12 CSS Neon Designs 05 / 12

Neon Form Controls

A "System Controls" panel with three glowing toggle rows (Neural Link cyan, Threat Scanner pink, Hologram HUD amber) that flip ON/OFF with text labels syncing to colour, two custom range sliders (cyan Signal Power and pink Plasma Charge) whose filled-track gradient updates as the user drags, three violet checkboxes for module selection (Crypto / Stealth / Override), and three yellow radio buttons for operating mode (Passive / Active / Combat).

Best forcyberpunk dashboards, gaming HUDs, futuristic settings panels, sci-fi product UIs.

CSS + JS MIT licensed
Live Demo Open in tab
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The code

<section class="nn-ctl" aria-label="Neon form controls demo">
  <div class="panel">

    <span class="panel-label">System Controls — v2.4.1</span>
    <div class="divider" aria-hidden="true"></div>

    <div class="toggles">
      <div class="row">
        <span class="ctrl-label">Neural Link</span>
        <div class="toggle-wrap">
          <span class="toggle-status" data-ctl-status data-on-color="#00ffcc" data-off-color="rgba(0,255,204,0.5)">OFF</span>
          <label>
            <input type="checkbox" class="toggle-input" checked />
            <div class="toggle-track cyan"><div class="toggle-knob"></div></div>
          </label>
        </div>
      </div>

      <div class="row">
        <span class="ctrl-label">Threat Scanner</span>
        <div class="toggle-wrap">
          <span class="toggle-status" data-ctl-status data-on-color="#ff2d78" data-off-color="rgba(255,45,120,0.5)">OFF</span>
          <label>
            <input type="checkbox" class="toggle-input" />
            <div class="toggle-track pink"><div class="toggle-knob"></div></div>
          </label>
        </div>
      </div>

      <div class="row">
        <span class="ctrl-label">Hologram HUD</span>
        <div class="toggle-wrap">
          <span class="toggle-status" data-ctl-status data-on-color="#ffb400" data-off-color="rgba(255,180,0,0.5)">OFF</span>
          <label>
            <input type="checkbox" class="toggle-input" checked />
            <div class="toggle-track amber"><div class="toggle-knob"></div></div>
          </label>
        </div>
      </div>
    </div>

    <div class="divider" aria-hidden="true"></div>

    <div class="slider-wrap">
      <div class="slider-header">
        <span class="ctrl-label">Signal Power</span>
        <span class="slider-val cyan" data-ctl-sliderval>65%</span>
      </div>
      <input type="range" class="cyan-range" min="0" max="100" value="65" style="--p:65%" aria-label="Signal Power" />
    </div>

    <div class="slider-wrap">
      <div class="slider-header">
        <span class="ctrl-label">Plasma Charge</span>
        <span class="slider-val pink" data-ctl-sliderval>40%</span>
      </div>
      <input type="range" class="pink-range" min="0" max="100" value="40" style="--p:40%" aria-label="Plasma Charge" />
    </div>

    <div class="divider" aria-hidden="true"></div>

    <div>
      <span class="ctrl-label section">Modules</span>
      <div class="checks">
        <label class="check-item">
          <input type="checkbox" checked />
          <div class="check-box"><svg viewBox="0 0 12 12" aria-hidden="true"><polyline points="1.5,6 4.5,9 10.5,3"/></svg></div>
          <span class="check-text">Crypto</span>
        </label>
        <label class="check-item">
          <input type="checkbox" checked />
          <div class="check-box"><svg viewBox="0 0 12 12" aria-hidden="true"><polyline points="1.5,6 4.5,9 10.5,3"/></svg></div>
          <span class="check-text">Stealth</span>
        </label>
        <label class="check-item">
          <input type="checkbox" />
          <div class="check-box"><svg viewBox="0 0 12 12" aria-hidden="true"><polyline points="1.5,6 4.5,9 10.5,3"/></svg></div>
          <span class="check-text">Override</span>
        </label>
      </div>
    </div>

    <div>
      <span class="ctrl-label section">Mode</span>
      <div class="radios">
        <label class="radio-item">
          <input type="radio" name="nn-ctl-mode" value="low" />
          <div class="radio-dot"></div>
          <span class="radio-text">Passive</span>
        </label>
        <label class="radio-item">
          <input type="radio" name="nn-ctl-mode" value="mid" checked />
          <div class="radio-dot"></div>
          <span class="radio-text">Active</span>
        </label>
        <label class="radio-item">
          <input type="radio" name="nn-ctl-mode" value="high" />
          <div class="radio-dot"></div>
          <span class="radio-text">Combat</span>
        </label>
      </div>
    </div>

  </div>
</section>
/* ─── 05 Neon Form Controls — futuristic system panel ──────────── */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Chakra+Petch:wght@400;600;700&display=swap');

