Resolve "Forum3: Man kann nicht mehr sehen, wer genau einen Beitrag auf einen Beitrag reagiert hat"

Closes #5687 and #5731

Merge request studip/studip!4359

22 files changed, 397 insertions, 137 deletions

diff --git a/resources/assets/stylesheets/scss/forum.scss b/resources/assets/stylesheets/scss/forum.scss
index 9c5efc6..4b309a4 100644
--- a/resources/assets/stylesheets/scss/forum.scss
+++ b/resources/assets/stylesheets/scss/forum.scss
@@ -60,6 +60,11 @@ $card-max-width: 300px;
             .subscription-button {
                 background-color: transparent;
                 border-color: transparent;
+                justify-content: end;
+                padding: 0;
+                &:hover {
+                    color: var(--color--highlight);
+                }
             }
         }
 
@@ -216,37 +221,6 @@ $card-max-width: 300px;
         }
     }
 
-    .icon-button {
-        display: flex;
-        align-items: center;
-        justify-content: center;
-        background: white;
-        border: 1px solid var(--color--highlight);
-        color: var(--color--highlight);
-        border-radius: 5px;
-        padding: 7px;
-        cursor: pointer;
-
-        &.--with-label {
-            padding-left: 10px;
-            padding-right: 10px;
-        }
-
-        &:hover {
-            background-color: $content-color-10;
-        }
-
-        &:disabled {
-            border-color: var(--color--button-inactive-border);
-            opacity: 0.5;
-            cursor: not-allowed;
-        }
-
-        .label {
-            margin-left: 5px;
-        }
-    }
-
     button.style-less {
         background: no-repeat;
         border: none;
@@ -254,23 +228,21 @@ $card-max-width: 300px;
     }
 
     .button {
-        &.--with-icon {
-            display: inline-flex;
-            gap: 10px;
+        &--icon-only {
+            min-width: unset;
+            margin: 0;
+            padding: 6px;
+            display: flex;
             align-items: center;
+            justify-content: center;
         }
 
-        .icon-hover {
-            display: none;
-        }
-
-        &:hover {
-            .icon-default {
-                display: none;
-            }
-            .icon-hover {
-                display: inline-block;
-            }
+        &--icon-label {
+            margin: 0;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            gap: 10px;
         }
     }
 
@@ -329,26 +301,21 @@ $card-max-width: 300px;
             align-items: center;
         }
 
-        h3 {
-            margin: 0;
-            font-size: 16px;
-            font-weight: normal;
-        }
-
         p {
             margin-top: 5px;
             color: var(--color--font-secondary);
         }
     }
 
-    .discussion-overview {
-        h3 {
-            margin-top: 0;
-            font-size: 16px;
-            font-weight: normal;
-        }
+    .topic-title,
+    .category-title,
+    .discussion-title {
+        font-size: 16px;
+    }
 
+    .discussion-overview {
         p {
+            margin-top: 5px;
             color: var(--color--font-secondary);
         }
 
@@ -455,15 +422,20 @@ $card-max-width: 300px;
             z-index: 1;
         }
 
+        &:hover {
+            .topic-card__title {
+                color: var(--color--highlight-hover);
+                text-decoration: underline;
+            }
+        }
+
         &__title {
-            margin-top: 0;
-            margin-bottom: 10px;
-            font-size: 16px;
-            font-weight: normal;
+            color: var(--color--highlight);
         }
 
         p {
-            opacity: 60%;
+            margin-top: 5px;
+            color: var(--color--font-secondary);
         }
 
         &__content {
@@ -621,7 +593,12 @@ $card-max-width: 300px;
         align-items: center;
         justify-content: center;
 
-        &__create-button {
+        &__button-group {
+            display: inline-flex;
+            align-items: center;
+        }
+
+        &__add-reaction {
             display: inline-flex;
             cursor: pointer;
             background: none;
@@ -648,6 +625,11 @@ $card-max-width: 300px;
             }
         }
 
+        &__show-reactions {
+            border: none;
+            background: none;
+        }
+
         &__container {
             position: absolute;
             top: -50px;
@@ -776,6 +758,14 @@ $card-max-width: 300px;
                 }
             }
         }
+
+        .post-form__footer {
+            margin-top: 20px;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            gap: 15px;
+        }
     }
 
     .user-avatar-dropdown {
@@ -1104,10 +1094,10 @@ $card-max-width: 300px;
                 border-color: $base-color-60;
             }
         }
+    }
 
-        .html-emoji {
-            font-family: apple color emoji, segoe ui emoji, notocoloremoji, segoe ui symbol, android emoji, emojisymbols, emojione mozilla;
-        }
+    .emoji-icon {
+        font-family: apple color emoji, segoe ui emoji, notocoloremoji, segoe ui symbol, android emoji, emojisymbols, emojione mozilla;
     }
 
     .forum-subscriptions-dropdown {
@@ -1176,9 +1166,8 @@ $card-max-width: 300px;
 
         .subscription-button {
             white-space: nowrap;
+            min-width: unset;
             display: inline-flex;
-            gap: 6px;
-            align-items: center;
         }
     }
 
