:root {
    --font-size: 1rem;
    --scroll: 2rem;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #fff;
    scroll-padding: var(--scroll);
}



::selection{
    background-color: goldenrod;
    color: white;
}

body {
    background: #131319;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.c::before{
    position: absolute;
    content: "";
    height: 100%;
    width: 100%;
    top: 0;
    bottom: 0;
    backdrop-filter: blur(10px);
    background: rgba(19,19,25,0.4);
    z-index: 4;/* 1 */
    
}



.nowrap {
    white-space: nowrap;
}

/* HEADER */

.header-background {
    background: rgba(255, 215, 0, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    backdrop-filter: blur(5px);
    width: 100%;
    z-index: 2;
}

header,
.header-background,
header::after {
    height: 4rem;    
}

header::after {
    content: "";
    position: absolute;
    background: linear-gradient(45deg, transparent, transparent, gold, transparent, transparent);
    width: 100%;
    top: 0;
    left: -100%;
    transition: 0.5s;
    z-index: -1;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    font-weight: bolder;
    z-index: 3;
}

header:hover::after {
    left: 100%;
}

header,
nav ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0.5rem;
}

.logo {
    font-family: Courier New;
    margin-left: 2vh;
}

.style {
    font-family: Times New Roman;
}

.logo,
.style {
    color: gold;
    font-size: 2rem;
}

.logo i {
    margin-right: 1vh;
}

nav ul,
a {
    list-style: none;
    text-decoration: none;
}

nav ul li {
    margin-right: 4vh;
    font-size: 1rem;
}

nav ul li:last-child {
    margin-right: 1vh;
}




/* MAIN */


/* Search */


.main-search,
.search-section {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.main-search {
    margin: 15vh 0;
} 

.main-search h1 {
    color: gold;
    font-weight: lighter;
    font-size: 1rem;
    margin: 1.5rem 0 0 1rem;
}

.search-bar{
    border-radius: 10rem;   
    width: 70%;
    min-width: 20rem;
    padding: 1vh;
    margin: 1rem 0;
    display: flex;
    border: 2px solid white;
    flex-direction: row;
    justify-content: space-evenly;
    font-size: 2vh;
}
.search-bar i {
    margin: 0 1rem;   
    font-size: 1rem;
}


.books-pane{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 15vh 0;
}




.search-bar input {
    border: none;
    outline: none;
    background: transparent;
    padding: 1rem 1rem 1rem 0;
    width: 90%;
    font-size: 1rem;
}

.search-bar input::placeholder {
    color: #c9b01e;
    font-size: 1rem;
}

.search-result-section, .all-books{
    display: grid;
    grid-template-columns: repeat(4, 1fr);    
    width: 70%;    
    min-width: 20.5rem;
    margin: 5vh 0;
    background: #131319;
    column-gap: 2vh;
    grid-row-gap: 2vh;
    
    
}




.book-result, .book {
    height: 20rem;
    text-align: center;
    width: fit-content;
    scroll-padding: 20rem;
}

.book-result img, .book img{
    height: min(20rem, 80%);
    width: 10rem;
    margin: 1rem 0;
}

.book-result p , .book p{
    word-wrap: break-word;
    color: gold;
    font-family: Times New Roman;
    display: -webkit-box;
    max-width: 100%;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    width: 15vw;
}



.search-section .logo {
    transform: scale(1.2);
    margin: 2vh 0;
}

/* Pop-up */



.popup-content p{
    font-size: 0.9rem;
    text-align: justify;
}
.popup-content h1{
    font-size: 2rem;
}
.popup-content h3{
    font-size: 1.5rem;
}
.popup-content h4{
    font-size: 1.5rem;
}

.genre-btn{
    padding: 0.5rem 1rem;
    margin: 1vh 0.5vh;
    background: black;
    color: white;
    border-radius: 2rem;
    border: none;
    outline:  none;
    font-size: 1.1rem;
}

.close-btn{
    padding: 0.5rem 1rem;
    margin: 1.5vh 0.5vh;
    margin-bottom: 0;
    border: none;
    outline:  none;
    color: black;
    background: gold;
    border-radius: 2rem;
    font-weight: bolder;
    font-size: 1.1rem;
}

