diff --git a/backend/src/routes/enfants/dto/create_enfants.dto.ts b/backend/src/routes/enfants/dto/create_enfants.dto.ts
index 7d69067..0d66d46 100644
--- a/backend/src/routes/enfants/dto/create_enfants.dto.ts
+++ b/backend/src/routes/enfants/dto/create_enfants.dto.ts
@@ -1,4 +1,5 @@
-import { ApiProperty } from '@nestjs/swagger';
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
 import {
     IsBoolean,
     IsDateString,
@@ -6,11 +7,23 @@ import {
     IsNotEmpty,
     IsOptional,
     IsString,
+    IsUUID,
     MaxLength,
     ValidateIf,
 } from 'class-validator';
 import { GenreType, StatutEnfantType } from 'src/entities/children.entity';
 
+/** Multipart envoie des strings ("true"/"false") — JSON envoie déjà des booleans. */
+function toBoolean({ value }: { value: unknown }): boolean | unknown {
+    if (typeof value === 'boolean') return value;
+    if (typeof value === 'string') {
+        const v = value.trim().toLowerCase();
+        if (v === 'true' || v === '1') return true;
+        if (v === 'false' || v === '0' || v === '') return false;
+    }
+    return value;
+}
+
 export class CreateEnfantsDto {
     @ApiProperty({ enum: StatutEnfantType, example: StatutEnfantType.SANS_GARDE })
     @IsEnum(StatutEnfantType)
@@ -52,6 +65,7 @@ export class CreateEnfantsDto {
     photo_url?: string;
 
     @ApiProperty({ default: false })
+    @Transform(toBoolean)
     @IsBoolean()
     consent_photo: boolean;
 
@@ -61,6 +75,20 @@ export class CreateEnfantsDto {
     consent_photo_at?: string;
 
     @ApiProperty({ default: false })
+    @Transform(toBoolean)
     @IsBoolean()
     is_multiple: boolean;
+
+    /**
+     * Parent pivot du foyer — obligatoire pour staff (gestionnaire/admin).
+     * Ignoré / interdit en externe pour un PARENT (ticket #132).
+     */
+    @ApiPropertyOptional({
+        description:
+            'UUID du parent pivot (staff only). Obligatoire pour GESTIONNAIRE / ADMIN / SUPER_ADMIN.',
+        format: 'uuid',
+    })
+    @IsOptional()
+    @IsUUID('4')
+    parent_user_id?: string;
 }
diff --git a/backend/src/routes/enfants/enfants.controller.ts b/backend/src/routes/enfants/enfants.controller.ts
index 2579a45..492c885 100644
--- a/backend/src/routes/enfants/enfants.controller.ts
+++ b/backend/src/routes/enfants/enfants.controller.ts
@@ -1,20 +1,33 @@
 import {
   Body,
+  CallHandler,
   Controller,
   Delete,
+  ExecutionContext,
   Get,
+  HttpCode,
+  HttpStatus,
+  Injectable,
+  NestInterceptor,
   Param,
   ParseUUIDPipe,
   Patch,
   Post,
+  UploadedFile,
   UseGuards,
   UseInterceptors,
-  UploadedFile,
 } from '@nestjs/common';
 import { FileInterceptor } from '@nestjs/platform-express';
-import { ApiBearerAuth, ApiTags, ApiConsumes } from '@nestjs/swagger';
+import {
+  ApiBearerAuth,
+  ApiBody,
+  ApiConsumes,
+  ApiOperation,
+  ApiTags,
+} from '@nestjs/swagger';
 import { diskStorage } from 'multer';
 import { extname } from 'path';
+import { Observable } from 'rxjs';
 import { EnfantsService } from './enfants.service';
 import { CreateEnfantsDto } from './dto/create_enfants.dto';
 import { UpdateEnfantsDto } from './dto/update_enfants.dto';
@@ -24,6 +37,47 @@ import { AuthGuard } from 'src/common/guards/auth.guard';
 import { Roles } from 'src/common/decorators/roles.decorator';
 import { RolesGuard } from 'src/common/guards/roles.guard';
 
+const photoMulterOptions = {
+  storage: diskStorage({
+    destination: './uploads/photos',
+    filename: (req, file, cb) => {
+      const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1e9);
+      const ext = extname(file.originalname);
+      cb(null, `enfant-${uniqueSuffix}${ext}`);
+    },
+  }),
+  fileFilter: (req, file, cb) => {
+    if (!file.mimetype.match(/\/(jpg|jpeg|png|gif)$/)) {
+      return cb(new Error('Seules les images sont autorisées'), false);
+    }
+    cb(null, true);
+  },
+  limits: {
+    fileSize: 5 * 1024 * 1024,
+  },
+};
+
+/**
+ * Multer uniquement si Content-Type multipart (parent ou staff + photo).
+ * JSON sans photo (#132) passe sans interceptor fichier.
+ */
+@Injectable()
+class OptionalEnfantPhotoInterceptor implements NestInterceptor {
+  private readonly multipart = new (FileInterceptor(
+    'photo',
+    photoMulterOptions,
+  ))();
+
+  intercept(context: ExecutionContext, next: CallHandler): Observable<unknown> | Promise<Observable<unknown>> {
+    const req = context.switchToHttp().getRequest();
+    const ct = String(req.headers['content-type'] ?? '');
+    if (!ct.includes('multipart/form-data')) {
+      return next.handle();
+    }
+    return this.multipart.intercept(context, next);
+  }
+}
+
 @ApiBearerAuth('access-token')
 @ApiTags('Enfants')
 @UseGuards(AuthGuard, RolesGuard)
@@ -31,30 +85,27 @@ import { RolesGuard } from 'src/common/guards/roles.guard';
 export class EnfantsController {
   constructor(private readonly enfantsService: EnfantsService) { }
 
-  @Roles(RoleType.PARENT)
-  @Post()
-  @ApiConsumes('multipart/form-data')
-  @UseInterceptors(
-    FileInterceptor('photo', {
-      storage: diskStorage({
-        destination: './uploads/photos',
-        filename: (req, file, cb) => {
-          const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1e9);
-          const ext = extname(file.originalname);
-          cb(null, `enfant-${uniqueSuffix}${ext}`);
-        },
-      }),
-      fileFilter: (req, file, cb) => {
-        if (!file.mimetype.match(/\/(jpg|jpeg|png|gif)$/)) {
-          return cb(new Error('Seules les images sont autorisées'), false);
-        }
-        cb(null, true);
-      },
-      limits: {
-        fileSize: 5 * 1024 * 1024,
-      },
-    }),
+  @Roles(
+    RoleType.PARENT,
+    RoleType.GESTIONNAIRE,
+    RoleType.ADMINISTRATEUR,
+    RoleType.SUPER_ADMIN,
   )
+  @Post()
+  @HttpCode(HttpStatus.CREATED)
+  @ApiOperation({
+    summary: 'Créer un enfant',
+    description:
+      'PARENT : multipart éventuel, rattache au compte connecté. ' +
+      'Staff : parent_user_id obligatoire ; JSON sans photo OK ; avec photo → multipart (champ fichier `photo`, max 5 Mo). Ticket #132.',
+  })
+  @ApiConsumes('application/json', 'multipart/form-data')
+  @ApiBody({
+    description:
+      'Champs métier (+ parent_user_id côté staff). Fichier optionnel `photo` en multipart.',
+    type: CreateEnfantsDto,
+  })
+  @UseInterceptors(OptionalEnfantPhotoInterceptor)
   create(
     @Body() dto: CreateEnfantsDto,
     @UploadedFile() photo: Express.Multer.File,
diff --git a/backend/src/routes/enfants/enfants.service.ts b/backend/src/routes/enfants/enfants.service.ts
index 7f4552c..bd77d68 100644
--- a/backend/src/routes/enfants/enfants.service.ts
+++ b/backend/src/routes/enfants/enfants.service.ts
@@ -13,6 +13,12 @@ import { ParentsChildren } from 'src/entities/parents_children.entity';
 import { RoleType, Users } from 'src/entities/users.entity';
 import { CreateEnfantsDto } from './dto/create_enfants.dto';
 
