human language UI adjustment

Render intro video preview in Step 4 Review & publish so users can verify Vimeo/file playback before publishing instead of seeing only the URL text.

Made-with: Cursor

src/api/courses.api.ts

@@ -242,6 +242,9 @@ export const getQuestionSetQuestions = (questionSetId: number) =>
 export const createQuestionSet = (data: CreateQuestionSetRequest) =>
   http.post<CreateQuestionSetResponse>("/question-sets", data)
 
+export const updateQuestionSet = (questionSetId: number, data: Partial<CreateQuestionSetRequest>) =>
+  http.put(`/question-sets/${questionSetId}`, data)
+
 export const addQuestionToSet = (questionSetId: number, data: AddQuestionToSetRequest) =>
   http.post(`/question-sets/${questionSetId}/questions`, data)
 

src/components/content-management/PracticeQuestionEditorFields.tsx

@@ -909,7 +909,7 @@ export function PracticeQuestionEditorFields({
       </div>
 
       {recordingModal ? (
-        <div className="fixed inset-0 z-[70] flex items-center justify-center bg-black/40 backdrop-blur-sm">
+        <div className="fixed inset-0 z-[120] flex items-center justify-center bg-black/45 backdrop-blur-sm">
           <div className="mx-4 w-full max-w-md overflow-hidden rounded-2xl border border-grayScale-200/80 bg-white p-6 shadow-2xl">
             <p className="text-center text-base font-semibold text-grayScale-900">Recording {recordingModal.label}</p>
             <p className="mt-1 text-center text-xs text-grayScale-500">

src/pages/content-management/AddNewPracticePage.tsx

@@ -73,6 +73,76 @@ function introVideoUrlFromUploadResponse(data: { url?: string; embed_url?: strin
   return pageUrl || null
 }
 
+function toVimeoEmbedUrl(rawUrl: string): string | null {
+  try {
+    const parsed = new URL(rawUrl.trim())
+    const host = parsed.hostname.toLowerCase()
+    if (!host.includes("vimeo.com")) return null
+    if (host.includes("player.vimeo.com") && parsed.pathname.includes("/video/")) return parsed.toString()
+    const segments = parsed.pathname.split("/").filter(Boolean)
+    const videoId = segments.find((segment) => /^\d+$/.test(segment))
+    if (!videoId) return null
+    const hash = parsed.searchParams.get("h")
+    return hash
+      ? `https://player.vimeo.com/video/${videoId}?h=${encodeURIComponent(hash)}`
+      : `https://player.vimeo.com/video/${videoId}`
+  } catch {
+    return null
+  }
+}
+
+function isDirectVideoFile(url: string): boolean {
+  const clean = url.split("?")[0].toLowerCase()
+  return /\.(mp4|webm|ogg|mov|m4v)$/.test(clean)
+}
+
+function escapeHtml(raw: string): string {
+  return raw
+    .replaceAll("&", "&")
+    .replaceAll("<", "&lt;")
+    .replaceAll(">", "&gt;")
+    .replaceAll('"', "&quot;")
+    .replaceAll("'", "&#39;")
+}
+
+function sanitizeAdminRichTextHtml(input: string): string {
+  if (!input.trim()) return ""
+  try {
+    const parser = new DOMParser()
+    const doc = parser.parseFromString(input, "text/html")
+    const blockedTags = new Set(["script", "style", "iframe", "object", "embed", "link", "meta"])
+    doc.body.querySelectorAll("*").forEach((el) => {
+      const tagName = el.tagName.toLowerCase()
+      if (blockedTags.has(tagName)) {
+        el.remove()
+        return
+      }
+      const attrs = [...el.attributes]
+      attrs.forEach((attr) => {
+        const name = attr.name.toLowerCase()
+        const value = attr.value.trim().toLowerCase()
+        if (name.startsWith("on")) {
+          el.removeAttribute(attr.name)
+          return
+        }
+        if ((name === "href" || name === "src") && value.startsWith("javascript:")) {
+          el.removeAttribute(attr.name)
+        }
+      })
+    })
+    return doc.body.innerHTML
+  } catch {
+    return escapeHtml(input).replace(/\r?\n/g, "<br />")
+  }
+}
+
+function formatDescriptionForPreview(raw: string): string {
+  if (!raw.trim()) return ""
+  const hasHtml = /<\/?[a-z][\s\S]*>/i.test(raw)
+  if (hasHtml) return sanitizeAdminRichTextHtml(raw)
+  return escapeHtml(raw).replace(/\r?\n/g, "<br />")
+}
+
 function createEmptyQuestion(id: string): Question {
   return {
     id,
@@ -120,6 +190,7 @@ export function AddNewPracticePage() {
   const [practiceDescription, setPracticeDescription] = useState("")
   const [introVideoUrl, setIntroVideoUrl] = useState("")
   const [uploadingIntroVideo, setUploadingIntroVideo] = useState(false)
+  const [importingIntroVideoUrl, setImportingIntroVideoUrl] = useState(false)
   const introVideoFileInputRef = useRef<HTMLInputElement>(null)
   const [shuffleQuestions, setShuffleQuestions] = useState(false)
   const [passingScore, setPassingScore] = useState(50)
@@ -175,6 +246,49 @@ export function AddNewPracticePage() {
     }
   }
 
+  const handleImportIntroVideoFromUrl = async () => {
+    const source = introVideoUrl.trim()
+    if (!source || !/^https?:\/\//i.test(source)) return
+    const vimeoEmbed = toVimeoEmbedUrl(source)
+    // Vimeo page URLs can be protected by anti-bot checks when server-side fetched.
+    // For those links, prefer local normalization to player URL instead of failing import.
+    if (vimeoEmbed) {
+      setIntroVideoUrl(vimeoEmbed)
+      return
+    }
+
+    setImportingIntroVideoUrl(true)
+    try {
+      const uploadRes = await uploadVideoFile(source, {
+        title: practiceTitle.trim() || "Practice intro",
+        description: practiceDescription.trim() || undefined,
+      })
+      const finalUrl = introVideoUrlFromUploadResponse(uploadRes.data?.data)
+      if (!finalUrl) throw new Error("Missing uploaded video url")
+      setIntroVideoUrl(finalUrl)
+      toast.success("Intro video URL imported", { description: "Processed via /files/upload." })
+    } catch (error) {
+      console.error("Failed to import intro video URL:", error)
+      toast.error("Failed to import intro video URL")
+    } finally {
+      setImportingIntroVideoUrl(false)
+    }
+  }
+
+  const introVideoPreview = useMemo(() => {
+    const raw = introVideoUrl.trim()
+    if (!raw) return null
+    const vimeoEmbedUrl = toVimeoEmbedUrl(raw)
+    if (vimeoEmbedUrl) return { kind: "vimeo" as const, url: vimeoEmbedUrl }
+    if (isDirectVideoFile(raw)) return { kind: "video" as const, url: raw }
+    return null
+  }, [introVideoUrl])
+
+  const descriptionPreviewHtml = useMemo(
+    () => formatDescriptionForPreview(practiceDescription),
+    [practiceDescription],
+  )
+
   const addQuestion = () => {
     setQuestions([...questions, createEmptyQuestion(String(Date.now()))])
   }
@@ -375,6 +489,9 @@ export function AddNewPracticePage() {
                     className="min-h-[88px] w-full rounded-lg border border-grayScale-200 px-3 py-2.5 text-sm transition-colors focus:border-brand-500 focus:outline-none focus:ring-2 focus:ring-brand-100"
                     rows={3}
                   />
+                  <p className="text-xs text-grayScale-500">
+                    Supports plain text and formatted HTML (for headings, lists, italics, and emphasis).
+                  </p>
                 </div>
 
