10 CSS Sidebar Navigation Designs04 / 10

Pure CSSMIT licensed

Responsive Dashboard Sidebar Navigation with Submenus

A sidebar dropdown menu in HTML and CSS for a modern SaaS analytics dashboard, dark blue / violet. Collapsible submenu groups (Analytics, Audience, Settings) driven by checkboxes with rotating chevrons, an upgrade-to-pro card, and a responsive off-canvas drawer on mobile. KPI cards in the main panel. Best for analytics dashboards, SaaS admin panels, CRMs, BI tools — any product whose nav must expose 3-4 levels of grouped functionality without sprawling.

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The code

<section class="sn-dsh" aria-label="Dashboard sidebar with submenus demo">
  <input type="checkbox" id="sn-dsh-d" class="toggle" aria-label="Toggle dashboard nav">
  <aside class="sidebar" aria-label="Dashboard navigation">
    <div class="brand">
      <div class="logo" aria-hidden="true">◈</div>
      <div><b>Nodal</b><small>Workspace</small></div>
    </div>
    <nav class="nav">
      <div class="cap">Overview</div>
      <a class="item active" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><rect x="3" y="3" width="7" height="9"/><rect x="14" y="3" width="7" height="5"/><rect x="14" y="12" width="7" height="9"/><rect x="3" y="16" width="7" height="5"/></svg>Dashboard</a>

      <input type="checkbox" id="sn-dsh-s1" class="sub-toggle" checked>
      <label class="item" for="sn-dsh-s1"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M3 3v18h18"/><path d="M7 16l4-6 4 3 5-8"/></svg>Analytics<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">Traffic Sources</a>
        <a class="dot" href="#">Conversions</a>
        <a class="dot" href="#">Funnels</a>
        <a class="dot" href="#">Cohorts</a>
      </div>

      <input type="checkbox" id="sn-dsh-s2" class="sub-toggle">
      <label class="item" for="sn-dsh-s2"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="9" cy="7" r="4"/><path d="M3 21v-2a4 4 0 014-4h4a4 4 0 014 4v2"/><path d="M16 3.13a4 4 0 010 7.75"/></svg>Audience<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">Segments</a>
        <a class="dot" href="#">Demographics</a>
        <a class="dot" href="#">Retention</a>
      </div>

      <div class="cap">Manage</div>
      <input type="checkbox" id="sn-dsh-s3" class="sub-toggle">
      <label class="item" for="sn-dsh-s3"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M20 7h-9M14 17H5M17 17a3 3 0 100-6 3 3 0 000 6zM7 13a3 3 0 100-6 3 3 0 000 6z"/></svg>Settings<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">General</a>
        <a class="dot" href="#">Billing</a>
        <a class="dot" href="#">API Keys</a>
      </div>
      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/></svg>Support</a>
    </nav>
    <div class="pro">
      <b>Upgrade to Pro</b>
      <p>Unlock unlimited dashboards and real-time exports.</p>
      <button type="button">Upgrade now</button>
    </div>
  </aside>
  <label for="sn-dsh-d" class="overlay" aria-hidden="true"></label>

  <div class="mainpane">
    <div class="top">
      <label for="sn-dsh-d" class="mbtn" aria-label="Open navigation">
        <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M4 6h16M4 12h16M4 18h16" stroke-width="2" stroke-linecap="round"/></svg>
      </label>
      <h1>Dashboard</h1>
    </div>
    <div class="body">
      <div class="card"><div class="k">Active Users</div><div class="v">24.7k</div><div class="d">▲ 12.4%</div></div>
      <div class="card"><div class="k">Revenue</div><div class="v">$89.2k</div><div class="d">▲ 8.1%</div></div>
      <div class="card"><div class="k">Conversion</div><div class="v">3.42%</div><div class="d">▲ 0.6%</div></div>
      <div class="card"><div class="k">Sessions</div><div class="v">112k</div><div class="d">▲ 19%</div></div>
    </div>
  </div>
</section>
/* ─── 04 Dashboard Sidebar with Submenus — SaaS dark ──────── */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

