/**
 * InfoPopup — vanilla JS info popup for static R* apps.
 * Usage:
 *   <script src="info-popup.js"></script>
 *   <script>InfoPopup.init({ appName: "rData", appIcon: "📊", landingHtml: "..." });</script>
 */
window.InfoPopup = (function () {
  var CSS = '\
.info-popup-scope {\
  --rs-bg-surface: #16213e;\
  --rs-bg-page: #1a1a2e;\
  --rs-bg-hover: rgba(255,255,255,0.04);\
  --rs-primary: #e94560;\
  --rs-accent: #14b8a6;\
  --rs-text-primary: #eee;\
  --rs-text-secondary: #b0b0c0;\
  --rs-text-muted: #6b7280;\
  --rs-border: rgba(255,255,255,0.08);\
  --rs-border-subtle: rgba(255,255,255,0.05);\
  --rs-card-bg: rgba(255,255,255,0.03);\
  --rs-card-border: rgba(255,255,255,0.06);\
  --rs-gradient-brand: linear-gradient(135deg, #14b8a6, #22d3ee);\
  --rs-gradient-cta: linear-gradient(135deg, #14b8a6, #06b6d4);\
  --rs-btn-secondary-bg: rgba(255,255,255,0.06);\
  --rs-border-strong: rgba(255,255,255,0.15);\
  --rs-bg-surface-raised: rgba(255,255,255,0.06);\
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;\
}\
.info-popup-trigger {\
  position: fixed; bottom: 20px; right: 20px; z-index: 9999;\
  width: 44px; height: 44px; border-radius: 50%;\
  background: linear-gradient(135deg, rgba(20,184,166,0.15), rgba(79,70,229,0.1));\
  border: 1px solid rgba(20,184,166,0.3);\
  color: #14b8a6; font-size: 1.2rem; font-weight: 700;\
  cursor: pointer; display: flex; align-items: center; justify-content: center;\
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);\
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;\
}\
.info-popup-trigger:hover {\
  transform: scale(1.08);\
  box-shadow: 0 6px 28px rgba(0,0,0,0.4);\
  border-color: rgba(20,184,166,0.5);\
}\
.rapp-info-overlay {\
  position: fixed; inset: 0; z-index: 10000;\
  background: rgba(0,0,0,0.45);\
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);\
  animation: rapp-overlay-in 0.2s ease-out;\
}\
@keyframes rapp-overlay-in { from { opacity: 0; } to { opacity: 1; } }\
.rapp-info-panel {\
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);\
  z-index: 10001;\
  width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 64px);\
  background: var(--rs-bg-surface);\
  border: 1px solid rgba(20,184,166,0.25);\
  border-radius: 16px;\
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(20,184,166,0.1), 0 0 60px rgba(20,184,166,0.06);\
  display: flex; flex-direction: column; overflow: hidden;\
  animation: rapp-info-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);\
}\
@keyframes rapp-info-in {\
  from { opacity: 0; transform: translate(-50%, -48%) scale(0.95); }\
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }\
}\
.rapp-info-panel__header {\
  display: flex; align-items: center; justify-content: space-between;\
  padding: 16px 20px;\
  background: linear-gradient(135deg, rgba(20,184,166,0.12), rgba(79,70,229,0.08));\
  border-bottom: 1px solid rgba(20,184,166,0.18);\
}\
.rapp-info-panel__header-left { display: flex; align-items: center; gap: 10px; }\
.rapp-info-panel__icon { font-size: 1.5rem; line-height: 1; }\
.rapp-info-panel__title {\
  font-size: 1.05rem; font-weight: 700; letter-spacing: 0.01em;\
  background: linear-gradient(135deg, #14b8a6, #22d3ee);\
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;\
  background-clip: text;\
}\
.rapp-info-panel__close {\
  display: flex; align-items: center; justify-content: center;\
  width: 32px; height: 32px;\
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);\
  color: var(--rs-text-muted); font-size: 1.2rem; cursor: pointer;\
  border-radius: 8px; line-height: 1;\
