출석 달력 검정색 테마 반영 + 웹에서 NFC 타일 잠금 처리

출석 달력: 공부한 날 표시/오늘 테두리/범례가 AppPalette.ink로 고정돼 있어서
테마를 적용해도 검정으로 남아있던 것을 테마 강조색으로 바꿨다.

메인 대시보드: 웹은 NFC 하드웨어에 접근할 수 없으므로, "등록된 기기가
아닐 때"와 똑같은 패턴(자물쇠 아이콘 + 회색 + 탭하면 안내 메시지)으로
NFC 태그/NFC 태그 쓰기 타일을 잠근다. 실제 눌러지는 동작은 기존 기기
불일치 처리와 동일하게 안내만 띄우고 화면 이동은 막는 방식이다.

lib/function/nfc_pocket_checkin_controller.dart

@@ -105,7 +105,8 @@ class NfcPocketCheckinController extends ChangeNotifier {
   @override
   void dispose() {
     // 화면을 나갈 때 NFC 감지만 종료. 백그라운드 감시 서비스는 화면과 무관하게 계속 동작해야 하므로 건드리지 않는다.
-    NfcManager.instance.stopSession();
+    // 🌐 웹에서는 애초에 세션을 시작하지 않으므로 stopSession도 호출하지 않는다.
+    if (!kIsWeb) NfcManager.instance.stopSession();
     _violationSub?.cancel();
     _checkedOutSub?.cancel();
     // iOS 근접센서 감시는 (안드로이드와 달리) 이 컨트롤러 안에서 직접 도는 것이라,
@@ -119,6 +120,14 @@ class NfcPocketCheckinController extends ChangeNotifier {
 
   /// 📡 NFC 감지 세션 시작
   void _startNfcSession() async {
+    // 🌐 웹 브라우저는 NFC 하드웨어에 접근할 방법이 없어서, 시도조차 하지 않고
+    // 바로 안내 문구만 보여준다 (괜히 켜는 척하다 먹통되는 것 방지).
+    if (kIsWeb) {
+      _statusMessage = "NFC 태그 기능은 스마트폰 앱에서만 사용할 수 있어요.";
+      notifyListeners();
+      return;
+    }
+
     bool isAvailable = await NfcManager.instance.isAvailable();
     if (!isAvailable) {
       _statusMessage = "이 스마트폰은 NFC 기능이 꺼져있거나 지원되지 않습니다.";

lib/function/nfc_tag_writer_controller.dart

@@ -31,7 +31,8 @@ class NfcTagWriterController extends ChangeNotifier {
 
   @override
   void dispose() {
-    NfcManager.instance.stopSession();
+    // 🌐 웹에서는 애초에 세션을 시작하지 않으므로 stopSession도 호출하지 않는다.
+    if (!kIsWeb) NfcManager.instance.stopSession();
     super.dispose();
   }
 
@@ -40,6 +41,11 @@ class NfcTagWriterController extends ChangeNotifier {
       onMessage("주머니 번호를 입력해주세요.", true);
       return;
     }
+    // 🌐 웹 브라우저는 NFC 하드웨어에 접근할 방법이 없어서 시도조차 하지 않는다.
+    if (kIsWeb) {
+      onMessage("NFC 태그 쓰기는 스마트폰 앱에서만 사용할 수 있어요.", true);
+      return;
+    }
     final String pocketLabel = "POCKET_$number";
 
     bool isAvailable = await NfcManager.instance.isAvailable();

lib/function/profile_shop_controller.dart

@@ -0,0 +1,149 @@
+// 🛍️ 프로필 꾸미기 상점 기능(서버 통신/상태) 담당 컨트롤러.
+// UI는 lib/ui/profile_customize_screen.dart가 담당한다.
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart' show Color;
+import 'package:http/http.dart' as http;
+import '../config.dart';
+import '../theme/profile_themes.dart';
+
+class ShopTemplate {
+  final int id;
+  final String code;
+  final String category;
+  final String name;
+  final int price;
+  final Color primaryColor;
+  final Color secondaryColor;
+  final bool owned;
+  final bool equipped;
+
+  ShopTemplate({
+    required this.id,
+    required this.code,
+    required this.category,
+    required this.name,
+    required this.price,
+    required this.primaryColor,
+    required this.secondaryColor,
+    required this.owned,
+    required this.equipped,
+  });
+
+  factory ShopTemplate.fromJson(Map<String, dynamic> json) {
+    return ShopTemplate(
+      id: json['id'] as int,
+      code: json['code'] as String,
+      category: json['category'] as String,
+      name: json['name'] as String,
+      price: json['price'] as int,
+      primaryColor: _parseColor(json['primaryColor'] as String),
+      secondaryColor: _parseColor(json['secondaryColor'] as String),
+      owned: json['owned'] == true,
+      equipped: json['equipped'] == true,
+    );
+  }
+}
+
+Color _parseColor(String hex) {
+  return Color(int.parse(hex.substring(2), radix: 16));
+}
+
+class ProfileShopController extends ChangeNotifier {
+  bool _isLoading = false;
+  bool get isLoading => _isLoading;
+
+  int cashBalance = 0;
+  List<ShopTemplate> templates = [];
+
+  void _safeNotify() {
+    if (hasListeners) notifyListeners();
+  }
+
+  Future<void> loadCatalog(String studentId) async {
+    _isLoading = true;
+    _safeNotify();
+    try {
+      final url = Uri.parse(
+        '$baseUrl/api/shop/catalog?studentId=${Uri.encodeComponent(studentId)}',
+      );
+      final response = await http.get(url);
+      if (response.statusCode == 200) {
+        final data = jsonDecode(response.body);
+        cashBalance = (data['cashBalance'] as num?)?.toInt() ?? 0;
+        templates = ((data['templates'] as List?) ?? [])
+            .map((t) => ShopTemplate.fromJson(t as Map<String, dynamic>))
+            .toList();
+      }
+    } catch (_) {
+      // 네트워크 에러여도 화면은 빈 상태로라도 그려지게 조용히 넘어간다.
+    } finally {
+      _isLoading = false;
+      _safeNotify();
+    }
+  }
+
+  Future<(bool success, String message)> purchase(
+    String studentId,
+    int templateId,
+  ) async {
+    try {
+      final url = Uri.parse('$baseUrl/api/shop/purchase');
+      final response = await http.post(
+        url,
+        headers: {'Content-Type': 'application/json'},
+        body: jsonEncode({'studentId': studentId, 'templateId': templateId}),
+      );
+      final data = jsonDecode(response.body);
+      final success = data['status'] == 'success';
+      if (success) {
+        await loadCatalog(studentId);
+      }
+      return (success, '${data['message'] ?? (success ? '구매 완료!' : '구매 실패')}');
+    } catch (e) {
+      return (false, '서버와 연결할 수 없습니다. (네트워크 에러)');
+    }
+  }
+
+  Future<(bool success, String message)> equip(
+    String studentId,
+    int? templateId,
+  ) async {
+    try {
+      final url = Uri.parse('$baseUrl/api/shop/equip');
+      final response = await http.post(
+        url,
+        headers: {'Content-Type': 'application/json'},
+        body: jsonEncode({'studentId': studentId, 'templateId': templateId}),
+      );
+      final data = jsonDecode(response.body);
+      final success = data['status'] == 'success';
+      if (success) {
+        await loadCatalog(studentId);
+      }
+      return (success, '${data['message'] ?? (success ? '장착 완료' : '장착 실패')}');
+    } catch (e) {
+      return (false, '서버와 연결할 수 없습니다. (네트워크 에러)');
+    }
+  }
+
+  /// 🏠 메인 대시보드 프로필 카드 렌더링 전용 - 상점 화면을 열지 않고도
+  /// 현재 장착 중인 테마 색상만 가볍게 조회한다.
+  static Future<ProfileTheme?> fetchEquippedTheme(String studentId) async {
+    try {
+      final url = Uri.parse(
+        '$baseUrl/api/shop/equipped?studentId=${Uri.encodeComponent(studentId)}',
+      );
+      final response = await http.get(url);
+      if (response.statusCode == 200) {
+        final data = jsonDecode(response.body);
+        if (data['equipped'] == true) {
+          return profileThemes[data['code'] as String?];
+        }
+      }
+    } catch (_) {
+      // 실패하면 그냥 기본 모습으로 보여준다.
+    }
+    return null;
+  }
+}

lib/screens/change_password_screen.dart

@@ -5,6 +5,7 @@ import 'package:http/http.dart' as http;
 import '../config.dart';
 import '../theme/app_palette.dart';
 import '../ui/app_notice.dart';
+import '../ui/hold_to_reveal_password_field.dart';
 import '../ui/login_screen.dart';
 
 // 💡 main.dart 파일의 최하단(다른 클래스 중괄호 밖)에 붙여넣으세요.
@@ -75,13 +76,12 @@ class _ChangePasswordScreenState extends State<ChangePasswordScreen> {
               style: TextStyle(color: Colors.grey),
             ),
             const SizedBox(height: 32),
-            TextField(
+            HoldToRevealPasswordField(
               controller: _pwController,
-              obscureText: true,
+              autofocus: true,
-              decoration: const InputDecoration(
+              labelText: '새로운 비밀번호 입력',
-                labelText: '새로운 비밀번호 입력',
+              textInputAction: TextInputAction.done,
-                border: OutlineInputBorder(),
+              onSubmitted: (_) => _updatePassword(),
-              ),
             ),
             const SizedBox(height: 16),
             SizedBox(

lib/theme/app_palette.dart

@@ -1,16 +1,36 @@
 // 🎨 앱 전역 무채색 팔레트 (coolors.co: 1c1c1c-daddd8-ecebe4-eef0f2-fafaff).
 // 배경/카드/배너 같은 구조적 색상은 전부 이 5색으로 통일한다.
 // 삭제/위반/거절처럼 사용자가 즉시 알아채야 하는 경고성 색상(빨강 등)만 예외로 유지한다.
+//
+// 🛍️ mist/paper/linen/sage(구조색 4종)는 프로필 꾸미기 템플릿을 장착하면 화면
+// 전체에 그 테마가 번지도록 const를 빼고 바꿔치기 가능하게 했다. ink는 텍스트/
+// 버튼 등 너무 많은 곳에서 쓰여서 바꾸면 가독성이 깨질 수 있어 그대로 고정 둔다.
+// applyTemplateTheme()로만 바꾸고, 직접 대입하지 않는다.
 import 'package:flutter/material.dart';
+import 'profile_themes.dart';
 
 class AppPalette {
   AppPalette._();
 
   static const Color ink = Color(0xFF1C1C1C); // 가장 어두운 톤 — 배너/주요 텍스트/버튼
-  static const Color sage = Color(0xFFDADDD8); // 보더/구분선/보조 표면
+
-  static const Color linen = Color(0xFFECEBE4); // 은은한 카드/배지 배경
+  static const Color _defaultSage = Color(0xFFDADDD8);
-  static const Color mist = Color(0xFFEEF0F2); // 페이지 배경
+  static const Color _defaultLinen = Color(0xFFECEBE4);
-  static const Color paper = Color(0xFFFAFAFF); // 카드 표면(거의 흰색)
+  static const Color _defaultMist = Color(0xFFEEF0F2);
+  static const Color _defaultPaper = Color(0xFFFAFAFF);
+
+  static Color sage = _defaultSage; // 보더/구분선/보조 표면
+  static Color linen = _defaultLinen; // 은은한 카드/배지 배경
+  static Color mist = _defaultMist; // 페이지 배경
+  static Color paper = _defaultPaper; // 카드 표면(거의 흰색)
+
+  /// 🛍️ 장착한 템플릿에 맞춰 구조색 4종을 한 번에 바꾼다. null을 주면 기본값으로 복원.
+  static void applyTemplateTheme(ProfileTheme? theme) {
+    mist = theme?.background ?? _defaultMist;
+    paper = theme?.surface ?? _defaultPaper;
+    linen = theme?.surfaceAlt ?? _defaultLinen;
+    sage = theme?.border ?? _defaultSage;
+  }
 
