/* Instrument panel, not a brochure: hairline rules, tabular figures, every
   quantity labelled and in the same place on every page. */
*, *::before, *::after { box-sizing: border-box; border-radius: 0 !important; }
:root {
  color-scheme: light dark;
  --bg: #ffffff; --fg: #0a0a0a; --muted: #55555c; --faint: #8e8e96;
  --rule: #0a0a0a; --hair: #d8d8dc; --grid: #eeeef1;
  --accent: #0d33ff; --accent-fg: #ffffff; --flag: #c2410c;
  --code-bg: #f7f7f8; --side: #fbfbfc; --ok: #046c4e;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, Arial, sans-serif;
  --side-w: 278px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08080a; --fg: #ededf0; --muted: #9a9aa4; --faint: #63636d;
    --rule: #ededf0; --hair: #26262c; --grid: #141418;
    --accent: #7590ff; --accent-fg: #08080a; --flag: #fb923c;
    --code-bg: #101014; --side: #0c0c0f; --ok: #34d399;
  }
}
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 14px; line-height: 1.55;
  font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.mono, .k { font-family: var(--mono); }

/* ---- frame ------------------------------------------------------------ */
.app { display: grid; grid-template-columns: var(--side-w) 1fr; min-height: 100vh; }
aside.side {
  border-right: 1px solid var(--rule); background: var(--side);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; z-index: 20;
}
/* A square hairline scrollbar rather than the platform's rounded one: the rest
   of the page is hairlines and right angles, and an OS scrollbar through the
   middle of it reads as a seam. Firefox takes the two-property form and WebKit
   the pseudo-elements, so both are given and neither falls back. */
aside.side, .dagwrap {
  scrollbar-width: thin; scrollbar-color: var(--hair) transparent;
}
aside.side::-webkit-scrollbar, .dagwrap::-webkit-scrollbar { width: 10px; height: 10px; }
aside.side::-webkit-scrollbar-track { background: var(--side); }
.dagwrap::-webkit-scrollbar-track { background: transparent; }
aside.side::-webkit-scrollbar-thumb {
  background: var(--hair); border: 3px solid var(--side); border-radius: 0 !important;
}
.dagwrap::-webkit-scrollbar-thumb {
  background: var(--hair); border: 3px solid var(--bg); border-radius: 0 !important;
}
aside.side:hover::-webkit-scrollbar-thumb,
.dagwrap:hover::-webkit-scrollbar-thumb { background: var(--faint); }
aside.side::-webkit-scrollbar-corner, .dagwrap::-webkit-scrollbar-corner {
  background: transparent;
}
aside .brand {
  padding: 13px 16px 11px; border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; background: var(--side); z-index: 1;
}
aside .brand b { font-family: var(--mono); font-size: 12.5px; font-weight: 700;
                 text-transform: uppercase; letter-spacing: .13em; display: block; }
aside .brand .readout {
  display: flex; gap: 12px; margin-top: 7px; font-family: var(--mono);
  font-size: 10px; letter-spacing: .05em; color: var(--faint);
}
aside .brand .readout b { display: inline; font-size: 10px; letter-spacing: .05em;
                          color: var(--fg); font-weight: 600; }
aside .sec {
  display: flex; align-items: baseline; gap: 7px;
  padding: 13px 16px 5px; font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: .14em; color: var(--faint);
  border-top: 1px solid var(--hair); background: var(--grid);
}
aside .sec .s { color: var(--accent); font-weight: 700; }
aside a.item { display: flex; gap: 10px; padding: 3px 16px; font-size: 12.5px;
               color: var(--muted); border-left: 2px solid transparent; }
aside a.item .n { font-family: var(--mono); font-size: 10.5px; color: var(--faint);
                  min-width: 30px; letter-spacing: .03em; }
aside a.item:hover { background: var(--fg); color: var(--bg); }
aside a.item:hover .n { color: var(--bg); }
aside a.item.on { border-left-color: var(--accent); color: var(--fg); font-weight: 650;
                  background: var(--grid); }
aside a.item.on .n { color: var(--accent); font-weight: 700; }
aside .pad { flex: 1 1 auto; min-height: 30px; }
.col { min-width: 0; display: flex; flex-direction: column; }

/* ---- hamburger -------------------------------------------------------- */
.navtoggle { position: absolute; opacity: 0; pointer-events: none; }
label.burger {
  display: none; align-items: center; justify-content: center;
  padding: 0 15px; cursor: pointer;
  border-right: 1px solid var(--hair); font-family: var(--mono); font-size: 15px;
  line-height: 1; user-select: none;
  /* Its own height, not the header's. The top bar wraps on a narrow screen, and
     a stretched item alone on a row is only as tall as its glyph -- which put
     the burger flat against the top edge and made it a 15px touch target. */
  min-height: 46px; flex: 0 0 auto;
}
label.burger:hover { background: var(--fg); color: var(--bg); }
label.scrim { display: none; }

