diff --git a/.gitignore b/.gitignore
index 98b3e2a..3ec8cfc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ Packs_DB
 nonpacks/staticfiles/
 nonpacks/media/
 *.log
+AGENTS/
diff --git a/nonpacks/library/migrations/0006_version_mods_manifest_version_pack_description_and_more.py b/nonpacks/library/migrations/0006_version_mods_manifest_version_pack_description_and_more.py
new file mode 100644
index 0000000..b43c943
--- /dev/null
+++ b/nonpacks/library/migrations/0006_version_mods_manifest_version_pack_description_and_more.py
@@ -0,0 +1,28 @@
+# Generated by Django 6.0.3 on 2026-08-04 04:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0005_remove_version_file_versionfile'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='version',
+            name='mods_manifest',
+            field=models.JSONField(blank=True, default=dict),
+        ),
+        migrations.AddField(
+            model_name='version',
+            name='pack_description',
+            field=models.TextField(blank=True, default=''),
+        ),
+        migrations.AddField(
+            model_name='version',
+            name='pack_format',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+    ]
diff --git a/nonpacks/library/models.py b/nonpacks/library/models.py
index cf87d3a..c70fe78 100644
--- a/nonpacks/library/models.py
+++ b/nonpacks/library/models.py
@@ -206,6 +206,9 @@ class Version(models.Model):
     version_name = models.CharField(max_length=64)
     changelog = models.TextField(blank=True, default='')
     downloads = models.PositiveIntegerField(default=0)
+    pack_format = models.IntegerField(null=True, blank=True)
+    pack_description = models.TextField(blank=True, default='')
+    mods_manifest = models.JSONField(default=dict, blank=True)
     created_at = models.DateTimeField(auto_now_add=True)
 
     class Meta:
diff --git a/nonpacks/library/tests.py b/nonpacks/library/tests.py
index 068f986..06ebc19 100644
--- a/nonpacks/library/tests.py
+++ b/nonpacks/library/tests.py
@@ -1,7 +1,10 @@
 import io
+import json
+import os
 import secrets
 import shutil
 import tempfile
+import zipfile
 
 from django.contrib.auth import get_user_model
 from django.core.files.uploadedfile import SimpleUploadedFile
@@ -964,3 +967,178 @@ class UGCApiTests(UGCMediaTestCase, UGCGatedTestCase):
         resp = self.client.get(reverse('library:api_users_autocomplete'), {'q': 'Ali'})
         self.assertEqual(resp.status_code, 200)
         self.assertJSONEqual(resp.content, [{'username': 'Alice'}])
+
+
+def _zip_bytes(entries):
+    buf = io.BytesIO()
+    with zipfile.ZipFile(buf, 'w') as zf:
+        for name, content in entries.items():
+            zf.writestr(name, content)
+    return buf.getvalue()
+
+
+def _pack_zip():
+    return _zip_bytes({
+        'pack.mcmeta': json.dumps({
+            'pack': {'pack_format': 64, 'description': 'A test pack'},
+            'animationframework': {'id': 'jakebreath:test'},
+        }),
+    })
+
+
+class UGCZipParsingTests(TestCase):
+    def _write_zip(self, data, suffix='.zip'):
+        with tempfile.NamedTemporaryFile(suffix=suffix, delete=False) as f:
+            f.write(data)
+        return f.name
+
+    def test_read_pack_mcmeta(self):
+        from library.zips import read_pack_mcmeta
+        path = self._write_zip(_pack_zip())
+        try:
+            fmt, desc = read_pack_mcmeta(path)
+        finally:
+            os.unlink(path)
+        self.assertEqual(fmt, 64)
+        self.assertEqual(desc, 'A test pack')
+
+    def test_read_pack_mcmeta_missing(self):
+        from library.zips import read_pack_mcmeta
+        path = self._write_zip(_zip_bytes({'assets/x.txt': 'x'}))
+        try:
+            fmt, desc = read_pack_mcmeta(path)
+        finally:
+            os.unlink(path)
+        self.assertIsNone(fmt)
+        self.assertEqual(desc, '')
+
+    def test_parse_mods_folder(self):
+        from library.zips import parse_mods_manifest
+        path = self._write_zip(_zip_bytes({
+            'minecraft/mods/a.jar': 'x', 'minecraft/mods/b.jar': 'y',
+            'pack.mcmeta': '{}',
+        }))
+        try:
