diff --git a/frontend/core/__tests__/useArticle.test.js b/frontend/core/__tests__/useArticle.test.js
index ec0fe5c5..5df92251 100644
--- a/frontend/core/__tests__/useArticle.test.js
+++ b/frontend/core/__tests__/useArticle.test.js
@@ -10,6 +10,7 @@ function TestHarness({ articleId }) {
     'data-content': state.contentStr,
     'data-error': state.error,
     'data-title': state.title,
+    'data-description': state.description,
   });
 }
 
@@ -46,7 +47,7 @@ describe('useArticle', () => {
 
   it('fetches article on mount and returns content', async () => {
     globalThis.fetch.mockResolvedValue({
-      json: () => Promise.resolve({ title: 'My Title', content: '{"type":"doc"}' }),
+      json: () => Promise.resolve({ title: 'My Title', description: 'A short description', content: '{"type":"doc"}' }),
     });
 
     const container = render(React.createElement(TestHarness, { articleId: '42' }));
@@ -58,9 +59,25 @@ describe('useArticle', () => {
 
     expect(container.querySelector('[data-loaded="true"]')).not.toBeNull();
     expect(container.querySelector('[data-title="My Title"]')).not.toBeNull();
+    expect(container.querySelector('[data-description="A short description"]')).not.toBeNull();
     expect(container.querySelector('[data-content]')?.dataset.content).toBe('{"type":"doc"}');
   });
 
+  it('returns empty description when API returns no description', async () => {
+    globalThis.fetch.mockResolvedValue({
+      json: () => Promise.resolve({ title: 'No Desc', content: '{}' }),
+    });
+
+    const container = render(React.createElement(TestHarness, { articleId: '42' }));
+
+    await act(async () => {
+      await flushMicrotasks();
+    });
+
+    expect(container.querySelector('[data-title="No Desc"]')).not.toBeNull();
+    expect(container.querySelector('[data-description=""]')).not.toBeNull();
+  });
+
   it('sets error when fetch fails', async () => {
     globalThis.fetch.mockRejectedValue(new Error('Network error'));
 
diff --git a/frontend/core/components/ArticleForm.jsx b/frontend/core/components/ArticleForm.jsx
index 66c2e790..6c4068ef 100644
--- a/frontend/core/components/ArticleForm.jsx
+++ b/frontend/core/components/ArticleForm.jsx
@@ -196,6 +196,8 @@ function BlockNoteEditor({ initialContent, onReady }) {
       }
       const mod = e.ctrlKey || e.metaKey;
       if (!mod || (e.key !== 'z' && e.key !== 'y')) return;
+      const tag = document.activeElement?.tagName;
+      if (tag === 'INPUT' || tag === 'TEXTAREA') return;
       const editorEl = editor.dom?.closest('.bn-editor') || editor.dom;
       if (editorEl?.contains(document.activeElement)) return;
       e.preventDefault();
@@ -337,18 +339,35 @@ export default function ArticleForm() {
   const page = root?.dataset.page;
   const articleId = root?.dataset.articleId;
 
-  const { loaded, contentStr, title: loadedTitle, error: loadError } = useArticle(
+  const { loaded, contentStr, title: loadedTitle, description: loadedDescription, error: loadError } = useArticle(
     page === 'edit' ? articleId : null,
   );
   const [title, setTitle] = useState('');
+  const [description, setDescription] = useState('');
   const [error, setError] = useState('');
   const [saving, setSaving] = useState(false);
   const editorRef = useRef(null);
+  const lastTapRef = useRef({ time: 0, target: null });
+
+  const handleDoubleTapSelect = useCallback((e) => {
+    const now = Date.now();
+    const last = lastTapRef.current;
+    if (last.target === e.currentTarget && now - last.time < 400) {
+      e.currentTarget.select();
+      lastTapRef.current = { time: 0, target: null };
+    } else {
+      lastTapRef.current = { time: now, target: e.currentTarget };
+    }
+  }, []);
 
   useEffect(() => {
     if (loadedTitle) setTitle(loadedTitle);
   }, [loadedTitle]);
 
+  useEffect(() => {
+    if (loadedDescription) setDescription(loadedDescription);
+  }, [loadedDescription]);
+
   useCodeBlockGapClick(editorRef);
 
   const handleSubmit = async () => {
@@ -367,7 +386,7 @@ export default function ArticleForm() {
       const res = await fetch(url, {
         method,
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ title, content }),
+        body: JSON.stringify({ title, description, content }),
       });
 
       if (res.ok) {
@@ -406,8 +425,31 @@ export default function ArticleForm() {
         placeholder="Article title"
         value={title}
         onChange={(e) => setTitle(e.target.value)}
+        onClick={handleDoubleTapSelect}
       />
-      <BlockNoteEditor initialContent={initialContent} onReady={(ed) => { editorRef.current = ed; }} />
+      <div className="article-editor-description-wrap">
+        <div className="article-editor-section-header">
+          <span className="article-editor-label">Description</span>
+        </div>
+        <div className="article-editor-section-header">
+          <span className="desc-limit-hint">Maximum 300 characters</span>
+          <span className="char-counter">{description.length}/300</span>
+        </div>
+        <textarea
+          className="article-editor-description"
+          placeholder="Short description (optional)"
+          maxLength={300}
+          value={description}
+          onChange={(e) => setDescription(e.target.value)}
+          onClick={handleDoubleTapSelect}
+        />
+      </div>
+      <div className="article-editor-body-wrap">
+        <div className="article-editor-section-header">
+          <span className="article-editor-section-title">Content</span>
+        </div>
+        <BlockNoteEditor initialContent={initialContent} onReady={(ed) => { editorRef.current = ed; }} />
+      </div>
       <div className="article-editor-actions">
         <button className="btn" onClick={handleSubmit} disabled={saving}>
           {saving ? 'Saving...' : page === 'create' ? 'Publish' : 'Save'}
diff --git a/frontend/core/entry.jsx b/frontend/core/entry.jsx
index f072b8b5..4f0bb562 100644
--- a/frontend/core/entry.jsx
+++ b/frontend/core/entry.jsx
@@ -23,19 +23,4 @@ if (root && Component) {
       </ErrorBoundary>
     </React.StrictMode>,
   );
-
-  if (window.innerWidth <= 768) {
-    const setPad = () => {
-      const ed = root.querySelector('.bn-editor');
-      if (!ed) return false;
-      ed.style.setProperty('padding-inline', '28px 2px');
-      return true;
-    };
-    if (!setPad()) {
-      const obs = new MutationObserver(() => {
-        if (setPad()) obs.disconnect();
-      });
-      obs.observe(root, { childList: true, subtree: true });
-    }
-  }
 }
diff --git a/frontend/core/hooks/useArticle.js b/frontend/core/hooks/useArticle.js
index 7b596834..71147f52 100644
--- a/frontend/core/hooks/useArticle.js
+++ b/frontend/core/hooks/useArticle.js
@@ -8,6 +8,7 @@ export default function useArticle(articleId) {
   const [loaded, setLoaded] = useState(!articleId || !!ssrContent);
   const [contentStr, setContentStr] = useState(ssrContent || '');
   const [title, setTitle] = useState('');
+  const [description, setDescription] = useState('');
   const [error, setError] = useState('');
 
   useEffect(() => {
@@ -23,6 +24,7 @@ export default function useArticle(articleId) {
         const r = await fetch(`/api/articles/${articleId}`);
         const data = await r.json();
         setTitle(data.title || '');
+        setDescription(data.description || '');
         setContentStr(data.content || '');
       } catch {
         setError('Failed to load article.');
@@ -32,5 +34,5 @@ export default function useArticle(articleId) {
     })();
   }, [articleId]);
 
-  return { loaded, contentStr, title, error };
+  return { loaded, contentStr, title, description, error };
 }
diff --git a/frontend/core/utils/video-override-spec.js b/frontend/core/utils/video-override-spec.js
index 2cec02ab..ebb89714 100644
--- a/frontend/core/utils/video-override-spec.js
+++ b/frontend/core/utils/video-override-spec.js
@@ -24,7 +24,8 @@ function buildYouTubeIFrame(url, isEditable) {
   if (isEditable) {
     iframe.style.pointerEvents = 'none';
 
