diff --git a/app/javascript/dashboard/components-next/Contacts/ContactsDetailsLayout.vue b/app/javascript/dashboard/components-next/Contacts/ContactsDetailsLayout.vue
index bb4327816..51d306311 100644
--- a/app/javascript/dashboard/components-next/Contacts/ContactsDetailsLayout.vue
+++ b/app/javascript/dashboard/components-next/Contacts/ContactsDetailsLayout.vue
@@ -1,7 +1,8 @@
 <script setup>
-import { computed, useSlots } from 'vue';
+import { computed, useSlots, ref } from 'vue';
 import { useI18n } from 'vue-i18n';
 import { useRoute } from 'vue-router';
+import { vOnClickOutside } from '@vueuse/components';
 
 import Button from 'dashboard/components-next/button/Button.vue';
 import Breadcrumb from 'dashboard/components-next/breadcrumb/Breadcrumb.vue';
@@ -24,6 +25,8 @@ const { t } = useI18n();
 const slots = useSlots();
 const route = useRoute();
 
+const isContactSidebarOpen = ref(false);
+
 const contactId = computed(() => route.params.contactId);
 
 const selectedContactName = computed(() => {
@@ -56,6 +59,15 @@ const handleBreadcrumbClick = () => {
 const toggleBlock = () => {
   emit('toggleBlock', isContactBlocked.value);
 };
+
+const handleConversationSidebarToggle = () => {
+  isContactSidebarOpen.value = !isContactSidebarOpen.value;
+};
+
+const closeMobileSidebar = () => {
+  if (!isContactSidebarOpen.value) return;
+  isContactSidebarOpen.value = false;
+};
 </script>
 
 <template>
@@ -67,7 +79,9 @@ const toggleBlock = () => {
     >
       <header class="sticky top-0 z-10 px-6 3xl:px-0">
         <div class="w-full mx-auto max-w-[40.625rem]">
-          <div class="flex items-center justify-between w-full h-20 gap-2">
+          <div
+            class="flex flex-col xs:flex-row items-start xs:items-center justify-between w-full py-7 gap-2"
+          >
             <Breadcrumb
               :items="breadcrumbItems"
               @click="handleBreadcrumbClick"
@@ -105,11 +119,65 @@ const toggleBlock = () => {
       </main>
     </div>
 