.popup-content{   
    background: linear-gradient(rgba(0,0,0,0.5), goldenrod);
    width: 100%;
    height: 100%;
    border-radius: 2vh;
    padding: 2vh 2vh 5vh 2vh;    
    text-align: center;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-direction: column;
}

.popup-info{    
    position: absolute;   
    right: 0;   
    left: 0;
    z-index: 5;/* 1 */    
    width: 30%;
    height: 90vh;
    box-shadow: 0 0 2vh 2vh goldenrod;
    border-radius: 2vh;
    transform: translate(120%, -50%);
}

.synopsis-section{
    width: 100%;        
    overflow: auto;
}        

/* Book Addition (Form) */


.add-books{
    margin: 15vh 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.update .book-add{
    background: transparent;
    outline: none;
    border: none;
    width: 90%;
    height: fit-content;
    font-size: 1.5rem;
    border-bottom: 2px solid gold;
    margin: 1rem 0;
}

.update .book-add::placeholder{
    color: gold;
    font-family: Times New Roman;
    font-weight: bolder;
}

.update .syno{
    height: 20vh;
    font-size: 1.5rem;
    margin: 2vh 0;
    font-weight: bold;
}

.update h1{
    font-size: 2.5rem;
} 

.form-box{
    width: 90%;
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;    
    border-radius: 2vh;
    
}


.update{
    position: relative;
    background: #131319;
    height: 70vh;
    width: 70%;
}

.update textarea{
    height: max-content;
    margin: 1rem 0;
}

.update::after{
    top: 0;
    position: absolute;
    content: "";    
    width: 100%;
    height: 100%;
    background: linear-gradient(-45deg, transparent , gold, transparent, white, transparent);
    z-index: -1;
    filter: blur(10vh);
    
}



.add-btn{
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
}



/* FOOTER */

footer {
    height: fit-content;
    width: 100%;
    background: #131319;
    padding: 1rem;
    border-top-left-radius: 15vh;
    box-shadow: 0 0 2vh 1vh gold,
                0 0 2vh 1vh gold,
                0 0 2vh 1vh gold;    
    padding: 2rem;
    font-size: var(--font-size);
    font-weight: lighter;    
    z-index: 3;
}

.footer-row {
    width: 90%;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.footer-col {
    flex-basis: 15%;
    padding: 0.5rem;
    line-height: 2rem;
}

.text {
    margin-left: 1vh;
    width: 80%;
    text-align: center;
    line-height: normal;
}

footer h3,
footer h3 span {
    text-align: center;
    color: gold;
}

.email {
    font-weight: 300;
}

.under-line {
    width: 100%;
    height: 0.5vh;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    margin: 1vh;
    position: relative;
    overflow: hidden;
}

.under-line::before {
    position: absolute;
    content: "";
    top: 0;
    left: 10px;
    width: 2vh;
    height: 100%;
    background: gold;
    border-radius: 10px;
    animation: line 1s linear infinite;
}

@keyframes line {
    0% {
        left: -20px;
    }
    100% {
        left: 100%;
    }
}

form {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

form textarea {
    padding: 0.5rem;
    background: transparent;
    border: 2px double gold;
    outline: none;
    border-radius: 10px;
    font-size: var(--font-size);
    width: 90%;
    height: max-content;
    font-family: inherit;
}

form textarea::placeholder {
    font-family: Times New Roman;
    color: gold;
}

.footer-col ul li,
.footer-col:nth-child(2) {
    text-align: center;
    list-style: none;
}

form button {
    background: goldenrod;
    font-size: var(--font-size);
    font-weight: bolder;
    padding: 0.5vh;
    border-radius: 10px;
    border: none;
    outline: none;
    margin: 1vh;
}

.media {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 90%;
    margin: 1vh;
    height: max-content;
}

