36 CSS Search Bars26 / 36

Pure CSSMIT licensed

CSS Search + Filter Sidebar Combo Bar

A faceted-search sidebar: search at the top, then category checkboxes with result counts, a price range and an in-stock toggle. Every control is a native input styled with appearance:none, so keyboard, screen-reader and mobile behaviour are the browser's — not yours.

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The code

<div class="sb-26">
  <button class="sb-26__theme" type="button" aria-pressed="false" aria-label="Switch to dark theme">
    <svg class="sb-26__moon" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M20 14.2A8.2 8.2 0 0 1 9.8 4 8.4 8.4 0 1 0 20 14.2"/></svg>
    <svg class="sb-26__sun" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><circle cx="12" cy="12" r="4"/><path d="M12 3.4v2M12 18.6v2M3.4 12h2M18.6 12h2M6 6l1.4 1.4M16.6 16.6 18 18M18 6l-1.4 1.4M7.4 16.6 6 18"/></svg>
  </button>
  <div class="sb-26__stage">
    <aside class="sb-26__panel">
      <div class="sb-26__search" role="search">
        <svg class="sb-26__ico" viewBox="0 0 24 24" fill="none" aria-hidden="true" focusable="false"><circle cx="11" cy="11" r="6.3" stroke="currentColor" stroke-width="1.8"/><path d="m15.9 15.9 4.3 4.3" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"/></svg>
        <label class="sb-26__vh" for="sb-26-input">Search products</label>
        <input class="sb-26__input" id="sb-26-input" type="search" placeholder="Search products" autocomplete="off">
      </div>

      <fieldset class="sb-26__group">
        <legend class="sb-26__legend">Category</legend>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox" checked><span class="sb-26__txt">Headphones</span><span class="sb-26__num">412</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox"><span class="sb-26__txt">Keyboards</span><span class="sb-26__num">238</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox" checked><span class="sb-26__txt">Monitors</span><span class="sb-26__num">96</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox"><span class="sb-26__txt">Desk accessories</span><span class="sb-26__num">54</span></label>
      </fieldset>

      <fieldset class="sb-26__group">
        <legend class="sb-26__legend">Max price</legend>
        <label class="sb-26__vh" for="sb-26-price">Maximum price in dollars</label>
        <input class="sb-26__range" id="sb-26-price" type="range" min="0" max="500" value="280" step="10">
        <p class="sb-26__scale"><span>$0</span><span>$500</span></p>
      </fieldset>

      <label class="sb-26__row sb-26__row--switch">
        <span class="sb-26__txt">In stock only</span>
        <input class="sb-26__switch" type="checkbox" checked role="switch">
      </label>
    </aside>
  </div>
</div>
.sb-26 {
  --bg: #f4f5f8;
  --card: #ffffff;
  --ink: #151821;
  --muted: #6b7280;
  --line: #e3e6ec;
  --acc: #4f46e5;
  --wash: rgba(79,70,229,.10);
  --ring: #4f46e5;
  --shadow: rgba(21,24,33,.14);
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: block;
  box-sizing: border-box;
  font-family: system-ui,-apple-system,"Segoe UI",sans-serif;
  color: var(--ink);
  background: var(--bg);
  accent-color: #4f46e5;
  -webkit-font-smoothing: antialiased;
}

.sb-26 *,
.sb-26 *::before,
.sb-26 *::after {
  box-sizing: border-box;
}

.sb-26__stage {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1rem,4vw,3rem);
}

.sb-26__vh {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.sb-26__panel {
  inline-size: min(19rem,100%);
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 22px 46px -30px var(--shadow), 0 1px 2px rgba(21,24,33,.04);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.sb-26__search {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-block-size: 42px;
  padding-inline: .75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafbfd;
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.sb-26__search:focus-within {
  border-color: var(--acc);
  background: var(--card);
  box-shadow: 0 0 0 3px var(--wash);
}

