diff --git a/mobile/lib/screens/autonomy_settings_screen.dart b/mobile/lib/screens/autonomy_settings_screen.dart
index 310533d..fa4412d 100644
--- a/mobile/lib/screens/autonomy_settings_screen.dart
+++ b/mobile/lib/screens/autonomy_settings_screen.dart
@@ -66,24 +66,27 @@ class _AutonomySettingsScreenState extends State<AutonomySettingsScreen> {
       body: ListView(
         padding: const EdgeInsets.fromLTRB(16, 8, 16, 32),
         children: [
-          Card(
+          Container(
+            decoration: BoxDecoration(
+              color: AppTheme.glassFill(theme.brightness),
+              borderRadius: BorderRadius.circular(AppTheme.rPanel),
+              border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
+            ),
             child: Column(
               children: [
                 ListTile(
-                  leading: const Icon(Icons.privacy_tip_outlined),
                   title: const Text('데이터 흐름'),
                   subtitle: const Text('무엇이 기기에 남고 서버로 가는지'),
-                  trailing: const Icon(Icons.chevron_right),
+                  trailing: const Icon(Icons.chevron_right, size: 18),
                   onTap: () {
                     Navigator.of(context).push(MaterialPageRoute(builder: (_) => const DataFlowScreen()));
                   },
                 ),
-                const Divider(height: 1, indent: 16, endIndent: 16),
+                Divider(height: 1, indent: 16, endIndent: 16, color: AppTheme.glassBorder(theme.brightness)),
                 ListTile(
-                  leading: const Icon(Icons.devices),
                   title: const Text('로그인 세션'),
                   subtitle: const Text('멀티 디바이스 세션 목록'),
-                  trailing: const Icon(Icons.chevron_right),
+                  trailing: const Icon(Icons.chevron_right, size: 18),
                   onTap: () {
                     Navigator.of(context).push(MaterialPageRoute(builder: (_) => const SessionsScreen()));
                   },
diff --git a/mobile/lib/screens/chat_screen.dart b/mobile/lib/screens/chat_screen.dart
index 741f730..52b5299 100644
--- a/mobile/lib/screens/chat_screen.dart
+++ b/mobile/lib/screens/chat_screen.dart
@@ -256,10 +256,10 @@ class _ChatScreenState extends State<ChatScreen> {
     if (draft.isEscalate) {
       return Container(
         margin: const EdgeInsets.fromLTRB(12, 0, 12, 8),
-        padding: const EdgeInsets.all(16),
+        padding: const EdgeInsets.all(14),
         decoration: BoxDecoration(
-          color: theme.colorScheme.errorContainer.withValues(alpha: 0.92),
-          borderRadius: BorderRadius.circular(16),
+          color: theme.colorScheme.errorContainer.withValues(alpha: 0.55),
+          borderRadius: BorderRadius.circular(AppTheme.rPanel),
           border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
         ),
         child: Column(
@@ -300,32 +300,27 @@ class _ChatScreenState extends State<ChatScreen> {
 
     return Container(
       margin: const EdgeInsets.fromLTRB(12, 0, 12, 8),
-      padding: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(14),
       decoration: BoxDecoration(
-        color: theme.colorScheme.secondaryContainer.withValues(alpha: 0.95),
-        borderRadius: BorderRadius.circular(16),
+        color: AppTheme.glassFill(theme.brightness),
+        borderRadius: BorderRadius.circular(AppTheme.rPanel),
         border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
-          Row(
-            children: [
-              Icon(Icons.auto_awesome, size: 18, color: theme.colorScheme.onSecondaryContainer),
-              const SizedBox(width: 6),
-              Expanded(
-                child: Text(
-                  title,
-                  style: theme.textTheme.titleSmall?.copyWith(color: theme.colorScheme.onSecondaryContainer),
-                ),
-              ),
-            ],
+          Text(
+            title,
+            style: theme.textTheme.titleSmall?.copyWith(
+              color: theme.colorScheme.onSurface,
+              fontWeight: FontWeight.w600,
+            ),
           ),
           if (isL0) ...[
             const SizedBox(height: 6),
             Text(
               'L0에서는 와카뷰 발송이 막혀 있습니다. 초안을 입력창으로 옮긴 뒤 직접 보내거나, 메뉴 → 자율성에서 L1으로 바꾸세요.',
-              style: theme.textTheme.bodySmall?.copyWith(color: theme.colorScheme.onSecondaryContainer),
+              style: theme.textTheme.bodySmall?.copyWith(color: theme.colorScheme.onSurfaceVariant),
             ),
           ],
           const SizedBox(height: 10),
diff --git a/mobile/lib/screens/contacts_screen.dart b/mobile/lib/screens/contacts_screen.dart
index afd8dc9..30d24ac 100644
--- a/mobile/lib/screens/contacts_screen.dart
+++ b/mobile/lib/screens/contacts_screen.dart
@@ -299,8 +299,6 @@ class _ContactsScreenState extends State<ContactsScreen> {
                       padding: const EdgeInsets.symmetric(vertical: 48, horizontal: 32),
                       child: Column(
                         children: [
-                          Icon(Icons.person_add_outlined, size: 40, color: theme.colorScheme.outline),
-                          const SizedBox(height: 12),
                           Text('연락처가 없습니다', style: theme.textTheme.titleMedium),
                           const SizedBox(height: 8),
                           Text(
@@ -316,66 +314,65 @@ class _ContactsScreenState extends State<ContactsScreen> {
                       ),
                     ),
                   for (final c in _contacts)
-                    Padding(
-                      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
-                      child: ListTile(
-                        leading: CircleAvatar(
-                          backgroundColor: theme.colorScheme.secondaryContainer,
-                          child: Text(
-                            c.displayName.isEmpty ? '?' : c.displayName.substring(0, 1),
-                            style: TextStyle(
-                              color: theme.colorScheme.onSecondaryContainer,
-                              fontWeight: FontWeight.w700,
-                            ),
+                    ListTile(
+                      contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
+                      leading: CircleAvatar(
+                        radius: 20,
+                        backgroundColor: theme.colorScheme.surfaceContainerHighest,
+                        child: Text(
+                          c.displayName.isEmpty ? '?' : c.displayName.substring(0, 1),
+                          style: TextStyle(
+                            color: theme.colorScheme.onSurfaceVariant,
+                            fontWeight: FontWeight.w600,
                           ),
                         ),
-                        title: Text(c.displayName, style: theme.textTheme.titleSmall),
-                        subtitle: Text(
-                          c.contactUserId == null
-                              ? '사용자 ID 없음 — 대화 불가 (다시 추가 필요)'
-                              : [
-                                  '사용자 #${c.contactUserId}',
-                                  if (c.relationshipNote.isNotEmpty) c.relationshipNote,
-                                ].join(' · '),
-                          style: theme.textTheme.bodySmall?.copyWith(
-                            color: c.contactUserId == null
-                                ? theme.colorScheme.error
-                                : theme.colorScheme.onSurfaceVariant,
-                          ),
-                        ),
-                        trailing: Row(
-                          mainAxisSize: MainAxisSize.min,
-                          children: [
-                            if (c.contactUserId != null) ...[
-                              FilledButton.tonal(
-                                onPressed: () => _startChat(c),
-                                child: const Text('대화'),
-                              ),
-                              IconButton(
-                                tooltip: '수정',
-                                icon: const Icon(Icons.edit_outlined, size: 20),
-                                onPressed: () => _editContact(c),
-                              ),
-                            ] else
-                              FilledButton(
-                                onPressed: () => _editContact(c),
-                                child: const Text('ID 입력'),
-                              ),
-                            IconButton(
-                              tooltip: '삭제',
-                              icon: const Icon(Icons.delete_outline, size: 20),
-                              onPressed: () => _delete(c),
-                            ),
-                          ],
-                        ),
-                        onTap: () {
-                          if (c.contactUserId == null) {
-                            _editContact(c);
-                          } else {
-                            _startChat(c);
-                          }
-                        },
                       ),
+                      title: Text(c.displayName, style: theme.textTheme.titleSmall),
+                      subtitle: Text(
+                        c.contactUserId == null
+                            ? '사용자 ID 없음 — 대화 불가 (다시 추가 필요)'
+                            : [
+                                '사용자 #${c.contactUserId}',
+                                if (c.relationshipNote.isNotEmpty) c.relationshipNote,
+                              ].join(' · '),
+                        style: theme.textTheme.bodySmall?.copyWith(
+                          color: c.contactUserId == null
+                              ? theme.colorScheme.error
+                              : theme.colorScheme.onSurfaceVariant,
+                        ),
+                      ),
+                      trailing: Row(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          if (c.contactUserId != null) ...[
+                            TextButton(
+                              onPressed: () => _startChat(c),
+                              child: const Text('대화'),
+                            ),
+                            IconButton(
+                              tooltip: '수정',
+                              icon: const Icon(Icons.edit_outlined, size: 20),
+                              onPressed: () => _editContact(c),
+                            ),
+                          ] else
+                            FilledButton(
+                              onPressed: () => _editContact(c),
+                              child: const Text('ID 입력'),
+                            ),
+                          IconButton(
+                            tooltip: '삭제',
+                            icon: const Icon(Icons.delete_outline, size: 20),
+                            onPressed: () => _delete(c),
+                          ),
+                        ],
+                      ),
+                      onTap: () {
+                        if (c.contactUserId == null) {
+                          _editContact(c);
+                        } else {
+                          _startChat(c);
+                        }
+                      },
                     ),
                   const SizedBox(height: 72),
                 ],
diff --git a/mobile/lib/screens/conversation_list_screen.dart b/mobile/lib/screens/conversation_list_screen.dart
index b7ee348..611de4a 100644
--- a/mobile/lib/screens/conversation_list_screen.dart
+++ b/mobile/lib/screens/conversation_list_screen.dart
@@ -4,7 +4,6 @@ import 'package:provider/provider.dart';
 import '../models/models.dart';
 import '../services/api_client.dart';
 import '../state/session_state.dart';
-import '../theme/app_theme.dart';
 import '../widgets/gradient_text.dart';
 import '../widgets/my_user_id_chip.dart';
 import 'autonomy_settings_screen.dart';
@@ -157,16 +156,16 @@ class _ConversationListScreenState extends State<ConversationListScreen> {
   Color _avatarColor(BuildContext context, int seed) {
     final isDark = Theme.of(context).brightness == Brightness.dark;
     final palette = isDark
-        ? const [Color(0xFF1F3A37), Color(0xFF2A3140), Color(0xFF3A3224)]
-        : const [Color(0xFFD9F3F0), Color(0xFFE8E6E1), Color(0xFFFFE8C8)];
+        ? const [Color(0xFF1C1C1C), Color(0xFF22262E), Color(0xFF242018)]
+        : const [Color(0xFFF4F4F5), Color(0xFFE8EEF4), Color(0xFFF3F0EA)];
     return palette[seed % palette.length];
   }
 