-    wrapper.addEventListener('dblclick', () => {
+    wrapper.addEventListener('click', (e) => {
+      e.stopPropagation();
       iframe.style.pointerEvents = '';
       if (iframe.contentWindow) iframe.contentWindow.focus();
 
diff --git a/frontend/static/css/article.css b/frontend/static/css/article.css
index e7473232..ba6c5f4e 100644
--- a/frontend/static/css/article.css
+++ b/frontend/static/css/article.css
@@ -76,7 +76,7 @@
     align-items: center;
     gap: var(--spacing-sm);
     font-family: var(--font-mono);
-    font-size: var(--font-body-sm);
+    font-size: var(--font-body-base);
     font-weight: 500;
     letter-spacing: 0.05em;
     color: var(--on-surface-variant);
@@ -93,8 +93,8 @@
 }
 
 .meta-author-avatar {
-    width: 1.25rem;
-    height: 1.25rem;
+    width: 3rem;
+    height: 3rem;
     border-radius: 9999px;
     object-fit: cover;
     vertical-align: middle;
@@ -218,6 +218,91 @@ a.meta-author:hover {
 
 }
 
+/* Search bar */
+.search-bar-form {
+    margin-bottom: var(--spacing-md);
+}
+
+.search-wrapper {
+    display: flex;
+    align-items: stretch;
+    border-radius: var(--radius-default);
+    overflow: hidden;
+}
+
+input.search-input {
+    flex: 1;
+    min-width: 0;
+    padding: var(--spacing-sm) var(--spacing-md);
+    border: 1px solid var(--outline-variant);
+    border-right: none;
+    border-radius: var(--radius-default) 0 0 var(--radius-default);
+    background: var(--surface-container);
+    color: var(--on-surface);
+    font-family: var(--font-primary);
+    font-size: var(--font-body-base);
+    line-height: 1;
+    outline: none;
+    transition: border-color 0.2s ease, box-shadow 0.2s ease;
+}
+
+.search-wrapper:focus-within input.search-input,
+.search-wrapper:focus-within .search-clear-btn,
+.search-wrapper:focus-within .search-submit-btn {
+    border-color: var(--primary);
+}
+
+.search-wrapper:focus-within {
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 20%, transparent);
+}
+
+.search-clear-btn {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--on-surface-variant);
+    text-decoration: none;
+    font-size: 1rem;
+    line-height: 1;
+    padding: var(--spacing-sm) 0.5rem;
+    cursor: pointer;
+    background: var(--surface-container);
+    border-top: 1px solid var(--outline-variant);
+    border-bottom: 1px solid var(--outline-variant);
+    transition: color 0.2s ease, border-color 0.2s ease;
+}
+
+.search-clear-btn:hover {
+    color: var(--on-surface);
+}
+
+.search-submit-btn {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--on-surface);
+    border: 1px solid var(--outline-variant);
+    border-radius: 0 var(--radius-default) var(--radius-default) 0;
+    margin-left: -1px;
+    background: var(--surface-container);
+    cursor: pointer;
+    padding: var(--spacing-sm);
+    font: inherit;
+    -webkit-appearance: none;
+    appearance: none;
+    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
+}
+
+.search-submit-btn svg {
+    width: 1rem;
+    height: 1rem;
+    display: block;
+}
+
+.search-submit-btn:hover {
+    color: var(--primary);
+}
+
 /* Micro-mobile fine-tuning (e.g. 360px) */
 @media (max-width: 22.5em) {
 
@@ -231,6 +316,25 @@ a.meta-author:hover {
     .pagination-link {
         font-size: var(--font-body-base);
     }
+
+    input.search-input {
+        font-size: var(--font-body-sm);
+        padding: 0.375rem var(--spacing-md);
+    }
+
+    .search-clear-btn {
+        font-size: 0.875rem;
+        padding: 0.375rem 0.375rem;
+    }
+
+    .search-submit-btn {
+        padding: 0.375rem;
+    }
+
+    .search-submit-btn svg {
+        width: 0.875rem;
+        height: 0.875rem;
+    }
 }
 
 .page-link-num.active {
@@ -430,6 +534,26 @@ input[type=number] {
     margin-top: var(--spacing-md);
 }
 
+.article-description {
+    display: block;
+    font-family: var(--font-primary);
+    color: var(--on-surface-variant);
+    line-height: 1.5;
+    text-align: justify;
+}
+
+.detail-description {
+    font-size: var(--font-body-lg);
+    font-weight: 600;
+    margin-top: var(--spacing-sm);
+    margin-bottom: var(--spacing-md);
+}
+
+.list-description {
+    font-size: var(--font-body-base);
+    margin-top: var(--spacing-xs);
+}
+
 .detail-actions {
     margin-top: var(--spacing-md);
     display: flex;
@@ -463,8 +587,8 @@ input[type=number] {
 
 .comment-avatar {
     flex-shrink: 0;
-    width: 2.5rem;
-    height: 2.5rem;
+    width: 3rem;
+    height: 3rem;
     border-radius: 9999px;
     background: var(--primary-container);
     display: flex;
@@ -479,7 +603,7 @@ input[type=number] {
 }
 
 .comment-avatar-initial {
-    font-size: var(--font-body-sm);
+    font-size: var(--font-body-base);
     font-weight: 600;
     color: var(--on-primary-container);
     line-height: 1;
@@ -611,9 +735,10 @@ a.comment-author:hover {
     font-size: var(--font-body-base);
 }
 
-.comment-limit-hint {
+.comment-limit-hint,
+.desc-limit-hint {
     display: block;
-    font-size: 0.7rem;
+    font-size: var(--font-body-sm);
     color: var(--text-secondary);
 }
 
@@ -632,8 +757,8 @@ a.comment-author:hover {
 
 @media (max-width: 30em) {
     .comment-avatar {
-        width: 2rem;
-        height: 2rem;
+        width: 2.5rem;
+        height: 2.5rem;
     }
 }
 
@@ -1015,6 +1140,76 @@ a.comment-author:hover {
     opacity: 0.6;
 }
 
+.article-editor-description-wrap {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: var(--spacing-xs);
+}
+
+.article-editor-label {
+    font-family: var(--font-primary);
+    font-size: var(--font-headline-sm);
+    font-weight: 600;
+    color: var(--on-surface);
+}
+
+.article-editor-section-title {
+    font-family: var(--font-primary);
+    font-size: var(--font-headline-sm);
+    font-weight: 600;
+    color: var(--on-surface);
+}
+
+.article-editor-body-wrap {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: var(--spacing-xs);
+}
+
+.article-editor-section-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    width: 100%;
+    max-width: 49.25rem;
+}
+
+.char-counter {
+    font-size: var(--font-body-sm);
+    color: var(--text-secondary);
+}
+
+.article-editor-description {
+    width: 100%;
+    max-width: 49.25rem;
+    font-family: var(--font-primary);
+    font-size: var(--font-body-base);
+    font-weight: 400;
+    color: var(--on-surface);
+    background: var(--surface-container);
+    border: 1px solid var(--outline-variant);
+    border-radius: var(--radius-default);
+    padding: var(--spacing-sm);
+    outline: none;
+    resize: vertical;
+    min-height: 2.5rem;
+    line-height: 1.6;
+    text-align: justify;
+    transition: border-color 0.2s ease, box-shadow 0.2s ease;
+}
+
+.article-editor-description:focus {
+    border-color: var(--primary);
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 20%, transparent);
+}
+
+.article-editor-description::placeholder {
+    color: var(--on-surface-variant);
+    opacity: 0.6;
+}
+
 .article-editor-actions {
     display: flex;
     justify-content: flex-end;
@@ -1542,6 +1737,51 @@ a.comment-author:hover {
 }
 
