diff --git a/app/javascript/dashboard/components-next/NewConversation/ComposeConversation.vue b/app/javascript/dashboard/components-next/NewConversation/ComposeConversation.vue
index 610d11dab..d3686cfd7 100644
--- a/app/javascript/dashboard/components-next/NewConversation/ComposeConversation.vue
+++ b/app/javascript/dashboard/components-next/NewConversation/ComposeConversation.vue
@@ -2,6 +2,7 @@
 import { ref, computed, onMounted, watch } from 'vue';
 import { useStore, useMapGetter } from 'dashboard/composables/store';
 import { useI18n } from 'vue-i18n';
+import { useWindowSize } from '@vueuse/core';
 import { useUISettings } from 'dashboard/composables/useUISettings';
 import { vOnClickOutside } from '@vueuse/components';
 import { useAlert } from 'dashboard/composables';
@@ -15,6 +16,7 @@ import {
   processContactableInboxes,
   mergeInboxDetails,
 } from 'dashboard/components-next/NewConversation/helpers/composeConversationHelper';
+import wootConstants from 'dashboard/constants/globals';
 
 import ComposeNewConversationForm from 'dashboard/components-next/NewConversation/components/ComposeNewConversationForm.vue';
 
@@ -37,9 +39,16 @@ const emit = defineEmits(['close']);
 
 const store = useStore();
 const { t } = useI18n();
+const { width: windowWidth } = useWindowSize();
 
 const { fetchSignatureFlagFromUISettings } = useUISettings();
 
+const isSmallScreen = computed(
+  () => windowWidth.value < wootConstants.SMALL_SCREEN_BREAKPOINT
+);
+
+const viewInModal = computed(() => props.isModal || isSmallScreen.value);
+
 const contacts = ref([]);
 const selectedContact = ref(null);
 const targetInbox = ref(null);
@@ -67,7 +76,7 @@ const directUploadsEnabled = computed(
 const activeContact = computed(() => contactById.value(props.contactId));
 
 const composePopoverClass = computed(() => {
-  if (props.isModal) return '';
+  if (viewInModal.value) return '';
 
   return props.alignPosition === 'right'
     ? 'absolute ltr:left-0 ltr:right-[unset] rtl:right-0 rtl:left-[unset]'
@@ -202,7 +211,7 @@ const handleClickOutside = () => {
 };
 
 const onModalBackdropClick = () => {
-  if (!props.isModal) return;
+  if (!viewInModal.value) return;
   handleClickOutside();
 };
 
@@ -231,7 +240,7 @@ useKeyboardEvents(keyboardEvents);
     ]"
     class="relative"
     :class="{
-      'z-40': showComposeNewConversation,
+      'z-50': showComposeNewConversation && !viewInModal,
     }"
   >
     <slot
@@ -243,12 +252,12 @@ useKeyboardEvents(keyboardEvents);
       v-if="showComposeNewConversation"
       :class="{
         'fixed z-50 bg-n-alpha-black1 backdrop-blur-[4px] flex items-start pt-[clamp(3rem,15vh,12rem)] justify-center inset-0':
-          isModal,
+          viewInModal,
       }"
       @click.self="onModalBackdropClick"
     >
       <ComposeNewConversationForm
-        :class="[{ 'mt-2': !isModal }, composePopoverClass]"
+        :class="[{ 'mt-2': !viewInModal }, composePopoverClass]"
         :contacts="contacts"
         :contact-id="contactId"
         :is-loading="isSearching"
diff --git a/app/javascript/dashboard/components-next/sidebar/Sidebar.vue b/app/javascript/dashboard/components-next/sidebar/Sidebar.vue
index dcd637055..20139ed27 100644
--- a/app/javascript/dashboard/components-next/sidebar/Sidebar.vue
+++ b/app/javascript/dashboard/components-next/sidebar/Sidebar.vue
@@ -509,10 +509,8 @@ const menuItems = computed(() => {
     class="bg-n-solid-2 rtl:border-l ltr:border-r border-n-weak flex flex-col text-sm pb-1 fixed top-0 ltr:left-0 rtl:right-0 h-full z-40 transition-transform duration-200 ease-in-out md:static w-[200px] basis-[200px] md:flex-shrink-0 md:ltr:translate-x-0 md:rtl:-translate-x-0"
     :class="[
       {
-        'ltr:translate-x-0 rtl:-translate-x-0 shadow-lg md:shadow-none':
-          isMobileSidebarOpen,
-        'ltr:-translate-x-full rtl:translate-x-full md:translate-x-0':
-          !isMobileSidebarOpen,
+        'shadow-lg md:shadow-none': isMobileSidebarOpen,
+        'ltr:-translate-x-full rtl:translate-x-full': !isMobileSidebarOpen,
       },
     ]"
   >