.sn-dsh {
  --sn-dsh-bg: #0a0e14;
  --sn-dsh-panel: #10151f;
  --sn-dsh-panel-2: #161d2b;
  --sn-dsh-line: #1e2737;
  --sn-dsh-txt: #dfe6f0;
  --sn-dsh-muted: #6b7689;
  --sn-dsh-brand: #5b8cff;
  --sn-dsh-brand-2: #8b5cf6;
  --sn-dsh-good: #34d399;
  position: relative;
  width: 100%;
  height: 600px;
  font-family: 'Manrope', sans-serif;
  background: var(--sn-dsh-bg);
  color: var(--sn-dsh-txt);
  display: flex;
  overflow: hidden;
  box-sizing: border-box;
}

.sn-dsh *,
.sn-dsh *::before,
.sn-dsh *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sn-dsh .toggle {
  display: none;
}

.sn-dsh .overlay {
  display: none;
}

.sn-dsh .sidebar {
  width: 268px;
  background: var(--sn-dsh-panel);
  border-right: 1px solid var(--sn-dsh-line);
  height: 100%;
  display: flex;
  flex-direction: column;
  z-index: 30;
  flex-shrink: 0;
}

.sn-dsh .brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: 1.5rem 1.4rem;
}

.sn-dsh .logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sn-dsh-brand), var(--sn-dsh-brand-2));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
}

.sn-dsh .brand b {
  font-size: 1.15rem;
  letter-spacing: -.02em;
}

.sn-dsh .brand small {
  display: block;
  color: var(--sn-dsh-muted);
  font-size: .7rem;
  font-weight: 600;
}

.sn-dsh .nav {
  padding: .5rem .8rem 1rem;
  flex: 1;
  overflow-y: auto;
}

.sn-dsh .cap {
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: var(--sn-dsh-muted);
  font-weight: 700;
  padding: 1rem .9rem .4rem;
}

.sn-dsh .item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem .9rem;
  border-radius: 10px;
  color: var(--sn-dsh-txt);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: .18s;
}

.sn-dsh .item svg {
  width: 19px;
  height: 19px;
  stroke-width: 1.8;
  flex-shrink: 0;
  color: var(--sn-dsh-muted);
}

.sn-dsh .item:hover {
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .item:hover svg {
  color: var(--sn-dsh-txt);
}

.sn-dsh .item.active {
  background: linear-gradient(90deg, rgba(91,140,255,.16), rgba(139,92,246,.1));
  color: #fff;
}

.sn-dsh .item.active svg {
  color: var(--sn-dsh-brand);
}

.sn-dsh .chev {
  margin-left: auto;
  width: 15px !important;
  height: 15px !important;
  transition: transform .25s;
}

.sn-dsh .sub-toggle {
  display: none;
}

.sn-dsh .submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  margin-left: 1.5rem;
  border-left: 1.5px solid var(--sn-dsh-line);
  padding-left: .4rem;
}

.sn-dsh .submenu a {
  display: block;
  padding: .5rem .8rem;
  color: var(--sn-dsh-muted);
  text-decoration: none;
  font-size: .85rem;
  border-radius: 8px;
  transition: .18s;
}

.sn-dsh .submenu a:hover {
  color: var(--sn-dsh-txt);
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .submenu a.dot::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sn-dsh-muted);
  margin-right: .6rem;
  vertical-align: middle;
}

.sn-dsh .sub-toggle:checked + .item .chev {
  transform: rotate(90deg);
}

.sn-dsh .sub-toggle:checked + .item {
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .sub-toggle:checked + .item + .submenu {
  max-height: 240px;
}

.sn-dsh .pro {
  margin: 1rem .8rem;
  padding: 1.2rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(91,140,255,.16), rgba(139,92,246,.16));
  border: 1px solid rgba(91,140,255,.25);
}

.sn-dsh .pro b {
  font-size: .92rem;
}

.sn-dsh .pro p {
  color: var(--sn-dsh-muted);
  font-size: .76rem;
  margin: .3rem 0 .8rem;
}

.sn-dsh .pro button {
  width: 100%;
  padding: .55rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--sn-dsh-brand), var(--sn-dsh-brand-2));
  color: #fff;
  font-weight: 700;
  font-size: .82rem;
  font-family: inherit;
}