@@ -1488,6 +1477,95 @@ $card-max-width: 300px;
         }
     }
 
+    .tab {
+        &__buttons {
+            display: flex;
+            gap: 10px;
+            border-bottom: 2px solid var(--color--divider);
+        }
+
+        &__button {
+            label {
+                position: relative;
+                transition: color 0.3s ease;
+                color: var(--color--highlight);
+                font-weight: bold;
+                padding: 6px 12px;
+                cursor: pointer;
+                display: inline-flex;
+                align-items: center;
+                gap: 5px;
+
+                &:hover {
+                    color: var(--color--highlight-hover);
+
+                    &::after {
+                        background-color: var(--color--focus);
+                    }
+                }
+
+                &:hover,
+                &.is-checked {
+                    &::after {
+                        content: '';
+                        position: absolute;
+                        left: 0;
+                        bottom: -2px;
+                        width: 100%;
+                        height: 2px;
+                    }
+                }
+
+                &.is-checked {
+                    &::after {
+                        background-color: var(--color--highlight);
+                    }
+                }
+            }
+
+            input[type="radio"] {
+                position: absolute;
+                opacity: 0;
+                width: 0;
+                height: 0;
+                pointer-events: none;
+
+                &:focus + label {
+                    outline: 2px solid var(--color--focus);
+                    outline-offset: 2px;
+                    border-radius: 2px;
+                }
+            }
+
+        }
+
+        &__content {
+            margin-top: 15px;
+        }
+    }
+
+    .post-reactions-dialog {
+        .user-avatar-dropdown {
+            .dropdown__content {
+                right: auto;
+                left: 0;
+            }
+        }
+    }
+
+    .user-reaction {
+        position: relative;
+        width: 35px;
+        height: 35px;
+
+        .emoji-icon {
+            position: absolute;
+            bottom: 0;
+            right: 0;
+            z-index: 1;
+        }
+    }
+
     /*
       vue Transition --start--
     */
diff --git a/resources/assets/stylesheets/scss/personal-notifications.scss b/resources/assets/stylesheets/scss/personal-notifications.scss
index 8d80fbb..1e63488 100644
--- a/resources/assets/stylesheets/scss/personal-notifications.scss
+++ b/resources/assets/stylesheets/scss/personal-notifications.scss
@@ -187,7 +187,7 @@
             display: block;
             padding: 0;
             &:hover {
-                color: var(--color--highlight-hover); 
+                color: var(--color--highlight-hover);
                 text-decoration: none;
             }
         }
@@ -224,7 +224,7 @@
         .item:hover .options.hidden { visibility: visible; }
     }
 
