fix(android): edge-to-edge insets + show all calendars in the filter

1) Burger menu (and other bottom sheets) had rows hidden behind the system
   navigation bar: MainActivity never called enableEdgeToEdge(), so the sheets'
   navigationBarsPadding resolved to 0. Enable edge-to-edge and place the insets
   ourselves — top bar statusBarsPadding, content/FAB navigationBarsPadding,
   auth screens systemBarsPadding — and add navigationBarsPadding (+ imePadding
   for the editor) to the Filter/Groups/Accounts/Editor sheets.

2) The calendar filter only listed calendars that had events in the loaded
   range, so empty calendars couldn't be toggled. Load the full calendar list
   from all sources (loadAllCalendars) and merge it with the event-derived
   entries — matching iOS, which already shows the complete list.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/src/main/java/com/scarriffle/calendarr/MainActivity.kt

@@ -3,6 +3,7 @@ package com.scarriffle.calendarr
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import com.scarriffle.calendarr.ui.CalendarrRoot
 import dagger.hilt.android.AndroidEntryPoint
@@ -13,6 +14,10 @@ class MainActivity : ComponentActivity() {
         // Covers the window from the first frame (incl. warm-start), then hands
         // off to the in-app branded splash which stays until data is loaded.
         installSplashScreen()
+        // Draw edge-to-edge so system-bar insets reach every window, including
+        // ModalBottomSheets — otherwise navigationBarsPadding() inside the sheets
+        // resolves to 0 and the bottom menu rows hide behind the nav bar.
+        enableEdgeToEdge()
         super.onCreate(savedInstanceState)
         setContent {
             CalendarrRoot()

app/src/main/java/com/scarriffle/calendarr/ui/CalendarrRoot.kt

@@ -1,6 +1,8 @@
 package com.scarriffle.calendarr.ui
 
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.systemBarsPadding
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.runtime.Composable
@@ -48,12 +50,18 @@ fun CalendarrRoot(vm: MainViewModel = hiltViewModel()) {
                 }
 
                 when (route) {
-                    AppRoute.SETUP -> ServerSetupScreen(onConfigured = vm::onServerConfigured)
-                    AppRoute.LOGIN -> LoginScreen(
-                        serverUrl = vm.serverUrl,
-                        onLoggedIn = vm::onLoggedIn,
-                        onBack = vm::switchServer,
-                    )
+                    // Auth screens draw full-screen; inset them from the system
+                    // bars (edge-to-edge) so their content isn't under status/nav.
+                    AppRoute.SETUP -> Box(Modifier.systemBarsPadding()) {
+                        ServerSetupScreen(onConfigured = vm::onServerConfigured)
+                    }
+                    AppRoute.LOGIN -> Box(Modifier.systemBarsPadding()) {
+                        LoginScreen(
+                            serverUrl = vm.serverUrl,
+                            onLoggedIn = vm::onLoggedIn,
+                            onBack = vm::switchServer,
+                        )
+                    }
                     AppRoute.MAIN -> calendarVm?.let { cvm ->
                         CalendarScreen(
                             vm = cvm,

app/src/main/java/com/scarriffle/calendarr/ui/accounts/AccountsScreen.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
@@ -430,7 +431,7 @@ private fun SharingSheet(vm: AccountsViewModel, calendarId: Int, onDismiss: () -
 
     ModalBottomSheet(onDismissRequest = onDismiss) {
         Column(
-            Modifier.fillMaxWidth().padding(horizontal = 20.dp).padding(bottom = 24.dp).verticalScroll(rememberScrollState()),
+            Modifier.fillMaxWidth().navigationBarsPadding().padding(horizontal = 20.dp).padding(bottom = 24.dp).verticalScroll(rememberScrollState()),
         ) {
             Text(tr("share.title"), style = MaterialTheme.typography.titleLarge, fontWeight = FontWeight.SemiBold)
             Spacer(Modifier.size(16.dp))

app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarFilterSheet.kt

@@ -6,8 +6,11 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Archive
@@ -60,7 +63,12 @@ fun CalendarFilterSheet(
     val hiddenSet = if (groupMode) state.hiddenGroupKeys else state.hiddenKeys
 
