Add tests for featured thumbnail generation; apply Pint formatting and related edits

resources/js/Pages/Academy/Show.jsx

@@ -1,7 +1,53 @@
-import React, { useState } from 'react'
+import React, { useEffect, useRef, useState } from 'react'
 import { Link, router, usePage } from '@inertiajs/react'
 import SeoHead from '../../components/seo/SeoHead'
 
+function slugifyHeading(value, fallback = 'section') {
+  const normalized = String(value || '')
+    .toLowerCase()
+    .trim()
+    .replace(/[^a-z0-9\s-]/g, '')
+    .replace(/\s+/g, '-')
+    .replace(/-+/g, '-')
+    .replace(/^-|-$/g, '')
+
+  return normalized || fallback
+}
+
+function formatLessonDate(value) {
+  if (!value) return 'Recently updated'
+
+  const date = new Date(value)
+
+  if (Number.isNaN(date.getTime())) return 'Recently updated'
+
+  return new Intl.DateTimeFormat('en', { month: 'short', day: 'numeric', year: 'numeric' }).format(date)
+}
+
+function formatLessonMinutes(minutes) {
+  const value = Number(minutes || 0)
+
+  return value > 0 ? `${value} min read` : 'Quick read'
+}
+
+function StatPill({ label, value }) {
+  return (
+    <div className="rounded-2xl border border-white/10 bg-white/[0.04] px-4 py-3">
+      <p className="text-[10px] font-semibold uppercase tracking-[0.24em] text-slate-400">{label}</p>
+      <p className="mt-2 text-sm font-semibold text-white">{value}</p>
+    </div>
+  )
+}
+
+function LessonInfoRow({ label, value }) {
+  return (
+    <div className="flex items-center justify-between gap-4 rounded-2xl border border-white/10 bg-black/20 px-4 py-3">
+      <span className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">{label}</span>
+      <span className="text-sm font-semibold text-white">{value}</span>
+    </div>
+  )
+}
+
 function LockedPanel({ pricingUrl, label }) {
   return (
     <div className="rounded-[28px] border border-amber-300/20 bg-amber-300/10 p-6 text-amber-50">
@@ -13,10 +59,206 @@ function LockedPanel({ pricingUrl, label }) {
   )
 }
 
-export default function AcademyShow({ pageType, item, seo, pricingUrl, completeUrl, completed: initialCompleted, saveUrl, unsaveUrl, saved: initialSaved, submitUrl }) {
+function copyTextToClipboard(text) {
+  const source = String(text || '')
+  if (!source) return Promise.reject(new Error('Nothing to copy'))
+
+  if (navigator.clipboard && typeof navigator.clipboard.writeText === 'function') {
+    return navigator.clipboard.writeText(source)
+  }
+
+  const textarea = document.createElement('textarea')
+  textarea.value = source
+  textarea.setAttribute('readonly', 'true')
+  textarea.style.position = 'fixed'
+  textarea.style.top = '-1000px'
+  textarea.style.left = '-1000px'
+  document.body.appendChild(textarea)
+  textarea.select()
+
+  try {
+    if (document.execCommand('copy')) {
+      return Promise.resolve()
+    }
+  } finally {
+    document.body.removeChild(textarea)
+  }
+
+  return Promise.reject(new Error('Clipboard unavailable'))
+}
+
+function PromptCopyButton({ prompt }) {
+  const [status, setStatus] = useState('idle')
+  const resetTimerRef = useRef(0)
+
+  return (
+    <button
+      type="button"
+      onClick={() => {
+        copyTextToClipboard(prompt)
+          .then(() => setStatus('copied'))
+          .catch(() => setStatus('failed'))
+          .finally(() => {
+            window.clearTimeout(resetTimerRef.current)
+            resetTimerRef.current = window.setTimeout(() => setStatus('idle'), 1800)
+          })
+      }}
+      className="inline-flex items-center gap-2 rounded-full border border-[#ffb9ab]/20 bg-[#ffb9ab]/10 px-4 py-2 text-sm font-semibold text-[#ffe2dc] transition hover:border-[#ffb9ab]/35 hover:bg-[#ffb9ab]/16"
+      aria-label="Copy prompt"
+    >
+      <i className={`fa-solid ${status === 'copied' ? 'fa-check' : status === 'failed' ? 'fa-triangle-exclamation' : 'fa-copy'}`} />
+      <span>{status === 'copied' ? 'Copied' : status === 'failed' ? 'Copy failed' : 'Copy prompt'}</span>
+    </button>
+  )
+}
+
+function AiComparisonSection({ block }) {
+  const payload = block?.payload || {}
+  const criteria = Array.isArray(payload.criteria) ? payload.criteria.filter(Boolean) : []
+  const results = Array.isArray(block?.comparison_results) ? block.comparison_results.filter((result) => result?.active !== false) : []
+  const hasPrompt = Boolean(payload.prompt)
+  const hasNegativePrompt = Boolean(payload.negative_prompt)