.sn-dsh .mainpane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.sn-dsh .top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 2rem;
  border-bottom: 1px solid var(--sn-dsh-line);
}

.sn-dsh .mbtn {
  display: none;
  background: none;
  border: 1px solid var(--sn-dsh-line);
  border-radius: 8px;
  padding: .4rem;
  cursor: pointer;
  color: var(--sn-dsh-txt);
}

.sn-dsh .mbtn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  display: block;
}

.sn-dsh .top h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.sn-dsh .body {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.sn-dsh .card {
  background: var(--sn-dsh-panel);
  border: 1px solid var(--sn-dsh-line);
  border-radius: 16px;
  padding: 1.4rem;
}

.sn-dsh .card .k {
  color: var(--sn-dsh-muted);
  font-size: .8rem;
  font-weight: 600;
}

.sn-dsh .card .v {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin: .4rem 0;
}

.sn-dsh .card .d {
  color: var(--sn-dsh-good);
  font-size: .8rem;
  font-weight: 700;
}

@media (max-width: 880px) {
  .sn-dsh .sidebar {
    position: absolute;
    transform: translateX(-100%);
    transition: transform .35s;
    box-shadow: 8px 0 40px rgba(0,0,0,.5);
  }

  .sn-dsh .toggle:checked ~ .sidebar {
    transform: translateX(0);
  }

  .sn-dsh .toggle:checked ~ .overlay {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 20;
  }

  .sn-dsh .mbtn {
    display: grid;
    place-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sn-dsh .submenu,
    .sn-dsh .chev,
    .sn-dsh .sidebar {
    transition: none;
  }
}
Paste this into ChatGPT, Claude, Cursor, or any coding assistant. The block below is pre-framed with everything the AI needs to integrate this demo into your project — markup, styles, scoping notes, and the source URL. Hit Copy and paste straight into your chat.
Here's a working CSS Sidebar Navigation Design from CodeFronts. Use it as-is or adapt to your framework. All classes are scoped under a unique prefix so the code won't collide with your existing styles. MIT licensed.
Demo: Responsive Dashboard Sidebar Navigation with Submenus
Source: https://codefronts.com/navigation/css-sidebar-navigation/responsive-dashboard-sidebar-navigation-with-submenus/

