diff --git a/app/components/post/PostDetail.vue b/app/components/post/PostDetail.vue
new file mode 100644
index 0000000..7410a7f
--- /dev/null
+++ b/app/components/post/PostDetail.vue
@@ -0,0 +1,395 @@
+<template>
+    <div class="animate-fade-in-up">
+        <button
+            class="my-6 mx-6 flex items-center gap-2 text-sm font-bold text-blue-600 dark:text-blue-400 hover:underline"
+            @click="$emit('back')">
+            ← BACK TO FEED
+        </button>
+
+        <article class="bg-white dark:bg-gray-900 border dark:border-gray-800 rounded-2xl shadow-xl overflow-hidden">
+            <div
+                class="relative bg-gradient-to-br from-slate-50 to-slate-100 dark:from-slate-800 dark:to-slate-900 p-8 border-b dark:border-gray-800">
+
+                <div class="flex flex-col md:flex-row justify-between items-start md:items-center gap-4 mb-4">
+                    <span
+                        class="bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-300 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider shadow-sm border border-blue-200 dark:border-blue-800">
+                        {{ post.type.replace('_', ' ') }}
+                    </span>
+                    <span class="text-sm font-medium text-gray-500 dark:text-gray-400 flex items-center gap-2">
+                        <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
+                        </svg>
+                        {{ new Date(post.publicationDate).toLocaleDateString('en-US', {
+                            year:
+                                'numeric', month: 'long', day: 'numeric'
+                        }) }}
+                    </span>
+                </div>
+
+                <div class="flex gap-6 mb-6">
+                    <div>
+                        <span class="text-[10px] font-bold text-gray-400 uppercase tracking-widest mb-1">Rating</span>
+                        <div
+                            class="flex items-center gap-2 px-4 py-1.5 bg-white/80 dark:bg-gray-800/80 backdrop-blur shadow-sm rounded-xl border border-gray-200 dark:border-gray-700">
+                            <span class="text-xl font-black text-blue-600 dark:text-blue-400">{{ post.rating }}</span>
+                        </div>
+                    </div>
+                    <h1
+                        class="content-end text-3xl md:text-4xl font-extrabold text-gray-900 dark:text-white leading-tight">
+                        {{
+                            post.title }}</h1>
+                </div>
+
+                <div
+                    class="grid grid-cols-1 md:grid-cols-2 gap-6 p-4 bg-white/50 dark:bg-gray-800/50 rounded-xl border border-gray-200 dark:border-gray-700 backdrop-blur-sm">
+
+                    <div>
+                        <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Authors
+                        </h4>
+                        <div class="flex flex-wrap flex-col gap-2">
+                            <span v-for="(author, idx) in post.authors" :key="idx"
+                                class="inline-flex items-center gap-1.5 text-sm font-semibold text-gray-700 dark:text-gray-200">
+                                <span
+                                    class="w-6 h-6 rounded-full bg-indigo-100 text-indigo-600 dark:bg-indigo-900 dark:text-indigo-300 flex items-center justify-center text-xs">
+                                    {{ author.charAt(0) }}
+                                </span>
+                                {{ author }}
+                            </span>
+                        </div>
+                    </div>
+
+                    <div>
+                        <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Submitted
+                            By</h4>
+                        <div class="flex items-center gap-3">
+                            <div
+                                class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center font-bold text-xs">
+                                {{ post.submitter.name.charAt(0) }}
+                            </div>
+                            <div>
+                                <div class="text-sm font-bold text-gray-900 dark:text-white">{{
+                                    post.submitter.name }}</div>
+                                <div class="text-xs text-gray-500">{{ post.submitter.role }} • {{
+                                    post.submitter.email }}</div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+
+                <div class="p-8">
+                    <div class="mb-10">
+                        <h3 class="text-lg font-bold text-gray-900 dark:text-white mb-4 flex items-center gap-2">
+                            <svg class="w-5 h-5 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                    d="M4 6h16M4 12h16M4 18h7" />
+                            </svg>
+                            Abstract
+                        </h3>
+                        <p
+                            class="text-gray-700 dark:text-gray-300 leading-relaxed text-lg text-justify whitespace-pre-line break-normal">
+                            {{ post.abstractText }}
+                        </p>
+                    </div>
+
+                    <div
+                        class="flex flex-col md:flex-row justify-between items-start md:items-center gap-6 mb-8 pb-8 border-b dark:border-gray-800">
+                        <div v-if="post.tags && post.tags.length > 0">
+                            <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Tags</h4>
+                            <div class="flex flex-wrap gap-2">
+                                <span v-for="tag in post.tags" :key="tag.id"
+                                    class="px-3 py-1 rounded-lg bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 text-sm font-medium border border-gray-200 dark:border-gray-700">
+                                    #{{ tag.name }}
+                                </span>
+                            </div>
+                        </div>
+                        <div v-else class="text-sm text-gray-400 italic">No tags assigned</div>
+                    </div>
+
+                    <div v-if="post.attachedFile"
+                        class="mb-10 bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700 rounded-xl p-5 hover:border-blue-400 transition-colors group">
+                        <div class="flex items-center justify-between">
+                            <div class="flex items-center gap-4">
+                                <div
+                                    class="p-3 bg-red-100 text-red-600 rounded-lg group-hover:scale-110 transition-transform">
+                                    <svg class="w-8 h-8" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                            d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
+                                    </svg>
+                                </div>
+                                <div>
+                                    <div class="font-bold text-gray-900 dark:text-white mb-0.5">Attachment
+                                        Available</div>
+                                    <div class="text-xs text-gray-500 font-mono truncate max-w-[200px] md:max-w-md">
+                                        {{ getFileName(post.attachedFile) }}
+                                    </div>
+                                </div>
+                            </div>
+                            <button
+                                class="flex items-center gap-2 px-5 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-lg shadow-lg shadow-blue-500/30 transform hover:-translate-y-0.5 transition-all"
+                                @click="downloadFile(post)">
+                                <svg class="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                        d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
+                                </svg>
+                                Download
+                            </button>
+                        </div>
+                    </div>
+
+                    <section class="border-t dark:border-gray-800 pt-8">
+                        <div class="flex justify-between items-center mb-6">
+                            <h3 class="text-xl font-bold flex items-center gap-2">
+                                Comments <span class="text-xs bg-gray-100 dark:bg-gray-800 px-2 py-1 rounded-full">{{
+                                    totalComments }}</span>
+                            </h3>
+                            <button
+                                class="w-10 h-10 bg-blue-600 hover:bg-blue-700 text-white rounded-full shadow-lg transition-all active:scale-95 flex items-center justify-center group"
+                                title="New Post" @click="showCommentInput = !showCommentInput">
+                                <svg viewBox="0 0 24 24" class="w-5 h-5 fill-none stroke-current stroke-[2.5]"
+                                    xmlns="http://www.w3.org/2000/svg">
+                                    <line x1="12" y1="5" x2="12" y2="19" />
+                                    <line x1="5" y1="12" x2="19" y2="12" />
+                                </svg>
+                            </button>
+                        </div>
+
+                        <Transition enter-active-class="transition duration-200 ease-out"
+                            enter-from-class="transform scale-95 opacity-0"
+                            enter-to-class="transform scale-100 opacity-100"
+                            leave-active-class="transition duration-150 ease-in"
+                            leave-from-class="transform scale-100 opacity-100"
+                            leave-to-class="transform scale-95 opacity-0">
+                            <div v-if="showCommentInput" class="mb-8 space-y-3">
+                                <textarea v-model="commentText" rows="3"
+                                    class="w-full px-4 py-3 bg-gray-50 dark:bg-gray-800 border dark:border-gray-700 rounded-lg outline-none text-sm focus:ring-2 focus:ring-blue-500"
+                                    placeholder="What are your thoughts?" />
+                                <div class="flex justify-end">
+                                    <button :disabled="!commentText.trim() || submitting"
+                                        class="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white font-bold px-6 py-2 rounded-lg transition-all"
+                                        @click="handleCommentSubmit">
+                                        {{ submitting ? 'POSTING...' : 'COMMENT' }}
+                                    </button>
+                                </div>
+                            </div>
+                        </Transition>
+
+                        <div class="space-y-6">
+                            <div v-for="comment in comments" :key="comment.id" class="flex gap-4">
+                                <div
+                                    class="w-8 h-8 rounded-full bg-gradient-to-br from-gray-200 to-gray-300 dark:from-gray-700 dark:to-gray-600 shrink-0 flex items-center justify-center text-[10px] font-bold">
+                                    {{ comment.author.name.charAt(0) }}
+                                </div>
+                                <div class="flex-1">
+                                    <div
+                                        class="bg-gray-50 dark:bg-gray-800/50 p-4 rounded-xl rounded-tl-none border dark:border-gray-800">
+                                        <div class="flex justify-between mb-2">
+                                            <div>
+                                                <span class="mr-3 font-bold text-sm text-blue-600 dark:text-blue-400">{{
+                                                    comment.author.name }}</span>
+                                                <button v-if="authStore.user.id == comment.author.id"
+                                                    class="p-1 text-slate-400 hover:text-blue-600 hover:bg-blue-50 dark:hover:bg-blue-900/20 rounded-lg transition-all transform hover:scale-110 active:scale-95 cursor-pointer"
+                                                    title="Edit" @click.stop="startEdit(comment)">
+                                                    <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24"
+                                                        stroke="currentColor">
+                                                        <path stroke-linecap="round" stroke-linejoin="round"
+                                                            stroke-width="2"
+                                                            d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
+                                                    </svg>
+                                                </button>
+                                                <button
+                                                    v-if="authStore.user.id == comment.author.id || authStore.user.role != 'COLLABORATOR'"
+                                                    class="p-1 text-slate-400 hover:text-amber-600 hover:bg-amber-50 dark:hover:bg-amber-900/20 rounded-lg transition-all transform hover:scale-110 active:scale-95 cursor-pointer"
+                                                    :title="post.hidden ? 'Unhide' : 'Hide'"
+                                                    @click.stop="toggleHide(comment)">
+                                                    <svg width="16px" height="16px" viewBox="0 0 16 16"
+                                                        xmlns="http://www.w3.org/2000/svg" fill="currentColor">
+                                                        <path
+                                                            d="M16 8s-3-5.5-8-5.5S0 8 0 8s3 5.5 8 5.5S16 8 16 8zM1.173 8a13.133 13.133 0 0 1 1.66-2.043C4.12 4.668 5.88 3.5 8 3.5c2.12 0 3.879 1.168 5.168 2.457A13.133 13.133 0 0 1 14.828 8c-.058.087-.122.183-.195.288-.335.48-.83 1.12-1.465 1.755C11.879 11.332 10.119 12.5 8 12.5c-2.12 0-3.879-1.168-5.168-2.457A13.134 13.134 0 0 1 1.172 8z" />
+                                                        <path
+                                                            d="M8 5.5a2.5 2.5 0 1 0 0 5 2.5 2.5 0 0 0 0-5zM4.5 8a3.5 3.5 0 1 1 7 0 3.5 3.5 0 0 1-7 0z" />
+
+                                                        <line v-if="comment.hidden" x1="3" y1="3" x2="13" y2="13"
+                                                            stroke="currentColor" stroke-width="1.5"
+                                                            stroke-linecap="round" />
+                                                    </svg>
+                                                </button>
+                                            </div>
+
+                                            <span class="text-[10px] text-gray-400 uppercase">{{ new
+                                                Date(comment.createdAt).toLocaleDateString('en-US', {
+                                                    year:
+                                                        'numeric', month: 'long', day: 'numeric'
+                                                }) }}</span>
+                                        </div>
+                                        <div class="mt-2">
+                                            <div v-if="editingCommentId === comment.id" class="space-y-2">
+                                                <textarea v-model="editText"
+                                                    class="w-full px-3 py-2 text-sm bg-white dark:bg-gray-800 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none"
+                                                    rows="2" />
+                                                <div class="flex gap-2 justify-end">
+                                                    <button class="text-xs font-bold text-gray-500 hover:text-gray-700"
+                                                        @click="cancelEdit">CANCEL</button>
+                                                    <button class="text-xs font-bold text-blue-600 hover:text-blue-700"
+                                                        :disabled="submitting" @click="handleEditSubmit(comment)">
+                                                        {{ submitting ? 'SAVING...' : 'SAVE' }}
+                                                    </button>
+                                                </div>
+                                            </div>
+
+                                            <p v-else
+                                                :class="['text-sm leading-relaxed whitespace-pre-wrap break-normal', comment.hidden ? 'text-gray-400 italic opacity-50' : 'text-gray-700 dark:text-gray-300']">
+                                                {{ comment.hidden ? 'This comment has been hidden.' : comment.content }}
+                                            </p>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <div class="h-20 flex flex-col items-center justify-center">
+                                <p v-if="comments.length === 0 && !loadingComments"
+                                    class="text-sm text-gray-500 italic py-4">No comments yet. Be the first!</p>
+                            </div>
+                        </div>
+                    </section>
+                </div>
+            </div>
+        </article>
+    </div>
+</template>
+
+<script setup>
+const props = defineProps({
+    post: Object,
+    api: String,
+    token: String
+});
+
+const emit = defineEmits(['back', 'comment-added']);
+
+const authStore = useAuthStore();
+const notifications = useNotificationStore();
+const comments = ref([]);
+const commentText = ref('');
+const submitting = ref(false);
+const loadingComments = ref(false);
+const showCommentInput = ref(false);
+const totalComments = ref(0);
+const editingCommentId = ref(null);
+const editText = ref('');
+
+const toggleHide = async (comment) => {
+    try {
+        comment.hidden = !comment.hidden;
+
+        await $fetch(`${props.api}/comments/${comment.id}`, {
+            method: 'PATCH',
+            headers: { Authorization: `Bearer ${props.token}` },
+            body: { is_hidden: comment.hidden }
+        });
+
+        notifications.success(comment.hidden ? "Comment hidden" : "Comment visible");
+    } catch (err) {
+        comment.hidden = !comment.hidden;
+        notifications.error("Failed to update comment visibility");
+    }
+};
+
+const startEdit = (comment) => {
+    editingCommentId.value = comment.id;
+    editText.value = comment.content;
+};
+
+const cancelEdit = () => {
+    editingCommentId.value = null;
+    editText.value = '';
+};
+
+const handleEditSubmit = async (comment) => {
+    if (!editText.value.trim() || submitting.value) return;
+
+    submitting.value = true;
+    try {
+        await $fetch(`${props.api}/comments/${comment.id}`, {
+            method: 'PUT',
+            headers: { Authorization: `Bearer ${props.token}` },
+            body: { content: editText.value }
+        });
+
+        comment.content = editText.value;
+        editingCommentId.value = null;
+        notifications.success("Comment updated!");
+    } catch (err) {
+        notifications.error("Failed to edit comment");
+    } finally {
+        submitting.value = false;
+    }
+};
+
+const fetchComments = async () => {
+    if (loadingComments.value) return;
+    loadingComments.value = true;
+    try {
+        const data = await $fetch(`${props.api}/publications/${props.post.id}/comments`, {
+            headers: { Authorization: `Bearer ${props.token}` }
+        });
+
+        comments.value = data.items || data;
+        totalComments.value = data.total || comments.value.length;
+    } catch (err) {
+        console.error("Comments fetch error", err);
+    } finally {
+        loadingComments.value = false;
+    }
+};
+
+const handleCommentSubmit = async () => {
+    submitting.value = true;
+    try {
+        const newComment = await $fetch(`${props.api}/publications/${props.post.id}/comments`, {
+            method: 'POST',
+            headers: { Authorization: `Bearer ${props.token}` },
+            body: { content: commentText.value }
+        });
+
+        comments.value.unshift(newComment);
+        totalComments.value++;
+        commentText.value = '';
+        showCommentInput.value = false;
+        emit('comment-added');
+        notifications.success("Comment posted!");
+    } catch (err) {
+        notifications.error("Failed to post comment");
+    } finally {
+        submitting.value = false;
+    }
+};
+
+const getFileName = (fullPath) => {
+    if (!fullPath) return null;
+    return fullPath.split(/[/\\]/).pop();
+};
+
+const downloadFile = async () => {
+    if (!props.post.attachedFile) return;
+
+    const filename = getFileName(props.post.attachedFile);
+
+    const downloadUrl = `${props.api}/publications/download/${filename}`;
+
+    try {
+        const link = document.createElement('a');
+        link.href = downloadUrl;
+        link.setAttribute('download', filename);
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+    } catch (e) {
+        notifications.error("Could not download file.");
+    }
+};
+
+onMounted(() => {
+    fetchComments();
+});
+</script>
\ No newline at end of file
diff --git a/app/components/ui/modal/CreatePostModal.vue b/app/components/ui/modal/CreatePostModal.vue
index c12e85f..67c280d 100644
--- a/app/components/ui/modal/CreatePostModal.vue
+++ b/app/components/ui/modal/CreatePostModal.vue
@@ -237,7 +237,7 @@ const getTagClass = (id) => {
 
