feat: Support Dark mode for the widget (#4137)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/widget/components/template/Article.vue

@@ -1,12 +1,25 @@
 <template>
-  <div v-if="!!items.length" class="chat-bubble agent">
+  <div
+    v-if="!!items.length"
+    class="chat-bubble agent"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+  >
     <div v-for="item in items" :key="item.link" class="article-item">
       <a :href="item.link" target="_blank" rel="noopener noreferrer nofollow">
         <span class="title flex items-center text-black-900 font-medium">
-          <fluent-icon icon="link" class="mr-1" />
-          <span>{{ item.title }}</span>
+          <fluent-icon
+            icon="link"
+            class="mr-1"
+            :class="$dm('text-black-900', 'dark:text-slate-50')"
+          />
+          <span :class="$dm('text-slate-900', 'dark:text-slate-50')">{{
+            item.title
+          }}</span>
         </span>
-        <span class="description">
+        <span
+          class="description"
+          :class="$dm('text-slate-700', 'dark:text-slate-200')"
+        >
           {{ truncateMessage(item.description) }}
         </span>
       </a>
@@ -17,12 +30,13 @@
 <script>
 import messageFormatterMixin from 'shared/mixins/messageFormatterMixin';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     FluentIcon,
   },
-  mixins: [messageFormatterMixin],
+  mixins: [messageFormatterMixin, darkModeMixin],
   props: {
     items: {
       type: Array,

app/javascript/widget/components/template/EmailInput.vue

@@ -9,7 +9,7 @@
         v-model.trim="email"
         class="form-input"
         :placeholder="$t('EMAIL_PLACEHOLDER')"
-        :class="{ error: $v.email.$error }"
+        :class="inputHasError"
         @input="$v.email.$touch"
         @keydown.enter="onSubmit"
       />
@@ -31,12 +31,14 @@ import { required, email } from 'vuelidate/lib/validators';
 
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
 import Spinner from 'shared/components/Spinner';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     FluentIcon,
     Spinner,
   },
+  mixins: [darkModeMixin],
   props: {
     messageId: {
       type: Number,
@@ -63,6 +65,15 @@ export default {
         this.messageContentAttributes.submitted_email
       );
     },
+    inputColor() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')}
+        ${this.$dm('text-black-900', 'dark:text-slate-50')}`;
+    },
+    inputHasError() {
+      return this.$v.email.$error
+        ? `${this.inputColor} error`
+        : `${this.inputColor}`;
+    },
   },
   validations: {
     email: {
@@ -105,6 +116,10 @@ export default {
     padding: $space-one;
     width: 100%;
 
+    &::placeholder {
+      color: $color-light-gray;
+    }
+
     &.error {
       border-color: $color-error;
     }