+  const hasUsefulData = Boolean(block?.title || payload.title || payload.intro || hasPrompt || hasNegativePrompt || payload.aspect_ratio || criteria.length || results.length)
+
+  if (!hasUsefulData) return null
+
+  return (
+    <section className="rounded-[32px] border border-white/10 bg-[radial-gradient(circle_at_top_left,rgba(255,151,132,0.14),transparent_30%),linear-gradient(180deg,rgba(15,23,42,0.96),rgba(2,6,23,0.92))] p-6 shadow-[0_24px_80px_rgba(2,6,23,0.28)] md:p-7">
+      <div className="flex flex-wrap items-start justify-between gap-4">
+        <div className="max-w-3xl">
+          <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-[#ffb8aa]">AI Model Comparison</p>
+          <h2 className="mt-3 text-2xl font-semibold tracking-[-0.04em] text-white md:text-3xl">{payload.title || block.title || 'Same Prompt, Different AI Models'}</h2>
+          {payload.intro ? <p className="mt-3 text-sm leading-7 text-slate-300 md:text-base">{payload.intro}</p> : null}
+        </div>
+        {payload.aspect_ratio ? <div className="rounded-full border border-white/10 bg-white/[0.04] px-4 py-2 text-xs font-semibold uppercase tracking-[0.18em] text-slate-200">Aspect ratio {payload.aspect_ratio}</div> : null}
+      </div>
+
+      {hasPrompt ? (
+        <div className="mt-6 rounded-[26px] border border-[#ffb8aa]/15 bg-black/25 p-4 md:p-5">
+          <div className="flex flex-wrap items-center justify-between gap-3">
+            <div>
+              <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-[#ffd0c6]">Prompt used</p>
+              <p className="mt-2 text-xs uppercase tracking-[0.16em] text-slate-500">Shared source prompt across all compared models</p>
+            </div>
+            <PromptCopyButton prompt={payload.prompt} />
+          </div>
+          <pre className="mt-4 whitespace-pre-wrap rounded-[22px] border border-white/10 bg-slate-950/70 p-4 text-sm leading-7 text-slate-100">{payload.prompt}</pre>
+          {hasNegativePrompt ? (
+            <div className="mt-4 rounded-[22px] border border-white/10 bg-white/[0.03] p-4">
+              <p className="text-[11px] font-semibold uppercase tracking-[0.2em] text-slate-400">Negative prompt</p>
+              <pre className="mt-3 whitespace-pre-wrap text-sm leading-7 text-slate-300">{payload.negative_prompt}</pre>
+            </div>
+          ) : null}
+        </div>
+      ) : null}
+
+      {criteria.length ? (
+        <div className="mt-6">
+          <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">What we compare</p>
+          <div className="mt-3 flex flex-wrap gap-2">
+            {criteria.map((criterion) => (
+              <span key={criterion} className="rounded-full border border-white/10 bg-white/[0.04] px-3 py-2 text-sm font-medium text-slate-100">{criterion}</span>
+            ))}
+          </div>
+        </div>
+      ) : null}
+
+      {results.length ? (
+        <div className="mt-6 grid gap-5 md:grid-cols-2 2xl:grid-cols-4">
+          {results.map((result) => {
+            const imageUrl = result.thumb_url || result.image_url || result.thumb_path || result.image_path || ''
+            const score = Number(result.score || 0)
+            const hasScore = Number.isFinite(score) && score > 0
+            const altText = `${result.model_name || 'AI model'} by ${result.provider || 'unknown provider'} result for ${payload.prompt || 'comparison prompt'}`
+
+            return (
+              <article key={result.id || `${result.provider}-${result.model_name}-${result.sort_order || 0}`} className="overflow-hidden rounded-[28px] border border-white/10 bg-white/[0.04] shadow-[0_16px_40px_rgba(2,6,23,0.18)]">
+                <div className="aspect-video overflow-hidden bg-slate-950/80">
+                  {imageUrl ? (
+                    <img src={imageUrl} alt={altText} loading="lazy" className="h-full w-full object-cover" />
+                  ) : (
+                    <div className="flex h-full items-center justify-center px-6 text-center text-sm text-slate-500">No comparison image provided.</div>
+                  )}
+                </div>
+
+                <div className="space-y-4 p-5">
+                  <div className="flex flex-wrap items-start justify-between gap-3">
+                    <div>
+                      <h3 className="text-xl font-semibold tracking-[-0.03em] text-white">{result.model_name || result.provider || 'AI model'}</h3>