.nn-ctl {
  position: relative;
  width: 100%;
  min-height: 760px;
  background: #050510;
  font-family: 'Chakra Petch', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  overflow: hidden;
  box-sizing: border-box;
}

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

.nn-ctl .panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: rgba(10,10,28,0.9);
  border: 1px solid rgba(0,255,200,0.1);
  padding: 40px 50px;
  box-shadow:
    0 0 40px rgba(0,255,200,0.04),
    inset 0 0 60px rgba(0,0,30,0.5);
  width: 420px;
  max-width: 100%;
}

.nn-ctl .panel-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(0,255,200,0.5);
  margin-bottom: -16px;
  font-family: 'Share Tech Mono', monospace;
}

.nn-ctl .toggles { display: flex; flex-direction: column; gap: 16px; }
.nn-ctl .row { display: flex; align-items: center; justify-content: space-between; }
.nn-ctl .ctrl-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(200,200,240,0.75);
  text-transform: uppercase;
  font-weight: 600;
}
.nn-ctl .ctrl-label.section { font-size: 10px; display: block; margin-bottom: 12px; }

/* TOGGLES */
.nn-ctl .toggle-wrap { display: flex; align-items: center; gap: 10px; }
.nn-ctl .toggle-input { position: absolute; opacity: 0; width: 0; height: 0; }
.nn-ctl .toggle-track {
  display: flex;
  align-items: center;
  width: 58px;
  height: 28px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  cursor: pointer;
  padding: 3px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.nn-ctl .toggle-track::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nn-ctl .toggle-knob {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(180,180,200,0.4);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.nn-ctl .toggle-input:checked ~ .toggle-track.cyan {
  background: rgba(0,255,204,0.12);
  border-color: rgba(0,255,204,0.5);
  box-shadow: 0 0 12px rgba(0,255,204,0.3), inset 0 0 12px rgba(0,255,204,0.06);
}
.nn-ctl .toggle-input:checked ~ .toggle-track.cyan .toggle-knob {
  transform: translateX(30px);
  background: #00ffcc;
  box-shadow: 0 0 10px #00ffcc, 0 0 22px rgba(0,255,204,0.6);
}
.nn-ctl .toggle-input:checked ~ .toggle-track.cyan::before {
  background: radial-gradient(ellipse at 30% 50%, rgba(0,255,204,0.2), transparent 70%);
  opacity: 1;
}

.nn-ctl .toggle-input:checked ~ .toggle-track.pink {
  background: rgba(255,45,120,0.12);
  border-color: rgba(255,45,120,0.5);
  box-shadow: 0 0 12px rgba(255,45,120,0.3), inset 0 0 12px rgba(255,45,120,0.06);
}
.nn-ctl .toggle-input:checked ~ .toggle-track.pink .toggle-knob {
  transform: translateX(30px);
  background: #ff2d78;
  box-shadow: 0 0 10px #ff2d78, 0 0 22px rgba(255,45,120,0.6);
}

.nn-ctl .toggle-input:checked ~ .toggle-track.amber {
  background: rgba(255,180,0,0.12);
  border-color: rgba(255,180,0,0.5);
  box-shadow: 0 0 12px rgba(255,180,0,0.3), inset 0 0 12px rgba(255,180,0,0.06);
}
.nn-ctl .toggle-input:checked ~ .toggle-track.amber .toggle-knob {
  transform: translateX(30px);
  background: #ffb400;
  box-shadow: 0 0 10px #ffb400, 0 0 22px rgba(255,180,0,0.6);
}

.nn-ctl .toggle-status {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  min-width: 30px;
  text-align: right;
  transition: all 0.3s;
}

/* SLIDERS */
.nn-ctl .slider-wrap { display: flex; flex-direction: column; gap: 8px; }
.nn-ctl .slider-header { display: flex; justify-content: space-between; align-items: center; }
.nn-ctl .slider-val {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
}
.nn-ctl .slider-val.cyan { color: #00ffcc; text-shadow: 0 0 8px #00ffcc; }
.nn-ctl .slider-val.pink { color: #ff2d78; text-shadow: 0 0 8px #ff2d78; }

