@font-face {
  font-family: "WebPlus IBM VGA 8x16";
  src: url("../fonts/WebPlus_IBM_VGA_8x16.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "WebPlus IBM EGA 9x14";
  src: url("../fonts/WebPlus_IBM_EGA_9x14.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "Terminus TTF";
  src: url("../fonts/TerminusTTF-4.49.3.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "Departure Mono";
  src: url("../fonts/DepartureMono-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "Iosevka Fixed Slab Extended";
  src: url("../fonts/IosevkaFixedSlab-Extended.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

:root {
  --black: #000000;
  --white: #FFFFFF;
  --red: #FF0000;
  --green: #00FF00;
  --blue: #0000FF;
  --yellow: #FFFF00;
  --cyan: #00FFFF;
  --magenta: #FF00FF;
  --font: "WebPlus IBM VGA 8x16", "PxPlus IBM VGA8", "Cascadia Mono", "Courier New", monospace;
  --font-size: 16px;
  --cell-w: 8px;
  --cell-h: 16px;
  --cols: 80;
  --rows: 40;
  --prompt-rows: 1;
  --visual-viewport-width: 100vw;
  --visual-viewport-height: 100dvh;
  --visual-viewport-left: 0px;
  --visual-viewport-top: 0px;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--black);
  color: var(--white);
}

body,
button,
input {
  font-family: var(--font);
  font-size: var(--font-size);
  font-weight: 400;
  line-height: var(--cell-h);
}

body {
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: none;
}

a,
button,
input {
  border-radius: 0;
  --pair-foreground: var(--white);
  --pair-background: var(--black);
}

a {
  --pair-foreground: var(--cyan);
  --pair-background: var(--black);
  color: var(--pair-foreground);
  background: var(--pair-background);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible,
button:hover,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 0;
  background: var(--pair-foreground);
  color: var(--pair-background);
  text-decoration: none;
}

::selection {
  background: var(--white);
  color: var(--black);
}

.skip-link {
  --pair-foreground: var(--black);
  --pair-background: var(--white);
  position: fixed;
  z-index: 40;
  top: 0;
  left: 0;
  transform: translateY(-120%);
  padding: 0 1ch;
  background: var(--pair-background);
  color: var(--pair-foreground);
}

.skip-link:focus {
  transform: none;
}

.stage {
  position: fixed;
  left: var(--visual-viewport-left, 0px);
  top: var(--visual-viewport-top, 0px);
  width: var(--visual-viewport-width, 100vw);
  height: var(--visual-viewport-height, 100dvh);
  display: none;
  place-items: center;
  overflow: hidden;
  padding: max(var(--cell-h), env(safe-area-inset-top)) max(var(--cell-w), env(safe-area-inset-right)) max(var(--cell-h), env(safe-area-inset-bottom)) max(var(--cell-w), env(safe-area-inset-left));
  background: var(--black);
}

.js-loading .stage {
  display: grid;
  visibility: hidden;
}

.tui-ready .stage {
  display: grid;
  visibility: visible;
}

.terminal {
  position: relative;
  isolation: isolate;
  width: calc(var(--cols) * var(--cell-w));
  height: calc(var(--rows) * var(--cell-h));
  max-width: 100%;
  max-height: 100%;
  display: grid;
  grid-template-rows: var(--cell-h) minmax(0, 1fr) calc(var(--prompt-rows) * var(--cell-h)) var(--cell-h);
  overflow: hidden;
  outline: 1px solid var(--white);
  background: var(--black);
}

.top-line,
.status-line {
  min-width: 0;
  height: var(--cell-h);
  display: flex;
  align-items: center;
  gap: 1ch;
  overflow: hidden;
  white-space: nowrap;
  padding: 0 1ch;
}

.top-line {
  background: var(--blue);
  color: var(--white);
}

.top-title {
  flex: 0 0 auto;
  color: var(--yellow);
}

.top-route {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-mode {
  flex: 0 0 auto;
  color: var(--cyan);
}

.terminal-main {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--cell-w);
  overflow: hidden;
}

.output-frame {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.viewport {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: auto;
  scrollbar-width: none;
  overscroll-behavior: contain;
  scroll-behavior: auto;
  touch-action: pan-y;
  outline: 0;
}

