@import url('https://fonts.googleapis.com/css2?family=Barlow&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Overpass&display=swap');

* {
    margin: 0;
    padding: 0;
}

:root {
    --off-white: rgb(255, 255, 255, 0.7);
    --dark-blue: #1d1f35;
    --purple: rgb(174, 124, 255);
    --springgreen: springgreen;
    --barlow: 'Barlow', sans-serif;
    --overpass: 'overpass', sans-serif;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: white;
}

::-webkit-scrollbar-thumb {
    background: #333333;
}

::-webkit-scrollbar-thumb:hover {
    background: #1b1b1b;
}

/* ===== OTHER ===== */
body {
    background: #efefef;
    padding-bottom: 3rem;
}

button {
    cursor: pointer;
}

a {
    text-decoration: none;
}

/* ===== NAVBAR ===== */
nav {
    height: 12vh;
    width: 100%;
    background: var(--dark-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 0 6px black;
}

.nav-left,
.nav-right {
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-left {
    margin-left: 5rem;
}

.filler-logo {
    color: var(--purple);
    font-family: var(--barlow);
    text-align: center;
    border: 2px solid var(--purple);
    height: 80%;
    width: 9.6vh;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.9;
    box-shadow: inset 0 0 4px var(--purple);
}

.filler-logo i {
    font-size: calc(2rem + 0.390625vw);
    transition: 0.6s ease;
    cursor: pointer;
    color: var(--purple);
}

.filler-logo:hover i {
    transform: rotate(360deg);
}

h1 {
    font-size: calc(2.4rem + 0.390625vw);
    color: white;
    font-family: var(--overpass);
    margin-left: 2rem;
    border-bottom: 4px solid white;
}

.nav-right,
.nav-right h2 {
    margin-right: 3rem;
}

.nav-right h2 {
    font-size: calc(1.75rem + 0.390625vw);
    color: white;
    font-family: var(--overpass);
    padding-top: 5px;
}

.open-form {
    padding: 8px 10px 5px 10px;
    border-radius: 3px;
    font-size: calc(16px + 0.390625vw);
    background: var(--springgreen);
    color: var(--dark-blue);
    border: 2px solid var(--springgreen);
    font-family: var(--overpass);
    position: relative;
    z-index: 0;
    overflow: hidden;
    transition: 0.4s ease;
}

.open-form i {
    color: var(--dark-blue);
    margin-right: 0.3rem;
    transition: 0.4s ease;
}

.open-form:hover,
.open-form:hover i {
    color: var(--springgreen);
}

.open-form::after {
    content: '';
    background: var(--dark-blue);
    position: absolute;
    top: 0;
    right: -20px;
    z-index: -1;
    transition: 0.6s ease;
    height: 100%;
    width: 0;
    transform: skew(20deg);
}

.open-form:hover::after {
    width: 135%;
}

/* ===== BOOK AREA ===== */
.book-area {
    display: grid;
    grid-template: 400px / repeat(4, 1fr);
    grid-auto-rows: 400px;
    justify-items: center;
    align-items: center;
    padding: 40px 10px;
    grid-row-gap: 40px;
}

.card {
    background: var(--dark-blue);
    height: 100%;
    width: 85%;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 25px;
    box-shadow: 0 4px 8px rgb(0, 0, 0, 0.8);
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
}

.card-title {
    color: white;
    font-family: var(--overpass);
    font-size: calc(1.3rem + 0.390625vw);
}

.card h3 {
    font-family: var(--overpass);
    font-size: calc(1.05rem + 0.390625vw);
}

.card h3:nth-child(2) {
    color: white;
}

.card h3:nth-child(3) {
    color: var(--off-white);
}

.card-read-status {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    width: 30%;
    height: 40px;
    font-size: calc(14px + 0.390625vw);
    font-family: var(--barlow);
    transition: 0.4s ease;
}

.card-read-status.read {
    background: rgb(0, 255, 128);
    color: black;
}

.card-read-status.not-read {
    background: rgb(211, 27, 27);
    color: white;
}

.delete-card {
    padding: 5px 10px;
    width: 30%;
    height: 40px;
    font-size: calc(14px + 0.390625vw);
    font-family: var(--barlow);
    transition: 0.3s ease;
    background: white;
    border: 2px solid var(--off-white);
    border-radius: 3px;
}

.delete-card:hover {
    box-shadow: inset 0 0 30px 30px crimson;
    color: white;
}

/* ===== FORM/MODAL ===== */
.container {
    display: flex;
    justify-content: center;
}

.modal {
    position: fixed;
    top: -20%;
    transform: translateY(-50%) scale(0.1);
    background: var(--dark-blue);
    height: 420px;
    width: 340px;
    border-radius: 5px;
    z-index: 2;
    visibility: hidden;
    transition: 0.65s ease;
    border: 2px solid var(--purple);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.modal.show {
    visibility: visible;
    transform: scale(1);
    top: 15vh;
}