+const STAFF_ROLES: RoleType[] = [
+  RoleType.GESTIONNAIRE,
+  RoleType.ADMINISTRATEUR,
+  RoleType.SUPER_ADMIN,
+];
+
 @Injectable()
 export class EnfantsService {
   constructor(
@@ -24,20 +30,35 @@ export class EnfantsService {
     private readonly parentsChildrenRepository: Repository<ParentsChildren>,
   ) { }
 
-  // Création d'un enfant
-  async create(dto: CreateEnfantsDto, currentUser: Users, photoFile?: Express.Multer.File): Promise<Children> {
+  private isStaff(user: Users): boolean {
+    return STAFF_ROLES.includes(user.role);
+  }
+
+  /**
+   * Création d'un enfant.
+   * - PARENT : rattache au parent connecté (multipart photo optionnel).
+   * - Staff : `parent_user_id` obligatoire ; JSON sans photo OK ;
+   *   avec photo → multipart (même stockage `/uploads/photos/...`). Ticket #132.
+   */
+  async create(
+    dto: CreateEnfantsDto,
+    currentUser: Users,
+    photoFile?: Express.Multer.File,
+  ): Promise<Children> {
+    const pivotUserId = this.resolvePivotParentUserId(dto, currentUser);
+
     const parent = await this.parentsRepository.findOne({
-      where: { user_id: currentUser.id },
+      where: { user_id: pivotUserId },
       relations: ['co_parent'],
     });
     if (!parent) throw new NotFoundException('Parent introuvable');
 
-    // Vérif métier simple
+    // Vérif métier simple (aligné comportement historique parent)
     if (dto.status !== StatutEnfantType.A_NAITRE && !dto.birth_date) {
       throw new BadRequestException('Un enfant né doit avoir une date de naissance');
     }
 
-    // Vérif doublon éventuel (ex: même prénom + date de naissance pour ce parent)
+    // Vérif doublon éventuel (ex: même prénom + date de naissance)
     const exist = await this.childrenRepository.findOne({
       where: {
         first_name: dto.first_name,
@@ -47,37 +68,84 @@ export class EnfantsService {
     });
     if (exist) throw new ConflictException('Cet enfant existe déjà');
 
-    // Gestion de la photo uploadée
+    // Gestion de la photo uploadée (multipart parent ou staff)
+    let photoUrl = dto.photo_url;
+    let consentAt: Date | undefined;
     if (photoFile) {
-      dto.photo_url = `/uploads/photos/${photoFile.filename}`;
+      photoUrl = `/uploads/photos/${photoFile.filename}`;
       if (dto.consent_photo) {
-        dto.consent_photo_at = new Date().toISOString();
+        consentAt = new Date();
       }
+    } else if (dto.consent_photo) {
+      consentAt = dto.consent_photo_at
+        ? new Date(dto.consent_photo_at)
+        : new Date();
     }
 
-    // Création
-    const child = this.childrenRepository.create(dto);
+    const child = this.childrenRepository.create({
+      status: dto.status,
+      first_name: dto.first_name,
+      last_name: dto.last_name,
+      gender: dto.gender,
+      birth_date: dto.birth_date ? new Date(dto.birth_date) : undefined,
+      due_date: dto.due_date ? new Date(dto.due_date) : undefined,
+      photo_url: photoUrl,
+      consent_photo: !!dto.consent_photo,
+      consent_photo_at: consentAt,
+      is_multiple: !!dto.is_multiple,
+    });
     await this.childrenRepository.save(child);
 
-    // Lien parent-enfant (Parent 1)
-    const parentLink = this.parentsChildrenRepository.create({
-      parentId: parent.user_id,
-      enfantId: child.id,
-    });
-    await this.parentsChildrenRepository.save(parentLink);
+    // Lien parent-enfant (pivot)
+    await this.parentsChildrenRepository.save(
+      this.parentsChildrenRepository.create({
+        parentId: parent.user_id,
+        enfantId: child.id,
+      }),
+    );
 
     // Rattachement automatique au co-parent s'il existe
     if (parent.co_parent) {
-      const coParentLink = this.parentsChildrenRepository.create({
-        parentId: parent.co_parent.id,
-        enfantId: child.id,
-      });
-      await this.parentsChildrenRepository.save(coParentLink);
+      await this.parentsChildrenRepository.save(
+        this.parentsChildrenRepository.create({
+          parentId: parent.co_parent.id,
+          enfantId: child.id,
+        }),
+      );
     }
 
     return this.findOne(child.id, currentUser);
   }
 
+  private resolvePivotParentUserId(
+    dto: CreateEnfantsDto,
+    currentUser: Users,
+  ): string {
+    if (this.isStaff(currentUser)) {
+      const id = dto.parent_user_id?.trim();
+      if (!id) {
+        throw new BadRequestException(
+          'parent_user_id est obligatoire pour créer un enfant (staff)',
+        );
+      }
+      return id;
+    }
+
+    if (currentUser.role === RoleType.PARENT) {
+      if (
+        dto.parent_user_id &&
+        dto.parent_user_id.trim() !== currentUser.id
+      ) {
+        throw new ForbiddenException(
+          'Un parent ne peut pas créer un enfant pour un autre compte',
+        );
+      }
+      return currentUser.id;
+    }
+
+    throw new ForbiddenException('Accès interdit');
+  }
+
   // Liste des enfants (admin/gestionnaire)
   async findAll(): Promise<Children[]> {
     return this.childrenRepository.find({
@@ -90,7 +158,7 @@ export class EnfantsService {
   async findOne(id: string, currentUser: Users): Promise<Children> {
     const child = await this.childrenRepository.findOne({
       where: { id },
-      relations: ['parentLinks'],
+      relations: ['parentLinks', 'parentLinks.parent', 'parentLinks.parent.user'],
     });
     if (!child) throw new NotFoundException('Enfant introuvable');
 
@@ -120,7 +188,8 @@ export class EnfantsService {
     const child = await this.childrenRepository.findOne({ where: { id } });
     if (!child) throw new NotFoundException('Enfant introuvable');
 
-    const patch: Partial<Children> = { ...dto } as Partial<Children>;
+    const { parent_user_id: _ignored, ...rest } = dto;
+    const patch: Partial<Children> = { ...rest } as Partial<Children>;
     if (dto.consent_photo !== undefined) {
       patch.consent_photo = dto.consent_photo;
       patch.consent_photo_at = dto.consent_photo ? new Date() : null!;
diff --git a/frontend/lib/services/user_service.dart b/frontend/lib/services/user_service.dart
index b13d50b..86f5cad 100644
--- a/frontend/lib/services/user_service.dart
+++ b/frontend/lib/services/user_service.dart
@@ -1,5 +1,6 @@
 import 'dart:convert';
 import 'package:http/http.dart' as http;
+import 'package:http_parser/http_parser.dart';
 import 'package:p_tits_pas/models/user.dart';
 import 'package:p_tits_pas/models/enfant_admin_model.dart';
 import 'package:p_tits_pas/models/parent_model.dart';
@@ -57,6 +58,33 @@ class UserService {
     return v.toString();
   }
 
+  /// MIME pour upload photo enfant (filtre Nest : jpg/jpeg/png/gif).
+  static MediaType _imageMediaType(String filename, List<int> bytes) {
+    if (bytes.length >= 3 &&
+        bytes[0] == 0xFF &&
+        bytes[1] == 0xD8 &&
+        bytes[2] == 0xFF) {
+      return MediaType('image', 'jpeg');
+    }
+    if (bytes.length >= 8 &&
+        bytes[0] == 0x89 &&
+        bytes[1] == 0x50 &&
+        bytes[2] == 0x4E &&
+        bytes[3] == 0x47) {
+      return MediaType('image', 'png');
+    }
+    if (bytes.length >= 6 &&
+        bytes[0] == 0x47 &&
+        bytes[1] == 0x49 &&
+        bytes[2] == 0x46) {
+      return MediaType('image', 'gif');
+    }
+    final lower = filename.toLowerCase();
+    if (lower.endsWith('.png')) return MediaType('image', 'png');
+    if (lower.endsWith('.gif')) return MediaType('image', 'gif');
+    return MediaType('image', 'jpeg');
+  }
+
   static String _errMessage(dynamic err) {
     if (err == null) return 'Erreur inconnue';
     if (err is String) return err;
@@ -515,6 +543,68 @@ class UserService {
     return enrichEnfantParentNames(enfant);
   }
 
