diff --git a/docs/README.md b/docs/README.md
index db2716e8..dba73d56 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -81,3 +81,5 @@ symlinks. Include `${sphinxdoc:Depends}` in the package dependencies and
 A built-in theme is still selectable with `-D html_theme=classic` if a
 packager needs a different layout. The old RST content has existing build
 diagnostics; changing the theme does not suppress or alter them.
+
+Shared website chrome is in `_static/css/zoitechat-site.css`, copied from the main site. Keep that readable stylesheet in sync when changing the shared header, navigation, typography, or colours.
diff --git a/docs/_static/css/zoitechat-docs.css b/docs/_static/css/zoitechat-docs.css
index b6b1abb9..a2ceb51c 100644
--- a/docs/_static/css/zoitechat-docs.css
+++ b/docs/_static/css/zoitechat-docs.css
@@ -802,3 +802,42 @@ a.headerlink:focus-visible {
         color: #000000 !important;
     }
 }
+
+/* The shared site stylesheet owns the page shell and primary navigation. */
+:root {
+    --page: var(--bg);
+    --panel: var(--chrome);
+    --font: system-ui, -apple-system, "Segoe UI", sans-serif;
+}
+.site-header { padding: 0; }
+.appearance select { min-height: 0; border-radius: 3px; }
+.docs-layout {
+    width: min(1040px, calc(100% - 48px));
+    grid-template-columns: minmax(0, 1fr) 220px;
+    gap: 40px;
+    padding-block: 28px 20px;
+}
+.docs-content { grid-column: 1; grid-row: 1; }
+.docs-sidebar {
+    grid-column: 2;
+    grid-row: 1;
+    padding: 3px 0 0;
+    border: 0;
+}
+.site-footer { display: block; }
+.site-footer .footer-links { gap: 5px 14px; }
+.docs-location { width: 100%; margin-top: 0; margin-bottom: 20px; }
+@media (max-width: 800px) {
+    .docs-layout { grid-template-columns: minmax(0, 1fr) 185px; gap: 26px; }
+}
+@media (max-width: 760px) {
+    .docs-layout { display: block; }
+}
+@media (max-width: 600px) {
+    .docs-layout { width: calc(100% - 30px); padding-top: 23px; }
+}
+@media print {
+    .docs-layout, .docs-layout.no-sidebar { width: 100%; padding: 0; }
+}
+
+.site-footer, .footer-grid { font-size: inherit; color: inherit; }
diff --git a/docs/_static/css/zoitechat-site.css b/docs/_static/css/zoitechat-site.css
new file mode 100644
index 00000000..1b0951ca
--- /dev/null
+++ b/docs/_static/css/zoitechat-site.css
@@ -0,0 +1,526 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Shared chrome copied from ZoiteChat/site assets/css/site.css (1df996a). */
+:root {
+    color-scheme: light;
+    --bg: #fff;
+    --surface: #fff;
+    --chrome: #f1f2f3;
+    --chrome2: #e3e5e7;
+    --text: #25282c;
+    --muted: #58616b;
+    --line: #bdc3c9;
+    --soft-line: #dce0e4;
+    --blue: #215a9e;
+    --link: #174f92;
+    --selection: #e6effa;
+    --success: #236741;
+    --code: #f2f4f6;
+    --shadow: none;
+    --mono: Consolas,"Liberation Mono",monospace;
+}
+
+html[data-theme=dark] {
+    color-scheme: dark;
+    --bg: #111416;
+    --surface: #191c1f;
+    --chrome: #25292d;
+    --chrome2: #30353a;
+    --text: #eef0f2;
+    --muted: #b2bbc4;
+    --line: #50575e;
+    --soft-line: #353c43;
+    --blue: #2865a8;
+    --link: #8dc0ff;
+    --selection: #233951;
+    --success: #92d5ab;
+    --code: #111518;
+    --shadow: none;
+}
+
+* {
+    box-sizing: border-box;
+}
+
+body {
+    margin: 0;
+    background: var(--bg);
+    color: var(--text);
+    font: 15px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;
+}
+
+a {
+    color: var(--link);
+    text-underline-offset: 3px;
+}
+
+a:hover {
+    text-decoration: underline;
