Customize position and colors dynamically!
const customTheme = {
success: { bg: "#22c55e", dark: "#16a34a", text: "#ffffff" },
error: { bg: "#ec4899", dark: "#db2777", text: "#ffffff" },
info: { bg: "#06b6d4", dark: "#0891b2", text: "#ffffff" },
warning: { bg: "#eab308", dark: "#ca8a04", text: "#000000" }
};
setTheme(customTheme);