+  /// Création enfant côté staff (#132) — nécessite `POST /enfants` étendu (voir mini-spec).
+  /// [parentUserId] : parent pivot du foyer (`parent_user_id`).
+  /// Avec [photoBytes] : `multipart/form-data` (champ fichier `photo`), sinon JSON.
+  static Future<EnfantAdminModel> createEnfant({
+    required String parentUserId,
+    required Map<String, dynamic> body,
+    List<int>? photoBytes,
+    String? photoFilename,
+  }) async {
+    final hasPhoto = photoBytes != null && photoBytes.isNotEmpty;
+    final http.Response response;
+    if (hasPhoto) {
+      final token = await TokenService.getToken();
+      final req = http.MultipartRequest(
+        'POST',
+        Uri.parse('${ApiConfig.baseUrl}${ApiConfig.enfants}'),
+      );
+      req.headers['Accept'] = 'application/json';
+      if (token != null) {
+        req.headers['Authorization'] = 'Bearer $token';
+      }
+      body.forEach((key, value) {
+        if (value == null) return;
+        req.fields[key] = value is bool
+            ? (value ? 'true' : 'false')
+            : value.toString();
+      });
+      req.fields['parent_user_id'] = parentUserId;
+      final name = (photoFilename ?? '').trim();
+      final filename = name.isNotEmpty ? name : 'photo.jpg';
+      req.files.add(
+        http.MultipartFile.fromBytes(
+          'photo',
+          photoBytes,
+          filename: filename,
+          contentType: _imageMediaType(filename, photoBytes),
+        ),
+      );
+      final streamed = await req.send();
+      response = await http.Response.fromStream(streamed);
+    } else {
+      final payload = <String, dynamic>{
+        ...body,
+        'parent_user_id': parentUserId,
+      };
+      response = await http.post(
+        Uri.parse('${ApiConfig.baseUrl}${ApiConfig.enfants}'),
+        headers: await _headers(),
+        body: jsonEncode(payload),
+      );
+    }
+    if (response.statusCode != 200 && response.statusCode != 201) {
+      throw Exception(
+        _extractErrorMessage(response.body, 'Erreur création enfant'),
+      );
+    }
+    final enfant = EnfantAdminModel.fromJson(
+      jsonDecode(response.body) as Map<String, dynamic>,
+    );
+    return enrichEnfantParentNames(enfant);
+  }
+
   static Future<void> deleteEnfant(String enfantId) async {
     final response = await http.delete(
       Uri.parse('${ApiConfig.baseUrl}${ApiConfig.enfants}/$enfantId'),
diff --git a/frontend/lib/utils/date_display_utils.dart b/frontend/lib/utils/date_display_utils.dart
index 61ecb5e..3b7c5bd 100644
--- a/frontend/lib/utils/date_display_utils.dart
+++ b/frontend/lib/utils/date_display_utils.dart
@@ -1,3 +1,4 @@
+import 'package:flutter/services.dart';
 import 'package:intl/intl.dart';
 import 'package:p_tits_pas/utils/enfant_status_utils.dart';
 
@@ -11,10 +12,50 @@ String formatIsoDateFr(String? s, {String ifEmpty = '–'}) {
   }
 }
 
-/// Convertit `dd/MM/yyyy` (ou ISO) en `yyyy-MM-dd` pour l'API.
+/// Affiche une date ISO en saisie guidée `jj / mm / aaaa`.
+String formatIsoDateFrInput(String? s, {String ifEmpty = ''}) {
+  if (s == null || s.trim().isEmpty) return ifEmpty;
+  try {
+    final dt = DateTime.parse(s.trim());
+    return formatFrenchDateDigits(
+      DateFormat('ddMMyyyy').format(dt),
+    );
+  } catch (_) {
+    return formatFrenchDateDigits(s.replaceAll(RegExp(r'\D'), ''));
+  }
+}
+
+/// Formate jusqu’à 8 chiffres en `jj / mm / aaaa`.
+String formatFrenchDateDigits(String digits) {
+  final d = digits.replaceAll(RegExp(r'\D'), '');
+  final limited = d.length > 8 ? d.substring(0, 8) : d;
+  final buf = StringBuffer();
+  for (var i = 0; i < limited.length; i++) {
+    if (i == 2 || i == 4) buf.write(' / ');
+    buf.write(limited[i]);
+  }
+  return buf.toString();
+}
+
+/// Convertit `dd/MM/yyyy`, `dd / MM / yyyy`, 8 chiffres ou ISO en `yyyy-MM-dd`.
 String? parseFrDateToIso(String text) {
   final t = text.trim();
   if (t.isEmpty) return null;
+
+  final digits = t.replaceAll(RegExp(r'\D'), '');
+  if (digits.length == 8) {
+    final dd = digits.substring(0, 2);
+    final mm = digits.substring(2, 4);
+    final yyyy = digits.substring(4, 8);
+    try {
+      return DateFormat('dd/MM/yyyy')
+          .parseStrict('$dd/$mm/$yyyy')
+          .toIso8601String()
+          .split('T')
+          .first;
+    } catch (_) {}
+  }
+
   try {
     return DateFormat('dd/MM/yyyy')
         .parseStrict(t)
@@ -96,3 +137,43 @@ String formatChildAgeLabel({
     return 'Né le ${formatIsoDateFr(birthDate)}';
   }
 }
+
+/// Saisie date FR : 8 chiffres → `jj / mm / aaaa`.
+class FrenchDateInputFormatter extends TextInputFormatter {
+  const FrenchDateInputFormatter();
+
+  @override
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
+    final digits = newValue.text.replaceAll(RegExp(r'\D'), '');
+    final limited = digits.length > 8 ? digits.substring(0, 8) : digits;
+    final formatted = formatFrenchDateDigits(limited);
+
+    final digitsBeforeCursor = newValue.text
+        .substring(0, newValue.selection.start.clamp(0, newValue.text.length))
+        .replaceAll(RegExp(r'\D'), '')
+        .length
+        .clamp(0, limited.length);
+
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(
+        offset: _cursorOffset(formatted, digitsBeforeCursor),
+      ),
+    );
+  }
+
+  static int _cursorOffset(String formatted, int digitsBeforeCursor) {
+    if (digitsBeforeCursor <= 0) return 0;
+    var seen = 0;
+    for (var i = 0; i < formatted.length; i++) {
+      if (RegExp(r'\d').hasMatch(formatted[i])) {
+        seen++;
+        if (seen >= digitsBeforeCursor) return i + 1;
+      }
+    }
+    return formatted.length;
+  }
+}
diff --git a/frontend/lib/utils/name_format_utils.dart b/frontend/lib/utils/name_format_utils.dart
index feddec5..f09eea9 100644
--- a/frontend/lib/utils/name_format_utils.dart
+++ b/frontend/lib/utils/name_format_utils.dart
@@ -1,3 +1,5 @@
+import 'package:flutter/services.dart';
+
 /// Formatage affichage prénom / nom (capitalisation par mot et segments après `-` ou `'`).
 