+}
+
+button, input, select {
+    font: inherit;
+}
+
+button, summary {
+    cursor: pointer;
+}
+
+img {
+    display: block;
+    max-width: 100%;
+    height: auto;
+}
+
+button, a, input, select, summary {
+    touch-action: manipulation;
+}
+
+:focus-visible {
+    outline: 3px solid var(--link);
+    outline-offset: 3px;
+}
+
+[hidden] {
+    display: none!important;
+}
+
+.sr-only {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip-path: inset(50%);
+    white-space: nowrap;
+    border: 0;
+}
+
+.skip-link {
+    position: absolute;
+    left: 12px;
+    top: -100px;
+    z-index: 10;
+    padding: 10px;
+    background: var(--surface);
+}
+
+.skip-link:focus {
+    top: 12px;
+}
+
+.topbar {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 20px;
+    padding: 0 0 16px;
+    background: var(--surface);
+    border-bottom: 1px solid var(--line);
+    border: 0;
+}
+
+.brand {
+    display: flex;
+    gap: 12px;
+    align-items: center;
+    color: var(--text);
+    text-decoration: none;
+}
+
+.brand img {
+    width: 38px;
+    height: 42px;
+}
+
+.brand strong {
+    font-size: 28px;
+    letter-spacing: -.8px;
+    font-weight: 650;
+}
+
+.brand small {
+    display: block;
+    font-size: 12px;
+    color: var(--muted);
+    line-height: 1.2;
+}
+
+.appearance {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    font-size: 11px;
+    color: var(--muted);
+}
+
+select {
+    border: 1px solid var(--line);
+    border-radius: 3px;
+    padding: 5px 8px;
+    background: var(--surface);
+    color: var(--text);
+}
+
+.navigation {
+    display: flex;
+    align-items: center;
+    justify-content: flex-start;
+    gap: 12px;
+    background: var(--chrome);
+    border-bottom: 1px solid var(--line);
+    padding: 0;
+    border: 1px solid var(--line);
+    border-radius: 0;
+}
+
+.nav-links {
+    display: flex;
+    align-items: stretch;
+    flex-wrap: wrap;
+    gap: 0;
+}
+
+.nav-links>a, .nav-menu summary {
+    display: flex;
+    align-items: center;
+    min-height: 36px;
+    padding: 6px 15px;
+    color: var(--text);
+    font-size: 13px;
+    text-decoration: none;
+    border-bottom: 0;
+}
+
+.nav-links>a[aria-current=page] {
+    color: #fff;
+    border-bottom-color: var(--blue);
+    font-weight: 500;
+    background: var(--blue);
+}
+
+.nav-links>a:hover, .nav-menu summary:hover {
+    background: var(--selection);
+}
+
+.nav-menu {
+    position: relative;
+}
+
+.nav-menu summary {
+    list-style: none;
+}
+
+.nav-menu summary::after {
+    content: "⌄";
+    margin-left: 9px;
+}
+
+.nav-menu summary::-webkit-details-marker {
+    display: none;
+}
+
+.nav-menu-panel {
+    position: absolute;
+    right: 0;
+    top: 100%;
+    z-index: 5;
+    min-width: 280px;
+    background: var(--surface);
+    border: 1px solid var(--line);
+    box-shadow: var(--shadow);
+    padding: 5px;
+}
+
+.nav-menu-panel a {
+    display: block;
+    padding: 10px 12px;
+    text-decoration: none;
+}
+
+.nav-menu-panel a:hover {
+    background: var(--selection);
+}
+
+.nav-menu-panel span {
+    display: block;
+    font-size: 12px;
+    color: var(--muted);
+}
+
+.site-main {
+    min-height: 0;
+}
+
+h1, h2, h3, p {
+    margin-top: 0;
+}
+
+h1 {
+    font-size: clamp(30px,3.9vw,46px);
+    line-height: 1.16;
+    letter-spacing: -1.5px;
+    font-weight: 650;
+    margin-bottom: 20px;
+}
+
+h2 {
+    font-size: 20px;
+    line-height: 1.3;
+    letter-spacing: 0;
+    margin-bottom: 12px;
+}
+
+h3 {
+    font-size: 16px;
+    line-height: 1.4;