                         <div>
                             <label class="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
-                                Abstract ({{ uploadForm.abstract.length }}/2000)
+                                Abstract ({{ uploadForm.abstract.length }}/255)
                             </label>
                             <textarea v-model="uploadForm.abstract" rows="4"
                                 :class="[errors.abstract ? 'border-red-500' : 'border-slate-300 dark:border-slate-700']"
diff --git a/app/pages/admin/users/index.vue b/app/pages/admin/users/index.vue
index 87dc9a6..5456bc8 100644
--- a/app/pages/admin/users/index.vue
+++ b/app/pages/admin/users/index.vue
@@ -202,11 +202,9 @@
                                         <span
                                             class="inline-flex items-center px-3 py-1.5 rounded-lg text-xs font-bold border capitalize"
                                             :class="{
-                                                'bg-purple-100 border-purple-200 text-purple-700 dark:bg-purple-900/20 dark:border-purple-800 dark:text-purple-300': user.role === 'ADMIN',
-                                                'bg-blue-100 border-blue-200 text-blue-700 dark:bg-blue-900/20 dark:border-blue-800 dark:text-blue-300': user.role === 'TEACHER',
-                                                'bg-emerald-100 border-emerald-200 text-emerald-700 dark:bg-emerald-900/20 dark:border-emerald-800 dark:text-emerald-300': user.role === 'RESEARCHER',
-                                                'bg-amber-100 border-amber-200 text-amber-700 dark:bg-amber-900/20 dark:border-amber-800 dark:text-amber-300': user.role === 'COLLABORATOR',
-                                                'bg-slate-100 border-slate-200 text-slate-700 dark:bg-slate-800 dark:border-slate-700 dark:text-slate-300': user.role === 'STUDENT'
+                                                'bg-purple-100 border-purple-200 text-purple-700 dark:bg-purple-900/20 dark:border-purple-800 dark:text-purple-300': user.role === 'ADMINISTRATOR',
+                                                'bg-emerald-100 border-emerald-200 text-emerald-700 dark:bg-emerald-900/20 dark:border-emerald-800 dark:text-emerald-300': user.role === 'MODERATOR',
+                                                'bg-amber-100 border-amber-200 text-amber-700 dark:bg-amber-900/20 dark:border-amber-800 dark:text-amber-300': user.role === 'COLLABORATOR'
                                             }">
                                             {{ user.role.toLowerCase() }}
                                         </span>
@@ -276,7 +274,7 @@
                                         <div
                                             class="w-1.5 h-8 bg-gradient-to-b from-blue-600 to-indigo-600 rounded-full" />
                                         <h3 class="text-xl font-bold text-slate-900 dark:text-white">{{ isEditing ?
-                                            'Edit User Details' : 'Create New User' }}</h3>
+                                            'Edit User Details' : 'Create' }}</h3>
                                     </div>
                                     <button class="p-2 text-slate-400 hover:text-slate-600 dark:hover:text-slate-300"
                                         @click="closeModal"><svg class="w-5 h-5" fill="none" viewBox="0 0 24 24"
@@ -313,10 +311,8 @@
                                             <div class="relative">
                                                 <select v-model="formData.role"
                                                     class="w-full appearance-none px-4 py-3 rounded-xl border-2 border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-all cursor-pointer">
-                                                    <option value="STUDENT">Student</option>
-                                                    <option value="TEACHER">Teacher</option>
                                                     <option value="COLLABORATOR">Collaborator</option>
-                                                    <option value="RESEARCHER">Researcher</option>
+                                                    <option value="MODERATOR">Moderator</option>
                                                     <option value="ADMIN">Admin</option>
                                                 </select>
                                                 <svg class="absolute right-4 top-1/2 -translate-y-1/2 w-5 h-5 text-slate-400 pointer-events-none"
@@ -372,7 +368,7 @@
                                     <button
                                         class="px-8 py-3 bg-blue-600 hover:bg-blue-700 text-white font-semibold rounded-xl shadow-lg transition-all"
                                         @click="handleSubmit">{{
-                                            isEditing ? 'Save Changes' : 'Create Account' }}</button>
+                                            isEditing ? 'Save Changes' : 'Create' }}</button>
                                     <button
                                         class="px-8 py-3 bg-white dark:bg-slate-800 border-2 border-slate-200 dark:border-slate-700 hover:bg-slate-50 dark:hover:bg-slate-700 text-slate-700 dark:text-slate-300 font-semibold rounded-xl transition-all"
                                         @click="closeModal">Cancel</button>
@@ -445,27 +441,30 @@
                                         class="relative bg-slate-50 dark:bg-slate-800/50 rounded-xl p-5 border border-slate-200 dark:border-slate-800">
                                         <div class="flex gap-4">
                                             <div class="flex flex-col items-center min-w-[90px] text-center">
-                                                <span class="text-xs font-bold text-slate-500 uppercase mb-1">{{ new
-                                                    Date(item.timestamp).toLocaleDateString('en-US', {
-                                                        month: 'short',
-                                                        day: 'numeric'
-                                                    }) }}</span>
-                                                <span class="text-xs text-slate-400">{{ new
-                                                    Date(item.timestamp).toLocaleTimeString([], {
-                                                        hour: '2-digit',
-                                                        minute: '2-digit'
-                                                    }) }}</span>
+                                                <span class="text-xs font-bold text-slate-500 uppercase mb-1">
+                                                    {{ new Date(item.timestamp).toLocaleDateString('en-US', {
+                                                        month:
+                                                    'short', day: 'numeric' }) }}
+                                                </span>
+                                                <span class="text-xs text-slate-400">
+                                                    {{ new Date(item.timestamp).toLocaleTimeString([], {
+                                                        hour:
+                                                    '2-digit', minute: '2-digit' }) }}
+                                                </span>
                                             </div>
                                             <div class="flex-1">
                                                 <div class="flex items-center gap-2 mb-2">
                                                     <span
-                                                        class="px-2.5 py-1 rounded-md text-xs font-bold uppercase tracking-wide bg-slate-200 dark:bg-slate-700 text-slate-700 dark:text-slate-300">{{
-                                                            item.action.replace('_', ' ') }}</span>
-                                                    <span class="text-xs text-slate-400 font-medium">{{ item.target_type
-                                                        }} #{{ item.target_id }}</span>
+                                                        class="px-2.5 py-1 rounded-md text-xs font-bold uppercase tracking-wide bg-slate-200 dark:bg-slate-700 text-slate-700 dark:text-slate-300">
+                                                        {{ item.actionType.replace('_', ' ') }}
+                                                    </span>
+                                                    <span class="text-xs text-slate-400 font-medium">
+                                                        {{ item.targetType }} #{{ item.targetId }}
+                                                    </span>
                                                 </div>
-                                                <p class="text-sm text-slate-700 dark:text-slate-300 leading-relaxed">{{
-                                                    item.details }}</p>
+                                                <p class="text-sm text-slate-700 dark:text-slate-300 leading-relaxed">
+                                                    {{ item.description }}
+                                                </p>
                                             </div>
                                         </div>
                                     </div>
@@ -508,57 +507,12 @@ const searchQuery = ref('');
 const selectedUser = ref(null);
 const userHistory = ref([]);
 