 @media (max-width: 30em) {
+    .article-editor {
+        gap: var(--spacing-md);
+    }
+
+    .article-editor-title {
+        font-size: 1.5rem;
+    }
+
+    .article-editor-description {
+        padding: var(--spacing-xs);
+    }
+
+    .article-editor-body-wrap {
+        align-items: stretch;
+    }
+
+    .article-editor .bn-editor {
+        padding-inline: var(--spacing-md);
+        overflow-x: auto;
+    }
+
+    .bn-toolbar {
+        gap: 1px;
+        padding: 1px;
+    }
+
+    /* DO NOT REMOVE !important
+       Mantine sets --ai-size as inline style on each ActionIcon element.
+       Inline styles beat stylesheet rules per CSS cascade spec.
+       The ONLY way to override an inline custom property from a stylesheet
+       is !important on the custom property declaration itself.
+       Remove !important only if Mantine stops using inline style for --ai-size. */
+    .bn-toolbar .mantine-ActionIcon-root {
+        --ai-size: 1.25rem !important;
+    }
+
+    /* Same rationale as above for Mantine Button height. */
+    .bn-toolbar .mantine-Button-root {
+        --button-height: 1.25rem !important;
+    }
+
+    .bn-toolbar .material-symbols-outlined {
+        font-size: 0.875rem;
+    }
+
     .emoji-picker-popup {
         position: fixed !important;
         top: 50% !important;
diff --git a/frontend/static/css/base.css b/frontend/static/css/base.css
index bf147118..d938702d 100644
--- a/frontend/static/css/base.css
+++ b/frontend/static/css/base.css
@@ -336,6 +336,12 @@ body {
     width: 100%;
 }
 
+@media (max-width: 30em) {
+    .main-layout {
+        padding: 0 var(--spacing-lg);
+    }
+}
+
 h1 {
     font-size: var(--font-headline-xl);
     font-weight: 700;
diff --git a/frontend/static/scripts/double-tap-select.js b/frontend/static/scripts/double-tap-select.js
new file mode 100644
index 00000000..bca10d36
--- /dev/null
+++ b/frontend/static/scripts/double-tap-select.js
@@ -0,0 +1,17 @@
+'use strict';
+
+(() => {
+    let lastTap = 0;
+    const input = document.querySelector('.search-input');
+    if (input) {
+        input.addEventListener('click', () => {
+            const now = Date.now();
+            if (lastTap && now - lastTap < 400) {
+                input.select();
+                lastTap = 0;
+            } else {
+                lastTap = now;
+            }
+        });
+    }
+})();
diff --git a/frontend/static/scripts/suneditor-init.js b/frontend/static/scripts/suneditor-init.js
index 69467c0b..0c6e2310 100644
--- a/frontend/static/scripts/suneditor-init.js
+++ b/frontend/static/scripts/suneditor-init.js
@@ -110,6 +110,21 @@
                     }
                 }
             }, true);
+
+            let lastTap = null;
+            wysiwyg.addEventListener('click', () => {
+                const now = Date.now();
+                if (lastTap && now - lastTap < 400) {
+                    const range = document.createRange();
+                    range.selectNodeContents(wysiwyg);
+                    const sel = window.getSelection();
+                    sel.removeAllRanges();
+                    sel.addRange(range);
+                    lastTap = null;
+                } else {
+                    lastTap = now;
+                }
+            });
         }
 
         editor.insertImage = function () {
diff --git a/frontend/templates/article_detail.html b/frontend/templates/article_detail.html
index 68865223..1aae83eb 100644
--- a/frontend/templates/article_detail.html
+++ b/frontend/templates/article_detail.html
@@ -47,6 +47,9 @@
             <span>Back to articles</span>
         </a>
         <h1 class="item-title detail-title">{{ article.article_title }}</h1>
+        {% if article.article_description %}
+        <strong class="article-description detail-description">{{ article.article_description }}</strong>
+        {% endif %}
         <div class="item-meta">
             {% if article.author_username == 'Anonymous' %}
             <span class="meta-author">{{ article.author_username }}</span>
diff --git a/frontend/templates/article_list.html b/frontend/templates/article_list.html
index 7bfa9a77..a05ca1ad 100644
--- a/frontend/templates/article_list.html
+++ b/frontend/templates/article_list.html
@@ -15,17 +15,18 @@
 
 {% block extra_js %}
 <script defer src="{{ url_for('static', filename='scripts/pagination.js') }}"></script>
+<script defer src="{{ url_for('static', filename='scripts/double-tap-select.js') }}"></script>
 {% endblock %}
 
-{% macro render_pagination_info(current_page, total_pages) %}
+{% macro render_pagination_info(current_page, total_pages, query="") %}
     <div class="pagination-info">
         {% if total_pages <= 13 %}
             {% for p in range(1, total_pages + 1) %}
-                <a href="{{ url_for('article.list_articles', page=p) }}" class="page-link-num {% if p == current_page %}active{% endif %}">{{ p }}</a>
+                <a href="{{ url_for('article.list_articles', page=p, q=query if query else None) }}" class="page-link-num {% if p == current_page %}active{% endif %}">{{ p }}</a>
             {% endfor %}
         {% else %}
             <!-- First Page -->
-            <a href="{{ url_for('article.list_articles', page=1) }}" class="page-link-num {% if 1 == current_page %}active{% endif %}">1</a>
+            <a href="{{ url_for('article.list_articles', page=1, q=query if query else None) }}" class="page-link-num {% if 1 == current_page %}active{% endif %}">1</a>
             
             <!-- Window Calculation -->
             {% if current_page <= 7 %}
@@ -46,7 +47,7 @@
             
             <!-- Window Pages -->
             {% for p in range(start_p, end_p + 1) %}
-                <a href="{{ url_for('article.list_articles', page=p) }}" class="page-link-num {% if p == current_page %}active{% endif %}">{{ p }}</a>
+                <a href="{{ url_for('article.list_articles', page=p, q=query if query else None) }}" class="page-link-num {% if p == current_page %}active{% endif %}">{{ p }}</a>
             {% endfor %}
             
             <!-- Right Dots -->
@@ -55,25 +56,36 @@
             {% endif %}
             
             <!-- Last Page -->
-            <a href="{{ url_for('article.list_articles', page=total_pages) }}" class="page-link-num {% if total_pages == current_page %}active{% endif %}">{{ total_pages }}</a>
+            <a href="{{ url_for('article.list_articles', page=total_pages, q=query if query else None) }}" class="page-link-num {% if total_pages == current_page %}active{% endif %}">{{ total_pages }}</a>
         {% endif %}
     </div>
 {% endmacro %}
 
 {% block content %}
+<form action="{{ url_for('article.list_articles') }}" method="GET" class="search-bar-form">
+    <div class="search-wrapper">
+        <input type="text" name="q" class="search-input" placeholder="Search by title, description or author..."
+               value="{{ query or '' }}" autocomplete="off">
+        {% if query %}
+        <a href="{{ url_for('article.list_articles') }}" class="search-clear-btn">&times;</a>
+        {% endif %}
+        <button type="submit" class="search-submit-btn" aria-label="Search">{% include 'icons/search.svg' %}</button>
+    </div>
+</form>
+
 <!-- Top Pagination Component -->
 <nav class="editorial-pagination top">
     <div class="pagination-prev">
-        <a href="{{ url_for('article.list_articles', page=page-1) }}" class="pagination-link{% if not has_prev %} pagination-link--hidden{% endif %}">
+        <a href="{{ url_for('article.list_articles', page=page-1, q=query if query else None) }}" class="pagination-link{% if not has_prev %} pagination-link--hidden{% endif %}">
             {{ icon('arrow_back') }}
             <span>Previous</span>
         </a>
     </div>
     
-    {{ render_pagination_info(page, total_pages) }}
+    {{ render_pagination_info(page, total_pages, query) }}
     
     <div class="pagination-next">
-        <a href="{{ url_for('article.list_articles', page=page+1) }}" class="pagination-link{% if not has_next %} pagination-link--hidden{% endif %}">
+        <a href="{{ url_for('article.list_articles', page=page+1, q=query if query else None) }}" class="pagination-link{% if not has_next %} pagination-link--hidden{% endif %}">
             <span>Next</span>
             {{ icon('arrow_forward') }}
         </a>
@@ -90,7 +102,9 @@ <h2 class="item-title">
                             {{ article.article_title }}
                         </a>
                     </h2>
-                    <p class="item-excerpt">{{ article.meta_description }}</p>
+                    {% if article.meta_description %}
+                    <span class="article-description list-description">{{ article.meta_description }}</span>
+                    {% endif %}
                 </div>
                 <div class="item-meta">
                     {% if article.author_username == 'Anonymous' %}
@@ -113,7 +127,7 @@ <h2 class="item-title">
     {% else %}
         <div class="empty-state">
             {{ icon('folder_open', 'empty-state-icon') }}
-            <p class="empty-state-text">No articles found in the database.</p>
+            <p class="empty-state-text">{% if query %}No articles match "{{ query }}".{% else %}No articles found in the database.{% endif %}</p>
         </div>
     {% endfor %}
 </section>
@@ -121,16 +135,16 @@ <h2 class="item-title">
 <!-- Pagination Component -->
 <nav class="editorial-pagination">
     <div class="pagination-prev">
-        <a href="{{ url_for('article.list_articles', page=page-1) }}" class="pagination-link{% if not has_prev %} pagination-link--hidden{% endif %}">
+        <a href="{{ url_for('article.list_articles', page=page-1, q=query if query else None) }}" class="pagination-link{% if not has_prev %} pagination-link--hidden{% endif %}">
             {{ icon('arrow_back') }}
             <span>Previous</span>
         </a>
     </div>
     