     ModalBottomSheet(onDismissRequest = onDismiss) {
-        Column(Modifier.fillMaxWidth().padding(horizontal = 16.dp, vertical = 8.dp)) {
+        Column(
+            Modifier.fillMaxWidth()
+                .verticalScroll(rememberScrollState())
+                .navigationBarsPadding()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+        ) {
             Row(
                 Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.SpaceBetween,

app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarScreen.kt

@@ -11,11 +11,14 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.statusBarsPadding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.ChevronLeft
@@ -169,12 +172,17 @@ fun CalendarScreen(
                 shape = CircleShape,
                 containerColor = MaterialTheme.colorScheme.primary,
                 contentColor = MaterialTheme.colorScheme.onPrimary,
+                modifier = Modifier.navigationBarsPadding(),
             ) {
                 Icon(Icons.Filled.Add, contentDescription = tr("cal.new_event"))
             }
         },
+        // Edge-to-edge: we place the system-bar insets ourselves (top bar gets
+        // statusBarsPadding, the content column gets navigationBarsPadding) so
+        // nothing hides behind the status/nav bars.
+        contentWindowInsets = WindowInsets(0),
     ) { padding ->
-        Column(Modifier.fillMaxSize().padding(padding)) {
+        Column(Modifier.fillMaxSize().padding(padding).navigationBarsPadding()) {
             state.error?.let { err ->
                 ErrorBanner(err, onRetry = { vm.loadVisible(force = true) }, onDismiss = vm::clearError)
             }
@@ -223,8 +231,9 @@ fun CalendarScreen(
     }
 
     if (showFilter) {
+        androidx.compose.runtime.LaunchedEffect(Unit) { vm.loadAllCalendars() }
         CalendarFilterSheet(
-            events = remember(state.events, state.banishedKeys) { allKnownCalendars(vm) },
+            events = remember(state.events, state.banishedKeys, state.allCalendars) { allKnownCalendars(vm) },
             vm = vm,
             onDismiss = { showFilter = false },
         )
@@ -405,8 +414,9 @@ private fun CompactTopBar(
     onSelectView: (CalViewType) -> Unit,
 ) {
     val twoLine = viewType == CalViewType.WEEK || viewType == CalViewType.DAY
+    // Surface fills behind the status bar; the content column is inset below it.
     Surface(color = MaterialTheme.colorScheme.background) {
-        Column {
+        Column(Modifier.statusBarsPadding()) {
         Row(
             Modifier.fillMaxWidth().height(50.dp).padding(horizontal = 2.dp),
             verticalAlignment = Alignment.CenterVertically,
@@ -490,8 +500,12 @@ private fun GroupBanner(group: Group, onExit: () -> Unit) {
  *  cache (minus banished) so a locally quick-hidden calendar still shows up and
  *  can be toggled back on. */
 private fun allKnownCalendars(vm: CalendarViewModel): List<CalendarFilterEntry> {
-    return vm.knownCalendars()
+    val fromEvents = vm.knownCalendars()
         .map { CalendarFilterEntry(calendarKey(it.source, it.calendarId), it.calendarName.ifBlank { it.source }, it.effectiveColor, it.source, it.readOnly) }
+    // Event-derived entries first (current server colour / owner name), then the
+    // full source list so calendars WITHOUT events in range still appear;
+    // distinctBy keeps the event-derived entry when a calendar has both.
+    return (fromEvents + vm.state.value.allCalendars)
         .distinctBy { it.key }
         .sortedBy { it.name.lowercase() }
 }

app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarViewModel.kt

@@ -55,6 +55,9 @@ data class CalendarUiState(
     // hidden keys ("gm:<userId>" / "gc"). In-memory; reset when switching group.
     val activeGroupMembers: List<GroupMember> = emptyList(),
     val hiddenGroupKeys: Set<String> = emptySet(),
+    // Full calendar list across all sources (loaded on demand) so the filter
+    // shows every calendar, including ones with no events in the loaded range.
+    val allCalendars: List<CalendarFilterEntry> = emptyList(),
 )
 
 fun groupMemberKey(ownerId: Int): String = "gm:$ownerId"
@@ -449,6 +452,47 @@ class CalendarViewModel @Inject constructor(
             .filter { calendarKey(it.source, it.calendarId) !in banished }
     }
 
