diff --git a/mobile_app/components/nodes/PendingCosigns.tsx b/mobile_app/components/nodes/PendingCosigns.tsx
index 15cdb1a7..6dc19656 100644
--- a/mobile_app/components/nodes/PendingCosigns.tsx
+++ b/mobile_app/components/nodes/PendingCosigns.tsx
@@ -3,8 +3,7 @@ import {
   NativeScrollEvent, NativeSyntheticEvent,
   ScrollView, StyleSheet, Text, View, Pressable, useWindowDimensions,
 } from 'react-native';
-import { Feather } from '@expo/vector-icons';
-import { MaterialCommunityIcons } from '@expo/vector-icons';
+import { Feather, MaterialCommunityIcons } from '@expo/vector-icons';
 import { fontFamily, useTheme } from '@/theme';
 import { useGlass } from '@/hooks/useGlass';
 
@@ -54,7 +53,7 @@ export const PendingCosigns = memo(function PendingCosigns({ items, onSign, onRe
   const isEmpty = items.length === 0;
 
   return (
-    <View style={[S.wrap, { paddingHorizontal: H_PAD }]}>
+    <View style={S.wrap}>
       {/* Section header */}
       <View style={S.labelRow}>
         <Text style={[S.sectionLabel, { color: colors.textTertiary }]}>PENDING CO-SIGNS</Text>
diff --git a/mobile_app/components/wallet/TxDetailModal.tsx b/mobile_app/components/wallet/TxDetailModal.tsx
index d356735e..70fc6209 100644
--- a/mobile_app/components/wallet/TxDetailModal.tsx
+++ b/mobile_app/components/wallet/TxDetailModal.tsx
@@ -1,15 +1,16 @@
 import * as Clipboard from "expo-clipboard";
-import * as WebBrowser from "expo-web-browser";
-import React from "react";
-import { Modal, Pressable, ScrollView, StyleSheet, Text, View } from "react-native";
+import React, { useEffect, useRef, useState } from "react";
+import { Linking, Modal, Pressable, ScrollView, StyleSheet, Text, View } from "react-native";
 import { SafeAreaView } from "react-native-safe-area-context";
 
-import { DepthButton, Icon, Pill } from "@/components/primitives";
+import { Icon, Pill } from "@/components/primitives";
 import type { ActivityEntry } from "@/src/services/walletData";
 import * as haptics from "@/src/design-system/haptics";
 import { buildDevnetExplorerTxUrl } from "@/src/services/explorer";
 import { fontFamily as FF, useTheme } from "@/theme";
 
+const COPY_FEEDBACK_MS = 1400;
+
 interface TxDetailModalProps {
   readonly tx: ActivityEntry | null;
   readonly visible: boolean;
@@ -45,13 +46,34 @@ function DetailRow({
   readonly copyValue?: string;
 }) {
   const { colors } = useTheme();
+  const [copied, setCopied] = useState(false);
+  const resetTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  useEffect(() => () => {
+    if (resetTimer.current !== null) clearTimeout(resetTimer.current);
+  }, []);
 
   async function handleCopy() {
     if (!copyValue) return;
     haptics.tap();
-    await Clipboard.setStringAsync(copyValue);
+    try {
+      await Clipboard.setStringAsync(copyValue);
+      setCopied(true);
+      // Clear any in-flight reset before scheduling the next one. Without this,
+      // rapid re-taps stack timers and an earlier one can flip `copied` back to
+      // false before the latest tap's window finishes.
+      if (resetTimer.current !== null) clearTimeout(resetTimer.current);
+      resetTimer.current = setTimeout(() => {
+        resetTimer.current = null;
+        setCopied(false);
+      }, COPY_FEEDBACK_MS);
+    } catch {
+      setCopied(false);
+    }
   }
 
+  const iconColor = copied ? colors.primary : colors.textTertiary;
+
   return (
     <Pressable
       accessibilityLabel={copyValue ? `Copy ${label}` : undefined}
@@ -62,10 +84,10 @@ function DetailRow({
     >
       <Text style={[S.detailLabel, { color: colors.textTertiary }]}>{label}</Text>
       <View style={S.detailValueWrap}>
-        <Text numberOfLines={2} style={[S.detailValue, { color: colors.textPrimary }]}>
+        <Text numberOfLines={2} style={[S.detailValue, { color: copied ? colors.primary : colors.textPrimary }]}>
           {value}
         </Text>
-        {copyValue ? <Icon name="copy" size={13} color={colors.textTertiary} /> : null}
+        {copyValue ? <Icon name={copied ? "check" : "copy"} size={13} color={iconColor} /> : null}
       </View>
     </Pressable>
   );
@@ -76,16 +98,28 @@ export function TxDetailModal({ tx, visible, onClose }: TxDetailModalProps) {
   if (!tx) return null;
   const activeTx = tx;
 