   Color _onAvatarColor(BuildContext context, int seed) {
     final isDark = Theme.of(context).brightness == Brightness.dark;
     final palette = isDark
-        ? const [Color(0xFF2DD4BF), Color(0xFFF2F1EF), Color(0xFFFBBF24)]
-        : const [Color(0xFF0F766E), Color(0xFF1C1B1A), Color(0xFFB45309)];
+        ? const [Color(0xFFA3A3A3), Color(0xFF8BB4D9), Color(0xFFC4A574)]
+        : const [Color(0xFF525252), Color(0xFF3B6D9B), Color(0xFF9A7B4F)];
     return palette[seed % palette.length];
   }
 
@@ -224,10 +223,10 @@ class _ConversationListScreenState extends State<ConversationListScreen> {
           const SizedBox(width: 4),
         ],
       ),
-      floatingActionButton: FloatingActionButton.extended(
+      floatingActionButton: FloatingActionButton(
         onPressed: _createConversation,
-        icon: const Icon(Icons.chat),
-        label: const Text('새 대화'),
+        tooltip: '새 대화',
+        child: const Icon(Icons.chat_outlined),
       ),
       body: RefreshIndicator(
         onRefresh: _load,
@@ -255,19 +254,9 @@ class _ConversationListScreenState extends State<ConversationListScreen> {
                     ),
                   if (_rooms.isEmpty)
                     Padding(
-                      padding: const EdgeInsets.fromLTRB(32, 56, 32, 32),
+                      padding: const EdgeInsets.fromLTRB(32, 48, 32, 32),
                       child: Column(
                         children: [
-                          Container(
-                            width: 68,
-                            height: 68,
-                            decoration: BoxDecoration(
-                              shape: BoxShape.circle,
-                              color: theme.colorScheme.primaryContainer,
-                            ),
-                            child: Icon(Icons.chat_bubble_outline, size: 28, color: theme.colorScheme.primary),
-                          ),
-                          const SizedBox(height: 18),
                           Text('대화방이 없습니다', style: theme.textTheme.titleMedium),
                           const SizedBox(height: 8),
                           Text(
@@ -281,86 +270,81 @@ class _ConversationListScreenState extends State<ConversationListScreen> {
                             ),
                           ),
                           const SizedBox(height: 18),
-                          FilledButton.tonalIcon(
+                          OutlinedButton(
                             onPressed: () async {
                               await Navigator.of(context).push(
                                 MaterialPageRoute(builder: (_) => const ContactsScreen()),
                               );
                               await _load();
                             },
-                            icon: const Icon(Icons.contacts_outlined),
-                            label: const Text('연락처 열기'),
+                            child: const Text('연락처 열기'),
                           ),
                         ],
                       ),
                     ),
                   for (final room in _rooms)
-                    Padding(
-                      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 3),
-                      child: Material(
-                        color: AppTheme.glassFill(theme.brightness),
-                        borderRadius: BorderRadius.circular(16),
-                        child: InkWell(
-                          borderRadius: BorderRadius.circular(16),
-                          onTap: () async {
-                            await Navigator.of(context).push(
-                              MaterialPageRoute(
-                                builder: (_) => ChatScreen(
-                                  conversationId: room.id,
-                                  title: _titleFor(room, me),
+                    Material(
+                      color: Colors.transparent,
+                      child: InkWell(
+                        onTap: () async {
+                          await Navigator.of(context).push(
+                            MaterialPageRoute(
+                              builder: (_) => ChatScreen(
+                                conversationId: room.id,
+                                title: _titleFor(room, me),
+                              ),
+                            ),
+                          );
+                          await _load();
+                        },
+                        child: Padding(
+                          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+                          child: Row(
+                            children: [
+                              CircleAvatar(
+                                radius: 22,
+                                backgroundColor: _avatarColor(context, room.id),
+                                child: Icon(
+                                  room.isGroup ? Icons.groups_outlined : Icons.person_outline,
+                                  size: 20,
+                                  color: _onAvatarColor(context, room.id),
                                 ),
                               ),
-                            );
-                            await _load();
-                          },
-                          child: Padding(
-                            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
-                            child: Row(
-                              children: [
-                                CircleAvatar(
-                                  radius: 24,
-                                  backgroundColor: _avatarColor(context, room.id),
-                                  child: Icon(
-                                    room.isGroup ? Icons.groups_outlined : Icons.person_outline,
-                                    color: _onAvatarColor(context, room.id),
-                                  ),
-                                ),
-                                const SizedBox(width: 12),
-                                Expanded(
-                                  child: Column(
-                                    crossAxisAlignment: CrossAxisAlignment.start,
-                                    children: [
-                                      Text(
-                                        _titleFor(room, me),
-                                        style: theme.textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w700),
-                                      ),
-                                      const SizedBox(height: 3),
-                                      Row(
-                                        children: [
-                                          if (room.twinDisabledByPeer) ...[
-                                            Icon(Icons.block, size: 13, color: theme.colorScheme.error),
-                                            const SizedBox(width: 4),
-                                          ],
-                                          Expanded(
-                                            child: Text(
-                                              _subtitleFor(room, me),
-                                              maxLines: 1,
-                                              overflow: TextOverflow.ellipsis,
-                                              style: theme.textTheme.bodySmall?.copyWith(
-                                                color: room.twinDisabledByPeer
-                                                    ? theme.colorScheme.error
-                                                    : theme.colorScheme.onSurfaceVariant,
-                                              ),
+                              const SizedBox(width: 12),
+                              Expanded(
+                                child: Column(
+                                  crossAxisAlignment: CrossAxisAlignment.start,
+                                  children: [
+                                    Text(
+                                      _titleFor(room, me),
+                                      style: theme.textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w600),
+                                    ),
+                                    const SizedBox(height: 2),
+                                    Row(
+                                      children: [
+                                        if (room.twinDisabledByPeer) ...[
+                                          Icon(Icons.block, size: 13, color: theme.colorScheme.error),
+                                          const SizedBox(width: 4),
+                                        ],
+                                        Expanded(
+                                          child: Text(
+                                            _subtitleFor(room, me),
+                                            maxLines: 1,
+                                            overflow: TextOverflow.ellipsis,
+                                            style: theme.textTheme.bodySmall?.copyWith(
+                                              color: room.twinDisabledByPeer
+                                                  ? theme.colorScheme.error
+                                                  : theme.colorScheme.onSurfaceVariant,
                                             ),
                                           ),
-                                        ],
-                                      ),
-                                    ],
-                                  ),
+                                        ),
+                                      ],
+                                    ),
+                                  ],
                                 ),
-                                Icon(Icons.chevron_right, size: 20, color: theme.colorScheme.onSurfaceVariant),
-                              ],
-                            ),
+                              ),
+                              Icon(Icons.chevron_right, size: 18, color: theme.colorScheme.onSurfaceVariant),
+                            ],
                           ),
                         ),
                       ),
diff --git a/mobile/lib/screens/data_flow_screen.dart b/mobile/lib/screens/data_flow_screen.dart
index 7692fab..94dadf4 100644
--- a/mobile/lib/screens/data_flow_screen.dart
+++ b/mobile/lib/screens/data_flow_screen.dart
@@ -10,42 +10,28 @@ class DataFlowScreen extends StatelessWidget {
 
