/* =========================================================================
   Lightbeam Docs. Its own layout (src/template.rs), in the app's colours:
   warm green-black with cream text, a pale-yellow beam and LEAF's lime.
   Light mode is warm paper with the same accents, deepened for contrast.
   ========================================================================= */

:root {
  --bg: #fbfaf4;
  --bg-2: #f3f1e6;
  --panel: #ffffff;
  --line: #e4e1d2;
  --line-2: #d3cfbc;
  --text: #17201c;
  --text-2: #4a524d;
  --muted: #6c736d;
  --accent: #8a6d00;
  --accent-fill: #f2e27a;
  --accent-ink: #1c1a08;
  --leaf: #5f8c00;
  --up: #3f8a12;
  --down: #c2412f;
  --code-bg: #f1efe3;
  --glow: hsla(54, 90%, 60%, 0.35);
  --shadow: 0 12px 40px -18px hsla(80, 20%, 20%, 0.25);

  --menu-w: 272px;
  --toc-w: 216px;
  --read-w: 44rem;
  --bar-h: 56px;
  --radius: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

.dark {
  --bg: hsl(160, 10%, 7%);
  --bg-2: hsl(160, 10%, 9.5%);
  --panel: hsl(160, 10%, 11%);
  --line: hsl(160, 5%, 16%);
  --line-2: hsl(160, 5%, 22%);
  --text: hsl(53, 75%, 95%);
  --text-2: hsl(55, 18%, 80%);
  --muted: hsl(60, 6%, 60%);
  --accent: hsl(54, 77%, 74%);
  --accent-fill: hsl(54, 77%, 74%);
  --accent-ink: hsl(160, 42%, 9%);
  --leaf: #bdf125;
  --up: hsl(80, 100%, 42%);
  --down: hsl(0, 100%, 67%);
  --code-bg: hsl(160, 10%, 9%);
  --glow: hsla(54, 90%, 70%, 0.16);
  --shadow: 0 18px 50px -20px hsla(0, 0%, 0%, 0.7);
  color-scheme: dark;
}

/* ------------------------------------------------------------------ base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
svg { width: 18px; height: 18px; flex: none; }
::selection { background: var(--accent-fill); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--accent-fill); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

.logo {
  display: block;
  width: 24px;
  height: 24px;
  background: var(--accent);
  -webkit-mask: url("/lightbeam-logo.png") no-repeat center / contain;
  mask: url("/lightbeam-logo.png") no-repeat center / contain;
}
.dark .logo { background: var(--text); }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__name { font-weight: 700; letter-spacing: 0.12em; font-size: 15px; text-transform: uppercase; }
.brand__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 1px 8px;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); background: var(--bg-2); }
.i-sun, .i-moon { display: contents; }
.i-moon svg { display: none; }
.dark .i-sun svg { display: none; }
.dark .i-moon svg { display: block; }

.cta, .ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  white-space: nowrap;
}
.cta { background: var(--accent-fill); color: var(--accent-ink); }
.cta:hover { filter: brightness(1.06); }
.cta--lg { height: 46px; padding: 0 20px; font-size: 15.5px; }
.ghost { height: 46px; padding: 0 18px; border: 1px solid var(--line-2); color: var(--text); }
.ghost:hover { background: var(--bg-2); }
.cta svg, .ghost svg { width: 16px; height: 16px; }

/* ------------------------------------------------------------- the menu */
.menu {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: var(--menu-w);
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
}
.menu__top { display: flex; align-items: center; justify-content: space-between; padding: 18px 16px 12px 20px; }
.menu__close { display: none; }
.find {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 14px 10px;
  height: 38px;
  padding: 0 10px 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.find:hover { border-color: var(--line-2); color: var(--text-2); }
.find span { flex: 1; text-align: left; }
kbd {
  font: 600 11px/1 var(--mono);
  padding: 4px 6px;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  color: var(--muted);
  background: var(--panel);
}
.menu__nav { flex: 1; overflow-y: auto; padding: 6px 10px 20px; scrollbar-width: thin; }
.menu__group + .menu__group { margin-top: 18px; }
.menu__title {
  margin: 0 0 4px;
  padding: 0 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}
.menu ul { list-style: none; margin: 0; padding: 0; }
.menu__link {
  position: relative;
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 14.5px;
  color: var(--text-2);
  text-decoration: none;
}
.menu__link:hover { color: var(--text); background: var(--bg); }
.menu__link.is-here { color: var(--text); background: var(--panel); font-weight: 600; box-shadow: inset 0 0 0 1px var(--line); }
.menu__link.is-here::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.menu__foot { padding: 14px 14px 16px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.menu__foot .cta { width: 100%; }
.menu__icons { display: flex; gap: 2px; }
.menu__icons .icon-btn:last-child { margin-left: auto; }

