/* Шрифты лежат на сервере, внешних запросов нет. */
@font-face { font-family: "Piazzolla"; font-weight: 400; font-style: normal; font-display: swap;
  src: url(/assets/fonts/piazzolla-cyrillic-400-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Piazzolla"; font-weight: 400; font-style: normal; font-display: swap;
  src: url(/assets/fonts/piazzolla-latin-400-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }
@font-face { font-family: "Piazzolla"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(/assets/fonts/piazzolla-cyrillic-400-italic.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Piazzolla"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(/assets/fonts/piazzolla-latin-400-italic.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }
@font-face { font-family: "Piazzolla"; font-weight: 700; font-style: normal; font-display: swap;
  src: url(/assets/fonts/piazzolla-cyrillic-700-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Piazzolla"; font-weight: 700; font-style: normal; font-display: swap;
  src: url(/assets/fonts/piazzolla-latin-700-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }
@font-face { font-family: "Sofia Sans Condensed"; font-weight: 500; font-style: normal; font-display: swap;
  src: url(/assets/fonts/sofia-sans-condensed-cyrillic-500-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Sofia Sans Condensed"; font-weight: 500; font-style: normal; font-display: swap;
  src: url(/assets/fonts/sofia-sans-condensed-latin-500-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }
@font-face { font-family: "Sofia Sans Condensed"; font-weight: 700; font-style: normal; font-display: swap;
  src: url(/assets/fonts/sofia-sans-condensed-cyrillic-700-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Sofia Sans Condensed"; font-weight: 700; font-style: normal; font-display: swap;
  src: url(/assets/fonts/sofia-sans-condensed-latin-700-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-style: normal; font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-cyrillic-400-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-style: normal; font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F, U+2122, U+2212; }

:root {
  color-scheme: light dark;

  /* Корпус коробки: эмаль цвета петроля. На тёмной теме не меняется. */
  --chassis: #0f3d47;
  --chassis-edge: #1f5a67;
  --tray: #0b2f37;
  --tray-hover: #0e3843;
  --slot: #061e24;
  --on-chassis: #eef5f3;
  --on-chassis-soft: #b4cdce;

  /* Лента этикет-принтера. */
  --tape-ink: #10181a;
  --yellow: #ffd21f;
  --green: #74dca0;
  --blue: #62c2f2;
  --pink: #ffa6ca;
  --white: #f7f7f1;
  --led: #3ee58c;

  /* Страница для чтения. */
  --paper: #f2f6f5;
  --ink: #14323b;
  --ink-soft: #47626a;
  --rule: #c5d3d3;
  --link: #0a6780;
  --tint: #e0e9e8;

  --serif: "Piazzolla", Georgia, "Times New Roman", serif;
  --label: "Sofia Sans Condensed", "Arial Narrow", Arial, sans-serif;
  --mono: "JetBrains Mono", "DejaVu Sans Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0c262d;
    --ink: #deeae8;
    --ink-soft: #9fb8ba;
    --rule: #254a54;
    --link: #7ccce2;
    --tint: #123540;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.125rem/1.62 var(--serif);
  word-spacing: .07em;
  overflow-wrap: break-word;
}

a { color: var(--link); text-underline-offset: .16em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.panel :focus-visible, .foot :focus-visible { outline-color: var(--yellow); }

.wrap {
  width: 100%;
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2;
  padding: .4rem .8rem;
  background: var(--yellow);
  color: var(--tape-ink);
  font-family: var(--label);
}
.skip:focus { top: .5rem; }

/* Лента. Каждая строка переноса выглядит отдельной полоской. */
.tape {
  --tape: var(--white);
  background: var(--tape);
  color: var(--tape-ink);
  font-family: var(--label);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .012em;
  padding: .1em .5em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  box-shadow: 0 1px 1px rgb(0 0 0 / .35);
  text-decoration: none;
}
.tape--yellow { --tape: var(--yellow); }
.tape--green { --tape: var(--green); }
.tape--blue { --tape: var(--blue); }
.tape--pink { --tape: var(--pink); }
.tape--white { --tape: var(--white); }

/* Передняя панель. */
.panel {
  background: var(--chassis);
  color: var(--on-chassis);
  padding-block: 1.25rem 2.5rem;
  border-bottom: 3px solid var(--slot);
}