-    .html-emoji {
+    .emoji-icon {
         font-family: apple color emoji, segoe ui emoji, notocoloremoji, segoe ui symbol, android emoji, emojisymbols, emojione mozilla;
         font-size: 20px;
         margin-right: 10px;
diff --git a/resources/assets/stylesheets/studip.scss b/resources/assets/stylesheets/studip.scss
index d923f64..080ca40 100644
--- a/resources/assets/stylesheets/studip.scss
+++ b/resources/assets/stylesheets/studip.scss
@@ -779,6 +779,7 @@ input.allow-plaintext-toggle {
         z-index: 1;
         right: 10px;
         top: 10px;
+        padding: 0;
         display: flex;
         align-items: center;
         justify-content: center;
diff --git a/resources/vue/apps/forum/categories/Index.vue b/resources/vue/apps/forum/categories/Index.vue
index 51646ba..abb98c0 100644
--- a/resources/vue/apps/forum/categories/Index.vue
+++ b/resources/vue/apps/forum/categories/Index.vue
@@ -127,14 +127,14 @@ const swapCategory = (categoryId, step) => {
                         v-if="forumConfig.tileLayout"
                         @click="forumConfig.toggleForumLayout()"
                         type="button"
-                        :title="$gettext('Tabellarische Ansicht')" class="icon-button">
+                        :title="$gettext('Tabellarische Ansicht')" class="button button--icon-only">
                         <StudipIcon shape="view-list" :size="20" />
                     </button>
                     <button
                         v-else
                         @click="forumConfig.toggleForumLayout()"
                         type="button"
-                        :title="$gettext('Kachelansicht')" class="icon-button">
+                        :title="$gettext('Kachelansicht')" class="button button--icon-only">
                         <StudipIcon shape="view-wall" :size="20" />
                     </button>
                     <div aria-live="polite" class="sr-only" role="status">{{ toggleLayoutMessage }}</div>
diff --git a/resources/vue/apps/forum/categories/Show.vue b/resources/vue/apps/forum/categories/Show.vue
index 2445646..4c340cd 100644
--- a/resources/vue/apps/forum/categories/Show.vue
+++ b/resources/vue/apps/forum/categories/Show.vue
@@ -95,7 +95,7 @@ onMounted(async () => {
                         @click="forumConfig.toggleForumLayout()"
                         type="button"
                         :title="$gettext('Tabellarische Ansicht')"
-                        class="icon-button">
+                        class="button button--icon-only">
                         <StudipIcon shape="view-list" :size="20" />
                     </button>
                     <button
@@ -103,7 +103,7 @@ onMounted(async () => {
                         @click="forumConfig.toggleForumLayout()"
                         type="button"
                         :title="$gettext('Kachelansicht')"
-                        class="icon-button">
+                        class="button button--icon-only">
                         <StudipIcon shape="view-wall" :size="20" />
                     </button>
                     <div aria-live="polite" class="sr-only" role="status">{{ toggleLayoutMessage }}</div>
diff --git a/resources/vue/apps/forum/discussions/Show.vue b/resources/vue/apps/forum/discussions/Show.vue
index ed5043c..9343047 100644
--- a/resources/vue/apps/forum/discussions/Show.vue
+++ b/resources/vue/apps/forum/discussions/Show.vue
@@ -91,7 +91,7 @@ const fetchPostings = async () => {
                 `forum-discussions/${props.discussion.discussion_id}/postings`,
                 {
                     data: {
-                        include: 'author,opengraph-urls,posting,reactions,reactions.user&fields[users]=id',
+                        include: 'author,opengraph-urls,posting,reactions,reactions.user&fields[users]=id,username,formatted-name',
                         page: { offset }
                     }
                 }
@@ -194,7 +194,7 @@ onMounted(async () => {
                         </em>
                         <StudipIcon shape="lock-locked2" :size="20" role="inactive" />
                     </div>
-                    <button v-if="canEditDiscussion" @click="editDiscussion(discussion.discussion_id)" type="button" :title="$gettext('Diskussion bearbeiten')" class="icon-button">
+                    <button v-if="canEditDiscussion" @click="editDiscussion(discussion.discussion_id)" type="button" :title="$gettext('Diskussion bearbeiten')" class="button button--icon-only">
                         <StudipIcon shape="edit" :size="20" />
                     </button>
                     <SubscriptionDropdown
@@ -243,7 +243,7 @@ onMounted(async () => {
