Implementar sistema de evaluación (quiz) para los posts

app/[post]/page.jsx

@@ -3,6 +3,7 @@ import { fetchPost, listPosts } from '../../utils/posts.js'
 import './HighlightCode.css'
 import { Pill } from '../components/Pill.jsx'
 import { ButtonRead } from '../components/ButtonRead.jsx'
+import { PostActionsSheet } from '../components/PostActionsSheet.jsx'
 
 export async function generateStaticParams() {
   return listPosts()
@@ -45,6 +46,7 @@ export default async function Post(props) {
         className='prose max-w-none pb-4 [&>hr]:hidden [&>h1]:text-3xl [&>h1]:font-bold [&>h1]:text-blue-900 [&>h1]:pb-8 [&>p]:pb-6 [&>p]:text-lg md:[&>p]:text-xl [&>p>strong]:bg-yellow-50 [&_a]:text-blue-700 [&_a:hover]:underline [&>ul>li]:list-disc [&>ul]:text-lg md:[&>ul]:text-xl [&>ul]:text-blue-900 dark:[&>ul]:text-blue-200 [&>ul]:pb-4 [&>ul>li]:ml-5 [&>ul]:space-y-3 [&>pre]:overflow-x-auto  [&>pre]:rounded-xl [&>pre]:text-white [&>pre]:mb-8 [&>pre]:p-8 [&>pre]:bg-slate-800'
         dangerouslySetInnerHTML={{ __html: content }}
       />
+      <PostActionsSheet postId={post} />
       <footer className='py-12 clear-both text-center [&>a]:leading-snug [&>a]:hover:underline [&>a]:block [&>a]:my-2'>
         {prev && (
           <Link className='lg:float-left' href={`/${prev.id}/#content`}>

app/components/PostActionsSheet.jsx

@@ -0,0 +1,103 @@
+'use client'
+
+import { useState, useEffect, useCallback, useRef } from 'react'
+import { createPortal } from 'react-dom'
+import { Quiz } from './Quiz.jsx'
+
+export function PostActionsSheet({ postId }) {
+  const [open, setOpen] = useState(null) // 'practicar' | 'evaluar' | null
+  const [mounted, setMounted] = useState(false)
+  const sheetRef = useRef(null)
+
+  useEffect(() => {
+    setMounted(true)
+  }, [])
+
+  const close = useCallback(() => setOpen(null), [])
+
+  useEffect(() => {
+    if (!open) return
+    const onKey = e => {
+      if (e.key === 'Escape') close()
+    }
+    window.addEventListener('keydown', onKey)
+    return () => window.removeEventListener('keydown', onKey)
+  }, [open, close])
+
+  useEffect(() => {
+    if (!open) return
+    const handleClickOutside = e => {
+      if (sheetRef.current && !sheetRef.current.contains(e.target)) {
+        close()
+      }
+    }
+    document.addEventListener('mousedown', handleClickOutside)
+    return () => document.removeEventListener('mousedown', handleClickOutside)
+  }, [open, close])
+
+  const openSheet = type => setOpen(type)
+
+  const baseBtn =
+    'border dark:border-white uppercase mix rounded-[4px] font-bold inline-block px-2 py-[3px] text-[10px] bg-white dark:bg-secondry hover:bg-blue-50 dark:hover:bg-blue-900 transition-colors'
+
+  const sheet = (
+    <div
+      aria-hidden={!open}
+      className={`fixed inset-0 z-40 ${open ? 'pointer-events-auto' : 'pointer-events-none'}`}
+    >
+      <div
+        className={`absolute inset-0 bg-black/30 backdrop-blur-sm transition-opacity ${open ? 'opacity-100' : 'opacity-0'}`}
+        onClick={close}
+      />
+      <div
+        ref={sheetRef}
+        role='dialog'
+        aria-modal='true'
+        aria-label={open === 'practicar' ? 'Prácticar' : 'Evaluar'}
+        className={`absolute bottom-0 left-0 right-0 mx-auto max-w-3xl rounded-t-xl border border-blue-200 dark:border-blue-800 bg-white dark:bg-secondry shadow-xl p-6 transition-transform duration-300 ${open ? 'translate-y-0' : 'translate-y-full'}`}
+      >
+        <div className='flex items-start justify-between pb-4'>
+          <h2 className='text-base font-bold text-blue-900 dark:text-blue-100'>
+            {open === 'practicar' ? 'Prácticar' : 'Evaluar'}
+          </h2>
+          <button
+            onClick={close}
+            className='text-xs font-semibold px-2 py-1 rounded hover:bg-blue-100 dark:hover:bg-blue-900'
+          >
+            Cerrar
+          </button>
+        </div>
+        <div className='prose dark:prose-invert max-w-none text-sm md:text-base'>
+          {open === 'practicar' && (
+            <div className='space-y-4'>
+              <p>
+                Próximamente: área de práctica con mini retos o tarjetas
+                (flashcards).
+              </p>
+              <p className='text-xs opacity-60'>
+                Indica qué dinámica quieres y la añado.
+              </p>
+            </div>
+          )}
+          {open === 'evaluar' && (
+            <div className='mt-2'>
+              <Quiz slug={postId} />
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+
+  return (
+    <div className='pt-4 flex gap-2 justify-center'>
+      {/* <button onClick={() => openSheet('practicar')} className={baseBtn}>
+        prácticar
+      </button> */}
+      <button onClick={() => openSheet('evaluar')} className={baseBtn}>
+        evaluar
+      </button>
+      {mounted && createPortal(sheet, document.body)}
+    </div>
+  )
+}