/* the bar and drawer below 1024px */
.bar { display: none; }
.scrim { display: none; }

/* --------------------------------------------------------------- layout */
.main { margin-left: var(--menu-w); min-height: 100vh; display: flex; flex-direction: column; outline: none; overflow-x: clip; }
.page {
  display: grid;
  grid-template-columns: minmax(0, var(--read-w)) var(--toc-w);
  gap: 64px;
  justify-content: center;
  padding: 56px 48px 24px;
  flex: 1;
}
.page--solo { grid-template-columns: minmax(0, var(--read-w)); }
.doc { min-width: 0; }
.doc__head { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.doc__group {
  margin: 0 0 10px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}
.doc__head h1 { margin: 0; font-size: clamp(2rem, 3.4vw, 2.6rem); line-height: 1.12; letter-spacing: -0.025em; }
.doc__lede { margin: 14px 0 0; font-size: 1.15rem; line-height: 1.55; color: var(--text-2); max-width: 38rem; }

.toc { position: sticky; top: 56px; align-self: start; max-height: calc(100vh - 80px); overflow-y: auto; font-size: 13.5px; }
.toc__title { margin: 0 0 10px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc__link { display: block; padding: 4px 0 4px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; line-height: 1.4; }
.toc__link--sub { padding-left: 26px; }
.toc__link:hover { color: var(--text); }
.toc__link.is-active { color: var(--text); border-left-color: var(--accent); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; }
.pager__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
}
.pager__link:hover { border-color: var(--accent); }
.pager__link--next { text-align: right; align-items: flex-end; }
.pager__dir { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.pager__dir svg { width: 14px; height: 14px; }
.pager__title { font-weight: 600; }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 40px;
  padding: 22px 48px 28px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.foot__links { display: flex; gap: 18px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }

/* ----------------------------------------------------------------- home */
.home { width: 100%; max-width: 68rem; margin: 0 auto; padding: 0 48px; flex: 1; }
.hero { position: relative; padding: 88px 0 40px; isolation: isolate; }
.hero__beam {
  position: absolute;
  z-index: -1;
  top: -140px;
  right: -12%;
  width: 70%;
  height: 520px;
  background:
    radial-gradient(closest-side, var(--glow), transparent 70%),
    linear-gradient(115deg, transparent 42%, var(--glow) 50%, transparent 58%);
  filter: blur(8px);
  pointer-events: none;
}
.hero__eyebrow { margin: 0 0 18px; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.hero__title {
  margin: 0;
  max-width: 15ch;
  font-size: clamp(2.5rem, 5.6vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 750;
}
.hero__title em { font-style: normal; color: var(--accent); }
.hero__lede { margin: 24px 0 0; max-width: 36rem; font-size: 1.2rem; line-height: 1.55; color: var(--text-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 56px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
}
.stat { padding: 20px 22px; display: flex; flex-direction: column; gap: 2px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { font-size: 1.75rem; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13.5px; color: var(--muted); }

.home__body { max-width: var(--read-w); margin-top: 40px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 40px; }
.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  text-decoration: none;
  transition: border-color 120ms, transform 120ms;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card__icon { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 6px; border-radius: 9px; background: var(--bg-2); color: var(--accent); }
.card__icon svg { width: 18px; height: 18px; }
.card__title { font-weight: 650; font-size: 1.05rem; }
.card__text { font-size: 14.5px; color: var(--muted); line-height: 1.5; }
.home .pager { display: none; }