A sidebar dropdown menu in HTML and CSS for a modern SaaS analytics dashboard, dark blue / violet. Collapsible submenu groups (Analytics, Audience, Settings) driven by checkboxes with rotating chevrons, an upgrade-to-pro card, and a responsive off-canvas drawer on mobile. KPI cards in the main panel. Best for analytics dashboards, SaaS admin panels, CRMs, BI tools — any product whose nav must expose 3-4 levels of grouped functionality without sprawling.
## HTML
```html
<section class="sn-dsh" aria-label="Dashboard sidebar with submenus demo">
  <input type="checkbox" id="sn-dsh-d" class="toggle" aria-label="Toggle dashboard nav">
  <aside class="sidebar" aria-label="Dashboard navigation">
    <div class="brand">
      <div class="logo" aria-hidden="true">◈</div>
      <div><b>Nodal</b><small>Workspace</small></div>
    </div>
    <nav class="nav">
      <div class="cap">Overview</div>
      <a class="item active" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><rect x="3" y="3" width="7" height="9"/><rect x="14" y="3" width="7" height="5"/><rect x="14" y="12" width="7" height="9"/><rect x="3" y="16" width="7" height="5"/></svg>Dashboard</a>

      <input type="checkbox" id="sn-dsh-s1" class="sub-toggle" checked>
      <label class="item" for="sn-dsh-s1"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M3 3v18h18"/><path d="M7 16l4-6 4 3 5-8"/></svg>Analytics<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">Traffic Sources</a>
        <a class="dot" href="#">Conversions</a>
        <a class="dot" href="#">Funnels</a>
        <a class="dot" href="#">Cohorts</a>
      </div>

      <input type="checkbox" id="sn-dsh-s2" class="sub-toggle">
      <label class="item" for="sn-dsh-s2"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="9" cy="7" r="4"/><path d="M3 21v-2a4 4 0 014-4h4a4 4 0 014 4v2"/><path d="M16 3.13a4 4 0 010 7.75"/></svg>Audience<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">Segments</a>
        <a class="dot" href="#">Demographics</a>
        <a class="dot" href="#">Retention</a>
      </div>

      <div class="cap">Manage</div>
      <input type="checkbox" id="sn-dsh-s3" class="sub-toggle">
      <label class="item" for="sn-dsh-s3"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M20 7h-9M14 17H5M17 17a3 3 0 100-6 3 3 0 000 6zM7 13a3 3 0 100-6 3 3 0 000 6z"/></svg>Settings<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="submenu">
        <a class="dot" href="#">General</a>
        <a class="dot" href="#">Billing</a>
        <a class="dot" href="#">API Keys</a>
      </div>
      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/></svg>Support</a>
    </nav>
    <div class="pro">
      <b>Upgrade to Pro</b>
      <p>Unlock unlimited dashboards and real-time exports.</p>
      <button type="button">Upgrade now</button>
    </div>
  </aside>
  <label for="sn-dsh-d" class="overlay" aria-hidden="true"></label>

  <div class="mainpane">
    <div class="top">
      <label for="sn-dsh-d" class="mbtn" aria-label="Open navigation">
        <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M4 6h16M4 12h16M4 18h16" stroke-width="2" stroke-linecap="round"/></svg>
      </label>
      <h1>Dashboard</h1>
    </div>
    <div class="body">
      <div class="card"><div class="k">Active Users</div><div class="v">24.7k</div><div class="d">▲ 12.4%</div></div>
      <div class="card"><div class="k">Revenue</div><div class="v">$89.2k</div><div class="d">▲ 8.1%</div></div>
      <div class="card"><div class="k">Conversion</div><div class="v">3.42%</div><div class="d">▲ 0.6%</div></div>
      <div class="card"><div class="k">Sessions</div><div class="v">112k</div><div class="d">▲ 19%</div></div>
    </div>
  </div>
</section>
```
## CSS
```css
/* ─── 04 Dashboard Sidebar with Submenus — SaaS dark ──────── */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

.sn-dsh {
  --sn-dsh-bg: #0a0e14;
  --sn-dsh-panel: #10151f;
  --sn-dsh-panel-2: #161d2b;
  --sn-dsh-line: #1e2737;
  --sn-dsh-txt: #dfe6f0;
  --sn-dsh-muted: #6b7689;
  --sn-dsh-brand: #5b8cff;
  --sn-dsh-brand-2: #8b5cf6;
  --sn-dsh-good: #34d399;
  position: relative;
  width: 100%;
  height: 600px;
  font-family: 'Manrope', sans-serif;
  background: var(--sn-dsh-bg);
  color: var(--sn-dsh-txt);
  display: flex;
  overflow: hidden;
  box-sizing: border-box;
}

.sn-dsh *,
.sn-dsh *::before,
.sn-dsh *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sn-dsh .toggle {
  display: none;
}

.sn-dsh .overlay {
  display: none;
}

.sn-dsh .sidebar {
  width: 268px;
  background: var(--sn-dsh-panel);
  border-right: 1px solid var(--sn-dsh-line);