-    {{ render_pagination_info(page, total_pages) }}
+    {{ render_pagination_info(page, total_pages, query) }}
     
     <div class="pagination-next">
-        <a href="{{ url_for('article.list_articles', page=page+1) }}" class="pagination-link{% if not has_next %} pagination-link--hidden{% endif %}">
+        <a href="{{ url_for('article.list_articles', page=page+1, q=query if query else None) }}" class="pagination-link{% if not has_next %} pagination-link--hidden{% endif %}">
             <span>Next</span>
             {{ icon('arrow_forward') }}
         </a>
diff --git a/frontend/templates/icons/search.svg b/frontend/templates/icons/search.svg
new file mode 100644
index 00000000..ff744d04
--- /dev/null
+++ b/frontend/templates/icons/search.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="currentColor"><path d="M784-120 532-372q-30 24-69 38t-83 14q-109 0-184.5-75.5T120-580q0-109 75.5-184.5T380-840q109 0 184.5 75.5T640-580q0 44-14 83t-38 69l252 252-56 56ZM380-400q75 0 127.5-52.5T560-580q0-75-52.5-127.5T380-760q-75 0-127.5 52.5T200-580q0 75 52.5 127.5T380-400Z"/></svg>
diff --git a/migrations/V12__add_article_description_to_articles.sql b/migrations/V12__add_article_description_to_articles.sql
new file mode 100644
index 00000000..daa5e200
--- /dev/null
+++ b/migrations/V12__add_article_description_to_articles.sql
@@ -0,0 +1,2 @@
+ALTER TABLE articles
+    ADD COLUMN IF NOT EXISTS article_description VARCHAR(300) DEFAULT '' NOT NULL;
diff --git a/src/application/domain/article.py b/src/application/domain/article.py
index 5dde2e4d..5e9f402f 100644
--- a/src/application/domain/article.py
+++ b/src/application/domain/article.py
@@ -13,6 +13,7 @@ class Article:
         article_author_id (int | None): Reference to the author's Account.
             None when the author's account has been deleted.
         article_title (str): Title of the article.
+        article_description (str): Short description shown in article list.
         article_content (str): Full text content of the article.
         article_published_at (datetime): Timestamp of publication.
     """
@@ -24,6 +25,7 @@ def __init__(
         article_title: str,
         article_content: str,
         article_published_at: datetime | None,
+        article_description: str = "",
     ):
         """
         Initialize a blog article.
@@ -35,10 +37,13 @@ def __init__(
             article_title (str): Title of the article.
             article_content (str): Full text content of the article.
             article_published_at (datetime): Timestamp of publication.
+            article_description (str): Short description displayed in article
+                list. Optional, defaults to empty string.
         """
         self.article_id = article_id
         self.article_author_id = article_author_id
         self.article_title = article_title
+        self.article_description = article_description
         self.article_content = article_content
         self.article_published_at = article_published_at
 
diff --git a/src/application/input_ports/article_management.py b/src/application/input_ports/article_management.py
index e9a859d8..7a22a34b 100644
--- a/src/application/input_ports/article_management.py
+++ b/src/application/input_ports/article_management.py
@@ -10,7 +10,7 @@ class ArticleManagementPort(ABC):
     """
 
     @abstractmethod
-    def create_article(self, title: str, content: str, author_id: int, author_role: str) -> Article | str:
+    def create_article(self, title: str, content: str, author_id: int, author_role: str, description: str = "") -> Article | str:
         """
         Creates a new article if the user has sufficient permissions.
 
@@ -19,6 +19,7 @@ def create_article(self, title: str, content: str, author_id: int, author_role:
             content (str): The body content of the new article.
             author_id (int): The unique identifier of the user creating the article.
             author_role (str): The role of the user.
+            description (str): Short description displayed in article list. Optional.
 
         Returns:
             Article | str: The newly created Article domain entity,
@@ -50,7 +51,7 @@ def get_by_id(self, article_id: int) -> Article | None:
         pass
 
     @abstractmethod
-    def update_article(self, article_id: int, user_id: int, title: str, content: str) -> Article | str:
+    def update_article(self, article_id: int, user_id: int, title: str, content: str, description: str = "") -> Article | str:
         """
         Updates an existing article ensuring the requester is the original author.
 
@@ -59,6 +60,7 @@ def update_article(self, article_id: int, user_id: int, title: str, content: str
             user_id (int): ID of the user requesting the update.
             title (str): New title for the article.
             content (str): New content for the article.
+            description (str): Short description displayed in article list. Optional.
 
         Returns:
             Article | str: The updated Article domain entity,
@@ -134,3 +136,34 @@ def get_article_with_comments(self, article_id: int) -> ArticleDetailView | str:
         """
         pass
 
+    @abstractmethod
+    def search_articles(self, query: str, page: int, per_page: int) -> list[ArticleWithAuthor]:
+        """
+        Searches articles by title or description.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+            page: The page number (1-indexed).
+            per_page: The number of items per page.
+
+        Returns:
+            A list of ArticleWithAuthor read models matching the query
+            for the given page, ordered by publication date descending.
+        """
+        pass
+
+    @abstractmethod
+    def count_search(self, query: str) -> int:
+        """
+        Counts articles matching a search query.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+
+        Returns:
+            The total number of matching articles.
+        """
+        pass
+
diff --git a/src/application/output_ports/article_repository.py b/src/application/output_ports/article_repository.py
index 4c7bb38d..5e174d0b 100644
--- a/src/application/output_ports/article_repository.py
+++ b/src/application/output_ports/article_repository.py
@@ -79,3 +79,36 @@ def count_all(self) -> int:
             int: The total count of articles.
         """
         pass
+
+    @abstractmethod
+    def search(self, query: str, page: int, per_page: int) -> list[Article]:
+        """
+        Searches articles by title, description, or author username using a
+        case-insensitive substring match.
+
+        Args:
+            query: The search term to match against article titles,
+                descriptions, or author usernames.
+            page: The page number (1-indexed).
+            per_page: The number of items per page.
+
+        Returns:
+            A list of Article domain entities matching the search query
+            for the given page, ordered by publication date descending.
+        """
+        pass
+
+    @abstractmethod
+    def count_search(self, query: str) -> int:
+        """
+        Counts articles matching a search query across title, description,
+        or author username.
+
+        Args:
+            query: The search term to match against article titles,
+                descriptions, or author usernames.
+
+        Returns:
+            The total number of articles matching the query.
+        """
+        pass
diff --git a/src/application/services/article_service.py b/src/application/services/article_service.py
index 2eeb6e26..621b1563 100644
--- a/src/application/services/article_service.py
+++ b/src/application/services/article_service.py
@@ -116,7 +116,7 @@ def _get_account_if_author_or_admin(self, user_id: int) -> Account | str:
 
         return account
 
-    def create_article(self, title: str, content: str, author_id: int, author_role: str) -> Article | str:
+    def create_article(self, title: str, content: str, author_id: int, author_role: str, description: str = "") -> Article | str:
         """
         Creates a new article and saves it via the repository if the account exists and the user has
         the correct permissions.
@@ -126,6 +126,7 @@ def create_article(self, title: str, content: str, author_id: int, author_role:
             content (str): The body content of the new article.
             author_id (int): The unique identifier of the user creating the article.
             author_role (AccountRole): The role of the user.
+            description (str): Short description displayed in article list. Optional.
 