   Widget _section(
     BuildContext context, {
-    required IconData icon,
-    required Color tint,
     required String title,
     required String body,
   }) {
     final theme = Theme.of(context);
     return Container(
-      margin: const EdgeInsets.only(bottom: 16),
+      margin: const EdgeInsets.only(bottom: 12),
       padding: const EdgeInsets.all(16),
       decoration: BoxDecoration(
         color: AppTheme.glassFill(theme.brightness),
-        borderRadius: BorderRadius.circular(16),
+        borderRadius: BorderRadius.circular(AppTheme.rPanel),
         border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
       ),
-      child: Row(
+      child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          Container(
-            width: 36,
-            height: 36,
-            alignment: Alignment.center,
-            decoration: BoxDecoration(color: tint.withValues(alpha: 0.15), shape: BoxShape.circle),
-            child: Icon(icon, size: 18, color: tint),
-          ),
-          const SizedBox(width: 12),
-          Expanded(
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                Text(title, style: theme.textTheme.titleSmall),
-                const SizedBox(height: 4),
-                Text(
-                  body,
-                  style: theme.textTheme.bodyMedium?.copyWith(color: theme.colorScheme.onSurfaceVariant),
-                ),
-              ],
+          Text(title, style: theme.textTheme.titleSmall),
+          const SizedBox(height: 6),
+          Text(
+            body,
+            style: theme.textTheme.bodyMedium?.copyWith(
+              color: theme.colorScheme.onSurfaceVariant,
+              height: 1.45,
             ),
           ),
         ],
@@ -66,32 +52,40 @@ class DataFlowScreen extends StatelessWidget {
         children: [
           _section(
             context,
-            icon: Icons.lock_outline,
-            tint: Colors.green.shade600,
             title: '기기 안에만 둡니다',
             body: '말투 샘플·온보딩 입력은 이 기기의 로컬 저장소에만 보관합니다. '
                 '원문 대화 전체를 서버로 올리지 않는 것이 기본 원칙입니다.',
           ),
-          Card(
-            margin: const EdgeInsets.only(bottom: 16),
-            child: ListTile(
-              leading: Icon(Icons.record_voice_over_outlined, color: theme.colorScheme.primary),
-              title: Text('말투 샘플 ${samples.length}개'),
-              subtitle: Text(
-                [
-                  samples.isEmpty ? '(아직 없음 — 말투 샘플 화면에서 추가)' : samples.take(3).join(' · '),
-                  session.localDbEncrypted
-                      ? '저장: drift + SQLCipher(암호화)'
-                      : '저장: 메모리/웹 스텁(이 환경에 SQLCipher 없음 — Chrome·Linux 폴백)',
-                ].join('\n'),
-              ),
-              isThreeLine: true,
+          Container(
+            margin: const EdgeInsets.only(bottom: 12),
+            padding: const EdgeInsets.all(16),
+            decoration: BoxDecoration(
+              color: AppTheme.glassFill(theme.brightness),
+              borderRadius: BorderRadius.circular(AppTheme.rPanel),
+              border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
+            ),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text('말투 샘플 ${samples.length}개', style: theme.textTheme.titleSmall),
+                const SizedBox(height: 6),
+                Text(
+                  [
+                    samples.isEmpty ? '(아직 없음 — 말투 샘플 화면에서 추가)' : samples.take(3).join(' · '),
+                    session.localDbEncrypted
+                        ? '저장: drift + SQLCipher(암호화)'
+                        : '저장: 메모리/웹 스텁(이 환경에 SQLCipher 없음 — Chrome·Linux 폴백)',
+                  ].join('\n'),
+                  style: theme.textTheme.bodyMedium?.copyWith(
+                    color: theme.colorScheme.onSurfaceVariant,
+                    height: 1.45,
+                  ),
+                ),
+              ],
             ),
           ),
           _section(
             context,
-            icon: Icons.cloud_upload_outlined,
-            tint: Colors.amber.shade800,
             title: '서버로 보낼 수 있는 것',
             body: '초안이 필요할 때: 최근 대화 몇 줄 + 말투 샘플 일부(최소 컨텍스트)\n'
                 '채팅 릴레이: 보낸 메시지 본문\n'
@@ -100,8 +94,6 @@ class DataFlowScreen extends StatelessWidget {
           ),
           _section(
             context,
-            icon: Icons.block,
-            tint: theme.colorScheme.error,
             title: '보내지 않는 것',
             body: '전체 채팅 백업 업로드, 온디바이스 말투 학습 원문 코퍼스, '
                 '관계 메모의 자동 클라우드 분석',
diff --git a/mobile/lib/screens/inbox_screen.dart b/mobile/lib/screens/inbox_screen.dart
index 25125d8..9930ed2 100644
--- a/mobile/lib/screens/inbox_screen.dart
+++ b/mobile/lib/screens/inbox_screen.dart
@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 import '../models/models.dart';
 import '../services/api_client.dart';
 import '../state/session_state.dart';
+import '../theme/app_theme.dart';
 import 'chat_screen.dart';
 
