(function () {
  var host = document.getElementById("toastHost");
  if (!host) return;

  var ICONS = {
    info:
      '<svg viewBox="0 0 16 16" fill="none" aria-hidden="true"><circle cx="8" cy="8" r="6.25" stroke="currentColor" stroke-width="1.5"/><path d="M8 7.2V11" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/><circle cx="8" cy="5" r="0.9" fill="currentColor"/></svg>',
    success:
      '<svg viewBox="0 0 16 16" fill="none" aria-hidden="true"><path d="M3.5 8.2l3 3.1 6-6.3" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/></svg>',
    error:
      '<svg viewBox="0 0 16 16" fill="none" aria-hidden="true"><path d="M5 5l6 6M11 5l-6 6" stroke="currentColor" stroke-width="1.7" stroke-linecap="round"/></svg>',
    warning:
      '<svg viewBox="0 0 16 16" fill="none" aria-hidden="true"><path d="M8 4.2v5.2" stroke="currentColor" stroke-width="1.7" stroke-linecap="round"/><circle cx="8" cy="11.4" r="0.95" fill="currentColor"/></svg>',
  };

  var DEFAULT_DURATION = 2400;
  var MAX_VISIBLE = 3;

  function normalizeType(type) {
    if (type === "success" || type === "error" || type === "warning" || type === "info") {
      return type;
    }
    return "info";
  }

  function showToast(message, options) {
    if (!message) return null;

    var opts = typeof options === "string" ? { type: options } : options || {};
    var type = normalizeType(opts.type);
    var duration = typeof opts.duration === "number" ? opts.duration : DEFAULT_DURATION;

    while (host.children.length >= MAX_VISIBLE) {
      var oldest = host.firstElementChild;
      if (oldest) oldest.remove();
    }

    var item = document.createElement("div");
    item.className = "toast-item toast-item--" + type;
    item.setAttribute("role", "status");

    var icon = document.createElement("span");
    icon.className = "toast-icon";
    icon.setAttribute("aria-hidden", "true");
    icon.innerHTML = ICONS[type] || ICONS.info;

    var text = document.createElement("span");
    text.className = "toast-text";
    text.textContent = String(message);

    item.appendChild(icon);
    item.appendChild(text);
    host.appendChild(item);

    requestAnimationFrame(function () {
      item.classList.add("is-visible");
    });

    var hideTimer = setTimeout(function () {
      item.classList.add("is-leaving");
      item.classList.remove("is-visible");
      setTimeout(function () {
        if (item.parentNode) item.parentNode.removeChild(item);
      }, 260);
    }, Math.max(800, duration));

    return {
      close: function () {
        clearTimeout(hideTimer);
        if (item.parentNode) item.parentNode.removeChild(item);
      },
    };
  }

  window.showToast = showToast;
})();