function generujQR(){
    const input = document.getElementById("qrText")
    const image = document.getElementById("qrImg")
    const text = input.value.trim()

    if(text==""){
        alert("Nejdříve musíš něco napsat!");
        return;
    }

    const apiUrl = `https://api.qrserver.com/v1/create-qr-code/?size=250x250&data=${encodeURIComponent(text)}`

    image.src = apiUrl;
    image.style.display = "inline-block";
    console.log("Generuji QR pro:",text)
}
document.getElementById("qrText").addEventListener("click", (e)=> {
    if (e.key === "Enter") {
        generujQR();
    }
})