/* ----

# KStart
# By: Dreamer-Paul
# Last Update: 2022.5.27

一个简洁轻巧的起始页

本代码为奇趣保罗原创，并遵守 MIT 开源协议。欢迎访问我的博客：https://paugram.com

---- */

:root{
    color: #555;

    --green: #158e23;
    --primary: var(--green);

    --shadow: 0 0 5em rgba(0, 0, 0, .1);
    --shadow-thin: 0 0 1em rgba(0, 0, 0, .3);
    --shadow-thick: 0 0 5em rgba(0, 0, 0, .2);

    --input-bg: #fff;
    --search-bg: #fff;
    --secondly-input-bg: rgba(0, 0, 0, .05);

    /* 和背景主体反过来的字体颜色 */
    --font-color: #333;
    --font-shadow: 0 0 5px #fff, 0 2px 5px #fff;
}

@media screen and (prefers-color-scheme: dark){
    :root{
        color: #ccc;
        background-color: #222;

        --gray: #555;
        --shadow: 0 0 5em rgba(255, 255, 255, .1);
        --shadow-thin: 0 0 1em rgba(255, 255, 255, .3);
        --shadow-thick: 0 0 5em rgba(255, 255, 255, .2);

        --input-bg: #222;
        --search-bg: rgba(255, 255, 255, .2);
        --secondly-input-bg: rgba(255, 255, 255, .2);

        --font-color: #eee;
        --font-shadow: 0 0 5px #000, 0 2px 5px #000;
    }

    blockquote{
        background-color: var(--secondly-input-bg);
    }
}

html, body{
    height: 100%;
}

body{
    display: flex;
    flex-direction: column;
}
body.dark{
    color: #fff;

    --font-shadow: 0 0 5px #000, 0 2px 5px #000;
}

.iconfont{
    font: inherit;
}

h3{
    font-weight: lighter;
}

article h3{ margin-top: 2em }
article h3:first-child{ margin-top: 0 }

article img{ border-radius: 1em }

.btn{
    transition: opacity .3s, box-shadow .3s;
}
.btn:active{
    opacity: .9;
}

.btn.primary{
    color: #fff;
    background-color: var(--primary);
}

.btn-group{
    gap: .5em;
    display: flex;
    flex-wrap: wrap;
}

header{
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
    display: flex;
    padding: 1em 0;
    position: fixed;
    justify-content: flex-end;
}

header .action-btn{
    padding: 0 1em;
    cursor: pointer;
}
header .action-btn .fa{
    font-size: 1.5em;
    transition: transform .3s;
    text-shadow: var(--font-shadow);
}
header .action-btn:hover .fa{
    transform: scale(1.2);
}

header .action-btn.updated.active .fa{
    animation: shiny .5s alternate infinite;
}

@keyframes shiny {
    from { opacity: 0 }
    to { opacity: 1 }
}

main{
    width: 100%;
    margin: auto;
    padding: 5em 1.75em;
    max-width: 60em;
}

.input-box{
    display: flex;
    color: var(--font-color);
    position: relative;
    padding: .5em 1em;
    border-radius: 3em;
    background-color: #fff;
    background-color: var(--search-bg);
    box-shadow: 0 0 5px 0 rgba(0, 0, 0, .2);
    box-shadow: var(--shadow);
    transition: box-shadow .3s;
}
.input-box:hover{
    box-shadow: var(--shadow-thick);
}

@media screen and (prefers-color-scheme: dark){
    .input-box input::-webkit-input-placeholder{
        color: inherit;
    }

    .input-box input:-ms-input-placeholder{
        color: inherit;
    }

    .input-box input::placeholder{
        color: inherit;
    }

    .navi-icon{
        filter: brightness(.7);
    }
}

.input-box input{
    flex: 1 1 auto;
    max-width: 100%;
    border-radius: 0;
    border: none;
    margin: 0 1em;
    background-color: transparent;
}

.navi-items{
    display: grid;
    grid-gap: 2em;
    text-align: center;
    grid-template-columns: repeat(auto-fill, minmax(5em, 1fr));
}

@media screen and (max-width: 768px){
    .navi-items{
        grid-gap: 2em 1.5em;
        grid-template-columns: repeat(auto-fill, minmax(4em, 1fr));
    }
}

.navi-items .item{
    z-index: 1;
    color: inherit;
    display: block;
}

.navi-search{
    margin-bottom: 5em;
}

.search-select{
    cursor: pointer;
}

.search-select .iconfont{
    font-size: 1.5em;
    line-height: 2.5rem;
    pointer-events: none;
}

.search-selector{
    top: 3em;
    z-index: 2;
    opacity: 0;
    padding: .75em 0;
    overflow: hidden;
    visibility: hidden;
    position: absolute;
    background-color: #fff;
    background-color: var(--input-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: scale(1, 0);
    transform-origin: top center;
    transition: opacity .3s, transform .3s, visibility .3s;
}

.search-selector.active{
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.search-selector .iconfont{
    opacity: .5;
    margin-right: .75em;
}

