mobile: hamburger drawer (right-side slide-out)

≤480px gets a hamburger button in the topbar and a fixed slide-out
panel from the right edge (width min(82vw, 320px)). The topbar keeps
only brand + tone toggle + hamburger visible; nav and the
header-right widgets (theme, lang, user menu, version meta) move
into the drawer.

Markup change: nav and .header-right are now wrapped in
.mobile-drawer, which is display:contents on desktop (no layout
effect) and a fixed translateX panel on mobile. The user-menu
dropdown chip hides on mobile and its links surface flat inside the
drawer.

JS: ~50 lines of vanilla. Tap hamburger / backdrop / ESC / swipe-
right-on-drawer all close. Clicking a nav link inside the drawer
closes it after the navigation kicks off so the panel doesn't linger
on the next page.

CSS: per-file @media block at the bottom of layout.css per the
agreed-upon organisation.
This commit is contained in:
Giorgio Gilestro 2026-05-28 18:36:37 +02:00
parent 4c1793e4e9
commit 2b3ea33884
2 changed files with 292 additions and 45 deletions

View file

@ -207,57 +207,78 @@
<header class="app-header">
<a href="/" class="brand" aria-label="Dashboard">{{ BRAND_NAME }}</a>
{% if BETA_MODE %}<span class="beta-chip" title="Beta — feedback welcome at hello@read.markets">BETA</span>{% endif %}
<nav>
<a href="/" class="{% if request.url.path == '/' %}active{% endif %}">Dashboard</a>
<a href="/news" class="{% if request.url.path == '/news' %}active{% endif %}">News</a>
<a href="/log" class="{% if request.url.path.startswith('/log') %}active{% endif %}">Log</a>
</nav>
<div class="header-right">
<div id="tone-toggle" class="tone-toggle" data-tone="INTERMEDIATE"
role="group" aria-label="Explanation level">
<button type="button" data-value="NOVICE"
onclick="cassandraSetTone('NOVICE')">Novice</button>
<button type="button" data-value="INTERMEDIATE"
onclick="cassandraSetTone('INTERMEDIATE')">Intermediate</button>
</div>
<button class="theme-toggle" type="button" aria-label="Toggle theme"
onclick="cassandraToggleTheme()">
<span class="theme-toggle__label"></span>
</button>
{% set cu = request.state.current_user if request.state and request.state.current_user is defined else None %}
{% if cu and cu.user %}
<div id="lang-toggle" class="lang-toggle" data-lang="{{ cu.user.lang or 'en' }}"
role="group" aria-label="AI output language"
title="Language the AI uses for the log, digest and portfolio commentary">
<button type="button" data-value="en"
onclick="cassandraSetLang('en')">EN</button>
<button type="button" data-value="it"
onclick="cassandraSetLang('it')">IT</button>
</div>
{% endif %}
{% if cu and (cu.user or cu.is_admin) %}
<div class="user-menu">
<button type="button" id="user-menu-toggle" class="user-chip"
aria-haspopup="true" aria-expanded="false">
{% if cu.user %}{{ cu.user.email }}{% else %}admin{% endif %}
<span class="user-menu__caret"></span>
{# Tone toggle is the one widget we keep visible in the mobile
header even when the drawer is closed — it directly affects the
readability of the content right next to it. #}
<div id="tone-toggle" class="tone-toggle tone-toggle--header" data-tone="INTERMEDIATE"
role="group" aria-label="Explanation level">
<button type="button" data-value="NOVICE"
onclick="cassandraSetTone('NOVICE')">Novice</button>
<button type="button" data-value="INTERMEDIATE"
onclick="cassandraSetTone('INTERMEDIATE')">Intermediate</button>
</div>
{# Mobile hamburger — shown only at ≤480px via CSS. #}
<button type="button" id="drawer-toggle" class="drawer-toggle"
aria-label="Open menu" aria-controls="mobile-drawer" aria-expanded="false">
<span class="drawer-toggle__bar"></span>
<span class="drawer-toggle__bar"></span>
<span class="drawer-toggle__bar"></span>
</button>
{# Wrapper: display:contents on desktop (zero layout effect), fixed
slide-out panel on mobile. Holds nav + header-right widgets. #}
<div id="mobile-drawer" class="mobile-drawer">
<nav>
<a href="/" class="{% if request.url.path == '/' %}active{% endif %}">Dashboard</a>
<a href="/news" class="{% if request.url.path == '/news' %}active{% endif %}">News</a>
<a href="/log" class="{% if request.url.path.startswith('/log') %}active{% endif %}">Log</a>
</nav>
<div class="header-right">
<button class="theme-toggle" type="button" aria-label="Toggle theme"