.nn-ctl input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  background: rgba(255,255,255,0.08);
  position: relative;
}
.nn-ctl input[type="range"].cyan-range {
  background: linear-gradient(to right, #00ffcc var(--p, 65%), rgba(255,255,255,0.08) var(--p, 65%));
  box-shadow: 0 0 6px rgba(0,255,204,0.4);
}
.nn-ctl input[type="range"].pink-range {
  background: linear-gradient(to right, #ff2d78 var(--p, 40%), rgba(255,255,255,0.08) var(--p, 40%));
  box-shadow: 0 0 6px rgba(255,45,120,0.4);
}
.nn-ctl input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  transition: box-shadow 0.2s;
}
.nn-ctl input[type="range"].cyan-range::-webkit-slider-thumb {
  background: #00ffcc;
  box-shadow: 0 0 8px #00ffcc, 0 0 18px rgba(0,255,204,0.5);
}
.nn-ctl input[type="range"].cyan-range:hover::-webkit-slider-thumb {
  box-shadow: 0 0 14px #00ffcc, 0 0 30px rgba(0,255,204,0.7);
}
.nn-ctl input[type="range"].pink-range::-webkit-slider-thumb {
  background: #ff2d78;
  box-shadow: 0 0 8px #ff2d78, 0 0 18px rgba(255,45,120,0.5);
}
.nn-ctl input[type="range"].pink-range:hover::-webkit-slider-thumb {
  box-shadow: 0 0 14px #ff2d78, 0 0 30px rgba(255,45,120,0.7);
}
.nn-ctl input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
}
.nn-ctl input[type="range"].cyan-range::-moz-range-thumb {
  background: #00ffcc;
  box-shadow: 0 0 8px #00ffcc, 0 0 18px rgba(0,255,204,0.5);
}
.nn-ctl input[type="range"].pink-range::-moz-range-thumb {
  background: #ff2d78;
  box-shadow: 0 0 8px #ff2d78, 0 0 18px rgba(255,45,120,0.5);
}

/* CHECKBOXES */
.nn-ctl .checks { display: flex; gap: 20px; flex-wrap: wrap; }
.nn-ctl .check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  position: relative;
}
.nn-ctl .check-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.nn-ctl .check-box {
  width: 18px;
  height: 18px;
  border: 1.5px solid rgba(191,95,255,0.4);
  background: rgba(191,95,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.nn-ctl .check-box svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: #bf5fff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.2s ease;
}
.nn-ctl .check-item input:checked ~ .check-box {
  border-color: #bf5fff;
  background: rgba(191,95,255,0.15);
  box-shadow: 0 0 8px rgba(191,95,255,0.45), inset 0 0 6px rgba(191,95,255,0.1);
}
.nn-ctl .check-item input:checked ~ .check-box svg { opacity: 1; transform: scale(1); }
.nn-ctl .check-text {
  font-size: 11px;
  color: rgba(200,200,240,0.65);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* RADIOS */
.nn-ctl .radios { display: flex; gap: 16px; flex-wrap: wrap; }
.nn-ctl .radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  position: relative;
}
.nn-ctl .radio-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.nn-ctl .radio-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,220,0,0.35);
  background: rgba(255,220,0,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.nn-ctl .radio-dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ffdc00;
  box-shadow: 0 0 6px #ffdc00, 0 0 14px rgba(255,220,0,0.6);
  transform: scale(0);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.nn-ctl .radio-item input:checked ~ .radio-dot {
  border-color: #ffdc00;
  box-shadow: 0 0 8px rgba(255,220,0,0.4);
}
.nn-ctl .radio-item input:checked ~ .radio-dot::before { transform: scale(1); }
.nn-ctl .radio-text {
  font-size: 11px;
  color: rgba(200,200,240,0.65);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.nn-ctl .divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,200,0.12), transparent);
}

@media (max-width: 520px) {
  .nn-ctl .panel { padding: 28px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .nn-ctl * { transition: none !important; }
}
(() => {
  // Scoped wiring for the System Controls panel. Replaces the source
  // mock's inline onchange/oninput handlers (which called global
  // updateStatus / updateSlider) with a single scoped delegator so
  // multiple instances safely coexist on one page.
  const root = document.querySelector('.nn-ctl');
  if (!root) return;

  // Toggle ON/OFF status text
  function paintToggle(input) {
    const wrap = input.closest('.toggle-wrap');
    if (!wrap) return;
    const status = wrap.querySelector('[data-ctl-status]');
    if (!status) return;
    const on  = status.dataset.onColor  || '#00ffcc';
    const off = status.dataset.offColor || 'rgba(255,255,255,0.5)';
    status.textContent = input.checked ? 'ON' : 'OFF';
    status.style.color = input.checked ? on : off;
    status.style.textShadow = input.checked ? '0 0 8px ' + on : 'none';
  }
  root.querySelectorAll('.toggle-input').forEach(paintToggle);
  root.addEventListener('change', (e) => {
    if (e.target && e.target.matches && e.target.matches('.toggle-input')) {
      paintToggle(e.target);
    }
  });

  // Range slider fill + label
  function paintSlider(range) {
    const wrap = range.closest('.slider-wrap');
    if (!wrap) return;
    const val = wrap.querySelector('[data-ctl-sliderval]');
    const pct = range.value + '%';
    if (val) val.textContent = pct;
    range.style.setProperty('--p', pct);
  }
  root.querySelectorAll('input[type="range"]').forEach(paintSlider);
  root.addEventListener('input', (e) => {
    if (e.target && e.target.matches && e.target.matches('input[type="range"]')) {
      paintSlider(e.target);
    }
  });
})();

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