                 <div className="space-y-2">
@@ -384,6 +501,7 @@ export function AddNewPracticePage() {
                   <Input
                     value={introVideoUrl}
                     onChange={(e) => setIntroVideoUrl(e.target.value)}
+                    onBlur={() => void handleImportIntroVideoFromUrl()}
                     placeholder="https://…"
                     type="url"
                     inputMode="url"
@@ -396,14 +514,14 @@ export function AddNewPracticePage() {
                     accept="video/*"
                     className="hidden"
                     onChange={handleIntroVideoFileChange}
-                    disabled={uploadingIntroVideo}
+                    disabled={uploadingIntroVideo || importingIntroVideoUrl}
                   />
                   <div className="flex flex-wrap items-center gap-2">
                     <Button
                       type="button"
                       variant="outline"
                       size="sm"
-                      disabled={uploadingIntroVideo}
+                      disabled={uploadingIntroVideo || importingIntroVideoUrl}
                       onClick={() => introVideoFileInputRef.current?.click()}
                       className="gap-1.5"
                     >
@@ -414,12 +532,50 @@ export function AddNewPracticePage() {
                       )}
                       {uploadingIntroVideo ? "Uploading…" : "Upload video from computer"}
                     </Button>
+                    <Button
+                      type="button"
+                      variant="outline"
+                      size="sm"
+                      disabled={uploadingIntroVideo || importingIntroVideoUrl || !introVideoUrl.trim()}
+                      onClick={() => void handleImportIntroVideoFromUrl()}
+                    >
+                      {importingIntroVideoUrl ? (
+                        <>
+                          <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
+                          Importing URL…
+                        </>
+                      ) : (
+                        "Import URL via /files/upload"
+                      )}
+                    </Button>
                     {introVideoUrl.trim() ? (
                       <Button type="button" variant="ghost" size="sm" onClick={() => setIntroVideoUrl("")}>
                         Clear URL
                       </Button>
                     ) : null}
                   </div>
+                  {introVideoPreview ? (
+                    <div className="rounded-xl border border-grayScale-200 bg-grayScale-50/40 p-3">
+                      <p className="mb-2 text-xs font-medium text-grayScale-500">Preview</p>
+                      {introVideoPreview.kind === "vimeo" ? (
+                        <div className="overflow-hidden rounded-lg border border-grayScale-200 bg-black">
+                          <iframe
+                            src={introVideoPreview.url}
+                            title="Intro video preview"
+                            className="aspect-video w-full"
+                            allow="autoplay; fullscreen; picture-in-picture"
+                            allowFullScreen
+                          />
+                        </div>
+                      ) : (
+                        <video
+                          controls
+                          src={introVideoPreview.url}
+                          className="aspect-video w-full rounded-lg border border-grayScale-200 bg-black"
+                        />
+                      )}
+                    </div>
+                  ) : null}
                   <p className="text-xs leading-relaxed text-grayScale-500">
                     Paste a link or upload from your computer; uploads go through the file service (optional, not tied to sub-course video rows).
                   </p>
@@ -683,9 +839,16 @@ export function AddNewPracticePage() {
                 <span className="text-sm text-grayScale-500">Title</span>
                 <span className="text-sm font-medium text-grayScale-900">{practiceTitle || "Untitled Practice"}</span>
               </div>
-              <div className="flex justify-between bg-grayScale-50/50 px-6 py-3.5">
+              <div className="bg-grayScale-50/50 px-6 py-4">
                 <span className="text-sm text-grayScale-500">Description</span>
-                <span className="max-w-[min(28rem,55%)] text-right text-sm leading-relaxed text-grayScale-700">{practiceDescription || "—"}</span>
+                {descriptionPreviewHtml ? (
+                  <div
+                    className="mt-2 rounded-lg border border-grayScale-200 bg-white px-4 py-3 text-sm leading-relaxed text-grayScale-800 [&_h1]:text-xl [&_h1]:font-semibold [&_h2]:text-lg [&_h2]:font-semibold [&_ol]:list-decimal [&_ol]:pl-6 [&_p]:mb-2 [&_strong]:font-semibold [&_ul]:list-disc [&_ul]:pl-6"
+                    dangerouslySetInnerHTML={{ __html: descriptionPreviewHtml }}
+                  />
+                ) : (
+                  <p className="mt-2 text-sm text-grayScale-400">—</p>
+                )}
               </div>
               <div className="flex justify-between px-6 py-3.5">
                 <span className="text-sm text-grayScale-500">Intro video URL</span>
@@ -693,6 +856,30 @@ export function AddNewPracticePage() {
                   {introVideoUrl.trim() || "—"}
                 </span>
               </div>
+              {introVideoPreview ? (
+                <div className="bg-grayScale-50/50 px-6 py-4">
+                  <span className="text-sm text-grayScale-500">Intro video preview</span>
+                  <div className="mt-2 rounded-lg border border-grayScale-200 bg-white p-3">
+                    {introVideoPreview.kind === "vimeo" ? (
+                      <div className="overflow-hidden rounded-lg border border-grayScale-200 bg-black">
+                        <iframe
+                          src={introVideoPreview.url}
+                          title="Intro video preview"
+                          className="aspect-video w-full"
+                          allow="autoplay; fullscreen; picture-in-picture"
+                          allowFullScreen
+                        />
+                      </div>
+                    ) : (
+                      <video
+                        controls
+                        src={introVideoPreview.url}
+                        className="aspect-video w-full rounded-lg border border-grayScale-200 bg-black"
+                      />
+                    )}
+                  </div>
+                </div>
+              ) : null}
               <div className="flex justify-between bg-grayScale-50/50 px-6 py-3.5">
                 <span className="text-sm text-grayScale-500">Passing Score</span>
                 <span className="text-sm font-medium text-grayScale-900">{passingScore}%</span>

src/pages/content-management/HumanLanguagePage.tsx

@@ -1,5 +1,5 @@
-import { useEffect, useMemo, useState } from "react"
+import { useEffect, useMemo, useState, type ChangeEvent } from "react"
-import { Link } from "react-router-dom"
+import { Link, useNavigate } from "react-router-dom"
 import {
   ChevronDown,
   ChevronRight,
@@ -35,14 +35,15 @@ import {
   createCourse,
   createCourseCategory,
   createHumanLanguageLesson,
-  deletePractice,
+  deleteQuestionSet,
   deleteQuestion,
   deleteSubCourse,
   getHumanLanguageHierarchy,
   getQuestionById,
   getPracticeQuestions,
   getPracticeQuestionsByPractice,
-  updatePractice,
+  getQuestionSetById,
+  updateQuestionSet,
   updateQuestion,
 } from "../../api/courses.api"
 import { Badge } from "../../components/ui/badge"
@@ -58,6 +59,8 @@ import type {
 import { cn } from "../../lib/utils"
 import { toast } from "sonner"
 import { Input } from "../../components/ui/input"
+import { uploadVideoFile } from "../../api/files.api"
+import { resolveMediaPreviewUrl } from "../../lib/practiceMedia"
 import {
   createEmptyPracticeQuestionDraft,
   PracticeQuestionEditorFields,
@@ -184,7 +187,130 @@ type PendingRemove = {
   description: string
 }
 