  transition: color 0.15s, background 0.15s, border-color 0.15s;\
}\
.rapp-info-panel__close:hover {\
  color: var(--rs-text-primary); background: rgba(255,255,255,0.1);\
  border-color: rgba(255,255,255,0.15);\
}\
.rapp-info-panel__body {\
  padding: 0; overflow-y: auto; flex: 1;\
  color: var(--rs-text-secondary); font-size: 0.92rem; line-height: 1.65;\
}\
.rapp-info-panel__body h1, .rapp-info-panel__body h2, .rapp-info-panel__body h3 {\
  color: var(--rs-text-primary); margin: 0 0 8px;\
}\
.rapp-info-panel__body h1 { font-size: 1.3rem; }\
.rapp-info-panel__body h2 { font-size: 1.1rem; }\
.rapp-info-panel__body h3 { font-size: 0.95rem; }\
.rapp-info-panel__body p { margin: 0 0 10px; }\
.rapp-info-panel__body a { color: var(--rs-primary); }\
.rapp-info-panel__body .rl-hero { padding: 1.75rem 1.5rem 1.25rem; text-align: center; }\
.rapp-info-panel__body .rl-hero .rl-heading { font-size: 1.5rem !important; }\
.rapp-info-panel__body .rl-heading { font-size: 1.2rem; margin-bottom: 0.5rem; }\
.rapp-info-panel__body .rl-tagline { font-size: 0.65rem; padding: 0.3rem 0.85rem; margin-bottom: 1rem; }\
.rapp-info-panel__body .rl-subtitle { font-size: 1rem !important; margin-bottom: 0.75rem; }\
.rapp-info-panel__body .rl-subtext { font-size: 0.9rem !important; margin-bottom: 1.25rem; line-height: 1.7; }\
.rapp-info-panel__body .rl-hero .rl-subtext { font-size: 0.92rem !important; }\
.rapp-info-panel__body .rl-section { padding: 1.5rem 1.25rem; border-top: 1px solid var(--rs-border-subtle); }\
.rapp-info-panel__body .rl-section--alt { background: rgba(20,184,166,0.03); }\
.rapp-info-panel__body .rl-container { max-width: 100%; }\
.rapp-info-panel__body .rl-grid-2,\
.rapp-info-panel__body .rl-grid-3,\
.rapp-info-panel__body .rl-grid-4 { grid-template-columns: 1fr 1fr !important; gap: 0.75rem; }\
.rapp-info-panel__body .rl-card { padding: 1.15rem; border-radius: 0.75rem; }\
.rapp-info-panel__body .rl-card h3 { font-size: 0.88rem; margin-bottom: 0.35rem; }\
.rapp-info-panel__body .rl-card p { font-size: 0.82rem; line-height: 1.55; margin-bottom: 0; }\
.rapp-info-panel__body .rl-icon-box { width: 2.5rem; height: 2.5rem; font-size: 1.25rem; border-radius: 0.6rem; margin-bottom: 0.65rem; }\
.rapp-info-panel__body .rl-card--center .rl-icon-box { margin: 0 auto 0.65rem; }\
.rapp-info-panel__body .rl-step__num { width: 2.25rem; height: 2.25rem; font-size: 0.75rem; margin-bottom: 0.5rem; }\
.rapp-info-panel__body .rl-step h3 { font-size: 0.88rem; }\
.rapp-info-panel__body .rl-step p { font-size: 0.82rem; }\
.rapp-info-panel__body .rl-cta-row { margin-top: 1.5rem; gap: 0.625rem; display: flex; flex-wrap: wrap; justify-content: center; }\
.rapp-info-panel__body .rl-cta-primary {\
  padding: 0.75rem 1.5rem; font-size: 0.92rem; font-weight: 600;\
  border-radius: 10px; text-decoration: none;\
  background: var(--rs-gradient-cta, linear-gradient(135deg, #14b8a6, #06b6d4));\
  color: #fff; box-shadow: 0 4px 16px rgba(20,184,166,0.3);\
  transition: transform 0.15s, box-shadow 0.15s;\
}\
.rapp-info-panel__body .rl-cta-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(20,184,166,0.4); }\
.rapp-info-panel__body .rl-cta-secondary {\
  padding: 0.75rem 1.5rem; font-size: 0.92rem; font-weight: 600;\
  border-radius: 10px; text-decoration: none;\
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);\
  color: var(--rs-text-secondary); transition: transform 0.15s, border-color 0.15s, color 0.15s, background 0.15s;\
}\
.rapp-info-panel__body .rl-cta-secondary:hover { transform: translateY(-1px); border-color: rgba(20,184,166,0.4); color: var(--rs-text-primary); background: rgba(20,184,166,0.08); }\
