let loginToastTimer = null;
function showLoginToast(msg, isSuccess = false) {
    let toast = document.getElementById("login-toast");
    if (!toast) {
        toast = document.createElement("div");
        toast.id = "login-toast";
        toast.style.position = "fixed";
        toast.style.top = "20px";
        toast.style.right = "20px";
        toast.style.left = "auto";
        toast.style.transform = "none";
        toast.style.minWidth = "220px";
        toast.style.maxWidth = "80vw";
        toast.style.background = isSuccess ? "linear-gradient(90deg,#7ec6f7,#b2f7ef)" : "#fff";
        toast.style.color = isSuccess ? "#1976d2" : "#ff4d4f";
        toast.style.fontSize = "1.08rem";
        toast.style.fontWeight = "600";
        toast.style.padding = "1.1em 2.2em";
        toast.style.borderRadius = "18px";
        toast.style.boxShadow = "0 4px 24px rgba(30,136,229,0.13),0 1.5px 8px rgba(79,209,255,0.08)";
        toast.style.zIndex = 9999;
        toast.style.textAlign = "center";
        toast.style.opacity = "0";
        toast.style.transition = "opacity 0.2s";
        document.body.appendChild(toast);
    }
    toast.textContent = msg;
    toast.style.opacity = "1";
    if (loginToastTimer) clearTimeout(loginToastTimer);
    loginToastTimer = setTimeout(() => {
        toast.style.opacity = "0";
        setTimeout(() => {
            toast.remove();
        }, 300);
        loginToastTimer = null;
    }, 2000);
}

const loginForm = document.getElementById("login-form")
loginForm.onsubmit = async function (e) {
    e.preventDefault()
    const form = e.target
    const data = Object.fromEntries(new FormData(form))
    const res = await fetch(form.action, {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(data),
    })
    const result = await res.json()
    if (result.success) {
        showLoginToast("登录成功，2秒后跳转到首页", true)
        setTimeout(() => {
            window.location.href = "/"
        }, 2000)
    } else {
        showLoginToast(result.message || "登录失败")
    }
}