/* ---------------------------------------------------------------- prose */
.prose { font-size: 16.5px; line-height: 1.72; color: var(--text-2); }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol, .prose table, .prose blockquote, .prose details { margin: 0 0 1.15em; }
.prose strong { color: var(--text); font-weight: 650; }
.prose h2, .prose h3, .prose h4 { color: var(--text); letter-spacing: -0.015em; line-height: 1.25; scroll-margin-top: 24px; }
.prose h2 { margin: 2.4em 0 0.7em; font-size: 1.55rem; }
.prose h3 { margin: 1.9em 0 0.55em; font-size: 1.18rem; }
.prose h4 { margin: 1.5em 0 0.4em; font-size: 1rem; }
.prose a { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 0.35em 0; padding-left: 0.2em; }
.prose li::marker { color: var(--muted); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose code {
  font: 0.86em var(--mono);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  color: var(--text);
}
.prose pre { margin: 0; padding: 16px 18px; overflow-x: auto; background: var(--code-bg); }
.prose pre code { padding: 0; border: 0; background: none; font-size: 13.5px; line-height: 1.6; }
.code-block { margin: 0 0 1.3em; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.code-block__bar { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px 6px 16px; border-bottom: 1px solid var(--line); background: var(--bg-2); font-size: 12px; color: var(--muted); }
.code-block__copy { border: 0; background: none; color: var(--muted); font: inherit; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.code-block__copy:hover, .code-block__copy.is-done { color: var(--text); background: var(--bg); }
.code-block__copy.is-fail { color: var(--down); }

.table-wrap { margin: 0 0 1.4em; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.prose table { width: 100%; margin: 0; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.prose th { text-align: left; font-size: 12.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); font-weight: 650; background: var(--bg-2); }
.prose th, .prose td { padding: 10px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose tr:last-child td { border-bottom: 0; }
.prose td:first-child { color: var(--text); }

/* GitHub-style alerts: > [!NOTE], [!TIP], [!IMPORTANT], [!WARNING], [!CAUTION] */
.prose blockquote {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--panel);
  font-size: 15.5px;
}
.prose blockquote > :last-child { margin-bottom: 0; }
.prose .markdown-alert-title { margin: 0 0 4px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.prose .markdown-alert-note, .prose .markdown-alert-important { border-left-color: var(--accent); }
.prose .markdown-alert-note .markdown-alert-title, .prose .markdown-alert-important .markdown-alert-title { color: var(--accent); }
.prose .markdown-alert-tip { border-left-color: var(--leaf); }
.prose .markdown-alert-tip .markdown-alert-title { color: var(--leaf); }
.prose .markdown-alert-warning, .prose .markdown-alert-caution { border-left-color: var(--down); }
.prose .markdown-alert-warning .markdown-alert-title, .prose .markdown-alert-caution .markdown-alert-title { color: var(--down); }

/* FAQ disclosures */
.prose details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-bottom: 10px; }
.prose summary { cursor: pointer; padding: 14px 44px 14px 18px; color: var(--text); font-weight: 600; list-style: none; position: relative; }
.prose summary::-webkit-details-marker { display: none; }
.prose summary::after { content: "+"; position: absolute; right: 18px; top: 11px; font: 400 20px/1.2 var(--mono); color: var(--muted); }
.prose details[open] summary::after { content: "−"; }
.prose details > :not(summary) { margin: 0 18px 14px; }

/* Content blocks written as HTML in the Markdown */
.prose .facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 0 0 1.5em; }
.prose .fact { padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); display: flex; flex-direction: column; gap: 2px; }
.prose .fact b { color: var(--text); font-size: 1.35rem; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.prose .fact span { font-size: 13.5px; color: var(--muted); line-height: 1.4; }

.prose .steps { counter-reset: step; }
.prose .steps > ol { list-style: none; padding: 0; }
.prose .steps > ol > li { counter-increment: step; position: relative; padding: 0 0 18px 48px; margin: 0; }
.prose .steps > ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-fill);
  color: var(--accent-ink);
  font: 700 13px/1 var(--font);
}
.prose .steps > ol > li:not(:last-child)::after { content: ""; position: absolute; left: 14.5px; top: 36px; bottom: 6px; width: 1px; background: var(--line-2); }