 /// Post-hoc notification inbox: escalation logs that need human attention.
@@ -53,98 +54,89 @@ class _InboxScreenState extends State<InboxScreen> {
         child: _loading
             ? ListView(children: const [SizedBox(height: 160), Center(child: CircularProgressIndicator())])
             : ListView(
-                padding: const EdgeInsets.fromLTRB(12, 12, 12, 24),
+                padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
                 children: [
-                  Padding(
-                    padding: const EdgeInsets.fromLTRB(4, 0, 4, 12),
-                    child: Text(
-                      '와카뷰가 보류·차단한 내용과 에스컬레이션 기록입니다. '
-                      '이미 보낸 와카뷰 메시지는 해당 대화방에서 되돌릴 수 있습니다.',
-                      style: theme.textTheme.bodyMedium?.copyWith(color: theme.colorScheme.onSurfaceVariant),
-                    ),
+                  Text(
+                    '와카뷰가 보류·차단한 내용과 에스컬레이션 기록입니다. '
+                    '이미 보낸 와카뷰 메시지는 해당 대화방에서 되돌릴 수 있습니다.',
+                    style: theme.textTheme.bodyMedium?.copyWith(color: theme.colorScheme.onSurfaceVariant),
                   ),
+                  const SizedBox(height: 12),
                   if (_error != null)
                     Padding(
-                      padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
+                      padding: const EdgeInsets.only(bottom: 8),
                       child: Text(_error!, style: TextStyle(color: theme.colorScheme.error)),
                     ),
                   if (_logs.isEmpty)
                     Padding(
-                      padding: const EdgeInsets.symmetric(vertical: 64, horizontal: 32),
-                      child: Column(
-                        children: [
-                          Icon(Icons.notifications_none, size: 40, color: theme.colorScheme.outline),
-                          const SizedBox(height: 12),
-                          Text('새 알림이 없습니다', style: theme.textTheme.titleMedium),
-                        ],
+                      padding: const EdgeInsets.symmetric(vertical: 56),
+                      child: Center(
+                        child: Text('새 알림이 없습니다', style: theme.textTheme.titleMedium),
                       ),
                     ),
                   for (final log in _logs)
-                    Padding(
-                      padding: const EdgeInsets.only(bottom: 8),
-                      child: Card(
-                        child: InkWell(
-                          borderRadius: BorderRadius.circular(16),
-                          onTap: () {
-                            Navigator.of(context).push(
-                              MaterialPageRoute(
-                                builder: (_) => ChatScreen(conversationId: log.conversationId),
+                    Material(
+                      color: Colors.transparent,
+                      child: InkWell(
+                        onTap: () {
+                          Navigator.of(context).push(
+                            MaterialPageRoute(
+                              builder: (_) => ChatScreen(conversationId: log.conversationId),
+                            ),
+                          );
+                        },
+                        child: Container(
+                          margin: const EdgeInsets.only(bottom: 8),
+                          padding: const EdgeInsets.all(14),
+                          decoration: BoxDecoration(
+                            borderRadius: BorderRadius.circular(AppTheme.rPanel),
+                            border: Border.all(color: AppTheme.glassBorder(theme.brightness)),
+                            color: AppTheme.glassFill(theme.brightness),
+                          ),
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Row(
+                                children: [
+                                  Expanded(
+                                    child: Text(
+                                      log.reason.isEmpty ? '에스컬레이션' : log.reason,
+                                      style: theme.textTheme.titleSmall,
+                                    ),
+                                  ),
+                                  Text(
+                                    log.resolved ? '처리됨' : '확인 필요',
+                                    style: theme.textTheme.labelSmall?.copyWith(
+                                      color: log.resolved
+                                          ? theme.colorScheme.onSurfaceVariant
+                                          : theme.colorScheme.error,
+                                      fontWeight: FontWeight.w600,
+                                    ),
+                                  ),
+                                ],
                               ),
-                            );
-                          },
-                          child: Padding(
-                            padding: const EdgeInsets.all(14),
-                            child: Row(
-                              crossAxisAlignment: CrossAxisAlignment.start,
-                              children: [
-                                CircleAvatar(
-                                  radius: 18,
-                                  backgroundColor: log.resolved
-                                      ? theme.colorScheme.primaryContainer
-                                      : theme.colorScheme.errorContainer,
-                                  child: Icon(
-                                    log.resolved ? Icons.check_circle_outline : Icons.warning_amber_rounded,
-                                    size: 18,
-                                    color: log.resolved
-                                        ? theme.colorScheme.onPrimaryContainer
-                                        : theme.colorScheme.onErrorContainer,
-                                  ),
-                                ),
-                                const SizedBox(width: 12),
-                                Expanded(
-                                  child: Column(
-                                    crossAxisAlignment: CrossAxisAlignment.start,
-                                    children: [
-                                      Text(
-                                        log.reason.isEmpty ? '에스컬레이션' : log.reason,
-                                        style: theme.textTheme.titleSmall,
-                                      ),
-                                      const SizedBox(height: 2),
-                                      Text(
-                                        '대화방 #${log.conversationId}',
-                                        style: theme.textTheme.bodySmall
-                                            ?.copyWith(color: theme.colorScheme.onSurfaceVariant),
-                                      ),
-                                      if (log.messageSnippet.isNotEmpty) ...[
-                                        const SizedBox(height: 6),
-                                        Text(
-                                          log.messageSnippet,
-                                          maxLines: 2,
-                                          overflow: TextOverflow.ellipsis,
-                                          style: theme.textTheme.bodyMedium,
-                                        ),
-                                      ],
-                                      const SizedBox(height: 6),
-                                      Text(
-                                        log.createdAt.toLocal().toString().split('.').first,
-                                        style: theme.textTheme.labelSmall
-                                            ?.copyWith(color: theme.colorScheme.outline),
-                                      ),
-                                    ],
-                                  ),
+                              const SizedBox(height: 4),
+                              Text(
+                                '대화방 #${log.conversationId}',
+                                style: theme.textTheme.bodySmall
+                                    ?.copyWith(color: theme.colorScheme.onSurfaceVariant),
+                              ),
+                              if (log.messageSnippet.isNotEmpty) ...[
+                                const SizedBox(height: 6),
+                                Text(
+                                  log.messageSnippet,
+                                  maxLines: 2,
+                                  overflow: TextOverflow.ellipsis,
+                                  style: theme.textTheme.bodyMedium,
                                 ),
                               ],
-                            ),
+                              const SizedBox(height: 6),
+                              Text(
+                                log.createdAt.toLocal().toString().split('.').first,
+                                style: theme.textTheme.labelSmall
+                                    ?.copyWith(color: theme.colorScheme.outline),
+                              ),
+                            ],
                           ),
                         ),
                       ),
diff --git a/mobile/lib/screens/onboarding_tone_screen.dart b/mobile/lib/screens/onboarding_tone_screen.dart
index 5b512d3..b0d7e91 100644
--- a/mobile/lib/screens/onboarding_tone_screen.dart
+++ b/mobile/lib/screens/onboarding_tone_screen.dart
@@ -61,21 +61,8 @@ class _OnboardingToneScreenState extends State<OnboardingToneScreen> {
       ),
       body: SafeArea(
         child: ListView(
-          padding: const EdgeInsets.fromLTRB(24, 8, 24, 32),
+          padding: const EdgeInsets.fromLTRB(24, 12, 24, 32),
           children: [
-            Align(
-              alignment: Alignment.centerLeft,
-              child: Container(
-                width: 52,
-                height: 52,
-                decoration: BoxDecoration(
-                  color: scheme.primaryContainer,
-                  borderRadius: BorderRadius.circular(14),
-                ),
-                child: Icon(Icons.record_voice_over_outlined, size: 26, color: scheme.primary),
-              ),
-            ),
-            const SizedBox(height: 18),
             Text('와카뷰가 따라 쓸 말투', style: theme.textTheme.headlineSmall),
             const SizedBox(height: 8),
             Text(
@@ -93,21 +80,6 @@ class _OnboardingToneScreenState extends State<OnboardingToneScreen> {
                 decoration: InputDecoration(
                   labelText: '샘플 ${i + 1}',
                   hintText: i == 0 ? '예: ㅇㅇ 알겠음' : null,
-                  prefixIcon: Padding(
-                    padding: const EdgeInsets.only(left: 10, right: 4),
-                    child: CircleAvatar(
-                      radius: 12,
-                      backgroundColor: scheme.primaryContainer,
-                      child: Text(
-                        '${i + 1}',
-                        style: TextStyle(
-                          fontSize: 12,
-                          fontWeight: FontWeight.w700,
-                          color: scheme.onPrimaryContainer,
-                        ),
-                      ),
-                    ),
-                  ),
                 ),
               ),
               const SizedBox(height: 12),
diff --git a/mobile/lib/screens/sessions_screen.dart b/mobile/lib/screens/sessions_screen.dart
index 64355fe..493a77c 100644
--- a/mobile/lib/screens/sessions_screen.dart
+++ b/mobile/lib/screens/sessions_screen.dart
@@ -95,30 +95,17 @@ class _SessionsScreenState extends State<SessionsScreen> {
                       child: Text(_error!, style: TextStyle(color: theme.colorScheme.error)),
                     ),
                   for (final s in _sessions)
-                    Padding(
-                      padding: const EdgeInsets.symmetric(vertical: 2),
-                      child: ListTile(
-                        leading: CircleAvatar(
-                          backgroundColor: s['is_current'] == true
-                              ? theme.colorScheme.primaryContainer
-                              : theme.colorScheme.surfaceContainerHighest,
-                          child: Icon(
-                            s['is_current'] == true ? Icons.smartphone : Icons.devices_other,
-                            color: s['is_current'] == true
-                                ? theme.colorScheme.onPrimaryContainer
-                                : theme.colorScheme.onSurfaceVariant,
-                          ),
-                        ),
-                        title: Text(
-                          s['is_current'] == true ? '이 기기 (현재)' : '세션 #${s['id']}',
-                          style: theme.textTheme.titleSmall,
-                        ),
-                        subtitle: Text('만료: ${s['expires_at'] ?? ''}', style: theme.textTheme.bodySmall),
-                        trailing: IconButton(
-                          tooltip: '세션 종료',
-                          icon: const Icon(Icons.logout),
-                          onPressed: () => _revoke(s),
-                        ),
+                    ListTile(
+                      contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 2),
+                      title: Text(
+                        s['is_current'] == true ? '이 기기 (현재)' : '세션 #${s['id']}',
+                        style: theme.textTheme.titleSmall,
+                      ),
+                      subtitle: Text('만료: ${s['expires_at'] ?? ''}', style: theme.textTheme.bodySmall),
+                      trailing: IconButton(
+                        tooltip: '세션 종료',
+                        icon: const Icon(Icons.logout),
+                        onPressed: () => _revoke(s),
                       ),
                     ),
                 ],
diff --git a/mobile/lib/screens/signup_screen.dart b/mobile/lib/screens/signup_screen.dart
index 7f517dd..cbcb2ae 100644
--- a/mobile/lib/screens/signup_screen.dart
+++ b/mobile/lib/screens/signup_screen.dart
@@ -133,15 +133,15 @@ class _DemoTestPanel extends StatelessWidget {
     final brightness = theme.brightness;
     return Material(
       color: Colors.transparent,
-      borderRadius: BorderRadius.circular(16),
+      borderRadius: BorderRadius.circular(AppTheme.rPanel),
       child: InkWell(
         onTap: onFill,
-        borderRadius: BorderRadius.circular(16),
+        borderRadius: BorderRadius.circular(AppTheme.rPanel),
         child: Container(
           padding: const EdgeInsets.fromLTRB(16, 14, 12, 14),
           decoration: BoxDecoration(
             color: AppTheme.glassFill(brightness),
-            borderRadius: BorderRadius.circular(16),
+            borderRadius: BorderRadius.circular(AppTheme.rPanel),
             border: Border.all(color: AppTheme.glassBorder(brightness)),
           ),
           child: Column(
@@ -150,8 +150,9 @@ class _DemoTestPanel extends StatelessWidget {
               Text(
                 '테스트용 (누구나)',
                 style: theme.textTheme.labelLarge?.copyWith(
-                  color: theme.colorScheme.primary,
-                  letterSpacing: 0.2,
+                  color: theme.colorScheme.onSurfaceVariant,
+                  letterSpacing: 0.15,
+                  fontWeight: FontWeight.w600,
                 ),
               ),
               const SizedBox(height: 6),
@@ -162,7 +163,7 @@ class _DemoTestPanel extends StatelessWidget {
                       '초대 코드  ${AppConfig.demoInviteCode}\n표시 이름  ${AppConfig.demoDisplayName}',
                       style: theme.textTheme.titleSmall?.copyWith(
                         height: 1.45,
-                        fontWeight: FontWeight.w700,
+                        fontWeight: FontWeight.w600,
                       ),
                     ),
                   ),
diff --git a/mobile/lib/screens/splash_screen.dart b/mobile/lib/screens/splash_screen.dart
index 3d11e2d..e43ad4a 100644
--- a/mobile/lib/screens/splash_screen.dart
+++ b/mobile/lib/screens/splash_screen.dart
@@ -33,9 +33,12 @@ class SplashScreen extends StatelessWidget {
             ),
             const SizedBox(height: 32),
             SizedBox(
-              width: 28,
-              height: 28,
-              child: CircularProgressIndicator(strokeWidth: 2.5, color: scheme.primary),
+              width: 22,
+              height: 22,
+              child: CircularProgressIndicator(
+                strokeWidth: 2,
+                color: scheme.onSurfaceVariant,
+              ),
             ),
           ],
         ),
diff --git a/mobile/lib/theme/app_theme.dart b/mobile/lib/theme/app_theme.dart
index b4bfd7c..4a0b01e 100644
--- a/mobile/lib/theme/app_theme.dart
+++ b/mobile/lib/theme/app_theme.dart
@@ -1,125 +1,104 @@
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
 