+function MediaPreviewCard({
+  urlRaw,
+  hint,
+  className = "mt-2",
+  label,
+}: {
+  urlRaw: string
+  hint?: "audio" | "video" | "image"
+  className?: string
+  label?: string
+}) {
+  const normalized = normalizeUrl(urlRaw)
+  const [resolvedUrl, setResolvedUrl] = useState(normalized)
+  const [resolving, setResolving] = useState(false)
+
+  useEffect(() => {
+    let cancelled = false
+    const run = async () => {
+      if (!normalized) {
+        setResolvedUrl("")
+        return
+      }
+      if (/^https?:\/\//i.test(normalized)) {
+        setResolvedUrl(normalized)
+        return
+      }
+      setResolving(true)
+      try {
+        const url = await resolveMediaPreviewUrl(normalized)
+        if (!cancelled) setResolvedUrl(url || normalized)
+      } catch {
+        if (!cancelled) setResolvedUrl(normalized)
+      } finally {
+        if (!cancelled) setResolving(false)
+      }
+    }
+    void run()
+    return () => {
+      cancelled = true
+    }
+  }, [normalized])
+
+  if (!normalized) return null
+  const previewUrl = resolvedUrl || normalized
+  const mediaType = detectMediaType(previewUrl, hint)
+  const vimeoEmbed = getVimeoEmbedUrl(previewUrl)
+  const showPlayer = mediaType === "image" || mediaType === "video" || mediaType === "audio"
+
+  return (
+    <div
+      className={cn(
+        "rounded-lg border border-grayScale-100 bg-white p-3 shadow-sm",
+        !showPlayer && "border-dashed bg-grayScale-50/50",
+        className,
+      )}
+    >
+      {label ? (
+        <p className="mb-2 flex items-center gap-1.5 text-[10px] font-semibold uppercase tracking-wider text-grayScale-500">
+          {hint === "image" ? (
+            <ImageIcon className="h-3 w-3" aria-hidden />
+          ) : hint === "audio" ? (
+            <Mic className="h-3 w-3" aria-hidden />
+          ) : hint === "video" ? (
+            <Video className="h-3 w-3" aria-hidden />
+          ) : (
+            <Link2 className="h-3 w-3" aria-hidden />
+          )}
+          {label}
+        </p>
+      ) : null}
+      {resolving ? (
+        <div className="flex items-center gap-2 rounded-md border border-grayScale-100 bg-grayScale-50 px-3 py-2 text-xs text-grayScale-500">
+          <Loader2 className="h-3.5 w-3.5 animate-spin" />
+          Resolving media URL...
+        </div>
+      ) : mediaType === "image" ? (
+        <img
+          src={previewUrl}
+          alt=""
+          className="max-h-52 w-full rounded-md border border-grayScale-200/90 bg-grayScale-50 object-contain"
+        />
+      ) : mediaType === "video" ? (
+        vimeoEmbed ? (
+          <iframe
+            src={vimeoEmbed}
+            title="Vimeo preview"
+            className="aspect-video h-auto min-h-[200px] w-full rounded-md border border-grayScale-200/90 bg-black/5"
+            allow="autoplay; fullscreen; picture-in-picture"
+            allowFullScreen
+          />
+        ) : (
+          <video
+            controls
+            className="max-h-60 w-full rounded-md border border-grayScale-200/90 bg-black/5"
+            src={previewUrl}
+          />
+        )
+      ) : mediaType === "audio" ? (
+        <audio controls className="h-9 w-full" src={previewUrl} />
+      ) : (
+        <p className="text-xs text-grayScale-500">Preview not available for this URL type.</p>
+      )}
+      <a
+        href={previewUrl}
+        target="_blank"
+        rel="noopener noreferrer"
+        className="mt-2 inline-flex items-center gap-1 text-xs font-medium text-brand-600 hover:text-brand-700 hover:underline"
+      >
+        <Link2 className="h-3 w-3 shrink-0" aria-hidden />
+        Open link
+      </a>
+    </div>
+  )
+}
+
+function nextMissingPositive(values: number[]): number {
+  const existing = new Set(values.filter((n) => Number.isFinite(n) && n > 0))
+  let candidate = 1
+  while (existing.has(candidate)) candidate += 1
+  return candidate
+}
+
 export function HumanLanguagePage() {
+  const navigate = useNavigate()
   const [loading, setLoading] = useState(false)
   const [categoryId, setCategoryId] = useState<number | null>(null)
   const [subCategories, setSubCategories] = useState<HumanLanguageSubCategoryTree[]>([])
@@ -192,6 +318,8 @@ export function HumanLanguagePage() {
   const [selectedCourseId, setSelectedCourseId] = useState<number | "ALL">("ALL")
   const [selectedLevel, setSelectedLevel] = useState<CefrLevel | "ALL">("ALL")
   const [collapsedLevels, setCollapsedLevels] = useState<string[]>([])
+  const [collapsedModuleIds, setCollapsedModuleIds] = useState<number[]>([])
+  const [collapsedSubModuleIds, setCollapsedSubModuleIds] = useState<number[]>([])
   const [creatingKey, setCreatingKey] = useState<string | null>(null)
   const [quickSubCategoryName, setQuickSubCategoryName] = useState("")
   const [quickCourseName, setQuickCourseName] = useState("")
@@ -208,7 +336,15 @@ export function HumanLanguagePage() {
   const [practiceQuestionsState, setPracticeQuestionsState] = useState<Record<number, PracticeQuestionsFetchState>>({})
   const [practiceDialog, setPracticeDialog] = useState<PracticeDialogState>({ open: false })
   const [questionDialog, setQuestionDialog] = useState<QuestionDialogState>({ open: false })
-  const [practiceForm, setPracticeForm] = useState({ title: "", description: "", persona: "" })
+  const [practiceForm, setPracticeForm] = useState({
+    title: "",
+    description: "",
+    persona: "",
+    introVideoUrl: "",
+    passingScore: 50,
+    timeLimitMinutes: 60,
+    shuffleQuestions: false,
+  })
   const [questionDraft, setQuestionDraft] = useState<PracticeQuestionEditorValue>(() => createEmptyPracticeQuestionDraft())
   const [questionDetailById, setQuestionDetailById] = useState<Record<number, QuestionDetail>>({})
   const [practiceTargetDelete, setPracticeTargetDelete] = useState<{ id: number; title: string } | null>(null)
@@ -224,80 +360,15 @@ export function HumanLanguagePage() {
   const [questionSubmitAttempted, setQuestionSubmitAttempted] = useState(false)
   const [practiceFormTouched, setPracticeFormTouched] = useState(false)
   const [questionFormTouched, setQuestionFormTouched] = useState(false)
+  const [loadingPracticeForm, setLoadingPracticeForm] = useState(false)
+  const [uploadingPracticeIntroVideo, setUploadingPracticeIntroVideo] = useState(false)
 