-const generateMockHistory = () => {
-    const actions = ['UPLOADED_PUBLICATION', 'ADDED_COMMENT', 'CORRECTED_PUBLICATION', 'RATED_PUBLICATION', 'TAGGED_PUBLICATION'];
-    const targetTypes = ['Publication', 'Comment', 'Review'];
-    const details = [
-        'Fez upload da publicação "A New Technique for Data Science"',
-        'Comentou na publicação "Reference Paper Y"',
-        'Corrigiu informação da publicação "Machine Learning Advances"',
-        'Atribuiu 5 estrelas à publicação "Deep Learning Research"',
-        'Adicionou tag "AI" à publicação "Neural Networks Study"',
-        'Fez upload da publicação "Quantum Computing Overview"',
-        'Comentou na publicação "Data Analysis Methods"',
-        'Corrigiu informação da publicação "Statistical Models in Research"',
-        'Atribuiu 4 estrelas à publicação "Big Data Trends"',
-        'Adicionou tag "Data Science" à publicação "Data Visualization Techniques"'
-    ];
-
-    const history = [];
-    const numEvents = Math.floor(Math.random() * 20) + 8;
-
-    for (let i = 0; i < numEvents; i++) {
-        const randomAction = actions[Math.floor(Math.random() * actions.length)];
-        const randomTargetType = targetTypes[Math.floor(Math.random() * targetTypes.length)];
-        const randomDetails = details[Math.floor(Math.random() * details.length)];
-        const daysAgo = Math.floor(Math.random() * 30);
-        const hoursAgo = Math.floor(Math.random() * 24);
-        const minutesAgo = Math.floor(Math.random() * 60);
-
-        const timestamp = new Date();
-        timestamp.setDate(timestamp.getDate() - daysAgo);
-        timestamp.setHours(timestamp.getHours() - hoursAgo);
-        timestamp.setMinutes(timestamp.getMinutes() - minutesAgo);
-
-        history.push({
-            id: 1000 + i,
-            action: randomAction,
-            target_type: randomTargetType,
-            target_id: 200 + Math.floor(Math.random() * 50),
-            details: randomDetails,
-            timestamp: timestamp.toISOString()
-        });
-    }
-
-    return history.sort((a, b) => new Date(b.timestamp).getTime() - new Date(a.timestamp).getTime());
-};
-
 const formData = reactive({
     id: 0,
     name: '',
     email: '',
     password: '',
-    role: 'STUDENT',
+    role: 'COLLABORATOR',
     is_active: true
 });
 
