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

@ -51,7 +51,46 @@ a:hover { text-decoration: underline; }
.app-header nav a.active { color: var(--text); }
.app-header .meta { color: var(--muted); font-size: 11px; }
/* On desktop the mobile-drawer wrapper has no layout effect its
* children (nav, header-right) flow as if it weren't there. On mobile
* the @media block at the bottom converts it to a fixed slide-out. */
.mobile-drawer { display: contents; }
.app-header .header-right { display: flex; align-items: center; gap: 14px; }
/* Hamburger button only visible at 480px (rule in the mobile block).
* Three thin bars; uses the same border/muted treatment as the other
* header buttons so the visual rhythm matches. */
.drawer-toggle {
display: none;
background: transparent;
border: 1px solid var(--border);
cursor: pointer;
padding: 6px 8px;
width: 36px;
height: 32px;
flex-direction: column;
justify-content: space-between;
align-items: stretch;
}
.drawer-toggle:hover { border-color: var(--accent); }
.drawer-toggle__bar {
display: block;
height: 2px;
background: var(--muted);
width: 100%;
}
.drawer-toggle:hover .drawer-toggle__bar { background: var(--accent); }
.drawer-backdrop {
position: fixed;
inset: 0;
background: rgba(0, 0, 0, 0.4);
z-index: 90;
opacity: 0;
transition: opacity 120ms ease-out;
}
body.drawer-open .drawer-backdrop { opacity: 1; }
.theme-toggle {
background: transparent;
border: 1px solid var(--border);
@ -183,3 +222,140 @@ a:hover { text-decoration: underline; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--dim); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }
/* --- Mobile (≤480px) -------------------------------------------------- */
@media (max-width: 480px) {
/* Tighten the topbar so the brand, tone toggle and hamburger all fit
on a 360px phone. Drop the letter-spacing because at 11px tracking
eats horizontal space the brand cannot spare. */
.app-header {
padding: 8px 12px;
gap: 8px;
letter-spacing: 0.04em;
}
.app-header .brand {
font-size: 12px;
/* Shrink the leading glyph but don't remove it — keeps brand identity. */
}
.beta-chip { display: none; }
/* Show the hamburger; the rest of the header widgets collapse into
the drawer (the .mobile-drawer block below). */
.drawer-toggle { display: flex; margin-left: auto; }
/* Keep the tone toggle visible but trim it: just N / I letters so it
fits next to brand + hamburger. */
.tone-toggle--header {
font-size: 9.5px;
}
.tone-toggle--header button {
padding: 4px 7px;
}
/* The drawer wrapper: full-height slide-out from the right. The
content inside (nav + header-right) becomes a vertical stack
with comfortable touch targets. */
.mobile-drawer {
display: flex;
flex-direction: column;
gap: 0;
position: fixed;
top: 0;
right: 0;
bottom: 0;
width: min(82vw, 320px);
background: var(--surface);
border-left: 1px solid var(--border);
box-shadow: -2px 0 12px rgba(0, 0, 0, 0.18);
transform: translateX(100%);
transition: transform 180ms ease-out;
z-index: 100;
overflow-y: auto;
padding: 56px 18px 24px;
text-transform: none;
letter-spacing: 0.02em;
}
body.drawer-open .mobile-drawer { transform: translateX(0); }
/* Vertical nav inside the drawer links become big-tap rows, no
leading margin like the desktop horizontal nav. */
.mobile-drawer nav { display: flex; flex-direction: column; }
.mobile-drawer nav a {
margin-left: 0;
padding: 12px 4px;
border-bottom: 1px solid var(--border);
font-size: 14px;
text-transform: uppercase;
letter-spacing: 0.06em;
}
.mobile-drawer nav a.active {
color: var(--accent);
border-left: 2px solid var(--accent);
padding-left: 10px;
}
/* header-right widgets vertically stacked inside the drawer. */
.mobile-drawer .header-right {
flex-direction: column;
align-items: stretch;
gap: 14px;
margin-top: 20px;
}
.mobile-drawer .theme-toggle,
.mobile-drawer .lang-toggle {
width: 100%;
justify-content: center;
}
.mobile-drawer .lang-toggle { display: inline-flex; }
.mobile-drawer .lang-toggle button,
.mobile-drawer .theme-toggle { padding: 10px; font-size: 11.5px; }
/* The user-menu's dropdown becomes redundant inside the drawer
surface its links flat as a list, and hide the chip button. */
.mobile-drawer .user-menu { width: 100%; }
.mobile-drawer .user-chip { display: none; }
.mobile-drawer .user-menu__panel {
display: block !important; /* override the hidden attribute */
position: static;
border: 0;
padding: 0;
margin-top: 4px;
}
.mobile-drawer .user-menu__panel[hidden] { display: block !important; }
.mobile-drawer .user-menu__item {
display: block;
padding: 10px 4px;
border-bottom: 1px solid var(--border);
font-size: 13px;
text-transform: uppercase;
letter-spacing: 0.06em;
}
.mobile-drawer .meta {
margin-top: auto;
padding-top: 18px;
text-align: center;
opacity: 0.7;
}
/* The drawer container itself sits above the topbar in z-stacking;
we still want the close button accessible while it's open, so push
a close target into the top-right corner of the drawer via a
repurposed pseudo-element. (Simpler than adding new markup.) */
.mobile-drawer::before {
content: "✕";
position: absolute;
top: 14px;
right: 18px;
font-size: 18px;
color: var(--muted);
cursor: pointer;
pointer-events: none; /* tap handled by the backdrop / hamburger */
}
/* Body-level layout: tighten main padding too saves another 16px
of horizontal real estate which the indicator table and chat
bubbles all benefit from. */
.app-main { padding: 10px 8px; gap: 10px; }
}

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>