                 <a
                     v-if="!discussion.closed_at"
                     href="#new-post"
-                    class="button --with-icon m-0"
+                    class="button button--icon-label"
                     role="button"
                     :title="$gettext('Antworten')"
                     :aria-label="$gettext('Antworten')"
@@ -252,8 +252,7 @@ onMounted(async () => {
                         }"
                     @click="postCreateForm = true"
                 >
-                    <StudipIcon shape="reply" :size="20"  class="icon-default" aria-hidden="true" />
-                    <StudipIcon shape="reply" :size="20"  class="icon-hover" role="info_alt" aria-hidden="true" />
+                    <StudipIcon shape="reply" :size="20" aria-hidden="true" />
                     {{ $gettext('Antworten') }}
                 </a>
             </div>
@@ -296,7 +295,7 @@ onMounted(async () => {
                 <a
                     v-if="!discussion.closed_at"
                     href="#new-post"
-                    class="button --with-icon m-0"
+                    class="button button--icon-label"
                     role="button"
                     :title="$gettext('Antworten')"
                     :aria-label="$gettext('Antworten')"
@@ -305,8 +304,7 @@ onMounted(async () => {
                     }"
                     @click="postCreateForm = true"
                 >
-                    <StudipIcon shape="reply" :size="20"  class="icon-default" aria-hidden="true" />
-                    <StudipIcon shape="reply" :size="20"  class="icon-hover" role="info_alt" aria-hidden="true" />
+                    <StudipIcon shape="reply" :size="20" aria-hidden="true" />
                     {{ $gettext('Antworten') }}
                 </a>
             </div>
diff --git a/resources/vue/apps/forum/search/Index.vue b/resources/vue/apps/forum/search/Index.vue
index 9e7c36a..2b5c4bb 100644
--- a/resources/vue/apps/forum/search/Index.vue
+++ b/resources/vue/apps/forum/search/Index.vue
@@ -146,14 +146,13 @@ onMounted(() => {
                 </div>
                 <button
                     type="submit"
-                    class="button m-0 --with-icon"
+                    class="button button--icon-label"
                     :title="$gettext('Suchen')"
                 >
-                    <StudipIcon shape="search" :size="20" class="icon-default" aria-hidden="true" />
-                    <StudipIcon shape="search" :size="20" class="icon-hover" role="info_alt" aria-hidden="true" />
+                    <StudipIcon shape="search" :size="20" aria-hidden="true" />
                     {{ $gettext('Suchen') }}
                 </button>
-                <button @click="resetSearchForm" type="button" class="icon-button" :title="$gettext('Zurücksetzen')">
+                <button @click="resetSearchForm" type="button" class="button button--icon-only" :title="$gettext('Zurücksetzen')">
                     <StudipIcon shape="decline" :size="20" />
                 </button>
             </div>
diff --git a/resources/vue/apps/forum/topics/Index.vue b/resources/vue/apps/forum/topics/Index.vue
index 9d70dc7..9df0a78 100644
--- a/resources/vue/apps/forum/topics/Index.vue
+++ b/resources/vue/apps/forum/topics/Index.vue
@@ -69,7 +69,7 @@ onMounted(async () => {
                             @click="forumConfig.toggleForumLayout();"
                             :title="$gettext('Tabellarische Ansicht')"
                             type="button"
-                            class="icon-button">
+                            class="button button--icon-only">
                             <StudipIcon shape="view-list" :size="20" />
                         </button>
                         <button
@@ -77,7 +77,7 @@ onMounted(async () => {
                             @click="forumConfig.toggleForumLayout();"
                             :title="$gettext('Kachelansicht')"
                             type="button"
-                            class="icon-button">
+                            class="button button--icon-only">
                             <StudipIcon shape="view-wall" :size="20" />
                         </button>
                         <div aria-live="polite" class="sr-only" role="status">{{ toggleLayoutMessage }}</div>
diff --git a/resources/vue/components/forum/EmptyForum.vue b/resources/vue/components/forum/EmptyForum.vue
index bc7d25d..8a2c40c 100644
--- a/resources/vue/components/forum/EmptyForum.vue
+++ b/resources/vue/components/forum/EmptyForum.vue
@@ -24,14 +24,12 @@ const emptyForumIllustration = `${STUDIP.ASSETS_URL}images/forum/forum-keyvisual
             </p>
 