.viewport,
.document {
  overflow-anchor: none;
}

.row-reveal-mask {
  position: absolute;
  z-index: 20;
  inset: 0;
  background: var(--black);
  pointer-events: none;
  transform: translateY(0);
}

.terminal.reveal-active .row-reveal-mask {
  will-change: transform;
}

.row-reveal-mask[hidden] {
  display: none;
}

.viewport::-webkit-scrollbar {
  display: none;
}

.viewport:focus-visible {
  outline: 1px solid var(--white);
  outline-offset: -1px;
  background: var(--black);
  color: var(--white);
}

.document {
  min-height: 100%;
  padding: 0 var(--cell-w) var(--cell-h);
  overflow-wrap: break-word;
  word-break: normal;
}

.document > :first-child {
  margin-top: 0;
}

.document p,
.document ul,
.document ol,
.document dl,
.document pre,
.document nav,
.document section,
.document article,
.document .mock-block {
  margin-top: 0;
  margin-bottom: var(--cell-h);
}

.document article {
  margin-bottom: 0;
}

.document ul,
.document ol {
  padding-left: 3ch;
}

.document li {
  margin: 0;
}

.document h1,
.document h2,
.document h3 {
  margin: 0 0 var(--cell-h);
  font: inherit;
  color: var(--yellow);
}

#page-title:focus {
  --pair-foreground: var(--yellow);
  --pair-background: var(--black);
  outline: 0;
  background: var(--pair-foreground);
  color: var(--pair-background);
}

.document h1::before {
  content: "== ";
  color: var(--green);
}

.document h1::after {
  content: " ==";
  color: var(--green);
}

.document h2::before {
  content: "-- ";
  color: var(--magenta);
}

.document h3::before {
  content: "> ";
  color: var(--green);
}

.document code,
.document kbd {
  font: inherit;
  color: var(--cyan);
}

.document strong {
  color: var(--yellow);
  font-weight: 400;
}

.document em {
  color: var(--magenta);
  font-style: normal;
}

.command-echo {
  color: var(--green);
  white-space: pre-wrap;
}

.location-line {
  color: var(--cyan);
}

.command-name {
  color: var(--yellow);
}

.primary-menu,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1ch;
  align-items: baseline;
}

.primary-menu::before {
  content: "MENU:";
  color: var(--magenta);
}

.primary-menu a,
.inline-links a,
.text-button {
  display: inline-block;
  min-height: var(--cell-h);
  padding: 0 0.25ch;
}

.primary-menu a[aria-current="page"] {
  --pair-foreground: var(--black);
  --pair-background: var(--white);
  background: var(--pair-background);
  color: var(--pair-foreground);
  text-decoration: none;
}

.metadata {
  padding: 0;
  list-style: none;
}

.metadata li::before {
  content: "> ";
  color: var(--magenta);
}

.notice,
.mock-block {
  border-left: 1ch solid var(--yellow);
  padding-left: 1ch;
  color: var(--yellow);
}

.mock-block {
  border-left-color: var(--magenta);
  color: var(--magenta);
}

.preview-label {
  color: var(--magenta);
}

.command-list {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0 2ch;
}

.command-list dt {
  color: var(--cyan);
}

.command-list dd {
  margin: 0;
}

.transient-output {
  border-top: var(--cell-h) solid var(--black);
}

.transient-output[data-kind="error"] {
  color: var(--red);
}

.text-button {
  --pair-foreground: var(--cyan);
  --pair-background: var(--black);
  appearance: none;
  border: 0;
  margin: 0;
  background: var(--pair-background);
  color: var(--pair-foreground);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

.scroll-rail {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: var(--cell-h) minmax(0, 1fr) var(--cell-h);
  overflow: hidden;
  background: var(--black);
  color: var(--white);
  user-select: none;
}

.scroll-rail[data-active="false"] {
  visibility: hidden;
  pointer-events: none;
}

.rail-button,
.rail-track {
  --pair-foreground: var(--white);
  --pair-background: var(--black);
  width: var(--cell-w);
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: var(--pair-background);
  color: var(--pair-foreground);
  line-height: var(--cell-h);
  cursor: pointer;
}

