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from tkinter import *

root = Tk()
root.geometry("500x300")              
root.resizable(0, 0)                 
root.config(bg="#103030")             
root.title("Aumento dos transportes")  
titulo = Label(
    text="Aumento dos transportes",
    font=("Arial", "28", "bold"),
    bg="#103030",
    fg="#49e3e3"
)
titulo.place(relx=0.05, rely=0.05)     

texto_sub1 = Label(
    text="Preço do bilhete:",
    font=("Arial", "18", "bold"),
    bg="#103030",
    fg="#49e3e3"
)
texto_sub1.place(relx=0.15, rely=0.4)  

bilhete_actual = StringVar()          
bilhete_actual_entrada = Entry(
    textvariable=bilhete_actual,
    font=("Arial", "12", "bold"),
    bg="white",
    fg="blue",
    justify='center'
)
bilhete_actual_entrada.place(relx=0.57, rely=0.41, relwidth=0.33) 

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

def app():
    try:
        preço = float(bilhete_actual.get())  
        aumento = 2.02 / 100                
        formula = preço * (1 + aumento)     
        mensagem = f"Novo Preço: {round(formula, 2)}"  
        resultado_texto.config(text=mensagem)           
    except ValueError:
        resultado_texto.config(text="Valor digitado errado!")  

but1 = Button(
    text="Calcular",
    bd=2,
    bg='#107db2',
    fg='white',
    font=('verdana', 12, 'bold'),
    command=app
)
but1.place(relx=0.1, rely=0.65, relwidth=0.25, relheight=0.1)  # Position and size of "Calcular" button

but_limpar = Button(
    text="Limpar",
    bd=2,
    bg='#107db2',
    fg='white',
    font=('verdana', 12, 'bold'),
    command=limpar
)
but_limpar.place(relx=0.4, rely=0.65, relwidth=0.25, relheight=0.1)  # Position and size of "Limpar" button

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=0.65, relwidth=0.25, relheight=0.1)  

resultado_texto = Label(
    text="",
    font=("Arial", 12, "bold"),
    bg="#cfe2f3"
)
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9, relheight=0.15)  

root.mainloop()