.sb-26__ico {
  inline-size: 16px;
  block-size: 16px;
  flex: none;
  color: var(--muted);
}

.sb-26__input {
  flex: 1;
  min-inline-size: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: 400 .88rem/1 inherit;
}

.sb-26__input::placeholder {
  color: var(--muted);
}

.sb-26__input:focus {
  outline: none;
}

.sb-26__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.sb-26__group {
  margin: 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

.sb-26__legend {
  padding: 0 0 .35rem;
  color: var(--muted);
  font: 600 .68rem/1 inherit;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.sb-26__row {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-block-size: 44px;
  padding-inline: .55rem;
  border-radius: 9px;
  cursor: pointer;
  color: var(--ink);
  font: 500 .88rem/1 inherit;
  transition: background .14s;
}

.sb-26__row:hover {
  background: #f5f6fa;
}

.sb-26__row:has(:checked) {
  background: var(--wash);
}

.sb-26__txt {
  flex: 1;
  min-inline-size: 0;
}

.sb-26__num {
  color: var(--muted);
  font: 400 .78rem/1 inherit;
  font-variant-numeric: tabular-nums;
}

.sb-26__check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  margin: 0;
  inline-size: 18px;
  block-size: 18px;
  border: 1.5px solid #cfd4de;
  border-radius: 5px;
  background: var(--card);
  cursor: pointer;
  transition: background .16s, border-color .16s;
}

.sb-26__check:checked {
  background: var(--acc);
  border-color: var(--acc);
}

.sb-26__check:checked::after {
  content: '';
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 5.5px;
  inline-size: 4px;
  block-size: 8px;
  border: 2px solid #fff;
  border-block-start: 0;
  border-inline-start: 0;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  rotate: 45deg;
}

.sb-26__check:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.sb-26__range {
  appearance: none;
  -webkit-appearance: none;
  inline-size: 100%;
  block-size: 22px;
  background: none;
  cursor: pointer;
  margin: 0;
}

.sb-26__range::-webkit-slider-runnable-track {
  block-size: 5px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--acc) 56%, #e6e8ef 56%);
}

.sb-26__range::-moz-range-track {
  block-size: 5px;
  border-radius: 99px;
  background: #e6e8ef;
}

.sb-26__range::-moz-range-progress {
  block-size: 5px;
  border-radius: 99px;
  background: var(--acc);
}

.sb-26__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  inline-size: 18px;
  block-size: 18px;
  margin-block-start: -6.5px;
  border: 2px solid var(--acc);
  border-radius: 50%;
  background: var(--card);
  box-shadow: 0 1px 3px rgba(21,24,33,.25);
}

.sb-26__range::-moz-range-thumb {
  inline-size: 14px;
  block-size: 14px;
  border: 2px solid var(--acc);
  border-radius: 50%;
  background: var(--card);
  box-shadow: 0 1px 3px rgba(21,24,33,.25);
}

.sb-26__range:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 4px;
}

.sb-26__scale {
  display: flex;
  justify-content: space-between;
  margin: .15rem .1rem 0;
  color: var(--muted);
  font: 400 .74rem/1 inherit;
  font-variant-numeric: tabular-nums;
}

.sb-26__row--switch {
  margin-block-start: -.2rem;
}

.sb-26__switch {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  margin: 0;
  inline-size: 38px;
  block-size: 22px;
  border-radius: 99px;
  background: #d3d7e0;
  cursor: pointer;
  transition: background .2s;
}

.sb-26__switch::before {
  content: '';
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 2px;
  inline-size: 18px;
  block-size: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(21,24,33,.3);
  transition: translate .2s cubic-bezier(.2,.9,.25,1);
}

.sb-26__switch:checked {
  background: var(--acc);
}

.sb-26__switch:checked::before {
  translate: 16px 0;
}

.sb-26__switch:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.sb-26[data-theme="dark"] {
  --bg: #0a0d13;
  --card: #141821;
  --ink: #e9ecf4;
  --muted: #878e9c;
  --line: #232a37;
  --acc: #8b83ff;
  --wash: rgba(139,131,255,.14);
  --ring: #8b83ff;
  --shadow: rgba(0,0,0,.7);
  accent-color: #8b83ff;
}

