refactor: enhance padding customization in NuvioScreen and related components

composeApp/src/commonMain/kotlin/com/nuvio/app/core/ui/NuvioComponents.kt

@@ -41,11 +41,13 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 
 @Composable
 fun NuvioScreen(
     modifier: Modifier = Modifier,
+    horizontalPadding: Dp = 16.dp,
     content: LazyListScope.() -> Unit,
 ) {
     val statusBarTop = WindowInsets.statusBars.asPaddingValues().calculateTopPadding()
@@ -54,9 +56,9 @@ fun NuvioScreen(
             .fillMaxSize()
             .background(MaterialTheme.colorScheme.background),
         contentPadding = PaddingValues(
-            start = 16.dp,
+            start = horizontalPadding,
             top = 10.dp + statusBarTop + nuvioPlatformExtraTopPadding,
-            end = 16.dp,
+            end = horizontalPadding,
             bottom = 18.dp + nuvioPlatformExtraBottomPadding,
         ),
         verticalArrangement = Arrangement.spacedBy(12.dp),

composeApp/src/commonMain/kotlin/com/nuvio/app/core/ui/NuvioShelfComponents.kt

@@ -5,6 +5,7 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 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.aspectRatio
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -24,6 +25,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -40,6 +42,8 @@ fun <T> NuvioShelfSection(
     title: String,
     entries: List<T>,
     modifier: Modifier = Modifier,
+    headerHorizontalPadding: Dp = 0.dp,
+    rowContentPadding: PaddingValues = PaddingValues(0.dp),
     onViewAllClick: (() -> Unit)? = null,
     key: ((T) -> Any)? = null,
     itemContent: @Composable (T) -> Unit,
@@ -50,9 +54,11 @@ fun <T> NuvioShelfSection(
     ) {
         NuvioShelfSectionHeader(
             title = title,
+            modifier = Modifier.padding(horizontal = headerHorizontalPadding),
             onViewAllClick = onViewAllClick,
         )
         LazyRow(
+            contentPadding = rowContentPadding,
             horizontalArrangement = Arrangement.spacedBy(10.dp),
         ) {
             if (key != null) {
@@ -205,4 +211,4 @@ private val NuvioPosterShape.aspectRatio: Float
         NuvioPosterShape.Poster -> 0.675f
         NuvioPosterShape.Square -> 1f
         NuvioPosterShape.Landscape -> 1.77f
-    }
+    }

composeApp/src/commonMain/kotlin/com/nuvio/app/features/home/HomeScreen.kt

@@ -1,7 +1,5 @@
 package com.nuvio.app.features.home
 
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.rounded.Refresh
 import androidx.compose.foundation.layout.padding
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -45,11 +43,15 @@ fun HomeScreen(
         HomeRepository.refresh(addonsUiState.addons)
     }
 
-    NuvioScreen(modifier = modifier) {
+    NuvioScreen(
+        modifier = modifier,
+        horizontalPadding = 0.dp,
+    ) {
         when {
             addonsUiState.addons.none { it.manifest != null } -> {
                 item {
                     HomeEmptyStateCard(
+                        modifier = Modifier.padding(horizontal = 16.dp),
                         title = "No active addons",
                         message = "Install and validate at least one addon before loading catalog rows on Home.",
                     )
@@ -58,13 +60,14 @@ fun HomeScreen(
 
             homeUiState.isLoading && homeUiState.sections.isEmpty() -> {
                 items(3) {
-                    HomeSkeletonRow()
+                    HomeSkeletonRow(modifier = Modifier.padding(horizontal = 16.dp))
                 }
             }
 
             homeUiState.sections.isEmpty() -> {
                 item {
                     HomeEmptyStateCard(
+                        modifier = Modifier.padding(horizontal = 16.dp),
                         title = "No home rows available",
                         message = homeUiState.errorMessage
                             ?: "Installed addons do not currently expose board-compatible catalogs without required extras.",

composeApp/src/commonMain/kotlin/com/nuvio/app/features/home/components/HomeCatalogSection.kt

@@ -2,6 +2,7 @@ package com.nuvio.app.features.home.components
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
 import com.nuvio.app.core.ui.NuvioShelfSection
 import com.nuvio.app.features.home.HomeCatalogSection
 import com.nuvio.app.features.home.MetaPreview
@@ -17,6 +18,8 @@ fun HomeCatalogRowSection(
         title = section.title,
         entries = section.items,
         modifier = modifier,
+        headerHorizontalPadding = 16.dp,
+        rowContentPadding = androidx.compose.foundation.layout.PaddingValues(horizontal = 16.dp),
         onViewAllClick = onViewAllClick,
         key = { item -> item.id },
     ) { item ->

composeApp/src/commonMain/kotlin/com/nuvio/app/features/home/components/HomeStateCards.kt

@@ -14,10 +14,11 @@ import com.nuvio.app.core.ui.NuvioSurfaceCard
 fun HomeEmptyStateCard(
     title: String,
     message: String,
+    modifier: Modifier = Modifier,
     actionLabel: String? = null,
     onActionClick: (() -> Unit)? = null,
 ) {
-    NuvioSurfaceCard {
+    NuvioSurfaceCard(modifier = modifier) {
         Text(
             text = title,
             style = MaterialTheme.typography.titleLarge,