mobile-config-firefox/html_resources/main.css

:root{
  background-color: rgb(60,50,70);
  color: silver;
}
body{
  margin: 0px
}

#site{
  margin-left: 22ch;
  display: flex;
  flex-direction: column;
}

.categoryList{
  padding-block: 1em;
  box-sizing: border-box;
  border-inline-end: 1px solid gold;
  background-color: rgb(60,60,70);
  height: 100vh;
  overflow-y: auto;
  min-width: 22ch;
  position: fixed;
  z-index: 1;
}

.categoryList.blurred{
  background-color: rgb(20,20,30);
  opacity: 0.5;
}
.categoryList.blurred ~ #site{
  margin-left: 31ch
}
#secondaryCategories{
  z-index:2;
  left: 8ch;
}

.categoryList:hover{
  z-index: 3;
  background-color: rgb(60,60,70);
  opacity: 1;
  box-shadow: 0 0 26px 0 black;
}

a{ color: rgb(100,150,200); margin-inline-end: 0.4ch }
pre a{ margin: 0 }
a:visited{ color: rgb(150,100,200) }
a:hover{ color: rgb(200,150,100) }
pre:empty{ display: none }
.category{ padding: 0.2em 1em; cursor: pointer; text-transform: capitalize }
#categories > .category[data-value]::after{ content: " (" attr(data-value) ")"; float: right}

.currentCategory,
.category:hover{ background-color: grey }

.currentCategory::before{ content: "» " }

.target{
  margin: 0.1em;
  background-color: rgb(60,60,70);
  padding: 0.3em;
  border: 1px solid rgb(40,40,40);
  border-radius: 4px;
  max-width: calc(100% / var(--grid-columns,1) - 20px);
  cursor: pointer;
  white-space:nowrap;
  display: flex;
}
.target > a{
  display: inline-block;
  width: 1em;
  height: 1em;
  background-image: url("ext.svg");
  background-repeat: no-repeat;
  background-size: contain;
  flex-shrink: 0;
}

.target > span{
  overflow: hidden;
  pointer-events: none;
}
.target:hover{ background-color: rgb(80,80,90) }
.target.selected{ background-color: rgb(80,80,120) }
.target > a:hover{ filter: drop-shadow(0 0 3px fuchsia) }

#targets{
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  max-height: calc(var(--grid-rows) * 2.4rem);
  align-content: start;
  margin-bottom: 0.2em;
}

.banner{
  padding: 0.5em 1em;
  margin-bottom: 0.2em;
  border-bottom: 1px solid black;
  border-left: 1px solid black;
  background: rgb(40,37,43);
  width: max-content;
  align-self: flex-end;
  order: -1;
}

kbd{
  border-radius: 3px;
  padding: 2px 3px 1px;
  border: 1px solid rgb(40,40,40);
  box-shadow: inset 0 0 2px currentColor;
}

.banner > .keyinfo,
#targets[style] + .banner > .placeholder{
  display: none;
}

#targets[style] + .banner > .keyinfo{
  display: block;
}
.hint{
  text-align: end
}
.hint::before{
  content: "Hint: ";
  font-style: italic;
}

pre{
  white-space: pre-wrap;
  margin: 1em;
  border: 2px inset;
  padding: 0 0 0 2em;
  background-color: rgb(30,30,40);
}

pre > div{
  background-color: rgb(40,37,43);
  padding: 1em 0.5em;
  border-inline-start: 1px solid rgb(90,90,90)
}

.categoryList:not(.blurred)+.categoryList,
.hidden{ display: none !important }

@keyframes showDelayed{ from{ visibility: hidden } to{ visibility: visibile }}

@keyframes loadingBar{ from{ background-size: 0% } to{ background-size: 100% } }
#placeholder{
  margin: 2em;
  border: 2px solid darkslateblue;
  border-radius: 3px;
  background-image: linear-gradient(90deg,slateblue,purple);
  background-repeat: no-repeat;
  background-position: left;
  animation: loadingBar 1500ms linear
}
.placeholder-text{ animation: showDelayed 2s steps(1) }

/* Dirty hack for mobile but at least it's something */
@media screen and (max-width: 700px ){
  #secondaryCategories{
    display: none;
  }
  .categoryList{
    opacity: 0.6;
  }
  #ui.no-content > #categories{
    opacity: 1;
  }
  #site{
    background-color: rgb(60,50,70);
    min-height: 100vh;
    border-inline-start: 1px solid gold;
    box-shadow: 0 0 26px 0 black;
  }
  #ui > #site{
    margin-left: 7ch;
    position: relative;
    z-index: 2;
  }
  #ui.no-content > #site{
    z-index: -1;
  }
  .banner{
    display: none;
  }
  #ui.no-content > #site > .banner{
    display: block;
  }
}