+            manifest = parse_mods_manifest(path, 'pack.zip')
+        finally:
+            os.unlink(path)
+        self.assertEqual(manifest['source'], 'folder')
+        self.assertEqual([m['name'] for m in manifest['files']], ['a.jar', 'b.jar'])
+
+    def test_parse_mods_mrpack(self):
+        from library.zips import parse_mods_manifest
+        path = self._write_zip(_zip_bytes({
+            'modrinth.index.json': json.dumps({
+                'dependencies': [
+                    {'project_id': 'abc', 'file_name': 'mod-a.jar', 'dependency_type': 'required'},
+                ],
+            }),
+        }), suffix='.mrpack')
+        try:
+            manifest = parse_mods_manifest(path, 'pack.mrpack')
+        finally:
+            os.unlink(path)
+        self.assertEqual(manifest['source'], 'modrinth')
+        self.assertEqual(manifest['files'][0]['name'], 'mod-a.jar')
+
+    def test_parse_mods_curseforge(self):
+        from library.zips import parse_mods_manifest
+        path = self._write_zip(_zip_bytes({
+            'manifest.json': json.dumps({
+                'files': [{'projectID': 123, 'fileID': 456, 'fileName': 'cool-mod.jar'}],
+            }),
+        }))
+        try:
+            manifest = parse_mods_manifest(path, 'pack.zip')
+        finally:
+            os.unlink(path)
+        self.assertEqual(manifest['source'], 'curseforge')
+        self.assertEqual(manifest['files'][0]['name'], 'cool-mod.jar')
+
+
+class UGCCategoryTests(UGCMediaTestCase, UGCGatedTestCase):
+    def setUp(self):
+        User = get_user_model()
+        self.alice = User.objects.create_user(username='Alice', password='pw')
+        UserProfile.objects.get_or_create(user=self.alice)
+
+    def _upload_version(self, name, content, content_type='application/zip'):
+        self.gate()
+        self.client.login(username='Alice', password='pw')
+        resp = self.client.post(
+            reverse('library:api_upload_temp'),
+            {'kind': 'version', 'file': SimpleUploadedFile(name, content, content_type=content_type)},
+            HTTP_X_REQUESTED_WITH='XMLHttpRequest',
+        )
+        self.assertEqual(resp.status_code, 200)
+
+    def _upload_version_form(self, version_name='1.0.0'):
+        resp = self.client.post(
+            reverse('library:version_upload', args=[self.project.slug]),
+            {'version_name': version_name},
+        )
+        self.assertRedirects(resp, reverse('library:project_detail', args=[self.project.slug]))
+
+    def test_non_pack_captures_pack_mcmeta(self):
+        self.project = Project.objects.create(
+            slug='non-pack', title='NoN Pack', category='non_pack', owner=self.alice,
+        )
+        self._upload_version('pack.zip', _pack_zip())
+        self._upload_version_form()
+        version = self.project.versions.first()
+        self.assertEqual(version.pack_format, 64)
+        self.assertEqual(version.pack_description, 'A test pack')
+
+    def test_modpack_captures_mods_manifest(self):
+        self.project = Project.objects.create(
+            slug='modpack', title='Modpack', category='modpack', owner=self.alice,
+        )
+        self._upload_version('pack.zip', _zip_bytes({'minecraft/mods/a.jar': 'x'}))
+        self._upload_version_form()
+        version = self.project.versions.first()
+        self.assertEqual(version.mods_manifest['source'], 'folder')
+        self.assertEqual(version.mods_manifest['files'][0]['name'], 'a.jar')
+
+    def test_guide_uploads_md_and_zip_and_renders(self):
+        self.project = Project.objects.create(
+            slug='guide', title='Guide', category='guide', owner=self.alice,
+        )
+        self._upload_version('README.md', b'# Title\n\nBody text.', content_type='text/markdown')
+        self._upload_version('assets.zip', _zip_bytes({'data/x.json': '{}'}))
+        self._upload_version_form()
+        version = self.project.versions.first()
+        self.assertEqual(
+            set(version.files.values_list('kind', flat=True)), {'markdown', 'release'}
+        )
+        md_vf = version.files.get(kind='markdown')
+        # guide_doc endpoint renders the markdown server-side.
