@font-face {
  font-family: icon;
  src: url(/res/icon.woff2);
}
@font-face {
  font-family: code;
  src: url(/res/code.woff);
}
ico {
  font-family: icon;
  margin-right: 5px;
  user-select: none;
  -webkit-user-select: none;
}
body {
  --theme1: #bee;
  --theme1ex: #cff;
  --font1: #465;
  --font2: #313;
  --link: #38f;
  --linkex: #5dd;
  --fontcode: code, "Cascadia Mono", Consolas, monospace;
  margin: 0;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  background-color: var(--theme1);
  background-position: center;
  background-size: cover;
  font-family: "PingFangSC-Regular", "Microsoft Yahei UI", sans-serif;
  transition: opacity 0.2s;
}
::selection {
  background-color: var(--font1);
  color: #fff;
}
input {
  padding: 0;
  outline: none;
  border: none;
  background: none;
}
a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.2s;
}
a:hover {
  opacity: 0.5;
}

@keyframes fadein {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

body > header {
  height: 60px;
  padding-left: 30px;
  display: flex;
}
body > header > span {
  margin-top: 20px;
  color: var(--font1);
  border-radius: 5px 5px 0 0;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  transition: opacity 0.2s;
  font-size: 20px;
  line-height: 40px;
  width: 90px;
  text-align: center;
}
body > header > span:hover {
  opacity: 0.5;
}
body > header > span.active {
  background-color: var(--theme1ex);
  box-shadow: 0 2px 3px #888;
  color: var(--font2);
}
body > header > span.active:hover {
  opacity: 1;
  cursor: default;
}

@keyframes rotating {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
#loading {
  position: fixed;
  top: 20px;
  left: 5px;
  color: var(--font1);
}
#loading > ico {
  font-size: 20px;
  line-height: 40px;
  position: absolute;
  animation: rotating 1s linear infinite;
}
#loading > span {
  position: absolute;
  font-size: 12px;
  line-height: 40px;
  width: 20px;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  font-family: var(--fontcode);
}

main {
  height: calc(100vh - 70px);
  margin: 0 10px;
  border-radius: 20px;
  background-color: var(--theme1ex);
  box-shadow: #888 0 3px 3px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
main > div {
  animation: fadein 0.5s;
}

@keyframes tip-fadein {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(0);
  }
}
#tip {
  z-index: 100;
  width: 360px;
  position: fixed;
  right: 0;
  bottom: 20px;
}
#tip > div {
  background-color: #fff;
  box-shadow: 0 3px 3px #888;
  margin-bottom: 15px;
  border-radius: 15px 0 0 15px;
  padding: 10px;
  animation: tip-fadein 0.5s;
  transition: transform 0.5s;
}
#tip > div > h3 {
  margin: 0;
  padding: 5px;
  font-weight: normal;
  white-space: nowrap;
  color: var(--font1);
}
#tip > div > p {
  margin: 0;
  padding: 10px 15px;
  overflow: hidden auto;
  max-height: 100px;
  color: var(--font2);
  word-break: break-all;
  white-space: pre-wrap;
}
#tip > div > div {
  display: flex;
  padding: 5px;
}
#tip > div > div > span {
  line-height: 34px;
  color: #888;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  transition: opacity 0.2s;
  padding: 0 15px;
}
#tip > div > div > span:first-child {
  z-index: 102;
  background-color: var(--linkex);
  box-shadow: 0 1px 3px var(--linkex);
  color: #fff;
  border-radius: 10px;
  position: relative;
}
#tip > div > div > span:hover {
  opacity: 0.5;
}


#menu > div {
  z-index: 10;
  position: fixed;
  background-color: #eee8;
  backdrop-filter: blur(2px);
  box-shadow: 0 2px 2px #888;
  border-radius: 5px;
  overflow: hidden;
  padding: 5px 0;
}
#menu > div > p {
  margin: 0;
  padding: 3px 10px;
  color: var(--font1);
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  font-size: 15px;
  text-align: left;
  background-color: #fff0;
  transition: background-color 0.2s;
}
#menu > div > p:hover {
  background-color: #fffa;
}
#menu > div > hr {
  border: none;
  border-bottom: 1px solid #888;
  margin: 3px 0;
}