             <div class="buttons-container">
-                <button type="button" class="button --with-icon">
-                    <StudipIcon shape="lightbulb" :size="20" class="icon-default" aria-hidden="true" />
-                    <StudipIcon shape="lightbulb" :size="20" class="icon-hover" role="info_alt" aria-hidden="true" />
+                <button type="button" class="button button--icon-label">
+                    <StudipIcon shape="lightbulb" :size="20" aria-hidden="true" />
                     {{ $gettext('Tour ansehen') }}
                 </button>
-                <a :href="getDiscussionCreateURL()" data-dialog="width=900;height=700" class="button --with-icon">
-                    <StudipIcon shape="add" :size="20" class="icon-default" aria-hidden="true" />
-                    <StudipIcon shape="add" :size="20" class="icon-hover" role="info_alt" aria-hidden="true" />
+                <a :href="getDiscussionCreateURL()" data-dialog="width=900;height=700" class="button button--icon-label">
+                    <StudipIcon shape="add" :size="20" aria-hidden="true" />
                     {{ $gettext('Eine Diskussion starten') }}
                 </a>
             </div>
diff --git a/resources/vue/components/forum/SubscriptionDropdown.vue b/resources/vue/components/forum/SubscriptionDropdown.vue
index c641011..422c0ae 100644
--- a/resources/vue/components/forum/SubscriptionDropdown.vue
+++ b/resources/vue/components/forum/SubscriptionDropdown.vue
@@ -128,7 +128,13 @@ const subscribe = async (notification_type = 'all') => {
 <template>
     <Dropdown class="forum-subscriptions-dropdown" v-model="isOpen" :title="title">
         <template #trigger>
-            <button class="icon-button subscription-button" type="button" @click="isOpen = !isOpen" :title="title">
+            <button
+                type="button"
+                :title="title"
+                class="button subscription-button"
+                :class="subscriptionButtonLabel ? 'button--icon-label' : 'button--icon-only'"
+                @click="isOpen = !isOpen"
+            >
                 <span v-if="subscriptionButtonLabel">
                     {{ subscriptionButtonLabel }}
                 </span>
diff --git a/resources/vue/components/forum/categories/CategoryItem.vue b/resources/vue/components/forum/categories/CategoryItem.vue
index 55685a7..0035ad1 100644
--- a/resources/vue/components/forum/categories/CategoryItem.vue
+++ b/resources/vue/components/forum/categories/CategoryItem.vue
@@ -74,7 +74,7 @@ const swapCategory = event => {
                                     class="title-with-actions__link"
                                     :href="getCategoryURL(category.id)"
                                     :title="$gettext('Zur Kategorie')">
-                                    <h3 class="line-clamp-2">{{ category.name }}</h3>
+                                    <span class="category-title line-clamp-2">{{ category.name }}</span>
                                     <span
                                         v-if="category.meta.postings_count > category.meta.user_read_index"
                                         class="unread-items-badge"
@@ -185,9 +185,9 @@ const swapCategory = event => {
                 <div class="topic-card__body">
                     <div class="flex space-between">
                         <div class="flex items-start gap-10">
-                            <h3 class="topic-card__title line-clamp-2">
+                            <span class="topic-card__title category-title line-clamp-2">
                                 {{ category.name }}
-                            </h3>
+                            </span>
 
