diff --git a/src/App.tsx b/src/App.tsx
index 62f66d0..f580bcd 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import type { Note } from './types'
+import type { NotePatch } from './types/note'
 import { useNotes } from './hooks/useNotes'
 import NoteList from './components/NoteList'
 import NoteEditor from './components/NoteEditor'
@@ -21,7 +21,7 @@ function App() {
     setCreating(false)
   }
 
-  const handleUpdate = (id: number, patch: Partial<Pick<Note, 'title' | 'content'>>) => {
+  const handleUpdate = (id: number, patch: NotePatch) => {
     updateNote(id, patch)
     setSelectedId(null)
   }
diff --git a/src/components/DeleteModal.tsx b/src/components/DeleteModal.tsx
index 96d7bc2..abcd126 100644
--- a/src/components/DeleteModal.tsx
+++ b/src/components/DeleteModal.tsx
@@ -1,9 +1,4 @@
-interface DeleteModalProps {
-  open: boolean
-  title: string
-  onConfirm: () => void
-  onCancel: () => void
-}
+import type { DeleteModalProps } from '../interfaces/delete-modal'
 
 function DeleteModal({ open, title, onConfirm, onCancel }: DeleteModalProps) {
   if (!open) return null
diff --git a/src/components/FloatingButton.tsx b/src/components/FloatingButton.tsx
index 2ee5002..fc7d9ec 100644
--- a/src/components/FloatingButton.tsx
+++ b/src/components/FloatingButton.tsx
@@ -1,7 +1,4 @@
-interface FloatingButtonProps {
-  onClick: () => void
-  label?: string
-}
+import type { FloatingButtonProps } from '../interfaces/floating-button'
 
 function FloatingButton({ onClick, label = 'Créer une note' }: FloatingButtonProps) {
   return (
diff --git a/src/components/NoteEditor.test.tsx b/src/components/NoteEditor.test.tsx
index 798e97d..bd2e31b 100644
--- a/src/components/NoteEditor.test.tsx
+++ b/src/components/NoteEditor.test.tsx
@@ -1,7 +1,7 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 import NoteEditor from './NoteEditor'
-import type { Note } from '../types'
+import type { Note } from '../types/note'
 
 const note: Note = { id: 42, title: 'Courses', content: 'Lait\nOeufs' }
 
diff --git a/src/components/NoteEditor.tsx b/src/components/NoteEditor.tsx
index a8d035b..e4e7db7 100644
--- a/src/components/NoteEditor.tsx
+++ b/src/components/NoteEditor.tsx
@@ -1,33 +1,10 @@
 import { useState } from 'react'
-import type { Note } from '../types'
+import type {
+  NoteEditorProps,
+  NoteFormProps,
+} from '../interfaces/note-editor'
 import DeleteModal from './DeleteModal'
 
-interface EditEditorProps {
-  mode: 'edit'
-  note: Note
-  onUpdate: (id: number, patch: Partial<Pick<Note, 'title' | 'content'>>) => void
-  onDelete: (id: number) => void
-}
-
-interface CreateEditorProps {
-  mode: 'create'
-  onCreate: (title: string, content: string) => void
-  onCancelCreate: () => void
-}
-
-type NoteEditorProps = EditEditorProps | CreateEditorProps
-
-interface NoteFormProps {
-  title: string
-  content: string
-  titleMissing: boolean
-  cancelLabel: string
-  onTitleChange: (value: string) => void
-  onContentChange: (value: string) => void
-  onCancel: () => void
-  onSubmit: () => void
-}
-
 const TITLE_REQUIRED_MESSAGE = 'Le titre est obligatoire.'
 
 function NoteForm({
diff --git a/src/components/NoteList.test.tsx b/src/components/NoteList.test.tsx
index 00894b4..eecbfc5 100644
--- a/src/components/NoteList.test.tsx
+++ b/src/components/NoteList.test.tsx
@@ -1,7 +1,7 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 import NoteList from './NoteList'
-import type { Note } from '../types'
+import type { Note } from '../types/note'
 
 const notes: Note[] = [
   { id: 3, title: 'Courses', content: 'Lait' },
diff --git a/src/components/NoteList.tsx b/src/components/NoteList.tsx
index 86c57c0..d5ee2b3 100644
--- a/src/components/NoteList.tsx
+++ b/src/components/NoteList.tsx
@@ -1,9 +1,4 @@
-import type { Note } from '../types'
-
-interface NoteListProps {
-  notes: Note[]
-  onSelect: (id: number) => void
-}
+import type { NoteListProps } from '../interfaces/note-list'
 
 const EMPTY_MESSAGE = 'Aucune note pour le moment.\nTouchez + pour en créer une.'
 
diff --git a/src/hooks/useNotes.test.ts b/src/hooks/useNotes.test.ts
index cb76d55..99caac2 100644
--- a/src/hooks/useNotes.test.ts
+++ b/src/hooks/useNotes.test.ts
@@ -2,7 +2,7 @@ import { act, renderHook } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { useNotes } from './useNotes'
 import { loadNotes } from '../lib/notesStorage'
-import type { Note } from '../types'
+import type { Note } from '../types/note'
 
 describe('useNotes', () => {
   beforeEach(() => {
diff --git a/src/hooks/useNotes.ts b/src/hooks/useNotes.ts
index a327491..5dfbb53 100644
--- a/src/hooks/useNotes.ts
+++ b/src/hooks/useNotes.ts
@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useMemo, useState } from 'react'
-import type { Note } from '../types'
+import type { Note, NotePatch } from '../types/note'
 import { loadNotes, saveNotes } from '../lib/notesStorage'
 
 export function useNotes() {
@@ -15,7 +15,7 @@ export function useNotes() {
     return note
   }, [])
 
-  const updateNote = useCallback((id: number, patch: Partial<Pick<Note, 'title' | 'content'>>) => {
+  const updateNote = useCallback((id: number, patch: NotePatch) => {
     setNotes((current) => current.map((note) => (note.id === id ? { ...note, ...patch } : note)))
   }, [])
 
diff --git a/src/lib/notesStorage.test.ts b/src/lib/notesStorage.test.ts
index 037fa7f..d770b03 100644
--- a/src/lib/notesStorage.test.ts
+++ b/src/lib/notesStorage.test.ts
@@ -1,6 +1,6 @@
 import { beforeEach, describe, expect, it } from 'vitest'
 import { loadNotes, saveNotes } from './notesStorage'
-import type { Note } from '../types'
+import type { Note } from '../types/note'
 
 const STORAGE_KEY = 'notes'
 
diff --git a/src/lib/notesStorage.ts b/src/lib/notesStorage.ts
index 214c477..d09d29d 100644
--- a/src/lib/notesStorage.ts
+++ b/src/lib/notesStorage.ts
@@ -1,4 +1,4 @@
-import type { Note } from '../types'
+import type { Note } from '../types/note'
 
 const STORAGE_KEY = 'notes'
 
diff --git a/src/types.ts b/src/types.ts
deleted file mode 100644
index ffb7c55..0000000
--- a/src/types.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export interface Note {
-  id: number
-  title: string
-  content: string
-}