Kantongku: bottom nav floating premium (rounded + shadow + pill aktif + FAB gradient)

src/navigation/index.tsx

@@ -1,7 +1,9 @@
 import { Ionicons } from '@expo/vector-icons';
+import { LinearGradient } from 'expo-linear-gradient';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 import { createNativeStackNavigator } from '@react-navigation/native-stack';
 import { Pressable, StyleSheet, View } from 'react-native';
+import { useSafeAreaInsets } from 'react-native-safe-area-context';
 import { colors } from '../theme/colors';
 import { DashboardScreen } from '../screens/DashboardScreen';
 import { HistoryScreen } from '../screens/HistoryScreen';
@@ -48,11 +50,13 @@ const tabIcon =
   (focusedName: IoniconName, unfocusedName: IoniconName) =>
   ({ color, size, focused }: { color: string; size: number; focused: boolean }) =>
     (
-      <Ionicons
-        name={focused ? focusedName : unfocusedName}
-        size={size}
-        color={color}
-      />
+      <View style={[styles.tabIconWrap, focused && styles.tabIconWrapActive]}>
+        <Ionicons
+          name={focused ? focusedName : unfocusedName}
+          size={size}
+          color={color}
+        />
+      </View>
     );
 
 /** Tombol "+" melingkar di tengah tab bar (FAB) */
@@ -70,21 +74,30 @@ function FabButton({
       style={({ pressed }) => [styles.fabWrapper, pressed && styles.fabPressed]}
       hitSlop={8}
     >
-      <View style={[styles.fab, focused && styles.fabActive]}>
+      <LinearGradient
+        colors={[colors.primary, colors.primaryDark]}
+        start={{ x: 0, y: 0 }}
+        end={{ x: 1, y: 1 }}
+        style={[styles.fab, focused && styles.fabActive]}
+      >
         <Ionicons name="add" size={32} color={colors.white} />
-      </View>
+      </LinearGradient>
     </Pressable>
   );
 }
 
 function MainTabs() {
+  const insets = useSafeAreaInsets();
   return (
     <Tab.Navigator
       screenOptions={{
         tabBarActiveTintColor: colors.primary,
         tabBarInactiveTintColor: colors.textMuted,
         tabBarLabelStyle: styles.tabLabel,
-        tabBarStyle: styles.tabBar,
+        tabBarStyle: [
+          styles.tabBar,
+          { bottom: insets.bottom > 0 ? insets.bottom + 10 : 14 },
+        ],
         headerTitleStyle: { fontWeight: '700', color: colors.text },
         headerStyle: { backgroundColor: colors.background },
         headerShadowVisible: false,
@@ -200,40 +213,57 @@ export function RootNavigator({
 
 const styles = StyleSheet.create({
   tabBar: {
+    position: 'absolute',
+    left: 14,
+    right: 14,
+    height: 64,
+    borderRadius: 26,
     backgroundColor: colors.surface,
-    borderTopColor: colors.border,
-    borderTopWidth: 1,
-    height: 62,
-    paddingTop: 4,
+    borderTopWidth: 0,
+    paddingTop: 6,
     paddingBottom: 6,
+    shadowColor: '#0F172A',
+    shadowOpacity: 0.14,
+    shadowRadius: 18,
+    shadowOffset: { width: 0, height: 8 },
+    elevation: 12,
   },
   tabLabel: {
     fontSize: 10,
     fontWeight: '600',
   },
+  tabIconWrap: {
+    width: 40,
+    height: 30,
+    borderRadius: 15,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  tabIconWrapActive: {
+    backgroundColor: colors.primarySoft,
+  },
   fabWrapper: {
     flex: 1,
     alignItems: 'center',
     justifyContent: 'center',
-    top: -24,
+    top: -26,
   },
   fabPressed: { opacity: 0.85 },
   fab: {
-    width: 58,
-    height: 58,
-    borderRadius: 29,
-    backgroundColor: colors.primary,
+    width: 60,
+    height: 60,
+    borderRadius: 30,
     alignItems: 'center',
     justifyContent: 'center',
     borderWidth: 4,
     borderColor: colors.surface,
     shadowColor: colors.primaryDark,
-    shadowOpacity: 0.35,
-    shadowRadius: 10,
-    shadowOffset: { width: 0, height: 5 },
-    elevation: 8,
+    shadowOpacity: 0.4,
+    shadowRadius: 12,
+    shadowOffset: { width: 0, height: 6 },
+    elevation: 10,
   },
   fabActive: {
-    backgroundColor: colors.primaryDark,
+    shadowOpacity: 0.55,
   },
 });

src/screens/AddTransactionScreen.tsx

@@ -243,7 +243,7 @@ export function AddTransactionScreen() {
 const styles = StyleSheet.create({
   flex: { flex: 1, backgroundColor: colors.background },
   container: { flex: 1 },
-  content: { padding: 16, paddingBottom: 32 },
+  content: { padding: 16, paddingBottom: 110 },
   toggleRow: {
     flexDirection: 'row',
     backgroundColor: colors.surface,
@@ -336,6 +336,7 @@ const styles = StyleSheet.create({
   noteInput: { paddingVertical: 10, fontSize: 14, color: colors.text },
   saveBar: {
     padding: 16,
+    paddingBottom: 84,
     backgroundColor: colors.background,
     borderTopWidth: 1,
     borderTopColor: colors.border,

src/screens/DashboardScreen.tsx

@@ -718,7 +718,7 @@ const styles = StyleSheet.create({
     overflow: 'hidden',
   },
   container: { flex: 1 },
-  content: { paddingBottom: 32 },
+  content: { paddingBottom: 110 },
   header: { paddingHorizontal: 16, paddingTop: 12, paddingBottom: 8, marginBottom: 12 },
   headerRow: {
     flexDirection: 'row',

src/screens/HistoryScreen.tsx

@@ -351,7 +351,7 @@ function DonutChart({
 
 const styles = StyleSheet.create({
   container: { flex: 1, backgroundColor: colors.background },
-  listContent: { paddingBottom: 32 },
+  listContent: { paddingBottom: 110 },
   card: {
     backgroundColor: colors.surface,
     borderRadius: 16,

src/screens/SavingsScreen.tsx

@@ -333,7 +333,7 @@ function ComparisonCard({ current, previous }: { current: number; previous: numb
 
 const styles = StyleSheet.create({
   container: { flex: 1, backgroundColor: colors.background },
-  content: { padding: 16, paddingBottom: 32 },
+  content: { padding: 16, paddingBottom: 110 },
   card: {
     backgroundColor: colors.surface,
     borderRadius: 16,

src/screens/SettingsScreen.tsx

@@ -595,7 +595,7 @@ export function SettingsScreen() {
 
 const styles = StyleSheet.create({
   container: { flex: 1, backgroundColor: colors.background },
-  content: { padding: 16, paddingBottom: 32 },
+  content: { padding: 16, paddingBottom: 110 },
   sectionTitle: {
     fontSize: 16,
     fontWeight: '700',