@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400&display=swap');


:root{
    --color-light-50: #f8fafc;

    --color-dark-50: #797984;
    --color-dark-100: #312d37;
    --color-dark-900: #000;

    --color-purple-50: #7c3aed;
    --color-purple-100: #a855f7;
    --color-purple-200: #bf45ef;

    --color-gradient: linear-gradient(90deg, var(--color-purple-50), var(--color-purple-100), var(--color-purple-200));
}

*{
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#container{
    height: 100vh;
    width: 100%;
    /* background: var(--color-gradient); */
    /* background: #004f75; */

    background: linear-gradient(70deg, var(--color-purple-100), var(--color-purple-200), #800080,#4B0082);
    background-size: 400%;
    -webkit-animation: animaFundo 15s ease infinite;
    -moz-animation: animaFundo 15s ease infinite;
    animation: animaFundo 15s ease infinite;
    
    display: flex;
    align-items: center;
    justify-content: center;
}


#login-form{
    background-color: var(--color-light-50);
    display: flex;
    flex-direction: column;
    padding: 30px 40px;
    border-radius: 8px;
    gap: 30px;
    box-shadow: 5px 5px 8px rgba(0, 0, 0, .336);
    height: fit-content;
    animation: dark-to-light .3s ease-in-out;
}
#form-header{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#form-header h1{
    font-size: 38px;
    position: relative;
}
#form-header h1::before{
    position: absolute;
    content: '';
    width: 40%;
    background-color: var(--color-purple-50);
    height: 3px;
    bottom: 10px;
    border-radius: 5px;
}
#moon-icon{
    cursor: pointer;
    font-size: 20px;
}


#socialmedia{
    display: flex;
    justify-content: space-around;
}

#socialmedia img{
    width: 35px;
    transition: all .3s;
}

#socialmedia img:hover{
    transform: scale(1.2);
}

#inputs{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.input-box label{
    font-size: 14px;
    color: var(--color-dark-50);
}
.input-field{
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 3px;
    cursor: text;
    border-bottom: 1px solid var(--color-purple-50);
}

.input-field i{
    font-size: 18px;
    color: var(--color-dark-900);
}

.input-field input{
    border: none;
    background-color: transparent;
    width: 260px;
    font-size: 18px;
}
.input-field input:focus{
    outline: none;
}

#forgot a{
    text-decoration: none;
    font-size: 12px;
    color: var(--color-dark-50);
}

#forgot a:hover{
    color: var(--color-purple-50);
}

#login-button{
    border: none;
    color: var(--color-light-50);
    /* background: var(--color-gradient); */

    background: linear-gradient(-90deg, var(--color-purple-100), #800080,#4B0082);
    background-size: 400%;
    -webkit-animation: animaFundo 5s ease infinite;
    -moz-animation: animaFundo 5s ease infinite;
    animation: animaFundo 5s ease infinite;

    padding: 7px;
    font-size: 18px;
    border-radius: 3px;
    font-weight: bold;
    cursor: pointer;
    transition: all .3s;
}
#login-button:hover{
    transform: scale(1.08);
}


/* TROCA DE TEMA */

/* troca de cor do fundo e das letras do login */
.dark#login-form{
    color: var(--color-light-50);
    background-color: var(--color-dark-100);
    animation: light-to-dark .3s ease-in-out;
}
/* troca de cor das letras do input apenas, onde escreve e o nome da parada */
.dark#login-form .input-field input,
.dark#login-form .input-field i,
.dark#login-form .input-box label{
    color: var(--color-light-50);
    
}


/* Key frames - transition para deixar mais suave a troca de tema */

@keyframes dark-to-light{
    0%{
        background-color: var(--color-dark-100);
    }
    100%{
        background-color: var(--color-light-50);
    }
}
@keyframes light-to-dark{
    0%{
        background-color: var(--color-light-50);
    }
    100%{
        background-color: var(--color-dark-100);
    }
}

/* Mudança do background */

@keyframes animaFundo {
	0% {
		background-position: 0% 50%
	}
	50% {
		background-position: 100% 50%
	}
	100% {
		background-position: 0% 50%
	}
}

/* DEIXANDO ELE RESPONSIVO */

@media screen and (max-width: 40rem){
    #login-form{
        width: 90%;
    }
}