document.addEventListener("DOMContentLoaded", () => {

    const textarea = document.querySelector("textarea");
    const form = document.querySelector("form");
    const copyBtn = document.getElementById("copyBtn");


    if (textarea) {
        textarea.addEventListener("input", () => {
            textarea.style.height = "auto";
            textarea.style.height = textarea.scrollHeight + "px";
        });
    }

    if (form && textarea) {
        form.addEventListener("submit", (e) => {
            if (textarea.value.trim() === "") {
                e.preventDefault();
                alert("Paste cannot be empty");
            }
        });
    }

    if (copyBtn) {
        copyBtn.addEventListener("click", () => {
            const paste = document.getElementById("pasteContent");

            if (!paste) return;

            navigator.clipboard.writeText(paste.innerText)
                .then(() => {
                    copyBtn.textContent = "Copied!";
                    setTimeout(() => {
                        copyBtn.textContent = "Copy";
                    }, 2000);
                });
        });
    }

});