+    <!-- Desktop sidebar -->
     <div
       v-if="slots.sidebar"
-      class="overflow-y-auto justify-end min-w-52 w-full py-6 max-w-md border-l border-n-weak bg-n-solid-2"
+      class="hidden lg:block overflow-y-auto justify-end min-w-52 w-full py-6 max-w-md border-l border-n-weak bg-n-solid-2"
     >
       <slot name="sidebar" />
     </div>
+
+    <!-- Mobile sidebar container -->
+    <div
+      v-if="slots.sidebar"
+      class="lg:hidden fixed top-0 ltr:right-0 rtl:left-0 h-full z-50 flex justify-end transition-all duration-200 ease-in-out"
+      :class="isContactSidebarOpen ? 'w-full' : 'w-16'"
+    >
+      <!-- Toggle button -->
+      <div
+        v-on-click-outside="[
+          closeMobileSidebar,
+          { ignore: ['#contact-sidebar-content'] },
+        ]"
+        class="flex items-start p-1 w-fit h-fit relative order-1 xs:top-24 top-28 transition-all bg-n-solid-2 border border-n-weak duration-500 ease-in-out"
+        :class="[
+          isContactSidebarOpen
+            ? 'justify-end ltr:rounded-l-full rtl:rounded-r-full ltr:rounded-r-none rtl:rounded-l-none'
+            : 'justify-center rounded-full ltr:mr-6 rtl:ml-6',
+        ]"
+      >
+        <Button
+          ghost
+          slate
+          sm
+          class="!rounded-full rtl:rotate-180"
+          :class="{ 'bg-n-alpha-2': isContactSidebarOpen }"
+          :icon="
+            isContactSidebarOpen
+              ? 'i-lucide-panel-right-close'
+              : 'i-lucide-panel-right-open'
+          "
+          data-contact-sidebar-toggle
+          @click="handleConversationSidebarToggle"
+        />
+      </div>
+
+      <Transition
+        enter-active-class="transition-transform duration-200 ease-in-out"
+        leave-active-class="transition-transform duration-200 ease-in-out"
+        enter-from-class="ltr:translate-x-full rtl:-translate-x-full"
+        enter-to-class="ltr:translate-x-0 rtl:-translate-x-0"
+        leave-from-class="ltr:translate-x-0 rtl:-translate-x-0"
+        leave-to-class="ltr:translate-x-full rtl:-translate-x-full"
+      >
+        <div
+          v-if="isContactSidebarOpen"
+          id="contact-sidebar-content"
+          class="order-2 w-[85%] sm:w-[50%] bg-n-solid-2 ltr:border-l rtl:border-r border-n-weak overflow-y-auto py-6 shadow-lg"
+        >
+          <slot name="sidebar" />
+        </div>
+      </Transition>
+    </div>
   </section>
 </template>
diff --git a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactHeader.vue b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactHeader.vue
index 30717c036..b3590b51e 100644
--- a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactHeader.vue
+++ b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactHeader.vue
@@ -34,13 +34,13 @@ const emit = defineEmits([
 <template>
   <header class="sticky top-0 z-10">
     <div
-      class="flex items-center justify-between w-full h-20 px-6 gap-2 mx-auto max-w-[60rem]"
+      class="flex items-start sm:items-center justify-between w-full py-6 px-6 gap-2 mx-auto max-w-[60rem]"
     >
       <span class="text-xl font-medium truncate text-n-slate-12">
         {{ headerTitle }}
       </span>
-      <div class="flex items-center flex-shrink-0 gap-4">
-        <div v-if="showSearch" class="flex items-center gap-2">
+      <div class="flex items-center flex-col sm:flex-row flex-shrink-0 gap-4">
+        <div v-if="showSearch" class="flex items-center gap-2 w-full">
           <Input
             :model-value="searchValue"
             type="search"
@@ -48,6 +48,7 @@ const emit = defineEmits([
             :custom-input-class="[
               'h-8 [&:not(.focus)]:!border-transparent bg-n-alpha-2 dark:bg-n-solid-1 ltr:!pl-8 !py-1 rtl:!pr-8',
             ]"
+            class="w-full"
             @input="emit('search', $event.target.value)"
           >
             <template #prefix>
@@ -58,64 +59,66 @@ const emit = defineEmits([
             </template>
           </Input>
         </div>
-        <div class="flex items-center gap-2">
-          <div v-if="!isLabelView && !isActiveView" class="relative">
+        <div class="flex items-center flex-shrink-0 gap-4">
+          <div class="flex items-center gap-2">
+            <div v-if="!isLabelView && !isActiveView" class="relative">
+              <Button
+                id="toggleContactsFilterButton"
+                :icon="
+                  isSegmentsView ? 'i-lucide-pen-line' : 'i-lucide-list-filter'
+                "
+                color="slate"
+                size="sm"
+                class="relative w-8"
+                variant="ghost"
+                @click="emit('filter')"
+              >
+                <div
+                  v-if="hasActiveFilters && !isSegmentsView"
+                  class="absolute top-0 right-0 w-2 h-2 rounded-full bg-n-brand"
+                />
+              </Button>
+              <slot name="filter" />
+            </div>
             <Button
-              id="toggleContactsFilterButton"
-              :icon="
-                isSegmentsView ? 'i-lucide-pen-line' : 'i-lucide-list-filter'
+              v-if="
+                hasActiveFilters &&
+                !isSegmentsView &&
+                !isLabelView &&
+                !isActiveView
               "
+              icon="i-lucide-save"
               color="slate"
               size="sm"
-              class="relative w-8"
               variant="ghost"
-              @click="emit('filter')"
-            >
-              <div
-                v-if="hasActiveFilters && !isSegmentsView"
-                class="absolute top-0 right-0 w-2 h-2 rounded-full bg-n-brand"
-              />
-            </Button>
-            <slot name="filter" />
+              @click="emit('createSegment')"
+            />
+            <Button
+              v-if="isSegmentsView && !isLabelView && !isActiveView"
+              icon="i-lucide-trash"
+              color="slate"
+              size="sm"
+              variant="ghost"
+              @click="emit('deleteSegment')"
+            />
+            <ContactSortMenu
+              :active-sort="activeSort"
+              :active-ordering="activeOrdering"
+              @update:sort="emit('update:sort', $event)"
+            />
+            <ContactMoreActions
+              @add="emit('add')"
+              @import="emit('import')"
+              @export="emit('export')"
+            />
           </div>
-          <Button
-            v-if="
-              hasActiveFilters &&
-              !isSegmentsView &&
-              !isLabelView &&
-              !isActiveView
-            "
-            icon="i-lucide-save"
-            color="slate"
-            size="sm"
-            variant="ghost"
-            @click="emit('createSegment')"
-          />
-          <Button
-            v-if="isSegmentsView && !isLabelView && !isActiveView"
-            icon="i-lucide-trash"
-            color="slate"
-            size="sm"
-            variant="ghost"
-            @click="emit('deleteSegment')"
-          />
-          <ContactSortMenu
-            :active-sort="activeSort"
-            :active-ordering="activeOrdering"
-            @update:sort="emit('update:sort', $event)"
-          />
-          <ContactMoreActions
-            @add="emit('add')"
-            @import="emit('import')"
-            @export="emit('export')"
-          />
+          <div class="w-px h-4 bg-n-strong" />
+          <ComposeConversation>
+            <template #trigger="{ toggle }">
+              <Button :label="buttonLabel" size="sm" @click="toggle" />
+            </template>
+          </ComposeConversation>
         </div>
-        <div class="w-px h-4 bg-n-strong" />
-        <ComposeConversation>
-          <template #trigger="{ toggle }">
-            <Button :label="buttonLabel" size="sm" @click="toggle" />
-          </template>
-        </ComposeConversation>
       </div>
     </div>
   </header>
diff --git a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactListHeaderWrapper.vue b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactListHeaderWrapper.vue
index f2927657d..ea5c63ebc 100644
--- a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactListHeaderWrapper.vue
+++ b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/ContactListHeaderWrapper.vue
@@ -291,17 +291,20 @@ defineExpose({
     @delete-segment="openDeleteSegmentDialog"
   >
     <template #filter>
-      <ContactsFilter
-        v-if="showFiltersModal"
-        v-model="appliedFilter"
-        :segment-name="activeSegmentName"
-        :is-segment-view="hasActiveSegments"
-        class="absolute mt-1 ltr:right-0 rtl:left-0 top-full"
-        @apply-filter="onApplyFilter"
-        @update-segment="onUpdateSegment"
-        @close="closeAdvanceFiltersModal"
-        @clear-filters="clearFilters"
-      />
+      <div
+        class="absolute mt-1 ltr:-right-52 rtl:-left-52 sm:ltr:right-0 sm:rtl:left-0 top-full"
+      >
+        <ContactsFilter
+          v-if="showFiltersModal"
+          v-model="appliedFilter"
+          :segment-name="activeSegmentName"
+          :is-segment-view="hasActiveSegments"
+          @apply-filter="onApplyFilter"
+          @update-segment="onUpdateSegment"
+          @close="closeAdvanceFiltersModal"
+          @clear-filters="clearFilters"
+        />
+      </div>
     </template>
   </ContactsHeader>
 