+        self.gate()
+        resp = self.client.get(reverse('library:guide_doc', args=['guide', version.pk, md_vf.file.uuid]))
+        self.assertEqual(resp.status_code, 200)
+        self.assertContains(resp, '<h1>Title</h1>', html=True)
+        # Detail page exposes the guide switcher.
+        resp = self.client.get(reverse('library:project_detail', args=['guide']))
+        self.assertContains(resp, 'guide-switcher')
+        self.assertContains(resp, 'README.md')
+
+    def test_guide_doc_rejects_non_markdown(self):
+        self.project = Project.objects.create(
+            slug='guide', title='Guide', category='guide', owner=self.alice,
+        )
+        self._upload_version('pack.zip', _zip_bytes({'data/x.json': '{}'}))
+        self._upload_version_form()
+        version = self.project.versions.first()
+        vf = version.files.get(kind='release')
+        self.gate()
+        resp = self.client.get(reverse('library:guide_doc', args=['guide', version.pk, vf.file.uuid]))
+        self.assertEqual(resp.status_code, 404)
+
+    def test_regular_category_has_no_extra_metadata(self):
+        self.project = Project.objects.create(
+            slug='mod', title='Mod', category='mod', owner=self.alice,
+        )
+        self._upload_version('pack.zip', _pack_zip())
+        self._upload_version_form()
+        version = self.project.versions.first()
+        self.assertIsNone(version.pack_format)
+        self.assertEqual(version.mods_manifest, {})
diff --git a/nonpacks/library/urls.py b/nonpacks/library/urls.py
index 0705fba..d28e5af 100644
--- a/nonpacks/library/urls.py
+++ b/nonpacks/library/urls.py
@@ -13,6 +13,7 @@ urlpatterns = [
     path('packs/<slug:slug>/versions/upload/', views.version_upload, name='version_upload'),
     path('packs/<slug:slug>/versions/<int:version_id>/download/', views.version_download, name='version_download'),
     path('packs/<slug:slug>/versions/<int:version_id>/files/<uuid:file_uuid>/download/', views.version_file_download, name='version_file_download'),
+    path('packs/<slug:slug>/guide/<int:version_id>/<uuid:file_uuid>/', views.guide_doc, name='guide_doc'),
     path('packs/<slug:slug>/gallery/upload/', views.asset_upload, name='asset_upload'),
     path('packs/<slug:slug>/gallery/<int:asset_id>/delete/', views.asset_delete, name='asset_delete'),
     path('packs/<slug:slug>/contributors/', views.contributors, name='contributors'),
diff --git a/nonpacks/library/views.py b/nonpacks/library/views.py
index d9c8170..42fa4e2 100644
--- a/nonpacks/library/views.py
+++ b/nonpacks/library/views.py
@@ -13,6 +13,7 @@ from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils.text import slugify
 
+from common.markdown import render_markdown
 from .forms import ContributorForm, ProjectForm, VersionForm
 from .models import (
     FileIndex,
@@ -29,6 +30,7 @@ from .models import (
     slugify_tag,
 )
 from .storage import delete_file_index, move_file_index, store_temp_file
+from .zips import parse_mods_manifest, read_pack_mcmeta
 
 
 def _open_indexed_file(file_index):
@@ -312,16 +314,43 @@ def project_detail(request, slug):
     assets = project.assets.select_related('file').all()
     tags = project.tag_links.select_related('tag__category').all()
     can_edit = project.can_edit(request.user)
+
+    guide_docs = []
+    if project.category == 'guide':
+        latest = versions.first()
+        if latest is not None:
+            guide_docs = [vf for vf in latest.files.all() if vf.is_markdown]
+
     context = {
         'project': project,
         'versions': versions,
         'assets': assets,
         'tags': tags,
         'can_edit': can_edit,
+        'guide_docs': guide_docs,
     }
     return render(request, 'library/project_detail.html', context)
 
 
+def guide_doc(request, slug, version_id, file_uuid):
+    """Render one markdown guide document server-side (used by the switcher)."""
