Function selectElement

app.js:4650–4667

(id, push = true)

function selectElement(id, push = true) {
  selectedId = id;
  selectedIds = new Set([id]);
  updatePropsInputs();
  renderElements();
  renderLayers();
  if (push) pushHistory();

  // Add visual feedback for selection
  setTimeout(() => {
    const elementDiv = document.querySelector(`[data-id="${id}"]`);
    if (elementDiv) {
      elementDiv.style.animation = 'none';
      elementDiv.offsetHeight; // Trigger reflow
      elementDiv.style.animation = 'pulse 0.3s ease-out';
    }
  }, 50);
}

function toggleSelectElement(id, push = true) {
  if (!selectedIds || !(selectedIds instanceof Set)) selectedIds = new Set();