 String formatPersonNameCase(String raw) {
@@ -9,6 +11,22 @@ String formatPersonNameCase(String raw) {
   return words.map(_capitalizeComposedWord).join(' ');
 }
 
+/// Variante saisie live : pas de majuscule tant que le mot n’a qu’une lettre ;
+/// dès la 2ᵉ lettre, capitalisation comme [formatPersonNameCase].
+String formatPersonNameCaseTyping(String raw) {
+  if (raw.isEmpty) return raw;
+  final trailingMatch = RegExp(r'(\s*)$').firstMatch(raw);
+  final trailing = trailingMatch?.group(1) ?? '';
+  final core = raw.substring(0, raw.length - trailing.length);
+  if (core.isEmpty) return raw;
+  final words = core.split(RegExp(r'\s+'));
+  final formatted = words.map((w) {
+    if (w.length < 2) return w;
+    return _capitalizeComposedWord(w);
+  }).join(' ');
+  return formatted + trailing;
+}
+
 String _capitalizeComposedWord(String word) {
   if (word.isEmpty) {
     return word;
@@ -30,3 +48,26 @@ String _capitalizeComposedWord(String word) {
   }
   return buffer.toString();
 }
+
+/// Formateur de saisie prénom / nom (capitalisation progressive).
+class PersonNameInputFormatter extends TextInputFormatter {
+  const PersonNameInputFormatter();
+
+  @override
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
+    final formatted = formatPersonNameCaseTyping(newValue.text);
+    if (formatted == newValue.text) return newValue;
+
+    final sel = newValue.selection;
+    final offset = sel.isValid
+        ? sel.baseOffset.clamp(0, formatted.length)
+        : formatted.length;
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(offset: offset),
+    );
+  }
+}
diff --git a/frontend/lib/widgets/admin/common/admin_am_photo_frame.dart b/frontend/lib/widgets/admin/common/admin_am_photo_frame.dart
index 17ac62e..3da8051 100644
--- a/frontend/lib/widgets/admin/common/admin_am_photo_frame.dart
+++ b/frontend/lib/widgets/admin/common/admin_am_photo_frame.dart
@@ -1,14 +1,27 @@
+import 'dart:typed_data';
+
 import 'package:flutter/material.dart';
 import 'package:p_tits_pas/services/api/api_config.dart';
 import 'package:p_tits_pas/widgets/common/auth_network_image.dart';
 
-/// Cadre photo identité AM (35×45 mm) — même logique que [ValidationAmWizard].
+/// Cadre photo identité AM / enfant (35×45 mm) — même logique que [ValidationAmWizard].
 class AdminAmPhotoFrame extends StatelessWidget {
   final String? photoUrl;
+  final Uint8List? imageBytes;
+  final VoidCallback? onTap;
+  final VoidCallback? onClear;
+  final String emptyLabel;
 
   static const double idPhotoAspectRatio = 35 / 45;
 
-  const AdminAmPhotoFrame({super.key, this.photoUrl});
+  const AdminAmPhotoFrame({
+    super.key,
+    this.photoUrl,
+    this.imageBytes,
+    this.onTap,
+    this.onClear,
+    this.emptyLabel = 'Aucune photo',
+  });
 
   /// Largeur colonne photo pour remplir [height] (cadre inclus).
   static double columnWidthForHeight(double height) {
@@ -36,9 +49,12 @@ class AdminAmPhotoFrame extends StatelessWidget {
           ph = pw / ar;
         }
 
+        final hasLocal = imageBytes != null && imageBytes!.isNotEmpty;
+        final showClear = onClear != null && hasLocal;
+
         // Cadre gris = taille photo + padding uniforme ; centré dans la colonne
         // (évite le vide blanc en bas quand le conteneur parent est plus haut).
-        return Align(
+        Widget frame = Align(
           alignment: Alignment.topCenter,
           child: Container(
             decoration: BoxDecoration(
@@ -60,22 +76,81 @@ class AdminAmPhotoFrame extends StatelessWidget {
             ),
           ),
         );
+
+        if (onTap != null) {
+          frame = MouseRegion(
+            cursor: SystemMouseCursors.click,
+            child: GestureDetector(
+              onTap: onTap,
+              behavior: HitTestBehavior.opaque,
+              child: frame,
+            ),
+          );
+        }
+
+        if (!showClear) return frame;
+
+        return Stack(
+          clipBehavior: Clip.none,
+          children: [
+            frame,
+            Positioned(
+              top: 0,
+              right: 0,
+              child: Material(
+                color: Colors.transparent,
+                child: IconButton(
+                  tooltip: 'Retirer la photo',
+                  visualDensity: VisualDensity.compact,
+                  padding: EdgeInsets.zero,
+                  constraints: const BoxConstraints(
+                    minWidth: 32,
+                    minHeight: 32,
+                  ),
+                  icon: Icon(
+                    Icons.cancel,
+                    size: 22,
+                    color: Colors.grey.shade700,
+                  ),
+                  onPressed: onClear,
+                ),
+              ),
+            ),
+          ],
+        );
       },
     );
   }
 
   Widget _photoContent(String fullUrl, double pw, double ph) {
+    if (imageBytes != null && imageBytes!.isNotEmpty) {
+      return Image.memory(
+        imageBytes!,
+        width: pw,
+        height: ph,
+        fit: BoxFit.cover,
+        alignment: Alignment.topCenter,
+      );
+    }
     if (fullUrl.isEmpty) {
       return ColoredBox(
         color: Colors.grey.shade200,
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Icon(Icons.person_off_outlined, size: 36, color: Colors.grey.shade400),
+            Icon(
+              onTap != null ? Icons.add_a_photo_outlined : Icons.person_off_outlined,
+              size: 36,
+              color: Colors.grey.shade400,
+            ),
             const SizedBox(height: 6),
-            Text(
-              'Aucune photo',
-              style: TextStyle(color: Colors.grey.shade600, fontSize: 11),
+            Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 6),
+              child: Text(
+                emptyLabel,
+                textAlign: TextAlign.center,
+                style: TextStyle(color: Colors.grey.shade600, fontSize: 11),
+              ),
             ),
           ],
         ),
@@ -108,7 +183,11 @@ class AdminAmPhotoFrame extends StatelessWidget {
       },
       errorBuilder: (_, __, ___) => ColoredBox(
         color: Colors.grey.shade200,
-        child: Icon(Icons.broken_image_outlined, size: 36, color: Colors.grey.shade400),
+        child: Icon(
+          Icons.broken_image_outlined,
+          size: 36,
+          color: Colors.grey.shade400,
+        ),
       ),
     );
   }
diff --git a/frontend/lib/widgets/admin/common/admin_child_detail_modal.dart b/frontend/lib/widgets/admin/common/admin_child_detail_modal.dart
index cae3ca8..1a8a6c7 100644
--- a/frontend/lib/widgets/admin/common/admin_child_detail_modal.dart
+++ b/frontend/lib/widgets/admin/common/admin_child_detail_modal.dart
@@ -1,4 +1,6 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:image_picker/image_picker.dart';
 import 'package:p_tits_pas/models/assistante_maternelle_model.dart';
 import 'package:p_tits_pas/models/enfant_admin_model.dart';
 import 'package:p_tits_pas/services/api/api_config.dart';
@@ -6,26 +8,37 @@ import 'package:p_tits_pas/services/auth_service.dart';
 import 'package:p_tits_pas/services/user_service.dart';
 import 'package:p_tits_pas/utils/date_display_utils.dart';
 import 'package:p_tits_pas/utils/enfant_status_utils.dart';
+import 'package:p_tits_pas/utils/name_format_utils.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_am_edit_modal.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_am_photo_frame.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_parent_edit_modal.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_select_am_modal.dart';
+import 'package:p_tits_pas/widgets/admin/common/admin_select_famille_modal.dart';
 import 'package:p_tits_pas/widgets/admin/common/validation_detail_section.dart';
 import 'package:p_tits_pas/widgets/admin/validation_modal_theme.dart';
 import 'package:p_tits_pas/widgets/common/auth_network_image.dart';
 
-/// Fiche enfant consultation / édition (ticket #138) — format paysage comme fiche AM.
+/// Fiche enfant consultation / édition (#138) ou création (#132).
 class AdminChildDetailModal extends StatefulWidget {
-  final EnfantAdminModel enfant;
+  final EnfantAdminModel? enfant;
   final VoidCallback? onSaved;
   final VoidCallback? onDeleted;
+  final bool isCreating;
 
   const AdminChildDetailModal({
     super.key,
-    required this.enfant,
+    required EnfantAdminModel this.enfant,
     this.onSaved,
     this.onDeleted,
-  });
+  }) : isCreating = false;
+
+  /// Création depuis l'onglet Enfants (#132).
+  const AdminChildDetailModal.create({
+    super.key,
+    this.onSaved,
+  })  : enfant = null,
+        onDeleted = null,
+        isCreating = true;
 
