@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500&display=swap');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins";
}

body {
    width: 100vw;
    height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgb(0, 255, 244);
    background: linear-gradient(0deg, rgba(0, 255, 244, 1) 0%, rgba(22, 152, 248, 1) 60%, rgba(45, 46, 253, 1) 100%);
}

.container {
    max-width: 640px;
    width: 100%;
    background-color: #eee;
    padding: 1rem;    
    display: flex;
    justify-content: space-between;
    border-radius: .5rem;
    box-shadow: 0 0 15px 1px rgba(0, 0, 0, 1);
    text-align: center;
}

.container-header {
    width: 100%;
    padding: 1rem;
    background-color: #fafafa;
    display: flex;
    flex-direction: column;
    border-radius: .5rem;
}

.header h1 {
    font-size: 1.7rem;    
}

.header p {
    padding: .5rem;    
}

.container-form {
    display: flex;
    flex-direction: column;    
}

.container-form input {
    height: 30px;
    line-height: .1rem;
    margin:  1rem;
    outline: none;
    border: none;
    border-bottom: .1rem solid black;
    background-color: transparent;
    padding: 1rem;
}

.container-form button {
    width: 90%;
    margin: 0 auto;
    outline: none;
    border: .1rem solid #000;
    border-radius: .3rem;
    padding: .3rem;
    transition: .1s;
    cursor: pointer;
}

.container-form button:hover {
    color: #fff;
    background-color: gray;
}

.container .img {
    border-radius: .5s;
    margin-left: 1rem;
    display: none;
    transition: all .2s;
}

.container .img img {
    border-radius: .5rem;
    border: .1rem solid black;
    padding: .5rem;
}

/* Classe quando o qr code for gerado */
.container.active .img {
    display: block;    
    display: flex;
    align-items: center;
}

/* Responsividade */
@media screen and (max-width: 480px) {
    
    .container {
        width: 100%;
        height: 100%;
    }


    .container-header h1{
        margin-top: 2rem;
        font-size: 2.5rem;
    }

    .container-header p{
        margin-top: 2rem;
        font-size: 1rem;
    }

    .container button {
        margin: 1rem;
    }

    .container.active .container-header h1 {
        font-size: 1.8rem;
    }

    .container.active .container-header p {
        font-size: 1rem;
    }

    .container.active {
        flex-direction: column;
        align-items: center;        
    }

    .container.active .img {
        background-color: #fafafa;        
        margin-left: 0;
        margin-bottom: 4rem;
        border-radius: .5rem;
        justify-content: center;
    }
    
}