   const renderMediaPreview = (
     urlRaw: string,
     hint?: "audio" | "video" | "image",
     className = "mt-2",
     label?: string,
-  ) => {
+  ) => <MediaPreviewCard urlRaw={urlRaw} hint={hint} className={className} label={label} />
-    const url = normalizeUrl(urlRaw)
-    if (!url) return null
-    const mediaType = detectMediaType(url, hint)
-    const vimeoEmbed = getVimeoEmbedUrl(url)
-    const showPlayer =
-      mediaType === "image" || mediaType === "video" || mediaType === "audio"
-    return (
-      <div
-        className={cn(
-          "rounded-lg border border-grayScale-100 bg-white p-3 shadow-sm",
-          !showPlayer && "border-dashed bg-grayScale-50/50",
-          className,
-        )}
-      >
-        {label ? (
-          <p className="mb-2 flex items-center gap-1.5 text-[10px] font-semibold uppercase tracking-wider text-grayScale-500">
-            {hint === "image" ? (
-              <ImageIcon className="h-3 w-3" aria-hidden />
-            ) : hint === "audio" ? (
-              <Mic className="h-3 w-3" aria-hidden />
-            ) : hint === "video" ? (
-              <Video className="h-3 w-3" aria-hidden />
-            ) : (
-              <Link2 className="h-3 w-3" aria-hidden />
-            )}
-            {label}
-          </p>
-        ) : null}
-        {mediaType === "image" ? (
-          <img
-            src={url}
-            alt=""
-            className="max-h-52 w-full rounded-md border border-grayScale-200/90 bg-grayScale-50 object-contain"
-          />
-        ) : mediaType === "video" ? (
-          vimeoEmbed ? (
-            <iframe
-              src={vimeoEmbed}
-              title="Vimeo preview"
-              className="aspect-video h-auto min-h-[200px] w-full rounded-md border border-grayScale-200/90 bg-black/5"
-              allow="autoplay; fullscreen; picture-in-picture"
-              allowFullScreen
-            />
-          ) : (
-            <video
-              controls
-              className="max-h-60 w-full rounded-md border border-grayScale-200/90 bg-black/5"
-              src={url}
-            />
-          )
-        ) : mediaType === "audio" ? (
-          <audio controls className="h-9 w-full" src={url} />
-        ) : (
-          <p className="text-xs text-grayScale-500">Preview not available for this URL type.</p>
-        )}
-        <a
-          href={url}
-          target="_blank"
-          rel="noopener noreferrer"
-          className="mt-2 inline-flex items-center gap-1 text-xs font-medium text-brand-600 hover:text-brand-700 hover:underline"
-        >
-          <Link2 className="h-3 w-3 shrink-0" aria-hidden />
-          Open link
-        </a>
-      </div>
-    )
-  }
 
   const loadHierarchy = async () => {
     setLoading(true)
@@ -305,7 +376,23 @@ export function HumanLanguagePage() {
       const res = await getHumanLanguageHierarchy()
       const data = res.data?.data
       setCategoryId(data?.category_id ?? null)
-      setSubCategories(data?.sub_categories ?? [])
+      const nextSubCategories = data?.sub_categories ?? []
+      setSubCategories(nextSubCategories)
+      // Default UI behavior: modules and sub-modules start collapsed.
+      const moduleIds = nextSubCategories.flatMap((subCategory) =>
+        subCategory.courses.flatMap((course) =>
+          course.levels.flatMap((levelNode) => levelNode.modules.map((module) => module.id)),
+        ),
+      )
+      const subModuleIds = nextSubCategories.flatMap((subCategory) =>
+        subCategory.courses.flatMap((course) =>
+          course.levels.flatMap((levelNode) =>
+            levelNode.modules.flatMap((module) => module.sub_modules.map((subModule) => subModule.id)),
+          ),
+        ),
+      )
+      setCollapsedModuleIds(moduleIds)
+      setCollapsedSubModuleIds(subModuleIds)
     } finally {
       setLoading(false)
     }
@@ -378,6 +465,18 @@ export function HumanLanguagePage() {
     )
   }
 
+  const toggleModuleCollapsed = (moduleId: number) => {
+    setCollapsedModuleIds((prev) =>
+      prev.includes(moduleId) ? prev.filter((id) => id !== moduleId) : [...prev, moduleId],
+    )
+  }
+
+  const toggleSubModuleCollapsed = (subModuleId: number) => {
+    setCollapsedSubModuleIds((prev) =>
+      prev.includes(subModuleId) ? prev.filter((id) => id !== subModuleId) : [...prev, subModuleId],
+    )
+  }
+
   const levelsWithContentForCourse = (course: HumanLanguageCourseTree) =>
     course.levels.filter((l) => (l.modules?.length ?? 0) > 0).map((l) => l.level.toUpperCase())
 
@@ -401,11 +500,10 @@ export function HumanLanguagePage() {
     const key = `module-${courseId}-${level}`
     setCreatingKey(key)
     try {
-      const maxExisting = modules
+      const usedNumbers = modules
         .map((m) => parseModuleNumber(m.title))
-        .filter((v): v is number => v !== null)
+        .filter((v): v is number => v !== null && v > 0)
-        .reduce((acc, n) => Math.max(acc, n), 0)
+      const next = nextMissingPositive(usedNumbers)
-      const next = maxExisting + 1
       const title = `Module-${next}`
       await createHumanLanguageLesson({
         course_id: courseId,
@@ -437,11 +535,11 @@ export function HumanLanguagePage() {
     const key = `submodule-${courseId}-${level}-${moduleNo}`
     setCreatingKey(key)
     try {
-      const maxExisting = existingSubModules
+      const usedNumbers = existingSubModules
         .map((s) => parseSubModuleNumber(s.title))
         .filter((v): v is { module: number; sub: number } => v !== null && v.module === moduleNo)
-        .reduce((acc, item) => Math.max(acc, item.sub), 0)
+        .map((item) => item.sub)
-      const next = maxExisting + 1
+      const next = nextMissingPositive(usedNumbers)
       const title = `Module-${moduleNo}.${next}`
       await createHumanLanguageLesson({
         course_id: courseId,
@@ -593,23 +691,59 @@ export function HumanLanguagePage() {
   const getSubModuleSelection = (smKey: string): SubModuleCardSelection =>
     subModuleCardSelection[smKey] ?? { lessonId: null, practiceId: null }
 
-  const resetPracticeForm = () => setPracticeForm({ title: "", description: "", persona: "" })
+  const resetPracticeForm = () =>
+    setPracticeForm({
+      title: "",
+      description: "",
+      persona: "",
+      introVideoUrl: "",
+      passingScore: 50,
+      timeLimitMinutes: 60,
+      shuffleQuestions: false,
+    })
   const resetQuestionForm = () => {
     setQuestionDraft(createEmptyPracticeQuestionDraft())
   }
 
-  const openCreatePracticeDialog = (subModuleId: number) => {
+  const openCreatePracticeDialog = (courseId: number, subModuleId: number) => {
-    setPracticeSubmitAttempted(false)
+    if (!categoryId) {
-    setPracticeFormTouched(false)
+      toast.error("Category is not ready yet. Please try again.")
-    resetPracticeForm()
+      return
-    setPracticeDialog({ open: true, mode: "create", subModuleId })
+    }
+    navigate(`/content/human-language/${categoryId}/${courseId}/sub-module/${subModuleId}/add-practice`)
   }
 