  height: 100%;
  display: flex;
  flex-direction: column;
  z-index: 30;
  flex-shrink: 0;
}

.sn-dsh .brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: 1.5rem 1.4rem;
}

.sn-dsh .logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sn-dsh-brand), var(--sn-dsh-brand-2));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
}

.sn-dsh .brand b {
  font-size: 1.15rem;
  letter-spacing: -.02em;
}

.sn-dsh .brand small {
  display: block;
  color: var(--sn-dsh-muted);
  font-size: .7rem;
  font-weight: 600;
}

.sn-dsh .nav {
  padding: .5rem .8rem 1rem;
  flex: 1;
  overflow-y: auto;
}

.sn-dsh .cap {
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: var(--sn-dsh-muted);
  font-weight: 700;
  padding: 1rem .9rem .4rem;
}

.sn-dsh .item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem .9rem;
  border-radius: 10px;
  color: var(--sn-dsh-txt);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: .18s;
}

.sn-dsh .item svg {
  width: 19px;
  height: 19px;
  stroke-width: 1.8;
  flex-shrink: 0;
  color: var(--sn-dsh-muted);
}

.sn-dsh .item:hover {
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .item:hover svg {
  color: var(--sn-dsh-txt);
}

.sn-dsh .item.active {
  background: linear-gradient(90deg, rgba(91,140,255,.16), rgba(139,92,246,.1));
  color: #fff;
}

.sn-dsh .item.active svg {
  color: var(--sn-dsh-brand);
}

.sn-dsh .chev {
  margin-left: auto;
  width: 15px !important;
  height: 15px !important;
  transition: transform .25s;
}

.sn-dsh .sub-toggle {
  display: none;
}

.sn-dsh .submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  margin-left: 1.5rem;
  border-left: 1.5px solid var(--sn-dsh-line);
  padding-left: .4rem;
}

.sn-dsh .submenu a {
  display: block;
  padding: .5rem .8rem;
  color: var(--sn-dsh-muted);
  text-decoration: none;
  font-size: .85rem;
  border-radius: 8px;
  transition: .18s;
}

.sn-dsh .submenu a:hover {
  color: var(--sn-dsh-txt);
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .submenu a.dot::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sn-dsh-muted);
  margin-right: .6rem;
  vertical-align: middle;
}

.sn-dsh .sub-toggle:checked + .item .chev {
  transform: rotate(90deg);
}

.sn-dsh .sub-toggle:checked + .item {
  background: var(--sn-dsh-panel-2);
}

.sn-dsh .sub-toggle:checked + .item + .submenu {
  max-height: 240px;
}

.sn-dsh .pro {
  margin: 1rem .8rem;
  padding: 1.2rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(91,140,255,.16), rgba(139,92,246,.16));
  border: 1px solid rgba(91,140,255,.25);
}

.sn-dsh .pro b {
  font-size: .92rem;
}

.sn-dsh .pro p {
  color: var(--sn-dsh-muted);
  font-size: .76rem;
  margin: .3rem 0 .8rem;
}

.sn-dsh .pro button {
  width: 100%;
  padding: .55rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--sn-dsh-brand), var(--sn-dsh-brand-2));
  color: #fff;
  font-weight: 700;
  font-size: .82rem;
  font-family: inherit;
}

.sn-dsh .mainpane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.sn-dsh .top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 2rem;
  border-bottom: 1px solid var(--sn-dsh-line);
}

.sn-dsh .mbtn {
  display: none;
  background: none;
  border: 1px solid var(--sn-dsh-line);
  border-radius: 8px;
  padding: .4rem;
  cursor: pointer;
  color: var(--sn-dsh-txt);
}

.sn-dsh .mbtn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  display: block;
}

.sn-dsh .top h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.sn-dsh .body {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.sn-dsh .card {
  background: var(--sn-dsh-panel);
  border: 1px solid var(--sn-dsh-line);
  border-radius: 16px;
  padding: 1.4rem;
}

.sn-dsh .card .k {
  color: var(--sn-dsh-muted);
  font-size: .8rem;
  font-weight: 600;
}

.sn-dsh .card .v {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin: .4rem 0;
}

.sn-dsh .card .d {
  color: var(--sn-dsh-good);
  font-size: .8rem;
  font-weight: 700;
}

@media (max-width: 880px) {
  .sn-dsh .sidebar {
    position: absolute;
    transform: translateX(-100%);
    transition: transform .35s;
    box-shadow: 8px 0 40px rgba(0,0,0,.5);
  }

  .sn-dsh .toggle:checked ~ .sidebar {
    transform: translateX(0);
  }

  .sn-dsh .toggle:checked ~ .overlay {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 20;
  }

  .sn-dsh .mbtn {
    display: grid;
    place-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sn-dsh .submenu,
    .sn-dsh .chev,
    .sn-dsh .sidebar {
    transition: none;
  }
}
```

Techniques used in this demo

grid-templateMDN ↗place-items / place-contentMDN ↗

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