:root   {
    --ss-darkblue: #223f61;
    --ss-lightblue: #93b6ee;
    --ss-grey: #f3f2ee;
    --ss-lime: #d7df23;
    --ss-orange: #f06930;
    --bodytext: #545454;
    --white: #ffffff;
}

body    {
    margin: 30px;
    font-family: "Noto Sans", sans-serif;
}

h1  {
    margin-top: 30px;
    font-family: "Noto Sans", sans-serif;
    font-weight: 700 !important;
    font-size: 25px;
    color: var(--ss-darkblue);
}

h2  {
    color: var(--ss-darkblue);
}

.bottom-menu    {
    position: fixed;
    bottom: 0;
    left: 0; /* Set left to 0 */
    right: 0; /* Set right to 0 */
    margin-left: auto; /* Center horizontally */
    margin-right: auto; /* Center horizontally */

    height: 50px;
    border-radius: 10px 10px 0px 0px;

    background-color: var(--ss-darkblue);
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    z-index: 995;

    display: none;
}

.bottom-menu-icon   {
    width: 22px;
    margin-left:  35px;
    margin-right: 35px;

    display: flex;
    justify-content: space-between;
}

.header {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin-top: 70px;
    padding-bottom: 30px;
    border-bottom-style: solid;
    border-bottom-width: 2px;
    border-color: var(--ss-grey);
}

.user-icon  {
    width: 45px;
    height: 45px;
    background-image: url("img/user.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 10px;
}

.ss-logo    {
    width: 70px;
}

.logout-button  {
    width: 29px;
}

.books   {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between; /* Distribute space between flex items */
}

.book   {
    width: 150px;
    margin-bottom: 20px;
}

.book-cover {
    border-radius: 10px;
    width: 150px;
    height: 235px;
    filter: drop-shadow(0 0 10px rgb(0, 0, 0, 0.1));
}

.title  {
    font-size: 16px;
    color: var(--ss-darkblue);
    font-weight: 700;
    margin: 0;
    margin-top: 10px;
}

.author {
    font-size: 14px;
    color: var(--ss-orange);
    font-weight: 400;
    margin-top: 5px;
}

.popup-bg   {
    position: fixed;
    display: none;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5); /* semi-transparent black */
    z-index: 998;
}

.popup  {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 75vw;
    height: 70vh;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    padding-bottom: 30px;
    border-radius: 10px;
    z-index: 999;
    overflow-y: auto;
}

.popup-header   {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom-style: solid;
    border-bottom-width: 2px;
    border-color: var(--ss-grey);
}

.popup-header h3    {
    margin-left: 15px;
    color: var(--ss-darkblue);
}

.popup-bookinfo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

#popup-bookimg  {
    border-radius: 10px;
    width: 225px;
    filter: drop-shadow(0 0 10px rgb(0, 0, 0, 0.1));
    margin-top: 30px;
}

#book-title {
    margin-top: 20px;
    font-size: 25px;
}

#book-author    {
    margin-top: 10px;
}

.stars  {
    margin-left: 10px;
    margin-right: 10px;
}

.popup-aboutbook p  {
    margin-top: 10px;
    color: var(--bodytext);
    font-size: 14px;
    font-weight: normal;
    line-height: 1.6em;
}

.popup-aboutbook  {
    padding-top: 20px;
    margin: 0;
}

h2 span  {
    color: var(--ss-lime);
}

.popup-aboutauthor p  {
    margin-top: 10px;
    color: var(--bodytext);
    font-size: 14px;
    font-weight: normal;
    line-height: 1.6em;
}

.popup-aboutauthor  {
    padding-top: 20px;
    margin: 0;
}

.popup-reviews p  {
    margin-top: 10px;
    color: var(--bodytext);
    font-size: 14px;
    font-weight: normal;
    line-height: 1.6em;
}

.popup-reviews  {
    padding-top: 20px;
    margin: 0;
}

.review {
    padding: 20px;
    border: solid;
    border-color: var(--ss-grey);
    border-radius: 10px;
    margin-top: 20px;
}

.review h4  {
    color: var(--ss-darkblue);
    margin: 0;
    margin-bottom: 5px;
}

.review p  {
    color: var(--bodytext);
    margin:0 ;
}

.review-stars img {
    width: 15px;
    margin: 0;
}

.review-stars   {
    margin-bottom: 5px;
}