.sb-26[data-theme="dark"] .sb-26__search {
  background: #101520;
}

.sb-26[data-theme="dark"] .sb-26__row:hover {
  background: #1a2029;
}

.sb-26[data-theme="dark"] .sb-26__check {
  border-color: #39404f;
  background: #101520;
}

.sb-26[data-theme="dark"] .sb-26__range::-webkit-slider-runnable-track {
  background: linear-gradient(90deg, var(--acc) 56%, #2a3140 56%);
}

.sb-26[data-theme="dark"] .sb-26__range::-moz-range-track {
  background: #2a3140;
}

.sb-26[data-theme="dark"] .sb-26__switch {
  background: #39404f;
}

@media (prefers-color-scheme: dark) {
  .sb-26:not([data-theme="light"]) {
    --bg: #0a0d13;
    --card: #141821;
    --ink: #e9ecf4;
    --muted: #878e9c;
    --line: #232a37;
    --acc: #8b83ff;
    --wash: rgba(139,131,255,.14);
    --ring: #8b83ff;
    --shadow: rgba(0,0,0,.7);
    accent-color: #8b83ff;
  }

  .sb-26:not([data-theme="light"]) .sb-26__search {
    background: #101520;
  }

  .sb-26:not([data-theme="light"]) .sb-26__row:hover {
    background: #1a2029;
  }

  .sb-26:not([data-theme="light"]) .sb-26__check {
    border-color: #39404f;
    background: #101520;
  }

  .sb-26:not([data-theme="light"]) .sb-26__range::-webkit-slider-runnable-track {
    background: linear-gradient(90deg, var(--acc) 56%, #2a3140 56%);
  }

  .sb-26:not([data-theme="light"]) .sb-26__range::-moz-range-track {
    background: #2a3140;
  }

  .sb-26:not([data-theme="light"]) .sb-26__switch {
    background: #39404f;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sb-26 *,
    .sb-26 *::before,
    .sb-26 *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (forced-colors: active) {
  .sb-26__panel,
    .sb-26__search,
    .sb-26__check,
    .sb-26__switch {
    border: 1px solid CanvasText;
  }

  .sb-26__check:checked {
    background: Highlight;
  }
}

.sb-26__theme {
  position: absolute;
  inset-block-start: clamp(.75rem,2vw,1.25rem);
  inset-inline-end: clamp(.75rem,2vw,1.25rem);
  z-index: 50;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12);
  color: currentColor;
  background: rgba(255,255,255,.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background .25s ease, transform .25s cubic-bezier(.16,1,.3,1), border-color .25s ease;
}

.sb-26[data-theme="dark"] .sb-26__theme {
  background: rgba(20,20,28,.72);
  border-color: rgba(255,255,255,.15);
  color: #fff;
}

@media (prefers-color-scheme: dark) {
  .sb-26:not([data-theme="light"]) .sb-26__theme {
    background: rgba(20,20,28,.72);
    border-color: rgba(255,255,255,.15);
    color: #fff;
  }
}

.sb-26__theme:hover {
  transform: translateY(-1px);
  border-color: rgba(0,0,0,.24);
}

.sb-26[data-theme="dark"] .sb-26__theme:hover,
.sb-26:not([data-theme="light"]) .sb-26__theme:hover {
  border-color: rgba(255,255,255,.3);
}

.sb-26__theme:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.sb-26__theme svg {
  grid-area: 1/1;
  inline-size: 1.1rem;
  block-size: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sb-26__sun {
  display: none;
}

.sb-26__theme[aria-pressed="true"] .sb-26__sun {
  display: block;
}

.sb-26__theme[aria-pressed="true"] .sb-26__moon {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .sb-26__theme {
    transition: none;
  }