.panel__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 2rem;
}

.brand {
  display: inline-block;
  transform: rotate(-1.4deg);
  background: var(--yellow);
  color: var(--tape-ink);
  font: 700 1.5rem/1 var(--label);
  letter-spacing: .02em;
  padding: .35em .6em .3em;
  text-decoration: none;
  box-shadow: 0 1px 2px rgb(0 0 0 / .45);
}

.panel nav { display: flex; flex-wrap: wrap; gap: .25rem 1.4rem; }
.panel nav a {
  color: var(--on-chassis);
  font: 500 1.15rem/1.6 var(--label);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.panel nav a:hover, .panel nav a[aria-current] { border-bottom-color: var(--yellow); }

.hero { padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(1.75rem, 4vw, 3rem); }
.hero h1 {
  margin: 0;
  max-width: 13em;
  font: 700 clamp(2.4rem, 7.2vw, 4.6rem)/1.05 var(--serif);
  letter-spacing: -.012em;
  word-spacing: normal;
  text-wrap: balance;
}
.hero p {
  margin: 1.1rem 0 0;
  max-width: 38rem;
  font-size: 1.22rem;
  line-height: 1.5;
  color: var(--on-chassis-soft);
}
.hero--small { padding-block: clamp(1.75rem, 5vw, 3rem) .25rem; }
.hero--small h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); }
.hero--post { padding-block-end: .25rem; }
.hero--post h1 { max-width: 16em; font-size: clamp(2.1rem, 5.6vw, 3.6rem); line-height: 1.08; }

/* Лотки с дисками: каждая статья занимает свой отсек. */
.trays {
  list-style: none;
  margin: 0;
  padding: 3px;
  background: var(--slot);
  border-radius: 4px;
  display: grid;
  gap: 3px;
}

.tray__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1.1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  background: var(--tray);
  border-top: 1px solid var(--chassis-edge);
  border-radius: 2px;
  color: var(--on-chassis);
  text-decoration: none;
}
.tray__link:hover { background: var(--tray-hover); }

.tray__title {
  display: block;
  font-size: 1.4rem;
  line-height: 1.55;
  transition: transform .14s ease-out;
}
.tray__link:hover .tray__title { transform: translateX(.4rem); }

.tray__short {
  display: block;
  margin-top: .3rem;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--on-chassis-soft);
}

.tray__side {
  display: grid;
  justify-items: end;
  gap: .5rem;
  font: 500 1rem/1.2 var(--label);
  color: var(--on-chassis-soft);
  white-space: nowrap;
}

.vent {
  display: block;
  width: 5.5rem;
  height: 1.5rem;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--slot) 0 3px, transparent 3px 7px);
}

.led {
  width: .62rem;
  height: .62rem;
  border-radius: 50%;
  background: var(--led);
  box-shadow: 0 0 .5rem rgb(62 229 140 / .75);
}

/* Диски раскручиваются по очереди, как при запуске сервера. */
@keyframes spinup {
  0%, 62% { background: #173f45; box-shadow: none; }
  68% { background: var(--led); box-shadow: 0 0 .5rem rgb(62 229 140 / .75); }
  76% { background: #173f45; box-shadow: none; }
  100% { background: var(--led); box-shadow: 0 0 .5rem rgb(62 229 140 / .75); }
}
.led { animation: spinup .9s linear both; }
.tray:nth-child(2) .led { animation-delay: .22s; }
.tray:nth-child(3) .led { animation-delay: .44s; }
.tray:nth-child(4) .led { animation-delay: .66s; }
.tray:nth-child(5) .led { animation-delay: .88s; }
.tray:nth-child(n + 6) .led { animation-delay: 1.1s; }

.panel__more { margin: 1rem 0 0; font: 500 1.15rem/1.4 var(--label); }
.panel__more a { color: var(--on-chassis); }

/* Главная ниже панели. */
.home {
  display: grid;
  grid-template-columns: minmax(0, 40rem) minmax(0, 18rem);
  justify-content: space-between;
  gap: 2rem 3rem;
  padding-block: 2.5rem 3.5rem;
}

.legend h2 {
  margin: .35rem 0 .9rem;
  font: 700 1.3rem/1.25 var(--serif);
}
.legend ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.legend li { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.legend .tape { font-size: 1.15rem; }
.legend span:last-child { font: 500 1.1rem/1 var(--label); color: var(--ink-soft); }