-/// Quiet Ink — calm messenger direction for 와카뷰.
-/// Light: warm off-white canvas, charcoal ink, single deep-teal accent.
-/// Dark: charcoal surfaces, same teal (brighter), twin stays warm amber.
-/// Avoids aurora/purple glass so chat reads as a daily messenger, not a demo.
+/// Soft Neutral + surface hierarchy for 와카뷰.
+/// Neutrals dominate; accent is thin (mine bubbles / small links only).
+/// Radii: input/button 12, bubble 18. No glow, almost no shadow.
 class AppTheme {
   AppTheme._();
 
-  // Light
-  static const canvasLight = Color(0xFFF7F6F3);
+  // Light neutrals
+  static const canvasLight = Color(0xFFFAFAF9);
   static const surfaceLight = Color(0xFFFFFFFF);
-  static const inkLight = Color(0xFF1C1B1A);
-  static const mutedLight = Color(0xFF6B6864);
-  static const lineLight = Color(0xFFE8E6E1);
-  static const teal = Color(0xFF0F766E);
-  static const tealSoft = Color(0xFFD9F3F0);
-  static const twinAmberLight = Color(0xFFB45309);
+  static const inkLight = Color(0xFF171717);
+  static const mutedLight = Color(0xFF737373);
+  static const lineLight = Color(0xFFE5E5E5);
+  static const softFillLight = Color(0xFFF4F4F5);
 
-  // Dark
-  static const canvasDark = Color(0xFF0E0F12);
-  static const surfaceDark = Color(0xFF1A1C22);
-  static const inkDark = Color(0xFFF2F1EF);
-  static const mutedDark = Color(0xFF9B9893);
-  static const lineDark = Color(0xFF2A2D36);
-  /// Dark accent — muted teal (avoid neon cyan against charcoal).
-  static const tealBright = Color(0xFF5EBBB0);
-  static const tealSoftDark = Color(0xFF1A3331);
-  static const twinAmberDark = Color(0xFFE0A84A);
+  // Dark neutrals
+  static const canvasDark = Color(0xFF0A0A0A);
+  static const surfaceDark = Color(0xFF141414);
+  static const inkDark = Color(0xFFFAFAFA);
+  static const mutedDark = Color(0xFFA3A3A3);
+  static const lineDark = Color(0xFF262626);
+  static const softFillDark = Color(0xFF1C1C1C);
 
-  /// Kept for call sites that still reference a "brand" fill — solid teal, not a rainbow.
+  /// Thin accent — used for mine bubbles & primary actions, not chrome.
+  static const accentLight = Color(0xFF3B6D9B);
+  static const accentDark = Color(0xFF8BB4D9);
+  static const accentSoftLight = Color(0xFFE8F0F7);
+  static const accentSoftDark = Color(0xFF1A2836);
+
+  static const twinAmberLight = Color(0xFF9A7B4F);
+  static const twinAmberDark = Color(0xFFC4A574);
+
+  /// Compat for older call sites.
+  static const teal = accentLight;
+  static const tealBright = accentDark;
+  static const canvasDarkCompat = canvasDark;
   static const brandGradient = LinearGradient(
-    begin: Alignment.centerLeft,
-    end: Alignment.centerRight,
-    colors: [teal, Color(0xFF0D9488)],
+    colors: [accentLight, accentLight],
   );
 
-  static Color twinAccent(Brightness brightness) =>
-      brightness == Brightness.dark ? twinAmberDark : twinAmberLight;
+  static Color twinAccent(Brightness b) => b == Brightness.dark ? twinAmberDark : twinAmberLight;
 
-  /// Soft near-flat wash (not aurora). Used by [GradientBackdrop].
-  static LinearGradient backgroundGradient(Brightness brightness) {
-    if (brightness == Brightness.dark) {
-      return const LinearGradient(
-        begin: Alignment.topCenter,
-        end: Alignment.bottomCenter,
-        colors: [Color(0xFF12141A), canvasDark],
-      );
-    }
-    return const LinearGradient(
-      begin: Alignment.topCenter,
-      end: Alignment.bottomCenter,
-      colors: [Color(0xFFF3F2EE), canvasLight],
-    );
+  static LinearGradient backgroundGradient(Brightness b) {
+    final c = b == Brightness.dark ? canvasDark : canvasLight;
+    return LinearGradient(colors: [c, c]);
   }
 
-  static Color glowPrimary(Brightness brightness) =>
-      (brightness == Brightness.dark ? tealBright : teal).withValues(alpha: 0.06);
+  static Color glassFill(Brightness b) => b == Brightness.dark ? surfaceDark : surfaceLight;
+  static Color glassBorder(Brightness b) => b == Brightness.dark ? lineDark : lineLight;
+  static Color glassShadow(Brightness b) => Colors.transparent;
 
-  static Color glowSecondary(Brightness brightness) => Colors.transparent;
+  static Color mineBubble(Brightness b) => b == Brightness.dark ? accentSoftDark : accentLight;
+  static Color mineBubbleFg(Brightness b) => b == Brightness.dark ? inkDark : Colors.white;
+  static Color peerBubble(Brightness b) => b == Brightness.dark ? softFillDark : softFillLight;
 