.rail-button {
  height: var(--cell-h);
}

.rail-track {
  height: 100%;
  white-space: pre;
  text-align: center;
  cursor: ns-resize;
  touch-action: none;
}

.prompt-line {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  border: 0;
  padding: 0 1ch;
  background: var(--black);
  color: var(--white);
}

.prompt-line::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--white);
  pointer-events: none;
}

.prompt-prefix {
  color: var(--green);
  white-space: pre;
}

.command-input {
  --pair-foreground: var(--white);
  --pair-background: var(--black);
  width: 100%;
  min-width: 0;
  height: 100%;
  padding: 0 0 0 1ch;
  border: 0;
  outline: 0;
  background: var(--pair-background);
  color: var(--pair-foreground);
  caret-color: var(--green);
}

.command-input::placeholder {
  color: var(--white);
}

.status-line {
  justify-content: space-between;
  background: var(--white);
  color: var(--black);
}

.status-left,
.status-centre,
.status-right {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-left {
  flex: 1 1 30%;
}

.status-centre {
  --status-centre-column: 0;
  --status-centre-layout-left: 0px;
  position: relative;
  left: calc((var(--status-centre-column) * var(--cell-w)) - var(--status-centre-layout-left));
  flex: 1 1 24%;
  text-align: left;
}

.status-right {
  flex: 1 1 30%;
  text-align: right;
}

.status-colophon {
  --pair-foreground: var(--black);
  --pair-background: var(--white);
  flex: 0 0 auto;
  color: var(--pair-foreground);
  background: var(--pair-background);
}

.cell-pointer {
  position: absolute;
  z-index: 30;
  top: 0;
  left: 0;
  width: var(--cell-w);
  height: var(--cell-h);
  visibility: hidden;
  pointer-events: none;
  background: var(--white);
  mix-blend-mode: difference;
}

.cell-pointer[data-visible="true"] {
  visibility: visible;
}

@media (pointer: fine) {
  .terminal.custom-pointer-active,
  .terminal.custom-pointer-active * {
    cursor: none !important;
  }
}

.probe {
  position: fixed;
  left: -10000px;
  top: -10000px;
  visibility: hidden;
  white-space: pre;
  height: auto;
  margin: 0;
  padding: 0;
  border: 0;
  font-family: var(--font);
  font-size: var(--font-size);
  font-style: normal;
  font-weight: 400;
  line-height: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.no-js-fallback {
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 1rem;
  background: var(--black);
  color: var(--white);
}

.no-js-fallback [role="main"] {
  max-width: 80ch;
  margin: 0 auto;
}

.no-js-fallback section {
  margin: var(--cell-h) 0;
}

.boot-cover {
  display: none;
  position: fixed;
  z-index: 100;
  inset: 0;
  background: var(--black);
  pointer-events: none;
}

.js-loading .boot-cover {
  display: block;
}

.js-loading .no-js-fallback {
  visibility: hidden;
}

.tui-ready .boot-cover {
  display: none;
}

.tui-ready .no-js-fallback {
  display: none;
}

@media (max-width: 720px) {
  .stage {
    padding: 0;
  }

  .terminal {
    outline: 0;
  }

  .top-mode,
  .status-centre,
  .status-colophon {
    display: none;
  }

  .command-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .command-list dd {
    margin-bottom: var(--cell-h);
  }
}

@media (max-width: 420px) {
  :root {
    --prompt-rows: 2;
  }

  .prompt-line {
    align-items: start;
    min-height: calc(2 * var(--cell-h));
  }

  .prompt-prefix,
  .command-input {
    height: var(--cell-h);
  }

  .primary-menu a,
  .inline-links a,
  .document a,
  .text-button {
    display: inline-flex;
    align-items: flex-start;
    max-width: 100%;
    height: calc(2 * var(--cell-h));
    min-height: calc(2 * var(--cell-h));
    padding-top: 0;
    padding-bottom: 0;
    line-height: var(--cell-h);
    vertical-align: top;
  }

  .document {
    padding-right: 0;
  }
}

@media (pointer: coarse) {
  .cell-pointer {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}