+    version = get_object_or_404(
+        Version.objects.select_related('project'),
+        pk=version_id, project__slug=slug,
+    )
+    vf = get_object_or_404(
+        version.files.select_related('file'), file__uuid=file_uuid,
+    )
+    if not vf.is_markdown:
+        raise Http404
+    fh = _open_indexed_file(vf.file)
+    try:
+        text = fh.read().decode('utf-8', 'replace')
+    finally:
+        fh.close()
+    return HttpResponse(render_markdown(text), content_type='text/html; charset=utf-8')
+
+
 DRAFT_KEYS = (
     'title', 'summary', 'category', 'description',
     'tags', 'version_name', 'changelog',
@@ -376,13 +405,23 @@ def _classify_version_file(file_index, category):
     return 'release'
 
 
+def _stored_path(file_index):
+    """Resolve an indexed file's stored_path to an absolute filesystem path."""
+    return Path(settings.MEDIA_ROOT) / file_index.stored_path
+
+
 def _finalize_version(project, version_name, changelog, temp_uploads):
-    """Adopt pending 'version' temp uploads into a new Version as VersionFiles."""
+    """Adopt pending 'version' temp uploads into a new Version as VersionFiles,
+    capturing category-specific metadata (pack.mcmeta / mods manifest)."""
     version = Version.objects.create(
         project=project,
         version_name=version_name,
         changelog=changelog,
     )
+    pack_format = None
+    pack_description = ''
+    mods_manifest = {}
+
     for temp in temp_uploads:
         index = _adopt_temp(temp, project.pk, 'versions', 'version')
         VersionFile.objects.create(
@@ -392,6 +431,28 @@ def _finalize_version(project, version_name, changelog, temp_uploads):
         )
         temp.status = 'used'
         temp.save(update_fields=['status'])
+
+        is_zip = (index.original_filename or '').lower().endswith('.zip')
+        if project.category == 'non_pack' and is_zip and pack_format is None:
+            fmt, desc = read_pack_mcmeta(_stored_path(index))
+            if fmt is not None:
+                pack_format = fmt
+                pack_description = desc
+        elif project.category == 'modpack' and is_zip and not mods_manifest:
+            manifest = parse_mods_manifest(_stored_path(index), index.original_filename)
+            if manifest.get('files'):
+                mods_manifest = manifest
+
+    update_fields = []
+    if pack_format is not None:
+        version.pack_format = pack_format
+        version.pack_description = pack_description
+        update_fields += ['pack_format', 'pack_description']
+    if mods_manifest:
+        version.mods_manifest = mods_manifest
+        update_fields.append('mods_manifest')
+    if update_fields:
+        version.save(update_fields=update_fields)
     return version
 
 
diff --git a/nonpacks/library/zips.py b/nonpacks/library/zips.py
new file mode 100644
index 0000000..e9ae3d8
--- /dev/null
+++ b/nonpacks/library/zips.py
@@ -0,0 +1,100 @@
+"""Zip introspection helpers for category-specific version metadata.
+
+Parsed once at upload time and stored on the Version row, so the detail page
+never re-reads large archives. All functions take the on-disk path of an
+adopted file (under MEDIA_ROOT) and return plain dicts/values.
+"""
+
+import json
+import zipfile
+
+
+def _open_zip(path):
+    """Return a ZipFile for the path (None when it's not a zip)."""
+    try:
+        return zipfile.ZipFile(path)
+    except (zipfile.BadZipFile, OSError):
+        return None
+
+
+def read_pack_mcmeta(path):
+    """Extract the NoN-relevant data from a datapack's pack.mcmeta.
+
+    Returns (pack_format, description) or (None, '').
+    """
+    zf = _open_zip(path)
+    if zf is None:
+        return None, ''
+    try:
+        try:
+            data = json.loads(zf.read('pack.mcmeta').decode('utf-8', 'replace'))
+        except (KeyError, json.JSONDecodeError):
+            return None, ''
+        pack = data.get('pack') or {}
+        try:
+            pack_format = int(pack.get('pack_format'))
+        except (TypeError, ValueError):
+            pack_format = None
+        description = pack.get('description', '') or ''
+        if isinstance(description, (dict, list)):
+            description = json.dumps(description)
+        return pack_format, str(description)
+    finally:
+        zf.close()
+
+
+def parse_mods_manifest(path, filename=''):
+    """Inspect a modpack archive and build a manifest for the Mods tab.
+
+    - Modrinth .mrpack: modrinth.index.json → dependencies
+    - Curseforge modpack: manifest.json → files array
+    - Classic folder layout: minecraft/mods/*.jar
+    Returns a dict: {source, files: [...]}.