-  const openEditPracticeDialog = (subModuleId: number, p: LearningPathPractice) => {
+  const openEditPracticeDialog = async (subModuleId: number, p: LearningPathPractice) => {
     setPracticeSubmitAttempted(false)
     setPracticeFormTouched(false)
-    setPracticeForm({ title: p.title ?? "", description: "", persona: "" })
     setPracticeDialog({ open: true, mode: "edit", subModuleId, practiceId: p.id })
+    setLoadingPracticeForm(true)
+    try {
+      const detail = (await getQuestionSetById(p.id)).data?.data
+      setPracticeForm({
+        title: detail?.title ?? p.title ?? "",
+        description: detail?.description ?? "",
+        persona: detail?.persona ?? "",
+        introVideoUrl: detail?.intro_video_url ?? "",
+        passingScore: detail?.passing_score ?? 50,
+        timeLimitMinutes: detail?.time_limit_minutes ?? 60,
+        shuffleQuestions: detail?.shuffle_questions ?? false,
+      })
+    } catch (error) {
+      console.error("Failed to load practice detail:", error)
+      setPracticeForm({
+        title: p.title ?? "",
+        description: "",
+        persona: "",
+        introVideoUrl: "",
+        passingScore: 50,
+        timeLimitMinutes: 60,
+        shuffleQuestions: false,
+      })
+      toast.error("Could not load full practice details")
+    } finally {
+      setLoadingPracticeForm(false)
+    }
   }
 
   const practiceFieldErrors = useMemo(() => {
@@ -638,10 +772,14 @@ export function HumanLanguagePage() {
         })
         toast.success("Practice created")
       } else if (practiceDialog.practiceId) {
-        await updatePractice(practiceDialog.practiceId, {
+        await updateQuestionSet(practiceDialog.practiceId, {
           title: practiceForm.title.trim(),
-          description: practiceForm.description.trim(),
+          description: practiceForm.description.trim() || undefined,
           persona: practiceForm.persona.trim() || undefined,
+          intro_video_url: practiceForm.introVideoUrl.trim() || undefined,
+          passing_score: Number.isFinite(practiceForm.passingScore) ? practiceForm.passingScore : undefined,
+          time_limit_minutes: Number.isFinite(practiceForm.timeLimitMinutes) ? practiceForm.timeLimitMinutes : undefined,
+          shuffle_questions: practiceForm.shuffleQuestions,
         })
         toast.success("Practice updated")
       }
@@ -658,6 +796,30 @@ export function HumanLanguagePage() {
     }
   }
 
+  const handlePracticeIntroVideoFileChange = async (event: ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0]
+    event.target.value = ""
+    if (!file) return
+    setUploadingPracticeIntroVideo(true)
+    try {
+      const uploadRes = await uploadVideoFile(file, {
+        title: practiceForm.title.trim() || file.name.replace(/\.[^.]+$/, "") || "Practice intro",
+        description: practiceForm.description.trim() || undefined,
+      })
+      const finalUrl = uploadRes.data?.data?.embed_url?.trim()
+        ? `${uploadRes.data.data.embed_url}?h=${uploadRes.data.data.url?.split("/").filter(Boolean).at(-1) ?? ""}`
+        : uploadRes.data?.data?.url?.trim()
+      if (!finalUrl) throw new Error("Missing uploaded video url")
+      setPracticeForm((prev) => ({ ...prev, introVideoUrl: finalUrl }))
+      toast.success("Intro video uploaded")
+    } catch (error) {
+      console.error("Failed to upload intro video:", error)
+      toast.error("Failed to upload intro video")
+    } finally {
+      setUploadingPracticeIntroVideo(false)
+    }
+  }
+
   const openCreateQuestionDialog = (practiceId: number) => {
     setQuestionSubmitAttempted(false)
     setQuestionFormTouched(false)
@@ -857,7 +1019,7 @@ export function HumanLanguagePage() {
     if (!practiceTargetDelete) return
     setDeletingPractice(true)
     try {
-      await deletePractice(practiceTargetDelete.id)
+      await deleteQuestionSet(practiceTargetDelete.id)
       toast.success("Practice deleted")
       setPracticeTargetDelete(null)
       await loadHierarchy()
@@ -907,30 +1069,43 @@ export function HumanLanguagePage() {
   }
 
   return (
-    <div className="space-y-6">
+    <div className="mx-auto w-full max-w-[1600px] space-y-6 pb-10">
-      <div className="rounded-2xl border border-grayScale-200 bg-gradient-to-r from-white to-brand-50/30 p-5 shadow-sm">
+      <div className="overflow-hidden rounded-3xl border border-brand-100/70 bg-gradient-to-r from-white via-brand-50/20 to-violet-50/40 p-6 shadow-sm sm:p-7">
-        <div className="flex items-start gap-3">
+        <div className="flex flex-wrap items-start justify-between gap-4">
-          <div className="rounded-xl bg-brand-100 p-2 text-brand-700">
+          <div className="flex items-start gap-3">
-            <Languages className="h-5 w-5" />
+            <div className="rounded-2xl bg-brand-100 p-2.5 text-brand-700 shadow-sm ring-1 ring-brand-200/70">
+              <Languages className="h-5 w-5" />
+            </div>
+            <div>
+              <h2 className="text-xl font-semibold tracking-tight text-grayScale-900">Human Language Content</h2>
+              <p className="mt-1.5 text-sm leading-relaxed text-grayScale-600">
+                Manage CEFR learning paths from A1 to C3 with quick lesson and practice oversight.
+              </p>
+            </div>
           </div>
-          <div>
+          <div className="flex flex-wrap items-center gap-2">
-            <h2 className="text-lg font-semibold text-grayScale-900">Human Language Content</h2>
+            <span className="rounded-full bg-white/90 px-3 py-1 text-xs font-semibold text-grayScale-700 ring-1 ring-grayScale-200">
-            <p className="mt-1 text-sm text-grayScale-500">
+              {selectedCourses.length} path{selectedCourses.length === 1 ? "" : "s"}
-              Dedicated management view for CEFR levels A1 to C3 with no sub-levels.
+            </span>
-            </p>
+            <span className="rounded-full bg-white/90 px-3 py-1 text-xs font-semibold text-grayScale-700 ring-1 ring-grayScale-200">
+              {subCategories.length} sub-categor{subCategories.length === 1 ? "y" : "ies"}
+            </span>
+            <span className="rounded-full bg-white/90 px-3 py-1 text-xs font-semibold text-grayScale-700 ring-1 ring-grayScale-200">
+              {visibleCefrLevels.length} level{visibleCefrLevels.length === 1 ? "" : "s"}
+            </span>
           </div>
         </div>
       </div>
 
