ui/src/App.scss
@font-face {
  font-family: "Roboto Regular";
  src: url("./assets/fonts/roboto_regular.ttf");
  font-display: swap;
}

@font-face {
  font-family: "Roboto Bold";
  src: url("./assets/fonts/roboto_bold.ttf");
  font-display: swap;
}

@font-face {
  font-family: "Roboto Condensed Regular";
  src: url("./assets/fonts/roboto_condensed_regular.ttf");
  font-display: swap;
}

::-webkit-scrollbar {
  height: 5px;
  width: 5px;

  &-track {
    background: #333333;
    border-radius: 10px;
  }

  &-thumb {
    background: var(--accentColor);
    border-radius: 10px;
  }

  &-corner {
    background: none;
  }
}

input[type="range"] {
  -webkit-appearance: none;
  background: transparent;

  &:focus {
    outline: none;
  }

  &::-webkit-slider-thumb {
    height: 16px;
    width: 16px;
    -webkit-appearance: none;
    margin-top: -4px;
    border-radius: 10px;
    background: #eee;
    border: none;
    cursor: pointer;
  }

  &::-moz-range-thumb {
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 10px;
    background: #eee;
    cursor: pointer;
  }

  &::-webkit-slider-runnable-track {
    border-radius: 10px;
    width: 100%;
    height: 8.4px;
    cursor: pointer;
    background: var(--accentColor);
  }

  &::-moz-range-track {
    width: 100%;
    height: 8.4px;
    cursor: pointer;
    background: var(--accentColor);
    border-radius: 10px;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-weight: normal;
}

html,
body,
#root {
  height: 100%;
  width: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  background: var(--primaryColor);
  scrollbar-color: var(--accentColor) #333333;
  scrollbar-width: thin;
  scroll-behavior: smooth;
  font-family: "Roboto Regular", Arial;
  transition: background 100ms ease-in-out;
}

/*
    * == DEFAULTS ==
*/

a {
  text-decoration: none;
  color: var(--primaryTextColor);
  outline: none;
}

img {
  background: var(--secondaryColor);

  &:-moz-loading {
    visibility: hidden;
  }
}

svg {
  width: 1em;
  fill: #eee;
  overflow: unset;
}

/*
  used by layout skeletons, appears only if takes a while to load,
  else prevent flicker on load e.g. when loading in cached results
*/
.showAfter100ms {
  opacity: 0;
  animation: appear 0.3s ease-in-out forwards;
  animation-delay: 100ms;
}

.horizontal-err {
  animation: appear 0.4s ease-in-out;
  align-items: center;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px;
  font-family: "Roboto Condensed Regular", Arial;
  background: var(--accentColor);
  border-radius: 10px;
  padding: 3px 5px;
  color: var(--primaryTextColor);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;

  svg {
    animation: shake 0.5s ease-in-out;
    animation-delay: 0.5s;
    font-size: 0.8em;
  }
}

.vertical-err {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  animation: appear 0.4s ease-in-out;
  height: 100%;
  font-family: "Roboto Condensed Regular", Arial;
  text-align: center;

  svg {
    animation: shake 0.5s ease-in-out;
    margin-bottom: 15px;
    color: #f39c12;
    width: 1.5em !important;
    height: 1.5em !important;
    animation-delay: 0.5s;
  }

  p {
    color: #bfbfbf;
  }
}

button {
  outline: none;
  border: none;
  cursor: pointer;
}

input {
  font-family: "Roboto Regular", Arial;
}

.separator {
  margin: 0 auto;
  height: 2px;
  width: 100%;
  background: var(--quaternaryColor);
  border-radius: 2px;
}

.placeholder {
  animation: appear 0.5s ease-in-out;
  position: relative;
  height: 100%;
  background: var(--secondaryColor);
  border-radius: 10px;

  &-text {
    transition: width 0.3s ease-in-out;
    background: var(--secondaryColor);
    border-radius: 10px;
    height: 30px;
    width: 150px;
  }
}

.spinner {
  transform: translate(-50%, -50%);
  animation: appear 0.5s ease-in-out;
  position: absolute;
  top: 50%;
  left: 50%;
  height: 40px;
  width: 40px;
  max-height: 40px;
  max-width: 40px;

  &::after {
    animation: spinner 0.6s linear infinite;
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 50%;
    height: 100%;
    width: 100%;
    border: solid 2px #3a3a3a;
    background: rgba(0, 0, 0, 0.2);
    border-top-color: var(--primaryTextColor);
  }
}

.popupOverlay {
  animation: appear 0.3s ease-in-out;
  background: #000000aa;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

main {
  position: relative;
  margin-left: 150px;
  color: var(--primaryTextColor);
  transition: margin-left 300ms ease-in-out;

  &.full {
    margin-left: 0;
  }

  &.shrunk {
    margin-left: 150px;
  }
}

/*
    * === KEYFRAMES ===
*/

@keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-10%);
  }
  40% {
    transform: translateX(10%);
  }
  60% {
    transform: translateX(-10%);
  }
  80% {
    transform: translateX(10%);
  }
  100% {
    transform: translateX(0);
  }
}

/*
    * == MEDIA QUERIES
*/

@media only screen and (min-width: 1080px) {
  main {
    margin-left: 300px;

    &.shrunk {
      margin-left: 300px;
    }
  }
}
