.checkbox-wrapper {
  position: relative;
  cursor: pointer;
  width: 80px;
  height: 80px;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}

.checkbox-wrapper:hover {
  transform: rotateX(10deg) rotateY(10deg);
}

.checkbox-wrapper input {
  opacity: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}

.checkbox {
  position: relative;
  width: 100%;
  height: 100%;
  background: #2c2c2c;
  border-radius: 20px;
  box-shadow:
    0 8px 16px rgba(0, 0, 0, 0.3),
    inset 0 -8px 16px rgba(0, 0, 0, 0.2),
    inset 0 8px 16px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
  transform-style: preserve-3d;
}

.checkbox::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 150%;
  top: -25%;
  left: -25%;
  background: linear-gradient(45deg, #00ff87, #60efff, #00ff87, #60efff);
  background-size: 300% 300%;
  border-radius: 20px;
  opacity: 0;
  transform-origin: center;
  transform: scale(0) rotate(180deg);
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.checkbox::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  color: white;
  font-size: 40px;
  font-weight: bold;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5) rotate(-45deg);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
}

.checkbox-wrapper:hover .checkbox {
  transform: translateY(-5px) translateZ(10px);
  box-shadow:
    0 15px 25px rgba(0, 0, 0, 0.4),
    inset 0 -8px 16px rgba(0, 0, 0, 0.2),
    inset 0 8px 16px rgba(255, 255, 255, 0.1);
}

.checkbox-wrapper input:checked ~ .checkbox::before {
  opacity: 1;
  transform: scale(1) rotate(0deg);
  animation: gradientMove 3s linear infinite;
}

.checkbox-wrapper input:checked ~ .checkbox::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
  transition-delay: 0.2s;
}

.checkbox-wrapper input:checked ~ .checkbox {
  transform: translateY(-5px) translateZ(20px);
  animation: glowPulse 2s infinite;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes glowPulse {
  0%,
  100% {
    box-shadow:
      0 15px 25px rgba(0, 0, 0, 0.4),
      inset 0 -8px 16px rgba(0, 0, 0, 0.2),
      inset 0 8px 16px rgba(255, 255, 255, 0.1),
      0 0 20px rgba(96, 239, 255, 0.5);
  }
  50% {
    box-shadow:
      0 15px 25px rgba(0, 0, 0, 0.4),
      inset 0 -8px 16px rgba(0, 0, 0, 0.2),
      inset 0 8px 16px rgba(255, 255, 255, 0.1),
      0 0 40px rgba(0, 255, 135, 0.8);
  }
}

.checkbox-wrapper input:active ~ .checkbox::before {
  transition: 0s;
  opacity: 0.5;
}