/* zhyDaDa edit */

:root {
    --color-light: #fba3a3;
    --color-lighter: #aaa;
    --color-deep: #C95758;
    --colot-deeper: #222;
    --white: #ffffff;
    --light: #f0eff3;
    --black: #000000;
    --dark-blue: #1f2029;
    --dark-light: #353746;
    --red: #da2c4d;
    --yellow: #f8ab37;
    --grey: #ecedf3;
    --dark: #2A3950;
    --background: #fff;
}

hr {
    clear: both;
}

#body {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    overflow-y: auto;
    background-color: #333
}

.bgContainer {
    /* Center the content */
    align-items: center;
    position: fixed;
    flex-direction: column;
    justify-content: center;
    /* Take full size */
    height: 100vh;
    width: 100%;
    z-index: -1;
    /* Display */
    opacity: .9;
}

.bgContainer img {
    width: 100vw;
    height: 100vh;
    opacity: 0.6;
}

.mainContainer {
    position: fixed;
    height: 100vh;
    width: 95.2%;
    padding-left: 2.4%;
    padding-right: 2.4%;
    margin-top: 0;
}

.holy-grail__main {
    /* Take the remaining height */
    flex-grow: 1;
    /* Layout the left sidebar, main content and right sidebar */
    display: flex;
    flex-direction: row;
    height: 100%;
}

.holy-grail__left {
    width: 25%;
}

.holy-grail__middle {
    /* Take the remaining width */
    flex-grow: 1;
    margin-left: 2%;
}

.content {
    overflow-y: auto;
}

.content>span {
    position: fixed;
    right: 8vw;
}

.content>span:hover {
    color: #fff;
    background: var(--color-deep);
}

#displayBoard {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.alertBoard {
    position: relative;
    width: 100%;
    display: flex;
    left: 0px;
    flex-direction: column;
    align-content: center;
    flex-wrap: wrap;
}

form>h1 {
    align-content: center;
}

.target,
.showQA-btn,
.bigBlock {
    display: inline-block;
    position: relative;
    width: 94%;
    height: 94%;
    border-radius: 6px;
    color: rgba(0, 0, 0, 0.87);
    background: #fff;
    box-shadow: 0 2px 3px 1px rgb(0 0 0 / 14%), 0 3px 1px -2px rgb(0 0 0 / 20%), 0 1px 5px 0 rgb(0 0 0 / 12%);
    padding: .5%;
    text-align: center;
    left: 0;
    right: 0;
    margin: 2%;
}

.target {
    text-align: center;
    min-height: 40vh;
    color: #444;
    background-color: #fff;
    /* pointer-events: none; */
}

h5.question {
    background-color: var(--color-light);
    color: #FFF;
    border-radius: 4px;
}


/* fullScreenIcon右下角显示伪元素, 用字符图案表示是全屏按钮 */


/*
#fullScreenIcon {
    overflow: visible;
    display: flex;
    flex-direction: row-reverse;
    width: 94%;
}

#fullScreenIcon div {
    position: relative;
    overflow: visible;
    transform: translateY(-200%);
}

#fullScreenIcon div::after {
    content: "\f065";
    font-family: "FontAwesome";
    font-weight: 480;
    position: relative;
    right: 0;
    bottom: 0;
    font-size: 1rem;
    padding: .32rem;
    background-color: var(--color-light);
    color: #FFF;
    border-radius: 4px;
    z-index: 99;
    transform: translateY(-100%);
}
*/

td>canvas {
    border: 2px solid var(--color-deep);
    width: 90%;
}

.showQA-btn {
    background-color: var(--color-light);
    color: #FFF;
    height: 1.4rem;
    font-size: 1.2rem;
}

.btn-16 {
    border: none;
    width: 94%;
    height: 40px;
    color: #fff;
    border-radius: 50px;
    padding: 10px 25px;
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    font-size: 16px;
    background: var(--color-light);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    box-shadow: inset 1px 1px 1px 0px rgb(255 255 255 / 50%), inset -5px -5px 10px 0px rgb(0 0 0 / 10%), 4px 4px 6px 0px rgb(0 0 0 / 10%), 2px 2px 2px 0px rgb(0 0 0 / 10%);
    text-shadow: 2px 2px 3px rgba(255, 255, 255, .5), -4px -4px 6px rgba(116, 125, 136, .2);
    outline: none;
}

.btn-16:after {
    position: absolute;
    content: "";
    width: 0;
    height: 100%;
    top: 0;
    left: 0;
    direction: rtl;
    z-index: 2;
    border-radius: 50px;
    box-shadow: -14px -7px 20rem 30rem #ffffff66, -4px -4px 5px 0px #fff9, 7px 7px 20px 0px #0002, 4px 4px 5px 0px #0001;
    transition: all 0.55s ease;
}

