Confetti Pop Checkbox

<!--
  Author: @emma-lake
  License: MIT
  Tags: #buttons #css #interface #opensource #codepeek
-->
<label class="confetti-check">
  <input type="checkbox" class="confetti-check__input" />
  <span class="confetti-check__circle">
    <svg viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3">
      <path d="M4 12.5L9.5 18L20 6.5" stroke-linecap="round" stroke-linejoin="round"/>
    </svg>
    <i style="--x:-18px;--y:-16px;--c:#f472b6;"></i>
    <i style="--x:18px;--y:-14px;--c:#38bdf8;"></i>
    <i style="--x:-14px;--y:16px;--c:#fbbf24;"></i>
    <i style="--x:16px;--y:18px;--c:#a78bfa;"></i>
  </span>
  <span class="confetti-check__label">Task completed</span>
</label>

/*
 * Author: @emma-lake
 * License: MIT
 * Tags: #buttons #css #interface #opensource #codepeek
 */

.confetti-check {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  font-family: system-ui, sans-serif;
  color: #9a9aa5;
  font-size: 15px;
}
.confetti-check__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.confetti-check__circle {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #17171d;
  border: 2px solid #3a3a44;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.confetti-check__circle svg {
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.confetti-check__input:checked ~ .confetti-check__circle {
  background: #22c55e;
  border-color: #22c55e;
  animation: confetti-checked-glow 2.2s ease-in-out infinite;
}
@keyframes confetti-checked-glow {
  0%, 100% { box-shadow: 0 0 6px 0 rgba(34, 197, 94, 0.35); }
  50% { box-shadow: 0 0 14px 3px rgba(34, 197, 94, 0.6); }
}
.confetti-check__input:checked ~ .confetti-check__circle svg {
  opacity: 1;
}
.confetti-check__circle i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--c);
  opacity: 0;
}
.confetti-check__input:checked ~ .confetti-check__circle i {
  animation: confetti-pop 0.6s ease-out forwards;
}
.confetti-check__input:checked ~ .confetti-check__label {
  color: #f4f4f5;
}
@keyframes confetti-pop {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) translate(var(--x), var(--y)) scale(0.3); }
}