/* mars-links.store - terminal reference sheet.
   One font, one weight, four greys and one neon. Hierarchy comes from size,
   the two text colours and uppercase. Nothing is bold, nothing is rounded,
   and no shadow is blurred. */

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/font/jetbrainsmono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/font/jetbrainsmono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #141414;
  --mut: #808080;
  --bg: #ffffff;
  --line: #e0e0e0;
  --glow: #39ff44;
  --neon-text: #0d7323;
  --neon-bg: #38ff6314;
  --neon-bg-hover: #38ff6326;
  --neon-border: #38ff6340;
  --lh: 17.5px;
  --hard: 3px 3px 0 rgb(180, 180, 180);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/1.25 var(--mono);
  font-variant-ligatures: none;
  letter-spacing: 0;
}

h1, h2, h3, h4, b, strong, th, em, i, dt {
  font-weight: 400;
  font-style: normal;
  font-family: var(--mono);
}

a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
a:hover { background: var(--neon-bg-hover); }

img { max-width: 100%; height: auto; display: block; }

/* ---------- shell ---------- */
.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  min-height: 100vh;
}

.side {
  border-right: 1px solid var(--line);
  padding: 0;
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
}

.col { padding: 0 3ch 0 3ch; min-width: 0; }

/* ---------- sidebar ---------- */
.mark {
  display: block;
  padding: calc(var(--lh) * 1.5) 2ch;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 18px;
  line-height: 1.25;
}
.mark:hover { background: var(--neon-bg); }
.mark img { width: 26px; height: 26px; margin-bottom: 6px; }
.mark span { color: var(--mut); display: block; font-size: 11px; margin-top: 4px; letter-spacing: 0.5px; }

.side .tag {
  padding: var(--lh) 2ch;
  border-bottom: 1px solid var(--line);
  color: var(--mut);
  font-size: 12px;
  line-height: 1.4;
}

.side h2 {
  margin: 0;
  padding: calc(var(--lh) / 2) 2ch;
  font-size: 11px;
  color: var(--mut);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--line);
}

.secs { display: block; border-bottom: 1px solid var(--line); }
.secs a {
  display: flex;
  justify-content: space-between;
  gap: 1ch;
  padding: 6px 2ch;
  text-decoration: none;
  font-size: 13px;
  text-transform: uppercase;
}
.secs a i { color: var(--mut); font-size: 11px; }
.secs a:hover { background: var(--neon-bg-hover); }
.secs a.on { background: var(--line); }
.secs a.on i { color: var(--ink); }

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}
.seg button {
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--mut);
  border: 0;
  border-right: 1px solid var(--line);
  padding: 7px 1ch;
  cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--line); color: var(--ink); }

.ndx { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.ndx li { border-bottom: 1px solid var(--line); }
.ndx li:last-child { border-bottom: 0; }
.ndx a {
  display: grid;
  grid-template-columns: 7ch minmax(0, 1fr);
  gap: 1ch;
  padding: 5px 2ch;
  text-decoration: none;
  font-size: 12px;
  align-items: baseline;
}
.ndx a:hover { background: var(--neon-bg-hover); }
.ndx a.on { background: var(--line); }
.ndx a b { text-align: right; }
.ndx a span { color: var(--mut); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sfoot { padding: var(--lh) 2ch calc(var(--lh) * 2) 2ch; color: var(--mut); font-size: 11px; line-height: 1.5; }
.sfoot a { color: var(--mut); }

/* ---------- head of the main column ---------- */
.crumb {
  padding: var(--lh) 0 0 0;
  color: var(--mut);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.crumb a { color: var(--mut); }

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: calc(var(--lh) / 2) 0 0 0;
  max-width: 62ch;
}

.lede { color: var(--mut); max-width: 74ch; margin: var(--lh) 0 0 0; line-height: 1.45; }

.big {
  display: flex;
  align-items: baseline;
  gap: 2ch;
  margin: calc(var(--lh) * 1.5) 0 0 0;
  padding: var(--lh) 2ch;
  border: 1px solid var(--line);
  box-shadow: var(--hard);
  flex-wrap: wrap;
}
.big b { font-size: 46px; line-height: 1; letter-spacing: -1px; }
.big em { color: var(--mut); text-transform: uppercase; font-size: 12px; letter-spacing: 1px; }

.chip {
  display: inline-block;
  border: 1px solid var(--line);
  color: var(--mut);
  padding: 2px 1ch;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: transparent;
  white-space: nowrap;
}
.chip.acc { border-color: var(--neon-border); color: var(--neon-text); }

/* ---------- addresses ---------- */
.doors {
  margin: calc(var(--lh) * 1.5) 0 0 0;
  border: 1px solid var(--line);
}
.doors .dhead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1ch;
  padding: 8px 2ch;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.doors .dhead h2 {
  margin: 0;
  font-size: 11px;
  color: var(--mut);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 0;
  padding: 0;
}
.door {
  display: flex;
  align-items: center;
  gap: 1ch;
  padding: 7px 2ch;
  border-bottom: 1px solid var(--line);
}
.door code {
  font-family: var(--mono);
  font-size: 12px;
  overflow-wrap: anywhere;
  flex: 1 1 auto;
  line-height: 1.35;
}
.door button {
  font: inherit;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--ink);
  color: var(--glow);
  border: 1px solid var(--ink);
  padding: 5px 2ch;
  cursor: pointer;
  flex: 0 0 auto;
}
.door button:hover { background: #000; }
.doors .fine {
  margin: 0;
  padding: 8px 2ch;
  color: var(--mut);
  font-size: 11.5px;
  line-height: 1.5;
}