.rapp-info-panel__body a[onclick*="startTour"],\
.rapp-info-panel__body a[href*="tour"] { display: none; }\
.rapp-info-panel__body .rl-badge { font-size: 0.65rem; padding: 0.15rem 0.5rem; }\
.rapp-info-panel__body .rl-integration { padding: 1rem; border-radius: 0.75rem; gap: 0.75rem; }\
.rapp-info-panel__body .rl-integration h3 { font-size: 0.88rem; }\
.rapp-info-panel__body .rl-integration p { font-size: 0.82rem; }\
.rapp-info-panel__body .rl-check-list li { font-size: 0.82rem; padding: 0.3rem 0; }\
.rapp-info-panel__body .rl-divider { margin: 1rem 0; }\
.rapp-info-panel__body .rl-divider span { font-size: 0.65rem; }\
.rapp-info-panel__body .rl-back { padding: 1.25rem 0 1.5rem; }\
.rapp-info-panel__body .rl-back a { font-size: 0.82rem; }\
.rapp-info-panel__body::-webkit-scrollbar { width: 5px; }\
.rapp-info-panel__body::-webkit-scrollbar-track { background: transparent; }\
.rapp-info-panel__body::-webkit-scrollbar-thumb { background: rgba(20,184,166,0.2); border-radius: 9999px; }\
.rapp-info-panel__body::-webkit-scrollbar-thumb:hover { background: rgba(20,184,166,0.35); }\
.rl-section { border-top: 1px solid var(--rs-border-subtle); padding: 4rem 1.5rem; }\
.rl-section--alt { background: var(--rs-bg-hover); }\
.rl-container { max-width: 1100px; margin: 0 auto; }\
.rl-hero { text-align: center; padding: 5rem 1.5rem 3rem; max-width: 820px; margin: 0 auto; }\
.rl-tagline {\
  display: inline-block; font-size: 0.7rem; font-weight: 700;\
  letter-spacing: 0.12em; text-transform: uppercase;\
  color: var(--rs-accent); background: rgba(20,184,166,0.1);\
  border: 1px solid rgba(20,184,166,0.2);\
  padding: 0.35rem 1rem; border-radius: 9999px; margin-bottom: 1.5rem;\
}\
.rl-heading {\
  font-size: 2rem; font-weight: 700; line-height: 1.15;\
  margin-bottom: 0.75rem; letter-spacing: -0.01em;\
  background: var(--rs-gradient-brand);\
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;\
}\
.rl-hero .rl-heading { font-size: 2.5rem; }\
.rl-subtitle { font-size: 1.25rem; font-weight: 500; color: var(--rs-text-primary); margin-bottom: 1rem; }\
.rl-hero .rl-subtitle { font-size: 1.35rem; }\
.rl-subtext { font-size: 1.05rem; color: var(--rs-text-secondary); line-height: 1.65; max-width: 640px; margin: 0 auto 2rem; }\
.rl-hero .rl-subtext { font-size: 1.15rem; }\
.rl-grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }\
.rl-grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }\
.rl-grid-4 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }\
@media (min-width: 640px) {\
  .rl-grid-2 { grid-template-columns: repeat(2, 1fr); }\
  .rl-grid-3 { grid-template-columns: repeat(3, 1fr); }\
  .rl-grid-4 { grid-template-columns: repeat(2, 1fr); }\
}\
@media (min-width: 1024px) { .rl-grid-4 { grid-template-columns: repeat(4, 1fr); } }\
.rl-card {\
  background: var(--rs-card-bg); border: 1px solid var(--rs-card-border);\
  border-radius: 1rem; padding: 1.75rem; transition: border-color 0.2s;\
}\
.rl-card:hover { border-color: rgba(20,184,166,0.3); }\
.rl-card h3 { font-size: 0.95rem; font-weight: 600; color: var(--rs-text-primary); margin-bottom: 0.5rem; }\
.rl-card p { font-size: 0.875rem; color: var(--rs-text-secondary); line-height: 1.6; }\
.rl-card--center { text-align: center; }\
.rl-step { display: flex; flex-direction: column; align-items: center; text-align: center; }\
.rl-step__num {\
  width: 2.5rem; height: 2.5rem; border-radius: 9999px;\
  background: rgba(20,184,166,0.1); color: var(--rs-accent);\
  display: flex; align-items: center; justify-content: center;\
  font-size: 0.8rem; font-weight: 700; margin-bottom: 0.75rem;\
