Sliding Dot Radio Buttons

<div class="rad-sliding-dot-radio" role="radiogroup" aria-label="Notifications">
  <span class="rad-sliding-dot-radio-dot" aria-hidden="true"></span>
  <label><input type="radio" name="rad-sliding-dot-radio" value="all" checked><span>All activity</span></label>
  <label><input type="radio" name="rad-sliding-dot-radio" value="mentions"><span>Mentions only</span></label>
  <label><input type="radio" name="rad-sliding-dot-radio" value="none"><span>Nothing</span></label>
</div>

.rad-sliding-dot-radio {
  --c: var(--rad-color, #3b82f6);
  font-size: var(--rad-size, 18px);
  --i: 0;
  position: relative;
  display: grid;
  gap: 0.6em;
  font-family: system-ui, sans-serif;
  line-height: 1.2;
}
.rad-sliding-dot-radio label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.7em;
  height: 1.6em;
  cursor: pointer;
}
.rad-sliding-dot-radio label::before {
  content: "";
  flex: none;
  box-sizing: border-box;
  width: 1.3em;
  height: 1.3em;
  border: 0.12em solid color-mix(in srgb, currentColor 30%, transparent);
  border-radius: 50%;
  transition: border-color 0.3s ease;
}
.rad-sliding-dot-radio label:hover::before {
  border-color: color-mix(in srgb, var(--c) 60%, transparent);
}
.rad-sliding-dot-radio label:has(:checked)::before {
  border-color: var(--c);
}
.rad-sliding-dot-radio input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}
.rad-sliding-dot-radio input + span {
  color: color-mix(in srgb, currentColor 65%, transparent);
  transition: color 0.3s ease;
}
.rad-sliding-dot-radio input:checked + span {
  color: currentColor;
}
.rad-sliding-dot-radio input:focus-visible + span {
  outline: 0.12em solid var(--c);
  outline-offset: 0.2em;
  border-radius: 0.2em;
}
.rad-sliding-dot-radio-dot {
  position: absolute;
  top: 0.5em;
  left: 0.35em;
  width: 0.6em;
  height: 0.6em;
  border-radius: 50%;
  background: var(--c);
  translate: 0 calc(var(--i) * 2.2em);
  transition: translate 0.5s cubic-bezier(0.6, -0.3, 0.3, 1.3), scale 0.2s ease;
  animation: rad-sliding-dot-radio-hop-a 0.5s ease;
}
.rad-sliding-dot-radio:has(label:nth-of-type(2) :checked) { --i: 1; }
.rad-sliding-dot-radio:has(label:nth-of-type(3) :checked) { --i: 2; }
.rad-sliding-dot-radio:has(label:nth-of-type(2) :checked) .rad-sliding-dot-radio-dot { animation-name: rad-sliding-dot-radio-hop-b; }
.rad-sliding-dot-radio:has(label:nth-of-type(3) :checked) .rad-sliding-dot-radio-dot { animation-name: rad-sliding-dot-radio-hop-c; }
.rad-sliding-dot-radio:not(:has(:checked)) .rad-sliding-dot-radio-dot { scale: 0; }
/* Three identical keyframes: a new name restarts the squash on every change. */
@keyframes rad-sliding-dot-radio-hop-a {
  0%, 100% { transform: scale(1); }
  35% { transform: scale(0.75, 1.5); }
  70% { transform: scale(1.25, 0.8); }
}
@keyframes rad-sliding-dot-radio-hop-b {
  0%, 100% { transform: scale(1); }
  35% { transform: scale(0.75, 1.5); }
  70% { transform: scale(1.25, 0.8); }
}
@keyframes rad-sliding-dot-radio-hop-c {
  0%, 100% { transform: scale(1); }
  35% { transform: scale(0.75, 1.5); }
  70% { transform: scale(1.25, 0.8); }
}

@media (prefers-reduced-motion: reduce) {
  .rad-sliding-dot-radio, .rad-sliding-dot-radio *, .rad-sliding-dot-radio::before, .rad-sliding-dot-radio::after, .rad-sliding-dot-radio *::before, .rad-sliding-dot-radio *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Similar radio buttons