@import "atom.scss";
@import "markdown.scss";
@import "syntax.scss";

:root {
  --pm: #0fa0ce;
  --bd: #e1e1e1;
  --bg: #fff;
  --ft: #222;
  --tag: #333;

  --w-mobile: 640px;
}

html.dark {
  --bg: #262d33;
  --ft: #c5c4c4;
  --bd: #555;
  --tag: #999;

  --ovo-ft: var(--ft);
  --ovo-bdr: var(--bd);
  --ovo-bg: var(--bg);
  --ovo-bg-hvr: #555;
  --ovo-tag: #30363d;
}

body {
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  max-width: var(--w-mobile);
  margin: 3rem auto 0;
  font-size: 16px;
  font-weight: 400;
  color: var(--ft);
  background-color: var(--bg);
  transition-property: background-color, border-color, color;
  transition-duration: 0.5s;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Noto Serif SC", 'Times New Roman', Times, sans-serif;
  font-weight: 700;
}

p {
  line-height: 1.8;
  text-align: justify;
}

hr {
  border-width: 0;
  border-top: 1px solid var(--bd);
}

pre,
code {
  font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
  font-size: 13px;
}

p code {
  background-color: var(--bd);
  padding: 0.2em 0.4em;
  border-radius: 1px;
}

a {
  text-decoration: none;
}

a:not(.icon) {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--pm);
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0) 50%, var(--pm) 50%);
  background-size: 100% 200%;
  transition: background-position 0.2s ease-in-out;
}

a:not(.icon):hover,
a:not(.icon):focus {
  background-position: 0 100%;
  color: #fff;
}

a.icon:hover {
  transform: translateY(-5px);
  transition: transform 0.3s ease-in-out;
}

main {
  animation: showup 0.7s;
}

header nav {
  color: var(--tag);
}

details.toc ul {
  list-style-type: none;
  padding-inline-start: 1em;
  margin: 0;
}

details.toc ul > li {
  margin: 1em 0;
}

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.7);
}
::-webkit-scrollbar-thumb:window-inactive {
  background: rgba(128, 128, 128, 0.2);
}

::-webkit-scrollbar-thumb:active {
  background-color: rgb(128, 128, 128);
}

h1::-webkit-scrollbar,
nav::-webkit-scrollbar {
  display: none;
  width: 0;
}

@keyframes showup {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}