   // 🚨 경고성 색상 3종 - 예전엔 화면마다 Colors.red/red[400]/red[700]/redAccent처럼
   // 제각각 써서 같은 의미인데 색이 미묘하게 달랐다. 이제 의미별로 딱 하나씩만 쓴다.

lib/theme/profile_themes.dart

@@ -0,0 +1,98 @@
+// 🎨 프로필 꾸미기 "템플릿"을 장착하면 프로필 카드 색뿐 아니라 화면 전체의
+// 배경/타일/아이콘 색까지 통째로 바뀌는 "테마" 데이터.
+// 템플릿은 상점에서 사는 색/애니메이션 상품, 테마는 그 템플릿이 몰고 오는
+// 화면 전체 디자인(배경색/타일색/아이콘색/모양)을 가리킨다 - 용어 구분은
+// 사장님이 정해준 것을 그대로 따른다.
+//
+// 템플릿 하나하나에 대해 직접 디자인한 고정 팔레트라서, 서버에서 내려주는
+// code(예: "lavender")로 이 맵을 찾아 쓴다. 템플릿이 늘어나면 여기도 추가해야 한다.
+import 'package:flutter/material.dart';
+
+class ProfileTheme {
+  final Color primary; // 프로필 카드 그라데이션 시작색 (템플릿 색)
+  final Color secondary; // 프로필 카드 그라데이션 끝색 (템플릿 색)
+  final Color background; // 페이지 배경
+  final Color surface; // 타일/카드 배경
+  final Color surfaceAlt; // 아이콘 동그라미 등 보조 표면
+  final Color border; // 타일 테두리/구분선
+  final Color accent; // 타일 아이콘 등 강조색
+  final Color onBackground; // 배경/타일 위에 올라가는 기본 텍스트 색
+  final bool isDark;
+
+  const ProfileTheme({
+    required this.primary,
+    required this.secondary,
+    required this.background,
+    required this.surface,
+    required this.surfaceAlt,
+    required this.border,
+    required this.accent,
+    required this.onBackground,
+    this.isDark = false,
+  });
+}
+
+const Map<String, ProfileTheme> profileThemes = {
+  'lavender': ProfileTheme(
+    primary: Color(0xFFB39DDB),
+    secondary: Color(0xFF7E57C2),
+    background: Color(0xFFF5F0FA),
+    surface: Color(0xFFFFFFFF),
+    surfaceAlt: Color(0xFFEDE4F7),
+    border: Color(0xFFDCCCEF),
+    accent: Color(0xFF7E57C2),
+    onBackground: Color(0xFF1C1C1C),
+  ),
+  'mint': ProfileTheme(
+    primary: Color(0xFF80CBC4),
+    secondary: Color(0xFF00897B),
+    background: Color(0xFFEAF6F4),
+    surface: Color(0xFFFFFFFF),
+    surfaceAlt: Color(0xFFDBF0EC),
+    border: Color(0xFFBFE3DC),
+    accent: Color(0xFF00897B),
+    onBackground: Color(0xFF1C1C1C),
+  ),
+  'sunset': ProfileTheme(
+    primary: Color(0xFFFFB74D),
+    secondary: Color(0xFFE64A19),
+    background: Color(0xFFFFF3E6),
+    surface: Color(0xFFFFFFFF),
+    surfaceAlt: Color(0xFFFFE5CC),
+    border: Color(0xFFFFD1A6),
+    accent: Color(0xFFE64A19),
+    onBackground: Color(0xFF1C1C1C),
+  ),
+  'ocean': ProfileTheme(
+    primary: Color(0xFF4FC3F7),
+    secondary: Color(0xFF01579B),
+    background: Color(0xFFEAF6FC),
+    surface: Color(0xFFFFFFFF),
+    surfaceAlt: Color(0xFFD9EEF9),
+    border: Color(0xFFBBDDF0),
+    accent: Color(0xFF01579B),
+    onBackground: Color(0xFF1C1C1C),
+  ),
+  'aurora': ProfileTheme(
+    primary: Color(0xFF81C784),
+    secondary: Color(0xFF1565C0),
+    background: Color(0xFFEDF6EF),
+    surface: Color(0xFFFFFFFF),
+    surfaceAlt: Color(0xFFDCEEE0),
+    border: Color(0xFFC3E2CA),
+    accent: Color(0xFF1565C0),
+    onBackground: Color(0xFF1C1C1C),
+  ),
+  // 🌌 최고가 템플릿 - 다른 5개와 달리 통째로 다크 테마라서 들어가자마자 확 다르게 느껴진다.
+  'galaxy': ProfileTheme(
+    primary: Color(0xFF9575CD),
+    secondary: Color(0xFF1A237E),
+    background: Color(0xFF14122B),
+    surface: Color(0xFF211F42),
+    surfaceAlt: Color(0xFF2C2A52),
+    border: Color(0xFF3A3768),
+    accent: Color(0xFFB39DDB),
+    onBackground: Color(0xFFF5F3FF),
+    isDark: true,
+  ),
+};

lib/theme/theme_sync.dart

@@ -0,0 +1,15 @@
+// 🌐 지금 장착된 프로필 테마를 앱 전체에 퍼뜨리는 통로.
+// AppPalette의 구조색(mist/paper/linen/sage)은 전역 static 값이라 바꾸면 되지만,
+// TitlePill처럼 "실시간으로" 다시 그려져야 하는 공유 위젯은 구독할 대상이
+// 따로 필요해서 ValueNotifier를 하나 더 둔다. 템플릿을 장착/해제할 때는
+// AppPalette를 직접 건드리지 말고 꼭 이 함수를 통해서만 바꾼다.
+import 'package:flutter/foundation.dart';
+import 'app_palette.dart';
+import 'profile_themes.dart';
+
+final ValueNotifier<ProfileTheme?> globalProfileTheme = ValueNotifier(null);
+
+void applyGlobalProfileTheme(ProfileTheme? theme) {
+  AppPalette.applyTemplateTheme(theme);
+  globalProfileTheme.value = theme;
+}

lib/ui/admin_dashboard.dart

@@ -53,6 +53,7 @@ class _AdminDashboardState extends State<AdminDashboard> {
               child: const Text('취소', style: TextStyle(color: Colors.grey)),
             ),
             ElevatedButton(
+              autofocus: true,
               style: ElevatedButton.styleFrom(
                 backgroundColor: AppPalette.danger,
               ),

lib/ui/app_notice.dart

@@ -131,7 +131,7 @@ class _NoticeBannerState extends State<_NoticeBanner>
             Flexible(
               child: Text(
                 widget.message,
-                style: const TextStyle(
+                style: TextStyle(
                   color: AppPalette.paper,
                   fontSize: 13.5,
                   fontWeight: FontWeight.w600,

lib/ui/board_home_screen.dart

@@ -6,6 +6,7 @@ import 'package:http/http.dart' as http;
 import '../config.dart';
 import '../function/board_list_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'board_post_detail_screen.dart';
 import 'board_report_screen.dart';
 import 'board_write_screen.dart';
@@ -149,7 +150,8 @@ class _BoardHomeScreenState extends State<BoardHomeScreen>
       floatingActionButton: _tabController == null
           ? null
           : FloatingActionButton(
-              backgroundColor: AppPalette.ink,
+              backgroundColor:
+                  globalProfileTheme.value?.accent ?? AppPalette.ink,
               foregroundColor: AppPalette.paper,
               onPressed: _openWrite,
               child: const Icon(Icons.edit_rounded),

lib/ui/board_post_detail_screen.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import '../function/board_post_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -101,7 +102,8 @@ class _BoardPostDetailScreenState extends State<BoardPostDetailScreen> {
             const SizedBox(height: 14),
             ElevatedButton(
               style: ElevatedButton.styleFrom(
-                backgroundColor: AppPalette.ink,
+                backgroundColor:
+                    globalProfileTheme.value?.accent ?? AppPalette.ink,
                 foregroundColor: AppPalette.paper,
                 padding: const EdgeInsets.symmetric(vertical: 14),
               ),
@@ -139,6 +141,7 @@ class _BoardPostDetailScreenState extends State<BoardPostDetailScreen> {
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(dialogContext, true),
             child: const Text('삭제', style: TextStyle(color: AppPalette.danger)),
           ),

lib/ui/device_checkout_ledger_page.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import '../function/device_checkout_ledger_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -77,8 +78,10 @@ class _DeviceCheckoutLedgerPageState extends State<DeviceCheckoutLedgerPage> {
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           ElevatedButton(
+            autofocus: true,
             style: ElevatedButton.styleFrom(
-              backgroundColor: AppPalette.ink,
+              backgroundColor:
+                  globalProfileTheme.value?.accent ?? AppPalette.ink,
               foregroundColor: AppPalette.paper,
             ),
             onPressed: () async {
@@ -190,7 +193,9 @@ class _DeviceCheckoutLedgerPageState extends State<DeviceCheckoutLedgerPage> {
                                         _approve(r['id']);
                                       },
                                 style: ElevatedButton.styleFrom(
-                                  backgroundColor: AppPalette.ink,
+                                  backgroundColor:
+                                      globalProfileTheme.value?.accent ??
+                                      AppPalette.ink,
                                   foregroundColor: AppPalette.paper,
                                 ),
                                 child: const Text('승인'),
@@ -208,6 +213,7 @@ class _DeviceCheckoutLedgerPageState extends State<DeviceCheckoutLedgerPage> {
         ),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(dialogContext),
             child: const Text('닫기'),
           ),
@@ -350,7 +356,7 @@ class _DeviceCheckoutLedgerPageState extends State<DeviceCheckoutLedgerPage> {
                                               ? const BorderSide(
                                                   color: AppPalette.warning,
                                                 )
-                                              : const BorderSide(
+                                              : BorderSide(
                                                   color: AppPalette.sage,
                                                 )),
                                   ),

lib/ui/device_checkout_request_screen.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import '../function/device_checkout_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -121,6 +122,16 @@ class _DeviceCheckoutRequestScreenState
                               Expanded(
                                 child: OutlinedButton.icon(
                                   onPressed: _pickStartTime,
+                                  style: OutlinedButton.styleFrom(
+                                    foregroundColor:
+                                        globalProfileTheme.value?.accent ??
+                                        AppPalette.ink,
+                                    side: BorderSide(
+                                      color:
+                                          globalProfileTheme.value?.accent ??
+                                          AppPalette.ink,
+                                    ),
+                                  ),
                                   icon: const Icon(Icons.play_arrow_rounded),
                                   label: Text(
                                     _startTime == null
@@ -133,6 +144,16 @@ class _DeviceCheckoutRequestScreenState
                               Expanded(
                                 child: OutlinedButton.icon(
                                   onPressed: _pickEndTime,
+                                  style: OutlinedButton.styleFrom(
+                                    foregroundColor:
+                                        globalProfileTheme.value?.accent ??
+                                        AppPalette.ink,
+                                    side: BorderSide(
+                                      color:
+                                          globalProfileTheme.value?.accent ??
+                                          AppPalette.ink,
+                                    ),
+                                  ),
                                   icon: const Icon(Icons.stop_rounded),
                                   label: Text(
                                     _endTime == null
@@ -163,7 +184,9 @@ class _DeviceCheckoutRequestScreenState
                                   ? null
                                   : _submit,
                               style: ElevatedButton.styleFrom(
-                                backgroundColor: AppPalette.ink,
+                                backgroundColor:
+                                    globalProfileTheme.value?.accent ??
+                                    AppPalette.ink,
                                 foregroundColor: AppPalette.paper,
                                 shape: RoundedRectangleBorder(
                                   borderRadius: BorderRadius.circular(12),