-      <Card className="border-grayScale-200/80 shadow-sm">
+      <Card className="sticky top-3 z-20 border-grayScale-200/80 bg-white/95 shadow-sm backdrop-blur supports-[backdrop-filter]:bg-white/80">
-        <CardHeader>
+        <CardHeader className="pb-3">
-          <CardTitle className="text-base">Filters</CardTitle>
+          <CardTitle className="text-base font-semibold text-grayScale-900">Filters</CardTitle>
         </CardHeader>
         <CardContent className="grid grid-cols-1 gap-4 md:grid-cols-3">
           <div className="space-y-1.5">
             <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Subcategory</label>
             <select
-              className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+              className="h-11 w-full rounded-xl border border-grayScale-200 bg-white px-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
               value={selectedSubCategoryId}
               onChange={(e) =>
                 setSelectedSubCategoryId(e.target.value === "ALL" ? "ALL" : Number(e.target.value))
@@ -947,7 +1122,7 @@ export function HumanLanguagePage() {
           <div className="space-y-1.5">
             <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Course</label>
             <select
-              className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+              className="h-11 w-full rounded-xl border border-grayScale-200 bg-white px-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
               value={selectedCourseId}
               onChange={(e) =>
                 setSelectedCourseId(e.target.value === "ALL" ? "ALL" : Number(e.target.value))
@@ -964,7 +1139,7 @@ export function HumanLanguagePage() {
           <div className="space-y-1.5">
             <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Fetch lessons by level</label>
             <select
-              className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+              className="h-11 w-full rounded-xl border border-grayScale-200 bg-white px-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
               value={selectedLevel}
               onChange={(e) => setSelectedLevel(e.target.value as CefrLevel | "ALL")}
             >
@@ -985,7 +1160,7 @@ export function HumanLanguagePage() {
           Loading human language lessons...
         </div>
       ) : (
-        <div className="space-y-3">
+        <div className="space-y-4">
           {availableCourses.length === 0 ? (
             <Card className="overflow-hidden border-grayScale-200/80">
               <div className="flex items-center justify-between border-b border-grayScale-100 bg-white px-5 py-4">
@@ -993,7 +1168,7 @@ export function HumanLanguagePage() {
                 <div className="relative w-full max-w-sm">
                   <Search className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-grayScale-400" />
                   <input
-                    className="h-11 w-full rounded-xl border border-grayScale-200 bg-white pl-9 pr-3 text-sm"
+                    className="h-11 w-full rounded-xl border border-grayScale-200 bg-white pl-9 pr-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
                     placeholder="Search sub-categories..."
                     value={quickSearch}
                     onChange={(e) => setQuickSearch(e.target.value)}
@@ -1011,13 +1186,13 @@ export function HumanLanguagePage() {
                   </p>
                   <div className="mx-auto mt-5 grid max-w-3xl grid-cols-1 gap-2 md:grid-cols-3">
                     <input
-                      className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+                      className="h-11 rounded-xl border border-grayScale-200 bg-white px-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
                       placeholder="Subcategory (e.g., English)"
                       value={quickSubCategoryName}
                       onChange={(e) => setQuickSubCategoryName(e.target.value)}
                     />
                     <input
-                      className="h-10 rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+                      className="h-11 rounded-xl border border-grayScale-200 bg-white px-3 text-sm shadow-sm transition focus:border-brand-400 focus:outline-none focus:ring-2 focus:ring-brand-100"
                       placeholder="Course (e.g., Speaking)"
                       value={quickCourseName}
                       onChange={(e) => setQuickCourseName(e.target.value)}
@@ -1046,8 +1221,8 @@ export function HumanLanguagePage() {
                 const pathLevelsFull = levelsDone.length >= CEFR_LEVELS.length
 