+    """
+    zf = _open_zip(path)
+    if zf is None:
+        return {'source': 'unknown', 'files': []}
+
+    try:
+        names = set(zf.namelist())
+
+        if filename.lower().endswith('.mrpack') or 'modrinth.index.json' in names:
+            try:
+                index = json.loads(zf.read('modrinth.index.json').decode('utf-8', 'replace'))
+            except (KeyError, json.JSONDecodeError):
+                index = {}
+            deps = []
+            for dep in index.get('dependencies') or []:
+                deps.append({
+                    'name': dep.get('file_name') or dep.get('project_id', 'unknown'),
+                    'version_id': dep.get('version_id'),
+                    'type': dep.get('dependency_type', ''),
+                })
+            return {'source': 'modrinth', 'files': deps}
+
+        if 'manifest.json' in names:
+            try:
+                manifest = json.loads(zf.read('manifest.json').decode('utf-8', 'replace'))
+            except (KeyError, json.JSONDecodeError):
+                manifest = {}
+            files = []
+            for entry in manifest.get('files') or []:
+                files.append({
+                    'name': entry.get('fileName', entry.get('projectID', 'unknown')),
+                    'project_id': entry.get('projectID'),
+                    'file_id': entry.get('fileID'),
+                })
+            if files:
+                return {'source': 'curseforge', 'files': files}
+
+        mods = []
+        prefix = 'minecraft/mods/'
+        for name in sorted(names):
+            if name.startswith(prefix) and not name.endswith('/'):
+                mods.append({'name': name[len(prefix):]})
+        if mods:
+            return {'source': 'folder', 'files': mods}
+
+        return {'source': 'unknown', 'files': []}
+    finally:
+        zf.close()
diff --git a/nonpacks/static/css/style.css b/nonpacks/static/css/style.css
index fb895bc..ead99f1 100644
--- a/nonpacks/static/css/style.css
+++ b/nonpacks/static/css/style.css
@@ -2773,3 +2773,89 @@ a.deletelink {
 .file-caption::placeholder {
     color: rgba(255, 255, 255, 0.7);
 }
+
+/* ========== Category-specific (Phase 2) ========== */
+.pack-format-badge {
+    display: inline-block;
+    margin-left: 8px;
+    padding: 1px 8px;
+    border-radius: 999px;
+    background: var(--md-sys-color-primary);
+    color: var(--md-sys-color-on-primary);
+    font-size: 0.7rem;
+    font-weight: 600;
+}
+.pack-description {
+    margin: 6px 0 0;
+    font-size: 0.85rem;
+    color: var(--md-sys-color-on-surface-variant);
+}
+
+/* Guide switcher */
+.guide-switcher {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+    margin-bottom: 16px;
+    border-bottom: 1px solid var(--md-sys-color-outline);
+    padding-bottom: 10px;
+}
+.guide-switch-btn {
+    background: none;
+    border: 1px solid var(--md-sys-color-outline);
+    border-radius: 999px;
+    color: var(--md-sys-color-on-surface-variant);
+    padding: 5px 12px;
+    font-size: 0.8rem;
+    cursor: pointer;
+}
+.guide-switch-btn:hover {
+    color: var(--md-sys-color-primary);
+    border-color: var(--md-sys-color-primary);
+}
+.guide-switch-btn.active {
+    background: var(--md-sys-color-primary);
+    border-color: var(--md-sys-color-primary);
+    color: var(--md-sys-color-on-primary);
+}
+.guide-content {
+    max-height: 70vh;
+    overflow-y: auto;
+}
+
+/* Mods tab */
+.mods-version {
+    margin-bottom: 16px;
+    padding-bottom: 12px;
+    border-bottom: 1px solid var(--md-sys-color-outline-variant);
+}
+.mods-version h3 {
+    margin: 0 0 8px;
+    font-size: 0.95rem;
+}
+.mods-source-badge {
+    display: inline-block;
+    margin-left: 8px;
+    padding: 1px 8px;
+    border-radius: 999px;
+    background: var(--md-sys-color-surface-variant);
+    color: var(--md-sys-color-on-surface-variant);
+    font-size: 0.7rem;
+}
+.mods-list {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+    gap: 6px;
+}
+.mods-list li {
+    font-size: 0.8rem;
+    padding: 4px 8px;
+    border-radius: 6px;
+    background: var(--md-sys-color-surface-variant);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
diff --git a/nonpacks/templates/library/project_create.html b/nonpacks/templates/library/project_create.html
index 06231a3..a91b099 100644
--- a/nonpacks/templates/library/project_create.html
+++ b/nonpacks/templates/library/project_create.html
@@ -27,11 +27,11 @@
                 <label for="{{ project_form.category.id_for_label }}">Category</label>
