function copyValue(id) {
    const el = document.getElementById(id);
    el.select();
    el.setSelectionRange(0, 99999);
    navigator.clipboard.writeText(el.value);
}

function copyText(button) {
    const value = button.dataset.copyValue || "";
    navigator.clipboard.writeText(value);

    const label = button.textContent;
    button.textContent = "Zkopírováno";
    window.setTimeout(() => {
        button.textContent = label;
    }, 1200);
}