         Returns:
             Article | str: The newly created Article domain entity,
@@ -141,6 +142,7 @@ def create_article(self, title: str, content: str, author_id: int, author_role:
             article_title=title,
             article_content=content,
             article_published_at=None,
+            article_description=description,
         )
 
         self.article_repository.save(new_article)
@@ -167,7 +169,7 @@ def get_by_id(self, article_id: int) -> Article | None:
         """
         return self.article_repository.get_by_id(article_id)
 
-    def update_article(self, article_id: int, user_id: int, title: str, content: str) -> Article | str:
+    def update_article(self, article_id: int, user_id: int, title: str, content: str, description: str = "") -> Article | str:
         """
         Updates an existing article. Only the original author or an admin can edit
         (admins can also edit anonymous articles whose author account was deleted).
@@ -177,6 +179,7 @@ def update_article(self, article_id: int, user_id: int, title: str, content: str
             user_id (int): ID of the user requesting the update.
             title (str): New title for the article.
             content (str): New content for the article.
+            description (str): Short description displayed in article list. Optional.
 
         Returns:
             Article | str: The updated Article domain entity,
@@ -197,6 +200,7 @@ def update_article(self, article_id: int, user_id: int, title: str, content: str
 
         old_content = article.article_content
         article.article_title = title
+        article.article_description = description
         article.article_content = content
         self.article_repository.save(article)
 
@@ -327,3 +331,46 @@ def get_article_with_comments(self, article_id: int) -> ArticleDetailView | str:
             author_avatar_file_id=avatar_map.get(article.article_author_id) if article.article_author_id in avatar_map else None,
         )
         return ArticleDetailView(article_with_author=article_with_author, nested_comments=nested)
+
+    def search_articles(self, query: str, page: int, per_page: int) -> list[ArticleWithAuthor]:
+        """
+        Searches articles by title or description.
+
+        Delegates to the repository's search method, then merges author
+        information (username and avatar) from the account repository.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+            page: The page number (1-indexed).
+            per_page: The number of items per page.
+
+        Returns:
+            A list of ArticleWithAuthor read models matching the query
+            for the given page, ordered by publication date descending.
+        """
+        domain_articles = self.article_repository.search(query, page, per_page)
+        known_ids = {a.article_author_id for a in domain_articles if a.article_author_id is not None}
+        authors = self.account_repository.get_by_ids(list(known_ids))
+        author_map = {acc.account_id: acc.account_username for acc in authors}
+        avatar_map = {acc.account_id: acc.avatar_file_id for acc in authors}
+        return [ArticleWithAuthor(
+            article=a,
+            author_name=author_map.get(a.article_author_id, "Unknown") if a.article_author_id is not None else "Anonymous",
+            author_avatar_file_id=avatar_map.get(a.article_author_id) if a.article_author_id in avatar_map else None,
+        ) for a in domain_articles]
+
+    def count_search(self, query: str) -> int:
+        """
+        Counts articles matching a search query.
+
+        Delegates to the repository's count_search method.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+
+        Returns:
+            The total number of matching articles.
+        """
+        return self.article_repository.count_search(query)
diff --git a/src/infrastructure/input_adapters/dto/article_request.py b/src/infrastructure/input_adapters/dto/article_request.py
index bffafc13..2dc1c110 100644
--- a/src/infrastructure/input_adapters/dto/article_request.py
+++ b/src/infrastructure/input_adapters/dto/article_request.py
@@ -6,6 +6,7 @@ class ArticleRequest(BaseModel):
     Data Transfer Object representing the request to create or update an article.
     Synchronised with SQLAlchemy model constraints (Text, nullable=False).
     Using min_length=1 to enforce that 'NOT NULL' fields are not empty.
+    description is optional, defaults to empty string, limited to 300 characters.
     """
     title: str = Field(
         ..., min_length=1, description="The title of the article. Required (NOT NULL)."
@@ -13,3 +14,6 @@ class ArticleRequest(BaseModel):
     content: str = Field(
         ..., min_length=1, description="The main content of the article. Required (NOT NULL)."
     )
+    description: str = Field(
+        "", max_length=300, description="Short description displayed in article list. Optional."
+    )
diff --git a/src/infrastructure/input_adapters/dto/article_response.py b/src/infrastructure/input_adapters/dto/article_response.py
index dc23332a..11b9d357 100644
--- a/src/infrastructure/input_adapters/dto/article_response.py
+++ b/src/infrastructure/input_adapters/dto/article_response.py
@@ -34,6 +34,10 @@ class ArticleResponse(BaseModel):
         article_author_id (int | None): Reference to the author's Account.
             None when the author's account has been deleted.
         author_avatar_file_id (str | None): UUID of the author's avatar file, or None.
+        article_description (str): Short description displayed in article list.
+            Empty string when no description was provided.
+        meta_description (str): Alias for article_description, used for
+            <meta name="description"> and list view excerpt.
     """
     model_config = ConfigDict(from_attributes=True)
 
@@ -42,18 +46,14 @@ class ArticleResponse(BaseModel):
     author_username: str = "Unknown"
     author_avatar_file_id: str | None = None
     article_title: str
+    article_description: str = ""
     article_content: str
     article_published_at: datetime | None = None
     meta_description: str = ""
 
     @classmethod
     def from_domain(cls, article, author_username: str = "Unknown", author_avatar_file_id: str | None = None):
-        plain_text = _blocks_to_plain_text(article.article_content).replace("\n", " ").strip()
-        limit_character = 155
-        if len(plain_text) > limit_character:
-            meta = f"{plain_text[:limit_character]}..."
-        else:
-            meta = plain_text
+        description = article.article_description or ""
 
         return cls(
             article_id=article.article_id,
@@ -61,7 +61,8 @@ def from_domain(cls, article, author_username: str = "Unknown", author_avatar_fi
             author_username=author_username,
             author_avatar_file_id=author_avatar_file_id,
             article_title=article.article_title,
+            article_description=description,
             article_content=article.article_content,
             article_published_at=article.article_published_at,
-            meta_description=meta
+            meta_description=description,
         )
diff --git a/src/infrastructure/input_adapters/flask/flask_article_adapter.py b/src/infrastructure/input_adapters/flask/flask_article_adapter.py
index c4256b22..74702d2b 100644
--- a/src/infrastructure/input_adapters/flask/flask_article_adapter.py
+++ b/src/infrastructure/input_adapters/flask/flask_article_adapter.py
@@ -53,14 +53,25 @@ def _count_comment_nodes(nodes: list[CommentNode]) -> int:
     def list_articles(self) -> str:
         """
         Renders the blog homepage with a paginated list of articles.
-        Retrieves the current user from global_request_context for UI conditional rendering.
+        Supports an optional "q" query parameter for searching articles
+        by title or description.
+
+        Retrieves the current user from global_request_context for UI
+        conditional rendering.
 
         Returns:
             str: The rendered HTML content of the 'article_list.html' template.
         """
+        query = request.args.get("q", "").strip()
         page = request.args.get("page", 1, type=int)
-        domain_articles = self.article_service.get_paginated_articles(page=page, per_page=10)
-        total_count = self.article_service.get_total_count()
+
+        if query:
+            domain_articles = self.article_service.search_articles(query, page=page, per_page=10)
+            total_count = self.article_service.count_search(query)
+        else:
+            domain_articles = self.article_service.get_paginated_articles(page=page, per_page=10)
+            total_count = self.article_service.get_total_count()
+
         articles = []
 
         for item in domain_articles:
@@ -82,7 +93,8 @@ def list_articles(self) -> str:
             page=page,
             has_next=has_next,
             has_prev=has_prev,
-            total_pages=total_pages
+            total_pages=total_pages,
+            query=query,
         )
 
     def read_article(self, article_id: int) -> str | Response:
@@ -180,6 +192,7 @@ def api_get_article(self, article_id: int) -> Response | tuple[Response, int]:
         return jsonify({
             "id": article.article_id,
             "title": article.article_title,
+            "description": article.article_description,
             "content": content,
             "author_id": article.article_author_id,
             "author_username": username,
@@ -211,6 +224,7 @@ def api_create_article(self) -> Response | tuple[Response, int]:
             req_data = ArticleRequest(
                 title=data.get("title", ""),
                 content=data.get("content", ""),
+                description=data.get("description", ""),
             )
         except ValidationError as e:
             for error in e.errors():
@@ -218,7 +232,9 @@ def api_create_article(self) -> Response | tuple[Response, int]:
             return jsonify({"error": "Validation error."}), 400
 
