.checkbox-container {
  display: inline-block;
  position: relative;
  width: 50px;
  height: 50px;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f0f0f0;
  border-radius: 50%;
  box-shadow:
    0 4px 8px rgba(0, 0, 0, 0.2),
    inset 0 4px 6px rgba(255, 255, 255, 0.5);
  transition:
    background-color 0.3s ease,
    box-shadow 0.3s ease;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: #007bff;
  box-shadow:
    inset 0 6px 12px rgba(0, 0, 0, 0.2),
    0 4px 8px rgba(0, 0, 0, 0.1);
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  background-color: white;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.3s ease;
}

.checkbox-container input:checked ~ .checkmark:after {
  transform: translate(-50%, -50%) scale(1);
}