}\
.rl-step h3 { font-size: 0.95rem; font-weight: 600; color: var(--rs-text-primary); margin-bottom: 0.25rem; }\
.rl-step p { font-size: 0.82rem; color: var(--rs-text-secondary); line-height: 1.55; }\
.rl-cta-row { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }\
.rl-cta-primary {\
  display: inline-block; padding: 0.8rem 2rem; border-radius: 0.5rem;\
  background: var(--rs-gradient-cta); color: white; font-size: 0.95rem; font-weight: 600;\
  text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;\
}\
.rl-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(20,184,166,0.3); }\
.rl-cta-secondary {\
  display: inline-block; padding: 0.8rem 2rem; border-radius: 0.5rem;\
  background: var(--rs-btn-secondary-bg); border: 1px solid var(--rs-border);\
  color: var(--rs-text-secondary); font-size: 0.95rem; font-weight: 600;\
  text-decoration: none; transition: transform 0.2s, border-color 0.2s, color 0.2s;\
}\
.rl-cta-secondary:hover { transform: translateY(-2px); border-color: var(--rs-border-strong); color: var(--rs-text-primary); }\
.rl-check-list { list-style: none; padding: 0; margin: 0; }\
.rl-check-list li {\
  display: flex; align-items: flex-start; gap: 0.5rem;\
  font-size: 0.875rem; color: var(--rs-text-secondary); line-height: 1.55; padding: 0.35rem 0;\
}\
.rl-check-list li::before { content: "\\2713"; color: var(--rs-accent); font-weight: 700; flex-shrink: 0; margin-top: 0.05em; }\
.rl-check-list li strong { color: var(--rs-text-primary); font-weight: 600; }\
.rl-badge {\
  display: inline-block; font-size: 0.65rem; font-weight: 700;\
  color: white; background: var(--rs-accent);\
  padding: 0.15rem 0.5rem; border-radius: 9999px;\
}\
.rl-divider { display: flex; align-items: center; gap: 0.75rem; margin: 1.5rem 0; }\
.rl-divider::before, .rl-divider::after { content: ""; flex: 1; height: 1px; background: var(--rs-border-subtle); }\
.rl-divider span { font-size: 0.75rem; color: var(--rs-text-muted); white-space: nowrap; }\
.rl-icon-box {\
  width: 3rem; height: 3rem; border-radius: 0.75rem;\
  background: rgba(20,184,166,0.12); color: var(--rs-accent);\
  display: flex; align-items: center; justify-content: center;\
  font-size: 1.5rem; margin-bottom: 1rem;\
}\
.rl-card--center .rl-icon-box { margin: 0 auto 1rem; }\
.rl-integration {\
  display: flex; align-items: flex-start; gap: 1rem;\
  background: rgba(20,184,166,0.04); border: 1px solid rgba(20,184,166,0.15);\
  border-radius: 1rem; padding: 1.5rem;\
}\
.rl-integration h3 { font-size: 0.95rem; font-weight: 600; color: var(--rs-text-primary); margin-bottom: 0.35rem; }\
.rl-integration p { font-size: 0.85rem; color: var(--rs-text-secondary); line-height: 1.55; }\
.rl-back { padding: 2rem 0 3rem; text-align: center; }\
.rl-back a { font-size: 0.85rem; color: var(--rs-text-muted); text-decoration: none; transition: color 0.2s; }\
.rl-back a:hover { color: var(--rs-text-primary); }\
@media (max-width: 600px) {\
  .rapp-info-panel {\
    top: auto; left: 8px; right: 8px; bottom: 8px;\
    transform: none; width: auto; max-height: 85vh;\
    animation: rapp-info-in-mobile 0.3s cubic-bezier(0.16, 1, 0.3, 1);\
  }\
  @keyframes rapp-info-in-mobile {\
    from { opacity: 0; transform: translateY(20px); }\
    to { opacity: 1; transform: translateY(0); }\
  }\
  .rapp-info-panel__body .rl-grid-2,\
  .rapp-info-panel__body .rl-grid-3,\
  .rapp-info-panel__body .rl-grid-4 { grid-template-columns: 1fr !important; }\
  .rl-hero { padding: 3rem 1rem 2rem; }\
  .rl-hero .rl-heading { font-size: 2rem; }\
  .rl-section { padding: 2.5rem 1rem; }\
}\
';