/* ---------- body copy ---------- */
main { display: block; padding-bottom: calc(var(--lh) * 2); }

main h2 {
  font-size: 18px;
  margin: calc(var(--lh) * 2) 0 0 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  max-width: 84ch;
}
main h3 {
  font-size: 14px;
  margin: calc(var(--lh) * 1.5) 0 0 0;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
main p { margin: var(--lh) 0 0 0; max-width: 78ch; line-height: 1.5; }
main ul, main ol { margin: var(--lh) 0 0 0; padding-left: 3ch; max-width: 78ch; }
main li { margin-bottom: 6px; line-height: 1.5; }
main ol.steps { list-style: decimal; }

.note {
  margin: calc(var(--lh) * 1.5) 0 0 0;
  padding: var(--lh) 2ch;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  max-width: 84ch;
  line-height: 1.5;
}
.note b { display: block; text-transform: uppercase; font-size: 11px; letter-spacing: 1px; color: var(--mut); margin-bottom: 6px; }
.note.acc { border-left-color: var(--glow); background: var(--neon-bg); }
.note.acc b { color: var(--neon-text); }

/* spec strip */
.spec {
  margin: calc(var(--lh) * 1.5) 0 0 0;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.spec > div { padding: 10px 2ch; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.spec > div:last-child { border-right: 0; }
.spec dt { color: var(--mut); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.spec dd { margin: 5px 0 0 0; font-size: 13px; line-height: 1.35; }

/* tables */
.tw { overflow-x: auto; margin: calc(var(--lh) * 1.5) 0 0 0; border: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th, td { text-align: left; padding: 7px 1.5ch; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); vertical-align: top; line-height: 1.4; }
th { color: var(--mut); text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
th:last-child, td:last-child { border-right: 0; }
td b { white-space: nowrap; }

/* the register on the hub */
.reg { margin: calc(var(--lh) * 1.5) 0 0 0; border: 1px solid var(--line); border-bottom: 0; }
.reg a {
  display: grid;
  grid-template-columns: 9ch minmax(0, 1fr) 12ch;
  gap: 2ch;
  padding: 10px 2ch;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  align-items: baseline;
}
.reg a:hover { background: var(--neon-bg-hover); }
.reg a > b { font-size: 20px; text-align: right; line-height: 1; }
.reg a u { display: block; text-decoration: underline; text-underline-offset: 2px; }
.reg a i { display: block; color: var(--mut); font-size: 12px; margin-top: 4px; line-height: 1.4; }
.reg a > span { text-align: right; }

/* card pairs */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2ch; margin: calc(var(--lh) * 1.5) 0 0 0; }
.card { border: 1px solid var(--line); padding: var(--lh) 2ch; box-shadow: var(--hard); }
.card.acc { border-color: var(--neon-border); }
.card b { display: block; font-size: 15px; }
.card p { margin: 10px 0 0 0; color: var(--mut); font-size: 12.5px; line-height: 1.5; }
.card .more { display: inline-block; margin-top: 12px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }

/* code sample */
.samp {
  margin: calc(var(--lh) * 1.5) 0 0 0;
  border: 1px dashed var(--line);
  padding: var(--lh) 2ch;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-wrap: anywhere;
  color: var(--ink);
}
.samp em { color: var(--mut); display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.samp mark { background: var(--neon-bg-hover); color: var(--neon-text); }

/* prev / next */
.pn { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2ch; margin: calc(var(--lh) * 2) 0 0 0; }
.pn a { border: 1px solid var(--line); padding: 12px 2ch; text-decoration: none; display: block; }
.pn a:hover { background: var(--neon-bg-hover); }
.pn a em { display: block; color: var(--mut); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.pn a b { display: block; margin-top: 5px; text-decoration: underline; text-underline-offset: 2px; }

/* buttons used as links */
.btn {
  display: inline-block;
  padding: 8px 2ch;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  margin-top: var(--lh);
}
.btn:hover { background: #000; color: var(--glow); }
.btn.sec { background: var(--bg); color: var(--ink); border-color: var(--line); }
.btn.sec:hover { background: var(--neon-bg-hover); color: var(--ink); }
.btn.dash { background: var(--bg); color: var(--ink); border: 1px dashed var(--ink); }
.btn.dash:hover { background: var(--neon-bg-hover); }
.btnrow { display: flex; flex-wrap: wrap; gap: 2ch; margin: 0; max-width: none; }
.btnrow .btn { margin-top: var(--lh); }

/* ---------- foot ---------- */
.foot { border-top: 1px solid var(--line); padding: calc(var(--lh) * 1.5) 0 calc(var(--lh) * 3) 0; }
.foot .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--lh) 3ch; }
.foot h2 { font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: 1px; margin: 0 0 8px 0; padding-bottom: 5px; border-bottom: 1px solid var(--line); }
.foot a { display: block; font-size: 12px; padding: 2px 0; }
.foot .fine { color: var(--mut); font-size: 11.5px; line-height: 1.6; margin-top: calc(var(--lh) * 2); max-width: 100ch; }

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; border-left: 0; border-right: 0; }
  .side { position: static; max-height: none; border-right: 0; border-bottom: 1px solid var(--line); }
  .col { padding: 0 2ch; }
  h1 { font-size: 24px; }
  .big b { font-size: 34px; }
  .reg a { grid-template-columns: 7ch minmax(0, 1fr); }
  .reg a > span { display: none; }
}