lib/ui/friends_screen.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import '../function/friend_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -47,7 +48,10 @@ class _FriendsScreenState extends State<FriendsScreen> {
         title: const Text('친구 추가'),
         content: TextField(
           controller: idController,
+          autofocus: true,
           keyboardType: TextInputType.number,
+          textInputAction: TextInputAction.done,
+          onSubmitted: (_) => Navigator.pop(dialogContext, true),
           decoration: const InputDecoration(
             labelText: '친구 학번',
             border: OutlineInputBorder(),
@@ -60,7 +64,8 @@ class _FriendsScreenState extends State<FriendsScreen> {
           ),
           ElevatedButton(
             style: ElevatedButton.styleFrom(
-              backgroundColor: AppPalette.ink,
+              backgroundColor:
+                  globalProfileTheme.value?.accent ?? AppPalette.ink,
               foregroundColor: AppPalette.paper,
             ),
             onPressed: () => Navigator.pop(dialogContext, true),
@@ -99,6 +104,7 @@ class _FriendsScreenState extends State<FriendsScreen> {
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(dialogContext, true),
             child: const Text('삭제', style: TextStyle(color: AppPalette.danger)),
           ),
@@ -155,7 +161,7 @@ class _FriendsScreenState extends State<FriendsScreen> {
             elevation: 0,
           ),
           floatingActionButton: FloatingActionButton.extended(
-            backgroundColor: AppPalette.ink,
+            backgroundColor: globalProfileTheme.value?.accent ?? AppPalette.ink,
             foregroundColor: AppPalette.paper,
             onPressed: _showAddFriendDialog,
             icon: const Icon(Icons.person_add_rounded),
@@ -213,7 +219,9 @@ class _FriendsScreenState extends State<FriendsScreen> {
                                     ),
                                     ElevatedButton(
                                       style: ElevatedButton.styleFrom(
-                                        backgroundColor: AppPalette.ink,
+                                        backgroundColor:
+                                            globalProfileTheme.value?.accent ??
+                                            AppPalette.ink,
                                         foregroundColor: AppPalette.paper,
                                       ),
                                       onPressed: () =>

lib/ui/group_detail_screen.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import '../function/friend_controller.dart';
 import '../function/group_detail_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'launchpad_transition.dart';
 import 'study_timer_screen.dart';
@@ -106,7 +107,9 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
                           subtitle: Text('${f['studentId']}'),
                           trailing: ElevatedButton(
                             style: ElevatedButton.styleFrom(
-                              backgroundColor: AppPalette.ink,
+                              backgroundColor:
+                                  globalProfileTheme.value?.accent ??
+                                  AppPalette.ink,
                               foregroundColor: AppPalette.paper,
                             ),
                             onPressed: () async {
@@ -158,8 +161,10 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           ElevatedButton(
+            autofocus: true,
             style: ElevatedButton.styleFrom(
-              backgroundColor: AppPalette.ink,
+              backgroundColor:
+                  globalProfileTheme.value?.accent ?? AppPalette.ink,
               foregroundColor: AppPalette.paper,
             ),
             onPressed: () => Navigator.pop(dialogContext, true),
@@ -195,6 +200,7 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(dialogContext, true),
             child: const Text(
               '나가기',
@@ -287,7 +293,7 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
             ],
           ),
           floatingActionButton: FloatingActionButton.extended(
-            backgroundColor: AppPalette.ink,
+            backgroundColor: globalProfileTheme.value?.accent ?? AppPalette.ink,
             foregroundColor: AppPalette.paper,
             onPressed: _showInviteSheet,
             icon: const Icon(Icons.person_add_rounded),
@@ -323,7 +329,7 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
                           label: const Text('백품타 바로가기'),
                           style: OutlinedButton.styleFrom(
                             foregroundColor: AppPalette.ink,
-                            side: const BorderSide(color: AppPalette.sage),
+                            side: BorderSide(color: AppPalette.sage),
                             padding: const EdgeInsets.symmetric(vertical: 14),
                             shape: RoundedRectangleBorder(
                               borderRadius: BorderRadius.circular(16),
@@ -398,7 +404,9 @@ class _GroupDetailScreenState extends State<GroupDetailScreen> {
                                 ),
                                 ElevatedButton(
                                   style: ElevatedButton.styleFrom(
-                                    backgroundColor: AppPalette.ink,
+                                    backgroundColor:
+                                        globalProfileTheme.value?.accent ??
+                                        AppPalette.ink,
                                     foregroundColor: AppPalette.paper,
                                   ),
                                   onPressed: () => _respondJoinRequest(

lib/ui/group_list_screen.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import '../function/group_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'group_detail_screen.dart';
 import 'launchpad_transition.dart';
@@ -57,7 +58,10 @@ class _GroupListScreenState extends State<GroupListScreen> {
             children: [
               TextField(
                 controller: nameController,
+                autofocus: true,
                 maxLength: 20,
+                textInputAction: TextInputAction.done,
+                onSubmitted: (_) => Navigator.pop(dialogContext, true),
                 decoration: const InputDecoration(
                   labelText: '그룹 이름',
                   border: OutlineInputBorder(),
@@ -83,7 +87,8 @@ class _GroupListScreenState extends State<GroupListScreen> {
             ),
             ElevatedButton(
               style: ElevatedButton.styleFrom(
-                backgroundColor: AppPalette.ink,
+                backgroundColor:
+                    globalProfileTheme.value?.accent ?? AppPalette.ink,
                 foregroundColor: AppPalette.paper,
               ),
               onPressed: () => Navigator.pop(dialogContext, true),
@@ -180,7 +185,7 @@ class _GroupListScreenState extends State<GroupListScreen> {
             elevation: 0,
           ),
           floatingActionButton: FloatingActionButton.extended(
-            backgroundColor: AppPalette.ink,
+            backgroundColor: globalProfileTheme.value?.accent ?? AppPalette.ink,
             foregroundColor: AppPalette.paper,
             onPressed: _showCreateGroupDialog,
             icon: const Icon(Icons.add_rounded),
@@ -238,7 +243,9 @@ class _GroupListScreenState extends State<GroupListScreen> {
                                     ),
                                     ElevatedButton(
                                       style: ElevatedButton.styleFrom(
-                                        backgroundColor: AppPalette.ink,
+                                        backgroundColor:
+                                            globalProfileTheme.value?.accent ??
+                                            AppPalette.ink,
                                         foregroundColor: AppPalette.paper,
                                       ),
                                       onPressed: () => _respondInvite(
@@ -444,7 +451,11 @@ class _GroupListScreenState extends State<GroupListScreen> {
                                     else
                                       ElevatedButton(
                                         style: ElevatedButton.styleFrom(
-                                          backgroundColor: AppPalette.ink,
+                                          backgroundColor:
+                                              globalProfileTheme
+                                                  .value
+                                                  ?.accent ??
+                                              AppPalette.ink,
                                           foregroundColor: AppPalette.paper,
                                         ),
                                         onPressed: () =>

lib/ui/hold_to_reveal_password_field.dart

@@ -0,0 +1,67 @@
+// 👁️ 비밀번호 입력창 - 오른쪽 눈 아이콘을 누르고 있는 동안만 평문으로 보여준다.
+// 토글형(눌러서 계속 보기) 대신 "홀드"로 만든 이유: 손을 떼는 순간 바로 다시 가려져서
+// 누가 옆에서 보더라도 짧게 확인만 하고 끝낼 수 있다.
+import 'package:flutter/material.dart';
+
+class HoldToRevealPasswordField extends StatefulWidget {
+  final TextEditingController controller;
+  final String labelText;
+  final String? hintText;
+  final IconData prefixIcon;
+  final bool autofocus;
+  final TextInputType? keyboardType;
+  final TextInputAction? textInputAction;
+  final ValueChanged<String>? onSubmitted;
+
+  const HoldToRevealPasswordField({
+    super.key,
+    required this.controller,
+    required this.labelText,
+    this.hintText,
+    this.prefixIcon = Icons.lock,
+    this.autofocus = false,
+    this.keyboardType,
+    this.textInputAction,
+    this.onSubmitted,
+  });
+
+  @override
+  State<HoldToRevealPasswordField> createState() =>
+      _HoldToRevealPasswordFieldState();
+}
+
+class _HoldToRevealPasswordFieldState extends State<HoldToRevealPasswordField> {
+  bool _revealed = false;
+
+  void _setRevealed(bool value) {
+    if (_revealed != value) setState(() => _revealed = value);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return TextField(
+      controller: widget.controller,
+      obscureText: !_revealed,
+      autofocus: widget.autofocus,
+      keyboardType: widget.keyboardType,
+      textInputAction: widget.textInputAction,
+      onSubmitted: widget.onSubmitted,
+      decoration: InputDecoration(
+        labelText: widget.labelText,
+        hintText: widget.hintText,
+        border: const OutlineInputBorder(),
+        prefixIcon: Icon(widget.prefixIcon),
+        suffixIcon: GestureDetector(
+          behavior: HitTestBehavior.opaque,
+          onTapDown: (_) => _setRevealed(true),
+          onTapUp: (_) => _setRevealed(false),
+          onTapCancel: () => _setRevealed(false),
+          child: Icon(
+            _revealed ? Icons.visibility_rounded : Icons.visibility_off_rounded,
+            color: Colors.grey,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/ui/login_screen.dart

@@ -6,6 +6,7 @@ import '../function/login_controller.dart';
 import '../function/session_store.dart';
 import '../theme/app_palette.dart';
 import 'app_notice.dart';
+import 'hold_to_reveal_password_field.dart';
 import 'main_dashboard.dart';
 import 'teacher_register_screen.dart';
 