         result = self.article_service.create_article(
-            title=req_data.title, content=req_data.content, author_id=user.account_id, author_role=user.account_role,
+            title=req_data.title, content=req_data.content,
+            author_id=user.account_id, author_role=user.account_role,
+            description=req_data.description,
         )
         if isinstance(result, str):
             return jsonify({"error": result}), 403
@@ -253,6 +269,7 @@ def api_update_article(self, article_id: int) -> Response | tuple[Response, int]
             req_data = ArticleRequest(
                 title=data.get("title", ""),
                 content=data.get("content", ""),
+                description=data.get("description", ""),
             )
         except ValidationError as e:
             for error in e.errors():
@@ -260,7 +277,9 @@ def api_update_article(self, article_id: int) -> Response | tuple[Response, int]
             return jsonify({"error": "Validation error."}), 400
 
         result = self.article_service.update_article(
-            article_id=article_id, user_id=user.account_id, title=req_data.title, content=req_data.content,
+            article_id=article_id, user_id=user.account_id,
+            title=req_data.title, content=req_data.content,
+            description=req_data.description,
         )
         if isinstance(result, str):
             return jsonify({"error": result}), 403
diff --git a/src/infrastructure/output_adapters/dto/article_record.py b/src/infrastructure/output_adapters/dto/article_record.py
index 898bf7ab..1a884936 100644
--- a/src/infrastructure/output_adapters/dto/article_record.py
+++ b/src/infrastructure/output_adapters/dto/article_record.py
@@ -13,6 +13,7 @@ class ArticleRecord(BaseModel):
 
     article_author_id is nullable — None when the author account
     has been deleted (articles are preserved via ON DELETE SET NULL).
+    article_description is optional and defaults to an empty string.
     """
 
     model_config = ConfigDict(from_attributes=True)
@@ -20,6 +21,7 @@ class ArticleRecord(BaseModel):
     article_id: int
     article_author_id: int | None = None
     article_title: str
+    article_description: str = ""
     article_content: str
     article_published_at: datetime | None = None
 
@@ -34,6 +36,7 @@ def to_domain(self) -> Article:
             article_id=self.article_id,
             article_author_id=self.article_author_id,
             article_title=self.article_title,
+            article_description=self.article_description,
             article_content=self.article_content,
             article_published_at=self.article_published_at,
         )
diff --git a/src/infrastructure/output_adapters/in_memory/article_repository.py b/src/infrastructure/output_adapters/in_memory/article_repository.py
index 5ac30ad6..28bcb02a 100644
--- a/src/infrastructure/output_adapters/in_memory/article_repository.py
+++ b/src/infrastructure/output_adapters/in_memory/article_repository.py
@@ -85,3 +85,58 @@ def delete(self, article: Article) -> None:
         """
         if article.article_id in self._articles:
             del self._articles[article.article_id]
+
+    def search(self, query: str, page: int, per_page: int) -> list[Article]:
+        """
+        Searches articles by title or description using a case-insensitive
+        substring match against the in-memory dictionary.
+
+        Note: This in-memory implementation does NOT search by author
+        username. The production SQL adapter supports author search via
+        a JOIN on the accounts table.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+            page: The page number (1-indexed).
+            per_page: The number of items per page.
+
+        Returns:
+            A list of Article domain entities matching the search query
+            for the given page, ordered by publication date descending.
+        """
+        q = query.lower()
+        filtered = [
+            a for a in self._articles.values()
+            if q in a.article_title.lower()
+            or (a.article_description and q in a.article_description.lower())
+        ]
+        sorted_list = sorted(
+            filtered,
+            key=lambda a: a.article_published_at or datetime.min,
+            reverse=True,
+        )
+        start = (page - 1) * per_page
+        return sorted_list[start:start + per_page]
+
+    def count_search(self, query: str) -> int:
+        """
+        Counts articles matching a search query by title or description.
+
+        Note: This in-memory implementation does NOT search by author
+        username. The production SQL adapter supports author search via
+        a JOIN on the accounts table.
+
+        Args:
+            query: The search term to match against article titles
+                and descriptions.
+
+        Returns:
+            The total number of matching articles.
+        """
+        q = query.lower()
+        return sum(
+            1 for a in self._articles.values()
+            if q in a.article_title.lower()
+            or (a.article_description and q in a.article_description.lower())
+        )
diff --git a/src/infrastructure/output_adapters/sqlalchemy/models/sqlalchemy_article_model.py b/src/infrastructure/output_adapters/sqlalchemy/models/sqlalchemy_article_model.py
index 31ba50ff..64a52c0a 100644
--- a/src/infrastructure/output_adapters/sqlalchemy/models/sqlalchemy_article_model.py
+++ b/src/infrastructure/output_adapters/sqlalchemy/models/sqlalchemy_article_model.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 
-from sqlalchemy import TIMESTAMP, ForeignKey, Integer, Text, func
+from sqlalchemy import TIMESTAMP, ForeignKey, Integer, String, Text, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 from src.infrastructure.output_adapters.sqlalchemy.models.sqlalchemy_registry import SqlAlchemyModel
@@ -12,6 +12,8 @@ class ArticleModel(SqlAlchemyModel):
 
     article_author_id uses ON DELETE SET NULL to preserve articles
     when the author account is deleted (author becomes "Anonymous").
+    article_description is a VARCHAR(300) short summary displayed
+    in the article list view.
     """
 
     __tablename__ = "articles"
@@ -22,5 +24,8 @@ class ArticleModel(SqlAlchemyModel):
         nullable=True,
     )
     article_title: Mapped[str] = mapped_column(Text, nullable=False)
+    article_description: Mapped[str] = mapped_column(
+        String(300), nullable=False, server_default="", default="",
+    )
     article_content: Mapped[str] = mapped_column(Text, nullable=False)
     article_published_at: Mapped[datetime] = mapped_column(TIMESTAMP, server_default=func.now())
diff --git a/src/infrastructure/output_adapters/sqlalchemy/sqlalchemy_article_adapter.py b/src/infrastructure/output_adapters/sqlalchemy/sqlalchemy_article_adapter.py
index 447d8b4f..a79f3309 100644
--- a/src/infrastructure/output_adapters/sqlalchemy/sqlalchemy_article_adapter.py
+++ b/src/infrastructure/output_adapters/sqlalchemy/sqlalchemy_article_adapter.py
@@ -1,9 +1,10 @@
-from sqlalchemy import desc
+from sqlalchemy import desc, or_
 from sqlalchemy.orm import Session
 
 from src.application.domain.article import Article
 from src.application.output_ports.article_repository import ArticleRepository
 from src.infrastructure.output_adapters.dto.article_record import ArticleRecord
+from src.infrastructure.output_adapters.sqlalchemy.models.sqlalchemy_account_model import AccountModel
 from src.infrastructure.output_adapters.sqlalchemy.models.sqlalchemy_article_model import ArticleModel
 
 
@@ -80,6 +81,7 @@ def save(self, article: Article) -> None:
                 article_id=article.article_id,
             ).update({
                 ArticleModel.article_title: article.article_title,
+                ArticleModel.article_description: article.article_description,
                 ArticleModel.article_content: article.article_content,
             })
             self._session.commit()
@@ -88,6 +90,7 @@ def save(self, article: Article) -> None:
         model = ArticleModel()
         model.article_author_id = article.article_author_id
         model.article_title = article.article_title
+        model.article_description = article.article_description
         model.article_content = article.article_content
         self._session.add(model)
         self._session.commit()
@@ -135,3 +138,69 @@ def count_all(self) -> int:
             int: The total count of articles in the database.
         """
         return self._session.query(ArticleModel).count()
+
+    def search(self, query: str, page: int, per_page: int) -> list[Article]:
+        """
+        Searches articles by title, description, or author username using a
+        case-insensitive ILIKE match on the database.
+
+        Args:
+            query: The search term to match against article titles,
+                descriptions, or author usernames.
+            page: The page number (1-indexed).
+            per_page: The number of items per page.
+
+        Returns:
+            A list of Article domain entities matching the search query
+            for the given page, ordered by publication date descending.
+        """
+        like = f"%{query}%"
+        offset = (page - 1) * per_page
+        models = (
+            self._session.query(ArticleModel)
+            .outerjoin(
+                AccountModel,
+                ArticleModel.article_author_id == AccountModel.account_id,
+            )
+            .filter(
+                or_(
+                    ArticleModel.article_title.ilike(like),
+                    ArticleModel.article_description.ilike(like),
+                    AccountModel.account_username.ilike(like),
+                )
+            )
+            .order_by(desc(ArticleModel.article_published_at))
+            .offset(offset)
+            .limit(per_page)
+            .all()
+        )
+        return [self._to_domain(model) for model in models]
+
+    def count_search(self, query: str) -> int:
+        """
+        Counts articles matching a search query across title, description,
+        or author username.
+
+        Args:
+            query: The search term to match against article titles,
+                descriptions, or author usernames.
+
+        Returns:
+            The total number of articles matching the query.
+        """
+        like = f"%{query}%"
+        return (
+            self._session.query(ArticleModel)
+            .outerjoin(
+                AccountModel,
+                ArticleModel.article_author_id == AccountModel.account_id,
+            )
+            .filter(
+                or_(
+                    ArticleModel.article_title.ilike(like),
+                    ArticleModel.article_description.ilike(like),
+                    AccountModel.account_username.ilike(like),
+                )
+            )
+            .count()
+        )
diff --git a/tests/tests_infrastructure/tests_input_adapters/dto/test_article_request.py b/tests/tests_infrastructure/tests_input_adapters/dto/test_article_request.py
index c4b66cba..bfa50ff8 100644
--- a/tests/tests_infrastructure/tests_input_adapters/dto/test_article_request.py
+++ b/tests/tests_infrastructure/tests_input_adapters/dto/test_article_request.py
@@ -6,12 +6,12 @@
 