+}
+
+p {
+    color: var(--text);
+    font-size: 14px;
+    line-height: 1.7;
+    margin-bottom: 15px;
+}
+
+.site-footer {
+    padding: 17px 0;
+    background: var(--surface);
+    border-top: 1px solid var(--line);
+}
+
+.footer-grid {
+    display: flex;
+    align-items: start;
+    justify-content: space-between;
+    gap: 20px;
+}
+
+.footer-copy {
+    font-size: 11px;
+    max-width: 62ch;
+    margin: 0;
+    color: var(--muted);
+}
+
+.footer-links {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 5px 14px;
+    max-width: 400px;
+    font-size: 11px;
+}
+
+@media (max-width:1000px) {
+.navigation {
+        padding: 0 15px;
+    }
+
+.nav-links>a, .nav-menu summary {
+        padding: 8px 10px;
+    }
+}
+
+@media (max-width:650px) {
+.topbar {
+        padding: 13px 16px;
+        gap: 8px;
+    }
+
+.brand strong {
+        font-size: 20px;
+    }
+
+.brand small {
+        font-size: 10px;
+    }
+
+.brand img {
+        width: 28px;
+        height: 31px;
+    }
+
+.appearance {
+        gap: 5px;
+    }
+
+.appearance>span {
+        display: none;
+    }
+
+.appearance select {
+        font-size: 12px;
+        max-width: 98px;
+    }
+
+.navigation {
+        padding: 0 6px;
+    }
+
+.nav-links {
+        gap: 0;
+    }
+
+.nav-links>a, .nav-menu summary {
+        min-height: 44px;
+        padding: 8px;
+        font-size: 12px;
+    }
+
+h1 {
+        font-size: 34px;
+        letter-spacing: -1px;
+    }
+
+.footer-grid {
+        display: grid;
+        gap: 20px;
+    }
+
+.site-footer {
+        padding: 20px 17px;
+    }
+
+.nav-menu-panel {
+        position: fixed;
+        right: 10px;
+        left: 10px;
+        top: auto;
+        min-width: 0;
+    }
+}
+
+@media (prefers-reduced-motion:reduce) {
+* {
+        scroll-behavior: auto!important;
+    }
+}
+
+.appearance select {
+    font-size: 12px;
+    padding: 3px 7px;
+}
+
+.nav-links>a:hover {
+    background: var(--selection);
+    color: var(--link);
+}
+
+h1 {
+    font-size: 28px;
+    font-weight: 600;
+    letter-spacing: -.5px;
+    line-height: 1.3;
+    margin: 0 0 16px;
+    max-width: none;
+}
+
+@media (max-width:1100px) {
+.navigation {
+        padding: 0;
+    }
+}
+
+@media (max-width:800px) {
+.nav-links>a, .nav-menu summary {
+        padding: 6px 10px;
+    }
+}
+
+@media (max-width:600px) {
+.topbar {
+        padding: 0 0 14px;
+    }
+
+.brand strong {
+        font-size: 25px;
+    }
+
+.brand img {
+        width: 32px;
+        height: 36px;
+    }
+
+.nav-links>a, .nav-menu summary {
+        padding: 7px 9px;
+        min-height: 38px;
+        font-size: 12px;
+    }
+
+.footer-grid {
+        display: block;
+    }
+
+.footer-links {
+        margin-top: 10px;
+        max-width: none;
+    }
+
+.site-footer {
+        padding: 14px 0;
+    }
+
+h1 {
+        font-size: 26px;
+    }
+}
+
+@media (prefers-color-scheme: dark) {
+:root:not([data-theme]) {
+        color-scheme: dark;
+        --bg: #111416;
+        --surface: #191c1f;
+        --chrome: #25292d;
+        --chrome2: #30353a;
+        --text: #eef0f2;
+        --muted: #b2bbc4;
+        --line: #50575e;
+        --soft-line: #353c43;
+        --blue: #2865a8;
+        --link: #8dc0ff;
+        --selection: #233951;
+        --success: #92d5ab;
+        --code: #111518;
+        --shadow: none;
+    }
+}
+
+.site-header, .site-main, .site-footer {
+    width: min(1040px, calc(100% - 48px));
+    margin-inline: auto;
+}
+
+.site-header {
+    margin-top: 32px;
+}
+
+.site-main {
