+                    { type: "true_false", label: "True / False" },
+                  ].map(({ type, label }) => (
+                    <Button
+                      key={type}
+                      type="button"
+                      variant="outline"
+                      size="sm"
+                      onClick={() => addQuestion(type)}
+                    >
+                      <Plus className="h-3.5 w-3.5 mr-1" />
+                      {label}
+                    </Button>
+                  ))}
+                </div>
+              </div>
+
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/pages/courses/units/UnitsList.jsx b/src/modules/admin/pages/courses/units/UnitsList.jsx
new file mode 100644
index 0000000..0754c47
--- /dev/null
+++ b/src/modules/admin/pages/courses/units/UnitsList.jsx
@@ -0,0 +1,100 @@
+import { useEffect, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { ArrowLeft, House, Plus } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
+import { Spinner } from "@/components/ui/spinner";
+import UnitsTable from "../../../components/courses/UnitsTable";
+import { Badge } from "@/components/ui/badge";
+
+export default function CourseDetail() {
+  const navigate = useNavigate();
+  const { courseId } = useParams();
+  const { fetchCourse, course, loading } = useCourses();
+  const [initializing, setInitializing] = useState(true);
+
+  useEffect(() => {
+    (async () => {
+      await fetchCourse(courseId);
+      setInitializing(false);
+    })();
+  }, [courseId]);
+
+  const items = [
+    { label: "Home", icon: <House className="size-4" />, to: "/admin" },
+    { label: "Courses", to: "/admin/courses" },
+    { label: course?.title ?? "..." },
+  ];
+
+  // Replace the loading check
+  if (initializing) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <Spinner className="h-6 w-6" />
+      </div>
+    );
+  }
+
+  return (
+    <section className="bg-muted/60 h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4">
+        <div className="flex flex-col gap-2 my-6">
+          <AppBreadcrumb items={items} />
+        </div>
+
+        <div className="w-full space-y-6">
+
+          {/* ── Course header ── */}
+          <div className="bg-white rounded-xl border p-6 space-y-4">
+            {/* Title + Status */}
+            <div>
+              <div className="flex items-center gap-2">
+                <h1 className="text-xl font-semibold">{course?.title}</h1>
+                <span
+                  className={`inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium ${!course.deletedBy
+                    ? "bg-green-100 text-green-700"
+                    : "bg-red-100 text-red-600"
+                    }`}
+                >
+                  {!course.deletedBy ? "Active" : "Inactive"}
+                </span>
+              </div>
+              {course?.description && (
+                <p className="text-sm text-muted-foreground mt-0.5">{course.description}</p>
+              )}
+            </div>
+
+            {/* Stats row */}
+            <div className="grid grid-cols-2 lg:grid-cols-4 gap-3">
+              <div className="bg-muted/60 rounded-lg p-3 space-y-1">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Level</p>
+                <p className="font-semibold text-sm capitalize">{course?.level}</p>
+              </div>
+              <div className="bg-muted/60 rounded-lg p-3 space-y-1">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Units</p>
+                <p className="font-semibold text-sm">{course?.units.length}</p>
+              </div>
+              <div className="bg-muted/60 rounded-lg p-3 space-y-1">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Created</p>
+                <p className="font-semibold text-sm">
+                  {course?.createdAt ? new Date(course.createdAt).toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' }) : '—'}
+                </p>
+              </div>
+              <div className="bg-muted/60 rounded-lg p-3 space-y-1">
+                <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Last Updated</p>
+                <p className="font-semibold text-sm">
+                  {course?.updatedAt ? new Date(course.updatedAt).toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' }) : '—'}
+                </p>
+              </div>
+            </div>
+          </div>
+
+          {/* ── Units ── */}
+          <UnitsTable courseId={courseId} />
+
+        </div>
+      </div>
+    </section>
+  );
+}
diff --git a/src/modules/admin/pages/courses/units/ViewUnit.jsx b/src/modules/admin/pages/courses/units/ViewUnit.jsx
new file mode 100644
index 0000000..2699670
--- /dev/null
+++ b/src/modules/admin/pages/courses/units/ViewUnit.jsx
@@ -0,0 +1,79 @@
+import { useEffect, useState } from "react";
+import { useNavigate, useParams } from "react-router-dom";
+import { House, Pencil, ArrowLeft } from "lucide-react";
+
+import { useCourses } from "@/contexts/AdminCoursesContext";
+import { Button } from "@/components/ui/button";
+import { Spinner } from "@/components/ui/spinner";
+
+export default function ViewUnit() {
+  const navigate = useNavigate();
+  const { courseId, unitId } = useParams();
+  const { fetchUnit, course } = useCourses();
+  const [unit, setUnit] = useState(null);
+  const [initializing, setInitializing] = useState(true);
+
+  useEffect(() => {
+    (async () => {
+      const res = await fetchUnit(courseId, unitId);
+      setUnit(res?.data?.data ?? null);
+      setInitializing(false);
+    })();
+  }, [courseId, unitId]);
+
+  if (initializing) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <Spinner className="h-6 w-6" />
+      </div>
+    );
+  }
+
+  return (
+    <section className="bg-muted/60 h-full">
+      <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-center px-4 py-10">
+
+        <div className="w-full max-w-2xl">
+
+          <div className="flex items-center justify-between mb-6">
+            <div className="flex items-center gap-3">
+              <Button type="button" variant="ghost" size="icon" onClick={() => navigate(-1)}>
+                <ArrowLeft className="h-4 w-4" />
+              </Button>
+              <div>
+                <h1 className="text-xl font-semibold">Unit Details</h1>
+                <p className="text-sm text-muted-foreground">View unit information.</p>
+              </div>
+            </div>
+            <Button
+              type="button"
+              onClick={() => navigate(`/admin/courses/${courseId}/units/${unitId}/edit`)}
+            >
+              <Pencil className="h-4 w-4 mr-2" />
+              Edit
+            </Button>
+          </div>
+
+          <div className="rounded-lg border bg-card p-6 space-y-5">
+
+            <div className="space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Title</p>
+              <p className="text-sm font-medium">{unit?.title ?? "—"}</p>
+            </div>
+
+            <div className="space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Description</p>
+              <p className="text-sm text-muted-foreground">{unit?.description || "No description provided."}</p>
+            </div>
+
+            <div className="space-y-1">
+              <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Order</p>
+              <p className="text-sm font-medium">{unit?.order ?? 0}</p>
+            </div>
+
+          </div>
+        </div>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/modules/admin/routes/AdminRoutes.jsx b/src/modules/admin/routes/AdminRoutes.jsx
index a8ad595..511abd6 100644
--- a/src/modules/admin/routes/AdminRoutes.jsx
+++ b/src/modules/admin/routes/AdminRoutes.jsx
@@ -8,16 +8,19 @@ import AdminLayout from '../layouts/AdminLayout'
 import AdminDashboard from '../pages/AdminDashboard'
 import ProfilePage from '@/components/generic/Profile'
 
