// Cairn - minimal client-side JS for interactive fragments
(function() {
    'use strict';

    // Helper: fetch an HTML fragment and swap into a target element
    window.cairn = {
        loadFragment: function(url, targetSelector) {
            var target = document.querySelector(targetSelector);
            if (!target) return;

            fetch(url, { headers: { 'Accept': 'text/html' } })
                .then(function(resp) {
                    if (!resp.ok) throw new Error('HTTP ' + resp.status);
                    return resp.text();
                })
                .then(function(html) {
                    target.innerHTML = html;
                })
                .catch(function(err) {
                    console.error('Fragment load failed:', err);
                });
        }
    };
})();