                 {{ project_form.category }}
             </div>
-            <div class="form-group">
+            <div class="form-group" id="description-group">
                 {{ project_form.description.errors }}
                 <label for="{{ project_form.description.id_for_label }}">Description</label>
                 {{ project_form.description }}
-                <p class="bio-help"><i class="fas fa-info-circle"></i> Supports Markdown — headings, lists, links, code, tables and more.</p>
+                <p class="bio-help"><i class="fas fa-info-circle"></i> Supports Markdown — headings, lists, links, code, tables and more. Guides don't use this field.</p>
             </div>
         </section>
 
@@ -116,4 +116,14 @@
 <script src="{% static 'js/tags.js' %}"></script>
 <script src="{% static 'js/uploads.js' %}"></script>
 <script src="{% static 'js/create.js' %}"></script>
+<script>
+(function () {
+    const cat = document.getElementById('id_category');
+    const group = document.getElementById('description-group');
+    if (!cat || !group) return;
+    function toggle() { group.style.display = cat.value === 'guide' ? 'none' : ''; }
+    cat.addEventListener('change', toggle);
+    toggle();
+})();
+</script>
 {% endblock %}
diff --git a/nonpacks/templates/library/project_detail.html b/nonpacks/templates/library/project_detail.html
index dff63b0..35f9617 100644
--- a/nonpacks/templates/library/project_detail.html
+++ b/nonpacks/templates/library/project_detail.html
@@ -60,14 +60,33 @@
 {% endif %}
 
 <div class="tab-bar" role="tablist">
-    <button class="tab-btn active" data-tab="description" role="tab">Description</button>
+    <button class="tab-btn active" data-tab="{% if project.category == 'guide' %}guide{% else %}description{% endif %}" role="tab">
+        {% if project.category == 'guide' %}Guide{% else %}Description{% endif %}
+    </button>
     <button class="tab-btn" data-tab="versions" role="tab">Versions</button>
+    {% if project.category == 'modpack' %}<button class="tab-btn" data-tab="mods" role="tab">Mods</button>{% endif %}
     <button class="tab-btn" data-tab="gallery" role="tab">Gallery</button>
 </div>
 
-<section class="tab-panel active" id="tab-description">
+<section class="tab-panel active" id="tab-{% if project.category == 'guide' %}guide{% else %}description{% endif %}">
     <div class="card">
-        {% if project.description %}
+        {% if project.category == 'guide' %}
+            <div class="guide-docs">
+                {% if guide_docs %}
+                    <div class="guide-switcher" role="tablist">
+                        {% for doc in guide_docs %}
+                            <button type="button" class="guide-switch-btn{% if forloop.first %} active{% endif %}"
+                                    data-url="{% url 'library:guide_doc' project.slug doc.version.pk doc.file.uuid %}">{{ doc.filename }}</button>
+                        {% endfor %}
+                    </div>
+                    <div class="markdown-body guide-content" id="guide-content">
+                        <p class="empty-hint">Loading…</p>
+                    </div>
+                {% else %}
+                    <p class="empty-hint">No guide documents uploaded yet.</p>
+                {% endif %}
+            </div>
+        {% elif project.description %}
             <div class="markdown-body project-description">{{ project.description|markdown }}</div>
         {% else %}
             <p class="empty-hint">No description yet.</p>
@@ -84,10 +103,14 @@
                     <div class="version-name-row">
                         <strong class="version-name">{{ version.version_name }}</strong>
                         {% if forloop.first %}<span class="latest-badge">latest</span>{% endif %}
+                        {% if version.pack_format %}<span class="pack-format-badge">pack format {{ version.pack_format }}</span>{% endif %}
                     </div>
                     <span class="version-date"><i class="fas fa-clock"></i> {{ version.created_at|date:"M j, Y" }}</span>
                     <span class="version-downloads"><i class="fas fa-download"></i> {{ version.downloads }}</span>
                 </div>
+                {% if version.pack_description %}
+                    <p class="pack-description"><i class="fas fa-info-circle"></i> {{ version.pack_description }}</p>
+                {% endif %}
                 {% if version.changelog %}