.search-selector .item{
    cursor: pointer;
    padding: .5em 1em;
    transition: color .3s, background-color .3s;
}
.search-selector .item:hover{
    color: #fff;
    background-color: #3498db;
    background-color: var(--primary);
}

.navi-icon{
    color: #fff;
    background-color: #666;

    width: 5rem;
    height: 5rem;
    font-size: 1.75em;
    line-height: 5rem;

    margin: auto;
    overflow: hidden;
    border-radius: 2em;
    transition: box-shadow .3s;
}

.navi-icon i{
    display: inline-block;
    transition: transform .3s;
}
.navi-icon:hover i{
    transform: scale(1.3);
}

.navi-icon img{ vertical-align: top }

.navi-title{
    text-shadow: var(--font-shadow);
    padding: 0 .5em;
    font-size: .875em;
    margin-top: .75em;
}

@media screen and (max-width: 768px){
    .navi-icon{
        width: 3.75rem;
        height: 3.75rem;
        font-size: 1.3em;
        line-height: 3.75rem;
    }
}

.navi-background{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    z-index: -1;
    position: fixed;
    transition: opacity .5s;
}
.navi-background.active{
    opacity: 1;
}

@media screen and (prefers-color-scheme: dark){
    /* 随机动漫壁纸需要滤镜隐藏 */
    .navi-background.type-1{
        mix-blend-mode: multiply;
    }
    /* 必应壁纸需要低透明度 */
    .navi-background.type-2.active{
        opacity: .2;
    }
}

footer{
    left: 0;
    right: 0;
    bottom: 0;
    text-shadow: var(--font-shadow);
    padding: 1em 0;
    position: fixed;
    font-size: .875em;
    text-align: center;
}

footer a{
    color: inherit;
}

@media screen and (max-width: 600px){
    footer{
        position: static;
    }
}

window{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    z-index: 1;
    display: flex;
    position: fixed;
    padding: 2em 1em;
    pointer-events: none;
    color: var(--font-color);
    background: rgba(0, 0, 0, .3);
    transition: opacity .3s;
    backdrop-filter: blur(5px);
    --webkit-backdrop-filter: blur(5px);
}

@media screen and (prefers-color-scheme: dark){
    window{
        background: rgba(255, 255, 255, .1);
    }
}

window.active{
    opacity: 1;
    pointer-events: auto;
}

.the-window{
    margin: auto;
    display: none;
    min-width: 15em;
    max-width: 40em;
    background: #fff;
    background: var(--input-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-thick);
}
.the-window.active{
    display: block;
    animation: fade-small-large .3s forwards;
}
.the-window.closed{
    animation: fade-large-small .3s forwards;
}

.the-window.updated{ width: 100% }

.the-window.updated details{
    margin-top: 3em;
}
.the-window.updated details:first-child{
    margin-top: 0;
}

.the-window.updated summary{
    font-size: 1.2em;
    font-weight: lighter;
}

.the-window.updated details[open] summary{
    margin-bottom: 1em;
}

.the-window .window-head, .the-drawer .drawer-head{
    padding: 1em 1.5em;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
}
.the-window .window-head button, .the-drawer .drawer-head button{
    top: 1rem;
    right: 1rem;
    position: absolute;

    border: none;
    color: #fff;
    padding: 0;
    width: 1.5em;
    cursor: pointer;
    font-size: 1.17em;
    border-radius: 1em;
    background: rgb(255, 86, 86);
}

.the-window .window-body, .the-drawer .drawer-body{
    padding: 1.25em;
    overflow: auto;
    max-height: 80vh;
}
.the-window .window-body::-webkit-scrollbar,
.the-drawer .drawer-body::-webkit-scrollbar{
    width: 6px;
}

.the-drawer{
    top: 0;
    right: 0;
    bottom: 0;
    position: fixed;

    display: flex;
    flex-direction: column;

    width: 100%;
    max-width: 25em;
    transform: translateX(100%);
    transition: transform .3s;
    background: var(--input-bg);
    box-shadow: var(--shadow-thick);
}

.the-drawer.active{
    transform: translateX(0);
}
.the-drawer.closed{
    transform: translateX(100%);
}

.the-drawer .drawer-body{
    max-height: none;
}

.the-drawer.sites .sites{
    gap: .5em;
    display: grid;
    user-select: none;
    margin-bottom: 3em;
    grid-template-columns: repeat(auto-fill, minmax(7em, 1fr));
}

.the-drawer.sites .sites span{
    padding: .75em;
    cursor: pointer;
    border-radius: var(--radius);
    background-color: rgba(0, 0, 0, .05);
    background-color: var(--secondly-input-bg);
    transition: transform .3s;
}
.the-drawer.sites .sites span:active{
    transform: scale(.9);
}

.the-drawer.sites .sites span.active{
    color: #fff;
    background-color: var(--primary);
}

.the-drawer.sites .add-sites{
    opacity: .6;
    font-size: .875em;
    text-align: center;
}