  function init(opts) {
    var appName = opts.appName || "App";
    var appIcon = opts.appIcon || "ℹ";
    var landingHtml = opts.landingHtml || "";
    var storageKey = opts.storageKey || appName + "-info-seen";

    // Inject CSS
    var style = document.createElement("style");
    style.textContent = CSS;
    document.head.appendChild(style);

    // Create scope wrapper
    var scope = document.createElement("div");
    scope.className = "info-popup-scope";
    document.body.appendChild(scope);

    // Info trigger button
    var trigger = document.createElement("button");
    trigger.className = "info-popup-trigger";
    trigger.innerHTML = "&#9432;";
    trigger.setAttribute("aria-label", "About " + appName);
    trigger.setAttribute("title", "About " + appName);
    scope.appendChild(trigger);

    var overlay = null;
    var panel = null;

    function show() {
      if (panel) return;

      overlay = document.createElement("div");
      overlay.className = "rapp-info-overlay";
      overlay.addEventListener("click", hide);
      scope.appendChild(overlay);

      panel = document.createElement("div");
      panel.className = "rapp-info-panel";
      panel.innerHTML =
        '<div class="rapp-info-panel__header">' +
        '  <div class="rapp-info-panel__header-left">' +
        '    <span class="rapp-info-panel__icon">' + appIcon + "</span>" +
        '    <span class="rapp-info-panel__title">' + appName + "</span>" +
        "  </div>" +
        '  <button class="rapp-info-panel__close" aria-label="Close">&times;</button>' +
        "</div>" +
        '<div class="rapp-info-panel__body">' + landingHtml + "</div>";
      panel.querySelector(".rapp-info-panel__close").addEventListener("click", hide);
      scope.appendChild(panel);
    }

    function hide() {
      if (overlay) { scope.removeChild(overlay); overlay = null; }
      if (panel) { scope.removeChild(panel); panel = null; }
    }

    trigger.addEventListener("click", show);

    document.addEventListener("keydown", function (e) {
      if (e.key === "Escape" && panel) hide();
    });

    // Auto-show on first visit
    try {
      if (!localStorage.getItem(storageKey)) {
        setTimeout(show, 800);
        localStorage.setItem(storageKey, "1");
      }
    } catch (e) {}
  }

  return { init: init };
})();