                             <span
                                 v-if="category.meta.postings_count > category.meta.user_read_index"
diff --git a/resources/vue/components/forum/categories/Create.vue b/resources/vue/components/forum/categories/Create.vue
index fa79752..a7b47df 100644
--- a/resources/vue/components/forum/categories/Create.vue
+++ b/resources/vue/components/forum/categories/Create.vue
@@ -18,7 +18,8 @@ defineProps({
         data-dialog="size=700"
         :title="$gettext('Neue Kategorie anlegen')"
         :aria-label="$gettext('Neue Kategorie anlegen')"
-        class="icon-button"
+        class="button"
+        :class="label ? 'button--icon-label' : 'button--icon-only'"
         role="button"
     >
         <StudipIcon shape="add" :size="20" aria-hidden="true" />
diff --git a/resources/vue/components/forum/discussions/Create.vue b/resources/vue/components/forum/discussions/Create.vue
index 1d88d78..ee76c72 100644
--- a/resources/vue/components/forum/discussions/Create.vue
+++ b/resources/vue/components/forum/discussions/Create.vue
@@ -20,8 +20,8 @@ const discussionCreateURL = computed(() => {
         :href="discussionCreateURL"
         :title="$gettext('Neue Diskussion starten')"
         data-dialog="width=900;height=750"
-        type="button"
-        class="icon-button">
+        role="button"
+        class="button button--icon-only">
         <StudipIcon shape="add" :size="20" aria-hidden="true" />
     </a>
 </template>
diff --git a/resources/vue/components/forum/discussions/DiscussionIndex.vue b/resources/vue/components/forum/discussions/DiscussionIndex.vue
index 86fdf8a..2369888 100644
--- a/resources/vue/components/forum/discussions/DiscussionIndex.vue
+++ b/resources/vue/components/forum/discussions/DiscussionIndex.vue
@@ -167,7 +167,7 @@ onMounted(() => {
                                         class="title-with-actions__link"
                                         :href="getDiscussionURL(discussion.id, {redirect})"
                                         :title="$gettext('Zur Diskussion')">
-                                        <h3 class="title-with-actions_title line-clamp-2 m-0">{{ discussion.title }}</h3>
+                                        <span class="title-with-actions_title discussion-title line-clamp-2 m-0">{{ discussion.title }}</span>
                                         <span
                                             v-if="redirect !== 'recent' && discussion.meta.postings_count > discussion.meta.user_read_index"
                                             class="unread-items-badge"
diff --git a/resources/vue/components/forum/posts/Post.vue b/resources/vue/components/forum/posts/Post.vue
index f954b94..28e70d2 100644
--- a/resources/vue/components/forum/posts/Post.vue
+++ b/resources/vue/components/forum/posts/Post.vue
@@ -203,17 +203,17 @@ const removePostHighlight = id => {
                     <div class="inline-flex items-center gap-40">
                         <div v-if="!discussion.closed_at" class="inline-flex items-center gap-10">
                             <template v-if="post.author?.id === auth_user.id">
-                                <button :disabled="editPost === post.id" @click="editPost = post.id" type="button" class="icon-button" :title="$gettext('Beitrag bearbeiten')" :aria-label="$gettext('Beitrag bearbeiten')">
+                                <button :disabled="editPost === post.id" @click="editPost = post.id" type="button" class="button button--icon-only" :title="$gettext('Beitrag bearbeiten')" :aria-label="$gettext('Beitrag bearbeiten')">
                                     <StudipIcon shape="edit" :size="20" aria-hidden="true" />
                                 </button>
-                                <button @click="deletePost(post)" type="button" class="icon-button" :title="$gettext('Beitrag löschen')" :aria-label="$gettext('Beitrag löschen')">
+                                <button @click="deletePost(post)" type="button" class="button button--icon-only" :title="$gettext('Beitrag löschen')" :aria-label="$gettext('Beitrag löschen')">
                                     <StudipIcon shape="trash" :size="20" aria-hidden="true" />
                                 </button>
                             </template>
-                            <button type="button" @click="forwardPost(post)" class="icon-button" :title="$gettext('Beitrage weiterleiten')" :aria-label="$gettext('Beitrage weiterleiten')">
+                            <button type="button" @click="forwardPost(post)" class="button button--icon-only" :title="$gettext('Beitrage weiterleiten')" :aria-label="$gettext('Beitrage weiterleiten')">
                                 <StudipIcon shape="export" :size="20" aria-hidden="true" />
                             </button>
-                            <button :disabled="postCreateForm" @click="addReply(post)" type="button" class="icon-button" :title="$gettext('Zitieren und antworten')" :aria-label="$gettext('Zitieren und Antworten')">
+                            <button :disabled="postCreateForm" @click="addReply(post)" type="button" class="button button--icon-only" :title="$gettext('Zitieren und antworten')" :aria-label="$gettext('Zitieren und Antworten')">
                                 <StudipIcon shape="quote" :size="20" aria-hidden="true" />
                             </button>
                         </div>
diff --git a/resources/vue/components/forum/posts/PostCreateForm.vue b/resources/vue/components/forum/posts/PostCreateForm.vue
index 095413a..00daeba 100644
--- a/resources/vue/components/forum/posts/PostCreateForm.vue
+++ b/resources/vue/components/forum/posts/PostCreateForm.vue
@@ -133,27 +133,25 @@ const storePost = async () => {
         <div v-if="forumConfig.anonymousPost" class="mt-10">
             <StudipSwitch name="anonymous" v-model="anonymous" :label="$gettext('Anonym')" />
         </div>
-        <div class="flex items-center gap-10">
+        <div class="post-form__footer">
             <button
                 type="submit"
                 :disabled="isLoading || !content"
-                class="button --with-icon"
+                class="button button--icon-label"
                 :title="$gettext('Antworten')"
                 :aria-label="$gettext('Antworten')"
             >
-                <StudipIcon shape="reply" :size="20"  class="icon-default" aria-hidden="true" />
-                <StudipIcon shape="reply" :size="20"  class="icon-hover" role="info_alt" aria-hidden="true" />
+                <StudipIcon shape="reply" :size="20" aria-hidden="true" />
                 {{ $gettext('Antworten') }}
             </button>
             <button
                 type="button"
-                class="button --with-icon"
+                class="button button--icon-label"
                 :title="$gettext('Abbrechen')"
                 :aria-label="$gettext('Abbrechen')"
                 @click="$emit('canceled')"
             >
-                <StudipIcon shape="decline" :size="20" class="icon-default" aria-hidden="true"/>
-                <StudipIcon shape="decline" :size="20" class="icon-hover" role="info_alt" aria-hidden="true"/>
