async function encrypt() {
    const plaintext = document.getElementById("plaintext").value;
    const size = document.getElementById("keysize").value;

    if (!plaintext) return alert("Per favore, inserisci del testo da cifrare.");

    document.getElementById("ciphertext").value = "Le foche stanno cifrando... Attendere prego.";

    try {
        const res = await fetch("/seal/rsa/encrypt", {
            method: "POST", headers: { "Content-Type": "application/json" },
            body: JSON.stringify({ text: plaintext, keysize: parseInt(size) })
        });
        document.getElementById("ciphertext").value = await res.text();
    } catch (e) { alert("Impossibile connettersi al server Javalin."); }
}

async function decrypt() {
    const input = document.getElementById("ciphertext").value;
    if (!input) return alert("Non c'è nessun testo da decifrare.");

    document.getElementById("decodedtext").value = "Decifratura in corso...";

    try {
        // NOTA: Controlla che la rotta nel tuo Java sia corretta (/seal/rsa/decrypt o /api/rsa/decifra)
        const res = await fetch("http://localhost:8080/seal/rsa/decrypt", {
            method: "POST", headers: { "Content-Type": "application/json" },
            body: JSON.stringify({ text: input })
        });
        document.getElementById("decodedtext").value = await res.text();
    } catch (e) { alert("Impossibile connettersi al server."); }
}

// Gestione Menu Mobile
function toggleMenu() {
    document.getElementById("nav-links").classList.toggle("active");
}
// Anno dinamico Footer
document.getElementById("year").innerText = new Date().getFullYear();