-  async function handleExplorer() {
+  function handleExplorer() {
     haptics.tap();
-    await WebBrowser.openBrowserAsync(buildDevnetExplorerTxUrl(activeTx.signature));
+    Linking.openURL(buildDevnetExplorerTxUrl(activeTx.signature)).catch(() => undefined);
   }
 
   return (
     <Modal animationType="slide" transparent visible={visible} onRequestClose={onClose}>
-      <View style={S.backdrop}>
-        <Pressable style={StyleSheet.absoluteFill} onPress={onClose} />
-        <SafeAreaView edges={["bottom"]} style={[S.sheet, { backgroundColor: colors.surface0, borderColor: colors.borderStrong }]}>
+      {/* Bottom-sheet split pattern: dismissArea is a flex:1 Pressable that
+          fills only the space above the sheet (column flex with
+          justifyContent:flex-end). Sheet has no parent Pressable so nested
+          action buttons receive presses without responder competition. */}
+      <View style={S.root}>
+        <Pressable
+          accessible={false}
+          importantForAccessibility="no"
+          style={S.dismissArea}
+          onPress={onClose}
+        />
+        <SafeAreaView
+          edges={["bottom"]}
+          style={[S.sheet, { backgroundColor: colors.surface0, borderColor: colors.borderStrong }]}
+        >
           <View style={S.handleWrap}>
             <View style={[S.handle, { backgroundColor: colors.textTertiary }]} />
           </View>
@@ -120,8 +154,31 @@ export function TxDetailModal({ tx, visible, onClose }: TxDetailModalProps) {
             </View>
 
             <View style={S.actions}>
-              <DepthButton label="Explorer" onPress={handleExplorer} size="md" tone="cyan" variant="secondary" style={S.actionButton} />
-              <DepthButton label="Close" onPress={onClose} size="md" tone="cyan" variant="primary" style={S.actionButton} />
+              <Pressable
+                accessibilityRole="button"
+                accessibilityLabel="Open in Explorer"
+                onPress={handleExplorer}
+                style={({ pressed }) => [
+                  S.actionBtn,
+                  S.actionBtnSecondary,
+                  { borderColor: colors.border, backgroundColor: colors.surface1 },
+                  pressed && { opacity: 0.7 },
+                ]}
+              >
+                <Text style={[S.actionBtnText, { color: colors.textPrimary }]}>Explorer</Text>
+              </Pressable>
+              <Pressable
+                accessibilityRole="button"
+                accessibilityLabel="Close"
+                onPress={onClose}
+                style={({ pressed }) => [
+                  S.actionBtn,
+                  { backgroundColor: colors.primary },
+                  pressed && { opacity: 0.85 },
+                ]}
+              >
+                <Text style={[S.actionBtnText, { color: "#08080A" }]}>Close</Text>
+              </Pressable>
             </View>
           </ScrollView>
         </SafeAreaView>
@@ -131,11 +188,14 @@ export function TxDetailModal({ tx, visible, onClose }: TxDetailModalProps) {
 }
 
 const S = StyleSheet.create({
-  backdrop: {
+  root: {
     backgroundColor: "rgba(0,0,0,0.68)",
     flex: 1,
     justifyContent: "flex-end",
   },
+  dismissArea: {
+    flex: 1,
+  },
   sheet: {
     borderTopLeftRadius: 22,
     borderTopRightRadius: 22,
@@ -222,7 +282,21 @@ const S = StyleSheet.create({
     flexDirection: "row",
     gap: 10,
   },
-  actionButton: {
+  actionBtn: {
+    alignItems: "center",
+    borderRadius: 12,
     flex: 1,
+    justifyContent: "center",
+    minHeight: 44,
+    paddingHorizontal: 16,
+    paddingVertical: 12,
+  },
+  actionBtnSecondary: {
+    borderWidth: 1,
+  },
+  actionBtnText: {
+    fontFamily: FF.sansSb,
+    fontSize: 14,
+    letterSpacing: 0.3,
   },
 });
diff --git a/mobile_app/screens/WalletScreen.tsx b/mobile_app/screens/WalletScreen.tsx
index 9eee6711..80983aac 100644
--- a/mobile_app/screens/WalletScreen.tsx
+++ b/mobile_app/screens/WalletScreen.tsx
@@ -9,13 +9,14 @@ import {
 import { SafeAreaView } from 'react-native-safe-area-context';
 
 import { ReceivePanel } from '@/components/wallet/ReceivePanel';
+import { TxDetailModal } from '@/components/wallet/TxDetailModal';
 import { PendingCosigns, type PendingCosign } from '@/components/nodes/PendingCosigns';
 import { useLxmfContext }   from '@/context/LxmfContext';
 import { useWallet }        from '@/context/WalletContext';
 import { useHideBalance }   from '@/src/hooks/useHideBalance';
 import { useWalletBalance } from '@/src/hooks/useWalletBalance';
 import { useNetworkMode }   from '@/src/hooks/useNetworkMode';
-import type { TokenBalance } from '@/src/services/walletData';
+import type { ActivityEntry, TokenBalance } from '@/src/services/walletData';
 import { fontFamily, useTheme } from '@/theme';
 
