.container {
  --size: 2.2rem;
  --active-color: #4f46e5;
  --idle-color: #e2e8f0;
  display: block;
  position: relative;
  width: var(--size);
  height: var(--size);
  cursor: pointer;
  user-select: none;
  transition: transform 0.2s ease;
}

.container:hover {
  transform: scale(1.1);
}

.container input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: white;
  border: 3px solid var(--idle-color);
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
  align-items: center;
}

.container input:checked ~ .checkmark {
  background-color: var(--active-color);
  border-color: var(--active-color);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.container input:focus-visible ~ .checkmark {
  outline: 3px solid #93c5fd;
  outline-offset: 4px;
}

.checkmark svg {
  width: 65%;
  height: 65%;
  fill: none;
  stroke: white;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: all 0.3s ease;
  transition-delay: 0.1s;
}

.container input:checked ~ .checkmark svg {
  stroke-dashoffset: 0;
}

@keyframes bounce {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

.container input:active ~ .checkmark {
  transform: scale(0.85);
}