-  /// Panel fill (replaces glassmorphism).
-  static Color glassFill(Brightness brightness) =>
-      brightness == Brightness.dark ? surfaceDark : surfaceLight;
-
-  static Color glassBorder(Brightness brightness) =>
-      brightness == Brightness.dark ? lineDark : lineLight;
-
-  static Color glassShadow(Brightness brightness) =>
-      brightness == Brightness.dark ? Colors.black.withValues(alpha: 0.35) : const Color(0xFF1C1B1A).withValues(alpha: 0.06);
-
-  static Color mineBubble(Brightness brightness) =>
-      brightness == Brightness.dark ? const Color(0xFF244844) : teal;
-
-  static Color mineBubbleFg(Brightness brightness) =>
-      brightness == Brightness.dark ? inkDark : Colors.white;
-
-  static Color peerBubble(Brightness brightness) =>
-      brightness == Brightness.dark ? const Color(0xFF24272F) : const Color(0xFFEFEEEA);
+  static const rInput = 12.0;
+  static const rButton = 12.0;
+  static const rBubble = 18.0;
+  static const rPanel = 12.0;
 
   static ThemeData light() => _build(Brightness.light);
   static ThemeData dark() => _build(Brightness.dark);
 
   static ThemeData _build(Brightness brightness) {
     final isDark = brightness == Brightness.dark;
-    final primary = isDark ? tealBright : teal;
+    final primary = isDark ? accentDark : accentLight;
     final onPrimary = isDark ? canvasDark : Colors.white;
+    final ink = isDark ? inkDark : inkLight;
+    final muted = isDark ? mutedDark : mutedLight;
+    final line = isDark ? lineDark : lineLight;
+    final canvas = isDark ? canvasDark : canvasLight;
+    final surface = isDark ? surfaceDark : surfaceLight;
+    final soft = isDark ? softFillDark : softFillLight;
+
     final scheme = ColorScheme(
       brightness: brightness,
       primary: primary,
       onPrimary: onPrimary,
-      primaryContainer: isDark ? tealSoftDark : tealSoft,
-      onPrimaryContainer: isDark ? tealBright : const Color(0xFF0A4F4A),
+      primaryContainer: isDark ? accentSoftDark : accentSoftLight,
+      onPrimaryContainer: primary,
       secondary: isDark ? twinAmberDark : twinAmberLight,
       onSecondary: isDark ? canvasDark : Colors.white,
-      secondaryContainer: isDark ? const Color(0xFF3D2E14) : const Color(0xFFFFE8C8),
-      onSecondaryContainer: isDark ? twinAmberDark : twinAmberLight,
+      secondaryContainer: soft,
+      onSecondaryContainer: muted,
       tertiary: primary,
       onTertiary: onPrimary,
       error: isDark ? const Color(0xFFF87171) : const Color(0xFFB91C1C),
       onError: Colors.white,
-      surface: isDark ? surfaceDark : surfaceLight,
-      onSurface: isDark ? inkDark : inkLight,
-      onSurfaceVariant: isDark ? mutedDark : mutedLight,
-      outline: isDark ? lineDark : lineLight,
-      outlineVariant: isDark ? lineDark : lineLight,
-      surfaceContainerHighest: isDark ? const Color(0xFF24272F) : const Color(0xFFEFEEEA),
-      surfaceContainerHigh: isDark ? const Color(0xFF20232A) : const Color(0xFFF3F2EE),
-      surfaceContainer: isDark ? surfaceDark : surfaceLight,
+      surface: surface,
+      onSurface: ink,
+      onSurfaceVariant: muted,
+      outline: line,
+      outlineVariant: line,
+      surfaceContainerHighest: soft,
+      surfaceContainerHigh: soft,
+      surfaceContainer: surface,
     );
 
-    final baseText = GoogleFonts.plusJakartaSansTextTheme();
-    final textTheme = _textTheme(baseText, scheme.onSurface);
-
-    final panel = glassFill(brightness);
-    final edge = glassBorder(brightness);
-    final shadow = glassShadow(brightness);
-    final shape = RoundedRectangleBorder(
-      borderRadius: BorderRadius.circular(16),
-      side: BorderSide(color: edge),
-    );
+    final textTheme = _textTheme(GoogleFonts.plusJakartaSansTextTheme(), ink);
 
     return ThemeData(
       useMaterial3: true,
@@ -130,70 +109,76 @@ class AppTheme {
       textTheme: textTheme,
       primaryTextTheme: textTheme,
       appBarTheme: AppBarTheme(
-        backgroundColor: Colors.transparent,
-        foregroundColor: scheme.onSurface,
+        backgroundColor: canvas.withValues(alpha: 0.92),
+        foregroundColor: ink,
         surfaceTintColor: Colors.transparent,
         elevation: 0,
         scrolledUnderElevation: 0,
         centerTitle: false,
-        titleTextStyle: textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w700, letterSpacing: -0.3),
+        titleTextStyle: textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w600, letterSpacing: -0.2),
       ),
       cardTheme: CardThemeData(
         elevation: 0,
-        shadowColor: shadow,
-        color: panel,
-        shape: shape,
+        color: surface,
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(rPanel),
+          side: BorderSide(color: line),
+        ),
         margin: EdgeInsets.zero,
       ),
       listTileTheme: ListTileThemeData(
-        iconColor: scheme.onSurfaceVariant,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
-        contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 4),
-        minVerticalPadding: 10,
+        iconColor: muted,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rPanel)),
+        contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 2),
+        minVerticalPadding: 8,
       ),
-      dividerTheme: DividerThemeData(color: edge, space: 1, thickness: 1),
+      dividerTheme: DividerThemeData(color: line, space: 1, thickness: 1),
       inputDecorationTheme: InputDecorationTheme(
         filled: true,
-        fillColor: isDark ? const Color(0xFF14161C) : const Color(0xFFF0EFEC),
-        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
+        fillColor: surface,
+        contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
         border: OutlineInputBorder(
-          borderRadius: BorderRadius.circular(14),
-          borderSide: BorderSide(color: edge),
+          borderRadius: BorderRadius.circular(rInput),
+          borderSide: BorderSide(color: line),
         ),
         enabledBorder: OutlineInputBorder(
-          borderRadius: BorderRadius.circular(14),
-          borderSide: BorderSide(color: edge),
+          borderRadius: BorderRadius.circular(rInput),
+          borderSide: BorderSide(color: line),
         ),
         focusedBorder: OutlineInputBorder(
-          borderRadius: BorderRadius.circular(14),
-          borderSide: BorderSide(color: primary, width: 1.5),
+          borderRadius: BorderRadius.circular(rInput),
+          borderSide: BorderSide(color: primary, width: 1.2),
         ),
         errorBorder: OutlineInputBorder(
-          borderRadius: BorderRadius.circular(14),
+          borderRadius: BorderRadius.circular(rInput),
           borderSide: BorderSide(color: scheme.error),
         ),
         focusedErrorBorder: OutlineInputBorder(
-          borderRadius: BorderRadius.circular(14),
-          borderSide: BorderSide(color: scheme.error, width: 1.5),
+          borderRadius: BorderRadius.circular(rInput),
+          borderSide: BorderSide(color: scheme.error, width: 1.2),
         ),
-        hintStyle: TextStyle(color: scheme.onSurfaceVariant.withValues(alpha: 0.75)),
+        hintStyle: TextStyle(color: muted.withValues(alpha: 0.8)),
+        labelStyle: TextStyle(color: muted, fontWeight: FontWeight.w500),
       ),
       filledButtonTheme: FilledButtonThemeData(
         style: FilledButton.styleFrom(
-          backgroundColor: primary,
-          foregroundColor: onPrimary,
-          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
-          textStyle: const TextStyle(fontWeight: FontWeight.w700),
+          backgroundColor: isDark ? inkDark : inkLight,
+          foregroundColor: isDark ? canvasDark : Colors.white,
+          padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 12),
+          minimumSize: const Size(0, 46),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rButton)),
+          textStyle: const TextStyle(fontWeight: FontWeight.w600, fontSize: 15),
           elevation: 0,
         ),
       ),
+      tonalButtonTheme: null,
       outlinedButtonTheme: OutlinedButtonThemeData(
         style: OutlinedButton.styleFrom(
-          foregroundColor: scheme.onSurface,
-          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
-          side: BorderSide(color: edge),
+          foregroundColor: ink,
+          padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 12),
+          minimumSize: const Size(0, 46),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rButton)),
+          side: BorderSide(color: line),
         ),
       ),
       textButtonTheme: TextButtonThemeData(
@@ -204,60 +189,70 @@ class AppTheme {
       ),
       iconButtonTheme: IconButtonThemeData(
         style: IconButton.styleFrom(
-          foregroundColor: scheme.onSurfaceVariant,
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          foregroundColor: muted,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
         ),
       ),
       chipTheme: ChipThemeData(
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
-        side: BorderSide(color: edge),
-        backgroundColor: panel,
-        labelStyle: TextStyle(color: scheme.onSurfaceVariant, fontWeight: FontWeight.w600, fontSize: 12),
-        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        side: BorderSide(color: line),
+        backgroundColor: surface,
+        labelStyle: TextStyle(color: muted, fontWeight: FontWeight.w500, fontSize: 12),
+        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
       ),
       floatingActionButtonTheme: FloatingActionButtonThemeData(
-        backgroundColor: primary,
-        foregroundColor: onPrimary,
-        elevation: 2,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+        backgroundColor: isDark ? inkDark : inkLight,
+        foregroundColor: isDark ? canvasDark : Colors.white,
+        elevation: 0,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rButton)),
       ),
       snackBarTheme: SnackBarThemeData(
         behavior: SnackBarBehavior.floating,
-        backgroundColor: isDark ? surfaceDark : inkLight,
+        backgroundColor: isDark ? softFillDark : inkLight,
         contentTextStyle: TextStyle(color: isDark ? inkDark : Colors.white),
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rPanel)),
+        elevation: 0,
       ),
       dialogTheme: DialogThemeData(
-        backgroundColor: panel,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+        backgroundColor: surface,
+        elevation: 0,
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(16),
+          side: BorderSide(color: line),
+        ),
       ),
       progressIndicatorTheme: ProgressIndicatorThemeData(color: primary),
-      bannerTheme: MaterialBannerThemeData(backgroundColor: panel, padding: const EdgeInsets.all(16)),
+      bannerTheme: MaterialBannerThemeData(backgroundColor: surface, padding: const EdgeInsets.all(16)),
+      segmentedButtonTheme: SegmentedButtonThemeData(
+        style: SegmentedButton.styleFrom(
+          backgroundColor: surface,
+          foregroundColor: muted,
+          selectedForegroundColor: ink,
+          selectedBackgroundColor: soft,
+          side: BorderSide(color: line),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(rButton)),
+          padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
+        ),
+      ),
     );
   }
 