/* Список статей по темам. */
.group { padding-block: 2.25rem 0; scroll-margin-top: 1rem; }
.group:last-child { padding-block-end: 3.5rem; }
.group h2 { margin: 0 0 .9rem; font-size: 1.35rem; line-height: 1.5; }

/* Статья. */
.article {
  display: grid;
  grid-template-columns: minmax(0, 40rem) minmax(0, 15rem);
  grid-template-areas: "text meta";
  justify-content: space-between;
  gap: 1.5rem 3rem;
  padding-block: 2.25rem 3.5rem;
}
.article .prose { grid-area: text; }
.meta {
  grid-area: meta;
  align-self: start;
  position: sticky;
  top: 1.5rem;
  font: 500 1.1rem/1.4 var(--label);
  color: var(--ink-soft);
}
.meta .tape { font-size: 1.15rem; display: inline-block; }
.meta p { margin: .85rem 0 0; }
.meta h2 { margin: 1.5rem 0 .3rem; font: 700 1.1rem/1.3 var(--label); color: var(--ink); }
.meta ul { list-style: none; margin: 0; padding: 0; }

.prose { min-width: 0; }
.prose > :first-child { margin-top: 0; }
.prose h2 { margin: 2.2rem 0 .6rem; font: 700 1.6rem/1.2 var(--serif); }
.prose h3 { margin: 1.7rem 0 .4rem; font: 700 1.25rem/1.25 var(--serif); }
.prose p, .prose ul, .prose ol { margin: 0 0 1rem; text-wrap: pretty; }
.prose ul, .prose ol { padding-inline-start: 1.3rem; }
.prose li { margin-bottom: .3rem; }

.prose code {
  font: 400 .84em/1.5 var(--mono);
  word-spacing: normal;
  background: var(--tint);
  padding: .1em .3em;
  border-radius: 2px;
}

.prose pre {
  margin: 0 0 1.2rem;
  padding: .9rem 1rem;
  overflow-x: auto;
  background: var(--tray);
  color: var(--on-chassis);
  border-radius: 3px;
}
.prose pre code {
  display: block;
  width: max-content;
  min-width: 100%;
  background: none;
  padding: 0;
  font-size: .86rem;
  line-height: 1.6;
}

.prose blockquote {
  margin: 1.4rem 0;
  padding: .1rem 0 .1rem 1rem;
  border-left: 4px solid var(--yellow);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.scroll { overflow-x: auto; margin: 0 0 1.2rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: 1.02rem; }
.prose th, .prose td {
  padding: .4rem .9rem .4rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}
.prose th { font: 700 1.05rem/1.35 var(--label); }
.prose td.num, .prose th.num { text-align: right; white-space: nowrap; padding-right: 0; }

.neighbours {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 1.02rem;
}
.neighbours p { margin: 0 0 .35rem; }

.prose .filelist { list-style: none; padding: 0; margin: 1.5rem 0 3.5rem; }
.prose .filelist li {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: .1rem 1.5rem;
  padding-block: .55rem;
  margin: 0;
  border-bottom: 1px solid var(--rule);
}
.filelist a { font: 400 .9rem/1.8 var(--mono); }

.foot {
  background: var(--chassis);
  color: var(--on-chassis-soft);
  border-top: 3px solid var(--slot);
  font: 500 1.08rem/1.4 var(--label);
}
.foot__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem 2rem;
  padding-block: 1.1rem;
}
.foot p { margin: 0; }
.foot a { color: var(--on-chassis); }

main { flex: 1; }
main > .wrap.prose { padding-block-start: 1.75rem; }
main > .wrap:last-child { padding-block-end: 3.5rem; }

@media (max-width: 56rem) {
  .home { grid-template-columns: minmax(0, 1fr); }
  .article {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "meta" "text";
  }
  .meta { position: static; }
}

@media (max-width: 40rem) {
  body { font-size: 1.06rem; }
  .tray__link { grid-template-columns: auto minmax(0, 1fr); gap: .8rem; padding: .85rem .8rem; }
  .led { align-self: start; margin-top: .55rem; }
  .tray__side { grid-column: 2; justify-items: start; }
  .vent { display: none; }
  .tray__title { font-size: 1.25rem; }
  .prose .filelist li { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .led { animation: none; }
  .tray__title { transition: none; }
  .tray__link:hover .tray__title { transform: none; }
}