  .sb-26__theme:hover {
    transform: none;
  }
}
(()=>{const r=document.querySelector('.sb-26');if(!r)return;const t=r.querySelector('.sb-26__theme');if(!t)return;const dark=()=>(r.dataset.theme||(matchMedia('(prefers-color-scheme: dark)').matches?'dark':'light'))==='dark';const sync=()=>{t.setAttribute('aria-pressed',String(dark()));t.setAttribute('aria-label',dark()?'Switch to light theme':'Switch to dark theme');};t.addEventListener('click',()=>{r.dataset.theme=dark()?'light':'dark';sync();});matchMedia('(prefers-color-scheme: dark)').addEventListener('change',()=>{if(!r.dataset.theme)sync();});sync();})();
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 Search Bar 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: CSS Search + Filter Sidebar Combo Bar
Source: https://codefronts.com/components/css-search-boxes/search-filter/

A faceted-search sidebar: search at the top, then category checkboxes with result counts, a price range and an in-stock toggle. Every control is a native input styled with appearance:none, so keyboard, screen-reader and mobile behaviour are the browser's — not yours.
## HTML
```html
<div class="sb-26">
  <button class="sb-26__theme" type="button" aria-pressed="false" aria-label="Switch to dark theme">
    <svg class="sb-26__moon" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M20 14.2A8.2 8.2 0 0 1 9.8 4 8.4 8.4 0 1 0 20 14.2"/></svg>
    <svg class="sb-26__sun" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><circle cx="12" cy="12" r="4"/><path d="M12 3.4v2M12 18.6v2M3.4 12h2M18.6 12h2M6 6l1.4 1.4M16.6 16.6 18 18M18 6l-1.4 1.4M7.4 16.6 6 18"/></svg>
  </button>
  <div class="sb-26__stage">
    <aside class="sb-26__panel">
      <div class="sb-26__search" role="search">
        <svg class="sb-26__ico" viewBox="0 0 24 24" fill="none" aria-hidden="true" focusable="false"><circle cx="11" cy="11" r="6.3" stroke="currentColor" stroke-width="1.8"/><path d="m15.9 15.9 4.3 4.3" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"/></svg>
        <label class="sb-26__vh" for="sb-26-input">Search products</label>
        <input class="sb-26__input" id="sb-26-input" type="search" placeholder="Search products" autocomplete="off">
      </div>

      <fieldset class="sb-26__group">
        <legend class="sb-26__legend">Category</legend>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox" checked><span class="sb-26__txt">Headphones</span><span class="sb-26__num">412</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox"><span class="sb-26__txt">Keyboards</span><span class="sb-26__num">238</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox" checked><span class="sb-26__txt">Monitors</span><span class="sb-26__num">96</span></label>
        <label class="sb-26__row"><input class="sb-26__check" type="checkbox"><span class="sb-26__txt">Desk accessories</span><span class="sb-26__num">54</span></label>
      </fieldset>

      <fieldset class="sb-26__group">
        <legend class="sb-26__legend">Max price</legend>
        <label class="sb-26__vh" for="sb-26-price">Maximum price in dollars</label>
        <input class="sb-26__range" id="sb-26-price" type="range" min="0" max="500" value="280" step="10">
        <p class="sb-26__scale"><span>$0</span><span>$500</span></p>
      </fieldset>

      <label class="sb-26__row sb-26__row--switch">
        <span class="sb-26__txt">In stock only</span>
        <input class="sb-26__switch" type="checkbox" checked role="switch">
      </label>
    </aside>
  </div>
</div>
```
## CSS
```css
.sb-26 {
  --bg: #f4f5f8;
  --card: #ffffff;
  --ink: #151821;
  --muted: #6b7280;
  --line: #e3e6ec;
  --acc: #4f46e5;
  --wash: rgba(79,70,229,.10);
  --ring: #4f46e5;
  --shadow: rgba(21,24,33,.14);
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: block;
  box-sizing: border-box;
  font-family: system-ui,-apple-system,"Segoe UI",sans-serif;
  color: var(--ink);
  background: var(--bg);
  accent-color: #4f46e5;
  -webkit-font-smoothing: antialiased;
}

.sb-26 *,
.sb-26 *::before,