diff --git a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/components/ContactSortMenu.vue b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/components/ContactSortMenu.vue
index 7125d8385..a13a7a81d 100644
--- a/app/javascript/dashboard/components-next/Contacts/ContactsHeader/components/ContactSortMenu.vue
+++ b/app/javascript/dashboard/components-next/Contacts/ContactsHeader/components/ContactSortMenu.vue
@@ -105,7 +105,7 @@ const handleOrderChange = value => {
     <div
       v-if="isMenuOpen"
       v-on-clickaway="() => (isMenuOpen = false)"
-      class="absolute top-full mt-1 ltr:right-0 rtl:left-0 flex flex-col gap-4 bg-n-alpha-3 backdrop-blur-[100px] border border-n-weak w-72 rounded-xl p-4"
+      class="absolute top-full mt-1 ltr:-right-32 rtl:-left-32 sm:ltr:right-0 sm:rtl:left-0 flex flex-col gap-4 bg-n-alpha-3 backdrop-blur-[100px] border border-n-weak w-72 rounded-xl p-4"
     >
       <div class="flex items-center justify-between gap-2">
         <span class="text-sm text-n-slate-12">
diff --git a/app/javascript/dashboard/components-next/Contacts/ContactsListLayout.vue b/app/javascript/dashboard/components-next/Contacts/ContactsListLayout.vue
index 78a69654c..648cd84d6 100644
--- a/app/javascript/dashboard/components-next/Contacts/ContactsListLayout.vue
+++ b/app/javascript/dashboard/components-next/Contacts/ContactsListLayout.vue
@@ -96,10 +96,7 @@ const openFilter = () => {
           <slot name="default" />
         </div>
       </main>
-      <footer
-        v-if="showPaginationFooter"
-        class="sticky bottom-0 z-10 px-4 pb-4"
-      >
+      <footer v-if="showPaginationFooter" class="sticky bottom-0 z-0 px-4 pb-4">
         <PaginationFooter
           current-page-info="CONTACTS_LAYOUT.PAGINATION_FOOTER.SHOWING"
           :current-page="currentPage"
diff --git a/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreview.vue b/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreview.vue
index a2b3ad7fb..c8c397785 100644
--- a/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreview.vue
+++ b/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreview.vue
@@ -47,6 +47,7 @@ const unreadMessagesCount = computed(() => {
     </p>
     <div class="flex items-center flex-shrink-0 gap-2 pb-2">
       <Avatar
+        v-if="assignee.name"
         :name="assignee.name"
         :src="assignee.thumbnail"
         :size="20"
diff --git a/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreviewWithMeta.vue b/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreviewWithMeta.vue
index f1ad9d09b..df2b22b7e 100644
--- a/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreviewWithMeta.vue
+++ b/app/javascript/dashboard/components-next/Conversation/ConversationCard/CardMessagePreviewWithMeta.vue
@@ -96,6 +96,7 @@ defineExpose({
         />
       </div>
       <Avatar
+        v-if="assignee.name"
         :name="assignee.name"
         :src="assignee.thumbnail"
         :size="20"
diff --git a/app/javascript/dashboard/components-next/breadcrumb/Breadcrumb.vue b/app/javascript/dashboard/components-next/breadcrumb/Breadcrumb.vue
index 8a1b26e90..28c1af094 100644
--- a/app/javascript/dashboard/components-next/breadcrumb/Breadcrumb.vue
+++ b/app/javascript/dashboard/components-next/breadcrumb/Breadcrumb.vue
@@ -21,9 +21,17 @@ const onClick = (item, index) => {
 </script>
 
