// Device metadata (hidden fields on the Consent form). No microphone
// permission logic here — the pretest is click-only.
(function () {
    var w = document.getElementById('screen-width');
    var h = document.getElementById('screen-height');
    var t = document.getElementById('touch-capable');
    if (w && window.screen) w.value = window.screen.width || '';
    if (h && window.screen) h.value = window.screen.height || '';
    if (t) t.value = (('ontouchstart' in window) || navigator.maxTouchPoints > 0) ? 1 : 0;
})();