.sb-26 *::after {
  box-sizing: border-box;
}

.sb-26__stage {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1rem,4vw,3rem);
}

.sb-26__vh {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.sb-26__panel {
  inline-size: min(19rem,100%);
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 22px 46px -30px var(--shadow), 0 1px 2px rgba(21,24,33,.04);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.sb-26__search {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-block-size: 42px;
  padding-inline: .75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafbfd;
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.sb-26__search:focus-within {
  border-color: var(--acc);
  background: var(--card);
  box-shadow: 0 0 0 3px var(--wash);
}

.sb-26__ico {
  inline-size: 16px;
  block-size: 16px;
  flex: none;
  color: var(--muted);
}

.sb-26__input {
  flex: 1;
  min-inline-size: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: 400 .88rem/1 inherit;
}

.sb-26__input::placeholder {
  color: var(--muted);
}

.sb-26__input:focus {
  outline: none;
}

.sb-26__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.sb-26__group {
  margin: 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

.sb-26__legend {
  padding: 0 0 .35rem;
  color: var(--muted);
  font: 600 .68rem/1 inherit;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.sb-26__row {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-block-size: 44px;
  padding-inline: .55rem;
  border-radius: 9px;
  cursor: pointer;
  color: var(--ink);
  font: 500 .88rem/1 inherit;
  transition: background .14s;
}

.sb-26__row:hover {
  background: #f5f6fa;
}

.sb-26__row:has(:checked) {
  background: var(--wash);
}

.sb-26__txt {
  flex: 1;
  min-inline-size: 0;
}

.sb-26__num {
  color: var(--muted);
  font: 400 .78rem/1 inherit;
  font-variant-numeric: tabular-nums;
}

.sb-26__check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  margin: 0;
  inline-size: 18px;
  block-size: 18px;
  border: 1.5px solid #cfd4de;
  border-radius: 5px;
  background: var(--card);
  cursor: pointer;
  transition: background .16s, border-color .16s;
}

.sb-26__check:checked {
  background: var(--acc);
  border-color: var(--acc);
}

.sb-26__check:checked::after {
  content: '';
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 5.5px;
  inline-size: 4px;
  block-size: 8px;
  border: 2px solid #fff;
  border-block-start: 0;
  border-inline-start: 0;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  rotate: 45deg;
}

.sb-26__check:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.sb-26__range {
  appearance: none;
  -webkit-appearance: none;
  inline-size: 100%;
  block-size: 22px;
  background: none;
  cursor: pointer;
  margin: 0;
}

.sb-26__range::-webkit-slider-runnable-track {
  block-size: 5px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--acc) 56%, #e6e8ef 56%);
}

.sb-26__range::-moz-range-track {
  block-size: 5px;
  border-radius: 99px;
  background: #e6e8ef;
}

.sb-26__range::-moz-range-progress {
  block-size: 5px;
  border-radius: 99px;
  background: var(--acc);
}

.sb-26__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  inline-size: 18px;
  block-size: 18px;
  margin-block-start: -6.5px;
  border: 2px solid var(--acc);
  border-radius: 50%;
  background: var(--card);
  box-shadow: 0 1px 3px rgba(21,24,33,.25);
}

.sb-26__range::-moz-range-thumb {
  inline-size: 14px;
  block-size: 14px;
  border: 2px solid var(--acc);
  border-radius: 50%;
  background: var(--card);
  box-shadow: 0 1px 3px rgba(21,24,33,.25);
}

.sb-26__range:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 4px;
}

.sb-26__scale {
  display: flex;
  justify-content: space-between;
  margin: .15rem .1rem 0;
  color: var(--muted);
  font: 400 .74rem/1 inherit;
  font-variant-numeric: tabular-nums;
}

.sb-26__row--switch {
  margin-block-start: -.2rem;
}

.sb-26__switch {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  margin: 0;
  inline-size: 38px;
  block-size: 22px;
  border-radius: 99px;