.btn-16:hover {
    color: #FFF;
}

.btn-16:hover:after {
    left: auto;
    right: 0;
    width: 100%;
}

.btn-16:active {
    top: 2px;
}

.question {
    font-size: 36px;
    line-height: 65px;
}

.short-answer {
    font-size: large;
    line-height: 30px;
    margin-top: 10px;
}

.long-answer {
    font-size: 20px;
    line-height: 25px;
    margin-top: 4px;
}

ul.questions,
ul.answers {
    display: flex;
    justify-content: space-around;
    align-items: stretch;
}

ul.questions h5 {
    width: 100%;
    margin: 0.3vw;
    /* 文字自动换行适应大小 */
    word-wrap: break-word;
    word-break: break-all;
    /* 文字自动换行适应大小 */
    text-align: center;
    font-size: 1.2rem;
    line-height: 1rem;
    padding: .5rem 0;
}

ul.answers h7 {
    width: 100%;
    margin: 0.3vw 0vw;
    /* 文字自动换行适应大小 */
    word-wrap: break-word;
    word-break: break-all;
    /* 文字自动换行适应大小 */
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.35rem;
    padding: .5rem 0;
    border-left: var(--color-deep) solid .068rem;
    border-right: var(--color-deep) solid .068rem;
}


/* ul.answers h7 第一个元素 */

ul.answers h7:first-child {
    border-left: none;
}


/* ul.answers h7 最后一个元素 */

ul.answers h7:last-child {
    border-right: none;
}

.centered {
    width: 96%;
    left: 0;
}

.page {
    overflow-y: auto;
}

#page1 {
    width: 94%;
    align-items: center;
    display: flex;
    flex-direction: column;
}

#page2 {
    width: 94%;
    align-items: center;
    display: flex;
    flex-direction: column;
}

#page4-content {
    overflow-y: scroll;
    max-height: 82vh;
    padding: 0 2vw;
    color: #333;
    font-size: 16px;
}

#page4-content h3 {
    font-size: 45px;
    color: var(--color-light);
    text-decoration-line: underline;
    margin-bottom: 2vh;
}

#page4-content p {
    line-height: 24px;
}

#page4-content p strong,
#target strong {
    font-weight: 900;
    background-color: var(--color-light);
    color: #fff;
    padding: 3px;
}

#page4-content p code,
#target code {
    font-weight: 600;
    border: solid 2px var(--color-deep);
    padding: 3px;
    line-height: 24px;
}

.content>span {
    right: 10vw;
    bottom: 5vh;
}

#choose-book {
    position: relative;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    padding: 1rem .5rem;
    background-color: white;
    border-radius: 2rem;
}

form {
    padding: 1rem .5rem !important;
    background-color: white;
    border-radius: 2rem !important;
}

#choose-book h1 {
    color: #FFF !important;
    background-color: var(--color-light);
    font-weight: 100;
    letter-spacing: 0.01em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    border-radius: .8rem;
    line-height: 3.6rem;
    text-align: center;
    width: 100%;
    font-size: 50px;
}

#choose-book>.card-layout {
    display: flex;
    /* Put a card in the next row when previous cards take all width */
    flex-wrap: wrap;
    margin-left: -0.25rem;
    margin-right: -0.25rem;
}

.card-layout div {
    /* There will be 3 cards per row */
    flex-basis: 33.33333%;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
    min-height: 6vh;
    background-color: var(--color-light);
    border-radius: 8px;
    color: #FFF;
}

table.book-info {
    width: 94%;
    height: 1.3rem;
    text-align: center;
    font-size: 18px;
}

table.book-info>tbody>tr>th {
    color: #fff;
    background-color: var(--color-light);
    border: 1px solid var(--color-light);
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
}

table.book-info>tbody>tr th:first-child {
    border-left: 2px solid var(--color-light);
}

table.book-info>tbody>tr th:last-child {
    border-right: 2px solid var(--color-light);
}

table.book-info>tbody>tr>td {
    color: #555;
    background-color: #fff;
    border: 2px solid var(--color-light);
    vertical-align: top;
}

table.book-info>tbody>tr td:first-child {
    border-left: 2px solid var(--color-light);
}

table.book-info>tbody>tr td:last-child {
    border-right: 2px solid var(--color-light);
    padding: .1rem;
}


/* tab-wapper */

.tab-menu li {
    position: relative;
    background-color: #fff;
    color: #bcbcbc;
    display: inline-block;
    padding: 2vh 2vw;
    opacity: 0.8;
    cursor: pointer;
    z-index: 0;
}