+    padding-block: 28px 20px;
+}
+
+.site-header .topbar {
+    padding: 0 0 16px;
+}
+
+.site-header .navigation {
+    padding: 0;
+}
+
+@media (max-width: 600px) {
+.site-header, .site-main, .site-footer {
+        width: calc(100% - 30px);
+    }
+
+.site-header {
+        margin-top: 18px;
+    }
+
+.site-main {
+        padding-top: 23px;
+    }
+}
+
+/* Match the browser's heading defaults used by the main site. */
+h2, h3 { font-weight: bold; }
+h2 { margin-top: .83em; }
+h3 { margin-block: 1em; }
diff --git a/docs/_theme/zoitechat/layout.html b/docs/_theme/zoitechat/layout.html
index e8fe1b61..4015e4f6 100644
--- a/docs/_theme/zoitechat/layout.html
+++ b/docs/_theme/zoitechat/layout.html
@@ -27,30 +27,23 @@
                 </select>
             </label>
         </div>
-        <nav class="site-nav" aria-label="{{ _('Primary navigation') }}">
-            <a href="{{ zoite_site_url|e }}">{{ _('Home') }}</a>
-            <a href="{{ zoite_download_url|e }}">{{ _('Downloads') }}</a>
-            <a href="{{ zoite_addons_url|e }}">{{ _('Addons') }}</a>
-            <a class="selected" href="{{ pathto(docs_root)|e }}" aria-current="location">{{ _('Documentation') }}</a>
-            <a href="{{ zoite_atlas_url|e }}">{{ _('Atlas') }}</a>
-            {% if hasdoc('genindex') %}<a href="{{ pathto('genindex')|e }}">{{ _('Index') }}</a>{% endif %}
-            <details class="support-menu">
-                <summary>{{ _('IRC support') }}</summary>
-                <div class="support-links">
-                    <a href="{{ zoite_irc_url|e }}">{{ _('Zoite IRC') }}<small>#zoitechat · {{ _('Official support') }}</small></a>
-                    <a href="{{ libera_irc_url|e }}">{{ _('Libera.Chat') }}<small>#zoitechat</small></a>
-                </div>
-            </details>
-        </nav>
-        <div class="docs-location">
-            <nav aria-label="{{ _('Breadcrumbs') }}">
-                <a href="{{ pathto(docs_root)|e }}">{{ _('Documentation') }}</a>
-                {% for parent in parents %}
-                    <span aria-hidden="true">/</span> <a href="{{ parent.link|e }}">{{ parent.title }}</a>
-                {% endfor %}
-                {% if pagename != docs_root %}<span aria-hidden="true">/</span> <span>{{ title|striptags|e }}</span>{% endif %}
+        <div class="navigation">
+            <nav class="nav-links" aria-label="{{ _('Primary') }}">
+                <a href="{{ zoite_site_url|e }}">{{ _('Home') }}</a>
+                <a href="{{ zoite_download_url|e }}">{{ _('Downloads') }}</a>
+                <a href="{{ zoite_addons_url|e }}">{{ _('Addons') }}</a>
+                <a href="{{ zoite_announcements_url|e }}">{{ _('Announcements') }}</a>
+                <a href="{{ pathto(docs_root)|e }}" aria-current="page">{{ _('Documentation') }}</a>
+                <a href="{{ zoite_atlas_url|e }}">{{ _('Atlas') }}</a>
+                <a href="{{ zoite_github_url|e }}" target="_blank" rel="noopener">{{ _('GitHub') }}</a>
+                <details class="nav-menu">
+                    <summary>{{ _('IRC support') }}</summary>
+                    <div class="nav-menu-panel" aria-label="{{ _('IRC support channels') }}">
+                        <a href="{{ zoite_irc_url|e }}" target="_blank" rel="noopener"><strong>{{ _('Zoite IRC') }}</strong><span>{{ _('Official support') }} · #zoitechat</span></a>
+                        <a href="{{ libera_irc_url|e }}" target="_blank" rel="noopener"><strong>{{ _('Libera.Chat') }}</strong><span>{{ _('Secondary support') }} · #zoitechat</span></a>