   @override
   State<AdminChildDetailModal> createState() => _AdminChildDetailModalState();
@@ -37,7 +50,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   late final TextEditingController _birthCtrl;
   late final TextEditingController _dueCtrl;
   late String _status;
-  late String _gender;
+  late String? _gender;
   late bool _consentPhoto;
   late bool _isMultiple;
   bool _dirty = false;
@@ -49,6 +62,13 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   /// AM rattachée au chargement (pour sync différé au Sauvegarder).
   String? _baselineAmUserId;
 
+  /// Famille choisie en mode création (#132).
+  AdminFamilleFoyer? _selectedFamily;
+
+  /// Photo locale (création) — upload multipart `photo`.
+  Uint8List? _photoBytes;
+  String? _photoFilename;
+
   static const double _modalWidth = 930;
   static const double _mainRowHeight = 380;
   static const double _placementHeight = 96;
@@ -74,44 +94,102 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
       _isUnborn ? 'Date prévisionnelle' : 'Date de naissance';
 
   bool get _canDelete =>
+      !widget.isCreating &&
       (_currentUserRole ?? '').toLowerCase() == 'super_admin';
 
   bool get _busy => _saving || _deleting;
 
+  /// Création : tous les champs sauf photo / consentement ; édition : au moins une modif.
+  bool get _canSubmit {
+    if (_busy) return false;
+    if (widget.isCreating) return _isCreateFormComplete;
+    return _dirty;
+  }
+
+  bool get _isCreateFormComplete {
+    if (_selectedFamily == null) return false;
+    if (formatPersonNameCase(_prenomCtrl.text).isEmpty) return false;
+    if (formatPersonNameCase(_nomCtrl.text).isEmpty) return false;
+    if (_dateToIso(_activeDateCtrl.text) == null) return false;
+    if (_gender == null || !_availableGenders.contains(_gender)) return false;
+    return true;
+  }
+
   @override
   void initState() {
     super.initState();
     final e = widget.enfant;
-    _prenomCtrl = TextEditingController(text: e.firstName ?? '');
-    _nomCtrl = TextEditingController(text: e.lastName ?? '');
+    _prenomCtrl = TextEditingController(text: e?.firstName ?? '');
+    _nomCtrl = TextEditingController(text: e?.lastName ?? '');
     _birthCtrl = TextEditingController(
-      text: formatIsoDateFr(e.birthDate, ifEmpty: ''),
+      text: formatIsoDateFrInput(e?.birthDate, ifEmpty: ''),
     );
     _dueCtrl = TextEditingController(
-      text: formatIsoDateFr(e.dueDate, ifEmpty: ''),
+      text: formatIsoDateFrInput(e?.dueDate, ifEmpty: ''),
     );
-    _status = normalizeEnfantStatus(e.status);
+    _status = normalizeEnfantStatus(e?.status);
     if (!enfantStatusValues.contains(_status)) {
       _status = 'sans_garde';
     }
-    _gender = _normalizeGender(e.gender, allowUnknown: _isUnborn);
-    _consentPhoto = e.consentPhoto;
-    _isMultiple = e.isMultiple;
-    for (final c in [_prenomCtrl, _nomCtrl, _birthCtrl, _dueCtrl]) {
-      c.addListener(_markDirty);
+    if (widget.isCreating) {
+      _gender = null;
+    } else {
+      _gender = _normalizeGender(e?.gender, allowUnknown: _isUnborn);
+    }
+    _consentPhoto = e?.consentPhoto ?? false;
+    _isMultiple = e?.isMultiple ?? false;
+    for (final c in [_prenomCtrl, _nomCtrl]) {
+      c.addListener(_onNameChanged);
+    }
+    for (final c in [_birthCtrl, _dueCtrl]) {
+      c.addListener(_onDateChanged);
     }
-    _prenomCtrl.addListener(_onNameChanged);
-    _nomCtrl.addListener(_onNameChanged);
     _loadCurrentUserRole();
-    _loadLinkedAm();
+    if (widget.isCreating) {
+      _loadingAm = false;
+      _dirty = true;
+    } else {
+      _prenomCtrl.addListener(_markDirty);
+      _nomCtrl.addListener(_markDirty);
+      _loadLinkedAm();
+    }
   }
 
   void _onNameChanged() => setState(() {});
 
+  void _onDateChanged() {
+    setState(() => _dirty = true);
+  }
+
+  /// Date prévisionnelle strictement avant aujourd’hui (statut à naître).
+  bool get _dueDateInPast {
+    if (!_isUnborn) return false;
+    final iso = _dateToIso(_dueCtrl.text);
+    if (iso == null) return false;
+    try {
+      final due = DateTime.parse(iso);
+      final now = DateTime.now();
+      final dueDay = DateTime(due.year, due.month, due.day);
+      final today = DateTime(now.year, now.month, now.day);
+      return dueDay.isBefore(today);
+    } catch (_) {
+      return false;
+    }
+  }
+
   Future<void> _loadLinkedAm() async {
+    if (widget.isCreating) {
+      setState(() => _loadingAm = false);
+      return;
+    }
+    final enfantId = widget.enfant?.id;
+    if (enfantId == null || enfantId.isEmpty) {
+      setState(() => _loadingAm = false);
+      return;
+    }
     setState(() => _loadingAm = true);
     try {
-      final am = await UserService.findAmForEnfant(widget.enfant.id);
+      final am = await UserService.findAmForEnfant(enfantId);
       if (!mounted) return;
       setState(() {
         _linkedAm = am;
@@ -156,8 +234,8 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   }
 
   void _coerceGenderForStatus() {
-    if (!_availableGenders.contains(_gender)) {
-      _gender = 'H';
+    if (_gender != null && !_availableGenders.contains(_gender)) {
+      _gender = null;
     }
   }
 
@@ -168,18 +246,25 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   String? _dateToIso(String text) => parseFrDateToIso(text);
 
   String _headerTitle() {
+    if (widget.isCreating) {
+      final fn = _prenomCtrl.text.trim();
+      final ln = _nomCtrl.text.trim();
+      if (fn.isEmpty && ln.isEmpty) return 'Nouvel enfant';
+      return '$fn $ln'.trim();
+    }
     final fn = _prenomCtrl.text.trim();
     final ln = _nomCtrl.text.trim();
     if (fn.isEmpty && ln.isEmpty) {
-      final fallback = widget.enfant.fullName.trim();
+      final fallback = widget.enfant?.fullName.trim() ?? '';
       return fallback.isNotEmpty ? fallback : 'Enfant';
     }
     return '$fn $ln'.trim();
   }
 
-  List<EnfantParentLink> get _parentLinks => widget.enfant.parentLinks
-      .where((l) => l.parentId.trim().isNotEmpty)
-      .toList();
+  List<EnfantParentLink> get _parentLinks =>
+      (widget.enfant?.parentLinks ?? const <EnfantParentLink>[])
+          .where((l) => l.parentId.trim().isNotEmpty)
+          .toList();
 
   Future<void> _openParent(EnfantParentLink link) async {
     if (_busy) return;
@@ -205,6 +290,17 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   }
 
   Widget? _parentsSubtitle() {
+    if (widget.isCreating) {
+      final family = _selectedFamily;
+      if (family == null) return null;
+      return Text(
+        family.parentNames.isNotEmpty
+            ? 'Famille : ${family.parentNames.join(', ')}'
+            : family.displayTitle,
+        style: const TextStyle(fontSize: 13, color: Colors.black54),
+      );
+    }
+
     final links = _parentLinks;
     if (links.isEmpty) return null;
 
@@ -252,15 +348,24 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
 
   Future<void> _save() async {
     if (!_dirty) return;
+
+    if (widget.isCreating) {
+      await _saveCreate();
+      return;
+    }
+
+    final enfantId = widget.enfant?.id;
+    if (enfantId == null || enfantId.isEmpty) return;
+
     setState(() => _saving = true);
     try {
       await _syncAmPlacement();
 
       await UserService.updateEnfant(
-        enfantId: widget.enfant.id,
+        enfantId: enfantId,
         body: {
-          'first_name': _prenomCtrl.text.trim(),
-          'last_name': _nomCtrl.text.trim(),
+          'first_name': formatPersonNameCase(_prenomCtrl.text),
+          'last_name': formatPersonNameCase(_nomCtrl.text),
           'status': _status,
           'gender': _gender,
           if (_isUnborn)
@@ -291,21 +396,101 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     }
   }
 