+                <StudipIcon shape="decline" :size="20" aria-hidden="true"/>
                 {{ $gettext('Abbrechen') }}
             </button>
         </div>
diff --git a/resources/vue/components/forum/posts/PostEditForm.vue b/resources/vue/components/forum/posts/PostEditForm.vue
index 9c50f90..5c9c311 100644
--- a/resources/vue/components/forum/posts/PostEditForm.vue
+++ b/resources/vue/components/forum/posts/PostEditForm.vue
@@ -80,26 +80,24 @@ onUnmounted(() => {
         <div v-if="forumConfig.anonymousPost" class="mt-10">
             <StudipSwitch name="anonymous" v-model="anonymous" :label="$gettext('Anonym')" />
         </div>
-        <div class="flex items-center gap-10">
+        <div class="post-form__footer">
             <button
                 type="submit"
                 :disabled="isLoading || !content"
-                class="button --with-icon"
+                class="button button--icon-label"
                 :value="$gettext('Speichern')"
                 :title="$gettext('Speichern')"
             >
-                <StudipIcon shape="reply" :size="20"  class="icon-default" aria-hidden="true" />
-                <StudipIcon shape="reply" :size="20"  class="icon-hover" role="info_alt" aria-hidden="true" />
+                <StudipIcon shape="reply" :size="20" aria-hidden="true" />
                 {{ $gettext('Speichern') }}
             </button>
             <button
                 type="button"
-                class="button --with-icon"
+                class="button button--icon-label"
                 :title="$gettext('Abbrechen')"
                 @click="$emit('canceled')"
             >
-                <StudipIcon shape="decline" :size="20" class="icon-default" aria-hidden="true"/>
-                <StudipIcon shape="decline" :size="20" class="icon-hover" role="info_alt" aria-hidden="true"/>
+                <StudipIcon shape="decline" :size="20" aria-hidden="true"/>
                 {{ $gettext('Abbrechen') }}
             </button>
         </div>
diff --git a/resources/vue/components/forum/posts/PostReactionShow.vue b/resources/vue/components/forum/posts/PostReactionShow.vue
new file mode 100644
index 0000000..a15df91
--- /dev/null
+++ b/resources/vue/components/forum/posts/PostReactionShow.vue
@@ -0,0 +1,111 @@
+<script setup>
+import {$gettext} from "../../../../assets/javascripts/lib/gettext";
+import StudipDateTime from "../../StudipDateTime.vue";
+import UserAvatarDropdown from "../UserAvatarDropdown.vue";
+import {REACTION_ICONS} from "./reactions";
+import {userProfileURL} from "../helpers/urls";
+import {computed, onMounted} from "vue";
+import {useSortable} from "../../../composables/useSortable";
+
+const props = defineProps({
+    reactions: {
+        type: Array,
+        required: true
+    },
+    emoji: {
+        type: String,
+        default: 'all'
+    }
+});
+
+const computedReactions = computed(() => {
+    if (props.emoji === 'all') {
+        return props.reactions;
+    }
+
+    return props.reactions.filter(({ emoji }) => emoji === props.emoji);
+});
+
+const {
+    sortedData: sortedReactions,
+    sortBy,
+    getSortClass,
+    getAriaSortString,
+    getAriaSortLabel
+} = useSortable(computedReactions);
+
+onMounted(() => {
+    sortBy('mkdate', 'desc');
+});
+</script>
+
+<template>
+    <table class="default forum-table --posts-reactors">
+        <colgroup>
+            <col style="width: 50px;">
+            <col>
+            <col>
+        </colgroup>
+        <thead>
+            <tr class="sortable">
+                <th></th>
+                <th
+                    :class="getSortClass('user.formatted_name')"
+                    :aria-sort="getAriaSortString('user.formatted_name')"
+                    :aria-label="getAriaSortLabel('user.formatted_name', $gettext('Name'))"
+                >
+                    <a
+                        href="#"
+                        @click.prevent="sortBy('user.formatted_name')"
+                        :title="$gettext('Nach Name sortieren')">
+                        {{ $gettext('Name') }}
+                    </a>
+                </th>
+                <th
+                    :class="getSortClass('mkdate')"
+                    :aria-sort="getAriaSortString('mkdate')"
+                    :aria-label="getAriaSortLabel('mkdate', $gettext('Datum'))"
+                >
+                    <a
+                        href="#"
+                        @click.prevent="sortBy('mkdate')"
+                        :title="$gettext('Nach Datum sortieren')">
+                        {{ $gettext('Datum') }}
+                    </a>
+                </th>
+            </tr>
+        </thead>
+        <tbody>
+            <tr v-for="(reaction, index) in sortedReactions" :key="index">
+                <td>
+                    <div class="user-reaction">
+                        <UserAvatarDropdown
+                            size="30px"
+                            :user="{
+                                id: reaction.user.id,
+                                username: reaction.user.username,
+                                name: reaction.user.formatted_name,
+                                avatar_url: reaction.user.meta.avatar.medium
+                            }"
+                        />
+                        <span class="emoji-icon" v-html="REACTION_ICONS[reaction.emoji].icon"></span>
+                        <span class="sr-only">{{ emoji }}</span>
+                    </div>
+                </td>
+                <td>
+                    <a
+                        :href="userProfileURL(reaction.user.username)"
+                        :title="$gettext('Zum Profil')"
+                        :aria-label="$gettext('Zum Profil von %{name}', { name: reaction.user.formatted_name })"
+                        class="author-name"
+                    >
+                        {{ reaction.user.formatted_name }}
+                    </a>
+                </td>
+                <td>
+                    <StudipDateTime :iso="reaction.mkdate" :relative="true" />
+                </td>
+            </tr>
+        </tbody>
+    </table>
+</template>
diff --git a/resources/vue/components/forum/posts/PostReactions.vue b/resources/vue/components/forum/posts/PostReactions.vue
index 816ed15..49d6025 100644
--- a/resources/vue/components/forum/posts/PostReactions.vue
+++ b/resources/vue/components/forum/posts/PostReactions.vue
@@ -1,5 +1,5 @@
 <script setup>
-import {computed, ref, useTemplateRef} from "vue";
+import {computed, reactive, ref, useTemplateRef} from "vue";
 import {REACTION_ICONS} from "./reactions";
 import {$gettext} from "@/assets/javascripts/lib/gettext";
 import {numberFormatter} from "../../../../assets/javascripts/lib/number_formatter";
@@ -7,6 +7,8 @@ import useDetectOutsideClick from "../../../composables/useDetectOutsideClick";
 import {useForumPost} from "../../../store/pinia/forum/ForumPost";
 import {deserializeJSONAPIResponse} from "../../../../assets/javascripts/lib/jsonapiUtils";
 import StudipIcon from "../../StudipIcon.vue";
+import PostReactionShow from "./PostReactionShow.vue";
+import StudipDialog from "../../StudipDialog.vue";
 