+                      {result.provider ? <p className="mt-1 text-sm text-slate-400">{result.provider}</p> : null}
+                    </div>
+                    {hasScore ? <div className="rounded-full border border-[#ffb8aa]/20 bg-[#ffb8aa]/10 px-3 py-1 text-sm font-semibold text-[#ffe3dd]">{`Skinbase score ${score}/10`}</div> : null}
+                  </div>
+
+                  {result.settings ? (
+                    <div className="rounded-[20px] border border-white/10 bg-black/20 p-4">
+                      <p className="text-[11px] font-semibold uppercase tracking-[0.18em] text-slate-500">Settings</p>
+                      <p className="mt-2 whitespace-pre-wrap text-sm leading-7 text-slate-300">{result.settings}</p>
+                    </div>
+                  ) : null}
+
+                  {result.strengths ? (
+                    <div>
+                      <p className="text-[11px] font-semibold uppercase tracking-[0.18em] text-emerald-200/75">Strengths</p>
+                      <p className="mt-2 whitespace-pre-wrap text-sm leading-7 text-slate-200">{result.strengths}</p>
+                    </div>
+                  ) : null}
+
+                  {result.weaknesses ? (
+                    <div>
+                      <p className="text-[11px] font-semibold uppercase tracking-[0.18em] text-amber-200/75">Weaknesses</p>
+                      <p className="mt-2 whitespace-pre-wrap text-sm leading-7 text-slate-300">{result.weaknesses}</p>
+                    </div>
+                  ) : null}
+
+                  {result.best_for ? (
+                    <div>
+                      <p className="text-[11px] font-semibold uppercase tracking-[0.18em] text-sky-200/75">Best for</p>
+                      <p className="mt-2 whitespace-pre-wrap text-sm leading-7 text-slate-200">{result.best_for}</p>
+                    </div>
+                  ) : null}
+                </div>
+              </article>
+            )
+          })}
+        </div>
+      ) : null}
+    </section>
+  )
+}
+
+export default function AcademyShow({ pageType, item, relatedLessons = [], seo, pricingUrl, completeUrl, completed: initialCompleted, saveUrl, unsaveUrl, saved: initialSaved, submitUrl }) {
   const flash = usePage().props.flash || {}
   const [completed, setCompleted] = useState(Boolean(initialCompleted))
   const [saved, setSaved] = useState(Boolean(initialSaved))
+  const [tableOfContents, setTableOfContents] = useState([])
+  const [activeHeadingId, setActiveHeadingId] = useState('')
+  const articleContentRef = useRef(null)
+  const lessonCover = item?.cover_image_url || item?.cover_image || ''
+  const lessonCategory = item?.category?.name || 'Academy'
+  const lessonDifficulty = item?.difficulty || 'Intermediate'
+  const lessonMinutes = formatLessonMinutes(item?.reading_minutes)
+  const lessonUpdated = formatLessonDate(item?.published_at)
+  const lessonBlocks = Array.isArray(item?.blocks) ? item.blocks : []
+  const relatedLessonList = Array.isArray(relatedLessons) ? relatedLessons : []
+  const lessonSummary = item.excerpt || item.description || item.prompt_preview || item.content_preview || 'A focused Academy lesson with practical guidance and examples.'
+  const fontScaleStorageKey = 'academy.lesson.font-scale'
+  const fontScaleMin = 0.95
+  const fontScaleMax = 1.12
+  const fontScaleStep = 0.04
+  const [lessonFontScale, setLessonFontScale] = useState(() => {
+    if (typeof window === 'undefined') {
+      return 1.04
+    }
+
+    const storedValue = Number(window.localStorage.getItem(fontScaleStorageKey))
+
+    if (Number.isFinite(storedValue)) {
+      return Math.min(fontScaleMax, Math.max(fontScaleMin, storedValue))
+    }
+
+    return 1.04
+  })
 
   const markComplete = () => {
     if (!completeUrl || completed) return
@@ -35,84 +277,414 @@ export default function AcademyShow({ pageType, item, seo, pricingUrl, completeU
     })
   }
 
+  const decreaseFontSize = () => {
+    setLessonFontScale((current) => Math.max(fontScaleMin, Number((current - fontScaleStep).toFixed(2))))
+  }
+
+  const increaseFontSize = () => {
+    setLessonFontScale((current) => Math.min(fontScaleMax, Number((current + fontScaleStep).toFixed(2))))
+  }
+
+  useEffect(() => {
+    if (pageType !== 'lesson' || !item?.content || !articleContentRef.current) {
+      setTableOfContents([])
+      setActiveHeadingId('')
+      return
+    }
+
+    const headings = Array.from(articleContentRef.current.querySelectorAll('h2, h3'))