@@ -572,7 +526,7 @@ const filteredUsers = computed(() => {
 });
 
 const activeCount = computed(() => users.value.filter(u => u.is_active).length);
-const adminCount = computed(() => users.value.filter(u => u.role === 'ADMIN').length);
+const adminCount = computed(() => users.value.filter(u => u.role === 'ADMINISTRATOR').length);
 
 const fetchUsers = async () => {
     loading.value = true;
@@ -658,10 +612,26 @@ const confirmDelete = async (user) => {
     }
 };
 
-const openUserDetails = (user) => {
+const openUserDetails = async (user) => {
     selectedUser.value = user;
-    userHistory.value = generateMockHistory(user.id);
     showDetailsModal.value = true;
+
+    try {
+        const data = await $fetch(`${api}/users/${user.id}/history`, {
+            method: 'GET',
+            headers: { Authorization: `Bearer ${token.value}` }
+        });
+
+        if (data && typeof data === 'object') {
+            userHistory.value = Object.values(data).sort((a, b) => b.timestamp - a.timestamp);
+        } else {
+            userHistory.value = [];
+        }
+    } catch (error) {
+        console.error("Error fetching user history", error);
+        notifications.error("Failed to load activity history");
+        userHistory.value = [];
+    }
 };
 
 const closeDetailsModal = () => {
@@ -701,7 +671,7 @@ const resetForm = () => {
     formData.name = '';
     formData.email = '';
     formData.password = '';
-    formData.role = 'STUDENT';
+    formData.role = 'COLLABORATOR';
     formData.is_active = true;
 };
 
diff --git a/app/pages/auth/login.vue b/app/pages/auth/login.vue
index fc10139..a7421da 100644
--- a/app/pages/auth/login.vue
+++ b/app/pages/auth/login.vue
@@ -91,7 +91,6 @@ async function handleLogin() {
       body: loginFormData,
       onResponse({ response }) {
         if (response.status === 200) {
-          console.log(response)
           token.value = response._data.token;
           user.value = response._data.user;
           if (response._data.user.mustChangePassword === true) {
@@ -102,7 +101,6 @@ async function handleLogin() {
         }
       },
       onResponseError({ response }) {
-        console.log(response.status)
         if (response.status === 401) {
           globalError.value = "Invalid email or password.";
         } else {
diff --git a/app/pages/index.vue b/app/pages/index.vue
index 1f202cb..0f7d005 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -139,12 +139,12 @@
                   class="flex flex-col items-center gap-1 text-gray-500 dark:text-gray-400 bg-gray-50 dark:bg-gray-800/50 p-2 rounded-lg h-fit">
 
                   <button class="hover:text-blue-500 transition-colors text-lg"
-                    @click.stop="votePost(post, 1)">▲</button>
+                    :class="{ 'text-orange-500': post.my_vote === 'UP' }" @click.stop="votePost(post, 1)">▲</button>
 
                   <span class="text-xs font-bold">{{ post.rating }}</span>
 
                   <button class="hover:text-red-500 transition-colors text-lg"
-                    @click.stop="votePost(post, -1)">▼</button>
+                    :class="{ 'text-blue-500': post.my_vote === 'DOWN' }" @click.stop="votePost(post, -1)">▼</button>
                 </div>
 
                 <div class="flex-1">
@@ -165,7 +165,7 @@
                           d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
                       </svg>
                     </button>
-                    <button v-if="authStore.user.role != 'COLLABORATOR'"
+                    <button v-if="authStore.user.id == post.submitter.id || authStore.user.role != 'COLLABORATOR'"
                       class="p-1 text-slate-400 hover:text-amber-600 hover:bg-amber-50 dark:hover:bg-amber-900/20 rounded-lg transition-all transform hover:scale-110 active:scale-95 cursor-pointer"
                       :title="post.hidden ? 'Unhide' : 'Hide'" @click.stop="toggleHide(post)">
                       <svg width="16px" height="16px" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"
@@ -175,8 +175,8 @@
                         <path
                           d="M8 5.5a2.5 2.5 0 1 0 0 5 2.5 2.5 0 0 0 0-5zM4.5 8a3.5 3.5 0 1 1 7 0 3.5 3.5 0 0 1-7 0z" />
 
-                        <line v-if="post.hidden" x1="3" y1="3" x2="13" y2="13" stroke="currentColor"
-                          stroke-width="1.5" stroke-linecap="round" />
+                        <line v-if="post.hidden" x1="3" y1="3" x2="13" y2="13" stroke="currentColor" stroke-width="1.5"
+                          stroke-linecap="round" />
                       </svg>
                     </button>
                   </div>
@@ -217,216 +217,11 @@
             <div v-if="loading"
               class="animate-spin h-6 w-6 border-2 border-blue-600 border-t-transparent rounded-full" />
           </div>
-
         </div>
-        <div v-if="selectedPost" class="animate-fade-in-up">
-          <button
-            class="mb-6 flex items-center gap-2 text-sm font-bold text-blue-600 dark:text-blue-400 hover:underline"
-            @click="selectedPost = null">
-            ← BACK TO FEED
-          </button>
 
-          <article class="bg-white dark:bg-gray-900 border dark:border-gray-800 rounded-2xl shadow-xl overflow-hidden">
+        <PostDetail v-if="selectedPost" :post="selectedPost" :api="api" :token="token" @back="selectedPost = null"
+          @vote="(dir) => votePost(selectedPost, dir)" @comment-added="() => selectedPost.commentCount++" />
 