@@ -112,6 +113,36 @@ class _LoginScreenState extends State<LoginScreen> {
 
         return StatefulBuilder(
           builder: (context, setDialogState) {
+            Future<void> submit() async {
+              String newPassword = newPwController.text.trim();
+              if (newPassword.isEmpty) {
+                AppNotice.show(context, '새 비밀번호를 입력해 주세요.');
+                return;
+              }
+
+              setDialogState(() => isUpdating = true);
+
+              final (success, message) = await _controller.changePassword(
+                studentId: studentId,
+                newPassword: newPassword,
+              );
+              setDialogState(() => isUpdating = false);
+
+              if (success) {
+                Navigator.pop(dialogContext);
+                AppNotice.show(context, message);
+                _navigateBasedOnRole(
+                  role,
+                  studentId,
+                  name,
+                  isDeviceMatched,
+                  grade,
+                );
+              } else {
+                AppNotice.show(context, message);
+              }
+            }
+
             return AlertDialog(
               title: const Text(
                 '초기 비밀번호 변경',
@@ -125,14 +156,13 @@ class _LoginScreenState extends State<LoginScreen> {
                     style: TextStyle(color: AppPalette.danger),
                   ),
                   const SizedBox(height: 16),
-                  TextField(
+                  HoldToRevealPasswordField(
                     controller: newPwController,
-                    obscureText: true,
+                    autofocus: true,
-                    decoration: const InputDecoration(
+                    labelText: '새 비밀번호',
-                      labelText: '새 비밀번호',
+                    prefixIcon: Icons.lock_reset,
-                      border: OutlineInputBorder(),
+                    textInputAction: TextInputAction.done,
-                      prefixIcon: Icon(Icons.lock_reset),
+                    onSubmitted: (_) => submit(),
-                    ),
                   ),
                 ],
               ),
@@ -147,36 +177,7 @@ class _LoginScreenState extends State<LoginScreen> {
                           backgroundColor: AppPalette.ink,
                           foregroundColor: Colors.white,
                         ),
-                        onPressed: () async {
+                        onPressed: submit,
-                          String newPassword = newPwController.text.trim();
-                          if (newPassword.isEmpty) {
-                            AppNotice.show(context, '새 비밀번호를 입력해 주세요.');
-                            return;
-                          }
-
-                          setDialogState(() => isUpdating = true);
-
-                          final (success, message) = await _controller
-                              .changePassword(
-                                studentId: studentId,
-                                newPassword: newPassword,
-                              );
-                          setDialogState(() => isUpdating = false);
-
-                          if (success) {
-                            Navigator.pop(dialogContext);
-                            AppNotice.show(context, message);
-                            _navigateBasedOnRole(
-                              role,
-                              studentId,
-                              name,
-                              isDeviceMatched,
-                              grade,
-                            );
-                          } else {
-                            AppNotice.show(context, message);
-                          }
-                        },
                         child: const Text('변경하고 시작하기'),
                       ),
               ],
@@ -234,6 +235,7 @@ class _LoginScreenState extends State<LoginScreen> {
         content: Text(message),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(ctx),
             child: const Text('확인'),
           ),
@@ -254,9 +256,11 @@ class _LoginScreenState extends State<LoginScreen> {
       builder: (BuildContext dialogContext) {
         return AlertDialog(
           title: Text('$title 권한 인증 (기존 방식)'),
-          content: TextField(
+          content: HoldToRevealPasswordField(
             controller: passwordController,
-            obscureText: true,
+            autofocus: true,
+            labelText: '비밀번호',
+            hintText: '비밀번호 4자리를 입력하세요',
             keyboardType: TextInputType.number,
             textInputAction: TextInputAction.done,
             onSubmitted: (value) {
@@ -270,10 +274,6 @@ class _LoginScreenState extends State<LoginScreen> {
                 AppNotice.show(context, '비밀번호가 올바르지 않습니다.');
               }
             },
-            decoration: const InputDecoration(
-              hintText: '비밀번호 4자리를 입력하세요',
-              border: OutlineInputBorder(),
-            ),
           ),
           actions: [
             TextButton(
@@ -341,16 +341,11 @@ class _LoginScreenState extends State<LoginScreen> {
                       ),
                     ),
                     const SizedBox(height: 16),
-                    TextField(
+                    HoldToRevealPasswordField(
                       controller: _pwController,
-                      obscureText: true,
+                      labelText: '비밀번호',
                       textInputAction: TextInputAction.done,
                       onSubmitted: (_) => _login(),
-                      decoration: const InputDecoration(
-                        labelText: '비밀번호',
-                        border: OutlineInputBorder(),
-                        prefixIcon: Icon(Icons.lock),
-                      ),
                     ),
                     const SizedBox(height: 8),
                     InkWell(

lib/ui/main_dashboard.dart

@@ -7,10 +7,13 @@ import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
 import '../function/dashboard_layout_controller.dart';
+import '../function/profile_shop_controller.dart';
 import '../function/session_store.dart';
 import '../function/student_dashboard_controller.dart';
 import '../models/dashboard_tile_layout.dart';
 import '../theme/app_palette.dart';
+import '../theme/profile_themes.dart';
+import '../theme/theme_sync.dart';
 import 'admin_dashboard.dart';
 import 'app_notice.dart';
 import 'board_home_screen.dart';
@@ -79,6 +82,24 @@ class _MainDashboardState extends State<MainDashboard> {
     if (kTileEditingEnabled) {
       _layout.load(_tileSpecs().map((t) => t.id).toList());
     }
+    if (_isStudent || _isTeacherOrAbove) {
+      _loadEquippedTheme();
+    }
+  }
+
+  // 🛍️ 프로필 꾸미기 상점에서 장착한 템플릿이 몰고 오는 테마 (없으면 기본 모습 그대로).
+  ProfileTheme? _equippedTheme;
+
+  // 🎨 타일 아이콘 등 강조색에 쓸 색 - 테마가 없으면 원래 쓰던 AppPalette.ink.
+  Color get _tileAccent => _equippedTheme?.accent ?? AppPalette.ink;
+
+  Future<void> _loadEquippedTheme() async {
+    final theme = await ProfileShopController.fetchEquippedTheme(_displayId);
+    applyGlobalProfileTheme(theme);
+    if (!mounted) return;
+    setState(() {
+      _equippedTheme = theme;
+    });
   }
 
   @override
@@ -139,6 +160,15 @@ class _MainDashboardState extends State<MainDashboard> {
               const SizedBox(height: 16),
               TextField(
                 controller: idController,
+                autofocus: true,
+                textInputAction: TextInputAction.done,
+                onSubmitted: (value) {
+                  final inputId = value.trim();
+                  if (inputId.isNotEmpty) {
+                    Navigator.pop(context);
+                    _deleteUser(inputId);
+                  }
+                },
                 decoration: InputDecoration(
                   labelText: '학번 또는 교직원 번호',
                   hintText: '예: 201101 또는 T1001',
@@ -277,23 +307,28 @@ class _MainDashboardState extends State<MainDashboard> {
     final List<({String id, Widget child})> tiles = [];
 
     if (_isStudent) {
+      // 🌐 웹은 NFC 하드웨어에 접근할 수 없으니, 등록된 기기가 아닐 때와 똑같이
+      // 잠긴 모양(자물쇠 아이콘 + 회색)으로 보여주고 누르면 안내만 뜨게 한다.
+      final bool nfcUnlocked = widget.isDeviceMatched && !kIsWeb;
       tiles.add((
         id: 'nfc_tag',
         child: _buildModernCard(
-          icon: widget.isDeviceMatched
+          icon: nfcUnlocked ? Icons.contactless_rounded : Icons.lock_rounded,
-              ? Icons.contactless_rounded
-              : Icons.lock_rounded,
           title: 'NFC 태그',
-          subtitle: widget.isDeviceMatched ? '출석 및 폰 수거 완료' : '본인 인증 기기 전용',
+          subtitle: kIsWeb
-          color: widget.isDeviceMatched ? AppPalette.ink : AppPalette.sage,
+              ? '스마트폰 앱 전용 기능'
-          onTap: widget.isDeviceMatched
+              : (widget.isDeviceMatched ? '출석 및 폰 수거 완료' : '본인 인증 기기 전용'),
+          color: nfcUnlocked ? _tileAccent : AppPalette.sage,
+          onTap: nfcUnlocked
               ? () => _openPocketCheckIn(context)
               : () => AppNotice.show(
                   context,
-                  '대리 출석 방지를 위해 등록된 본인 스마트폰에서만 출석 가능합니다.',
+                  kIsWeb
+                      ? 'NFC 태그 기능은 스마트폰 앱에서만 사용할 수 있어요.'
+                      : '대리 출석 방지를 위해 등록된 본인 스마트폰에서만 출석 가능합니다.',
                   icon: Icons.lock_rounded,
                 ),
-          isActionButton: widget.isDeviceMatched,
+          isActionButton: nfcUnlocked,
           isLoading: _controller.isLoading,
         ),
       ));
@@ -303,7 +338,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.fastfood_rounded,
           title: '실시간 학교 상황',
           subtitle: '급식실 줄 & 매점 재고 확인',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => AppNotice.show(
             context,
             '실시간 학교 상황 페이지로 이동합니다.',
@@ -317,7 +352,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.tablet_mac_rounded,
           title: '스마트기기 반출',
           subtitle: '패드 사용 신청 (시간/목적)',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => DeviceCheckoutRequestScreen(
@@ -333,7 +368,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.timer_rounded,
           title: '백품타',
           subtitle: '공부 타이머 | 학년별 공부 랭킹',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => StudyTimerScreen(
@@ -350,7 +385,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.forum_rounded,
           title: '백판',
           subtitle: '익명 커뮤니티 게시판',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => BoardHomeScreen(studentId: _displayId),
@@ -363,7 +398,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.campaign_rounded,
           title: '선생님 호출',
           subtitle: '교무실 위치 확인 및 호출',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => TeacherCallScreen(
@@ -379,7 +414,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.people_alt_rounded,
           title: '친구',
           subtitle: '학번으로 친구 추가',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) =>
@@ -393,7 +428,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.groups_rounded,
           title: '그룹 스터디',
           subtitle: '친구랑 그룹 만들어 같이 공부',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => GroupListScreen(
@@ -410,7 +445,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.calendar_month_rounded,
           title: '출석 달력',
           subtitle: '연속 출석 기록 확인',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => StudyCalendarScreen(studentId: _displayId),
@@ -426,7 +461,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.assignment_turned_in_rounded,
           title: '실시간 출석 확인',
           subtitle: '학생 제출 로그 모니터링',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => const TeacherAttendancePage(),
@@ -439,7 +474,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.manage_accounts_rounded,
           title: '학생 계정 관리',
           subtitle: '계정 추가 및 강제 리셋',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => const TeacherStudentManagementPage(),
@@ -452,7 +487,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.tablet_mac_rounded,
           title: '스마트기기 반출 대장',
           subtitle: '패드 반출 신청 승인/거절',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => DeviceCheckoutLedgerPage(
@@ -468,7 +503,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.shield_outlined,
           title: '백판 신고 검토',
           subtitle: '학생 게시판 신고 처리',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => BoardReportScreen(reviewerId: _displayId),
@@ -481,7 +516,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.event_available_rounded,
           title: '출석 달력 관리',
           subtitle: '날짜별 선물/이벤트 등록',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => StudyCalendarScreen(
@@ -497,7 +532,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.my_location_rounded,
           title: '내 위치 알리기',
           subtitle: '학생 호출 확인 및 위치 등록',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => pushLaunchpad(
             context,
             (context) => TeacherLocationScreen(teacherId: _displayId),
@@ -513,7 +548,7 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.terminal_rounded,
           title: '서버 DB 제어',
           subtitle: '시스템 원격 초기화',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () =>
               pushLaunchpad(context, (context) => const AdminDashboard()),
         ),
@@ -524,19 +559,27 @@ class _MainDashboardState extends State<MainDashboard> {
           icon: Icons.delete_sweep_rounded,
           title: '계정 강제 삭제',
           subtitle: '학생 및 교사 DB 삭제',
-          color: AppPalette.ink,
+          color: _tileAccent,
           onTap: () => _showDeleteUserDialog(context),
         ),
       ));
       tiles.add((
         id: 'nfc_tag_writer',
         child: _buildModernCard(
-          icon: Icons.edit_note_rounded,
+          icon: kIsWeb ? Icons.lock_rounded : Icons.edit_note_rounded,
           title: 'NFC 태그 쓰기',
-          subtitle: '주머니 스티커 초기 설정',
+          subtitle: kIsWeb ? '스마트폰 앱 전용 기능' : '주머니 스티커 초기 설정',
-          color: AppPalette.ink,
+          color: kIsWeb ? AppPalette.sage : _tileAccent,
-          onTap: () =>
+          onTap: kIsWeb
-              pushLaunchpad(context, (context) => const NfcTagWriterScreen()),
+              ? () => AppNotice.show(
+                  context,
+                  'NFC 태그 쓰기는 스마트폰 앱에서만 사용할 수 있어요.',
+                  icon: Icons.lock_rounded,
+                )
+              : () => pushLaunchpad(
+                  context,
+                  (context) => const NfcTagWriterScreen(),
+                ),
         ),
       ));
     }
@@ -596,7 +639,7 @@ class _MainDashboardState extends State<MainDashboard> {
         final bool isEditing = _layout.isEditing;
 