 const forumDiscussionPost = useForumPost();
 const props = defineProps({
@@ -20,6 +22,7 @@ const props = defineProps({
     }
 });
 
+
 const showReactions = ref(false);
 const reactionStatusMessage = ref(null);
 
@@ -87,6 +90,11 @@ const findUserReaction = (emoji, reactions = props.reactions) => reactions.find(
 
 const reactionCreate = useTemplateRef('reactionCreate');
 useDetectOutsideClick(reactionCreate, () => showReactions.value = false);
+
+const reactionShowDialog = reactive({
+    isOpen: false,
+    emoji: 'all'
+});
 </script>
 
 <template>
@@ -104,21 +112,31 @@ useDetectOutsideClick(reactionCreate, () => showReactions.value = false);
                     :title="findUserReaction(emoji, reaction)  ? $gettext('Reaktion zurücknehmen') : $gettext('Reaktion hinzufügen')"
                     :aria-label="findUserReaction(emoji, reaction) ? $gettext('Reaktion zurücknehmen') : $gettext('Reaktion hinzufügen')"
                     @click="toggleReaction(emoji, reaction)">
-                    <span class="html-emoji" v-html="REACTION_ICONS[emoji].icon"></span>
+                    <span class="emoji-icon" v-html="REACTION_ICONS[emoji].icon"></span>
                     <span>{{ numberFormatter(reaction.length, 1) }}</span>
                 </button>
             </template>
         </template>
         <div ref="reactionCreate" class="post-reactions">
-            <button
-                class="post-reactions__create-button"
-                type="button"
-                :title="$gettext('Reagieren')"
-                :aria-label="$gettext('Reagieren')"
-                @click="showReactions = !showReactions">
-                <StudipIcon shape="add-reaction" class="add-reaction-icon" :size="18" />
-                <p>{{ numberFormatter(reactions.length, 1) }}</p>
-            </button>
+            <div class="post-reactions__button-group">
+                <button
+                    type="button"
+                    class="post-reactions__add-reaction"
+                    :title="$gettext('Reagieren')"
+                    :aria-label="$gettext('Reagieren')"
+                    @click="showReactions = !showReactions">
+                    <StudipIcon shape="add-reaction" class="add-reaction-icon" :size="18" />
+                </button>
+                <button
+                    v-if="reactions.length"
+                    type="button"
+                    class="post-reactions__show-reactions"
+                    :title="$gettext('Reaktionen anzeigen')"
+                    :aria-label="$gettext('%{count} Reaktionen anzeigen', { count: reactions.length })"
+                    @click="reactionShowDialog.isOpen = true">
+                    {{ numberFormatter(reactions.length, 1) }}
+                </button>
+            </div>
             <Transition name="fade">
                 <div v-if="showReactions" class="post-reactions__container">
                     <template v-for="(emoji, index) in REACTION_ICONS" :key="index">
@@ -131,11 +149,64 @@ useDetectOutsideClick(reactionCreate, () => showReactions.value = false);
                             :aria-label="$gettext('Auf diesen Beitrag mit %{emojiName} reagieren', { emojiName: emoji.value })"
                             @click="toggleReaction(emoji.value)"
                         >
-                            <span class="html-emoji" v-html="emoji.icon"></span>
+                            <span class="emoji-icon" v-html="emoji.icon"></span>
                         </button>
                     </template>
                 </div>
             </Transition>
         </div>
     </div>
+
+    <StudipDialog
+        v-if="reactionShowDialog.isOpen && reactions.length"
+        :title="$gettext('Reaktionen anzeigen')"
+        :closeText="$gettext('Schließen')"
+        closeClass="cancel"
+        height="700"
+        width="600"
+        @close="reactionShowDialog.isOpen = false"
+    >
+        <template #dialogContent>
+            <div class="forum">
+                <div class="tab post-reactions-dialog">
+                    <div class="tab__buttons" role="radiogroup" :aria-label="$gettext('Emoji-Filter')">
+                        <div class="tab__button">
+                            <input
+                                type="radio"
+                                id="reaction-all"
+                                name="reaction-filter"
+                                value="all"
+                                v-model="reactionShowDialog.emoji"
+                            />
+                            <label for="reaction-all" :class="{ 'is-checked': reactionShowDialog.emoji === 'all' }">
+                                {{ $gettext('Alle') }}
+                                <span>{{ numberFormatter(reactions.length, 1) }}</span>
+                            </label>
+                        </div>
+                        <div
+                            v-for="(reaction, emoji) in groupedReactions"
+                            :key="emoji"
+                            class="tab__button"
+                        >
+                            <input
+                                type="radio"
+                                :id="`reaction-${emoji}`"
+                                name="reaction-filter"
+                                :value="emoji"
+                                v-model="reactionShowDialog.emoji"
+                            />
+                            <label :for="`reaction-${emoji}`" :class="{ 'is-checked': reactionShowDialog.emoji === emoji }">
+                                <span class="emoji-icon" v-html="REACTION_ICONS[emoji].icon" aria-hidden="true"></span>
+                                <span class="sr-only">{{ emoji }}</span>
+                                <span>{{ numberFormatter(reaction.length, 1) }}</span>
+                            </label>
+                        </div>
+                    </div>
+                    <div class="tab__content">
+                        <PostReactionShow :reactions="reactions" :emoji="reactionShowDialog.emoji" />
+                    </div>
+                </div>
+            </div>
+        </template>
+    </StudipDialog>
 </template>
diff --git a/resources/vue/components/forum/topics/CreateTopic.vue b/resources/vue/components/forum/topics/CreateTopic.vue
index d6d3d5f..03b7542 100644
--- a/resources/vue/components/forum/topics/CreateTopic.vue
+++ b/resources/vue/components/forum/topics/CreateTopic.vue
@@ -28,7 +28,8 @@ const topicCreateURL = computed(() => {
         data-dialog="width=700"
         :title="$gettext('Neues Thema anlegen')"
         :aria-label="$gettext('Neues Thema anlegen')"
-        class="icon-button"
+        class="button button--icon-only"
+        :class="label ? 'button--icon-label' : 'button--icon-only'"
         role="button"
     >
         <StudipIcon shape="add" :size="20" aria-hidden="true" />
diff --git a/resources/vue/components/forum/topics/TopicItem.vue b/resources/vue/components/forum/topics/TopicItem.vue
index d783524..a499941 100644
--- a/resources/vue/components/forum/topics/TopicItem.vue
+++ b/resources/vue/components/forum/topics/TopicItem.vue
@@ -70,7 +70,7 @@ const swapTopic = event => {
                         <div class="title-with-actions">
                             <div class="title-with-actions__content">
                                 <a class="title-with-actions__link" :href="getTopicURL(topic.id)" :title="$gettext('Zum Thema')">
-                                    <h3 class="line-clamp-2">{{ topic.name }}</h3>
+                                    <span class="topic-title line-clamp-2">{{ topic.name }}</span>
                                     <span
                                         v-if="topic.meta.postings_count > topic.meta.user_read_index"
                                         class="unread-items-badge"
@@ -173,9 +173,9 @@ const swapTopic = event => {
                 <div class="topic-card__body">
                     <div class="flex space-between">
                         <div class="flex items-start gap-10">
-                            <h3 class="topic-card__title line-clamp-2">
+                            <span class="topic-card__title topic-title line-clamp-2">
                                 {{ topic.name }}
-                            </h3>
+                            </span>
 
                             <span
                                 v-if="topic.meta.postings_count > topic.meta.user_read_index"
diff --git a/templates/personal_notifications/notification.php b/templates/personal_notifications/notification.php
index b45fc58..20f1f9d 100644
--- a/templates/personal_notifications/notification.php
+++ b/templates/personal_notifications/notification.php
@@ -5,7 +5,7 @@
                 <? if (filter_var($notification['avatar'], FILTER_VALIDATE_URL)): ?>
                     <div class="avatar" style="background-color: currentColor; mask: url(<?= $notification['avatar'] ?>) no-repeat center / contain;;"></div>
                 <? else: ?>
-                    <div class="html-emoji">
+                    <div class="emoji-icon">
                         <?= $notification['avatar'] ?>
                     </div>
                 <? endif ?>