+    const seenIds = new Map()
+    const nextTableOfContents = headings.map((heading, index) => {
+      const baseId = slugifyHeading(heading.textContent, `section-${index + 1}`)
+      const seenCount = seenIds.get(baseId) ?? 0
+      const nextId = seenCount > 0 ? `${baseId}-${seenCount + 1}` : baseId
+
+      seenIds.set(baseId, seenCount + 1)
+      heading.id = nextId
+
+      return {
+        id: nextId,
+        title: heading.textContent?.trim() || `Section ${index + 1}`,
+        level: heading.tagName.toLowerCase(),
+      }
+    })
+
+    setTableOfContents(nextTableOfContents)
+  }, [item?.content, pageType])
+
+  useEffect(() => {
+    if (pageType !== 'lesson' || tableOfContents.length === 0 || !articleContentRef.current) {
+      setActiveHeadingId('')
+      return
+    }
+
+    const headingElements = Array.from(articleContentRef.current.querySelectorAll('h2, h3'))
+
+    if (!headingElements.length) {
+      setActiveHeadingId('')
+      return
+    }
+
+    const observer = new IntersectionObserver((entries) => {
+      const visibleEntries = entries
+        .filter((entry) => entry.isIntersecting)
+        .sort((left, right) => left.boundingClientRect.top - right.boundingClientRect.top)
+
+      if (visibleEntries.length) {
+        setActiveHeadingId((current) => visibleEntries[0].target.id || current)
+      }
+    }, {
+      root: null,
+      rootMargin: '-18% 0px -68% 0px',
+      threshold: [0, 1],
+    })
+
+    headingElements.forEach((heading) => observer.observe(heading))
+
+    const firstVisibleHeading = headingElements.find((heading) => heading.getBoundingClientRect().top >= 0) || headingElements[0]
+    if (firstVisibleHeading?.id) {
+      setActiveHeadingId(firstVisibleHeading.id)
+    }
+
+    return () => observer.disconnect()
+  }, [pageType, tableOfContents, lessonFontScale])
+
+  useEffect(() => {
+    if (typeof window === 'undefined') {
+      return
+    }
+
+    window.localStorage.setItem(fontScaleStorageKey, String(lessonFontScale))
+  }, [lessonFontScale])
+
+  useEffect(() => {
+    if (pageType !== 'lesson' || !item?.content || !articleContentRef.current) {
+      return
+    }
+
+    const codeBlocks = Array.from(articleContentRef.current.querySelectorAll('pre code'))
+
+    if (!codeBlocks.length) {
+      return
+    }
+
+    const fallbackCopyText = (text) => {
+      const textarea = document.createElement('textarea')
+      textarea.value = text
+      textarea.setAttribute('readonly', 'true')
+      textarea.style.position = 'fixed'
+      textarea.style.top = '-1000px'
+      textarea.style.left = '-1000px'
+      document.body.appendChild(textarea)
+      textarea.select()
+
+      try {
+        return document.execCommand('copy')
+      } catch (_error) {
+        return false
+      } finally {
+        document.body.removeChild(textarea)
+      }
+    }
+
+    const copyText = (text) => {
+      if (navigator.clipboard && typeof navigator.clipboard.writeText === 'function') {
+        return navigator.clipboard.writeText(text)
+      }
+
+      return fallbackCopyText(text)
+        ? Promise.resolve()
+        : Promise.reject(new Error('Clipboard unavailable'))
+    }
+
+    codeBlocks.forEach((block) => {
+      const pre = block.parentElement
+
+      if (!pre || pre.dataset.academyCopyButtonMounted === 'true') {
+        return
+      }
+
+      const button = document.createElement('button')
+      const icon = document.createElement('span')
+      const label = document.createElement('span')
+
+      button.type = 'button'
+      button.className = 'story-code-copy-button academy-code-copy-button'
+      icon.className = 'story-code-copy-icon'
+      icon.setAttribute('aria-hidden', 'true')
+      icon.textContent = '⧉'
+      label.className = 'story-code-copy-label'
+      label.textContent = 'Copy'
+      button.appendChild(icon)
+      button.appendChild(label)
+      button.dataset.copied = 'idle'
+      button.setAttribute('aria-label', 'Copy code block')
+
+      let resetTimer = 0
+
+      button.addEventListener('click', () => {
+        const source = block.innerText || block.textContent || ''
+
+        copyText(source)
+          .then(() => {
+            icon.textContent = '✓'
+            label.textContent = 'Copied'
+            button.dataset.copied = 'true'
+          })
+          .catch(() => {
+            icon.textContent = '!'