-            <div
-              class="relative bg-gradient-to-br from-slate-50 to-slate-100 dark:from-slate-800 dark:to-slate-900 p-8 border-b dark:border-gray-800">
-              <div class="flex flex-col md:flex-row justify-between items-start md:items-center gap-4 mb-4">
-                <span
-                  class="bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-300 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider shadow-sm border border-blue-200 dark:border-blue-800">
-                  {{ selectedPost.type.replace('_', ' ') }}
-                </span>
-                <span class="text-sm font-medium text-gray-500 dark:text-gray-400 flex items-center gap-2">
-                  <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                      d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
-                  </svg>
-                  {{ new Date(selectedPost.publicationDate).toLocaleDateString('en-US', {
-                    year:
-                      'numeric', month: 'long', day: 'numeric'
-                  }) }}
-                </span>
-              </div>
-
-              <h1 class="text-3xl md:text-4xl font-extrabold text-gray-900 dark:text-white mb-6 leading-tight">
-                {{ selectedPost.title }}
-              </h1>
-
-              <div
-                class="grid grid-cols-1 md:grid-cols-2 gap-6 p-4 bg-white/50 dark:bg-gray-800/50 rounded-xl border border-gray-200 dark:border-gray-700 backdrop-blur-sm">
-
-                <div>
-                  <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Authors
-                  </h4>
-                  <div class="flex flex-wrap gap-2">
-                    <span v-for="(author, idx) in selectedPost.authors" :key="idx"
-                      class="inline-flex items-center gap-1.5 text-sm font-semibold text-gray-700 dark:text-gray-200">
-                      <span
-                        class="w-6 h-6 rounded-full bg-indigo-100 text-indigo-600 dark:bg-indigo-900 dark:text-indigo-300 flex items-center justify-center text-xs">
-                        {{ author.charAt(0) }}
-                      </span>
-                      {{ author }}
-                    </span>
-                  </div>
-                </div>
-
-                <div>
-                  <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Submitted
-                    By</h4>
-                  <div class="flex items-center gap-3">
-                    <div
-                      class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center font-bold text-xs">
-                      {{ selectedPost.submitter.name.charAt(0) }}
-                    </div>
-                    <div>
-                      <div class="text-sm font-bold text-gray-900 dark:text-white">{{
-                        selectedPost.submitter.name }}</div>
-                      <div class="text-xs text-gray-500">{{ selectedPost.submitter.role }} • {{
-                        selectedPost.submitter.email }}</div>
-                    </div>
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            <div class="p-8">
-              <div class="mb-10">
-                <h3 class="text-lg font-bold text-gray-900 dark:text-white mb-4 flex items-center gap-2">
-                  <svg class="w-5 h-5 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h7" />
-                  </svg>
-                  Abstract
-                </h3>
-                <p class="text-gray-700 dark:text-gray-300 leading-relaxed text-lg text-justify whitespace-pre-line">
-                  {{ selectedPost.abstractText }}
-                </p>
-              </div>
-
-              <div
-                class="flex flex-col md:flex-row justify-between items-start md:items-center gap-6 mb-8 pb-8 border-b dark:border-gray-800">
-                <div v-if="selectedPost.tags && selectedPost.tags.length > 0">
-                  <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">Tags</h4>
-                  <div class="flex flex-wrap gap-2">
-                    <span v-for="tag in selectedPost.tags" :key="tag.id"
-                      class="px-3 py-1 rounded-lg bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 text-sm font-medium border border-gray-200 dark:border-gray-700">
-                      #{{ tag.name }}
-                    </span>
-                  </div>
-                </div>
-                <div v-else class="text-sm text-gray-400 italic">No tags assigned</div>
-
-                <div class="flex items-center gap-4">
-                  <div
-                    class="flex items-center bg-slate-100 dark:bg-slate-800 rounded-xl border border-slate-200 dark:border-slate-700 p-1.5 shadow-sm">
-
-                    <button class="p-2 rounded-lg transition-all active:scale-90"
-                      :class="selectedPost.my_vote === 'UP' ? 'text-orange-600 bg-orange-100 dark:bg-orange-900/30' : 'text-slate-400 hover:text-orange-500 hover:bg-white dark:hover:bg-slate-700'"
-                      title="Upvote" @click="votePost(selectedPost, 1)">
-                      <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2.5">
-                        <path stroke-linecap="round" stroke-linejoin="round" d="M5 15l7-7 7 7" />
-                      </svg>
-                    </button>
-
-                    <div class="min-w-[40px] text-center">
-                      <span class="text-2xl font-black tracking-tight" :class="{
-                        'text-orange-600': selectedPost.my_vote === 'UP',
-                        'text-blue-600': selectedPost.my_vote === 'DOWN',
-                        'text-slate-900 dark:text-white': !selectedPost.my_vote || selectedPost.my_vote === 'NONE'
-                      }">
-                        {{ selectedPost.rating }}
-                      </span>
-                    </div>
-
-                    <button class="p-2 rounded-lg transition-all active:scale-90"
-                      :class="selectedPost.my_vote === 'DOWN' ? 'text-blue-600 bg-blue-100 dark:bg-blue-900/30' : 'text-slate-400 hover:text-blue-500 hover:bg-white dark:hover:bg-slate-700'"
-                      title="Downvote" @click="votePost(selectedPost, -1)">
-                      <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2.5">
-                        <path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7" />
-                      </svg>
-                    </button>
-                  </div>
-                </div>
-              </div>
-
-              <div v-if="selectedPost.attachedFile"
-                class="mb-10 bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700 rounded-xl p-5 hover:border-blue-400 transition-colors group">
-                <div class="flex items-center justify-between">
-                  <div class="flex items-center gap-4">
-                    <div class="p-3 bg-red-100 text-red-600 rounded-lg group-hover:scale-110 transition-transform">
-                      <svg class="w-8 h-8" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                          d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
-                      </svg>
-                    </div>
-                    <div>
-                      <div class="font-bold text-gray-900 dark:text-white mb-0.5">Attachment
-                        Available</div>
-                      <div class="text-xs text-gray-500 font-mono truncate max-w-[200px] md:max-w-md">
-                        {{ getFileName(selectedPost.attachedFile) }}
-                      </div>
-                    </div>
-                  </div>
-                  <button
-                    class="flex items-center gap-2 px-5 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-lg shadow-lg shadow-blue-500/30 transform hover:-translate-y-0.5 transition-all"
-                    @click="downloadFile(selectedPost)">
-                    <svg class="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                        d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
-                    </svg>
-                    Download
-                  </button>
-                </div>
-              </div>
-
-              <hr class="border-gray-100 dark:border-gray-800 mb-8">
-
-              <section>
-                <h3 class="text-xl font-bold mb-6 flex items-center gap-2">
-                  Comments
-                  <span
-                    class="bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 text-xs px-2 py-1 rounded-full">{{
-                      selectedPost.comments.length }}</span>
-                </h3>
-                <div class="space-y-3">
-                  <textarea v-model="newCommentContent" rows="3"
-                    class="w-full px-4 py-3 bg-gray-50 dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg focus:ring-2 focus:ring-blue-500 outline-none transition-all text-sm"
-                    placeholder="What are your thoughts?" />
-                  <div class="flex justify-end">
-                    <button :disabled="!newCommentContent.trim()"
-                      class="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white font-bold px-6 py-2 rounded-lg shadow transition-all active:scale-95"
-                      @click="submitComment">
-                      COMMENT
-                    </button>
-                  </div>
-                </div>
-
-                <div class="mt-8 space-y-6">
-                  <div v-if="selectedPost.comments.length === 0" class="text-center py-8 text-gray-400 italic">
-                    Be the first to comment!
-                  </div>
-
-                  <div v-for="comment in selectedPost.comments" :key="comment.id" class="flex gap-4">
-                    <div
-                      class="w-8 h-8 rounded-full bg-gradient-to-br from-gray-200 to-gray-300 dark:from-gray-700 dark:to-gray-600 flex-shrink-0" />
-                    <div class="flex-1">
-                      <div
-                        class="bg-gray-50 dark:bg-gray-800/50 p-4 rounded-xl rounded-tl-none border border-gray-100 dark:border-gray-800">
-                        <div class="flex items-center justify-between mb-2">
-                          <span class="font-bold text-sm text-blue-600 dark:text-blue-400">{{
-                            comment.author.name }}</span>
-                          <span class="text-[10px] text-gray-400 uppercase">{{ new
-                            Date(comment.created_at).toLocaleDateString() }}</span>
-                        </div>
-                        <p class="text-gray-700 dark:text-gray-300 text-sm leading-relaxed">
-                          {{ comment.content }}
-                        </p>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-              </section>
-            </div>
-          </article>
-        </div>
         <CreatePostModal :is-open="isModalOpen" :post-to-edit="postToEdit" :api="api" :token="token"
           @close="closeModal()" @refresh="handleRefresh" />
       </main>
@@ -470,8 +265,6 @@ const editTagName = ref('');
 
 const postToEdit = ref(null);
 
-const newCommentContent = ref('');
-
 const checkQueryForModal = () => {
   if (route.query.openCreatePostModal === 'true') {
     isModalOpen.value = true;
@@ -633,20 +426,6 @@ const handleRefresh = () => {
   window.scrollTo({ top: 0, behavior: 'smooth' })
 };
 