/* ---- top bar ---------------------------------------------------------- */
header.top {
  position: sticky; top: 0; z-index: 10; background: var(--bg);
  border-bottom: 1px solid var(--rule); display: flex; align-items: stretch;
  flex-wrap: wrap;
}
header.top form.picker { display: flex; align-items: stretch; flex-wrap: wrap;
                        flex: 1 1 auto; min-width: 0; }
header.top .field { display: flex; align-items: center; min-height: 46px;
                    border-right: 1px solid var(--hair); min-width: 0; flex: 0 1 auto; }
/* the language list holds the longest names, so it gets the slack */
header.top .field.wide { flex: 1 1 240px; }
header.top .field select { flex: 1 1 auto; min-width: 0; }
header.top label.q {
  font-family: var(--mono); font-size: 9.5px; text-transform: uppercase;
  letter-spacing: .16em; color: var(--faint); padding: 0 9px 0 15px;
}
select, input[type=number] {
  font-family: var(--mono); font-size: 12.5px; color: var(--fg);
  background: transparent; border: 0; padding: 11px 14px 11px 0;
  max-width: 100%; min-width: 0; cursor: pointer; text-overflow: ellipsis;
}
select:focus, input:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
button {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: .14em; cursor: pointer; color: var(--bg); background: var(--fg);
  border: 0; padding: 0 16px;
}
button:hover { background: var(--accent); color: var(--accent-fg); }
header .grow { flex: 1 1 auto; }
header .here {
  display: flex; align-items: center; gap: 14px; padding: 0 16px; margin-left: auto;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--faint); border-left: 1px solid var(--hair);
}
header .here b { color: var(--fg); font-weight: 650; }

/* ---- main ------------------------------------------------------------- */
main { padding: 0 0 90px; }
.head { padding: 24px 28px 20px; border-bottom: 1px solid var(--hair); }
h1 { font-size: 23px; letter-spacing: -.02em; margin: 0; font-weight: 680; }
h1 .dim { color: var(--faint); font-weight: 400; }
h1 .sig { font-family: var(--mono); font-size: 12px; color: var(--accent);
          letter-spacing: .08em; display: block; margin-bottom: 5px; font-weight: 600; }
p.lede { color: var(--muted); margin: 7px 0 0; max-width: 84ch; }
h2 { display: flex; align-items: baseline; gap: 9px;
     font-family: var(--mono); font-size: 10px; text-transform: uppercase;
     letter-spacing: .16em; color: var(--faint); margin: 0; font-weight: 600;
     padding: 9px 28px; background: var(--grid);
     border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
h2 .s { color: var(--accent); font-weight: 700; }

/* spec strip: every page states its parameters in the same shape */
.spec { display: flex; flex-wrap: wrap; border-top: 1px solid var(--hair); }
.spec .cell { display: flex; flex-direction: column; gap: 2px;
              padding: 9px 20px 9px 0; margin-right: 20px;
              border-right: 1px solid var(--hair); }
.spec .cell:last-child { border-right: 0; }
.spec .k { font-size: 9.5px; text-transform: uppercase; letter-spacing: .16em;
           color: var(--faint); }
.spec .v { font-family: var(--mono); font-size: 12.5px; font-weight: 600; }
.spec .v.acc { color: var(--accent); }

.body { padding: 0 28px; }
.sample { border: 1px solid var(--hair); margin: 0 0 -1px; background: var(--bg); }
.sample:first-of-type { margin-top: 20px; }
.sample > .head {
  display: flex; align-items: center; gap: 14px; padding: 5px 14px;
  border: 0; border-bottom: 1px solid var(--hair); background: var(--grid);
  font-family: var(--mono); font-size: 10px; color: var(--faint);
  text-transform: uppercase; letter-spacing: .12em;
}
.sample > .head .grow { flex: 1 1 auto; }
.sample > .head b { color: var(--fg); font-weight: 650; }
.sample > .head a:hover { color: var(--accent); }
.sample pre { margin: 0; padding: 15px 18px; font-family: var(--mono); font-size: 13px;
              line-height: 1.72; white-space: pre-wrap; word-wrap: break-word; }
.sample .answer { padding: 6px 18px; border-top: 1px solid var(--hair);
                  background: var(--code-bg); font-family: var(--mono);
                  font-size: 11.5px; color: var(--faint);
                  text-transform: uppercase; letter-spacing: .1em; }
.sample .answer b { color: var(--ok); font-weight: 700; letter-spacing: .02em;
                    text-transform: none; font-size: 12.5px; }
[dir=rtl] pre { text-align: right; }

