* {
  box-sizing: border-box;
}
body {
  background: #0f1116;
  color: #fff;
  font-family: system-ui;
  padding: 50px;
}
h1 {
  text-align: center;
  font-weight: 500;
  margin-bottom: 50px;
}

.hk-toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: auto;
}

.hk-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hk-toggle span {
  font-size: 13px;
  opacity: 0.8;
}

.hk-toggle input {
  display: none;
}
.hk-toggle label {
  width: 78px;
  height: 38px;
  border-radius: 40px;
  position: relative;
  cursor: pointer;
}
.hk-toggle label::after {
  content: "";
  width: 30px;
  height: 30px;
  position: absolute;
  top: 4px;
  left: 4px;
  border-radius: 50%;
  transition: 0.35s;
}

/* 1 Cyber */
.hk-tg-1 label {
  background: #111;
}
.hk-tg-1 label::after {
  background: #00f0ff;
}
.hk-tg-1 input:checked + label::after {
  transform: translateX(38px);
  box-shadow: 0 0 15px #00f0ff;
}

/* 2 iOS */
.hk-tg-2 label {
  background: #3a3f45;
}
.hk-tg-2 label::after {
  background: #fff;
}
.hk-tg-2 input:checked + label {
  background: #34c759;
}
.hk-tg-2 input:checked + label::after {
  transform: translateX(38px);
}

/* 3 Material */
.hk-tg-3 label {
  background: #1f232b;
}
.hk-tg-3 label::after {
  background: #9aa0a6;
}
.hk-tg-3 input:checked + label {
  background: #1a73e8;
}
.hk-tg-3 input:checked + label::after {
  transform: translateX(38px);
  background: #fff;
}

/* 4 Neumorphism */
.hk-tg-4 label {
  background: #0e1015;
  box-shadow: inset 3px 3px 6px #05070a, inset -3px -3px 6px #1c2030;
}
.hk-tg-4 label::after {
  background: #e4e7ec;
}
.hk-tg-4 input:checked + label::after {
  transform: translateX(38px);
}

/* 5 Glass */
.hk-tg-5 label {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.hk-tg-5 label::after {
  background: #fff;
}
.hk-tg-5 input:checked + label::after {
  transform: translateX(38px);
}

/* 6 Minimal */
.hk-tg-6 label {
  background: #222;
}
.hk-tg-6 label::after {
  width: 18px;
  height: 18px;
  top: 10px;
  left: 10px;
  background: #aaa;
}
.hk-tg-6 input:checked + label {
  background: #00e5a8;
}
.hk-tg-6 input:checked + label::after {
  transform: translateX(40px);
  background: #fff;
}

/* 7 Glow */
.hk-tg-7 label {
  background: #262a33;
}
.hk-tg-7 label::after {
  background: #fff;
}
.hk-tg-7 input:checked + label::after {
  transform: translateX(38px);
  box-shadow: 0 0 18px #4f8cff;
}

/* 8 Outline */
.hk-tg-8 label {
  background: transparent;
  border: 2px solid #555;
}
.hk-tg-8 label::after {
  background: #555;
}
.hk-tg-8 input:checked + label {
  border-color: #4f8cff;
}
.hk-tg-8 input:checked + label::after {
  transform: translateX(38px);
  background: #4f8cff;
}

/* 9 Fill Slide */
.hk-tg-9 label {
  background: #1a1d24;
  overflow: hidden;
}
.hk-tg-9 label::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #ff7a18;
  transform: scaleX(0);
  transform-origin: left;
  transition: 0.35s;
}
.hk-tg-9 label::after {
  background: #fff;
  z-index: 2;
}
.hk-tg-9 input:checked + label::before {
  transform: scaleX(1);
}
.hk-tg-9 input:checked + label::after {
  transform: translateX(38px);
}

/* 10 Pulse */
.hk-tg-10 label {
  background: #232733;
}
.hk-tg-10 label::after {
  background: #fff;
}
.hk-tg-10 input:checked + label {
  background: #6a5cff;
}
.hk-tg-10 input:checked + label::after {
  transform: translateX(38px);
  animation: pulse 0.8s ease;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(106, 92, 255, 0.7);
  }
  100% {
    box-shadow: 0 0 0 14px rgba(106, 92, 255, 0);
  }
}