-const submitComment = () => {
-  if (!newCommentContent.value.trim()) return;
-
-  const comment = {
-    id: Date.now(),
-    content: newCommentContent.value,
-    author: { name: user.value?.name || "Guest" },
-    created_at: new Date().toISOString()
-  };
-
-  selectedPost.value.comments.unshift(comment);
-  newCommentContent.value = '';
-};
-
 const loadPosts = async () => {
   if (loading.value || !hasMore.value) return;
   loading.value = true;
@@ -724,31 +503,6 @@ const votePost = async (targetPost, direction) => {
   }
 };
 
-const getFileName = (fullPath) => {
-  if (!fullPath) return null;
-  return fullPath.split(/[/\\]/).pop();
-};
-
-const downloadFile = async (post) => {
-  if (!post.attachedFile) return;
-
-  const filename = getFileName(post.attachedFile);
-
-  const downloadUrl = `${api}/publications/download/${filename}`;
-
-  try {
-    const link = document.createElement('a');
-    link.href = downloadUrl;
-    link.setAttribute('download', filename);
-    document.body.appendChild(link);
-    link.click();
-    document.body.removeChild(link);
-  } catch (e) {
-    console.error("Download error:", e);
-    notifications.error("Could not download file.");
-  }
-};
-
 const filteredPosts = computed(() => {
   const result = posts.value.filter(p => {
     const matchesType = filterType.value === 'ALL' || p.type === filterType.value;
diff --git a/app/pages/profile/index.vue b/app/pages/profile/index.vue
index 97a4664..905d390 100644
--- a/app/pages/profile/index.vue
+++ b/app/pages/profile/index.vue
@@ -12,256 +12,13 @@
                 @click.self="selectedPost = null">
 
                 <div class="min-h-screen px-4 py-8 flex items-start justify-center">
-                    <Transition enter-active-class="transition duration-200 ease-out"
-                        enter-from-class="opacity-0 scale-95 translate-y-4"
-                        enter-to-class="opacity-100 scale-100 translate-y-0"
-                        leave-active-class="transition duration-150 ease-in"
-                        leave-from-class="opacity-100 scale-100 translate-y-0"
-                        leave-to-class="opacity-0 scale-95 translate-y-4">
+                    <div
+                        class="self-center w-full max-w-3xl bg-white dark:bg-gray-900 rounded-2xl shadow-2xl border dark:border-gray-800 relative">
 
-                        <div v-if="selectedPost"
-                            class="w-full max-w-4xl bg-white dark:bg-gray-900 rounded-2xl shadow-2xl border dark:border-gray-800"
-                            @click.stop>
+                        <PostDetail :post="selectedPost" :api="api" :token="token" @back="selectedPost = null"
+                            @comment-added="handleCommentAdded" />
 