table.cmp { width: 100%; border-collapse: collapse; margin: 20px 0 0;
            border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
table.cmp td { vertical-align: top; padding: 13px 18px;
               border-top: 1px solid var(--hair); font-family: var(--mono);
               font-size: 13px; line-height: 1.72; white-space: pre-wrap;
               word-wrap: break-word; }
table.cmp tr:first-child td { border-top: 0; }
table.cmp td.lang { white-space: nowrap; width: 1%; padding-right: 26px;
                    border-right: 1px solid var(--hair); background: var(--grid); }
table.cmp td.lang b { display: block; font-size: 12.5px; font-weight: 700; }
table.cmp td.lang .c { font-size: 10px; color: var(--faint); letter-spacing: .12em;
                       text-transform: uppercase; }
table.cmp tr:hover td { background: var(--code-bg); }

.grid { display: grid; gap: 0; grid-template-columns: repeat(auto-fill, minmax(252px, 1fr));
        border-bottom: 1px solid var(--hair); }
.grid a { padding: 11px 16px; border-right: 1px solid var(--hair);
          border-bottom: 1px solid var(--hair); display: block; }
.grid a:hover { background: var(--fg); color: var(--bg); }
.grid .r { font-family: var(--mono); font-size: 10px; color: var(--accent);
           letter-spacing: .1em; font-weight: 650; }
.grid a:hover .r, .grid a:hover .c { color: var(--bg); }
.grid .t { font-weight: 620; margin: 2px 0 3px; }
.grid .c { font-size: 12px; color: var(--muted); line-height: 1.45; }
/* static export: one page carries every exported language, and the select
   shows one at a time -- switching is instant and needs no second request.
   Showing the picked one needs a rule per code, which only the exporter can
   write (it chooses the codes); build_site.lang_rules appends them below.
   The surface block is one episode carried through raster, audio and video,
   so it has no `data-lang` and belongs on the page whichever code is up. */
.samples[data-show] .sample { display: none; }
.samples[data-show] .sample:not([data-lang]) { display: block; }
.samples[data-show="*"] .sample { display: block; }
.sample .xl { display: none; }
.samples[data-show="*"] .sample .xl { display: inline; }
.err { font-family: var(--mono); font-size: 12px; white-space: pre-wrap;
       background: var(--code-bg); border: 1px solid var(--flag); padding: 14px;
       color: var(--flag); }

@media (max-width: 940px) {
  .app { grid-template-columns: 1fr; }
  aside.side {
    position: fixed; top: 0; left: 0; width: min(86vw, var(--side-w)); height: 100vh;
    transform: translateX(-101%); transition: transform .16s ease-out;
    border-right: 1px solid var(--rule);
  }
  .navtoggle:checked ~ .app aside.side { transform: none; }
  label.burger { display: flex; }
  header.top { min-height: 46px; }
  /* the readout wraps to its own full-width row rather than squeezing the
     controls it sits beside */
  header .here { border-left: 0; width: 100%; margin-left: 0; padding: 7px 18px;
                 border-top: 1px solid var(--hair); }
  .navtoggle:checked ~ .app label.scrim {
    display: block; position: fixed; inset: 0; z-index: 15;
    background: rgba(0,0,0,.42);
  }
  .head, .body, h2 { padding-left: 18px; padding-right: 18px; }
}