+// Users
 import UserList from '../pages/users/UserList'
 import AddUser from '../pages/users/AddStaffUser'
 import ViewUser from '../pages/users/ViewUser'
 
+// User Groups
 import GroupList from '../pages/user_groups/GroupList'
 import ViewGroup from '../pages/user_groups/ViewGroup'
 import EditUser from '../pages/users/EditUser'
 import ArchivedUserList from '../pages/users/ArchivedUserList'
 import ArchivedGroupList from '../pages/user_groups/ArchivedGroupList'
 
+// Assets
 import AddAsset from "../pages/assets/AddAsset";
 import ArchivedAssets from "../pages/assets/ArchivedAssets";
 import ViewImageAsset from "../pages/assets/ViewImageAsset";
@@ -25,17 +28,32 @@ import ViewVideoAsset from "../pages/assets/ViewVideoAsset";
 import ViewDocumentAsset from "../pages/assets/ViewDocumentAsset";
 import AssetList from '../pages/assets/AssetList'
 import EditAsset from '../pages/assets/EditAsset'
+
+// Courses
 import CourseList from '../pages/courses/CourseList'
-import CreateCourse from '../pages/courses/CreateCourse'
+import AddCourse from '../pages/courses/AddCourse'
+import ViewCourse from '../pages/courses/ViewCourse'
 import EditCourse from '../pages/courses/EditCourse'
-import CourseDetail from '../pages/courses/CourseDetail'
-import CreateUnit from '../pages/courses/CreateUnit'
-import UnitDetail from '../pages/courses/UnitDetail'
-import CreateLesson from '../pages/courses/CreateLesson'
-import LessonDetail from '../pages/courses/LessonDetail'
-import LessonPageBuilder from '../pages/courses/LessonPageBuilder'
-import EditUnit from '../pages/courses/EditUnit'
-import EditLesson from '../pages/courses/EditLesson'
+import ArchivedCourseList from '../pages/courses/ArchivedCourseList'
+
+// Units
+import UnitsList from '../pages/courses/units/UnitsList'
+import AddUnit from '../pages/courses/units/AddUnit'
+import ViewUnit from '../pages/courses/units/ViewUnit'
+import EditUnit from '../pages/courses/units/EditUnit'
+
+// Lessons
+import LessonsList from '../pages/courses/lessons/LessonsList'
+import AddLesson from '../pages/courses/lessons/AddLesson'
+import ViewLesson from '../pages/courses/lessons/ViewLesson'
+import EditLesson from '../pages/courses/lessons/EditLesson'
+
+// Lesson Page Builder
+import LessonPageBuilder from '../pages/courses/lessons/LessonPageBuilder'
+import ViewLessonPage from '../pages/courses/lessons/ViewLessonPage'
+import CourseAssessment from '../pages/courses/CourseAssessment'
+import UnitQuiz from '../pages/courses/units/UnitQuiz'
+
 