-                            <div
-                                class="sticky top-0 z-10 flex justify-between items-center p-4 bg-white/95 dark:bg-gray-900/95 backdrop-blur-sm border-b dark:border-gray-800 rounded-t-2xl">
-                                <button
-                                    class="flex items-center gap-2 text-sm font-bold text-blue-600 dark:text-blue-400 hover:underline"
-                                    @click="selectedPost = null">
-                                    ← BACK TO FEED
-                                </button>
-
-                                <button
-                                    class="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
-                                    @click="selectedPost = null">
-                                    <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                                            d="M6 18L18 6M6 6l12 12" />
-                                    </svg>
-                                </button>
-                            </div>
-
-                            <article class="overflow-hidden">
-                                <div
-                                    class="relative bg-gradient-to-br from-slate-50 to-slate-100 dark:from-slate-800 dark:to-slate-900 p-8 border-b dark:border-gray-800">
-                                    <div
-                                        class="flex flex-col md:flex-row justify-between items-start md:items-center gap-4 mb-4">
-                                        <span
-                                            class="bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-300 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider shadow-sm border border-blue-200 dark:border-blue-800">
-                                            {{ selectedPost.type.replace('_', ' ') }}
-                                        </span>
-                                        <span
-                                            class="text-sm font-medium text-gray-500 dark:text-gray-400 flex items-center gap-2">
-                                            <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                                                    d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
-                                            </svg>
-                                            {{ new Date(selectedPost.publicationDate ||
-                                                selectedPost.publication_date).toLocaleDateString('en-US', {
-                                                    year: 'numeric', month: 'long', day: 'numeric'
-                                                }) }}
-                                        </span>
-                                    </div>
-
-                                    <h1
-                                        class="text-3xl md:text-4xl font-extrabold text-gray-900 dark:text-white mb-6 leading-tight">
-                                        {{ selectedPost.title }}
-                                    </h1>
-
-                                    <div
-                                        class="grid grid-cols-1 md:grid-cols-2 gap-6 p-4 bg-white/50 dark:bg-gray-800/50 rounded-xl border border-gray-200 dark:border-gray-700 backdrop-blur-sm">
-                                        <div>
-                                            <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">
-                                                Authors</h4>
-                                            <div class="flex flex-wrap gap-2">
-                                                <span v-for="(author, idx) in selectedPost.authors" :key="idx"
-                                                    class="inline-flex items-center gap-1.5 text-sm font-semibold text-gray-700 dark:text-gray-200">
-                                                    <span
-                                                        class="w-6 h-6 rounded-full bg-indigo-100 text-indigo-600 dark:bg-indigo-900 dark:text-indigo-300 flex items-center justify-center text-xs">
-                                                        {{ author.charAt(0) }}
-                                                    </span>
-                                                    {{ author }}
-                                                </span>
-                                            </div>
-                                        </div>
-
-                                        <div v-if="selectedPost.submitter">
-                                            <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">
-                                                Submitted By</h4>
-                                            <div class="flex items-center gap-3">
-                                                <div
-                                                    class="w-8 h-8 rounded-full bg-blue-600 text-white flex items-center justify-center font-bold text-xs">
-                                                    {{ selectedPost.submitter.name.charAt(0) }}
-                                                </div>
-                                                <div>
-                                                    <div class="text-sm font-bold text-gray-900 dark:text-white">{{
-                                                        selectedPost.submitter.name }}</div>
-                                                    <div class="text-xs text-gray-500">{{ selectedPost.submitter.role }}
-                                                        • {{ selectedPost.submitter.email }}</div>
-                                                </div>
-                                            </div>
-                                        </div>
-                                    </div>
-                                </div>
-
-                                <div class="p-8 max-h-[60vh] overflow-y-auto">
-                                    <div class="mb-10">
-                                        <h3
-                                            class="text-lg font-bold text-gray-900 dark:text-white mb-4 flex items-center gap-2">
-                                            <svg class="w-5 h-5 text-blue-500" fill="none" viewBox="0 0 24 24"
-                                                stroke="currentColor">
-                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                                                    d="M4 6h16M4 12h16M4 18h7" />
-                                            </svg>
-                                            Abstract
-                                        </h3>
-                                        <p
-                                            class="text-gray-700 dark:text-gray-300 leading-relaxed text-lg text-justify whitespace-pre-line">
-                                            {{ selectedPost.abstractText || selectedPost.abstract }}
-                                        </p>
-                                    </div>
-
-                                    <div
-                                        class="flex flex-col md:flex-row justify-between items-start md:items-center gap-6 mb-8 pb-8 border-b dark:border-gray-800">
-                                        <div v-if="selectedPost.tags && selectedPost.tags.length > 0">
-                                            <h4 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-2">
-                                                Tags</h4>
-                                            <div class="flex flex-wrap gap-2">
-                                                <span v-for="tag in selectedPost.tags" :key="tag.id"
-                                                    class="px-3 py-1 rounded-lg bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 text-sm font-medium border border-gray-200 dark:border-gray-700">
-                                                    #{{ tag.name }}
-                                                </span>
-                                            </div>
-                                        </div>
-                                        <div v-else class="text-sm text-gray-400 italic">No tags assigned</div>
-
-                                        <div class="flex items-center gap-4">
-                                            <div
-                                                class="flex items-center bg-slate-100 dark:bg-slate-800 rounded-xl border border-slate-200 dark:border-slate-700 p-1.5 shadow-sm">
-                                                <button class="p-2 rounded-lg transition-all active:scale-90"
-                                                    :class="selectedPost.my_vote === 'UP' ? 'text-orange-600 bg-orange-100 dark:bg-orange-900/30' : 'text-slate-400 hover:text-orange-500 hover:bg-white dark:hover:bg-slate-700'"
-                                                    title="Upvote" @click.stop="votePost(selectedPost, 1)">
-                                                    <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24"
-                                                        stroke="currentColor" stroke-width="2.5">
-                                                        <path stroke-linecap="round" stroke-linejoin="round"
-                                                            d="M5 15l7-7 7 7" />
-                                                    </svg>
-                                                </button>
-                                                <div class="min-w-[40px] text-center">
-                                                    <span class="text-2xl font-black tracking-tight" :class="{
-                                                        'text-orange-600': selectedPost.my_vote === 'UP',
-                                                        'text-blue-600': selectedPost.my_vote === 'DOWN',
-                                                        'text-slate-900 dark:text-white': !selectedPost.my_vote || selectedPost.my_vote === 'NONE'
-                                                    }">
-                                                        {{ selectedPost.rating }}
-                                                    </span>
-                                                </div>
-                                                <button class="p-2 rounded-lg transition-all active:scale-90"
-                                                    :class="selectedPost.my_vote === 'DOWN' ? 'text-blue-600 bg-blue-100 dark:bg-blue-900/30' : 'text-slate-400 hover:text-blue-500 hover:bg-white dark:hover:bg-slate-700'"
-                                                    title="Downvote" @click.stop="votePost(selectedPost, -1)">
-                                                    <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24"
-                                                        stroke="currentColor" stroke-width="2.5">
-                                                        <path stroke-linecap="round" stroke-linejoin="round"
-                                                            d="M19 9l-7 7-7-7" />
-                                                    </svg>
-                                                </button>
-                                            </div>
-                                        </div>
-                                    </div>
-
-                                    <div v-if="selectedPost.attachedFile || selectedPost.attached_file"
-                                        class="mb-10 bg-slate-50 dark:bg-slate-800/50 border border-slate-200 dark:border-slate-700 rounded-xl p-5 hover:border-blue-400 transition-colors group">
-                                        <div class="flex items-center justify-between">
-                                            <div class="flex items-center gap-4">
-                                                <div
-                                                    class="p-3 bg-red-100 text-red-600 rounded-lg group-hover:scale-110 transition-transform">
-                                                    <svg class="w-8 h-8" fill="none" viewBox="0 0 24 24"
-                                                        stroke="currentColor">
-                                                        <path stroke-linecap="round" stroke-linejoin="round"
-                                                            stroke-width="2"
-                                                            d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
-                                                    </svg>
-                                                </div>
-                                                <div>
-                                                    <div class="font-bold text-gray-900 dark:text-white mb-0.5">
-                                                        Attachment Available</div>
-                                                    <div
-                                                        class="text-xs text-gray-500 font-mono truncate max-w-[200px] md:max-w-md">
-                                                        {{ getFileName(selectedPost.attachedFile ||
-                                                            selectedPost.attached_file) }}
-                                                    </div>
-                                                </div>
-                                            </div>
-                                            <button
-                                                class="flex items-center gap-2 px-5 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-lg shadow-lg shadow-blue-500/30 transform hover:-translate-y-0.5 transition-all"
-                                                @click.stop="downloadFile(selectedPost)">
-                                                <svg class="w-5 h-5" fill="none" viewBox="0 0 24 24"
-                                                    stroke="currentColor">
-                                                    <path stroke-linecap="round" stroke-linejoin="round"
-                                                        stroke-width="2"
-                                                        d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
-                                                </svg>
-                                                Download
-                                            </button>
-                                        </div>
-                                    </div>
-
-                                    <hr class="border-gray-100 dark:border-gray-800 mb-8">
-
-                                    <section>
-                                        <h3 class="text-xl font-bold mb-6 flex items-center gap-2">
-                                            Comments
-                                            <span
-                                                class="bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 text-xs px-2 py-1 rounded-full">
-                                                {{ selectedPost.comments?.length || 0 }}
-                                            </span>
-                                        </h3>
-                                        <div class="space-y-3">
-                                            <textarea v-model="newCommentContent" rows="3"
-                                                class="w-full px-4 py-3 bg-gray-50 dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg focus:ring-2 focus:ring-blue-500 outline-none transition-all text-sm"
-                                                placeholder="What are your thoughts?" />
-                                            <div class="flex justify-end">
-                                                <button :disabled="!newCommentContent.trim()"
-                                                    class="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white font-bold px-6 py-2 rounded-lg shadow transition-all active:scale-95"
-                                                    @click="submitComment">
-                                                    COMMENT
-                                                </button>
-                                            </div>
-                                        </div>
-
-                                        <div class="mt-8 space-y-6">
-                                            <div v-if="!selectedPost.comments || selectedPost.comments.length === 0"
-                                                class="text-center py-8 text-gray-400 italic">
-                                                Be the first to comment!
-                                            </div>
-
-                                            <div v-for="comment in selectedPost.comments" :key="comment.id"
-                                                class="flex gap-4">
-                                                <div
-                                                    class="w-8 h-8 rounded-full bg-gradient-to-br from-gray-200 to-gray-300 dark:from-gray-700 dark:to-gray-600 flex-shrink-0" />
-                                                <div class="flex-1">
-                                                    <div
-                                                        class="bg-gray-50 dark:bg-gray-800/50 p-4 rounded-xl rounded-tl-none border border-gray-100 dark:border-gray-800">
-                                                        <div class="flex items-center justify-between mb-2">
-                                                            <span
-                                                                class="font-bold text-sm text-blue-600 dark:text-blue-400">{{
-                                                                    comment.author.name }}</span>
-                                                            <span class="text-[10px] text-gray-400 uppercase">{{ new
-                                                                Date(comment.created_at).toLocaleDateString() }}</span>
-                                                        </div>
-                                                        <p
-                                                            class="text-gray-700 dark:text-gray-300 text-sm leading-relaxed">
-                                                            {{ comment.content }}
-                                                        </p>
-                                                    </div>
-                                                </div>
-                                            </div>
-                                        </div>
-                                    </section>
-                                </div>
-                            </article>
-                        </div>
-                    </Transition>
+                    </div>
                 </div>
             </div>
         </Transition>
@@ -419,15 +176,9 @@
                                 </div>
 
                                 <div v-for="post in userProfile.publications" :key="post.id"
-                                    :class="['relative group bg-white dark:bg-gray-900 border dark:border-gray-800 rounded-xl p-5 shadow-sm hover:border-blue-500/50 transition-all cursor-pointer mb-4 overflow-hidden', post.isHidden ? 'opacity-60 bg-gray-50' : 'bg-white']"
+                                    :class="['relative group bg-white dark:bg-gray-900 border dark:border-gray-800 rounded-xl p-5 shadow-sm hover:border-blue-500/50 transition-all cursor-pointer mb-4 overflow-hidden', post.hidden ? 'opacity-60 bg-gray-50' : 'bg-white']"
                                     @click="fetchPostDetail(post.id)">
 
-                                    <div v-if="post.attachedFile"
-                                        class="absolute right-1 bottom-5 opacity-50 group-hover:opacity-100 transition-opacity duration-300">
-                                        <img src="/f.png" alt="attachment"
-                                            class="w-32 h-32 transform rotate-[-45deg] pointer-events-none select-none">
-                                    </div>
-
                                     <div class="flex gap-4">
                                         <div
                                             class="flex flex-col items-center gap-1 text-gray-500 dark:text-gray-400 bg-gray-50 dark:bg-gray-800/50 p-2 rounded-lg h-fit">
@@ -450,7 +201,7 @@
                                                         year:
                                                             'numeric', month: 'long', day: 'numeric'
                                                     }) }}</span>
-                                                <button v-if="authStore.user.id == post.submitter.id"
+                                                <button
                                                     class="p-1 text-slate-400 hover:text-blue-600 hover:bg-blue-50 dark:hover:bg-blue-900/20 rounded-lg transition-all transform hover:scale-110 active:scale-95 cursor-pointer"
                                                     title="Edit" @click.stop="openEditModal(post)">
                                                     <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24"
@@ -461,9 +212,8 @@
                                                     </svg>
                                                 </button>
                                                 <button
-                                                    v-if="authStore.user.id == post.submitter.id || authStore.user.role != 'COLLABORATOR'"
                                                     class="p-1 text-slate-400 hover:text-amber-600 hover:bg-amber-50 dark:hover:bg-amber-900/20 rounded-lg transition-all transform hover:scale-110 active:scale-95 cursor-pointer"
-                                                    :title="post.isHidden ? 'Unhide' : 'Hide'"
+                                                    :title="post.hiddenidden ? 'Unhide' : 'Hide'"
                                                     @click.stop="toggleHide(post)">
                                                     <svg width="16px" height="16px" viewBox="0 0 16 16"
                                                         xmlns="http://www.w3.org/2000/svg" fill="currentColor">
@@ -472,7 +222,7 @@
                                                         <path
                                                             d="M8 5.5a2.5 2.5 0 1 0 0 5 2.5 2.5 0 0 0 0-5zM4.5 8a3.5 3.5 0 1 1 7 0 3.5 3.5 0 0 1-7 0z" />
 
