*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: #f1f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.fold-wrapper {
  perspective: 1200px;
  width: 300px;
  cursor: pointer;
}

.fold-panel {
  width: 100%;
  background: #ffffff;
  transform-style: preserve-3d;
}

.panel-top {
  position: relative;
  z-index: 3;
  padding: 30px 20px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.panel-top h3 {
  margin: 0 0 5px 0;
  color: #0f172a;
}

.panel-top p {
  margin: 0 0 20px 0;
  color: #64748b;
}

.expand-btn {
  background: #f1f5f9;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  color: #3b82f6;
  cursor: pointer;
}

.panel-mid {
  position: relative;
  transform-origin: top center;
  transform: rotateX(-110deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  /* Make the back invisible cleanly */
  backface-visibility: hidden;
  background: #f8fafc;
}

.mid-content {
  padding: 10px;
  border-left: 1px solid #e2e8f0;
  border-right: 1px solid #e2e8f0;
}

.map-img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.panel-bottom {
  position: absolute;
  top: 100%;
  left: 0;
  transform-origin: top center;
  transform: rotateX(100deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  backface-visibility: hidden;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.15);
  border: 1px solid #e2e8f0;
  border-top: none;
}

.bottom-content {
  padding: 20px;
  color: #334155;
  line-height: 1.6;
  text-align: center;
  font-size: 0.95rem;
}

/* Safely apply opened states via parent class */
.fold-wrapper.is-open .panel-mid {
  transform: rotateX(0deg);
}

.fold-wrapper.is-open .panel-bottom {
  transform: rotateX(0deg);
}

const wrapper = document.getElementById("fold-wrapper");

wrapper.addEventListener("click", function() {
  wrapper.classList.toggle("is-open");
  
  const btn = document.getElementById("expand-btn");
  if (wrapper.classList.contains("is-open")) {
    btn.innerText = "Close ↑";
  } else {
    btn.innerText = "View Details ↓";
  }
});