         return Scaffold(
-          backgroundColor: AppPalette.mist,
+          backgroundColor: _equippedTheme?.background ?? AppPalette.mist,
           // 🪶 큰 색상 배너 대신 작은 프로필 카드를 본문에 두므로, 앱바는 ">" 메뉴
           // 버튼(또는 편집 중 "완료" 버튼)만 올려두는 투명한 얇은 바로 둔다.
           appBar: AppBar(
@@ -645,11 +688,22 @@ class _MainDashboardState extends State<MainDashboard> {
                           vertical: 18,
                         ),
                         decoration: BoxDecoration(
-                          color: theme.color,
+                          color: _equippedTheme == null ? theme.color : null,
+                          gradient: _equippedTheme == null
+                              ? null
+                              : LinearGradient(
+                                  begin: Alignment.topLeft,
+                                  end: Alignment.bottomRight,
+                                  colors: [
+                                    _equippedTheme!.primary,
+                                    _equippedTheme!.secondary,
+                                  ],
+                                ),
                           borderRadius: BorderRadius.circular(24),
                           boxShadow: [
                             BoxShadow(
-                              color: theme.color.withValues(alpha: 0.25),
+                              color: (_equippedTheme?.primary ?? theme.color)
+                                  .withValues(alpha: 0.25),
                               blurRadius: 16,
                               offset: const Offset(0, 6),
                             ),
@@ -715,13 +769,19 @@ class _MainDashboardState extends State<MainDashboard> {
                           elevation: 2,
                           child: InkWell(
                             customBorder: const CircleBorder(),
-                            onTap: () => pushLaunchpad(
+                            onTap: () async {
-                              context,
+                              await pushLaunchpad(
-                              (context) => ProfileCustomizeScreen(
+                                context,
-                                studentId: _displayId,
+                                (context) => ProfileCustomizeScreen(
-                                studentName: _displayName,
+                                  studentId: _displayId,
-                              ),
+                                  studentName: _displayName,
-                            ),
+                                ),
+                              );
+                              // 상점에서 테마를 바꾸고 돌아왔을 수 있으니 다시 불러온다.
+                              if (_isStudent || _isTeacherOrAbove) {
+                                _loadEquippedTheme();
+                              }
+                            },
                             child: const Padding(
                               padding: EdgeInsets.all(8),
                               child: Icon(
@@ -763,8 +823,8 @@ class _MainDashboardState extends State<MainDashboard> {
                   ),
                 ),
                 if (isEditing)
-                  const Padding(
+                  Padding(
-                    padding: EdgeInsets.only(top: 8, left: 24, right: 24),
+                    padding: const EdgeInsets.only(top: 8, left: 24, right: 24),
                     child: Text(
                       '타일을 드래그해서 옮기고, 오른쪽 아래 손잡이로 크기를 바꿔보세요.',
                       textAlign: TextAlign.center,
@@ -917,14 +977,14 @@ class _MainDashboardState extends State<MainDashboard> {
                           width: 26,
                           height: 26,
                           decoration: BoxDecoration(
-                            color: AppPalette.ink,
+                            color: _tileAccent,
                             borderRadius: BorderRadius.circular(8),
                             border: Border.all(
                               color: AppPalette.paper,
                               width: 2,
                             ),
                           ),
-                          child: const Icon(
+                          child: Icon(
                             Icons.open_in_full_rounded,
                             size: 14,
                             color: AppPalette.paper,
@@ -984,9 +1044,12 @@ class _MainDashboardState extends State<MainDashboard> {
           child: Ink(
             padding: EdgeInsets.all(cardPadding),
             decoration: BoxDecoration(
-              color: AppPalette.paper,
+              color: _equippedTheme?.surface ?? AppPalette.paper,
               borderRadius: BorderRadius.circular(cardRadius),
-              border: Border.all(color: AppPalette.sage, width: 1),
+              border: Border.all(
+                color: _equippedTheme?.border ?? AppPalette.sage,
+                width: 1,
+              ),
             ),
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
@@ -995,7 +1058,7 @@ class _MainDashboardState extends State<MainDashboard> {
                 Container(
                   padding: EdgeInsets.all(iconBoxPadding),
                   decoration: BoxDecoration(
-                    color: AppPalette.linen,
+                    color: _equippedTheme?.surfaceAlt ?? AppPalette.linen,
                     borderRadius: BorderRadius.circular(iconRadius),
                   ),
                   child: Icon(icon, color: color, size: iconSize),
@@ -1014,7 +1077,9 @@ class _MainDashboardState extends State<MainDashboard> {
                             style: TextStyle(
                               fontSize: titleFontSize,
                               fontWeight: FontWeight.bold,
-                              color: AppPalette.ink,
+                              color:
+                                  _equippedTheme?.onBackground ??
+                                  AppPalette.ink,
                             ),
                           ),
                         ),
@@ -1039,7 +1104,8 @@ class _MainDashboardState extends State<MainDashboard> {
                       overflow: TextOverflow.ellipsis,
                       style: TextStyle(
                         fontSize: subtitleFontSize,
-                        color: AppPalette.ink.withValues(alpha: 0.55),
+                        color: (_equippedTheme?.onBackground ?? AppPalette.ink)
+                            .withValues(alpha: 0.55),
                         height: 1.15,
                       ),
                     ),
@@ -1080,7 +1146,7 @@ class _DashboardMenuCard extends StatelessWidget {
                 label: '로그아웃',
                 onTap: onLogout,
               ),
-              const Divider(height: 1, color: AppPalette.sage),
+              Divider(height: 1, color: AppPalette.sage),
               _MenuRow(
                 icon: Icons.settings_outlined,
                 label: '설정',

lib/ui/nfc_poccket_checkin_screen.dart

@@ -86,6 +86,7 @@ class _NfcPocketCheckInScreenState extends State<NfcPocketCheckInScreen> {
         ),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(context),
             child: const Text("확인"),
           ),
@@ -114,6 +115,7 @@ class _NfcPocketCheckInScreenState extends State<NfcPocketCheckInScreen> {
         ),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () {
               Navigator.pop(context);
               _controller.beginIosProximityWatch(pocketNumber);
@@ -139,6 +141,7 @@ class _NfcPocketCheckInScreenState extends State<NfcPocketCheckInScreen> {
         ),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(context),
             child: const Text("확인"),
           ),

lib/ui/profile_customize_screen.dart

@@ -1,10 +1,14 @@
-// 🎨 프로필 커스텀 화면 (UI 전용). 아직은 자리만 잡아둔 빈 화면 - 프로필 꾸미기
+// 🎨 프로필 커스텀 화면 (UI 전용). 공부시간으로 적립한 캐시로 프로필 카드 테마를
-// 관련 기능들이 여기에 하나씩 추가될 예정이다.
+// 구매/장착하는 상점. 서버 통신/상태는 lib/function/profile_shop_controller.dart가 담당한다.
 import 'package:flutter/material.dart';
+import '../function/profile_shop_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/profile_themes.dart';
+import '../theme/theme_sync.dart';
+import 'app_notice.dart';
 import 'title_pill.dart';
 
-class ProfileCustomizeScreen extends StatelessWidget {
+class ProfileCustomizeScreen extends StatefulWidget {
   final String studentId;
   final String studentName;
 
@@ -14,38 +18,478 @@ class ProfileCustomizeScreen extends StatelessWidget {
     required this.studentName,
   });
 
