Lock Shackle Lift

<button class="nuda-ai2-lock-shackle" type="button" aria-label="Unlock" aria-pressed="false">
  <svg class="nuda-ai2-lock-shackle__svg" viewBox="0 0 24 24" aria-hidden="true">
    <path class="nuda-ai2-lock-shackle__shackle" d="M7 11V7a5 5 0 0 1 10 0v4" />
    <rect class="nuda-ai2-lock-shackle__body" x="3" y="11" width="18" height="11" rx="2" ry="2" />
    <line class="nuda-ai2-lock-shackle__key" x1="12" y1="15.5" x2="12" y2="18" />
  </svg>
</button>

/* Lock Shackle Lift — vanilla JS
   Flips aria-pressed/label; CSS lifts the shackle open. */

(function () {
  document.querySelectorAll(".nuda-ai2-lock-shackle").forEach(function (btn) {
    btn.addEventListener("click", function () {
      var unlocked = btn.getAttribute("aria-pressed") !== "true";
      btn.setAttribute("aria-pressed", String(unlocked));
      btn.setAttribute("aria-label", unlocked ? "Lock" : "Unlock");
    });
  });
})();

.nuda-ai2-lock-shackle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #09090b;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  color: #fafafa;
  cursor: pointer;
  transition: border-color .25s,color .25s;
}

.nuda-ai2-lock-shackle:hover,.nuda-ai2-lock-shackle:focus-visible {
  border-color: rgba(228,255,84,.4);
  outline: none;
}

.nuda-ai2-lock-shackle:focus-visible {
  box-shadow: 0 0 0 2px rgba(228,255,84,.5);
}

.nuda-ai2-lock-shackle[aria-pressed="true"] {
  color: #e4ff54;
}

.nuda-ai2-lock-shackle__svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.nuda-ai2-lock-shackle__shackle {
  transform-origin: 7px 11px;
  transition: transform .35s cubic-bezier(.4,.2,.2,1.2);
}

.nuda-ai2-lock-shackle__key {
  transition: opacity .2s,transform .25s;
  transform-origin: 12px 15.5px;
}

.nuda-ai2-lock-shackle[aria-pressed="true"] .nuda-ai2-lock-shackle__shackle {
  transform: translate(2px,-3px) rotate(25deg);
}

.nuda-ai2-lock-shackle[aria-pressed="true"] .nuda-ai2-lock-shackle__key {
  opacity: 0;
  transform: scaleY(.4);
}

@media (prefers-reduced-motion:reduce) {
  .nuda-ai2-lock-shackle__shackle,.nuda-ai2-lock-shackle__key {
    transition: none;
  }
}