[FIX/#59] 바텀 내비게이션 백스택 정리

app/src/main/java/org/app/core/designsystem/component/topbar/MoballTopBar.kt

@@ -1,5 +1,6 @@
 package org.app.core.designsystem.component.topbar
 
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
@@ -42,7 +43,8 @@ fun MoballTopBar(
         modifier = modifier
             .fillMaxWidth()
             .heightIn(min = 56.dp)
-            .height(IntrinsicSize.Min),
+            .height(IntrinsicSize.Min)
+            .background(MoballTheme.colors.staticWhite),
     ) {
         Row(
             modifier = Modifier

app/src/main/java/org/app/core/designsystem/theme/Color.kt

@@ -153,7 +153,7 @@ data class MoballColors(
 
 val defaultMoballColors = MoballColors(
     // Background
-    backgroundBase = backGround,
+    backgroundBase = white,
     backgroundSurface = coolNeutral130,
     backgroundScrim = coolNeutral800,
     // Border & Line

app/src/main/java/org/app/presentation/main/MainAppState.kt

@@ -15,7 +15,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
 import org.app.core.extension.stateInWhileSubscribed
-import org.app.presentation.home.navigation.HomeGraph
+import org.app.presentation.home.navigation.Home
 import org.app.presentation.home.navigation.navigateToHome
 import org.app.presentation.mypage.navigateToMyPage
 import org.app.presentation.onboarding.splash.navigation.Splash
@@ -69,7 +69,7 @@ class MainAppState(
 
     fun navigate(tab: MainTab) {
         val navOptions = navOptions {
-            popUpTo<HomeGraph> {
+            popUpTo<Home> {
                 saveState = true
             }
             launchSingleTop = true

app/src/main/java/org/app/presentation/main/MainScreen.kt

@@ -27,6 +27,7 @@ import org.app.presentation.onboarding.signup.navigation.SignUpNickname
 import org.app.presentation.onboarding.signup.navigation.signUpGraph
 import org.app.presentation.onboarding.splash.navigation.Splash
 import org.app.presentation.onboarding.splash.navigation.splashGraph
+import org.app.presentation.pubdetail.navigation.PubDetail
 import org.app.presentation.pubdetail.navigation.navigateToPubDetail
 import org.app.presentation.pubdetail.navigation.pubDetailGraph
 import org.app.presentation.schedule.navigation.scheduleGraph
@@ -73,8 +74,6 @@ private fun MainNavHost(
     appState: MainAppState,
     innerPadding: PaddingValues,
 ) {
-    // 로그인·온보딩 완료 등 어두운 배경 화면은 배경을 화면 끝(시스템바 뒤)까지 그리도록 innerPadding을 적용하지 않는다.
-    // (해당 화면들은 각자 콘텐츠에 systemBarsPadding을 적용)
     val currentEntry by appState.navController.currentBackStackEntryAsState()
     val currentRoute = currentEntry?.destination?.route
     val fullBleedPrefixes = listOfNotNull(
@@ -83,14 +82,23 @@ private fun MainNavHost(
     )
     val isFullBleed = currentRoute != null && fullBleedPrefixes.any { currentRoute.startsWith(it) }
 
+    val managesOwnBottomInset = currentRoute != null &&
+        PubDetail::class.qualifiedName?.let { currentRoute.startsWith(it) } == true
+
+    val contentModifier = when {
+        isFullBleed -> Modifier.fillMaxSize()
+        managesOwnBottomInset -> Modifier.padding(top = innerPadding.calculateTopPadding())
+        else -> Modifier.padding(innerPadding)
+    }
+
     NavHost(
         enterTransition = { EnterTransition.None },
         exitTransition = { ExitTransition.None },
         popEnterTransition = { EnterTransition.None },
         popExitTransition = { ExitTransition.None },
         navController = appState.navController,
         startDestination = appState.startDestination,
-        modifier = if (isFullBleed) Modifier.fillMaxSize() else Modifier.padding(innerPadding),
+        modifier = contentModifier,
     ) {
         splashGraph(
             navigateToHome = {

app/src/main/java/org/app/presentation/pubdetail/component/PubBottomBar.kt

@@ -37,7 +37,7 @@ fun PubBottomBar(
 ) {
     Surface(
         modifier = modifier.fillMaxWidth(),
-        color = MoballTheme.colors.backgroundBase,
+        color = MoballTheme.colors.staticWhite,
         shadowElevation = 8.dp,
         tonalElevation = 0.dp,
     ) {

app/src/main/java/org/app/presentation/schedule/component/ScheduleCalendarHeader.kt

@@ -69,7 +69,7 @@ fun ScheduleCalendarHeader(
                 elevation = 20.dp,
                 spotColor = Color(0x26000000),
                 ambientColor = Color(0x26000000),
-            ).background(MoballTheme.colors.backgroundBase),
+            ).background(MoballTheme.colors.staticWhite),
     ) {
         MonthNavigationRow(
             currentMonth = currentMonth,
@@ -103,7 +103,6 @@ private fun MonthNavigationRow(
             .fillMaxWidth()
             .padding(horizontal = 16.dp),
     ) {
-        // 가운데: < 2026년 N월 > — 화면 폭과 무관하게 중앙 정렬
         Row(
             modifier = Modifier.align(Alignment.Center),
             verticalAlignment = Alignment.CenterVertically,
@@ -139,7 +138,6 @@ private fun MonthNavigationRow(
             )
         }
 
-        // 오른쪽 고정: 캘린더 아이콘
         Icon(
             imageVector = ImageVector.vectorResource(R.drawable.ic_calender),
             contentDescription = null,