+            label.textContent = 'Failed'
+            button.dataset.copied = 'false'
+          })
+          .finally(() => {
+            window.clearTimeout(resetTimer)
+            resetTimer = window.setTimeout(() => {
+              icon.textContent = '⧉'
+              label.textContent = 'Copy'
+              button.dataset.copied = 'idle'
+            }, 1800)
+          })
+      })
+
+      pre.appendChild(button)
+      pre.dataset.academyCopyButtonMounted = 'true'
+    })
+  }, [item?.content, lessonFontScale, pageType])
+
   return (
     <main className="min-h-screen bg-[radial-gradient(circle_at_top_left,_rgba(56,189,248,0.15),_transparent_24%),radial-gradient(circle_at_bottom_right,_rgba(251,191,36,0.16),_transparent_24%),linear-gradient(180deg,_#0f172a_0%,_#111827_100%)] px-4 py-8 sm:px-6 lg:px-8">
       <SeoHead seo={seo || {}} title={item?.title} description={item?.excerpt || item?.description} />
 
-      <div className="mx-auto max-w-[1200px] space-y-6">
-        <section className="rounded-[38px] border border-white/10 bg-black/20 p-8 md:p-10">
-          <div className="flex flex-wrap items-start justify-between gap-5">
-            <div className="max-w-3xl">
-              <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-sky-200/80">Skinbase AI Academy</p>
-              <h1 className="mt-3 text-4xl font-semibold tracking-[-0.05em] text-white md:text-5xl">{item.title}</h1>
-              <p className="mt-4 text-base leading-8 text-slate-300">{item.excerpt || item.description || item.prompt_preview || item.content_preview}</p>
-            </div>
-
-            <div className="flex flex-wrap gap-3">
-              {completeUrl ? <button type="button" onClick={markComplete} className="rounded-full border border-emerald-300/25 bg-emerald-300/12 px-5 py-3 text-sm font-semibold text-emerald-100">{completed ? 'Completed' : 'Mark complete'}</button> : null}
-              {saveUrl ? <button type="button" onClick={toggleSave} className="rounded-full border border-sky-300/25 bg-sky-300/12 px-5 py-3 text-sm font-semibold text-sky-100">{saved ? 'Saved' : 'Save prompt'}</button> : null}
-              {submitUrl ? <Link href={submitUrl} className="rounded-full border border-sky-300/25 bg-sky-300/12 px-5 py-3 text-sm font-semibold text-sky-100">Submit artwork</Link> : null}
-            </div>
-          </div>
-        </section>
-
+      <div className="mx-auto max-w-[1320px] space-y-6">
         {flash.success ? <div className="rounded-2xl border border-emerald-300/20 bg-emerald-300/10 px-4 py-3 text-sm text-emerald-100">{flash.success}</div> : null}
         {flash.error ? <div className="rounded-2xl border border-rose-300/20 bg-rose-300/10 px-4 py-3 text-sm text-rose-100">{flash.error}</div> : null}
 
         {item.locked ? <LockedPanel pricingUrl={pricingUrl} label={pageType} /> : null}
 
-        <section className="rounded-[30px] border border-white/10 bg-white/[0.04] p-6 text-slate-200">
-          {pageType === 'lesson' ? <div className="whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.content || item.content_preview}</div> : null}
-          {pageType === 'prompt' ? (
-            <div className="space-y-6">
-              <div>
-                <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Prompt</p>
-                <pre className="mt-3 whitespace-pre-wrap rounded-2xl border border-white/10 bg-black/20 p-4 text-sm leading-7 text-slate-200">{item.prompt || item.prompt_preview}</pre>
-              </div>
-              {item.negative_prompt ? <div><p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Negative prompt</p><pre className="mt-3 whitespace-pre-wrap rounded-2xl border border-white/10 bg-black/20 p-4 text-sm leading-7 text-slate-200">{item.negative_prompt}</pre></div> : null}
-            </div>
-          ) : null}
-          {pageType === 'pack' ? (
-            <div className="space-y-5">
-              <p className="text-sm leading-8 text-slate-200">{item.description}</p>
-              <div className="grid gap-4 md:grid-cols-2">
-                {(item.prompts || []).map((prompt) => (
-                  <div key={prompt.id} className="rounded-2xl border border-white/10 bg-black/20 p-4">
-                    <h3 className="text-lg font-semibold text-white">{prompt.title}</h3>
-                    <p className="mt-2 text-sm leading-7 text-slate-300">{prompt.excerpt || prompt.prompt_preview}</p>
-                  </div>
-                ))}
-              </div>
-            </div>
-          ) : null}
-          {pageType === 'challenge' ? (
-            <div className="space-y-6">
-              <div className="grid gap-6 md:grid-cols-2">
-                <div>
-                  <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Brief</p>
-                  <div className="mt-3 whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.brief || item.description}</div>
-                </div>
-                <div>
-                  <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Rules</p>
-                  <div className="mt-3 whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.rules || 'No special rules posted yet.'}</div>
-                </div>
-              </div>
-              {(item.submissions || []).length ? (
-                <div>
-                  <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Approved submissions</p>