-                                                        <line v-if="post.isHidden" x1="3" y1="3" x2="13" y2="13"
+                                                        <line v-if="post.hidden" x1="3" y1="3" x2="13" y2="13"
                                                             stroke="currentColor" stroke-width="1.5"
                                                             stroke-linecap="round" />
                                                     </svg>
@@ -507,42 +257,54 @@
                             <div
                                 class="bg-white dark:bg-slate-900 rounded-xl shadow-sm border border-slate-200 dark:border-slate-800 overflow-hidden">
                                 <div v-for="item in activityLog" :key="item.id"
-                                    class="p-4 flex gap-4 border-b border-slate-100 dark:border-slate-800 last:border-0 hover:bg-slate-50 dark:hover:bg-slate-800/50 transition-colors">
+                                    class="group p-4 flex gap-5 border-b border-slate-100 dark:border-slate-800 last:border-0 hover:bg-slate-50/80 dark:hover:bg-slate-800/30 transition-all duration-200">
 
-                                    <div class="flex flex-col items-center min-w-[80px] text-center pt-1">
-                                        <span class="text-xs font-bold text-slate-500 uppercase">
+                                    <div
+                                        class="flex flex-col items-end min-w-[90px] pt-1 border-r border-slate-100 dark:border-slate-800 pr-4">
+                                        <span
+                                            class="text-[11px] font-semibold text-slate-600 dark:text-slate-400 tabular-nums">
                                             {{ new Date(item.timestamp).toLocaleDateString('en-US', {
                                                 month: 'short',
-                                                day: 'numeric'
-                                            }) }}
+                                            day: 'numeric', year: 'numeric' }) }}
                                         </span>
-                                        <span class="text-[10px] text-slate-400">
+                                        <span class="text-[10px] text-slate-400 tabular-nums mt-0.5">
                                             {{ new Date(item.timestamp).toLocaleTimeString([], {
                                                 hour: '2-digit',
-                                                minute: '2-digit'
-                                            }) }}
+                                            minute: '2-digit' }) }}
                                         </span>
                                     </div>
 
                                     <div class="flex-1">
-                                        <div class="flex items-center gap-2 mb-1">
+                                        <div class="flex items-center gap-3 mb-1.5">
                                             <span
-                                                class="px-2 py-0.5 rounded text-[10px] font-bold uppercase tracking-wide"
+                                                class="px-2 py-0.5 rounded-full text-[10px] font-bold tracking-tight border"
                                                 :class="{
-                                                    'bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400': item.action.includes('UPLOAD'),
-                                                    'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400': item.action.includes('COMMENT'),
-                                                    'bg-amber-100 text-amber-700 dark:bg-amber-900/30 dark:text-amber-400': item.action.includes('RATED') || item.action.includes('CORRECT'),
-                                                    'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400': item.action.includes('TAG')
+                                                    'bg-emerald-50 text-emerald-700 border-emerald-100 dark:bg-emerald-500/10 dark:text-emerald-400 dark:border-emerald-500/20': item.actionType.includes('UPLOAD'),
+                                                    'bg-blue-50 text-blue-700 border-blue-100 dark:bg-blue-500/10 dark:text-blue-400 dark:border-blue-500/20': item.actionType.includes('COMMENT'),
+                                                    'bg-indigo-50 text-indigo-700 border-indigo-100 dark:bg-indigo-500/10 dark:text-indigo-400 dark:border-indigo-500/20': item.actionType.includes('EDIT'),
+                                                    'bg-amber-50 text-amber-700 border-amber-100 dark:bg-amber-500/10 dark:text-amber-400 dark:border-amber-500/20': item.actionType.includes('RATED') || item.actionType.includes('CORRECT'),
+                                                    'bg-purple-50 text-purple-700 border-purple-100 dark:bg-purple-500/10 dark:text-purple-400 dark:border-purple-500/20': item.actionType.includes('TAG')
                                                 }">
-                                                {{ item.action.replace('_', ' ') }}
+                                                {{ item.actionType.replace('_', ' ') }}
+                                            </span>
+
+                                            <span class="text-[11px] text-slate-400 font-medium">
+                                                {{ item.targetType }} #{{ item.targetId }}
                                             </span>
-                                            <span class="text-xs text-slate-400 font-medium">{{ item.target_type }} #{{
-                                                item.target_id }}</span>
                                         </div>
-                                        <p class="text-sm text-slate-700 dark:text-slate-300">
-                                            {{ item.details }}
+
+                                        <p class="text-sm text-slate-600 dark:text-slate-300 leading-relaxed">
+                                            {{ item.description }}
                                         </p>
                                     </div>
+
+                                    <div class="flex items-center opacity-0 group-hover:opacity-100 transition-opacity">
+                                        <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 text-slate-300"
+                                            fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                                d="9 5l7 7-7 7" />
+                                        </svg>
+                                    </div>
                                 </div>
                             </div>
                         </div>
@@ -618,7 +380,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, watch } from 'vue';
+import { ref, computed, onMounted } from 'vue';
 import { useRouter } from 'vue-router';
 import { useAuthStore } from "~/stores/auth-store.js";
 import { storeToRefs } from "pinia";
@@ -635,7 +397,6 @@ const isModalOpen = ref(false);
 const postToEdit = ref(null);
 
 const selectedPost = ref(null);
-const newCommentContent = ref('');
 
 const newUsername = ref('');
 const newEmail = ref('');
@@ -657,15 +418,15 @@ const userProfile = ref({
 
 const toggleHide = async (post) => {
     try {
-        const newState = !post.isHidden;
+        const newState = !post.hidden;
 
-        await $fetch(`${api}/publications/${post.id}`, {
+        await $fetch(`${api}/publications/${post.id}/hide`, {
             method: 'PATCH',
             headers: { Authorization: `Bearer ${token.value}` },
-            body: { isHidden: newState }
+            body: { is_hidden: newState }
         });
 
-        post.isHidden = newState;
+        post.hidden = newState;
         notifications.success(`Post ${newState ? 'hidden' : 'restored'}`);
 
     } catch (err) {
@@ -706,20 +467,15 @@ const downloadFile = async (post) => {
 };
 
 const fetchPostDetail = async (id) => {
-    loading.value = true;
     try {
         const postDetail = await $fetch(`${api}/publications/${id}`, {
             headers: { Authorization: `Bearer ${token.value}` }
         });
-
         selectedPost.value = postDetail;
-
-        window.scrollTo({ top: 0, behavior: 'smooth' });
-
+        document.body.style.overflow = 'hidden';
     } catch (err) {
-        console.error("Failed to fetch post detail:", err);
-    } finally {
-        loading.value = false;
+        notifications.error("Failed to load publication details");
+        console.error(err);
     }
 };
 
@@ -731,7 +487,7 @@ async function fetchActivityHistory() {
     if (!token.value) return;
 
     try {
-        const data = await $fetch(`${api}/me/history`, {
+        const data = await $fetch(`${api}/users/me/history`, {
             method: 'GET',
             headers: { Authorization: `Bearer ${token.value}` }
         });
@@ -870,6 +626,10 @@ const openResetPassword = () => {
     router.push({ path: '/profile/update-password' });
 };
 
+watch(selectedPost, (newVal) => {
+    if (!newVal) document.body.style.overflow = 'auto';
+});
+
 onMounted(() => {
     fetchProfileData();
     fetchActivityHistory();