+  @override
+  State<ProfileCustomizeScreen> createState() => _ProfileCustomizeScreenState();
+}
+
+class _ProfileCustomizeScreenState extends State<ProfileCustomizeScreen> {
+  final ProfileShopController _controller = ProfileShopController();
+
+  // 🚧 첫 버전은 "기본 프로필 꾸미기"만 실제로 동작한다. 나머지 두 카테고리는
+  // 와이어프레임 자리만 잡아둔 준비중 상태.
+  String _selectedCategory = 'basic_profile';
+
+  // 👀 사기 전에도 눌러보면 바로 위 큰 타일이 그 테마로 바뀌어 보이는 미리보기 상태.
+  // null = 아직 직접 고르지 않음(장착된 테마를 그대로 보여줌), -1 = "기본 모습"을 명시적으로 미리보는 중.
+  int? _previewTemplateId;
+
+  @override
+  void initState() {
+    super.initState();
+    _initialize();
+  }
+
+  /// 상점 화면을 열 때마다 서버의 실제 장착 상태로 전역 테마를 다시 맞춰둔다
+  /// (딴 데서 장착 상태가 바뀌었을 수도 있는 엣지 케이스 보호용).
+  Future<void> _initialize() async {
+    await _controller.loadCatalog(widget.studentId);
+    if (!mounted) return;
+    for (final t in _controller.templates) {
+      if (t.equipped) {
+        _syncGlobalTheme(t.id);
+        return;
+      }
+    }
+    _syncGlobalTheme(null);
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  /// 지금 큰 타일에 보여줄 템플릿을 고른다. 직접 미리보기를 누른 게 있으면 그걸,
+  /// 없으면 실제 장착 중인 템플릿을, 그마저도 없으면 null(기본 모습)을 돌려준다.
+  ShopTemplate? _resolvePreviewTemplate() {
+    if (_previewTemplateId == -1) return null;
+    if (_previewTemplateId != null) {
+      for (final t in _controller.templates) {
+        if (t.id == _previewTemplateId) return t;
+      }
+    }
+    for (final t in _controller.templates) {
+      if (t.equipped) return t;
+    }
+    return null;
+  }
+
+  /// 🎨 지금 "체험하기/미리보기" 중인 테마로 화면 전체(배경/타일/버튼)를 물들인다.
+  /// 아무것도 직접 고르지 않았으면 실제 장착된 테마가 그대로 나오고, "기본 모습"을
+  /// 고르면 null이 되어 화면이 원래 모습으로 돌아간다 - 체험하기를 누르면 바로
+  /// 커스텀 화면 전체에 반영되는 효과를 _resolvePreviewTemplate() 하나로 처리한다.
+  ProfileTheme? get _displayTheme {
+    final preview = _resolvePreviewTemplate();
+    return preview == null ? null : profileThemes[preview.code];
+  }
+
+  Future<void> _handlePurchase(ShopTemplate template) async {
+    setState(() => _previewTemplateId = template.id);
+    final (success, message) = await _controller.purchase(
+      widget.studentId,
+      template.id,
+    );
+    if (!mounted) return;
+    AppNotice.show(
+      context,
+      message,
+      color: success ? AppPalette.success : AppPalette.danger,
+    );
+  }
+
+  Future<void> _handleEquip(int? templateId) async {
+    setState(() => _previewTemplateId = templateId ?? -1);
+    final (success, message) = await _controller.equip(
+      widget.studentId,
+      templateId,
+    );
+    if (success) _syncGlobalTheme(templateId);
+    if (!mounted) return;
+    AppNotice.show(
+      context,
+      message,
+      color: success ? AppPalette.approved : AppPalette.danger,
+    );
+  }
+
+  /// 💡 커스텀창 안에서의 "미리보기"와 달리, 실제로 장착이 끝난 뒤에는 앱 전체
+  /// (TitlePill, 다른 화면의 배경/카드색)도 같이 바뀌도록 전역에 반영한다.
+  void _syncGlobalTheme(int? equippedTemplateId) {
+    if (equippedTemplateId == null) {
+      applyGlobalProfileTheme(null);
+      return;
+    }
+    for (final t in _controller.templates) {
+      if (t.id == equippedTemplateId) {
+        applyGlobalProfileTheme(profileThemes[t.code]);
+        return;
+      }
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: AppPalette.mist,
+      backgroundColor: _displayTheme?.background ?? AppPalette.mist,
       appBar: AppBar(
         backgroundColor: Colors.transparent,
         foregroundColor: AppPalette.ink,
         elevation: 0,
         centerTitle: true,
-        title: const TitlePill('프로필 꾸미기'),
+        title: TitlePill('프로필 꾸미기', previewTheme: _displayTheme),
       ),
-      body: Center(
+      body: ListenableBuilder(
-        child: Padding(
+        listenable: _controller,
-          padding: const EdgeInsets.all(24),
+        builder: (context, _) {
+          return Center(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(maxWidth: 720),
+              child: RefreshIndicator(
+                onRefresh: () => _controller.loadCatalog(widget.studentId),
+                child: ListView(
+                  padding: const EdgeInsets.all(20),
+                  children: [
+                    _buildCashBalance(),
+                    const SizedBox(height: 20),
+                    _buildCategoryTiles(),
+                    const SizedBox(height: 24),
+                    if (_controller.isLoading)
+                      const Padding(
+                        padding: EdgeInsets.symmetric(vertical: 40),
+                        child: Center(child: CircularProgressIndicator()),
+                      )
+                    else
+                      _buildTemplateGrid(),
+                  ],
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
+  Widget _buildCashBalance() {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+      decoration: BoxDecoration(
+        color: _displayTheme?.secondary ?? AppPalette.ink,
+        borderRadius: BorderRadius.circular(18),
+      ),
+      child: Row(
+        children: [
+          const Icon(Icons.savings_rounded, color: Colors.white, size: 22),
+          const SizedBox(width: 10),
+          const Text(
+            '보유 캐시',
+            style: TextStyle(color: Colors.white70, fontSize: 13),
+          ),
+          const Spacer(),
+          Text(
+            '${_controller.cashBalance} 캐시',
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 18,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildCategoryTiles() {
+    final previewTemplate = _resolvePreviewTemplate();
+    // 📏 ListView(스크롤 영역) 안에서는 높이가 정해져 있지 않아 Row에
+    // stretch 정렬만 주면 자식 크기 계산이 깨진다. SizedBox로 높이를 못박아둔다.
+    return SizedBox(
+      height: 210,
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          Expanded(
+            flex: 3,
+            child: _CategoryTile(
+              title: '기본 프로필 꾸미기',
+              icon: Icons.person_rounded,
+              selected: _selectedCategory == 'basic_profile',
+              enabled: true,
+              onTap: () => setState(() => _selectedCategory = 'basic_profile'),
+              previewPrimary: previewTemplate?.primaryColor,
+              previewSecondary: previewTemplate?.secondaryColor,
+            ),
+          ),
+          const SizedBox(width: 12),
+          Expanded(
+            flex: 4,
+            child: Column(
+              children: [
+                Expanded(
+                  child: _CategoryTile(
+                    title: '랭킹 · 친구창 배경',
+                    subtitle: '준비중',
+                    icon: Icons.leaderboard_rounded,
+                    selected: false,
+                    enabled: false,
+                    onTap: null,
+                    theme: _displayTheme,
+                  ),
+                ),
+                const SizedBox(height: 12),
+                Expanded(
+                  child: _CategoryTile(
+                    title: '출석 · 그룹창 표시',
+                    subtitle: '준비중',
+                    icon: Icons.groups_rounded,
+                    selected: false,
+                    enabled: false,
+                    onTap: null,
+                    theme: _displayTheme,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildTemplateGrid() {
+    final templates = _controller.templates
+        .where((t) => t.category == _selectedCategory)
+        .toList();
+    final hasEquippedTemplate = templates.any((t) => t.equipped);
+    final previewId = _resolvePreviewTemplate()?.id; // null이면 "기본 모습"을 미리보는 중.
+
+    return GridView.count(
+      crossAxisCount: 2,
+      shrinkWrap: true,
+      physics: const NeverScrollableScrollPhysics(),
+      mainAxisSpacing: 12,
+      crossAxisSpacing: 12,
+      childAspectRatio: 1.15,
+      children: [
+        _DefaultTemplateTile(
+          equipped: !hasEquippedTemplate,
+          previewing: previewId == null,
+          theme: _displayTheme,
+          onEquip: () => _handleEquip(null),
+          onPreview: () => setState(() => _previewTemplateId = -1),
+        ),
+        for (final template in templates)
+          _TemplateTile(
+            template: template,
+            canAfford: _controller.cashBalance >= template.price,
+            previewing: previewId == template.id,
+            theme: _displayTheme,
+            onPurchase: () => _handlePurchase(template),
+            onEquip: () => _handleEquip(template.id),
+            onPreview: () => setState(() => _previewTemplateId = template.id),
+          ),
+      ],
+    );
+  }
+}
+
+class _CategoryTile extends StatelessWidget {
+  final String title;
+  final String? subtitle;
+  final IconData icon;
+  final bool selected;
+  final bool enabled;
+  final VoidCallback? onTap;
+  // 👀 미리보기 중인 테마 색상 - selected일 때만 의미가 있다 (기본 프로필 타일 전용).
+  final Color? previewPrimary;
+  final Color? previewSecondary;
+  // 🚧 "준비중" 비활성 타일의 은은한 틴트용 - 커스텀창의 체험하기 미리보기를 따라간다.
+  final ProfileTheme? theme;
+
+  const _CategoryTile({
+    required this.title,
+    this.subtitle,
+    required this.icon,
+    required this.selected,
+    required this.enabled,
+    required this.onTap,
+    this.previewPrimary,
+    this.previewSecondary,
+    this.theme,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final bool hasPreview = selected && previewPrimary != null;
+    return Material(
+      color: hasPreview
+          ? Colors.transparent
+          : (selected
+                ? AppPalette.ink
+                : (enabled
+                      ? AppPalette.paper
+                      : (theme?.surfaceAlt ?? AppPalette.linen))),
+      borderRadius: BorderRadius.circular(20),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(20),
+        onTap: onTap,
+        child: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
+          decoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(20),
+            gradient: hasPreview
+                ? LinearGradient(
+                    begin: Alignment.topLeft,
+                    end: Alignment.bottomRight,
+                    colors: [previewPrimary!, previewSecondary!],
+                  )
+                : null,
+            border: Border.all(
+              color: hasPreview
+                  ? previewSecondary!
+                  : (selected
+                        ? AppPalette.ink
+                        : (theme?.border ?? AppPalette.sage)),
+              width: hasPreview ? 2 : 1,
+            ),
+          ),
           child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            mainAxisAlignment: MainAxisAlignment.center,
             mainAxisSize: MainAxisSize.min,
             children: [
-              const Icon(
+              Icon(
-                Icons.auto_awesome_rounded,
+                icon,
-                size: 48,
+                size: 22,
-                color: AppPalette.ink,
+                color: selected
+                    ? Colors.white
+                    : (enabled ? AppPalette.ink : Colors.grey),
               ),
-              const SizedBox(height: 16),
+              const SizedBox(height: 8),
-              const Text(
-                '곧 다양한 프로필 커스텀 기능이 추가될 예정이에요.',
-                textAlign: TextAlign.center,
-                style: TextStyle(fontWeight: FontWeight.bold, fontSize: 15),
-              ),
-              const SizedBox(height: 6),
               Text(
-                '$studentName ($studentId)',
+                title,
-                style: const TextStyle(color: Colors.grey),
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+                style: TextStyle(
+                  fontWeight: FontWeight.bold,
+                  fontSize: 13,
+                  color: selected
+                      ? Colors.white
+                      : (enabled ? AppPalette.ink : Colors.grey[600]),
+                ),
+              ),
+              if (subtitle != null) ...[
+                const SizedBox(height: 2),
+                Text(
+                  subtitle!,
+                  maxLines: 1,
+                  overflow: TextOverflow.ellipsis,
+                  style: TextStyle(fontSize: 10, color: Colors.grey[500]),
+                ),
+              ],
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _DefaultTemplateTile extends StatelessWidget {
+  final bool equipped;
+  final bool previewing;
+  final ProfileTheme? theme;
+  final VoidCallback onEquip;
+  final VoidCallback onPreview;
+
+  const _DefaultTemplateTile({
+    required this.equipped,
+    required this.previewing,
+    required this.theme,
+    required this.onEquip,
+    required this.onPreview,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final onBackground = theme?.onBackground ?? AppPalette.ink;
+    final borderColor = equipped
+        ? AppPalette.approved
+        : (previewing ? onBackground : (theme?.border ?? AppPalette.sage));
+    final borderWidth = equipped || previewing ? 2.0 : 1.0;
+
+    return Material(
+      color: theme?.surface ?? AppPalette.paper,
+      borderRadius: BorderRadius.circular(18),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(18),
+        onTap: onPreview,
+        child: Container(
+          padding: const EdgeInsets.all(14),
+          decoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(18),
+            border: Border.all(color: borderColor, width: borderWidth),
+          ),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Expanded(
+                child: Container(
+                  width: double.infinity,
+                  decoration: BoxDecoration(
+                    color: AppPalette.ink,
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+              ),
+              const SizedBox(height: 10),
+              Row(
+                children: [
+                  Expanded(
+                    child: Text(
+                      '기본 모습',
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 13,
+                        color: onBackground,
+                      ),
+                    ),
+                  ),
+                  if (previewing && !equipped)
+                    Text(
+                      '미리보기',
+                      style: TextStyle(
+                        fontSize: 10,
+                        fontWeight: FontWeight.bold,
+                        color: onBackground,
+                      ),
+                    ),
+                ],
+              ),
+              const SizedBox(height: 8),
+              SizedBox(
+                width: double.infinity,
+                child: equipped
+                    ? OutlinedButton(
+                        onPressed: null,
+                        style: OutlinedButton.styleFrom(
+                          foregroundColor: AppPalette.approved,
+                          side: const BorderSide(color: AppPalette.approved),
+                        ),
+                        child: const Text('장착중'),
+                      )
+                    : OutlinedButton(
+                        onPressed: onEquip,
+                        style: OutlinedButton.styleFrom(
+                          foregroundColor: theme?.accent,
+                          side: theme == null
+                              ? null
+                              : BorderSide(color: theme!.accent),
+                        ),
+                        child: const Text('장착하기'),
+                      ),
               ),
             ],
           ),
@@ -54,3 +498,156 @@ class ProfileCustomizeScreen extends StatelessWidget {
     );
   }
 }
+
+class _TemplateTile extends StatelessWidget {
+  final ShopTemplate template;
+  final bool canAfford;
+  final bool previewing;
+  final ProfileTheme? theme;
+  final VoidCallback onPurchase;
+  final VoidCallback onEquip;
+  final VoidCallback onPreview;
+
+  const _TemplateTile({
+    required this.template,
+    required this.canAfford,
+    required this.previewing,
+    required this.theme,
+    required this.onPurchase,
+    required this.onEquip,
+    required this.onPreview,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final onBackground = theme?.onBackground ?? AppPalette.ink;
+    final borderColor = template.equipped
+        ? AppPalette.approved
+        : (previewing ? onBackground : (theme?.border ?? AppPalette.sage));
+    final borderWidth = template.equipped || previewing ? 2.0 : 1.0;
+
+    return Material(
+      color: theme?.surface ?? AppPalette.paper,
+      borderRadius: BorderRadius.circular(18),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(18),
+        onTap: onPreview,
+        child: Container(
+          padding: const EdgeInsets.all(14),
+          decoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(18),
+            border: Border.all(color: borderColor, width: borderWidth),
+          ),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Expanded(
+                child: Container(
+                  width: double.infinity,
+                  decoration: BoxDecoration(
+                    gradient: LinearGradient(
+                      begin: Alignment.topLeft,
+                      end: Alignment.bottomRight,
+                      colors: [template.primaryColor, template.secondaryColor],
+                    ),
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+              ),
+              const SizedBox(height: 10),
+              Row(
+                children: [
+                  Expanded(
+                    child: Text(
+                      template.name,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 13,
+                        color: onBackground,
+                      ),
+                    ),
+                  ),
+                  if (previewing && !template.equipped)
+                    Text(
+                      '미리보기',
+                      style: TextStyle(
+                        fontSize: 10,
+                        fontWeight: FontWeight.bold,
+                        color: onBackground,
+                      ),
+                    ),
+                ],
+              ),
+              const SizedBox(height: 2),
+              Text(
+                '${template.price} 캐시',
+                style: TextStyle(
+                  fontSize: 12,
+                  color: onBackground.withValues(alpha: 0.6),
+                ),
+              ),
+              const SizedBox(height: 8),
+              if (template.equipped)
+                SizedBox(
+                  width: double.infinity,
+                  child: OutlinedButton(
+                    onPressed: null,
+                    style: OutlinedButton.styleFrom(
+                      foregroundColor: AppPalette.approved,
+                      side: const BorderSide(color: AppPalette.approved),
+                    ),
+                    child: const Text('장착중'),
+                  ),
+                )
+              else if (template.owned)
+                SizedBox(
+                  width: double.infinity,
+                  child: OutlinedButton(
+                    onPressed: onEquip,
+                    style: OutlinedButton.styleFrom(
+                      foregroundColor: theme?.accent,
+                      side: theme == null
+                          ? null
+                          : BorderSide(color: theme!.accent),
+                    ),
+                    child: const Text('장착하기'),
+                  ),
+                )
+              else
+                Row(
+                  children: [
+                    Expanded(
+                      child: OutlinedButton(
+                        onPressed: onPreview,
+                        style: OutlinedButton.styleFrom(
+                          foregroundColor: theme?.accent,
+                          side: theme == null
+                              ? null
+                              : BorderSide(color: theme!.accent),
+                        ),
+                        child: const Text('체험하기'),
+                      ),
+                    ),
+                    const SizedBox(width: 8),
+                    Expanded(
+                      child: ElevatedButton(
+                        onPressed: canAfford ? onPurchase : null,
+                        style: ElevatedButton.styleFrom(
+                          backgroundColor: theme?.secondary ?? AppPalette.ink,
+                          foregroundColor: Colors.white,
+                          disabledBackgroundColor: AppPalette.sage,
+                        ),
+                        child: const Text('구매하기'),
+                      ),
+                    ),
+                  ],
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/ui/study_calendar_screen.dart

