diff --git a/src/features/simulations/components/SimulationForm.tsx b/src/features/simulations/components/SimulationForm.tsx
index 2612a8e..60f7fe1 100644
--- a/src/features/simulations/components/SimulationForm.tsx
+++ b/src/features/simulations/components/SimulationForm.tsx
@@ -6,7 +6,7 @@
  * Règle H : aucune logique métier — le composant reçoit tache, handlers et états par props.
  */
 
-import { useState, type FormEvent } from 'react'
+import { useEffect, useRef, useState, type FormEvent } from 'react'
 import { Loader2 } from 'lucide-react'
 import { z } from 'zod'
 import { Button } from '@/shared/components/ui/button'
@@ -14,6 +14,7 @@ import { formatTache } from '@/entities/production/lib'
 import type { SujetData, Tache } from '@/entities/production/types'
 import type { ApiError } from '@/shared/types/api'
 import { SujetDisplay } from './SujetDisplay'
+import { SpecialCharsKeyboard } from './SpecialCharsKeyboard'
 
 const textSchema = z.object({
   texte: z
@@ -47,9 +48,34 @@ interface Props {
 }
 
 export function SimulationForm({ tache, sujet, isSubmitting, error, onSubmit, onBack }: Props) {
+  const textareaRef = useRef<HTMLTextAreaElement>(null)
   const [texte, setTexte] = useState('')
   const [fieldError, setFieldError] = useState<string | null>(null)
 
+  useEffect(() => {
+    const el = textareaRef.current
+    if (!el) return
+    el.style.height = 'auto'
+    el.style.height = `${el.scrollHeight}px`
+  }, [texte])
+
+  function handleInsert(char: string) {
+    const el = textareaRef.current
+    if (!el) {
+      setTexte((prev) => prev + char)
+      return
+    }
+    const start = el.selectionStart ?? texte.length
+    const end = el.selectionEnd ?? texte.length
+    const next = texte.slice(0, start) + char + texte.slice(end)
+    setTexte(next)
+    const caret = start + char.length
+    requestAnimationFrame(() => {
+      el.focus()
+      el.setSelectionRange(caret, caret)
+    })
+  }
+
   function handleSubmit(e: FormEvent<HTMLFormElement>) {
     e.preventDefault()
     setFieldError(null)
@@ -96,16 +122,20 @@ export function SimulationForm({ tache, sujet, isSubmitting, error, onSubmit, on
           <label htmlFor="texte" className="text-sm font-medium text-ink-2">
             Votre production
           </label>
+          <div className="sticky top-0 z-10 bg-canvas pb-1">
+            <SpecialCharsKeyboard onInsert={handleInsert} disabled={isSubmitting} />
+          </div>
           <textarea
+            ref={textareaRef}
             id="texte"
-            rows={12}
+            rows={8}
             value={texte}
             onChange={(e) => setTexte(e.target.value)}
             disabled={isSubmitting}
             placeholder="Rédigez votre texte ici…"
             aria-invalid={!!fieldError}
             aria-describedby={fieldError ? 'texte-error' : undefined}
-            className="w-full resize-none rounded-md border border-line bg-surface p-3 text-sm text-ink-1 placeholder:text-ink-5 focus:border-expria focus:outline-none focus:ring-2 focus:ring-expria/20 disabled:cursor-not-allowed disabled:opacity-50"
+            className="w-full resize-none overflow-y-hidden rounded-md border border-line bg-surface p-3 text-sm text-ink-1 placeholder:text-ink-5 focus:border-expria focus:outline-none focus:ring-2 focus:ring-expria/20 disabled:cursor-not-allowed disabled:opacity-50"
           />
           <div className="flex items-start justify-between gap-2">
             {fieldError ? (
diff --git a/src/features/simulations/components/SpecialCharsKeyboard.tsx b/src/features/simulations/components/SpecialCharsKeyboard.tsx
index adf3aa0..df88aad 100644
--- a/src/features/simulations/components/SpecialCharsKeyboard.tsx
+++ b/src/features/simulations/components/SpecialCharsKeyboard.tsx
@@ -27,7 +27,7 @@ export function SpecialCharsKeyboard({ onInsert, disabled = false }: Props) {
     <div
       role="toolbar"
       aria-label="Caractères spéciaux"
-      className="flex gap-1.5 overflow-x-auto rounded-md border border-line bg-canvas-2 p-2"
+      className="flex flex-wrap gap-1.5 rounded-md border border-line bg-canvas-2 p-2"
     >
       {SPECIAL_CHARS.map((char) => (
         <button
@@ -37,7 +37,7 @@ export function SpecialCharsKeyboard({ onInsert, disabled = false }: Props) {
           onMouseDown={(e) => e.preventDefault()}
           onClick={() => onInsert(char)}
           aria-label={`Insérer le caractère ${char}`}
-          className="size-10 shrink-0 rounded-md border border-line bg-surface text-sm font-medium text-ink-1 transition-colors hover:border-expria hover:bg-expria-50 hover:text-expria focus:border-expria focus:outline-none focus:ring-2 focus:ring-expria/20 disabled:cursor-not-allowed disabled:opacity-50"
+          className="size-8 shrink-0 rounded-md border border-line bg-surface text-sm font-medium text-ink-1 transition-colors hover:border-expria hover:bg-expria-50 hover:text-expria focus:border-expria focus:outline-none focus:ring-2 focus:ring-expria/20 disabled:cursor-not-allowed disabled:opacity-50"
         >
           {char}
         </button>