.media a i{
    color: gold;
    font-size: 1.5rem;
    margin: 1rem 1rem;
}

.copyright {
    text-align: center;
    margin: 1rem;
}





@media screen and (max-width: 768px) {    
    :root{
        --scroll: 5rem;
    }
    .search-result-section, .all-books{
        grid-template-columns: repeat(3, 1fr);        
    }
    
    .book-result img, .book img{
        height: min(13rem, 85%);
        width: 8rem;
    }
    .book-result p , .book p{
        width: 100%;
    }

    .popup-info{
        height: 65vh;
        width: 40%;
        transform: translate(70%, -50%);
    }
   }





@media screen and (max-width: 576px) {    
    header {
        flex-direction: column;
    }

    header,
    .header-background,
    header::after {
        height: 6rem;
    }

    .logo,
    .style {
        font-size: 2rem;
    }

    nav ul li a {
        font-size: 1rem;
    }

    nav ul li:last-child {
        margin-right: 0;
    }
    
    footer{
        margin-top: 3rem;
    }
    
    .footer-col {
        flex-basis: 100%;
        margin-bottom: 2rem;
        font-size: 1rem;
        line-height: 2rem;
    }

    form textarea {
        height: 4rem;
        margin-top: 1rem;
        font-size: 1rem;
    }

    form button {
        margin: 1rem;
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    .media {
        margin: 2rem 2rem 2rem 0.5rem;
    }

    .media a i {
        font-size: 1.5rem;
        margin: 0.5rem;
    }


    .main-search, .books-pane {
        margin: 10rem 0;
    }

    .main-search h1 {        
        font-size: 1rem;
        margin: 1.5rem 0 0 1rem;
    }

    .search-bar {
        padding: 0;
        border: 2px solid white;
    }

    .search-bar i {
        margin: 0 1rem;
        font-size: 1rem;
    }

    .search-bar input{
        font-size: 1rem;
    }

    .search-result-section, .all-books{
        grid-template-columns: repeat(2, 1fr);        
        column-gap: 2rem;        
        grid-row-gap: 3rem;
    }
   
    
    .all-books, .search-result-section{
        height: auto;
        width: 100%;        
        margin-top: 5rem;
        column-gap: 15%;
        padding: 1rem;
    }
    

    
   

    .book-result, .book {
        height: 20rem;
        text-align: center;
    }
    
   

    .book-result p , .book p,
    .book-result img , .book img{
        font-size: 1rem;
        width: 100%;
    }

    .search-bar input::placeholder {
        color: #c9b01e;
        font-size: 1rem;
    }

    .search-section .logo {
        transform: scale(0.6);
        margin: 0;
    }
    
    
   .popup-content{   
        border-radius: 20px;
        padding: 1rem;    
        justify-content: center;
    }

    .popup-content p{
        font-size: 1rem;
    }
    .popup-content h1{
        font-size: 2rem;
        mmargin-top: 20rem;
    }
    .popup-content h3{
        font-size: 1.5rem;
    }
    .popup-content h4{
        font-size: 1rem;
    }

    .genre-btn{
        padding: 0.5rem 1rem;
        margin: 1rem 0.5rem;    
        border-radius: 20px;   
        font-size: 1rem;
    }

    .close-btn{
        padding: 0.5rem 1rem;
        margin: 1rem 0.5rem;
        border-radius: 20px;   
        font-size: 1rem;
    }

    .popup-info {
        width: 80%;
        height: 27rem;
        box-shadow: 0 0 2px 2px goldenrod;
        border-radius: 20px;
        transform: scale(0.1) ;
        opacity: 0;
    }

    .pop-open {
        opacity: 1;
        transform: scale(1) translate(13%, -50%);
    }

    
    
    .books-pane, .main-search{
        padding: 1rem;
    }
   
    
   .add-books{
       margin: 15rem 0;
   }
    
    
    
   .update .book-add{
        font-size: 1rem;
        margin: 1rem 0;
    }
    
    .update .syno{
        height: 20rem;
        font-size: 1rem;
    }
    
   .update h1{
        font-size: 2.5rem;
        margin-top: 1rem;
    }
    
    
    .update{
        height: 30rem;
        width: 90%;
    }
    
}