 class TestArticleRequest:
     def test_article_request_valid(self):
-        req = ArticleRequest(title="A", content="B")
+        req = ArticleRequest(title="A", content="B", description="")
         assert req.title == "A"
         assert req.content == "B"
 
     def test_article_request_with_whitespace(self):
-        req = ArticleRequest(title="  Spaced Title  ", content="   Some content.   ")
+        req = ArticleRequest(title="  Spaced Title  ", content="   Some content.   ", description="")
         assert req.title == "  Spaced Title  "
         assert req.content == "   Some content.   "
 
@@ -25,7 +25,7 @@ def test_content_is_required(self):
 
     def test_empty_strings_are_rejected(self):
         with pytest.raises(ValidationError):
-            ArticleRequest(title="", content="Valid content")
+            ArticleRequest(title="", content="Valid content", description="")
 
         with pytest.raises(ValidationError):
-            ArticleRequest(title="Valid Title", content="")
+            ArticleRequest(title="Valid Title", content="", description="")
diff --git a/tests/tests_infrastructure/tests_input_adapters/dto/test_article_response.py b/tests/tests_infrastructure/tests_input_adapters/dto/test_article_response.py
index df84438d..277dba40 100644
--- a/tests/tests_infrastructure/tests_input_adapters/dto/test_article_response.py
+++ b/tests/tests_infrastructure/tests_input_adapters/dto/test_article_response.py
@@ -11,6 +11,7 @@ def test_from_domain_conversion(self):
             article_id=1,
             article_author_id=10,
             article_title="Test Title",
+            article_description="A short description",
             article_content="Test Content with enough length for meta description generation purposes.",
             article_published_at=dt
         )
@@ -20,7 +21,8 @@ def test_from_domain_conversion(self):
         assert response.article_title == "Test Title"
         assert response.author_username == "JohnDoe"
         assert response.article_published_at == dt
-        assert "Test Content" in response.meta_description
+        assert response.article_description == "A short description"
+        assert response.meta_description == "A short description"
 
     def test_from_domain_with_null_date(self):
         domain_article = Article(
@@ -59,3 +61,14 @@ def test_from_domain_with_none_author_id(self):
         result = ArticleResponse.from_domain(domain_article, "Anonymous")
         assert result.article_author_id is None
         assert result.author_username == "Anonymous"
+
+    def test_from_domain_with_description(self):
+        dt = datetime(2023, 10, 27)
+        domain_article = Article(
+            article_id=1, article_author_id=10, article_title="Title",
+            article_description="My short description",
+            article_content="Content", article_published_at=dt
+        )
+        result = ArticleResponse.from_domain(domain_article, "yoda")
+        assert result.article_description == "My short description"
+        assert result.meta_description == "My short description"
diff --git a/tests/tests_infrastructure/tests_output_adapters/test_in_memory_adapters.py b/tests/tests_infrastructure/tests_output_adapters/test_in_memory_adapters.py
index 33513cec..72cf1dd3 100644
--- a/tests/tests_infrastructure/tests_output_adapters/test_in_memory_adapters.py
+++ b/tests/tests_infrastructure/tests_output_adapters/test_in_memory_adapters.py
@@ -80,6 +80,37 @@ def test_auto_increment_after_multiple_saves(self):
         assert account_3.article_id == 3
         assert repo.count_all() == 3
 
+    def test_search_by_title(self):
+        repo = InMemoryArticleRepository()
+        repo.save(Article(1, 1, "Learning BlockNote", "Content", datetime(2023, 1, 3)))
+        repo.save(Article(2, 1, "Python Tips", "Some python content", datetime(2023, 1, 2)))
+        repo.save(Article(3, 1, "Advanced BlockNote", "More content", datetime(2023, 1, 1)))
+        results = repo.search("BlockNote", page=1, per_page=10)
+        assert len(results) == 2
+        assert [a.article_id for a in results] == [1, 3]
+
+    def test_search_by_description(self):
+        repo = InMemoryArticleRepository()
+        repo.save(Article(1, 1, "Title A", "Content", datetime(2023, 1, 2), article_description="This is a great tutorial"))
+        repo.save(Article(2, 1, "Title B", "Content", datetime(2023, 1, 1)))
+        results = repo.search("tutorial", page=1, per_page=10)
+        assert len(results) == 1
+        assert results[0].article_id == 1
+
+    def test_search_count(self):
+        repo = InMemoryArticleRepository()
+        repo.save(Article(1, 1, "Python Guide", "Learn python", datetime(2023, 1, 3)))
+        repo.save(Article(2, 1, "JS Guide", "Learn javascript", datetime(2023, 1, 2)))
+        repo.save(Article(3, 1, "Rust Guide", "Learn rust", datetime(2023, 1, 1)))
+        assert repo.count_search("Guide") == 3
+        assert repo.count_search("Python") == 1
+        assert repo.count_search("Nonexistent") == 0
+
+    def test_search_no_match(self):
+        repo = InMemoryArticleRepository()
+        repo.save(Article(1, 1, "Title", "Content", datetime.now()))
+        assert repo.search("xyznonexistent", page=1, per_page=10) == []
+
 
 class TestInMemoryAccountRepository:
     def test_save_new_account(self):
diff --git a/tests/tests_infrastructure/tests_output_adapters/tests_sqlalchemy/test_sqlalchemy_article_adapter.py b/tests/tests_infrastructure/tests_output_adapters/tests_sqlalchemy/test_sqlalchemy_article_adapter.py
index daac1646..eb33c7c8 100644
--- a/tests/tests_infrastructure/tests_output_adapters/tests_sqlalchemy/test_sqlalchemy_article_adapter.py
+++ b/tests/tests_infrastructure/tests_output_adapters/tests_sqlalchemy/test_sqlalchemy_article_adapter.py
@@ -125,3 +125,42 @@ def test_returns_all_articles_sorted_newest_first(self):
     def test_returns_empty_list_when_no_articles(self):
         results = self.repository.get_all_ordered_by_date_desc()
         assert results == []
+
+
+class TestArticleSearch(SqlAlchemyArticleAdapterTestBase):
+    def test_search_by_author_name(self):
+        author = self.account_builder.create(username="john_doe", email="john@test.com")
+        self.article_builder.create(author_id=author.account_id, title="Post One")
+        self.article_builder.create(author_id=author.account_id, title="Post Two")
+        other = self.account_builder.create(username="jane_doe", email="jane@test.com")
+        self.article_builder.create(author_id=other.account_id, title="Jane Post")
+        results = self.repository.search("john", page=1, per_page=10)
+        assert len(results) == 2
+        assert all("Post" in a.article_title for a in results)
+
+    def test_search_by_author_case_insensitive(self):
+        author = self.account_builder.create(username="JohnDoe", email="johncase@test.com")
+        self.article_builder.create(author_id=author.account_id, title="Some Post")
+        results = self.repository.search("johndoe", page=1, per_page=10)
+        assert len(results) == 1
+
+    def test_search_by_author_no_match(self):
+        author = self.account_builder.create(username="alice", email="alice@test.com")
+        self.article_builder.create(author_id=author.account_id, title="Post")
+        results = self.repository.search("inexistant", page=1, per_page=10)
+        assert results == []
+
+    def test_search_title_still_works_with_join(self):
+        author = self.account_builder.create(username="someauthor", email="some@test.com")
+        self.article_builder.create(author_id=author.account_id, title="Unique Title")
+        self.article_builder.create(author_id=author.account_id, title="Other")
+        results = self.repository.search("Unique", page=1, per_page=10)
+        assert len(results) == 1
+        assert results[0].article_title == "Unique Title"
+
+    def test_count_search_by_author(self):
+        author = self.account_builder.create(username="bob", email="bob@test.com")
+        self.article_builder.create(author_id=author.account_id, title="Post 1")
+        self.article_builder.create(author_id=author.account_id, title="Post 2")
+        assert self.repository.count_search("bob") == 2
+        assert self.repository.count_search("alice") == 0
diff --git a/tests/tests_integration/test_article_integration.py b/tests/tests_integration/test_article_integration.py
index af24c06c..aad561da 100644
--- a/tests/tests_integration/test_article_integration.py
+++ b/tests/tests_integration/test_article_integration.py
@@ -1,3 +1,4 @@
+
 from datetime import datetime
 