@@ -4,6 +4,7 @@
 import 'package:flutter/material.dart';
 import '../function/study_calendar_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -58,6 +59,7 @@ class _StudyCalendarScreenState extends State<StudyCalendarScreen> {
             ),
             actions: [
               TextButton(
+                autofocus: true,
                 onPressed: () => Navigator.pop(dialogContext),
                 child: const Text('닫기'),
               ),
@@ -152,7 +154,8 @@ class _StudyCalendarScreenState extends State<StudyCalendarScreen> {
                   Expanded(
                     child: ElevatedButton(
                       style: ElevatedButton.styleFrom(
-                        backgroundColor: AppPalette.ink,
+                        backgroundColor:
+                            globalProfileTheme.value?.accent ?? AppPalette.ink,
                         foregroundColor: AppPalette.paper,
                       ),
                       onPressed: () async {
@@ -310,18 +313,16 @@ class _StudyCalendarScreenState extends State<StudyCalendarScreen> {
                             date.month == today.month &&
                             date.day == today.day;
 
+                        final accentColor =
+                            globalProfileTheme.value?.accent ?? AppPalette.ink;
                         return GestureDetector(
                           onTap: () => _onDayTap(date),
                           child: Container(
                             decoration: BoxDecoration(
-                              color: studied
+                              color: studied ? accentColor : AppPalette.paper,
-                                  ? AppPalette.ink
-                                  : AppPalette.paper,
                               borderRadius: BorderRadius.circular(12),
                               border: Border.all(
-                                color: isToday
+                                color: isToday ? accentColor : AppPalette.sage,
-                                    ? AppPalette.ink
-                                    : AppPalette.sage,
                                 width: isToday ? 2 : 1,
                               ),
                             ),
@@ -359,7 +360,10 @@ class _StudyCalendarScreenState extends State<StudyCalendarScreen> {
                     const SizedBox(height: 16),
                     Row(
                       children: [
-                        _legendDot(AppPalette.ink, '공부한 날'),
+                        _legendDot(
+                          globalProfileTheme.value?.accent ?? AppPalette.ink,
+                          '공부한 날',
+                        ),
                         const SizedBox(width: 16),
                         _legendIcon(
                           Icons.card_giftcard_rounded,

lib/ui/study_timer_screen.dart

@@ -2,9 +2,11 @@
 // 서버 통신/상태는 lib/function/study_timer_controller.dart가 담당한다.
 import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import '../function/browser_notification.dart';
 import '../function/study_timer_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'launchpad_transition.dart';
 import 'study_preset_screen.dart';
@@ -31,6 +33,9 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
     with WidgetsBindingObserver {
   late final StudyTimerController _controller;
   Timer? _awayTimer;
+  // ⌨️ 스페이스바로 시작/일시정지를 토글하기 위한 포커스 노드. 모달(뽀모도로 설정 등)이
+  // 닫히면 포커스를 다시 여기로 돌려줘야 스페이스바가 계속 먹힌다.
+  final FocusNode _keyboardFocusNode = FocusNode();
 
   @override
   void initState() {
@@ -89,9 +94,34 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
     WidgetsBinding.instance.removeObserver(this);
     _awayTimer?.cancel();
     _controller.dispose();
+    _keyboardFocusNode.dispose();
     super.dispose();
   }
 
+  /// ⌨️ 스페이스바 입력 처리 - 멈춰있으면 시작, 돌아가고 있으면 일시정지,
+  /// 일시정지 중이면 재개. 뽀모도로가 자동으로 공부↔휴식을 전환하는 중에는
+  /// 화면에서도 수동 일시정지/재개 버튼을 숨기므로 스페이스바도 똑같이 막는다.
+  void _handleSpacePress() {
+    if (_controller.isBusy) return;
+    if (_controller.isIdle) {
+      requestNotificationPermission();
+      _runAction(_controller.start);
+      return;
+    }
+    if (_controller.pomodoroEnabled && _controller.phase != null) {
+      return;
+    }
+    if (_controller.isRunning) {
+      _runAction(_controller.pause);
+    } else if (_controller.isPaused) {
+      _runAction(_controller.resume);
+    }
+  }
+
+  // 🛍️ 장착한 템플릿의 강조색 - 시작/재개처럼 "중립" 상태의 버튼/텍스트에만 쓴다.
+  // 일시정지(warning)/종료(danger) 같은 경고성 색은 의미가 있어서 그대로 둔다.
+  Color get _accentColor => globalProfileTheme.value?.accent ?? AppPalette.ink;
+
   String _formatHMS(int totalSeconds) {
     final h = totalSeconds ~/ 3600;
     final m = (totalSeconds % 3600) ~/ 60;
@@ -275,6 +305,8 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
         );
       },
     );
+    // 모달이 닫히면 스페이스바 토글이 다시 먹히도록 포커스를 돌려준다.
+    _keyboardFocusNode.requestFocus();
   }
 
   Widget _minuteStepper({
@@ -336,91 +368,103 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
       builder: (context, _) {
         final bool isRunning = _controller.isRunning;
         final bool isPaused = _controller.isPaused;
-        return Scaffold(
+        return Focus(
-          backgroundColor: AppPalette.mist,
+          focusNode: _keyboardFocusNode,
-          appBar: AppBar(
+          autofocus: true,
-            backgroundColor: Colors.transparent,
+          onKeyEvent: (node, event) {
-            foregroundColor: AppPalette.ink,
+            if (event is KeyDownEvent &&
-            elevation: 0,
+                event.logicalKey == LogicalKeyboardKey.space) {
-            centerTitle: true,
+              _handleSpacePress();
-            title: const TitlePill('백품타'),
+              return KeyEventResult.handled;
-            actions: [
+            }
-              IconButton(
+            return KeyEventResult.ignored;
-                icon: const Icon(Icons.tune_rounded),
+          },
-                tooltip: '뽀모도로 설정',
+          child: Scaffold(
-                onPressed: _showPomodoroSettings,
+            backgroundColor: AppPalette.mist,
-              ),
+            appBar: AppBar(
-              IconButton(
+              backgroundColor: Colors.transparent,
-                icon: const Icon(Icons.leaderboard_rounded),
+              foregroundColor: AppPalette.ink,
-                tooltip: '학년 랭킹',
+              elevation: 0,
-                onPressed: _openRanking,
+              centerTitle: true,
-              ),
+              title: const TitlePill('백품타'),
-            ],
+              actions: [
-          ),
+                IconButton(
-          body: _controller.isLoading
+                  icon: const Icon(Icons.tune_rounded),
-              ? const Center(child: CircularProgressIndicator())
+                  tooltip: '뽀모도로 설정',
-              : Center(
+                  onPressed: _showPomodoroSettings,
-                  child: SingleChildScrollView(
+                ),
-                    padding: const EdgeInsets.all(24),
+                IconButton(
-                    child: Column(
+                  icon: const Icon(Icons.leaderboard_rounded),
-                      mainAxisSize: MainAxisSize.min,
+                  tooltip: '학년 랭킹',
-                      children: [
+                  onPressed: _openRanking,
-                        Text(
+                ),
-                          _statusLabel(isRunning, isPaused),
+              ],
-                          style: const TextStyle(
+            ),
-                            fontSize: 15,
+            body: _controller.isLoading
-                            color: Colors.grey,
+                ? const Center(child: CircularProgressIndicator())
-                          ),
+                : Center(
-                        ),
+                    child: SingleChildScrollView(
-                        if (_controller.pomodoroEnabled &&
+                      padding: const EdgeInsets.all(24),
-                            _controller.phase != null) ...[
+                      child: Column(
-                          const SizedBox(height: 4),
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
                           Text(
-                            '${_controller.phase == PomodoroPhase.study ? '다음 휴식까지' : '다음 공부까지'} '
+                            _statusLabel(isRunning, isPaused),
-                            '${_formatMinSec(_controller.phaseSecondsLeft)} · '
-                            '완료 ${_controller.completedCycles}회',
                             style: const TextStyle(
-                              fontSize: 12.5,
+                              fontSize: 15,
                               color: Colors.grey,
-                              fontWeight: FontWeight.w600,
                             ),
                           ),
-                        ],
+                          if (_controller.pomodoroEnabled &&
-                        const SizedBox(height: 12),
+                              _controller.phase != null) ...[
-                        Text(
+                            const SizedBox(height: 4),
-                          _formatHMS(_controller.liveElapsedSeconds),
+                            Text(
-                          style: TextStyle(
+                              '${_controller.phase == PomodoroPhase.study ? '다음 휴식까지' : '다음 공부까지'} '
-                            fontSize: 52,
+                              '${_formatMinSec(_controller.phaseSecondsLeft)} · '
-                            fontWeight: FontWeight.bold,
+                              '완료 ${_controller.completedCycles}회',
-                            color: isPaused ? Colors.grey : AppPalette.ink,
+                              style: const TextStyle(
-                          ),
+                                fontSize: 12.5,
-                        ),
+                                color: Colors.grey,
-                        const SizedBox(height: 36),
+                                fontWeight: FontWeight.w600,
-                        _buildActionButtons(isRunning, isPaused),
+                              ),
-                        const SizedBox(height: 40),
-                        Row(
-                          mainAxisAlignment: MainAxisAlignment.center,
-                          children: [
-                            _statBox(
-                              '오늘',
-                              _formatHM(_controller.todaySecondsLive),
-                            ),
-                            const SizedBox(width: 12),
-                            _statBox(
-                              '이번주',
-                              _formatHM(_controller.weekSecondsLive),
-                            ),
-                            const SizedBox(width: 12),
-                            _statBox(
-                              '전체',
-                              _formatHM(_controller.totalSecondsLive),
                             ),
                           ],
-                        ),
+                          const SizedBox(height: 12),
-                      ],
+                          Text(
+                            _formatHMS(_controller.liveElapsedSeconds),
+                            style: TextStyle(
+                              fontSize: 52,
+                              fontWeight: FontWeight.bold,
+                              color: isPaused ? Colors.grey : _accentColor,
+                            ),
+                          ),
+                          const SizedBox(height: 36),
+                          _buildActionButtons(isRunning, isPaused),
+                          const SizedBox(height: 40),
+                          Row(
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: [
+                              _statBox(
+                                '오늘',
+                                _formatHM(_controller.todaySecondsLive),
+                              ),
+                              const SizedBox(width: 12),
+                              _statBox(
+                                '이번주',
+                                _formatHM(_controller.weekSecondsLive),
+                              ),
+                              const SizedBox(width: 12),
+                              _statBox(
+                                '전체',
+                                _formatHM(_controller.totalSecondsLive),
+                              ),
+                            ],
+                          ),
+                        ],
+                      ),
                     ),
                   ),
-                ),
+          ),
         );
       },
     );
@@ -432,7 +476,7 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
         size: 140,
         icon: Icons.play_arrow_rounded,
         label: _controller.pomodoroEnabled ? '뽀모도로 시작' : '공부 시작',
-        color: AppPalette.ink,
+        color: _accentColor,
         onTap: () {
           requestNotificationPermission();
           _runAction(_controller.start);
@@ -456,7 +500,7 @@ class _StudyTimerScreenState extends State<StudyTimerScreen>
           size: 110,
           icon: isPaused ? Icons.play_arrow_rounded : Icons.pause_rounded,
           label: isPaused ? '재개' : '일시정지',
-          color: isPaused ? AppPalette.ink : AppPalette.warning,
+          color: isPaused ? _accentColor : AppPalette.warning,
           onTap: () =>
               _runAction(isPaused ? _controller.resume : _controller.pause),
         ),

