from tkinter import *
root = Tk()
root.geometry("700x450")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Frase Invertida")
titulo = Label(
    text="Inverter frase",font=("Arial", 40, "bold"),bg="#103030",fg="#49e3e3")
titulo.place(relx=0.25, rely=0.05)

texto_sub1 = Label(
    text="Frase:",font=("Arial", 30, "bold"),bg="#103030",fg="#49e3e3")
texto_sub1.place(relx=0.05, rely=0.32)
Frase = StringVar()
Frase_entrada = Entry(
    textvariable=Frase,
    font=("Arial", 20, "bold"),
    bg="white",
    fg="blue",
    justify='center'
)
Frase_entrada.place(relx=0.25, rely=0.34, relwidth=0.7)

def limpar():
    Frase_entrada.delete(0, END)
    resultado_texto.config(text="")

def app():
    f =  Frase.get()
    a =f[::-1]
    mensagem = f"Frase invertida:{a}"
    resultado_texto.config(text=mensagem)

# Botões
but1 = Button(
    text="Mostrar",
    bd=2,
    bg='#107db2',
    fg='white',
    font=('verdana', 12, 'bold'),
    command=app
)
but1.place(relx=0.1, rely=0.5, relwidth=0.25, relheight=0.1)

but_limpar = Button(
    text="Limpar",
    bd=2,
    bg='#107db2',
    fg='white',
    font=('verdana', 12, 'bold'),
    command=limpar
)
but_limpar.place(relx=0.4, rely=0.5, relwidth=0.25, relheight=0.1)

but_sair = Button(
    text="Sair",
    bd=2,
    bg='#107db2',
    fg='white',
    font=('verdana', 12, 'bold'),
    command=root.destroy
)
but_sair.place(relx=0.7, rely=0.5, relwidth=0.25, relheight=0.1)

resultado_texto = Label(
    text="",
    font=("Arial", 12, "bold"),
    bg="#cfe2f3"
)
resultado_texto.place(relx=0.05, rely=0.7, relwidth=0.9, relheight=0.25)

root.mainloop()