   static TextTheme _textTheme(TextTheme base, Color ink) {
     TextStyle s(TextStyle? t, {FontWeight? w, double? size, double? ls, double? h}) =>
-        (t ?? const TextStyle()).copyWith(
-          color: ink,
-          fontWeight: w,
-          fontSize: size,
-          letterSpacing: ls,
-          height: h,
-        );
+        (t ?? const TextStyle()).copyWith(color: ink, fontWeight: w, fontSize: size, letterSpacing: ls, height: h);
 
     return base.copyWith(
-      displayLarge: s(base.displayLarge, w: FontWeight.w700, size: 40, ls: -1.2),
-      displaySmall: s(base.displaySmall, w: FontWeight.w700, size: 32, ls: -0.8),
-      headlineSmall: s(base.headlineSmall, w: FontWeight.w700, size: 22, ls: -0.3),
-      titleLarge: s(base.titleLarge, w: FontWeight.w700, size: 18, ls: -0.2),
-      titleMedium: s(base.titleMedium, w: FontWeight.w600, size: 16),
+      displayLarge: s(base.displayLarge, w: FontWeight.w600, size: 36, ls: -1.0),
+      displaySmall: s(base.displaySmall, w: FontWeight.w600, size: 28, ls: -0.6),
+      headlineSmall: s(base.headlineSmall, w: FontWeight.w600, size: 20, ls: -0.2),
+      titleLarge: s(base.titleLarge, w: FontWeight.w600, size: 17, ls: -0.2),
+      titleMedium: s(base.titleMedium, w: FontWeight.w600, size: 15),
       titleSmall: s(base.titleSmall, w: FontWeight.w600, size: 14),
-      bodyLarge: s(base.bodyLarge, w: FontWeight.w400, size: 16, h: 1.45),
+      bodyLarge: s(base.bodyLarge, w: FontWeight.w400, size: 15, h: 1.45),
       bodyMedium: s(base.bodyMedium, w: FontWeight.w400, size: 14, h: 1.45),
       bodySmall: s(base.bodySmall, w: FontWeight.w400, size: 12, h: 1.4),
-      labelLarge: s(base.labelLarge, w: FontWeight.w600, size: 14),
-      labelSmall: s(base.labelSmall, w: FontWeight.w600, size: 11, ls: 0.1),
+      labelLarge: s(base.labelLarge, w: FontWeight.w500, size: 13),
+      labelSmall: s(base.labelSmall, w: FontWeight.w500, size: 11),
     );
   }
 }
diff --git a/mobile/lib/widgets/brand_mark.dart b/mobile/lib/widgets/brand_mark.dart
index 786f97d..962226c 100644
--- a/mobile/lib/widgets/brand_mark.dart
+++ b/mobile/lib/widgets/brand_mark.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../theme/app_theme.dart';
 
-/// Quiet Ink brand mark — solid teal tile with a "Y" monogram.
+/// Soft Neutral brand mark — ink monogram, no glow or heavy tile chrome.
 class BrandMark extends StatelessWidget {
   const BrandMark({super.key, this.size = 64});
 
@@ -11,30 +11,22 @@ class BrandMark extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final isDark = Theme.of(context).brightness == Brightness.dark;
-    final fill = isDark ? AppTheme.tealBright : AppTheme.teal;
+    final fill = isDark ? AppTheme.inkDark : AppTheme.inkLight;
     final fg = isDark ? AppTheme.canvasDark : Colors.white;
-    final radius = size * 0.28;
     return Container(
       width: size,
       height: size,
       decoration: BoxDecoration(
         color: fill,
-        borderRadius: BorderRadius.circular(radius),
-        boxShadow: [
-          BoxShadow(
-            color: AppTheme.teal.withValues(alpha: isDark ? 0.25 : 0.18),
-            blurRadius: size * 0.22,
-            offset: Offset(0, size * 0.08),
-          ),
-        ],
+        borderRadius: BorderRadius.circular(AppTheme.rPanel),
       ),
       alignment: Alignment.center,
       child: Text(
         'Y',
         style: TextStyle(
           color: fg,
-          fontWeight: FontWeight.w800,
-          fontSize: size * 0.44,
+          fontWeight: FontWeight.w700,
+          fontSize: size * 0.42,
           height: 1,
           letterSpacing: -0.5,
         ),
diff --git a/mobile/lib/widgets/gradient_text.dart b/mobile/lib/widgets/gradient_text.dart
index a21da74..c1b3d90 100644
--- a/mobile/lib/widgets/gradient_text.dart
+++ b/mobile/lib/widgets/gradient_text.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../theme/app_theme.dart';
 
-/// Brand wordmark — ink (not rainbow gradient) so Quiet Ink stays calm.
+/// Brand wordmark — ink weight, no rainbow gradient.
 class GradientText extends StatelessWidget {
   const GradientText(this.text, {super.key, this.style, this.textAlign});
 
@@ -16,7 +16,7 @@ class GradientText extends StatelessWidget {
     return Text(
       text,
       textAlign: textAlign,
-      style: (style ?? const TextStyle()).copyWith(color: ink, fontWeight: FontWeight.w800),
+      style: (style ?? const TextStyle()).copyWith(color: ink, fontWeight: FontWeight.w700),
     );
   }
 }
diff --git a/mobile/lib/widgets/message_bubble.dart b/mobile/lib/widgets/message_bubble.dart
index 3bbd422..8ef3a4f 100644
--- a/mobile/lib/widgets/message_bubble.dart
+++ b/mobile/lib/widgets/message_bubble.dart
@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import '../models/models.dart';
 import '../theme/app_theme.dart';
 