                     <div class="markdown-body version-changelog">{{ version.changelog|markdown }}</div>
                 {% endif %}
@@ -96,6 +119,8 @@
                         <div class="version-file">
                             {% if vf.is_png %}
                                 <img class="version-file-thumb" src="{% url 'library:file_request' vf.file.uuid %}" alt="{{ vf.filename }}">
+                            {% elif vf.is_markdown %}
+                                <i class="fas fa-file-lines version-file-icon"></i>
                             {% else %}
                                 <i class="fas fa-file-archive version-file-icon"></i>
                             {% endif %}
@@ -113,6 +138,28 @@
     </div>
 </section>
 
+{% if project.category == 'modpack' %}
+<section class="tab-panel" id="tab-mods">
+    <div class="card">
+        <h2><i class="fas fa-cubes"></i> Mods</h2>
+        {% for version in versions %}
+            {% if version.mods_manifest.files %}
+                <div class="mods-version">
+                    <h3>{{ version.version_name }} <span class="mods-source-badge">{{ version.mods_manifest.source }}</span></h3>
+                    <ul class="mods-list">
+                        {% for mod in version.mods_manifest.files %}
+                            <li><i class="fas fa-cube"></i> {{ mod.name }}</li>
+                        {% endfor %}
+                    </ul>
+                </div>
+            {% endif %}
+        {% empty %}
+            <p class="empty-hint">No mods detected in the uploaded packs.</p>
+        {% endfor %}
+    </div>
+</section>
+{% endif %}
+
 <section class="tab-panel" id="tab-gallery">
     <div class="card">
         <h2><i class="fas fa-images"></i> Gallery</h2>
@@ -172,6 +219,28 @@
             xhr.send();
         });
     });
+
+    // Guide document file-switcher (fetches + renders the selected .md).
+    const guideContent = document.getElementById('guide-content');
+    if (guideContent) {
+        const guideBtns = document.querySelectorAll('.guide-switch-btn');
+        function loadGuide(url) {
+            guideContent.innerHTML = '<p class="empty-hint">Loading…</p>';
+            fetch(url, { headers: { 'Accept': 'text/html' } })
+                .then(r => { if (!r.ok) throw new Error('http'); return r.text(); })
+                .then(html => { guideContent.innerHTML = html; })
+                .catch(() => { guideContent.innerHTML = '<p class="empty-hint">Could not load this document.</p>'; });
+        }
+        guideBtns.forEach(btn => {
+            btn.addEventListener('click', () => {
+                guideBtns.forEach(b => b.classList.remove('active'));
+                btn.classList.add('active');
+                loadGuide(btn.dataset.url);
+            });
+        });
+        const first = guideBtns[0];
+        if (first) loadGuide(first.dataset.url);
+    }
 })();
 </script>
 {% endblock %}
diff --git a/nonpacks/templates/library/project_edit.html b/nonpacks/templates/library/project_edit.html
index a7380f4..828889b 100644
--- a/nonpacks/templates/library/project_edit.html
+++ b/nonpacks/templates/library/project_edit.html
@@ -29,11 +29,11 @@
                 <label for="{{ project_form.category.id_for_label }}">Category</label>
                 {{ project_form.category }}
             </div>
-            <div class="form-group">
+            <div class="form-group" id="description-group">
                 {{ project_form.description.errors }}
                 <label for="{{ project_form.description.id_for_label }}">Description</label>
                 {{ project_form.description }}
-                <p class="bio-help"><i class="fas fa-info-circle"></i> Supports Markdown — headings, lists, links, code, tables and more.</p>
+                <p class="bio-help"><i class="fas fa-info-circle"></i> Supports Markdown — headings, lists, links, code, tables and more. Guides don't use this field.</p>
             </div>
         </section>
 
@@ -74,4 +74,14 @@
 <script src="{% static 'js/tags.js' %}"></script>
 <script src="{% static 'js/uploads.js' %}"></script>
 <script src="{% static 'js/edit.js' %}"></script>
+<script>
+(function () {
+    const cat = document.getElementById('id_category');
+    const group = document.getElementById('description-group');
+    if (!cat || !group) return;
+    function toggle() { group.style.display = cat.value === 'guide' ? 'none' : ''; }
+    cat.addEventListener('change', toggle);
+    toggle();
+})();
+</script>
 {% endblock %}