  background: #d3d7e0;
  cursor: pointer;
  transition: background .2s;
}

.sb-26__switch::before {
  content: '';
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 2px;
  inline-size: 18px;
  block-size: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(21,24,33,.3);
  transition: translate .2s cubic-bezier(.2,.9,.25,1);
}

.sb-26__switch:checked {
  background: var(--acc);
}

.sb-26__switch:checked::before {
  translate: 16px 0;
}

.sb-26__switch:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.sb-26[data-theme="dark"] {
  --bg: #0a0d13;
  --card: #141821;
  --ink: #e9ecf4;
  --muted: #878e9c;
  --line: #232a37;
  --acc: #8b83ff;
  --wash: rgba(139,131,255,.14);
  --ring: #8b83ff;
  --shadow: rgba(0,0,0,.7);
  accent-color: #8b83ff;
}

.sb-26[data-theme="dark"] .sb-26__search {
  background: #101520;
}

.sb-26[data-theme="dark"] .sb-26__row:hover {
  background: #1a2029;
}

.sb-26[data-theme="dark"] .sb-26__check {
  border-color: #39404f;
  background: #101520;
}

.sb-26[data-theme="dark"] .sb-26__range::-webkit-slider-runnable-track {
  background: linear-gradient(90deg, var(--acc) 56%, #2a3140 56%);
}

.sb-26[data-theme="dark"] .sb-26__range::-moz-range-track {
  background: #2a3140;
}

.sb-26[data-theme="dark"] .sb-26__switch {
  background: #39404f;
}

@media (prefers-color-scheme: dark) {
  .sb-26:not([data-theme="light"]) {
    --bg: #0a0d13;
    --card: #141821;
    --ink: #e9ecf4;
    --muted: #878e9c;
    --line: #232a37;
    --acc: #8b83ff;
    --wash: rgba(139,131,255,.14);
    --ring: #8b83ff;
    --shadow: rgba(0,0,0,.7);
    accent-color: #8b83ff;
  }

  .sb-26:not([data-theme="light"]) .sb-26__search {
    background: #101520;
  }

  .sb-26:not([data-theme="light"]) .sb-26__row:hover {
    background: #1a2029;
  }

  .sb-26:not([data-theme="light"]) .sb-26__check {
    border-color: #39404f;
    background: #101520;
  }

  .sb-26:not([data-theme="light"]) .sb-26__range::-webkit-slider-runnable-track {
    background: linear-gradient(90deg, var(--acc) 56%, #2a3140 56%);
  }

  .sb-26:not([data-theme="light"]) .sb-26__range::-moz-range-track {
    background: #2a3140;
  }

  .sb-26:not([data-theme="light"]) .sb-26__switch {
    background: #39404f;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sb-26 *,
    .sb-26 *::before,
    .sb-26 *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (forced-colors: active) {
  .sb-26__panel,
    .sb-26__search,
    .sb-26__check,
    .sb-26__switch {
    border: 1px solid CanvasText;
  }

  .sb-26__check:checked {
    background: Highlight;
  }
}

.sb-26__theme {
  position: absolute;
  inset-block-start: clamp(.75rem,2vw,1.25rem);
  inset-inline-end: clamp(.75rem,2vw,1.25rem);
  z-index: 50;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12);
  color: currentColor;
  background: rgba(255,255,255,.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background .25s ease, transform .25s cubic-bezier(.16,1,.3,1), border-color .25s ease;
}

.sb-26[data-theme="dark"] .sb-26__theme {
  background: rgba(20,20,28,.72);
  border-color: rgba(255,255,255,.15);
  color: #fff;
}

@media (prefers-color-scheme: dark) {
  .sb-26:not([data-theme="light"]) .sb-26__theme {
    background: rgba(20,20,28,.72);
    border-color: rgba(255,255,255,.15);
    color: #fff;
  }
}

.sb-26__theme:hover {
  transform: translateY(-1px);
  border-color: rgba(0,0,0,.24);
}

.sb-26[data-theme="dark"] .sb-26__theme:hover,
.sb-26:not([data-theme="light"]) .sb-26__theme:hover {
  border-color: rgba(255,255,255,.3);
}

.sb-26__theme:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.sb-26__theme svg {
  grid-area: 1/1;
  inline-size: 1.1rem;
  block-size: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sb-26__sun {
  display: none;
}

.sb-26__theme[aria-pressed="true"] .sb-26__sun {
  display: block;
}

.sb-26__theme[aria-pressed="true"] .sb-26__moon {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .sb-26__theme {
    transition: none;
  }

  .sb-26__theme:hover {
    transform: none;
  }
}
```