+  Future<void> _saveCreate() async {
+    final family = _selectedFamily;
+    if (family == null) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Choisissez une famille / un dossier avant d\'enregistrer'),
+        ),
+      );
+      return;
+    }
+    final prenom = formatPersonNameCase(_prenomCtrl.text);
+    final nom = formatPersonNameCase(_nomCtrl.text);
+    if (prenom.isEmpty || nom.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Prénom et nom sont obligatoires')),
+      );
+      return;
+    }
+    if (!_isUnborn && _dateToIso(_birthCtrl.text) == null) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Date de naissance invalide ou manquante')),
+      );
+      return;
+    }
+    final hasPhoto = _photoBytes != null && _photoBytes!.isNotEmpty;
+    if (hasPhoto && !_consentPhoto) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text(
+            'Activez le consentement photo pour enregistrer une photo',
+          ),
+        ),
+      );
+      return;
+    }
+
+    setState(() => _saving = true);
+    try {
+      await UserService.createEnfant(
+        parentUserId: family.pivotParentUserId,
+        photoBytes: hasPhoto ? _photoBytes : null,
+        photoFilename: _photoFilename,
+        body: {
+          'first_name': prenom,
+          'last_name': nom,
+          'status': _status,
+          'gender': _gender,
+          if (_isUnborn) ...{
+            if (_dateToIso(_dueCtrl.text) != null)
+              'due_date': _dateToIso(_dueCtrl.text),
+          } else ...{
+            if (_dateToIso(_birthCtrl.text) != null)
+              'birth_date': _dateToIso(_birthCtrl.text),
+          },
+          'consent_photo': _consentPhoto,
+          'is_multiple': _isMultiple,
+        },
+      );
+      if (!mounted) return;
+      setState(() {
+        _dirty = false;
+        _saving = false;
+      });
+      widget.onSaved?.call();
+      Navigator.of(context).pop();
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Enfant créé')),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _saving = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(e.toString().replaceFirst('Exception: ', ''))),
+      );
+    }
+  }
+
   /// Applique rattachement / détachement AM (différé jusqu'au Sauvegarder).
   Future<void> _syncAmPlacement() async {
+    final enfantId = widget.enfant?.id;
+    if (enfantId == null || enfantId.isEmpty) return;
+
     final baselineId = _baselineAmUserId;
     final currentId = _linkedAm?.user.id;
 
     if (baselineId != null && baselineId != currentId) {
       await UserService.detachEnfantFromAm(
         amUserId: baselineId,
-        enfantId: widget.enfant.id,
+        enfantId: enfantId,
       );
     }
     if (currentId != null && currentId != baselineId) {
       await UserService.attachEnfantToAm(
         amUserId: currentId,
-        enfantId: widget.enfant.id,
+        enfantId: enfantId,
       );
     }
   }
@@ -342,7 +527,9 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
 
     setState(() => _deleting = true);
     try {
-      await UserService.deleteEnfant(widget.enfant.id);
+      final id = widget.enfant?.id;
+      if (id == null || id.isEmpty) return;
+      await UserService.deleteEnfant(id);
       if (!mounted) return;
       widget.onDeleted?.call();
       widget.onSaved?.call();
@@ -376,10 +563,12 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
 
   /// Recharge AM + statut après une modale externe (ex. fiche AM).
   Future<void> _reloadPlacementFromServer() async {
+    final id = widget.enfant?.id;
+    if (id == null || id.isEmpty) return;
     try {
       final results = await Future.wait([
-        UserService.findAmForEnfant(widget.enfant.id),
-        UserService.getEnfant(widget.enfant.id),
+        UserService.findAmForEnfant(id),
+        UserService.getEnfant(id),
       ]);
       if (!mounted) return;
       final am = results[0] as AssistanteMaternelleModel?;
@@ -476,70 +665,145 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     });
   }
 
-  InputDecoration _inputDecoration({String? hint}) {
-    return ValidationFieldDecoration.input(hint: hint).copyWith(
+  /// Conserve la date saisie en basculant naissance ↔ prévisionnelle.
+  void _preserveDateOnStatusChange(String from, String to) {
+    final becomingUnborn = to == 'a_naitre' && from != 'a_naitre';
+    final leavingUnborn = from == 'a_naitre' && to != 'a_naitre';
+    if (becomingUnborn) {
+      if (_dueCtrl.text.trim().isEmpty &&
+          _birthCtrl.text.trim().isNotEmpty) {
+        _dueCtrl.text = _birthCtrl.text;
+      }
+    } else if (leavingUnborn) {
+      if (_birthCtrl.text.trim().isEmpty &&
+          _dueCtrl.text.trim().isNotEmpty) {
+        _birthCtrl.text = _dueCtrl.text;
+      }
+    }
+  }
+
+  InputDecoration _inputDecoration({String? hint, bool error = false}) {
+    final base = ValidationFieldDecoration.input(hint: hint).copyWith(
       isDense: false,
       contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 14),
     );
+    if (!error) return base;
+    final border = OutlineInputBorder(
+      borderRadius: BorderRadius.circular(6),
+      borderSide: BorderSide(color: Colors.red.shade400),
+    );
+    return base.copyWith(
+      fillColor: Colors.red.shade50,
+      enabledBorder: border,
+      focusedBorder: border,
+      border: border,
+    );
   }
 
   Widget _dropdownField({
     Key? key,
-    required String value,
+    required String? value,
     required List<MapEntry<String, String>> items,
     required ValueChanged<String> onChanged,
+    String? hint,
   }) {
     final safeValue =
-        items.any((e) => e.key == value) ? value : items.first.key;
+        value != null && items.any((e) => e.key == value) ? value : null;
     return SizedBox(
       height: _fieldHeight,
       child: DropdownButtonFormField<String>(
         key: key,
         value: safeValue,
+        hint: hint != null
+            ? Text(hint, style: TextStyle(color: Colors.grey.shade600))
+            : null,
         isExpanded: true,
         decoration: _inputDecoration(),
-      items: items
-          .map((e) => DropdownMenuItem(value: e.key, child: Text(e.value)))
-          .toList(),
-      onChanged: _busy ? null : (v) {
-        if (v != null) onChanged(v);
-      },
+        items: items
+            .map((e) => DropdownMenuItem(value: e.key, child: Text(e.value)))
+            .toList(),
+        onChanged: _busy
+            ? null
+            : (v) {
+                if (v != null) onChanged(v);
+              },
       ),
     );
   }
 
-  Widget _textField(TextEditingController controller, {String? hint, Key? key}) {
+  Widget _textField(
+    TextEditingController controller, {
+    String? hint,
+    Key? key,
+    TextInputType? keyboardType,
+    List<TextInputFormatter>? inputFormatters,
+    bool error = false,
+    Widget? suffixIcon,
+  }) {
     return SizedBox(
       height: _fieldHeight,
       child: TextField(
         key: key,
         controller: controller,
+        keyboardType: keyboardType,
+        inputFormatters: inputFormatters,
         textAlignVertical: TextAlignVertical.center,
-        style: const TextStyle(color: Colors.black87, fontSize: 14),
-        decoration: _inputDecoration(hint: hint),
+        style: TextStyle(
+          color: error ? Colors.red.shade800 : Colors.black87,
+          fontSize: 14,
+        ),
+        decoration: _inputDecoration(
+          hint: hint,
+          error: error,
+        ).copyWith(suffixIcon: suffixIcon),
       ),
     );
   }
 