-                  <div className="mt-4 grid gap-4 md:grid-cols-2">
-                    {item.submissions.map((submission) => (
-                      <div key={submission.id} className="rounded-2xl border border-white/10 bg-black/20 p-4">
-                        <h3 className="text-lg font-semibold text-white">{submission.artwork?.title || 'Submission'}</h3>
-                        <p className="mt-2 text-sm text-slate-400">{submission.user?.name || 'Unknown creator'}</p>
-                      </div>
-                    ))}
+        {pageType === 'lesson' ? (
+          <div className="space-y-8">
+            <section className="overflow-hidden rounded-[40px] border border-white/10 bg-black/20 shadow-[0_24px_90px_rgba(15,23,42,0.34)]">
+              <div className="grid gap-0 lg:grid-cols-[minmax(0,1fr)_360px]">
+                <div className="relative overflow-hidden p-8 md:p-10 lg:p-12">
+                  {lessonCover ? <img src={lessonCover} alt="" aria-hidden="true" className="absolute inset-0 h-full w-full object-cover opacity-15" /> : null}
+                  <div className="absolute inset-0 bg-[radial-gradient(circle_at_top_left,_rgba(56,189,248,0.22),_transparent_34%),linear-gradient(135deg,_rgba(2,6,23,0.96),_rgba(15,23,42,0.78))]" />
+                  <div className="relative z-10 max-w-3xl">
+                    <div className="flex flex-wrap gap-2">
+                      <span className="rounded-full border border-sky-300/20 bg-sky-300/10 px-3 py-1 text-[11px] font-semibold uppercase tracking-[0.24em] text-sky-100">Skinbase AI Academy</span>
+                      <span className="rounded-full border border-white/10 bg-white/[0.05] px-3 py-1 text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-300">{lessonCategory}</span>
+                      <span className="rounded-full border border-white/10 bg-white/[0.05] px-3 py-1 text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-300">{lessonDifficulty}</span>
+                    </div>
+
+                    <h1 className="mt-5 text-4xl font-semibold tracking-[-0.055em] text-white md:text-5xl lg:text-6xl">{item.title}</h1>
+                    <p className="mt-5 max-w-2xl text-base leading-8 text-slate-300 md:text-lg">{lessonSummary}</p>
+
+                    <div className="mt-7 flex flex-wrap gap-3">
+                      {completeUrl ? <button type="button" onClick={markComplete} className="rounded-full border border-emerald-300/25 bg-emerald-300/12 px-5 py-3 text-sm font-semibold text-emerald-100">{completed ? 'Completed' : 'Mark complete'}</button> : null}
+                      {saveUrl ? <button type="button" onClick={toggleSave} className="rounded-full border border-sky-300/25 bg-sky-300/12 px-5 py-3 text-sm font-semibold text-sky-100">{saved ? 'Saved' : 'Save prompt'}</button> : null}
+                      {submitUrl ? <Link href={submitUrl} className="rounded-full border border-white/10 bg-white/[0.06] px-5 py-3 text-sm font-semibold text-white transition hover:border-sky-300/25 hover:bg-sky-300/12 hover:text-sky-100">Submit artwork</Link> : null}
+                    </div>
+
+                    <div className="mt-8 grid gap-3 sm:grid-cols-2 xl:grid-cols-4">
+                      <StatPill label="Category" value={lessonCategory} />
+                      <StatPill label="Reading" value={lessonMinutes} />
+                      <StatPill label="Updated" value={lessonUpdated} />
+                      <StatPill label="Access" value={item.access_level || 'free'} />
+                    </div>
                   </div>
                 </div>
-              ) : null}
+
+                <aside className="border-t border-white/10 bg-white/[0.03] p-6 lg:border-l lg:border-t-0 lg:p-8">
+                  <div className="space-y-5 lg:sticky lg:top-6">
+                    <div className="overflow-hidden rounded-[28px] border border-white/10 bg-black/20">
+                      {lessonCover ? <img src={lessonCover} alt={item.title} className="h-52 w-full object-cover" /> : <div className="flex h-52 items-center justify-center bg-[linear-gradient(135deg,_rgba(14,165,233,0.18),_rgba(17,24,39,0.94))] text-sm font-semibold uppercase tracking-[0.24em] text-slate-300">Lesson cover</div>}
+                    </div>
+
+                    <div className="space-y-3">
+                      <LessonInfoRow label="Series" value={lessonCategory} />
+                      <LessonInfoRow label="Difficulty" value={lessonDifficulty} />
+                      <LessonInfoRow label="Reading time" value={lessonMinutes} />
+                      <LessonInfoRow label="Published" value={lessonUpdated} />
+                    </div>
+
+                    <div className="rounded-[28px] border border-white/10 bg-black/20 p-5">
+                      <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-400">Lesson status</p>
+                      <p className="mt-3 text-sm leading-7 text-slate-300">{item.locked ? 'This lesson is partially locked for your account level.' : 'Full lesson content is available below.'}</p>
+                    </div>
+                  </div>
+                </aside>
+              </div>
+            </section>
+
+            <div className="grid gap-8 lg:grid-cols-[minmax(0,1fr)_360px]">
+              <article className="rounded-[32px] border border-white/10 bg-white/[0.04] p-6 text-slate-200 md:p-8">
