main.css

/* ----

# KStart
# By: Dreamer-Paul
# Last Update: 2024.7.29

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: #000;

    --gray: #555;
    --lighter-gray: #333;
    --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);
  }
}

[hidden]{
  display: none !important;
}

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;
}

/*
  页眉
*/
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 }
}

/*
  内容
*/
main{
  opacity: 0;
  width: 100%;
  margin: auto;
  padding: 5em 1.75em;
  max-width: 60em;
  transition: opacity .3s;
}
main.layout-default {
  opacity: 1;
}
main.layout-simple {
  opacity: 1;
  max-width: 40em;
  margin-top: 10em;
}
main.layout-simple .navi-items {
  display: none;
}

.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;
  }
}

/*
  页尾
*/
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;
  }
}

/*
  弹窗和抽屉
*/
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;
}

body:not(.low-animate) window{
  backdrop-filter: blur(5px);
  --webkit-backdrop-filter: blur(5px);
}

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;
}

.the-window.started{
  animation: fade-small-large .3s forwards;
}

.the-window.closed{
  animation: fade-large-small .3s forwards;
}

/* 减淡动画 */
body.low-animate .the-window.started{
  animation-name: fade-in;
}
body.low-animate .the-window.closed{
  animation-name: fade-out;
}

.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{
  user-select: none;
  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;
}

/* 自选本地图片 */
.custom-background-preview {
  height: 8em;
  cursor: copy;
  display: flex;
  margin-top: 1em;
  overflow: hidden;
  text-align: center;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, .05) center/cover no-repeat;
  border: var(--border-width) var(--gray) solid;
}
.custom-background-preview::before {
  width: 100%;
  opacity: 0;
  display: block;
  font-size: 1.2em;
  line-height: 8rem;
  content: attr(aria-label);
  background-color: var(--input-bg);
  transition: opacity .3s;
}
.custom-background-preview:not([style])::before, .custom-background-preview:hover::before {
  opacity: .6;
}

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

  display: flex;
  flex-direction: column;

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

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

/* 减淡动画 */
body.low-animate .the-drawer{
  opacity: 0;
  transform: none;
  visibility: hidden;
}
body.low-animate .the-drawer.active{
  opacity: 1;
  visibility: visible;
}

.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;
}