+  Widget _dateField() {
+    final past = _dueDateInPast;
+    return _textField(
+      _activeDateCtrl,
+      hint: 'jj / mm / aaaa',
+      key: ValueKey(_status),
+      keyboardType: TextInputType.number,
+      inputFormatters: const [FrenchDateInputFormatter()],
+      error: past,
+      suffixIcon: past
+          ? Tooltip(
+              message:
+                  'Date prévisionnelle antérieure à aujourd’hui',
+              child: Icon(
+                Icons.info_outline,
+                size: 20,
+                color: Colors.red.shade700,
+              ),
+            )
+          : null,
+    );
+  }
+
   Widget _fieldsGrid() {
     return ValidationEditableSection(
       rowLayout: _fieldsRowLayout,
       fields: [
         ValidationLabeledField(
           label: 'Prénom',
-          field: _textField(_prenomCtrl),
+          field: _textField(
+            _prenomCtrl,
+            inputFormatters: const [PersonNameInputFormatter()],
+          ),
         ),
         ValidationLabeledField(
           label: 'Nom',
-          field: _textField(_nomCtrl),
+          field: _textField(
+            _nomCtrl,
+            inputFormatters: const [PersonNameInputFormatter()],
+          ),
         ),
         ValidationLabeledField(
           label: _dateFieldLabel,
-          field: _textField(
-            _activeDateCtrl,
-            hint: 'jj/mm/aaaa',
-            key: ValueKey(_status),
-          ),
+          field: _dateField(),
         ),
         ValidationLabeledField(
           label: 'Statut',
@@ -555,6 +819,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
                 .toList(),
             onChanged: (v) {
               setState(() {
+                _preserveDateOnStatusChange(_status, v);
                 _status = v;
                 _coerceGenderForStatus();
                 _dirty = true;
@@ -570,6 +835,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
           field: _dropdownField(
             key: ValueKey('genre-$_status'),
             value: _gender,
+            hint: 'Veuillez sélectionner le genre',
             items: _availableGenders
                 .map((g) => MapEntry(g, _genderLabel(g)))
                 .toList(),
@@ -603,6 +869,43 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     );
   }
 
+  Future<void> _pickPhoto() async {
+    if (_busy || !widget.isCreating) return;
+    try {
+      final picked = await ImagePicker().pickImage(
+        source: ImageSource.gallery,
+        imageQuality: 75,
+        maxWidth: 1200,
+        maxHeight: 1200,
+      );
+      if (picked == null) return;
+      final bytes = await picked.readAsBytes();
+      if (bytes.isEmpty) return;
+      final name = picked.name.trim();
+      if (!mounted) return;
+      setState(() {
+        _photoBytes = bytes;
+        _photoFilename = name.isNotEmpty ? name : 'photo.jpg';
+        _consentPhoto = true;
+        _dirty = true;
+      });
+    } catch (_) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Impossible de charger la photo')),
+      );
+    }
+  }
+
+  void _clearPhoto() {
+    if (_busy || !widget.isCreating) return;
+    setState(() {
+      _photoBytes = null;
+      _photoFilename = null;
+      _dirty = true;
+    });
+  }
+
   Widget _mainRow() {
     return LayoutBuilder(
       builder: (context, c) {
@@ -625,7 +928,20 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
                 children: [
                   Expanded(
                     child: AdminAmPhotoFrame(
-                      photoUrl: widget.enfant.photoUrl,
+                      photoUrl: widget.isCreating
+                          ? null
+                          : widget.enfant?.photoUrl,
+                      imageBytes: widget.isCreating ? _photoBytes : null,
+                      onTap: widget.isCreating && !_busy ? _pickPhoto : null,
+                      onClear: widget.isCreating &&
+                              !_busy &&
+                              _photoBytes != null &&
+                              _photoBytes!.isNotEmpty
+                          ? _clearPhoto
+                          : null,
+                      emptyLabel: widget.isCreating
+                          ? 'Cliquer pour ajouter'
+                          : 'Aucune photo',
                     ),
                   ),
                   const SizedBox(height: 8),
@@ -893,8 +1209,10 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     );
   }
 
-  String get _placementTitle =>
-      _isScolarise ? 'Scolarisation' : 'Assistante maternelle';
+  String get _placementTitle {
+    if (widget.isCreating) return 'Sélection du dossier de la famille';
+    return _isScolarise ? 'Scolarisation' : 'Assistante maternelle';
+  }
 
   Widget _placementBlock() {
     return Column(
@@ -910,11 +1228,161 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
           ),
         ),
         const SizedBox(height: 8),
-        _placementSection(),
+        if (widget.isCreating) _familyPlacementSection() else _placementSection(),
       ],
     );
   }
 
+  Future<void> _pickFamily() async {
+    if (_busy) return;
+    final selected = await AdminSelectFamilleModal.show(
+      context,
+      title: 'Choisir une famille',
+    );
+    if (selected == null || !mounted) return;
+    setState(() {
+      _selectedFamily = selected;
+      _dirty = true;
+    });
+  }
+
+  Widget _familyPlacementSection() {
+    final family = _selectedFamily;
+    if (family == null) {
+      return Material(
+        color: Colors.transparent,
+        child: InkWell(
+          onTap: _busy ? null : _pickFamily,
+          borderRadius: BorderRadius.circular(10),
+          child: Container(
+            height: _placementHeight,
+            width: double.infinity,
+            decoration: BoxDecoration(
+              color: Colors.grey.shade50,
+              borderRadius: BorderRadius.circular(10),
+              border: Border.all(color: Colors.grey.shade300),
+            ),
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+            child: Row(
+              children: [
+                Container(
+                  width: 56,
+                  height: 56,
+                  decoration: BoxDecoration(
+                    color: Colors.white,
+                    borderRadius: BorderRadius.circular(12),
+                    border: Border.all(color: Colors.grey.shade200),
+                  ),
+                  child: Icon(
+                    Icons.family_restroom,
+                    size: 30,
+                    color: Colors.grey.shade400,
+                  ),
+                ),
+                const SizedBox(width: 16),
+                Expanded(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        'Aucune famille sélectionnée',
+                        style: TextStyle(
+                          fontSize: 15,
+                          fontWeight: FontWeight.w700,
+                          color: Colors.grey.shade800,
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Text(
+                        'Cliquer pour choisir un dossier / foyer',
+                        style: TextStyle(
+                          fontSize: 13,
+                          color: Colors.grey.shade600,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+                Icon(Icons.add_circle_outline, color: Colors.grey.shade500),
+              ],
+            ),
+          ),
+        ),
+      );
+    }
+
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: _busy ? null : _pickFamily,
+        borderRadius: BorderRadius.circular(10),
+        child: Container(
+          height: _placementHeight,
+          width: double.infinity,
+          decoration: BoxDecoration(
+            color: const Color(0xFFF8F5FC),
+            borderRadius: BorderRadius.circular(10),
+            border: Border.all(color: const Color(0xFFD8CCE8)),
+          ),
+          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+          child: Row(
+            children: [
+              Container(
+                width: 56,
+                height: 56,
+                decoration: BoxDecoration(
+                  color: const Color(0xFFEDE5FA),
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: const Icon(
+                  Icons.family_restroom,
+                  size: 30,
+                  color: Color(0xFF6B3FA0),
+                ),
+              ),
+              const SizedBox(width: 16),
+              Expanded(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      family.displayTitle,
+                      style: const TextStyle(
+                        fontSize: 15,
+                        fontWeight: FontWeight.w700,
+                      ),
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                    ),
+                    if (family.parentNames.isNotEmpty) ...[
+                      const SizedBox(height: 4),
+                      Text(
+                        family.parentNames.join(', '),
+                        style: const TextStyle(
+                          fontSize: 13,
+                          color: Colors.black54,
+                        ),
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+              IconButton(
+                icon: Icon(Icons.swap_horiz, color: Colors.grey.shade700),
+                tooltip: 'Changer de famille',
+                onPressed: _busy ? null : _pickFamily,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
   Widget _placementSection() {
     if (!_showsAmPlacement) return _scolariseCard();
 