lib/ui/teacher_attendance_page.dart

@@ -75,6 +75,7 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
             child: const Text('취소'),
           ),
           ElevatedButton(
+            autofocus: true,
             onPressed: () {
               Navigator.pop(context);
               _runAction(() => _controller.resetTestPermissions());
@@ -98,7 +99,14 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
         title: Text('$studentName 학생 반출 허용'),
         content: TextField(
           controller: controller,
+          autofocus: true,
           keyboardType: TextInputType.number,
+          textInputAction: TextInputAction.done,
+          onSubmitted: (value) {
+            final minutes = int.tryParse(value.trim()) ?? 5;
+            Navigator.pop(context);
+            _runAction(() => _controller.allowRemoval(studentId, minutes));
+          },
           decoration: const InputDecoration(
             labelText: '허용 시간 (분)',
             border: OutlineInputBorder(),
@@ -139,7 +147,14 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
             const SizedBox(height: 16),
             TextField(
               controller: controller,
+              autofocus: true,
               keyboardType: TextInputType.number,
+              textInputAction: TextInputAction.done,
+              onSubmitted: (value) {
+                final minutes = int.tryParse(value.trim()) ?? 10;
+                Navigator.pop(context);
+                _runAction(() => _controller.setPermissionWindow(minutes));
+              },
               decoration: const InputDecoration(
                 labelText: '지금부터 허용 시간 (분)',
                 border: OutlineInputBorder(),
@@ -180,6 +195,7 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
             child: const Text('취소'),
           ),
           ElevatedButton(
+            autofocus: true,
             onPressed: () {
               Navigator.pop(context);
               _runAction(() => _controller.dismissAll());
@@ -905,25 +921,25 @@ class _TimeSettingsMenuCard extends StatelessWidget {
                 label: '새로고침',
                 onTap: () => onPick('refresh'),
               ),
-              const Divider(height: 1, color: AppPalette.sage),
+              Divider(height: 1, color: AppPalette.sage),
               _TimeMenuRow(
                 icon: Icons.access_time_rounded,
                 label: attendanceTimeLabel,
                 onTap: () => onPick('attendance_time'),
               ),
-              const Divider(height: 1, color: AppPalette.sage),
+              Divider(height: 1, color: AppPalette.sage),
               _TimeMenuRow(
                 icon: Icons.timer_outlined,
                 label: '반출 허용 시간 설정',
                 onTap: () => onPick('permission_window'),
               ),
-              const Divider(height: 1, color: AppPalette.sage),
+              Divider(height: 1, color: AppPalette.sage),
               _TimeMenuRow(
                 icon: Icons.school_rounded,
                 label: '하교 처리',
                 onTap: () => onPick('dismissal'),
               ),
-              const Divider(height: 1, color: AppPalette.sage),
+              Divider(height: 1, color: AppPalette.sage),
               _TimeMenuRow(
                 icon: Icons.bug_report_outlined,
                 label: '테스트용: 허용시간 초기화',

lib/ui/teacher_call_screen.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import '../data/teacher_call_schedule.dart';
 import '../function/teacher_call_controller.dart';
 import '../theme/app_palette.dart';
+import '../theme/theme_sync.dart';
 import 'app_notice.dart';
 import 'title_pill.dart';
 
@@ -30,6 +31,9 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
   final _customPurposeController = TextEditingController();
   bool _useCustomPurpose = false;
 
+  // 🛍️ 장착한 템플릿의 강조색 - 선택된 칩/버튼처럼 "중립" 요소에만 쓴다.
+  Color get _accentColor => globalProfileTheme.value?.accent ?? AppPalette.ink;
+
   @override
   void initState() {
     super.initState();
@@ -150,7 +154,7 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
                           style: ElevatedButton.styleFrom(
                             backgroundColor: _selectedTeacherId == null
                                 ? Colors.grey
-                                : AppPalette.ink,
+                                : _accentColor,
                             foregroundColor: AppPalette.paper,
                             padding: const EdgeInsets.symmetric(vertical: 16),
                             shape: RoundedRectangleBorder(
@@ -226,7 +230,7 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
           width: 4,
           height: 16,
           decoration: BoxDecoration(
-            color: AppPalette.ink,
+            color: _accentColor,
             borderRadius: BorderRadius.circular(2),
           ),
         ),
@@ -318,11 +322,9 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
       child: Container(
         padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 16),
         decoration: BoxDecoration(
-          color: selected ? AppPalette.ink : AppPalette.paper,
+          color: selected ? _accentColor : AppPalette.paper,
           borderRadius: BorderRadius.circular(28),
-          border: Border.all(
+          border: Border.all(color: selected ? _accentColor : AppPalette.sage),
-            color: selected ? AppPalette.ink : AppPalette.sage,
-          ),
         ),
         child: Text(
           label,
@@ -376,7 +378,7 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
         final location = t['location'] ?? '교무실';
         final isSelected = _selectedTeacherId == t['teacherId'];
         final inClass = _controller.isInClassNow(name);
-        final statusColor = inClass ? AppPalette.warning : AppPalette.ink;
+        final statusColor = inClass ? AppPalette.warning : _accentColor;
 
         return GestureDetector(
           onTap: () => setState(() {
@@ -386,10 +388,10 @@ class _TeacherCallScreenState extends State<TeacherCallScreen> {
           child: Container(
             padding: const EdgeInsets.all(12),
             decoration: BoxDecoration(
-              color: isSelected ? AppPalette.ink : AppPalette.paper,
+              color: isSelected ? _accentColor : AppPalette.paper,
               borderRadius: BorderRadius.circular(20),
               border: Border.all(
-                color: isSelected ? AppPalette.ink : AppPalette.sage,
+                color: isSelected ? _accentColor : AppPalette.sage,
               ),
               boxShadow: [
                 BoxShadow(

lib/ui/teacher_student_management_page.dart

@@ -150,6 +150,7 @@ class _TeacherStudentManagementPageState
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           ElevatedButton(
+            autofocus: true,
             onPressed: () {
               Navigator.pop(context);
               _runBulkImport(rows);
@@ -236,6 +237,7 @@ class _TeacherStudentManagementPageState
         ),
         actions: [
           TextButton(
+            autofocus: true,
             onPressed: () => Navigator.pop(context),
             child: const Text('확인'),
           ),
@@ -296,6 +298,7 @@ class _TeacherStudentManagementPageState
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           ElevatedButton(
+            autofocus: true,
             style: ElevatedButton.styleFrom(
               backgroundColor: AppPalette.ink,
               foregroundColor: AppPalette.paper,
@@ -341,6 +344,7 @@ class _TeacherStudentManagementPageState
             child: const Text('취소', style: TextStyle(color: Colors.grey)),
           ),
           ElevatedButton(
+            autofocus: true,
             style: ElevatedButton.styleFrom(
               backgroundColor: AppPalette.danger,
               foregroundColor: Colors.white,

lib/ui/title_pill.dart

@@ -1,32 +1,46 @@
 // 🪶 검정 AppBar 대신 쓰는 둥근 제목 알약. 모든 화면이 똑같은 폰트/크기를 쓰고,
 // 화면 맨 위에 딱 붙어 보이지 않도록 위쪽에 살짝 여백을 둔다.
+// 🛍️ 프로필 꾸미기 템플릿을 장착하면 이 알약 배경도 같이 바뀐다 - 앱 전체가
+// 공유하는 위젯이라 여기 하나만 고치면 모든 화면의 제목 배경이 한번에 바뀐다.
 import 'package:flutter/material.dart';
 import '../theme/app_palette.dart';
+import '../theme/profile_themes.dart';
+import '../theme/theme_sync.dart';
 
 class TitlePill extends StatelessWidget {
   final String text;
 
-  const TitlePill(this.text, {super.key});
+  /// 🎨 프로필 꾸미기 화면의 "체험하기" 미리보기처럼, 이 화면 안에서만 임시로
+  /// 보여줄 테마가 있을 때 넘긴다. 넘기면 전역 장착 테마보다 이게 우선한다.
+  final ProfileTheme? previewTheme;
+
+  const TitlePill(this.text, {super.key, this.previewTheme});
 
   @override
   Widget build(BuildContext context) {
-    return Padding(
+    return ValueListenableBuilder(
-      padding: const EdgeInsets.only(top: 8),
+      valueListenable: globalProfileTheme,
-      child: Container(
+      builder: (context, globalTheme, _) {
-        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
+        final theme = previewTheme ?? globalTheme;
-        decoration: BoxDecoration(
+        return Padding(
-          color: AppPalette.ink,
+          padding: const EdgeInsets.only(top: 8),
-          borderRadius: BorderRadius.circular(999),
+          child: Container(
-        ),
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
-        child: Text(
+            decoration: BoxDecoration(
-          text,
+              color: theme?.secondary ?? AppPalette.ink,
-          style: const TextStyle(
+              borderRadius: BorderRadius.circular(999),
-            color: Colors.white,
+            ),
-            fontWeight: FontWeight.bold,
+            child: Text(
-            fontSize: 15,
+              text,
+              style: const TextStyle(
+                color: Colors.white,
+                fontWeight: FontWeight.bold,
+                fontSize: 15,
+              ),
+            ),
           ),
-        ),
+        );
-      ),
+      },
     );
   }
 }