.modal h2 {
    color: var(--purple);
    font-family: var(--overpass);
    font-size: calc(1.5rem + 0.390625vw);
    margin-bottom: 10px;
}

form {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 30px;
}

.input-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.input-container input {
    position: relative;
    height: 60%;
    padding: 16px;
    font-size: calc(1.05rem + 0.390625vw);
    background: none;
    outline: none;
    border-radius: 3px;
    border: 2px solid var(--off-white);
    color: var(--off-white);
    font-family: var(--barlow);
}

.input-container label {
    position: absolute;
    top: 25%;
    left: 20px;
    font-size: calc(15px + 0.390625vw);
    text-transform: uppercase;
    color: var(--off-white);
    border-radius: 3px;
    font-family: var(--barlow);
    transition: 0.4s ease;
    cursor: text;
}

.input-container input:focus ~ label,
.input-container input:valid ~ label {
    top: -8px;
    background: var(--springgreen);
    color: var(--dark-blue);
    padding: 1px 6px;
    font-size: calc(0.55rem + 0.390625vw);
    letter-spacing: 0.1ch;
}

.last-input-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.last-input-container input {
    height: 20px;
    width: 20px;
}

.last-input-container label {
    color: var(--off-white);
    font-family: var(--barlow);
    font-size: calc(15px + 0.390625vw);
    text-transform: uppercase;
    margin-left: 10px;
    transition: 0.3s ease;
}

.last-input-container input:checked ~ label {
    color: var(--purple);
}

.confirm-book {
    background: var(--springgreen);
    color: var(--dark-blue);
    padding: 8px 10px 5px 10px;
    font-size: calc(1.15rem + 0.390625vw);
    font-family: var(--overpass);
    border: none;
    border-radius: 3px;
    position: relative;
    z-index: 1;
    border: 2px solid var(--springgreen);
    overflow: hidden;
    transition: 0.4s ease;
}

.confirm-book:hover {
    color: var(--springgreen);
}

.confirm-book::after {
    content: '';
    position: absolute;
    top: 0;
    left: -20px;
    height: 100%;
    width: 0;
    z-index: -1;
    background: var(--dark-blue);
    transition: 0.6s ease;
    transform: skew(-20deg);
}

.confirm-book:hover::after {
    width: 135%;
}

/* ===== FORM COMPLETION MESSAGE ===== */
.form-complete {
    position: fixed;
    top: 30vh;
    background: black;
    height: 200px;
    width: 400px;
    border-radius: 5px;
    z-index: 1;
    visibility: hidden;
    transition: 0.6s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
}

.form-complete h2 {
    text-align: center;
    color: white;
    font-family: var(--barlow);
}

.form-complete.show {
    opacity: 1;
    visibility: visible;
}

/* ===== OVERLAY ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgb(0, 0, 0, 0.5);
    visibility: hidden;
}

.overlay.show {
    visibility: visible;
}

/* ===== FOOTER ===== */
footer {
    position: fixed;
    bottom: 0;
    background: var(--dark-blue);
    box-shadow: 0 0 6px black;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 4vh;
    width: 100%;
    padding: 4px 0;
}

footer p {
    color: white;
}

footer p,
footer a {
    font-family: var(--overpass);
    font-size: calc(14px + 0.390625vw);
}

footer i {
    opacity: 0;
    transition: 0.4s ease;
    font-size: calc(15px + 0.390625vw);
}

.my-name {
    position: relative;
    z-index: 0;
    color: var(--purple);
    transition: 0.4s ease;
    padding: 2px 4px;
}

.my-name:hover {
    color: var(--dark-blue);
}

.my-name::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    background: var(--purple);
    height: 100%;
    width: 0;
    z-index: -1;
    transition: 0.4s ease;
    border-radius: 3px;
}

.my-name:hover::after {
    width: 100%;
}

.my-name:hover ~ i {
    opacity: 1;
    transform: translateX(10px);
}

/* ===== MEDIA QUERIES ===== */
@media(max-width: 1350px) {
    .card-read-status {
        width: 45%;
        height: 40px;
    }

    .delete-card {
        width: 45%;
    }
}

@media (max-width: 1200px) {
    .filler-logo {
        height: 70%;
        width: 8.4vh;
    }

    .book-area {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1000px) {
    .nav-left {
        margin-left: 1.5rem;
    }

    .nav-right {
        margin-right: 1.5rem;
    }

    .book-area {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 770px) {
    h1 {
        margin-left: 1rem;
    }

    .nav-right h2 {
        display: none;
    }
}

@media (max-width: 730px) {
    .book-area {
        grid-template-columns: 1fr;
    }

    .card {
        width: 50%;
    }
}

@media (max-width: 690px) {
    .card {
        width: 70%;
    }
}