.prose .flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 0 0 1.5em; counter-reset: flow; }
.prose .flow > div { position: relative; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); font-size: 14.5px; line-height: 1.5; }
.prose .flow b { display: block; color: var(--text); margin-bottom: 2px; }
.prose .flow .buy b { color: var(--up); }
.prose .flow .sell b { color: var(--down); }

.prose .split { display: flex; height: 14px; border-radius: 999px; overflow: hidden; margin: 0 0 10px; background: var(--line); }
.prose .split span { display: block; height: 100%; }
.prose .split .s-rewards { flex: 65; }
.prose .split .s-sale { flex: 25; }
.prose .split .s-liq { flex: 5; }
.prose .split .s-team { flex: 5; }
.prose .s-rewards { background: #5ec8f2; }
.prose .s-sale { background: var(--accent-fill); }
.prose .s-liq { background: var(--leaf); }
.prose .s-team { background: var(--muted); }
.prose .legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; margin: 0 0 1.5em; }
.prose .legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; }
.prose .legend .s-rewards, .prose .legend .s-sale, .prose .legend .s-liq, .prose .legend .s-team { background: none; }
.prose .legend .s-rewards::before { background: #5ec8f2; }
.prose .legend .s-sale::before { background: var(--accent-fill); }
.prose .legend .s-liq::before { background: var(--leaf); }
.prose .legend .s-team::before { background: var(--muted); }

/* --------------------------------------------------------------- search */
.search { display: none; position: fixed; inset: 0; z-index: 80; }
.search-open .search { display: block; }
.search__backdrop { position: absolute; inset: 0; background: hsla(160, 20%, 3%, 0.55); backdrop-filter: blur(3px); }
.search__panel {
  position: relative;
  width: min(620px, calc(100% - 32px));
  margin: 12vh auto 0;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.search__field { display: flex; align-items: center; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--line); }
.search__input { flex: 1; height: 56px; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; font-size: 17px; }
.search__input::-webkit-search-cancel-button { display: none; }
.search__results { list-style: none; margin: 0; padding: 6px; max-height: 60vh; overflow-y: auto; }
.search__results:empty { display: none; }
.search__result { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-radius: 9px; text-decoration: none; }
.search__result:hover, .search__result:focus { background: var(--bg-2); outline: none; }
.search__result-title { font-weight: 600; }
.search__result-desc { font-size: 13.5px; color: var(--muted); }
.search__empty { margin: 0; padding: 18px; color: var(--muted); font-size: 14px; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1279px) {
  .page { grid-template-columns: minmax(0, var(--read-w)); padding-top: 48px; }
  .toc { display: none; }
}

@media (max-width: 1023px) {
  .bar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 8px;
    height: var(--bar-h);
    padding: 0 10px;
    /* Near-solid instead of a backdrop blur, which re-blurs on every scroll frame on low-end phones. */
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    border-bottom: 1px solid var(--line);
  }
  .bar__end { margin-left: auto; display: flex; }
  .menu {
    width: min(320px, 86vw);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    box-shadow: var(--shadow);
  }
  .nav-open .menu { transform: none; }
  .menu__close { display: inline-grid; }
  .scrim { position: fixed; inset: 0; z-index: 35; background: hsla(160, 20%, 3%, 0.5); }
  .nav-open .scrim { display: block; }
  .main { margin-left: 0; }
  .page { padding: 36px 24px 16px; }
  .home { padding: 0 24px; }
  .hero { padding-top: 48px; }
  .foot { padding: 22px 24px 28px; }
  html { scroll-padding-top: calc(var(--bar-h) + 16px); }
  .prose h2, .prose h3 { scroll-margin-top: calc(var(--bar-h) + 16px); }
}

@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .cards { grid-template-columns: 1fr; }
  .page { padding: 28px 16px 8px; }
  .home { padding: 0 16px; }
  .foot { padding: 20px 16px 24px; }
  .pager { grid-template-columns: 1fr; }
  .pager__link--next { text-align: left; align-items: flex-start; }
  .prose { font-size: 16px; }
  .hero__beam { width: 100%; right: -30%; }
}

@media (min-width: 761px) and (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .menu, .card { transition: none; }
}