 // ── helpers ───────────────────────────────────────────────────────────────────
@@ -158,6 +159,7 @@ function ActivityTile({ refreshing, onRefresh }: { readonly refreshing: boolean;
   const { colors } = useTheme();
   const { hidden } = useHideBalance();
   const { activity, activityLoading, activityError, lastFetched } = useWalletBalance();
+  const [selectedTx, setSelectedTx] = useState<ActivityEntry | null>(null);
   const initialLoad = activityLoading && lastFetched === null;
 
   return (
@@ -194,15 +196,29 @@ function ActivityTile({ refreshing, onRefresh }: { readonly refreshing: boolean;
           const out    = tx.direction === 'send';
           const color  = out ? '#FF6B6B' : '#14F195';
           const sign   = out ? '−' : '+';
-          const amount = hidden ? '•••' : `${sign}${tx.amountSol.toFixed(4)}`;
+          const amount = hidden ? '•••' : `${sign}${fmtAmount(tx.amountSol, tx.decimals)}`;
           const fallback = out ? 'Sent' : 'Received';
           const label  = tx.counterparty
             ? `${tx.counterparty.slice(0, 4)}…${tx.counterparty.slice(-4)}`
             : fallback;
           return (
-            <View
+            <Pressable
               key={tx.signature}
-              style={[S.activityRow, i < activity.length - 1 && { borderBottomWidth: 0.5, borderBottomColor: colors.borderSubtle }]}
+              onPress={() => {
+                Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light).catch(() => {});
+                setSelectedTx(tx);
+              }}
+              style={({ pressed }) => [
+                S.activityRow,
+                i < activity.length - 1 && { borderBottomWidth: 0.5, borderBottomColor: colors.borderSubtle },
+                pressed && { opacity: 0.6 },
+              ]}
+              accessibilityRole="button"
+              accessibilityLabel={
+                hidden
+                  ? `${out ? 'Sent' : 'Received'} transaction, amount hidden. Tap for transaction details.`
+                  : `${out ? 'Sent' : 'Received'} ${fmtAmount(tx.amountSol, tx.decimals)} ${tx.symbol}. Tap for transaction details.`
+              }
             >
               <View style={[S.activityIconWrap, { backgroundColor: color + '18' }]}>
                 <Feather name={out ? 'arrow-up-right' : 'arrow-down-left'} size={14} color={color} />
@@ -213,12 +229,17 @@ function ActivityTile({ refreshing, onRefresh }: { readonly refreshing: boolean;
               </View>
               <View style={{ alignItems: 'flex-end' }}>
                 <Text style={[S.activityAmount, { color }]}>{amount}</Text>
-                <Text style={[S.activityTime, { color: colors.textTertiary }]}>SOL</Text>
+                <Text style={[S.activityTime, { color: colors.textTertiary }]}>{tx.symbol}</Text>
               </View>
-            </View>
+            </Pressable>
           );
         })}
       </ScrollView>
+      <TxDetailModal
+        tx={selectedTx}
+        visible={selectedTx !== null}
+        onClose={() => setSelectedTx(null)}
+      />
     </View>
   );
 }
diff --git a/mobile_app/src/services/walletData.ts b/mobile_app/src/services/walletData.ts
index 6ffc8971..675815ac 100644
--- a/mobile_app/src/services/walletData.ts
+++ b/mobile_app/src/services/walletData.ts
@@ -134,6 +134,7 @@ export interface ActivityEntry {
   amountBaseUnits: string;
   amountLamports?: number;
   amountSol: number;
+  decimals: number;
   symbol: string;
   mintAddress?: string;
   counterparty: string;
@@ -314,6 +315,7 @@ function toActivity(
       status: failed ? "Failed" : "Settled",
       amountBaseUnits: amountAbs.toString(),
       amountSol: Number(amountAbs) / Math.pow(10, tokenDelta.decimals),
+      decimals: tokenDelta.decimals,
       symbol: tokenDelta.symbol,
       mintAddress: tokenDelta.mint,
       counterparty,
@@ -336,6 +338,7 @@ function toActivity(
     amountBaseUnits: String(transfer.lamports),
     amountLamports: transfer.lamports,
     amountSol: transfer.lamports / LAMPORTS_PER_SOL,
+    decimals: SOL_DECIMALS,
     symbol: "SOL",
     counterparty,
     createdAt,