## JavaScript
```js
(()=>{const r=document.querySelector('.sb-26');if(!r)return;const t=r.querySelector('.sb-26__theme');if(!t)return;const dark=()=>(r.dataset.theme||(matchMedia('(prefers-color-scheme: dark)').matches?'dark':'light'))==='dark';const sync=()=>{t.setAttribute('aria-pressed',String(dark()));t.setAttribute('aria-label',dark()?'Switch to light theme':'Switch to dark theme');};t.addEventListener('click',()=>{r.dataset.theme=dark()?'light':'dark';sync();});matchMedia('(prefers-color-scheme: dark)').addEventListener('change',()=>{if(!r.dataset.theme)sync();});sync();})();
```

How this works

Style the native control, never replace it. appearance:none strips the OS look and leaves you a real checkbox that still fires change, still toggles on Space, and is still announced correctly:

.sb-26__check{appearance:none; inline-size:18px; block-size:18px;
  border:1.5px solid var(--line); border-radius:5px;}
.sb-26__check:checked{background:var(--acc); border-color:var(--acc);}
.sb-26__check:checked::after{content:''; /* drawn tick */
  inline-size:5px; block-size:9px; border:2px solid #fff; border-block-start:0; border-inline-start:0;
  rotate:45deg;}

The tick is two borders of a zero-content box rotated 45° — sharper at every DPR than an SVG scaled to 9px.

Highlight the active facet with :has(): .sb-26__row:has(:checked){background:var(--wash); color:var(--ink)}. That is the whole "selected filter" state, no class toggling.

The range input needs vendor pseudo-elements per engine; declare them in separate rules (a combined selector list is dropped entirely by browsers that do not recognise one of the parts).

Make it yours

  • Facets are rows: label, count, control. Add or remove them freely; the grid handles alignment.
  • Swap the range for a dual-thumb price filter by stacking two inputs and reading both values in JS.
  • To show an active-filter count, add a live-region badge in the header and update it in your change handler.
  • Move the whole block into a drawer on mobile by wrapping it in a <dialog> (see demo #01 for the pattern).

Gotchas — read before shipping

  • A range input's ::-webkit-slider-runnable-track and ::-moz-range-track must be styled in separate rules — one unknown selector invalidates the entire list.
  • Do not hide the checkbox and style a sibling <span>: you lose the focus ring, forced-colors support and the ability to click the control itself.
  • Filter counts must reflect the current query, or they teach users the wrong thing; render them server-side per facet.
  • Keep 44px row heights on touch even in a dense sidebar — filters are tapped, not read.

Browser support

ChromeSafariFirefoxEdge
105+15.4+121+105+

appearance:none on checkboxes and radios is baseline. :has() (Chrome 105 / Safari 15.4 / Firefox 121) is used for row highlighting only. accent-color is set as a one-line fallback for browsers where the custom tick fails.

Techniques used in this demo

:focus-withinMDN ↗:has()MDN ↗backdrop-filterMDN ↗clip-pathMDN ↗role="" (ARIA)MDN ↗clamp()MDN ↗

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