Mobile Dropdown

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<!--
  Mobile-first Dropdown Menu
  - Responsive dropdown with submenu support
  - Touch-friendly design
  - Keyboard accessible
  - ARIA labels and roles for accessibility
  - CSS-only solution (no JavaScript required)
-->

<nav class="dropdown-nav" role="navigation" aria-label="Main navigation">
  <ul class="menu">
    <li class="menu-item">
      <a href="#" aria-current="page">Home</a>
    </li>
    <li class="menu-item has-submenu">
      <input type="checkbox" id="products-toggle" class="submenu-toggle" aria-hidden="true">
      <label for="products-toggle" class="submenu-label" aria-haspopup="true">
        Products
        <span class="arrow"></span>
      </label>
      <ul class="submenu" aria-label="Products submenu">
        <li><a href="#">Category 1</a></li>
        <li><a href="#">Category 2</a></li>
        <li><a href="#">Category 3</a></li>
      </ul>
    </li>
    <li class="menu-item has-submenu">
      <input type="checkbox" id="services-toggle" class="submenu-toggle" aria-hidden="true">
      <label for="services-toggle" class="submenu-label" aria-haspopup="true">
        Services
        <span class="arrow"></span>
      </label>
      <ul class="submenu" aria-label="Services submenu">
        <li><a href="#">Service 1</a></li>
        <li><a href="#">Service 2</a></li>
        <li><a href="#">Service 3</a></li>
      </ul>
    </li>
    <li class="menu-item">
      <a href="#">Contact</a>
    </li>
  </ul>
</nav>

<style>
.dropdown-nav {
  background: var(--ds-surface, #fff);
  padding: 1rem;
  box-shadow: var(--ds-shadow-md, 0 2px 5px rgba(0,0,0,0.1));
}

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.menu-item {
  position: relative;
}

.menu-item a,
.submenu-label {
  display: block;
  padding: 0.75rem;
  text-decoration: none;
  color: var(--ds-foreground, #333);
  transition: background-color 0.3s;
}

.submenu-toggle {
  display: none;
}

.submenu-label {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.arrow {
  border: solid var(--ds-foreground, #333);
  border-width: 0 2px 2px 0;
  display: inline-block;
  padding: 3px;
  transform: rotate(45deg);
  transition: transform 0.3s;
}

.submenu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  background: var(--ds-surface-2, #f8f8f8);
}

.submenu a {
  padding-left: 2rem;
}

.submenu-toggle:checked ~ .submenu {
  display: block;
}

.submenu-toggle:checked ~ .submenu-label .arrow {
  transform: rotate(-135deg);
}

@media (min-width: 768px) {
  .menu {
    flex-direction: row;
    gap: 1rem;
  }
  
  .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    box-shadow: var(--ds-shadow-md, 0 2px 5px rgba(0,0,0,0.1));
  }
  
  .submenu a {
    padding: 0.75rem 1rem;
  }
}

/* devsnips-qa:quality-bar */
@media (prefers-reduced-motion: reduce){*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}}
:focus-visible{outline:2px solid var(--ds-accent, #2563eb);outline-offset:2px;}


/* DevSnips design tokens (Swiss) — edit tokens.css to re-theme */
:root{
--ds-bg:#fff;--ds-surface:#fff;--ds-surface-2:#f7f7f7;--ds-surface-3:#ededed;--ds-foreground:#0a0a0a;--ds-muted:#525252;--ds-subtle:#a3a3a3;--ds-border:#e5e5e5;--ds-border-strong:#d4d4d4;--ds-accent:#2563eb;--ds-accent-hover:#1d4ed8;--ds-accent-fg:#fff;--ds-accent-soft:#eff6ff;--ds-success:#16a34a;--ds-success-soft:#f0fdf4;--ds-warning:#d97706;--ds-warning-soft:#fffbeb;--ds-danger:#dc2626;--ds-danger-soft:#fef2f2;--ds-info:#2563eb;--ds-info-soft:#eff6ff;--ds-font-sans:system-ui,-apple-system,'Segoe UI',Roboto,Inter,'Helvetica Neue',Arial,sans-serif;--ds-font-mono:ui-monospace,'SF Mono','JetBrains Mono',Menlo,Consolas,monospace;--ds-text-xs:.75rem;--ds-text-sm:.875rem;--ds-text-base:1rem;--ds-text-lg:1.125rem;--ds-text-xl:1.25rem;--ds-text-2xl:1.5rem;--ds-text-3xl:1.875rem;--ds-text-4xl:2.25rem;--ds-leading-tight:1.25;--ds-leading-normal:1.5;--ds-leading-relaxed:1.625;--ds-weight-normal:400;--ds-weight-medium:500;--ds-weight-semibold:600;--ds-weight-bold:700;--ds-space-0:0;--ds-space-px:1px;--ds-space-1:.25rem;--ds-space-2:.5rem;--ds-space-3:.75rem;--ds-space-4:1rem;--ds-space-5:1.25rem;--ds-space-6:1.5rem;--ds-space-8:2rem;--ds-space-10:2.5rem;--ds-space-12:3rem;--ds-space-16:4rem;--ds-radius-sm:.25rem;--ds-radius-md:.5rem;--ds-radius-lg:.75rem;--ds-radius-xl:1rem;--ds-radius-2xl:1.5rem;--ds-radius-full:9999px;--ds-shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--ds-shadow-md:0 4px 6px -1px rgba(0,0,0,.08),0 2px 4px -2px rgba(0,0,0,.05);--ds-shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.05);--ds-duration-fast:120ms;--ds-duration-normal:200ms;--ds-duration-slow:300ms;--ds-ease-out:cubic-bezier(.16,1,.3,1);--ds-ease-in-out:cubic-bezier(.4,0,.2,1);--ds-ring:0 0 0 2px #2563eb;--ds-container:1200px;--ds-gutter:1rem;
}
@media (prefers-color-scheme: dark){:root{--ds-bg:#0a0a0a;--ds-surface:#111;--ds-surface-2:#171717;--ds-surface-3:#1f1f1f;--ds-foreground:#fafafa;--ds-muted:#a3a3a3;--ds-subtle:#737373;--ds-border:#262626;--ds-border-strong:#404040;--ds-accent:#3b82f6;--ds-accent-hover:#60a5fa;--ds-accent-fg:#fff;--ds-accent-soft:#172554;--ds-success:#22c55e;--ds-success-soft:#052e16;--ds-warning:#f59e0b;--ds-warning-soft:#422006;--ds-danger:#ef4444;--ds-danger-soft:#450a0a;--ds-info:#3b82f6;--ds-info-soft:#172554;--ds-ring:0 0 0 2px #3b82f6;}}
</style>

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# Snippet 03 Mobile Dropdown

Snippet 03 Mobile Dropdown with responsive design with animations.

**Technology:** vanilla
**Category:** components
**Subcategory:** forms

**Tags:** responsive, dropdown, drag, animation, shadow, flexbox, center, form



**Responsive:** Yes