* {
    box-sizing: border-box;
    font-family:'Courier New', Courier, monospace;
    background-color: antiquewhite;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* HEADER */
.header {
    background-color: white;
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 30px;
    font-weight: bolder;
    padding-left: 50px;
    padding-right: 50px;
}

#header-text {
    background-color: white;
}

#login-button {
    border-radius: 5px;
    padding: 10px 20px 10px 20px;
    background-color: gainsboro;
}

#login-button:hover {
    background-color: rgb(170, 169, 169);
}


/* BODY */

button:hover {
    cursor: pointer;
}

#new-book-button {
    padding: 10px;
    background-color: white;
    font-family: 'Courier New', Courier, monospace;
    border-radius: 5px;
    width: fit-content;
    font-size: large;
    font-weight: bold;
}

#new-book-button:hover {
    background-color: rgb(223, 219, 219);
}

.book-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 75px;
    width: 100%;
    padding: 25px;
    padding-top: 0px;
    padding-left: 200px;
    padding-right: 200px;
}

button {
    border:none;
}

.book {
    border: 3px solid black;
    background-color: white;
    border-radius: 5px;
    padding: 10px;
    padding-top: 25px;
    padding-bottom: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    box-shadow: 5px 5px;
}

#book-card-title {
    background-color: white;
    font-style: italic;
    text-align: center;
    font-size: large;
}

#book-card-author {
    background-color: white;
    text-align: center;
}

#book-card-page-num-div {
    display: flex;
    align-items: center;
}

#book-card-page-num-text {
    background-color: white;
    text-align: center;
}

#book-card-num-pages {
    background-color: white;
}

#book-card-read-div {
    background-color: white;
    display: flex;
    align-items: center;
}

#book-card-read-text {
    background-color: white;
}


#add-book-button {
    padding: 10px;
    background-color: rgb(170, 194, 131);
    font-family: 'Courier New', Courier, monospace;
    border-radius: 5px;
    margin-top: 15px;
    width: 90px;
}

#add-book-button:hover {
    background-color: rgb(118, 134, 91);
}

#cancel-button {
    padding: 10px;
    background-color: rgb(231, 22, 22);
    font-family: 'Courier New', Courier, monospace;
    border-radius: 5px;
    width: 90px;
}

#cancel-button:hover {
    background-color: rgb(185, 17, 17);
}

#remove-book-button {
    border-radius: 5px;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    background-color: rgb(231, 22, 22);
}

#remove-book-button:hover {
    background-color: rgb(185, 17, 17);
}

/* new book form pop-up */
.form-popup {
    display: none;  /* hidden by default */
    position: fixed;
    border: 1px solid black;
    padding: 10px;
    background-color: white;
    border-radius: 5px;
    gap: 5px;
    
    height: fit-content;
    width: fit-content;
    position: absolute;
    top:0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}


form {
    background-color: white;
}

#form-header {
    background-color: white;
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
}

input {
    border-radius: 5px;
    border: none;
    padding: 10px;
}

#title, #author, #num-pages {
    width: 100%;
}

#form-read-div {
    display: flex;
    justify-content:center;
    background-color: white;
    align-items: center;
}

#form-read-status-text {
    background-color: white;
}

#read-checkbox {
    font:inherit;
    width: 1.15em;
    height: 1em;
}