 from src.infrastructure.output_adapters.sqlalchemy.models.sqlalchemy_account_model import AccountModel
@@ -183,3 +184,142 @@ def test_orphaned_article_graceful_display_integ(self, client, db_session):
                 assert response.status_code == 200
                 assert b"Ghost Story" in response.data
                 assert b"Unknown" in response.data or b"identifi" in response.data
+
+
+class TestArticleDescription:
+    """Tests for the article description field."""
+
+    def test_create_article_with_description_integ(self, client, db_session):
+        auth = AccountModel(
+            account_username="desc_author", account_email="desc@t.com",
+            account_password="p", account_role="author"
+        )
+        db_session.add(auth)
+        db_session.commit()
+        client.post("/login", data={"username": "desc_author", "password": "p"},
+                    follow_redirects=True)
+
+        resp = client.post("/api/articles", json={
+            "title": "Desc Test",
+            "description": "A short description",
+            "content": "Article body"
+        })
+        assert resp.status_code == 201
+        article_id = resp.get_json()["id"]
+
+        api_resp = client.get(f"/api/articles/{article_id}")
+        assert api_resp.status_code == 200
+        data = api_resp.get_json()
+        assert data["description"] == "A short description"
+
+    def test_create_article_without_description_integ(self, client, db_session):
+        auth = AccountModel(
+            account_username="no_desc", account_email="nd@t.com",
+            account_password="p", account_role="author"
+        )
+        db_session.add(auth)
+        db_session.commit()
+        client.post("/login", data={"username": "no_desc", "password": "p"},
+                    follow_redirects=True)
+
+        resp = client.post("/api/articles", json={
+            "title": "No Desc",
+            "description": "",
+            "content": "Article body"
+        })
+        assert resp.status_code == 201
+        article_id = resp.get_json()["id"]
+
+        api_resp = client.get(f"/api/articles/{article_id}")
+        data = api_resp.get_json()
+        assert data["description"] == ""
+
+    def test_description_shown_in_detail_template(self, client, db_session):
+        auth = AccountModel(
+            account_username="desc_detail", account_email="dd@t.com",
+            account_password="p", account_role="author"
+        )
+        db_session.add(auth)
+        db_session.commit()
+        client.post("/login", data={"username": "desc_detail", "password": "p"},
+                    follow_redirects=True)
+
+        resp = client.post("/api/articles", json={
+            "title": "Detail Desc",
+            "description": "Visible in detail",
+            "content": "Content"
+        })
+        article_id = resp.get_json()["id"]
+
+        detail_resp = client.get(f"/articles/{article_id}")
+        assert detail_resp.status_code == 200
+        assert b"Visible in detail" in detail_resp.data
+
+    def test_update_article_description(self, client, db_session):
+        auth = AccountModel(
+            account_username="update_desc", account_email="ud@t.com",
+            account_password="p", account_role="author"
+        )
+        db_session.add(auth)
+        db_session.commit()
+        client.post("/login", data={"username": "update_desc", "password": "p"},
+                    follow_redirects=True)
+
+        create_resp = client.post("/api/articles", json={
+            "title": "Update Desc", "description": "Old desc", "content": "Body"
+        })
+        article_id = create_resp.get_json()["id"]
+
+        put_resp = client.put(f"/api/articles/{article_id}", json={
+            "title": "Update Desc", "description": "New desc", "content": "Body"
+        })
+        assert put_resp.status_code == 200
+
+        get_resp = client.get(f"/api/articles/{article_id}")
+        assert get_resp.get_json()["description"] == "New desc"
+
+    def test_description_shown_in_list_template(self, client, db_session):
+        auth = AccountModel(
+            account_username="desc_list", account_email="dl@t.com",
+            account_password="p", account_role="author"
+        )
+        db_session.add(auth)
+        db_session.commit()
+        client.post("/login", data={"username": "desc_list", "password": "p"},
+                    follow_redirects=True)
+
+        client.post("/api/articles", json={
+            "title": "List Desc", "description": "Seen in list", "content": "Body"
+        })
+
+        list_resp = client.get("/")
+        assert list_resp.status_code == 200
+        assert b"Seen in list" in list_resp.data
+
+
+class TestArticleSearch:
+    def test_search_by_author_via_list_endpoint(self, client, db_session):
+        auth = AccountModel(
+            account_username="searchable_author",
+            account_email="sa@test.com",
+            account_password="p",
+            account_role="author",
+        )
+        db_session.add(auth)
+        db_session.commit()
+
+        art = ArticleModel(
+            article_title="Author Search Test",
+            article_content="Content",
+            article_author_id=auth.account_id,
+        )
+        db_session.add(art)
+        db_session.commit()
+
+        resp = client.get("/?q=searchable")
+        assert resp.status_code == 200
+        assert b"Author Search Test" in resp.data
+
+        resp_no_match = client.get("/?q=nonexistentuser")
+        assert resp_no_match.status_code == 200
+        assert b"No articles" in resp_no_match.data
diff --git a/tests/tests_integration/test_security_integration.py b/tests/tests_integration/test_security_integration.py
index 48c616fc..788eac90 100644
--- a/tests/tests_integration/test_security_integration.py
+++ b/tests/tests_integration/test_security_integration.py
@@ -59,16 +59,15 @@ def test_blocknote_article_xss_sanitized(self, client, db_session):
         client.post("/login", data={"username": "xss_bn", "password": "p"},
                     follow_redirects=True)
 
-        xss_content = json.dumps({
-            "type": "doc",
-            "content": [{
+        xss_content = json.dumps([
+            {
                 "type": "paragraph",
                 "content": [{
                     "type": "text",
                     "text": "<script>alert('xss')</script>"
                 }]
-            }]
-        })
+            }
+        ])
 
         resp = client.post("/api/articles", json={
             "title": "XSS BlockNote Test",
diff --git a/tests/tests_services/test_article_service.py b/tests/tests_services/test_article_service.py
index cf885f95..2455c572 100644
--- a/tests/tests_services/test_article_service.py
+++ b/tests/tests_services/test_article_service.py
@@ -48,6 +48,23 @@ def test_create_article_success(self):
         assert result.article_title == "My First Article"
         assert result.article_content == "Hello World !"
         assert result.article_author_id == fake_account.account_id
+        assert result.article_description == ""
+
+    def test_create_article_with_description(self):
+        fake_account = create_test_account(account_role=AccountRole.ADMIN)
+        self.mock_account_repo.get_by_id.return_value = fake_account
+
+        result = self.service.create_article(
+            title="Desc Article",
+            content="Content",
+            author_id=fake_account.account_id,
+            author_role=fake_account.account_role,
+            description="Short description",
+        )
+
+        assert isinstance(result, Article)
+        assert result.article_description == "Short description"
+        self.mock_article_repo.save.assert_called_once()
 
     def test_create_article_unauthorized_role(self):
         fake_account = create_test_account(