.tab-menu li:hover {
    color: #464646;
}

.tab-menu li.active {
    color: #464646;
    opacity: 1;
}

.tab-menu li.active:hover {
    color: #464646;
}

.tab-content {
    width: 96%;
    margin-top: -2vh;
}

.tab-content>div {
    background-color: #fff;
    box-sizing: border-box;
    width: 100%;
    min-height: 200px;
}

.line {
    position: absolute;
    width: 0;
    height: 7px;
    background-color: var(--color-light);
    top: 0;
    left: 0;
}


/* book 卡片 */

.book-grid-pannel {
    display: grid;
    grid-template-columns: repeat(3, 33.3%);
    max-height: 54vh;
    overflow-y: scroll;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    border-radius: 8px;
}

::-webkit-scrollbar-button {
    display: none;
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-light);
    border-radius: 4px;
}

::-webkit-scrollbar-track-piece {
    background-color: var(--grey);
    border-radius: 4px;
}

.checkbox:checked~.background-color {
    background-color: var(--white);
}

.checkbox[type="radio"]:checked,
.checkbox[type="radio"]:not(:checked) {
    position: absolute;
    left: -9999px;
    width: 0;
    height: 0;
    visibility: hidden;
}

.checkbox[type="checkbox"]:checked,
.checkbox[type="checkbox"]:not(:checked) {
    position: absolute;
    left: -9999px;
    width: 0;
    height: 0;
    visibility: hidden;
}

.checkbox:checked+label,
.checkbox:not(:checked)+label {
    position: relative;
    display: inline-block;
    padding: 0;
    padding-top: 15px;
    padding-bottom: 15px;
    width: 90%;
    font-size: 2.5vw;
    line-height: 48px;
    font-weight: 700;
    letter-spacing: 1.2px;
    margin: 0 auto;
    margin-left: 5px;
    margin-right: 5px;
    margin-bottom: 22px;
    text-align: center;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    text-transform: uppercase;
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear;
    -webkit-text-stroke: .8px var(--dark-blue);
    text-stroke: .8px var(--white);
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    color: transparent;
    z-index: 1;
}

.checkbox:not(:checked)+label {
    background-color: #dddddddd;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
    z-index: unset;
}

.checkbox:checked+label {
    background-color: transparent;
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.checkbox:not(:checked)+label:hover {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.checkbox:checked+label::before,
.checkbox:not(:checked)+label::before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    background-image: linear-gradient(138deg, var(--color-light), var(--color-deep));
    z-index: -3;
}

.checkbox:checked+label div,
.checkbox:not(:checked)+label div {
    position: relative;
    display: block;
    color: black;
}

.checkbox:checked+label div::before,
.checkbox:not(:checked)+label div::before {
    position: absolute;
    content: attr(data-hover);
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    -webkit-text-stroke: transparent;
    text-stroke: transparent;
    -webkit-text-fill-color: var(--white);
    text-fill-color: var(--white);
    color: var(--white);
    -webkit-transition: max-height 0.3s;
    -moz-transition: max-height 0.3s;
    transition: max-height 0.3s;
}

.checkbox:not(:checked)+label div::before {
    max-height: 0;
}

.checkbox:checked+label div::before {
    max-height: 100%;
}


/* 设置面板 */

#setting h3 {
    font-size: 45px;
    color: var(--color-light);
    text-decoration-line: underline;
    margin-bottom: 2vh;
}

.setting-pannel_1 {
    display: grid;
    grid-template-columns: repeat(2, 50%);
}

.setting-pannel_2_1 {
    display: grid;
    grid-template-columns: repeat(5, 20%);
    grid-row-gap: 2vh;
    align-content: center;
    justify-items: center;
}

.setting-color-grid {
    width: 45px;
    height: 45px;
    border-radius: 5px;
    cursor: pointer;
    appearance: none;
}

.setting-color-grid[value="0"] {
    background: linear-gradient(138deg, #FBA3A3, #C95758);
}

.setting-color-grid[value="1"] {
    background: linear-gradient(138deg, #DA4453, #89216B);
}

.setting-color-grid[value="2"] {
    background: linear-gradient(138deg, #f7b733, #fc4a1a);
}

.setting-color-grid[value="3"] {
    background: linear-gradient(138deg, #E29587, #D66D75);
}

.setting-color-grid[value="4"] {
    background: linear-gradient(138deg, #a8c0ff, #3f2b96);
}

.setting-color-grid[value="5"] {
    background: linear-gradient(138deg, #56CCF2, #2F80ED);
}