@@ -966,7 +1434,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
         const SizedBox(width: 12),
         ElevatedButton(
           style: ValidationModalTheme.primaryElevatedStyle,
-          onPressed: !_dirty || _busy ? null : _save,
+          onPressed: !_canSubmit || _busy ? null : _save,
           child: _saving
               ? const SizedBox(
                   width: 18,
@@ -976,7 +1444,11 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
                     color: Colors.white,
                   ),
                 )
-              : Text(_dirty ? 'Sauvegarder' : 'Aucune modification'),
+              : Text(
+                  widget.isCreating
+                      ? 'Créer'
+                      : (_dirty ? 'Sauvegarder' : 'Aucune modification'),
+                ),
         ),
       ],
     );
diff --git a/frontend/lib/widgets/admin/common/admin_select_famille_modal.dart b/frontend/lib/widgets/admin/common/admin_select_famille_modal.dart
new file mode 100644
index 0000000..ebfc947
--- /dev/null
+++ b/frontend/lib/widgets/admin/common/admin_select_famille_modal.dart
@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+import 'package:p_tits_pas/models/parent_model.dart';
+import 'package:p_tits_pas/services/user_service.dart';
+import 'package:p_tits_pas/widgets/admin/common/admin_select_list_modal.dart';
+import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
+
+/// Foyer / famille sélectionnable pour rattacher un nouvel enfant (#132).
+class AdminFamilleFoyer {
+  /// Parent pivot pour `POST /enfants` (`parent_user_id`).
+  final String pivotParentUserId;
+  final String? numeroDossier;
+  final String displayTitle;
+  final List<String> parentNames;
+
+  const AdminFamilleFoyer({
+    required this.pivotParentUserId,
+    required this.displayTitle,
+    required this.parentNames,
+    this.numeroDossier,
+  });
+
+  String get subtitle {
+    final parts = <String>[];
+    final dossier = (numeroDossier ?? '').trim();
+    if (dossier.isNotEmpty) parts.add('Dossier $dossier');
+    if (parentNames.isNotEmpty) {
+      parts.add('Responsables : ${parentNames.join(', ')}');
+    }
+    return parts.join('   ');
+  }
+}
+
+/// Construit la liste des foyers uniques à partir de `GET /parents`.
+List<AdminFamilleFoyer> buildFamilleFoyers(List<ParentModel> parents) {
+  final seenDossiers = <String>{};
+  final seenUserIds = <String>{};
+  final foyers = <AdminFamilleFoyer>[];
+
+  for (final p in parents) {
+    final dossier = (p.user.numeroDossier ?? '').trim();
+    if (dossier.isNotEmpty) {
+      if (seenDossiers.contains(dossier)) continue;
+      seenDossiers.add(dossier);
+    } else if (seenUserIds.contains(p.user.id)) {
+      continue;
+    }
+
+    seenUserIds.add(p.user.id);
+    final co = p.coParent;
+    if (co != null) seenUserIds.add(co.id);
+
+    final names = <String>[
+      if (p.user.fullName.trim().isNotEmpty) p.user.fullName.trim(),
+      if (co != null && co.fullName.trim().isNotEmpty) co.fullName.trim(),
+    ];
+
+    final title = dossier.isNotEmpty
+        ? 'Dossier $dossier'
+        : (names.isNotEmpty ? names.first : 'Famille');
+
+    foyers.add(
+      AdminFamilleFoyer(
+        pivotParentUserId: p.user.id,
+        numeroDossier: dossier.isNotEmpty ? dossier : null,
+        displayTitle: title,
+        parentNames: names,
+      ),
+    );
+  }
+
+  foyers.sort(
+    (a, b) => a.displayTitle.toLowerCase().compareTo(b.displayTitle.toLowerCase()),
+  );
+  return foyers;
+}
+
+/// Sélection d'une famille / dossier pour créer un enfant — ticket #132.
+class AdminSelectFamilleModal {
+  AdminSelectFamilleModal._();
+
+  static Future<AdminFamilleFoyer?> show(
+    BuildContext context, {
+    String title = 'Choisir une famille',
+  }) {
+    return AdminSelectListModal.show<AdminFamilleFoyer>(
+      context,
+      title: title,
+      searchHint: 'Rechercher par dossier, nom…',
+      emptyMessage: 'Aucune famille disponible',
+      noResultsMessage: 'Aucun résultat pour cette recherche',
+      loadItems: () async {
+        final parents = await UserService.getParents();
+        return buildFamilleFoyers(parents);
+      },
+      matchesQuery: (f, q) {
+        final dossier = (f.numeroDossier ?? '').toLowerCase();
+        final title = f.displayTitle.toLowerCase();
+        final names = f.parentNames.join(' ').toLowerCase();
+        return dossier.contains(q) || title.contains(q) || names.contains(q);
+      },
+      itemBuilder: (context, f, onSelect) {
+        return AdminUserCard(
+          title: f.displayTitle,
+          fallbackIcon: Icons.family_restroom,
+          subtitleLines: [
+            if (f.parentNames.isNotEmpty) f.parentNames.join(', '),
+            if ((f.numeroDossier ?? '').isNotEmpty)
+              'Dossier ${f.numeroDossier}',
+          ],
+          onCardTap: onSelect,
+          margin: const EdgeInsets.only(bottom: 4),
+          contentPadding: const EdgeInsets.symmetric(
+            horizontal: 10,
+            vertical: 5,
+          ),
+          actions: [
+            IconButton(
+              icon: const Icon(Icons.check_circle_outline),
+              tooltip: 'Choisir',
+              onPressed: onSelect,
+            ),
+          ],
+        );
+      },
+    );
+  }
+}
diff --git a/frontend/lib/widgets/admin/user_management_panel.dart b/frontend/lib/widgets/admin/user_management_panel.dart
index d272864..3abcb4c 100644
--- a/frontend/lib/widgets/admin/user_management_panel.dart
+++ b/frontend/lib/widgets/admin/user_management_panel.dart
@@ -3,6 +3,7 @@ import 'package:p_tits_pas/screens/administrateurs/creation/gestionnaires_create
 import 'package:p_tits_pas/services/user_service.dart';
 import 'package:p_tits_pas/widgets/admin/admin_management_widget.dart';
 import 'package:p_tits_pas/widgets/admin/assistante_maternelle_management_widget.dart';
+import 'package:p_tits_pas/widgets/admin/common/admin_child_detail_modal.dart';
 import 'package:p_tits_pas/widgets/admin/dashboard_admin.dart';
 import 'package:p_tits_pas/widgets/admin/enfant_management_widget.dart';
 import 'package:p_tits_pas/widgets/admin/gestionnaire_management_widget.dart';
@@ -26,6 +27,7 @@ class _UserManagementPanelState extends State<UserManagementPanel> {
   int _subIndex = 0;
   int _gestionnaireRefreshTick = 0;
   int _adminRefreshTick = 0;
+  int _enfantRefreshTick = 0;
   final TextEditingController _searchController = TextEditingController();
   final TextEditingController _amCapacityController = TextEditingController();
   String? _parentStatus;
@@ -264,6 +266,7 @@ class _UserManagementPanelState extends State<UserManagementPanel> {
         );
       case 1:
         return EnfantManagementWidget(
+          key: ValueKey('enfants-$_enfantRefreshTick'),
           searchQuery: _searchController.text,
           statusFilter: _enfantStatus,
         );
@@ -311,6 +314,23 @@ class _UserManagementPanelState extends State<UserManagementPanel> {
 
   Future<void> _handleAddPressed() async {
     final contentIndex = _subIndex - _contentIndexOffset;
+
+    if (contentIndex == 1) {
+      await showDialog<void>(
+        context: context,
+        barrierDismissible: false,
+        builder: (dialogContext) {
+          return AdminChildDetailModal.create(
+            onSaved: () {
+              if (!mounted) return;
+              setState(() => _enfantRefreshTick++);
+            },
+          );
+        },
+      );
+      return;
+    }
+
     if (contentIndex == 3) {
       final created = await showDialog<bool>(
         context: context,
diff --git a/frontend/pubspec.lock b/frontend/pubspec.lock
index 09ded02..3672396 100644
--- a/frontend/pubspec.lock
+++ b/frontend/pubspec.lock
@@ -206,7 +206,7 @@ packages:
     source: hosted
     version: "1.2.2"
   http_parser:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http_parser
       sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
diff --git a/frontend/pubspec.yaml b/frontend/pubspec.yaml
index 0f2e0aa..b3f4ca8 100644
--- a/frontend/pubspec.yaml
+++ b/frontend/pubspec.yaml
@@ -21,6 +21,7 @@ dependencies:
   js: ^0.6.7
   url_launcher: ^6.2.4
   http: ^1.2.2
+  http_parser: ^4.0.2
   # flutter_secure_storage: ^9.0.0
   pdfx: ^2.5.0
   universal_platform: ^1.1.0