 export const AdminRoutes = {
   element: <ProtectedRoute allowedRoles={['admin']} />,
@@ -93,19 +111,40 @@ export const AdminRoutes = {
           element: <Outlet />,
           children: [
             { index: true, element: <CourseList /> },
-            { path: 'create', element: <CreateCourse /> },
-            { path: ':courseId', element: <CourseDetail /> },
+            { path: 'archived', element: <ArchivedCourseList /> },
+            { path: 'add', element: <AddCourse /> },
+            { path: ':courseId/view', element: <ViewCourse /> },
             { path: ':courseId/edit', element: <EditCourse /> },
-            { path: ':courseId/units/create', element: <CreateUnit /> },
-            { path: ':courseId/units/:unitId', element: <UnitDetail /> },
-            { path: ':courseId/units/:unitId/edit', element: <EditUnit /> },
-            { path: ':courseId/units/:unitId/lessons/create', element: <CreateLesson /> },
-            { path: ':courseId/units/:unitId/lessons/:lessonId', element: <LessonDetail /> },
-            { path: ':courseId/units/:unitId/lessons/:lessonId/edit', element: <EditLesson /> },
-            { path: ':courseId/units/:unitId/lessons/:lessonId/page', element: <LessonPageBuilder /> },
+            { path: ":courseId/assessment", element: <CourseAssessment /> },
+            
+            // Units
+            {
+              path: ":courseId/units",
+              element: <Outlet />,
+              children: [
+                { index: true, element: <UnitsList /> },
+                { path: 'add', element: <AddUnit /> },
+                { path: ':unitId/view', element: <ViewUnit /> },
+                { path: ':unitId/edit', element: <EditUnit /> },
+                { path: ":unitId/quiz", element: <UnitQuiz /> },
+
+                // Lessons
+                {
+                  path: ":unitId/lessons",
+                  element: <Outlet />,
+                  children: [
+                    { index: true, element: <LessonsList /> },
+                    { path: 'add', element: <AddLesson /> },
+                    { path: ':lessonId/view', element: <ViewLesson /> },
+                    { path: ':lessonId/edit', element: <EditLesson /> },
+                    { path: ':lessonId/page', element: <LessonPageBuilder /> },
+                    { path: ':lessonId/page/view', element: <ViewLessonPage /> },
+                  ]
+                }
+              ]
+            },
           ]
         },
-
         // Add here
       ]
     },
diff --git a/src/utils/timestamp.util.js b/src/utils/timestamp.util.js
index bf925c1..59b0d32 100644
--- a/src/utils/timestamp.util.js
+++ b/src/utils/timestamp.util.js
@@ -10,4 +10,16 @@ export function getTimestamp() {
   const SS = String(now.getSeconds()).padStart(2, "0");
 
   return `${YYYY}${MM}${DD}_${HH}${mm}${SS}`;
-}
\ No newline at end of file
+}
+
+export function formatDuration (secs) {
+  if (!secs) return "0 min";
+  const h = Math.floor(secs / 3600);
+  const m = Math.floor((secs % 3600) / 60);
+  const s = secs % 60;
+  const parts = [];
+  if (h) parts.push(`${h} hr`);
+  if (m) parts.push(`${m} min${m !== 1 ? "s" : ""}`);
+  if (!h && !m && s) parts.push(`${s} sec${s !== 1 ? "s" : ""}`);
+  return parts.join(" ");
+};
\ No newline at end of file