+                <div className="flex flex-wrap items-center justify-between gap-4 border-b border-white/10 pb-5">
+                  <div>
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-sky-200/80">Article</p>
+                    <h2 className="mt-2 text-2xl font-semibold tracking-[-0.04em] text-white">Lesson content</h2>
+                  </div>
+                  <div className="flex flex-wrap items-center gap-2">
+                    <span className="rounded-full border border-white/10 bg-white/[0.05] px-3 py-1 text-xs font-semibold uppercase tracking-[0.2em] text-slate-300">{lessonMinutes}</span>
+                    <div className="flex items-center gap-1 rounded-full border border-white/10 bg-black/20 p-1">
+                      <button
+                        type="button"
+                        onClick={decreaseFontSize}
+                        disabled={lessonFontScale <= fontScaleMin}
+                        aria-label="Decrease article text size"
+                        className="inline-flex h-8 w-8 items-center justify-center rounded-full border border-white/10 bg-white/[0.04] text-sm font-semibold text-slate-200 transition hover:border-sky-300/30 hover:bg-sky-300/12 hover:text-sky-100 disabled:cursor-not-allowed disabled:opacity-40"
+                      >
+                        -
+                      </button>
+                      <span className="min-w-12 px-1 text-center text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">{Math.round(lessonFontScale * 100)}%</span>
+                      <button
+                        type="button"
+                        onClick={increaseFontSize}
+                        disabled={lessonFontScale >= fontScaleMax}
+                        aria-label="Increase article text size"
+                        className="inline-flex h-8 w-8 items-center justify-center rounded-full border border-white/10 bg-white/[0.04] text-sm font-semibold text-slate-200 transition hover:border-sky-300/30 hover:bg-sky-300/12 hover:text-sky-100 disabled:cursor-not-allowed disabled:opacity-40"
+                      >
+                        +
+                      </button>
+                    </div>
+                  </div>
+                </div>
+
+                <div className="mt-6">
+                  {item.content ? (
+                    <div className="space-y-8">
+                      <div
+                        ref={articleContentRef}
+                        className="story-prose academy-lesson-prose prose prose-invert max-w-none"
+                        style={{ '--academy-lesson-font-scale': lessonFontScale }}
+                        dangerouslySetInnerHTML={{ __html: item.content }}
+                      />
+                      {lessonBlocks.map((block) => <AiComparisonSection key={block.id || `${block.type}-${block.sort_order || 0}`} block={block} />)}
+                    </div>
+                  ) : (
+                    <div className="space-y-8">
+                      <div className="whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.content_preview}</div>
+                      {lessonBlocks.map((block) => <AiComparisonSection key={block.id || `${block.type}-${block.sort_order || 0}`} block={block} />)}
+                    </div>
+                  )}
+                </div>
+              </article>
+
+              <aside className="space-y-6 lg:sticky lg:top-6 lg:self-start">
+                {tableOfContents.length ? (
+                  <section className="rounded-[32px] border border-white/10 bg-white/[0.04] p-6 text-slate-200">
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-400">On this page</p>
+                    <h3 className="mt-2 text-2xl font-semibold tracking-[-0.04em] text-white">Table of contents</h3>
+
+                    <nav aria-label="Lesson table of contents" className="mt-5 space-y-1.5">
+                      {tableOfContents.map((entry) => (
+                        <a
+                          key={entry.id}
+                          href={`#${entry.id}`}
+                          aria-current={activeHeadingId === entry.id ? 'location' : undefined}
+                          className={`academy-lesson-toc-link ${entry.level === 'h3' ? 'academy-lesson-toc-link-subtle' : ''} ${activeHeadingId === entry.id ? 'academy-lesson-toc-link-active' : ''}`}
+                        >
+                          <span className="academy-lesson-toc-link-indicator" aria-hidden="true" />
+                          <span>{entry.title}</span>
+                        </a>
+                      ))}
+                    </nav>
+                  </section>
+                ) : null}
+
+                <section className="rounded-[32px] border border-white/10 bg-white/[0.04] p-6 text-slate-200">
+                  <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-400">Series info</p>
+                  <h3 className="mt-2 text-2xl font-semibold tracking-[-0.04em] text-white">{lessonCategory}</h3>
+                  <div className="mt-5 space-y-3">
+                    <LessonInfoRow label="Category" value={lessonCategory} />
+                    <LessonInfoRow label="Difficulty" value={lessonDifficulty} />
+                    <LessonInfoRow label="Reading" value={lessonMinutes} />
+                    <LessonInfoRow label="Updated" value={lessonUpdated} />
+                  </div>
+                </section>