-/// Twin messages get a dashed border + badge (PRD §3.1 와카뷰 뱃지).
+/// Twin messages get a warm thin border + label (PRD §3.1 와카뷰 뱃지).
 class MessageBubble extends StatelessWidget {
   const MessageBubble({
     super.key,
@@ -34,49 +34,54 @@ class MessageBubble extends StatelessWidget {
 
     final Color bg;
     final Color fg;
+    Border? border;
     if (retracted) {
       bg = scheme.surfaceContainerHigh;
       fg = scheme.onSurfaceVariant;
+    } else if (twin) {
+      bg = brightness == Brightness.dark
+          ? const Color(0xFF221C14)
+          : const Color(0xFFFAF6F0);
+      fg = scheme.onSurface;
+      border = Border.all(color: accent.withValues(alpha: 0.4), width: 1);
     } else if (isMine) {
       bg = AppTheme.mineBubble(brightness);
       fg = AppTheme.mineBubbleFg(brightness);
     } else {
       bg = AppTheme.peerBubble(brightness);
       fg = scheme.onSurface;
+      border = Border.all(color: scheme.outlineVariant.withValues(alpha: 0.9));
     }
 
     final radius = BorderRadius.only(
-      topLeft: const Radius.circular(18),
-      topRight: const Radius.circular(18),
-      bottomLeft: Radius.circular(isMine ? 18 : 5),
-      bottomRight: Radius.circular(isMine ? 5 : 18),
+      topLeft: const Radius.circular(AppTheme.rBubble),
+      topRight: const Radius.circular(AppTheme.rBubble),
+      bottomLeft: Radius.circular(isMine ? AppTheme.rBubble : 6),
+      bottomRight: Radius.circular(isMine ? 6 : AppTheme.rBubble),
     );
 
     final bubble = Container(
       constraints: BoxConstraints(maxWidth: MediaQuery.sizeOf(context).width * 0.76),
       padding: const EdgeInsets.fromLTRB(14, 10, 14, 8),
-      decoration: BoxDecoration(color: bg, borderRadius: radius),
+      decoration: BoxDecoration(
+        color: bg,
+        borderRadius: radius,
+        border: border,
+      ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: [
           if (twin)
             Padding(
-              padding: const EdgeInsets.only(bottom: 6),
-              child: Row(
-                mainAxisSize: MainAxisSize.min,
-                children: [
-                  Icon(Icons.auto_awesome, size: 13, color: accent),
-                  const SizedBox(width: 4),
-                  Text(
-                    '와카뷰',
-                    style: theme.textTheme.labelSmall?.copyWith(
-                      color: accent,
-                      fontWeight: FontWeight.w800,
-                      letterSpacing: 0.2,
-                    ),
-                  ),
-                ],
+              padding: const EdgeInsets.only(bottom: 4),
+              child: Text(
+                '와카뷰',
+                style: theme.textTheme.labelSmall?.copyWith(
+                  color: accent,
+                  fontWeight: FontWeight.w700,
+                  letterSpacing: 0.2,
+                ),
               ),
             ),
           if (retracted)
@@ -109,12 +114,7 @@ class MessageBubble extends StatelessWidget {
       crossAxisAlignment: isMine ? CrossAxisAlignment.end : CrossAxisAlignment.start,
       mainAxisSize: MainAxisSize.min,
       children: [
-        twin
-            ? CustomPaint(
-                painter: _DashedRRectPainter(color: accent, radius: radius),
-                child: bubble,
-              )
-            : bubble,
+        bubble,
         if (twin && isMine && !retracted && onRetract != null)
           Padding(
             padding: const EdgeInsets.only(top: 2, right: 4, left: 4),
@@ -143,39 +143,3 @@ class MessageBubble extends StatelessWidget {
     );
   }
 }
-
-class _DashedRRectPainter extends CustomPainter {
-  _DashedRRectPainter({required this.color, required this.radius});
-
-  final Color color;
-  final BorderRadius radius;
-
-  @override
-  void paint(Canvas canvas, Size size) {
-    final paint = Paint()
-      ..color = color
-      ..style = PaintingStyle.stroke
-      ..strokeWidth = 1.2;
-    final rrect = radius.toRRect(Rect.fromLTWH(0.7, 0.7, size.width - 1.4, size.height - 1.4));
-    final path = Path()..addRRect(rrect);
-    canvas.drawPath(_dashPath(path, dashLength: 5, gapLength: 4), paint);
-  }
-
-  Path _dashPath(Path source, {required double dashLength, required double gapLength}) {
-    final metrics = source.computeMetrics();
-    final out = Path();
-    for (final metric in metrics) {
-      var distance = 0.0;
-      while (distance < metric.length) {
-        final next = distance + dashLength;
-        out.addPath(metric.extractPath(distance, next.clamp(0, metric.length)), Offset.zero);
-        distance = next + gapLength;
-      }
-    }
-    return out;
-  }
-
-  @override
-  bool shouldRepaint(covariant _DashedRRectPainter oldDelegate) =>
-      oldDelegate.color != color || oldDelegate.radius != radius;
-}
diff --git a/mobile/lib/widgets/my_user_id_chip.dart b/mobile/lib/widgets/my_user_id_chip.dart
index a635b31..fd88bca 100644
--- a/mobile/lib/widgets/my_user_id_chip.dart
+++ b/mobile/lib/widgets/my_user_id_chip.dart
@@ -34,19 +34,19 @@ class MyUserIdChip extends StatelessWidget {
     final brightness = theme.brightness;
     return Material(
       color: AppTheme.glassFill(brightness),
-      borderRadius: BorderRadius.circular(14),
+      borderRadius: BorderRadius.circular(AppTheme.rPanel),
       child: InkWell(
-        borderRadius: BorderRadius.circular(14),
+        borderRadius: BorderRadius.circular(AppTheme.rPanel),
         onTap: () => _copy(context),
         child: Container(
           padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
           decoration: BoxDecoration(
-            borderRadius: BorderRadius.circular(14),
+            borderRadius: BorderRadius.circular(AppTheme.rPanel),
             border: Border.all(color: AppTheme.glassBorder(brightness)),
           ),
           child: Row(
             children: [
-              Icon(Icons.badge_outlined, size: 18, color: theme.colorScheme.primary),
+              Icon(Icons.badge_outlined, size: 18, color: theme.colorScheme.onSurfaceVariant),
               const SizedBox(width: 10),
               Expanded(
                 child: Column(
@@ -61,8 +61,8 @@ class MyUserIdChip extends StatelessWidget {
                     Text(
                       '$userId',
                       style: theme.textTheme.titleMedium?.copyWith(
-                        fontWeight: FontWeight.w700,
-                        letterSpacing: 0.4,
+                        fontWeight: FontWeight.w600,
+                        letterSpacing: 0.3,
                       ),
                     ),
                   ],
@@ -72,7 +72,7 @@ class MyUserIdChip extends StatelessWidget {
                 '복사',
                 style: theme.textTheme.labelSmall?.copyWith(
                   color: theme.colorScheme.primary,
-                  fontWeight: FontWeight.w700,
+                  fontWeight: FontWeight.w600,
                 ),
               ),
               const SizedBox(width: 4),
diff --git a/mobile/lib/widgets/primary_gradient_button.dart b/mobile/lib/widgets/primary_gradient_button.dart
index fc72997..7e9519c 100644
--- a/mobile/lib/widgets/primary_gradient_button.dart
+++ b/mobile/lib/widgets/primary_gradient_button.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../theme/app_theme.dart';
 
-/// Primary CTA — solid teal (API name kept for existing call sites).
+/// Primary CTA — Soft Neutral ink fill (API name kept for call sites).
 class PrimaryGradientButton extends StatelessWidget {
   const PrimaryGradientButton({
     super.key,
@@ -18,28 +18,34 @@ class PrimaryGradientButton extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final isDark = Theme.of(context).brightness == Brightness.dark;
-    final bg = isDark ? AppTheme.tealBright : AppTheme.teal;
+    final bg = isDark ? AppTheme.inkDark : AppTheme.inkLight;
     final fg = isDark ? AppTheme.canvasDark : Colors.white;
     final disabled = onPressed == null || loading;
     return SizedBox(
-      height: 52,
+      height: 48,
       width: double.infinity,
       child: FilledButton(
         onPressed: disabled && !loading ? null : onPressed,
         style: FilledButton.styleFrom(
           backgroundColor: bg,
           foregroundColor: fg,
-          disabledBackgroundColor: bg.withValues(alpha: 0.4),
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
+          disabledBackgroundColor: bg.withValues(alpha: 0.35),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(AppTheme.rButton),
+          ),
           elevation: 0,
+          shadowColor: Colors.transparent,
         ),
         child: loading
             ? SizedBox(
-                height: 20,
-                width: 20,
+                height: 18,
+                width: 18,
                 child: CircularProgressIndicator(strokeWidth: 2, color: fg),
               )
-            : Text(label, style: TextStyle(color: fg, fontWeight: FontWeight.w700, fontSize: 16)),
+            : Text(
+                label,
+                style: TextStyle(color: fg, fontWeight: FontWeight.w600, fontSize: 15),
+              ),
       ),
     );
   }