.setting-color-grid[value="6"] {
    background: linear-gradient(138deg, #F2C94C, #F2994A);
}

.setting-color-grid[value="7"] {
    background: linear-gradient(138deg, #B2FEFA, #0ED2F7);
}

.setting-color-grid[value="8"] {
    background: linear-gradient(138deg, #00c6ff, #0072ff);
}

.setting-color-grid[value="9"] {
    background: linear-gradient(138deg, #6dd5ed, #2193b0);
}

.setting-color-grid:checked {
    border: solid 3px #333;
}

.input_wrapper {
    width: 80px;
    height: 40px;
    position: relative;
    cursor: pointer;
    transform: scale(0.8);
}

.input_wrapper input[type="checkbox"] {
    width: 80px;
    height: 40px;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background: var(--color-deep);
    border-radius: 2px;
    position: relative;
    outline: 0;
    -webkit-transition: all .2s;
    transition: all .2s;
}

.input_wrapper input[type="checkbox"]:after {
    position: absolute;
    content: "";
    top: 3px;
    left: 3px;
    width: 34px;
    height: 34px;
    background: #fff;
    z-index: 2;
    border-radius: 2px;
    -webkit-transition: all .35s;
    transition: all .35s;
}

.input_wrapper svg {
    position: absolute;
    top: 44%;
    left: 65%;
    -webkit-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    fill: #fff;
    -webkit-transition: all .35s;
    transition: all .35s;
    z-index: 1;
}

.input_wrapper .is_checked {
    width: 18px;
    left: 18%;
    -webkit-transform: translateX(190%) translateY(-30%) scale(0);
    transform: translateX(190%) translateY(-30%) scale(0);
}

.input_wrapper .is_unchecked {
    width: 15px;
    right: 10%;
    -webkit-transform: translateX(0) translateY(-30%) scale(1);
    transform: translateX(0) translateY(-30%) scale(1);
}


/* Checked State */

.input_wrapper input[type="checkbox"]:checked {
    background: var(--color-light);
}

.input_wrapper input[type="checkbox"]:checked:after {
    left: calc(100% - 37px);
}

.input_wrapper input[type="checkbox"]:checked+.is_checked {
    -webkit-transform: translateX(0) translateY(-30%) scale(1);
    transform: translateX(0) translateY(-30%) scale(1);
}

.input_wrapper input[type="checkbox"]:checked~.is_unchecked {
    -webkit-transform: translateX(-190%) translateY(-30%) scale(0);
    transform: translateX(-190%) translateY(-30%) scale(0);
}

.setting-cell {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
}

.setting-cell span {
    line-height: 40px;
    font-size: 16px;
    color: #333;
}

.setting-cell .stepper-input {
    display: flex;
    /* Border */
    border: 1px solid var(--color-deep);
    border-radius: 0.5rem;
    /* Size */
    height: 1.25rem;
    width: 10vw;
}

.setting-cell .stepper-input__button {
    /* Reset */
    background: var(--color-light);
    color: var(--white);
    border: none;
    /* Center the content */
    align-items: center;
    display: flex;
    justify-content: center;
    /* Size */
    width: 1.2rem;
}

.setting-cell .stepper-input__content {
    flex: 1;
}

.setting-cell .stepper-input__input {
    /* Reset */
    border: none;
    /* Take full size of its container */
    height: 100%;
    width: 100%;
    text-align: center;
}

.setting-cell input[type="range"] {
    position: relative;
    width: 20vw;
    height: 2vh;
    appearance: none;
    -webkit-appearance: none;
    background: var(--color-light);
    color: var(--color-deep);
    scrollbar-track-color: var(--color-deep);
    border-radius: 10px;
    margin: .5vh 0.5vw;
}

[type="range"]::-webkit-slider-runnable-track {
    height: 1.2vh;
    cursor: pointer;
    box-shadow: none;
    background: var(--color-light);
    border-radius: 1.3vh;
}

[type="range"]::-webkit-slider-thumb {
    width: 1vw;
    height: 1.8vh;
    margin-top: -0.3vh;
    background: var(--color-deep);
    box-shadow: 0px 0px 0px 0px #000000;
    border: 0px solid #000000;
    border-radius: 1.3vh;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}


/* .menu div,
.content div,
.content form {
    background-color: var(--background);
} */

#more-and-less_btn {
    width: 94%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px 20px;
}

#more-and-less_btn>button {
    width: 48%;
}

#over_mask {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: block;
    opacity: 0.2;
    background-color: #000;
    cursor: pointer;
    pointer-events: none;
}

#close-board {
    left: 1vw;
    top: auto;
    right: auto;
    bottom: 1vh;
    position: absolute;
    z-index: 999;
}