                 return (
-                  <Card key={course.course_id} className="overflow-hidden border-grayScale-200/80 shadow-sm">
+                  <Card key={course.course_id} className="overflow-hidden border-grayScale-200/80 shadow-sm transition-shadow hover:shadow-md">
-                    <div className="flex flex-wrap items-center justify-between gap-3 border-b border-grayScale-100 bg-white px-4 py-3">
+                    <div className="flex flex-wrap items-center justify-between gap-3 border-b border-grayScale-100 bg-gradient-to-r from-white to-grayScale-50/40 px-4 py-3.5">
                       <button
                         type="button"
                         className="flex min-w-0 flex-1 items-center gap-2 text-left"
@@ -1059,6 +1234,9 @@ export function HumanLanguagePage() {
                           <ChevronDown className="h-5 w-5 shrink-0 text-grayScale-500" aria-hidden />
                         )}
                         <span className="text-base font-semibold text-brand-700">{course.course_name}</span>
+                        <span className="rounded-full bg-brand-50 px-2 py-0.5 text-[11px] font-semibold text-brand-700 ring-1 ring-brand-100">
+                          {levelsDone.length}/{CEFR_LEVELS.length} levels
+                        </span>
                       </button>
                       <div className="flex flex-wrap items-center justify-end gap-2">
                         <Button
@@ -1080,7 +1258,7 @@ export function HumanLanguagePage() {
                       </div>
                     </div>
                     {!pathCollapsed ? (
-                    <CardContent className="space-y-3 p-4">
+                    <CardContent className="space-y-3 p-4 sm:p-5">
                       {courseLevels.length === 0 ? (
                         <p className="text-sm text-grayScale-500">No levels match the current level filter.</p>
                       ) : (
@@ -1091,8 +1269,8 @@ export function HumanLanguagePage() {
                           const levelRemoveIds = modules.flatMap((m) => m.sub_modules.map((s) => s.id))
                           const canRemoveLevel = levelRemoveIds.length > 0
                           return (
-                            <div key={levelKey} className="overflow-hidden rounded-lg border border-grayScale-200/90">
+                            <div key={levelKey} className="overflow-hidden rounded-xl border border-grayScale-200/90 bg-white shadow-sm">
-                              <div className="flex w-full flex-wrap items-center justify-between gap-2 border-b border-grayScale-100 bg-grayScale-50/60 px-4 py-3">
+                              <div className="flex w-full flex-wrap items-center justify-between gap-2 border-b border-grayScale-100 bg-gradient-to-r from-grayScale-50/80 to-white px-4 py-3">
                                 <button
                                   type="button"
                                   className="flex min-w-0 flex-1 items-center gap-2 text-left"
@@ -1126,11 +1304,12 @@ export function HumanLanguagePage() {
                                 </Button>
                               </div>
                               {!collapsedLevels.includes(levelKey) ? (
-                                <div className="space-y-2 p-3">
+                                <div className="space-y-2.5 p-3.5">
                                   <div className="flex items-center justify-between gap-2">
                                     <Button
                                       size="sm"
                                       variant="outline"
+                                      className="h-8 border-grayScale-200 bg-white text-xs hover:border-brand-200 hover:bg-brand-50/40"
                                       onClick={() => handleCreateModule(course.course_id, level, modules)}
                                       disabled={creatingKey === `module-${course.course_id}-${level}`}
                                     >
@@ -1146,13 +1325,32 @@ export function HumanLanguagePage() {
                                     <p className="text-xs text-grayScale-500">No modules yet. Use “Add Module” to start.</p>
                                   ) : (
                                     modules.map((module) => (
-                                      <div key={module.id} className="rounded-lg border border-grayScale-100 bg-grayScale-50/60 p-3">
+                                      <div key={module.id} className="rounded-xl border border-grayScale-100 bg-gradient-to-b from-grayScale-50/70 to-white p-3.5">
+                                        {(() => {
+                                          const moduleCollapsed = collapsedModuleIds.includes(module.id)
+                                          return (
+                                            <>
                                         <div className="flex items-center justify-between gap-2">
-                                          <p className="text-sm font-semibold text-grayScale-900">Module: {module.title}</p>
+                                          <button
+                                            type="button"
+                                            onClick={() => toggleModuleCollapsed(module.id)}
+                                            className="flex min-w-0 flex-1 items-center gap-2 text-left"
+                                          >
+                                            {moduleCollapsed ? (
+                                              <ChevronRight className="h-4 w-4 shrink-0 text-grayScale-500" />
+                                            ) : (
+                                              <ChevronDown className="h-4 w-4 shrink-0 text-grayScale-500" />
+                                            )}
+                                            <p className="truncate text-sm font-semibold text-grayScale-900">Module: {module.title}</p>
+                                            <span className="rounded-md bg-brand-100 px-2 py-0.5 text-xs font-medium text-brand-700">
+                                              {module.sub_modules.length} sub-module(s)
+                                            </span>
+                                          </button>
                                           <div className="flex gap-2">
                                             <Button
                                               size="sm"
                                               variant="outline"
+                                              className="h-8 border-grayScale-200 bg-white text-xs hover:border-brand-200 hover:bg-brand-50/40"
                                               onClick={() =>
                                                 handleCreateSubModule(course.course_id, level, module.title, module.sub_modules)
                                               }
@@ -1169,7 +1367,7 @@ export function HumanLanguagePage() {
                                               type="button"
                                               size="sm"
                                               variant="outline"
-                                              className="h-8 gap-1 border-red-200/90 px-2.5 text-xs font-medium text-red-600 hover:bg-red-50"
+                                              className="h-8 gap-1 border-red-200/90 bg-white px-2.5 text-xs font-medium text-red-600 hover:bg-red-50"
                                               disabled={deletingKey === `module-${module.id}`}
                                               onClick={() =>
                                                 requestRemove({
@@ -1187,7 +1385,8 @@ export function HumanLanguagePage() {
                                             </Button>
                                           </div>
                                         </div>
-                                        {module.sub_modules.map((subModule) => {
+                                        {!moduleCollapsed ? module.sub_modules.map((subModule) => {
+                                          const subModuleCollapsed = collapsedSubModuleIds.includes(subModule.id)
                                           const smKey = `${course.course_id}-${subModule.id}`
                                           const panelTab = subModulePanelTab[smKey] ?? "lessons"
                                           const cardSel = getSubModuleSelection(smKey)
@@ -1210,18 +1409,29 @@ export function HumanLanguagePage() {
                                           return (
                                             <div
                                               key={subModule.id}
-                                              className="mt-2 overflow-hidden rounded-lg border border-grayScale-200/90 bg-white shadow-sm"
+                                              className="mt-2 overflow-hidden rounded-xl border border-grayScale-200/90 bg-white shadow-sm"
                                             >
-                                              <div className="flex flex-wrap items-center justify-between gap-2 border-b border-grayScale-100 bg-grayScale-50/90 px-3 py-2.5">
+                                              <div className="flex flex-wrap items-center justify-between gap-2 border-b border-grayScale-100 bg-gradient-to-r from-grayScale-50/90 to-white px-3 py-2.5">
-                                                <p className="text-sm font-semibold text-grayScale-800">
+                                                <button
-                                                  Sub-module: {subModule.title}
+                                                  type="button"
-                                                </p>
+                                                  onClick={() => toggleSubModuleCollapsed(subModule.id)}
+                                                  className="flex min-w-0 flex-1 items-center gap-2 text-left"
+                                                >
+                                                  {subModuleCollapsed ? (
+                                                    <ChevronRight className="h-4 w-4 shrink-0 text-grayScale-500" />
+                                                  ) : (
+                                                    <ChevronDown className="h-4 w-4 shrink-0 text-grayScale-500" />
+                                                  )}
+                                                  <p className="truncate text-sm font-semibold text-grayScale-800">
+                                                    Sub-module: {subModule.title}
+                                                  </p>
+                                                </button>
                                                 {categoryId ? (
                                                   <div className="flex flex-wrap items-center gap-2">
                                                     <Link
                                                       to={`/content/human-language/${categoryId}/${course.course_id}/sub-module/${subModule.id}`}
                                                     >
-                                                      <Button type="button" variant="outline" size="sm" className="h-8 text-xs">
+                                                      <Button type="button" variant="outline" size="sm" className="h-8 border-grayScale-200 bg-white text-xs hover:border-brand-200 hover:bg-brand-50/40">
                                                         Open editor
                                                       </Button>
                                                     </Link>
@@ -1229,7 +1439,7 @@ export function HumanLanguagePage() {
                                                       type="button"
                                                       size="sm"
                                                       variant="outline"
-                                                      className="h-8 gap-1 border-red-200/90 px-2.5 text-xs font-medium text-red-600 hover:bg-red-50"
+                                                      className="h-8 gap-1 border-red-200/90 bg-white px-2.5 text-xs font-medium text-red-600 hover:bg-red-50"
                                                       disabled={deletingKey === `submodule-${subModule.id}`}
                                                       onClick={() =>
                                                         requestRemove({
@@ -1248,7 +1458,8 @@ export function HumanLanguagePage() {
                                                   </div>
                                                 ) : null}
                                               </div>
-
+                                              {!subModuleCollapsed ? (
+                                              <>
                                               <div className="border-b border-grayScale-100 bg-white px-3">
                                                 <div className="-mb-px flex items-center justify-between gap-4">
                                                   <div className="flex gap-6">
@@ -1290,8 +1501,8 @@ export function HumanLanguagePage() {
                                                       type="button"
                                                       size="sm"
                                                       variant="outline"
-                                                      className="h-7 px-2 text-[11px]"
+                                                      className="h-8 border-grayScale-200 bg-white px-2 text-[11px] hover:border-brand-200 hover:bg-brand-50/40"
-                                                      onClick={() => openCreatePracticeDialog(subModule.id)}
+                                                      onClick={() => openCreatePracticeDialog(course.course_id, subModule.id)}
                                                     >
                                                       <Plus className="h-3.5 w-3.5" />
                                                       New practice
@@ -1300,7 +1511,7 @@ export function HumanLanguagePage() {
                                                 </div>
                                               </div>
 
