Scrub Thumbnail Preview

<!-- Scrub Thumbnail Preview — card floats above the thumb while hovering/scrubbing -->
<div class="nuda-vp2-thumb-preview">
  <div class="nuda-vp2-thumb-preview__frame" aria-hidden="true"></div>
  <div class="nuda-vp2-thumb-preview__scrubwrap">
    <input
      class="nuda-vp2-thumb-preview__range"
      type="range" min="0" max="100" value="38"
      aria-label="Seek" aria-valuetext="1:12 of 3:10"
    />
    <div class="nuda-vp2-thumb-preview__card" style="left: 38%" aria-hidden="true">
      <span class="nuda-vp2-thumb-preview__thumb"></span>
      <span class="nuda-vp2-thumb-preview__time">1:12</span>
    </div>
  </div>
</div>

.nuda-vp2-thumb-preview {
  position: relative;
  width: 300px;
  height: 170px;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg,#1a1a1f,#0e0e10);
}

.nuda-vp2-thumb-preview__frame {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%,rgba(228,255,84,.15),transparent 60%),linear-gradient(160deg,#1c1c22,#0a0a0c);
}

.nuda-vp2-thumb-preview__scrubwrap {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
}

.nuda-vp2-thumb-preview__range {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg,#e4ff54 0 38%,rgba(255,255,255,.22) 38% 100%);
  cursor: pointer;
  outline: 0;
  margin: 0;
  position: relative;
  z-index: 1;
}

.nuda-vp2-thumb-preview__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fafafa;
  border: 2px solid #e4ff54;
  cursor: pointer;
}

.nuda-vp2-thumb-preview__range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fafafa;
  border: 2px solid #e4ff54;
  cursor: pointer;
}

.nuda-vp2-thumb-preview__card {
  position: absolute;
  bottom: 22px;
  left: 38%;
  transform: translateX(-50%) translateY(6px) scale(.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease,transform .2s ease;
}

.nuda-vp2-thumb-preview__scrubwrap:hover .nuda-vp2-thumb-preview__card, .nuda-vp2-thumb-preview__range:focus-visible ~ .nuda-vp2-thumb-preview__card {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
}

.nuda-vp2-thumb-preview__thumb {
  width: 64px;
  height: 36px;
  border-radius: 6px;
  background: linear-gradient(135deg,#2a2a32,#151519);
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 6px 16px rgba(0,0,0,.5);
}

.nuda-vp2-thumb-preview__time {
  font: 700 9px ui-monospace,monospace;
  color: #fafafa;
  background: rgba(0,0,0,.7);
  padding: 2px 5px;
  border-radius: 4px;
}

@media (prefers-reduced-motion:reduce) {
  .nuda-vp2-thumb-preview__card {
    transition: opacity .15s ease;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  .nuda-vp2-thumb-preview__scrubwrap:hover .nuda-vp2-thumb-preview__card, .nuda-vp2-thumb-preview__range:focus-visible ~ .nuda-vp2-thumb-preview__card {
    transform: translateX(-50%) translateY(0) scale(1);
  }
}