+                    </div>
+                </details>
             </nav>
-            <span class="docs-version">{{ release|e }}</span>
         </div>
     </header>
 {% endblock %}
@@ -73,6 +66,17 @@
             </aside>
         {% endif %}
         <main class="docs-content" id="main-content" tabindex="-1">
+            <div class="docs-location">
+                <nav aria-label="{{ _('Breadcrumbs') }}">
+                    <a href="{{ pathto(docs_root)|e }}">{{ _('Documentation') }}</a>
+                    {% for parent in parents %}
+                        <span aria-hidden="true">/</span> <a href="{{ parent.link|e }}">{{ parent.title }}</a>
+                    {% endfor %}
+                    {% if pagename != docs_root %}<span aria-hidden="true">/</span> <span>{{ title|striptags|e }}</span>{% endif %}
+                </nav>
+                <span class="docs-version">{{ release|e }}</span>
+            </div>
+
             {% block body %}{% endblock %}
             {% if prev or next %}
                 <nav class="page-relations" aria-label="{{ _('Related pages') }}">
@@ -90,13 +94,15 @@
 
 {% block footer %}
     <footer class="site-footer">
-        <span>{{ project|e }} {{ _('documentation') }} · {{ release|e }}</span>
-        <nav aria-label="{{ _('Footer navigation') }}">
-            <a href="{{ pathto(docs_root)|e }}">{{ _('Contents') }}</a>
-            <a href="{{ zoite_atlas_url|e }}">{{ _('Atlas') }}</a>
-            {% if hasdoc('search') %}<a href="{{ pathto('search')|e }}">{{ _('Search') }}</a>{% endif %}
-            {% if hasdoc('genindex') %}<a href="{{ pathto('genindex')|e }}">{{ _('Index') }}</a>{% endif %}
-            <a href="#top">{{ _('Back to top') }}</a>
-        </nav>
+        <div class="footer-grid">
+            <p class="footer-copy">{{ project|e }} {{ _('documentation') }} · {{ release|e }}</p>
+            <nav class="footer-links" aria-label="{{ _('Footer navigation') }}">
+                <a href="{{ pathto(docs_root)|e }}">{{ _('Contents') }}</a>
+                <a href="{{ zoite_atlas_url|e }}">{{ _('Atlas') }}</a>
+                {% if hasdoc('search') %}<a href="{{ pathto('search')|e }}">{{ _('Search') }}</a>{% endif %}
+                {% if hasdoc('genindex') %}<a href="{{ pathto('genindex')|e }}">{{ _('Index') }}</a>{% endif %}
+                <a href="#top">{{ _('Back to top') }}</a>
+            </nav>
+        </div>
     </footer>
 {% endblock %}
diff --git a/docs/conf.py b/docs/conf.py
index e3c09b54..9d66f3bc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -127,6 +127,8 @@ html_context = {
     'zoite_site_url': 'https://zoitechat.org/',
     'zoite_download_url': 'https://zoitechat.org/download.php',
     'zoite_addons_url': 'https://zoitechat.org/addons.php',
+    'zoite_announcements_url': 'https://zoitechat.org/announcements.php',
+    'zoite_github_url': 'https://github.com/ZoiteChat/zoitechat',
     'zoite_atlas_url': 'https://atlas.zoitechat.org/',
     'zoite_irc_url': 'https://zoite.net/webchat/?join=%23zoitechat',
     'libera_irc_url': 'https://web.libera.chat/#zoitechat',
@@ -147,7 +149,7 @@ html_favicon = '_static/favicon.ico'
 html_static_path = ['_static']
 
 # Local, readable assets shared by hosted and offline HTML documentation.
-html_css_files = ['css/zoitechat-docs.css']
+html_css_files = ['css/zoitechat-docs.css', 'css/zoitechat-site.css']
 html_js_files = ['js/zoitechat-docs.js']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,