-                                              <div className="p-3">
+                                              <div className="p-3.5">
                                                 {panelTab === "lessons" ? (
                                                   lessonRows.length === 0 ? (
                                                     <div className="rounded-lg border border-dashed border-grayScale-200 bg-grayScale-50/40 px-4 py-8 text-center text-sm text-grayScale-500">
@@ -1511,15 +1722,6 @@ export function HumanLanguagePage() {
                                                                   {practiceFetch.questions.length} loaded
                                                                 </span>
                                                               ) : null}
-                                                              {categoryId ? (
-                                                                <Button type="button" variant="outline" size="sm" className="h-8 text-xs" asChild>
-                                                                  <Link
-                                                                    to={`/content/human-language/${categoryId}/${course.course_id}/sub-module/${subModule.id}/practices/${selectedPracticeMeta.id}/questions`}
-                                                                  >
-                                                                    Edit in full view
-                                                                  </Link>
-                                                                </Button>
-                                                              ) : null}
                                                             </div>
                                                           </div>
                                                         </div>
@@ -1554,8 +1756,7 @@ export function HumanLanguagePage() {
                                                               No questions in this practice yet.
                                                             </p>
                                                             <p className="mt-1 text-xs text-grayScale-500">
-                                                              Add them via <span className="font-medium text-grayScale-700">Open editor</span>{" "}
+                                                              Add them via <span className="font-medium text-grayScale-700">Open editor</span>.
-                                                              or <span className="font-medium text-grayScale-700">Edit in full view</span>.
                                                             </p>
                                                           </div>
                                                         ) : (
@@ -1695,6 +1896,16 @@ export function HumanLanguagePage() {
                                                                           </div>
                                                                         </div>
                                                                       ) : null}
+                                                                      {q.audio_correct_answer_text ? (
+                                                                        <div className="rounded-lg border border-blue-100 bg-blue-50/40 px-3 py-2.5">
+                                                                          <p className="text-[11px] font-semibold uppercase tracking-wide text-blue-700">
+                                                                            Sample answer text
+                                                                          </p>
+                                                                          <p className="mt-1 text-sm leading-relaxed text-blue-900/90">
+                                                                            {q.audio_correct_answer_text}
+                                                                          </p>
+                                                                        </div>
+                                                                      ) : null}
                                                                     </div>
                                                                   </div>
                                                                 </li>
@@ -1706,9 +1917,7 @@ export function HumanLanguagePage() {
                                                         practiceFetch.totalCount > practiceFetch.questions.length ? (
                                                           <div className="mt-4 rounded-lg border border-grayScale-100 bg-white/80 px-3 py-2 text-center text-xs text-grayScale-600">
                                                             Showing <span className="font-semibold">{practiceFetch.questions.length}</span> of{" "}
-                                                            <span className="font-semibold">{practiceFetch.totalCount}</span> questions. Open{" "}
+                                                            <span className="font-semibold">{practiceFetch.totalCount}</span> questions.
-                                                            <span className="font-medium text-grayScale-800">Edit in full view</span> for the
-                                                            rest.
                                                           </div>
                                                         ) : null}
                                                         </div>
@@ -1721,9 +1930,14 @@ export function HumanLanguagePage() {
                                                   </div>
                                                 )}
                                               </div>
+                                              </>
+                                              ) : null}
                                             </div>
                                           )
-                                        })}
+                                        }) : null}
+                                            </>
+                                          )
+                                        })()}
                                       </div>
                                     ))
                                   )}
@@ -1769,17 +1983,23 @@ export function HumanLanguagePage() {
           }
         }}
       >
-        <DialogContent className="sm:max-w-lg">
+        <DialogContent className="max-h-[90vh] overflow-y-auto sm:max-w-2xl">
           <DialogHeader>
             <DialogTitle>{practiceDialog.open && practiceDialog.mode === "edit" ? "Edit Practice" : "Create Practice"}</DialogTitle>
             <DialogDescription>
-              Manage practice metadata directly from this page.
+              Manage full practice (question set) metadata directly from this page.
               {!practiceCanSave ? (
                 <span className="mt-1 block text-amber-700/90">Required fields must be completed before you can save.</span>
               ) : null}
             </DialogDescription>
           </DialogHeader>
-          <div className="space-y-3">
+          {loadingPracticeForm ? (
+            <div className="flex items-center gap-2 rounded-lg border border-grayScale-200 bg-grayScale-50 px-3 py-3 text-sm text-grayScale-600">
+              <Loader2 className="h-4 w-4 animate-spin" />
+              Loading practice details...
+            </div>
+          ) : (
+          <div className="space-y-4">
             <div className="space-y-1">
               <label className="text-xs font-medium text-grayScale-600">Title</label>
               <input
@@ -1827,12 +2047,89 @@ export function HumanLanguagePage() {
                 placeholder="Optional persona"
               />
             </div>
+            <div className="space-y-2">
+              <label className="text-xs font-medium text-grayScale-600">Intro video URL</label>
+              <Input
+                value={practiceForm.introVideoUrl}
+                onChange={(e) => {
+                  setPracticeFormTouched(true)
+                  setPracticeForm((p) => ({ ...p, introVideoUrl: e.target.value }))
+                }}
+                placeholder="https://..."
+                className="h-10 font-mono text-[13px]"
+              />
+              <div className="flex flex-wrap items-center gap-2">
+                <label className="inline-flex cursor-pointer items-center gap-2 rounded-md border border-grayScale-200 px-3 py-2 text-xs text-grayScale-700 hover:bg-grayScale-50">
+                  {uploadingPracticeIntroVideo ? <Loader2 className="h-4 w-4 animate-spin" /> : <Video className="h-4 w-4" />}
+                  {uploadingPracticeIntroVideo ? "Uploading..." : "Upload intro video"}
+                  <input
+                    type="file"
+                    accept="video/*"
+                    className="hidden"
+                    onChange={(e) => void handlePracticeIntroVideoFileChange(e)}
+                    disabled={uploadingPracticeIntroVideo || savingPractice}
+                  />
+                </label>
+              </div>
+              {practiceForm.introVideoUrl.trim()
+                ? renderMediaPreview(practiceForm.introVideoUrl, "video", "", "Intro video")
+                : null}
+            </div>
+            <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
+              <div className="space-y-1">
+                <label className="text-xs font-medium text-grayScale-600">Passing score</label>
+                <Input
+                  type="number"
+                  min={0}
+                  max={100}
+                  value={practiceForm.passingScore}
+                  onChange={(e) => {
+                    setPracticeFormTouched(true)
+                    setPracticeForm((p) => ({ ...p, passingScore: Number(e.target.value) || 0 }))
+                  }}
+                  className="h-10"
+                />
+              </div>
+              <div className="space-y-1">
+                <label className="text-xs font-medium text-grayScale-600">Time limit (minutes)</label>
+                <Input
+                  type="number"
+                  min={0}
+                  value={practiceForm.timeLimitMinutes}
+                  onChange={(e) => {
+                    setPracticeFormTouched(true)
+                    setPracticeForm((p) => ({ ...p, timeLimitMinutes: Number(e.target.value) || 0 }))
+                  }}
+                  className="h-10"
+                />
+              </div>
+            </div>
+            <div className="flex items-center justify-between rounded-lg border border-grayScale-200 px-3 py-2.5">
+              <label className="text-sm font-medium text-grayScale-700">Shuffle questions</label>
+              <button
+                type="button"
+                onClick={() => {
+                  setPracticeFormTouched(true)
+                  setPracticeForm((p) => ({ ...p, shuffleQuestions: !p.shuffleQuestions }))
+                }}
+                className={`relative inline-flex h-6 w-11 rounded-full transition-colors ${
+                  practiceForm.shuffleQuestions ? "bg-brand-500" : "bg-grayScale-300"
+                }`}
+              >
+                <span
+                  className={`inline-block h-5 w-5 transform rounded-full bg-white shadow transition ${
+                    practiceForm.shuffleQuestions ? "translate-x-5" : "translate-x-0"
+                  }`}
+                />
+              </button>
+            </div>
           </div>
+          )}
           <DialogFooter>
             <Button type="button" variant="outline" onClick={() => setPracticeDialog({ open: false })}>
               Cancel
             </Button>
-            <Button type="button" onClick={() => void handleSavePractice()} disabled={savingPractice || !practiceCanSave}>
+            <Button type="button" onClick={() => void handleSavePractice()} disabled={savingPractice || !practiceCanSave || loadingPracticeForm}>
               {savingPractice ? "Saving..." : "Save"}
             </Button>
           </DialogFooter>