 <template>
-  <nav :aria-label="t('BREADCRUMB.ARIA_LABEL')" class="flex items-center h-8">
-    <ol class="flex items-center mb-0">
-      <li v-for="(item, index) in items" :key="index" class="flex items-center">
+  <nav
+    :aria-label="t('BREADCRUMB.ARIA_LABEL')"
+    class="flex items-center h-8 min-w-0"
+  >
+    <ol class="flex items-center mb-0 min-w-0">
+      <li
+        v-for="(item, index) in items"
+        :key="index"
+        class="flex items-center"
+        :class="{ 'min-w-0 flex-1': index === items.length - 1 }"
+      >
         <Icon
           v-if="index > 0"
           icon="i-lucide-chevron-right"
@@ -40,7 +48,7 @@ const onClick = (item, index) => {
         </button>
 
         <!-- The last breadcrumb item is plain text -->
-        <span v-else class="text-sm truncate text-n-slate-12 max-w-56">
+        <span v-else class="text-sm truncate text-n-slate-12 min-w-0 block">
           {{ item.emoji ? item.emoji : '' }} {{ item.label }}
         </span>
       </li>
diff --git a/app/javascript/dashboard/components-next/filter/ConditionRow.vue b/app/javascript/dashboard/components-next/filter/ConditionRow.vue
index 477885490..1d53a3af2 100644
--- a/app/javascript/dashboard/components-next/filter/ConditionRow.vue
+++ b/app/javascript/dashboard/components-next/filter/ConditionRow.vue
@@ -192,6 +192,7 @@ defineExpose({ validate });
         solid
         slate
         icon="i-lucide-trash"
+        class="flex-shrink-0"
         @click.stop="emit('remove')"
       />
     </div>
diff --git a/app/javascript/dashboard/components-next/filter/ContactsFilter.vue b/app/javascript/dashboard/components-next/filter/ContactsFilter.vue
index bd588ccbf..a8af5292e 100644
--- a/app/javascript/dashboard/components-next/filter/ContactsFilter.vue
+++ b/app/javascript/dashboard/components-next/filter/ContactsFilter.vue
@@ -104,7 +104,7 @@ const outsideClickHandler = [
 <template>
   <div
     v-on-click-outside="outsideClickHandler"
-    class="z-40 max-w-3xl lg:w-[750px] overflow-visible w-full border border-n-weak bg-n-alpha-3 backdrop-blur-[100px] shadow-lg rounded-xl p-6 grid gap-6"
+    class="z-40 max-w-3xl min-w-96 lg:w-[750px] overflow-visible w-full border border-n-weak bg-n-alpha-3 backdrop-blur-[100px] shadow-lg rounded-xl p-6 grid gap-6"
   >
     <h3 class="text-base font-medium leading-6 text-n-slate-12">
       {{ filterModalHeaderTitle }}
@@ -146,10 +146,10 @@ const outsideClickHandler = [
       </template>
     </ul>
     <div class="flex justify-between gap-2">
-      <Button sm ghost blue @click="addFilter">
+      <Button sm ghost blue class="flex-shrink-0" @click="addFilter">
         {{ $t('CONTACTS_LAYOUT.FILTER.BUTTONS.ADD_FILTER') }}
       </Button>
-      <div class="flex gap-2">
+      <div class="flex gap-2 flex-shrink-0">
         <Button sm faded slate @click="resetFilter">
           {{ $t('CONTACTS_LAYOUT.FILTER.BUTTONS.CLEAR_FILTERS') }}
         </Button>