@font-face {
  font-family: 'Noto Sans Mono';
  src: local('Noto Sans Mono'),
    url('/static/NotoSansMono-Regular.ttf') format('truetype');
  font-weight: normal;
}
@font-face {
  font-family: 'Noto Sans Mono';
  src: local('Noto Sans Mono'),
    url('/static/NotoSansMono-Bold.ttf') format('truetype');
  font-weight: bold;
}
body, article a, code:not(.hl code) { font-family: "Noto Sans Mono", "Courier New", "Consolas", monospace; }
article { font-family: "Noto Sans", "Verdana", sans-serif; }
body {
  margin: 0;
  line-height: 1.5;
  background-color: var(--bg);
  overflow-x: hidden;
  color: var(--fg);
  font-size: 16px;
}
h1 { font-size: 20px; }
h2 { font-size: 18px; }
ul { padding-left: 15px; }
h1::before, h2::before, h3::before {
  display: block;
  content: "";
  margin-top: -50px;
  height: 50px;
  visibility: hidden;
  pointer-events: none;
}
blockquote {
  border-left: 1px solid var(--fg);
  padding: 0 20px;
  font-style: italic;
  margin: 20px;
}
input, textarea {
  background-color: var(--bg);
  color: var(--fg);
  border: 1px solid var(--fg);
  margin: 5px;
}
table, th, td {
  border: 1px dashed var(--fg);
  border-collapse: collapse;
  padding: 3px;
}
tr:nth-child(odd) td {
  background-color: var(--bg);
}

a, .a, .fa span, #vol span {
  text-decoration: none;
  cursor: pointer;
  color: var(--fg);
}
.noa a { text-decoration: underline; }
a::before, .a::before { content: "[\00A0"; }
a::after, .a::after { content: "\00A0]"; }
a:hover, .a:hover, .fa:hover span, #vol:hover span {
  color: var(--fg2);
  text-decoration: underline;
}

.usn { user-select: none; }
.dn { display: none; }
.f { flex: 1 }
.fg { flex-grow: 1; }
.container {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
  max-width: var(--width);
}
@media (max-width: 450px) {
  #content .container {
    flex-flow: column;
  }
}
.panel {
  margin: 10px;
  padding: 15px;
  border: 1px dashed var(--fg3);
  background-color: var(--bg2);
  min-width: 130px;
  overflow: hidden;
}
.m { width: max-content; }
.c {
  text-align: center;
  width: min-content;
  margin: 10vh auto;
}
.c2 { justify-content: center; }
header {
  position: sticky;
  top: 0;
  left: 0;
  width: calc(100vw - 20px);
  padding: 10px 10px 0;
  background-color: var(--bg);
}
header .container {
  min-height: 30px;
  border-bottom: 1px dashed var(--fg3);
}
hr {
  border: none;
  border-top: 1px dashed var(--fg3);
}
.popup {
  position: fixed;
  right: 5%;
  bottom: -80px;
  height: 30px;
  overflow: hidden;
  border: 1px dashed var(--fg3);
  background-color: var(--bg2);
  padding: 20px;
  animation: popup 3s alternate 2 ease-in-out;
}
@keyframes popup {
  0% { bottom: -80px; }
  20%, 100% { bottom: -5px; }
}

#l, #r {
  padding: 10px;
  position: fixed;
  top: 0;
  z-index: 1;
}
#l { left: 0; }
#r { right: 0; }
#l2, #r2 { display: none; }
body {
  --width: 800px;
  @media (max-width: 1000px) {
    #l, #r { display: none; }
    #l2, #r2 { display: initial; }
  }
}
body:has(article) {
  --width: 1000px;
  @media (max-width: 1200px) {
    #l, #r { display: none; }
    #l2, #r2 { display: initial; }
  }
}
nav {
  position: fixed;
  transition: left 0.5s;
  left: -300px;
}
#settings {
  position: fixed;
  transition: right 0.5s;
  right: -300px;
}
#hamburger:checked ~ nav { left: 0; }
#gear:checked ~ #settings { right: 0; }
nav a {
  width: min-content;
  display: none;
}
#hamburger:checked ~ nav a { display: block; }
nav p {
  margin: 0;
  user-select: none;
  display: block;
}
#hamburger:checked ~ nav p { display: none; }

#ldark { display: var(--ldark); }
#llight { display: var(--llight); }
#llight span, #ldark span { vertical-align: top; }
.fa {
  white-space: nowrap;
  display: inline-block;
}
.fa span {
  /*line-height: 1;*/
  display: inline-block;
  text-align: center;
  width: 28px;
  height: 22px;
}
.fa .usn { width: 10px; }
#vol { display: inline-block; }
#vol span:hover ~ span {
  color: var(--fg);
  text-decoration: none;
  font-weight: normal;
}

.hl {
  overflow-x: scroll;
  border: 1px solid hsl(from var(--fg2) h s l / 0.5);
  margin: 15px 0;
}
a:has(code)::before, a:has(code)::after, p a::before, p a::after, .noa a::before, .noa a::after {
  content: ""
}
.hl pre {
  color: inherit;
  margin: 5px;
}
p code { white-space: nowrap; }
a code, p a { text-decoration: underline; }
code:not(.hl code) {
  margin: 2px;
  background-color: var(--bg);
  padding: 0 5px;
  border-radius: 3px;
}