* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #013220;
}

p {
    font-size: 1.5rem;
}

.container {
    text-align: center;
    width: 50rem;
    margin: 3rem auto;
    padding: 5rem 7rem;
    background: linear-gradient(45deg, #e664a1, #e66465);
    box-shadow: 0 0 3rem 0 rgba(0, 0, 0, 0.3);
    border-radius: 2rem;
}

/* Initial page with forms */
.welcome {
    font-size: 1.5rem;
    margin: auto;
}

.entry-forms {
    margin: auto;
    font-size: 1.5rem;
}

.form {
    border-radius: 2rem;
    margin: auto;
    width: 90%;
    padding: 5rem;
    text-align: center;
    background-color: white;
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, 0.3);
    margin-top: 1.5rem;
}

.form input {
    border-radius: 1rem;
    border: .2rem solid #f0f0f0;
    display: block;
    width: 100%;
    padding: 1rem;
}

.form h3 {
    margin-bottom: 1rem;
}

.signup-form h3 {
    margin-top: .5rem;
}

.entry-forms button {
    cursor: pointer;
    background-color: #3498db;
    border: .2rem solid #3498db;
    border-radius: .4rem;
    color: #fff;
    display: block;
    padding: 1rem;
    width: 35%;
    margin-top: .5rem;
}

#signup-error, #login-error {
    color: red;
}

/* Page after signing in */

header {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: flex-start;
}

.signout {
    display: flex;
    flex-direction: row-reverse;
    background-color: #e664a1;
    border-color: #e664a1;
    font-size: 1.7rem;
}

.signout:hover {
    cursor: pointer;
    background-color: #c864e6;
    background-color: #c864e6;
    transform: translateY(-3px);
    box-shadow: 0 1rem 1rem rgba(0, 0, 0, 0.1);
}

.current-and-all-books h3 {
    margin: 1rem 0;
}

.current-and-all-books p {
    margin: 1rem 0;
}

.current-and-all-books ul {
    margin: 1rem 0;
}

.current-book-section {
    text-align: left;
    width: 45%;
}

li {
    list-style: none;
}

.current-and-all-books button {
    padding: .7rem .9rem;
    background-color: #3498db;
    border: .2rem solid #3498db;
    border-radius: .5rem;
    margin: .3rem .4rem;
}

.current-and-all-books button:hover {
    cursor: pointer;
    transform: translateY(-1px);
    box-shadow: 0 1rem 1rem rgba(0, 0, 0, 0.1);
}

/* Modal */
.bg-modal {
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.7);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1;
    justify-content: center;
    align-items: center;
    display: none;
}

.modal-content {
    margin: auto;
    width: 75%;
    background-color: white;
    text-align: center;
    border-radius: 2rem;
    padding: 3rem;
}

.modal-content button {
    padding: 1rem;
    width: 6rem;
    background-color: #3498db;
    border: .2rem solid #3498db;
    border-radius: .4rem;
    margin: 1rem .4rem;
}

main {
    margin: 2.5rem;
}

.books-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;

}

.library-book {
    margin: 1.5rem;
    width: 14rem;
    display: flex;
    flex-direction: column;
    align-items: baseline;
}

.library-book p {
    width: 11rem;
}

.book-drawing {
    display: grid;
    grid-template-columns: 1rem 10rem;
    grid-template-areas: 
        "spine cover"
        "footer footer"
        "author author"
        "available available"
    ;
    margin: 0.2rem;
}

.book-drawing div {
    border: 0.1rem solid black;
}

.book-drawing-cover {
    grid-area: cover;
    height: 10rem;
    background-color: lightgreen;
    text-align: center;
    padding: 1rem;
    font-size: 1.3rem;
}

.book-drawing-spine {
    grid-area: spine;
    background-color: #4A4238;
    border-top-left-radius: 0.3rem;
}

.book-drawing-footer {
    grid-area: footer;
    padding: 0.2rem;
    background-color: lightgray;
    border-bottom-left-radius: 0.3rem;
}

@media (max-width: 580px) {
    .container {
        text-align: center;
        width: 100%;
        margin: 0;
        padding: 3rem 1rem;
        background: linear-gradient(45deg, #e664a1, #e66465);
    }

    .entry-forms {
        margin: auto;
        font-size: 1.5rem;
    }

    .form {
        border-radius: 2rem;
        margin: auto;
        width: 60%;
        padding: 1rem;
        text-align: center;
        background-color: white;
        box-shadow: 0 0 1rem 0 rgba(0, 0, 0, 0.3);
        margin-top: 1.5rem;
    }
    
    .form input {
        border-radius: 1rem;
        border: .2rem solid #f0f0f0;
        display: block;
        width: 100%;
        padding: 1rem;
    }
    
    .form h3 {
        margin-bottom: 1rem;
    }
    
    .signup-form h3 {
        margin-top: .5rem;
        margin-bottom: 1rem;
    }
    
    .entry-forms button {
        cursor: pointer;
        background-color: #3498db;
        border: .2rem solid #3498db;
        border-radius: .4rem;
        color: #fff;
        display: block;
        padding: 1rem;
        width: 40%;
        margin-top: .5rem;
    }

    .current-book-section {
        width: 90%;
    }
}