+    /**
+     * Load the full calendar list across all sources into [CalendarUiState.allCalendars]
+     * so the filter shows every calendar, even ones with no events in the loaded
+     * range. Called when the filter sheet opens. Read-only flag for shared local
+     * calendars from owned/permission; banished calendars are dropped.
+     */
+    fun loadAllCalendars() {
+        viewModelScope.launch {
+            val banished = _state.value.banishedKeys
+            val entries = mutableListOf<CalendarFilterEntry>()
+            runCatching { repository.getLocalCalendars() }.getOrDefault(emptyList()).forEach { c ->
+                entries += CalendarFilterEntry(
+                    key = calendarKey("local", c.id.toString()),
+                    name = if (c.owned) c.name else (c.sharedBy ?: c.name),
+                    color = c.color,
+                    source = "local",
+                    readOnly = !c.owned && c.permission != "read_write",
+                )
+            }
+            runCatching { repository.getCalDAVAccounts() }.getOrDefault(emptyList()).forEach { acc ->
+                acc.calendars.orEmpty().forEach { c ->
+                    entries += CalendarFilterEntry(calendarKey("caldav", c.id.toString()), c.name, c.color ?: acc.color, "caldav")
+                }
+            }
+            runCatching { repository.getGoogleAccounts() }.getOrDefault(emptyList()).forEach { acc ->
+                acc.calendars.orEmpty().forEach { c ->
+                    entries += CalendarFilterEntry(calendarKey("google", c.id.toString()), c.name, c.color ?: "#4285f4", "google")
+                }
+            }
+            runCatching { repository.getHomeAssistantAccounts() }.getOrDefault(emptyList()).forEach { acc ->
+                acc.calendars.orEmpty().forEach { c ->
+                    entries += CalendarFilterEntry(calendarKey("homeassistant", c.id.toString()), c.name, c.color ?: "#46bdc6", "homeassistant")
+                }
+            }
+            runCatching { repository.getICalSubscriptions() }.getOrDefault(emptyList()).forEach { s ->
+                entries += CalendarFilterEntry(calendarKey("ical", s.id.toString()), s.name, s.color, "ical")
+            }
+            _state.update { st -> st.copy(allCalendars = entries.filter { it.key !in banished }) }
+        }
+    }
+
     /**
      * Banish ("permanently hide") a calendar, or lift the banish. Unlike the
      * quick-hide, this DOES sync to the server (`sidebar_hidden`/`enabled`) for

app/src/main/java/com/scarriffle/calendarr/ui/event/EventEditorSheet.kt

@@ -11,6 +11,8 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
@@ -149,6 +151,8 @@ fun EventEditorSheet(
         Column(
             Modifier
                 .fillMaxWidth()
+                .navigationBarsPadding()
+                .imePadding()
                 .verticalScroll(rememberScrollState())
                 .padding(horizontal = 20.dp)
                 .padding(bottom = 32.dp),

app/src/main/java/com/scarriffle/calendarr/ui/groups/GroupsScreen.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
@@ -232,7 +233,7 @@ private fun GroupEditSheet(
     }
 
     ModalBottomSheet(onDismissRequest = onDismiss) {
-        Column(Modifier.fillMaxWidth().padding(horizontal = 20.dp).padding(bottom = 24.dp).verticalScroll(rememberScrollState())) {
+        Column(Modifier.fillMaxWidth().navigationBarsPadding().padding(horizontal = 20.dp).padding(bottom = 24.dp).verticalScroll(rememberScrollState())) {
             Text(
                 if (existing == null) tr("groups.create") else tr("groups.manage"),
                 style = MaterialTheme.typography.titleLarge,