+
+                {relatedLessonList.length ? (
+                  <section className="rounded-[32px] border border-white/10 bg-white/[0.04] p-6 text-slate-200">
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.24em] text-slate-400">Continue learning</p>
+                    <h3 className="mt-2 text-2xl font-semibold tracking-[-0.04em] text-white">More in {lessonCategory}</h3>
+
+                    <div className="mt-5 space-y-3">
+                      {relatedLessonList.map((relatedLesson, index) => (
+                        <Link
+                          key={relatedLesson.id}
+                          href={`/academy/lessons/${relatedLesson.slug}`}
+                          className="group flex gap-4 rounded-[22px] border border-white/10 bg-black/20 p-4 transition hover:border-sky-300/25 hover:bg-white/[0.06]"
+                        >
+                          <div className="flex h-12 w-12 shrink-0 items-center justify-center rounded-2xl border border-sky-300/15 bg-sky-300/10 text-sm font-semibold text-sky-100">
+                            {String(index + 1).padStart(2, '0')}
+                          </div>
+
+                          <div className="min-w-0 flex-1">
+                            <div className="flex items-start justify-between gap-3">
+                              <h4 className="text-sm font-semibold text-white transition group-hover:text-sky-100">{relatedLesson.title}</h4>
+                              <span className="shrink-0 rounded-full border border-white/10 bg-white/[0.04] px-2.5 py-1 text-[10px] font-semibold uppercase tracking-[0.18em] text-slate-400">{formatLessonMinutes(relatedLesson.reading_minutes)}</span>
+                            </div>
+                            <p className="mt-2 text-xs leading-6 text-slate-400">{relatedLesson.excerpt || relatedLesson.content_preview || 'Continue the series with the next lesson.'}</p>
+                          </div>
+                        </Link>
+                      ))}
+                    </div>
+                  </section>
+                ) : null}
+              </aside>
             </div>
-          ) : null}
-        </section>
+          </div>
+        ) : (
+          <section className="rounded-[30px] border border-white/10 bg-white/[0.04] p-6 text-slate-200">
+            {pageType === 'prompt' ? (
+              <div className="space-y-6">
+                <div>
+                  <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Prompt</p>
+                  <pre className="mt-3 whitespace-pre-wrap rounded-2xl border border-white/10 bg-black/20 p-4 text-sm leading-7 text-slate-200">{item.prompt || item.prompt_preview}</pre>
+                </div>
+                {item.negative_prompt ? <div><p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Negative prompt</p><pre className="mt-3 whitespace-pre-wrap rounded-2xl border border-white/10 bg-black/20 p-4 text-sm leading-7 text-slate-200">{item.negative_prompt}</pre></div> : null}
+              </div>
+            ) : null}
+            {pageType === 'pack' ? (
+              <div className="space-y-5">
+                <p className="text-sm leading-8 text-slate-200">{item.description}</p>
+                <div className="grid gap-4 md:grid-cols-2">
+                  {(item.prompts || []).map((prompt) => (
+                    <div key={prompt.id} className="rounded-2xl border border-white/10 bg-black/20 p-4">
+                      <h3 className="text-lg font-semibold text-white">{prompt.title}</h3>
+                      <p className="mt-2 text-sm leading-7 text-slate-300">{prompt.excerpt || prompt.prompt_preview}</p>
+                    </div>
+                  ))}
+                </div>
+              </div>
+            ) : null}
+            {pageType === 'challenge' ? (
+              <div className="space-y-6">
+                <div className="grid gap-6 md:grid-cols-2">
+                  <div>
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Brief</p>
+                    <div className="mt-3 whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.brief || item.description}</div>
+                  </div>
+                  <div>
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Rules</p>
+                    <div className="mt-3 whitespace-pre-wrap text-sm leading-8 text-slate-200">{item.rules || 'No special rules posted yet.'}</div>
+                  </div>
+                </div>
+                {(item.submissions || []).length ? (
+                  <div>
+                    <p className="text-[11px] font-semibold uppercase tracking-[0.22em] text-slate-400">Approved submissions</p>
+                    <div className="mt-4 grid gap-4 md:grid-cols-2">
+                      {item.submissions.map((submission) => (
+                        <div key={submission.id} className="rounded-2xl border border-white/10 bg-black/20 p-4">
+                          <h3 className="text-lg font-semibold text-white">{submission.artwork?.title || 'Submission'}</h3>
+                          <p className="mt-2 text-sm text-slate-400">{submission.user?.name || 'Unknown creator'}</p>
+                        </div>
+                      ))}
+                    </div>
+                  </div>
+                ) : null}
+              </div>
+            ) : null}
+          </section>
+        )}
       </div>
     </main>
   )