onclick="cassandraToggleTheme()">
<span class="theme-toggle__label"></span>
</button>
<div id="user-menu" class="user-menu__panel" role="menu" hidden>
{% if cu.user %}
<a href="/settings" role="menuitem" class="user-menu__item">Settings</a>
{% endif %}
<a href="/pricing" role="menuitem" class="user-menu__item">Pricing</a>
<a href="/terms" role="menuitem" class="user-menu__item">Terms</a>
<a href="/privacy" role="menuitem" class="user-menu__item">Privacy</a>
<a href="/disclaimer" role="menuitem" class="user-menu__item">Disclaimer</a>
<a href="/logout" role="menuitem" class="user-menu__item">Logout</a>
{% set cu = request.state.current_user if request.state and request.state.current_user is defined else None %}
{% if cu and cu.user %}
<div id="lang-toggle" class="lang-toggle" data-lang="{{ cu.user.lang or 'en' }}"
role="group" aria-label="AI output language"
title="Language the AI uses for the log, digest and portfolio commentary">
<button type="button" data-value="en"
onclick="cassandraSetLang('en')">EN</button>
<button type="button" data-value="it"
onclick="cassandraSetLang('it')">IT</button>
</div>
{% endif %}
{% if cu and (cu.user or cu.is_admin) %}
<div class="user-menu">
<button type="button" id="user-menu-toggle" class="user-chip"
aria-haspopup="true" aria-expanded="false">
{% if cu.user %}{{ cu.user.email }}{% else %}admin{% endif %}
<span class="user-menu__caret"></span>
</button>
<div id="user-menu" class="user-menu__panel" role="menu" hidden>
{% if cu.user %}
<a href="/settings" role="menuitem" class="user-menu__item">Settings</a>
{% endif %}
<a href="/pricing" role="menuitem" class="user-menu__item">Pricing</a>
<a href="/terms" role="menuitem" class="user-menu__item">Terms</a>
<a href="/privacy" role="menuitem" class="user-menu__item">Privacy</a>
<a href="/disclaimer" role="menuitem" class="user-menu__item">Disclaimer</a>
<a href="/logout" role="menuitem" class="user-menu__item">Logout</a>
</div>
</div>
{% endif %}
<span class="meta">v0.1 · UTC</span>
</div>
{% endif %}
<span class="meta">v0.1 · UTC</span>
</div>
</header>
{# Drawer backdrop. Hidden by default; CSS shows it when
body.drawer-open is set. Click closes the drawer. #}
<div id="drawer-backdrop" class="drawer-backdrop" hidden></div>
<script>
(function () {
var btn = document.getElementById('user-menu-toggle');
@ -278,6 +299,56 @@
})();
</script>
<script>
// Mobile drawer (hamburger → right-side slide-out panel). The CSS
// gates visibility of #drawer-toggle to ≤480px, so on desktop this
// wiring is harmless — the click handler is attached but nobody
// can fire it.
(function () {
var btn = document.getElementById('drawer-toggle');
var drawer = document.getElementById('mobile-drawer');
var backdrop = document.getElementById('drawer-backdrop');
if (!btn || !drawer || !backdrop) return;
function open() {
document.body.classList.add('drawer-open');
backdrop.hidden = false;
btn.setAttribute('aria-expanded', 'true');
}
function close() {
document.body.classList.remove('drawer-open');
backdrop.hidden = true;
btn.setAttribute('aria-expanded', 'false');
}
btn.addEventListener('click', function () {
if (document.body.classList.contains('drawer-open')) close(); else open();
});
backdrop.addEventListener('click', close);
document.addEventListener('keydown', function (e) {
if (e.key === 'Escape' && document.body.classList.contains('drawer-open')) close();
});
// Swipe-right inside the drawer closes — small native feel.
// Tracks pointer down then up; if the user moves >40px right
// and stays within 60° of horizontal, treat as a close gesture.
var startX = null, startY = null;
drawer.addEventListener('pointerdown', function (e) {
if (!document.body.classList.contains('drawer-open')) return;
startX = e.clientX; startY = e.clientY;
});
drawer.addEventListener('pointerup', function (e) {
if (startX === null) return;
var dx = e.clientX - startX;
var dy = Math.abs(e.clientY - startY);
startX = startY = null;
if (dx > 40 && dy < dx * 0.6) close();
});
// If a nav link inside the drawer is clicked, close after the
// navigation kicks off so the panel doesn't linger on the next page.
drawer.addEventListener('click', function (e) {
if (e.target.tagName === 'A') close();
});
})();
</script>
<main class="app-main">
{% block main %}{% endblock %}
</main>