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

body {
    background-color: #282850;
}

body, input, button {
    font-family: 'Open Sans', sans-serif;
}

input, button {
    font-size: 16px;
    border: none;
}

input:focus-visible, button:focus-visible {
    outline: none;
}

.head_bar {
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #191937;
    color: white;
}

.head_bar > h1 {
    color : #8282E6;
}

main {
    max-width: 800px;
    width: 80%;
    margin: 0 auto;
    padding: 16px;

}

.input_section {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border-radius: 12px;
    background-color: #282850;
    box-shadow:  16px  16px 32px #20203f,
                -16px -16px 32px #303061;
}

.input_section > h2 {
    text-align: center;
    color: #8282E6;
}

.input_section > form > .input {
    margin: 12px 0;
}

.input_section > form > button {
    background-color: #8282E6;
    color: white;
    border: 0;
    border-radius: 5px;
    display: block;
    width: 100%;
    padding: 8px;
    cursor: pointer;
    transition: .2s;
}

.input_section > form > button:hover {
    opacity: .7;
}

.input_section > form > button > span {
    font-weight: bold;
}

.input_section > form > .input > input {
    display: block;
    width: 100%;
    padding: 8px;
    border-radius: 5px;
    margin-top: 8px;
    background-color: #464678;
    color: white;
}

/* Chrome, Safari, Edge, Opera */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/* Firefox */
input[type=number] {
    -moz-appearance: textfield;
}

.input_section > form > .input > label {
    color: #8282E6;
    font-weight: bold;
}

.input_section > form > .input_inline {
    margin: 16px 0;
    display: flex;
    align-items: center;
}

.input_section > form > .input_inline > label {
    color: #8282E6;
    font-weight: bold;
    margin-right: 10px;
}

.checkbox_switch {
    position: relative;
    display: inline-block;
    width: 54px;
    height: 28px;
}

.checkbox_switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}
  
.slider_round {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #464678;
    -webkit-transition: .4s;
    transition: .4s;
    border-radius: 34px;
}

.slider_round:hover {
    opacity: .7;
}

.slider_round:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider_round {
    background-color: #8282E6;
}

input:focus + .slider_round {
    box-shadow: 0 0 1px #8282E6;
}

input:checked + .slider_round:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
}

.search_section {
    margin: 48px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    border-radius: 12px;
    background-color: #282850;
    box-shadow:  16px  16px 32px #20203f,
                -16px -16px 32px #303061;
}

.search_section > h2 {
    color: #8282E6;
}

.search_section > form {
    padding: 16px;
    width: 100%;
    display: grid;
    grid-template-columns: auto 1fr 64px;
    grid-gap: 10px;
}

.search_section > form > label {
    display: flex;
    align-items: center;
    color: #8282E6;
    font-weight: bold;
}

.search_section > form > input {
    padding: 8px;
    border-radius: 5px;
    background-color: #464678;
    color: white;
}

.search_section > form > button {
    background-color: #8282E6;
    color: white;
    border: 0;
    border-radius: 5px;
    cursor: pointer;
    transition: .2s;
}

.search_section > form > button:hover {
    opacity: .7;
}

.book_shelf {
    margin: 48px 0;
    padding: 16px;
    border-radius: 12px;
    background-color: #282850;
    box-shadow:  16px  16px 32px #20203f,
                -16px -16px 32px #303061;
}

.book_shelf > h2 {
    color: #8282E6;
}

.book_shelf > .book_list {
    padding: 0 16px 16px 16px;
}

.book_shelf > .book_list > .book_item {
    padding: 8px 16px 16px 16px;
    border-radius: 5px;
    margin-top: 18px;
    background-color: #32325A;
}

.book_shelf > .book_list > .book_item > h3, p {
    margin: 8px 0;
    color: white;
}

.book_shelf > .book_list > .book_item > .action {
    margin-top: 16px;
}

.book_shelf > .book_list > .book_item > .action > button {
    width: 48px;
    height: 38px;
    border: 0;
    padding: 5px;
    margin: 0 5px 0 0;
    border-radius: 5px;
    cursor: pointer;
    transition: .2s;
}

.book_shelf > .book_list > .book_item > .action > button:hover {
    opacity: .7;
}

.book_shelf > .book_list > .book_item > .action > .green {
    background-color: #466E46;
    color: #00F000;
}

.book_shelf > .book_list > .book_item > .action > .orange {
    background-color: #6E6450;
    color: #F0BE0A;
}

.book_shelf > .book_list > .book_item > .action > .red {
    background-color: #644646;
    color: #E61E00;
}

.edit_section {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    justify-content: center;
    border: none;
    border-radius: 0;
    display: none;
    background-color: rgba(40, 40, 80, 0.5);
    backdrop-filter: blur(2px);
}

.edit_section > form {
    width: 450px;
    margin: auto;
    padding: 20px;
    border-radius: 12px;
    background-color: #282850;
    box-shadow:  16px  16px 32px #20203f,
                -16px -16px 32px #303061;
}

.edit_section > #editBook > h2 {
    text-align: center;
    color: #8282E6;
}

.edit_section > #editBook > button {
    margin-top: 16px;
}

.edit_section > #editBook > .green {
    background-color: #466E46;
    color: #00F000;
}

.edit_section > #editBook > .red {
    background-color: #644646;
    color: #E61E00;
}

.swal-title {
    color : #8282E6;
    font-weight: bold;
}

.swal-button {
    background-color: #8282E6;
    color: white;
}

.swal-button:active {
    background-color: #8282E6;
}

.swal-button:focus {
    box-shadow: none;
}

.swal-button:not([disabled]) {
    transition: .2s;
}

.swal-button:not([disabled]):hover {
    background-color: rgb(170, 170, 230);
}

.swal-button--danger {
    background-color: red;
}

.swal-button--danger:active {
    background-color: red;
}

.swal-button--danger:not([disabled]) {
    transition: .2s;
}

.swal-button--danger:not([disabled]):hover {
    background-color: rgb(250, 120, 120);
}

footer {
    padding: 20px;
    color: white;
    background-color: #191937;
    text-align: center;
}

a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: .2s;
}

a:hover {
    color: #8282E6;
}