<div class="popover-wrapper" id="popoverWrapper">
  <!-- Animation Controller Dropdown -->
  <div class="controls-container">
    <label for="animationStyle" class="control-label">Choose Pop-over Animation:</label>
    <div class="select-wrapper">
      <select id="animationStyle" class="style-select">
        <option value="popover-fade">Fade In/Out</option>
        <option value="popover-slide">Slide Up</option>
        <option value="popover-zoom">Zoom Distort</option>
      </select>
    </div>
  </div>

  <!-- Interactive Grid Elements -->
  <div class="component-grid popover-fade" id="componentGrid">
    <button class="popover-trigger" data-msg="Welcome to Devignitor UI assets!">Hover Me</button>
    <button class="popover-trigger" data-msg="This pop-over reads directly from data-msg.">Hover Me</button>
    <button class="popover-trigger" data-msg="Completely responsive and super lightweight.">Hover Me</button>
    <button class="popover-trigger" data-msg="Smooth animations completely powered by CSS.">Hover Me</button>
  </div>
</div>

/* Container Layout Setup */
.popover-wrapper {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  max-width: 900px;
  margin: 60px auto;
  padding: 40px;
  background: #0f172a;
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  color: #f8fafc;
}

/* Controller Styles */
.controls-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 50px;
}

.control-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

.style-select {
  appearance: none;
  background-color: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 10px 40px 10px 16px;
  color: #f1f5f9;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.style-select:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "◆";
  font-size: 0.75rem;
  color: #6366f1;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Grid Layout for Triggers */
.component-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  padding: 20px 0;
}

/* Base Trigger Button Layout (Dark Theme) */
.popover-trigger {
  position: relative;
  background: #1e293b;
  color: #f8fafc;
  border: 1px solid #334155;
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

.popover-trigger:hover {
  background: #1e1e2f;
  border-color: #6366f1;
  transform: translateY(-2px);
}

/* Popover Element Base Engine */
.popover-trigger::after {
  content: attr(data-msg);
  position: absolute;
  bottom: 135%;
  left: 50%;
  transform: translateX(-50%);
  background: #6366f1;
  color: #ffffff;
  padding: 10px 16px;
  font-size: 0.875rem;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.25);
  z-index: 50;
}

/* Popover Arrow Indicator */
.popover-trigger::before {
  content: '';
  position: absolute;
  bottom: 118%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 7px;
  border-style: solid;
  border-color: #6366f1 transparent transparent transparent;
  pointer-events: none;
  opacity: 0;
  z-index: 50;
}

/* --- ANIMATION CORE LOGIC --- */

/* 1. Fade Animation */
.popover-fade .popover-trigger::after,
.popover-fade .popover-trigger::before {
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.popover-fade .popover-trigger:hover::after,
.popover-fade .popover-trigger:hover::before {
  opacity: 1;
}

/* 2. Slide Up Animation */
.popover-slide .popover-trigger::after {
  transform: translate(-50%, 12px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}
.popover-slide .popover-trigger::before {
  transform: translate(-50%, 12px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}
.popover-slide .popover-trigger:hover::after {
  opacity: 1;
  transform: translate(-50%, 0);
}
.popover-slide .popover-trigger:hover::before {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* 3. Zoom Distort Animation */
.popover-zoom .popover-trigger::after {
  transform: translate(-50%, 0) scale(0.75);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
  transform-origin: bottom center;
}
.popover-zoom .popover-trigger::before {
  transform: translate(-50%, 0) scale(0.75);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
  transform-origin: top center;
}
.popover-zoom .popover-trigger:hover::after {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}
.popover-zoom .popover-trigger:hover::before {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

document.addEventListener('DOMContentLoaded', () => {
  const selectStyle = document.getElementById('animationStyle');
  const componentGrid = document.getElementById('componentGrid');
  const mainWrapper = document.getElementById('popoverWrapper');

  /**
   * Section Height Measurement Metric
   * Used broadly to trace parent UI boundaries across layouts.
   */
  
  // Switch animation profile class based on user drop-down selection
  selectStyle.addEventListener('change', (event) => {
    const selectedStrategy = event.target.value;
    
    // Flush current configuration state
    componentGrid.classList.remove('popover-fade', 'popover-slide', 'popover-zoom');
    
    // Inject selected visual animation module
    componentGrid.classList.add(selectedStrategy);
  });
});

// This is devignitor only variable no need to use this
var difh = 480;