.dagwrap { overflow: auto; border: 1px solid var(--rule);
  background: var(--panel); padding: 4px; }
svg.dag { display: block; }
.dag-edge { fill: none; stroke: var(--faint); stroke-width: 1; opacity: .4; }
.dag-node { fill: var(--panel); stroke: var(--rule); }
.dag-text { font-size: 11px; fill: var(--fg); }
.dag-layer { font-size: 11px; fill: var(--accent); font-weight: 700; }
svg.dag a:hover .dag-node { fill: var(--accent); stroke: var(--accent); }
svg.dag a:hover .dag-text { fill: var(--accent-fg); }
.samples[data-show="english"] .sample[data-lang="english"] { display: block; }
.samples[data-show="spanish"] .sample[data-lang="spanish"] { display: block; }
.samples[data-show="chinese"] .sample[data-lang="chinese"] { display: block; }
.samples[data-show="turkish"] .sample[data-lang="turkish"] { display: block; }
.samples[data-show="swahili"] .sample[data-lang="swahili"] { display: block; }
.samples[data-show="english_synonym"] .sample[data-lang="english_synonym"] { display: block; }
.samples[data-show="symbols"] .sample[data-lang="symbols"] { display: block; }
.samples[data-show="deu"] .sample[data-lang="deu"] { display: block; }
.samples[data-show="sh"] .sample[data-lang="sh"] { display: block; }
.samples[data-show="fin"] .sample[data-lang="fin"] { display: block; }
.samples[data-show="cmn"] .sample[data-lang="cmn"] { display: block; }
.samples[data-show="jpn"] .sample[data-lang="jpn"] { display: block; }
.samples[data-show="tur"] .sample[data-lang="tur"] { display: block; }
.samples[data-show="arb"] .sample[data-lang="arb"] { display: block; }
.samples[data-show="kat"] .sample[data-lang="kat"] { display: block; }
.samples[data-show="mri"] .sample[data-lang="mri"] { display: block; }
.samples[data-show="vie"] .sample[data-lang="vie"] { display: block; }
.samples[data-show="tha"] .sample[data-lang="tha"] { display: block; }
.samples[data-show="tam"] .sample[data-lang="tam"] { display: block; }
.samples[data-show="swh"] .sample[data-lang="swh"] { display: block; }
.samples[data-show="nav"] .sample[data-lang="nav"] { display: block; }
.samples[data-show="kal"] .sample[data-lang="kal"] { display: block; }
.samples[data-show="tpi"] .sample[data-lang="tpi"] { display: block; }
.samples[data-show="unm"] .sample[data-lang="unm"] { display: block; }
.samples[data-show="inh"] .sample[data-lang="inh"] { display: block; }
.samples[data-show="kor"] .sample[data-lang="kor"] { display: block; }
.samples[data-show="eus"] .sample[data-lang="eus"] { display: block; }
.samples[data-show="chr"] .sample[data-lang="chr"] { display: block; }
.samples[data-show="quz"] .sample[data-lang="quz"] { display: block; }
.samples[data-show="ady"] .sample[data-lang="ady"] { display: block; }
.samples[data-show="mww"] .sample[data-lang="mww"] { display: block; }
.samples[data-show="wyi"] .sample[data-lang="wyi"] { display: block; }
.samples[data-show="cic"] .sample[data-lang="cic"] { display: block; }
.samples[data-show="ain"] .sample[data-lang="ain"] { display: block; }
.samples[data-show="ckt"] .sample[data-lang="ckt"] { display: block; }
.samples[data-show="yua"] .sample[data-lang="yua"] { display: block; }
.samples[data-show="twf"] .sample[data-lang="twf"] { display: block; }
.samples[data-show="lkt"] .sample[data-lang="lkt"] { display: block; }
.samples[data-show="gug"] .sample[data-lang="gug"] { display: block; }
.samples[data-show="ayr"] .sample[data-lang="ayr"] { display: block; }
.samples[data-show="nmn"] .sample[data-lang="nmn"] { display: block; }
.samples[data-show="niv"] .sample[data-lang="niv"] { display: block; }
.samples[data-show="lut"] .sample[data-lang="lut"] { display: block; }
.samples[data-show="yag"] .sample[data-lang="yag"] { display: block; }
.samples[data-show="luo"] .sample[data-lang="luo"] { display: block; }
.samples[data-show="ppl"] .sample[data-lang="ppl"] { display: block; }
.samples[data-show="fra"] .sample[data-lang="fra"] { display: block; }
.samples[data-show="epo"] .sample[data-lang="epo"] { display: block; }
.samples[data-show="hun"] .sample[data-lang="hun"] { display: block; }
.samples[data-show="yue"] .sample[data-lang="yue"] { display: block; }
.samples[data-show="ryu"] .sample[data-lang="ryu"] { display: block; }
.samples[data-show="kaz"] .sample[data-lang="kaz"] { display: block; }
.samples[data-show="heb"] .sample[data-lang="heb"] { display: block; }
.samples[data-show="xmf"] .sample[data-lang="xmf"] { display: block; }
.samples[data-show="ind"] .sample[data-lang="ind"] { display: block; }
.samples[data-show="khm"] .sample[data-lang="khm"] { display: block; }
.samples[data-show="lao"] .sample[data-lang="lao"] { display: block; }
.samples[data-show="tel"] .sample[data-lang="tel"] { display: block; }
.samples[data-show="yor"] .sample[data-lang="yor"] { display: block; }
.samples[data-show="apw"] .sample[data-lang="apw"] { display: block; }
.samples[data-show="ike"] .sample[data-lang="ike"] { display: block; }
.samples[data-show="srn"] .sample[data-lang="srn"] { display: block; }
.samples[data-show="chy"] .sample[data-lang="chy"] { display: block; }
.samples[data-show="lez"] .sample[data-lang="lez"] { display: block; }