/* ============================================================
   STOCK LEDGER, component layer.
   Layout, components and palette. Type is Archivo for display, Inter for text.
   ============================================================ */

:root {
  --sl-accent:       #C8E807;
  --sl-accent-hover: #B2CE06;
  --sl-accent-tint:  #E6F48F;
  --sl-accent-faint: #F7FBDA;
  --sl-accent-deep:  #5A6803;
  --sl-ink:          #0B0C0A;
  --sl-ink-soft:     #23261C;
  --sl-paper:        #FAFAF7;
  --sl-paper-2:      #F2F3EC;
  --sl-muted:        #4C5340;
  --sl-rule:         rgba(11, 12, 10, .16);
  --sl-rule-strong:  rgba(11, 12, 10, .34);
  --sl-rule-paper:   #E2E5D8;

  --sl-max:   80rem;
  --sl-max-s: 48rem;
  --sl-pad:   2rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--sl-accent);
  color: var(--sl-ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  margin: 0;
}
h1, h2, h3, h4, .sl-display {
  font-family: Archivo, Inter, system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.06;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }

/* ---------- layout ---------- */
.sl-wrap { width: 100%; max-width: var(--sl-max); margin-inline: auto; padding-inline: var(--sl-pad); }
.sl-wrap.is-narrow { max-width: 56rem; }
.sl-section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }
.sl-section.is-tight { padding-block: clamp(3rem, 6vw, 5rem); }
.sl-section + .sl-section { border-top: 1px solid var(--sl-rule); }
.sl-eyebrow {
  font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sl-ink-soft); font-weight: 600; margin-bottom: 1.25rem;
}
.sl-h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); }
.sl-h2 { font-size: clamp(2rem, 4vw, 3rem); }
.sl-h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.sl-lead { font-size: clamp(1.05rem, 1.4vw, 1.25rem); color: var(--sl-ink-soft); max-width: 44rem; }
.sl-muted { color: var(--sl-muted); }
.sl-note { font-size: .8125rem; color: var(--sl-muted); line-height: 1.5; }
.sl-mono { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

/* ---------- nav ---------- */
.sl-nav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--sl-accent) 90%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--sl-ink);
}
.sl-nav__in { display: flex; align-items: center; gap: 1.5rem; height: 4.25rem; }
.sl-brand { display: flex; align-items: center; gap: .625rem; text-decoration: none; font-weight: 600; letter-spacing: -.01em; }
.sl-brand__mark { width: 2.125rem; height: 2.125rem; flex: none; display: block; }
.sl-nav__links { display: flex; gap: 1.5rem; margin-left: auto; }
.sl-nav__links a { text-decoration: none; font-size: .9375rem; color: var(--sl-ink-soft); }
.sl-nav__links a:hover { color: var(--sl-ink); }
.sl-nav__cta { margin-left: 1rem; }
.sl-burger {
  display: none; margin-left: auto; width: 2.5rem; height: 2.5rem; border: 1px solid var(--sl-ink);
  border-radius: .5rem; background: transparent; cursor: pointer; padding: 0; position: relative;
}
.sl-burger span { position: absolute; left: .625rem; right: .625rem; height: 1.5px; background: var(--sl-ink); transition: transform .25s, opacity .2s; }
.sl-burger span:nth-child(1) { top: .875rem; }
.sl-burger span:nth-child(2) { bottom: .875rem; }
.sl-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(.31rem) rotate(45deg); }
.sl-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-.31rem) rotate(-45deg); }
.sl-mobile { display: none; border-bottom: 1px solid var(--sl-ink); background: var(--sl-accent); }
.sl-mobile.is-open { display: block; }
.sl-mobile a { display: block; padding: .875rem 0; text-decoration: none; border-bottom: 1px solid var(--sl-rule); }
.sl-mobile a:last-child { border-bottom: 0; }

/* ---------- buttons ---------- */
.sl-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .8125rem 1.375rem; border-radius: .625rem;
  font-size: .9375rem; font-weight: 500; text-decoration: none;
  border: 1px solid var(--sl-ink); background: var(--sl-ink); color: var(--sl-paper);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.sl-btn:hover { background: var(--sl-paper); border-color: var(--sl-ink); color: var(--sl-ink); }
.sl-btn.is-accent { background: var(--sl-ink); border-color: var(--sl-ink); color: var(--sl-accent); }
.sl-btn.is-accent:hover { background: var(--sl-paper); border-color: var(--sl-ink); color: var(--sl-ink); }
.sl-btn.is-ghost { background: transparent; color: var(--sl-ink); border-color: var(--sl-ink); }
.sl-btn.is-ghost:hover { background: var(--sl-ink); color: var(--sl-accent); border-color: var(--sl-ink); }
.sl-btn.is-small { padding: .5rem 1rem; font-size: .875rem; }
.sl-btn__arrow { width: 1rem; height: 1rem; }
.sl-btns { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- hero ---------- */
.sl-hero { padding-top: clamp(3.5rem, 7vw, 6rem); padding-bottom: clamp(3rem, 6vw, 5rem); position: relative; overflow: hidden; }
.sl-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.sl-hero__title mark { background: var(--sl-ink); color: var(--sl-accent); padding: 0 .18em; border-radius: .12em; }
.sl-hero__lead { margin-top: 1.5rem; }
.sl-hero__btns { margin-top: 2.25rem; }

/* the register card: the product, drawn */
.sl-register {
  border: 1px solid var(--sl-ink); border-radius: 1rem; background: var(--sl-paper);
  box-shadow: 0 30px 60px -40px rgba(11,12,10,.55); overflow: hidden;
}
.sl-register__head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .875rem 1.125rem; border-bottom: 1px solid var(--sl-rule-paper); background: var(--sl-paper-2);
  font-size: .8125rem; color: var(--sl-muted);
}
.sl-register__tag { background: var(--sl-accent); color: var(--sl-ink); padding: .125rem .5rem; border-radius: .3125rem; font-weight: 600; }
.sl-row {
  display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: .75rem;
  padding: .8125rem 1.125rem; border-bottom: 1px solid var(--sl-rule-paper); font-size: .875rem; align-items: center;
}
.sl-row:last-child { border-bottom: 0; }
.sl-row.is-head { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--sl-muted); }
.sl-row.is-custodian { background: var(--sl-accent-faint); }
.sl-row.is-empty { color: var(--sl-muted); }
.sl-addr { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8125rem; }
.sl-pill { display: inline-block; padding: .125rem .5rem; border-radius: 999px; border: 1px solid var(--sl-rule-paper); font-size: .75rem; }
.sl-pill.is-zero { border-color: var(--sl-rule-paper); color: #6B6F63; }
.sl-pill.is-paid { background: var(--sl-accent); border-color: var(--sl-accent); font-weight: 600; }

/* ---------- stats ---------- */
.sl-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2.5rem); }
.sl-stat__n { font-family: Archivo, Inter, sans-serif; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; letter-spacing: -.03em; }
.sl-stat__n em { font-style: normal; color: var(--sl-ink); }
.sl-stat__t { margin-top: .75rem; color: var(--sl-ink-soft); font-size: .9375rem; max-width: 22rem; }

/* ---------- generic cards ---------- */
.sl-grid { display: grid; gap: 1rem; }
.sl-grid.is-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sl-grid.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sl-grid.is-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sl-card {
  border: 1px solid var(--sl-ink); border-radius: .875rem; padding: 1.5rem; background: var(--sl-paper);
  transition: transform .2s ease, box-shadow .2s ease;
}
.sl-card:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -32px rgba(11,12,10,.6); }
.sl-card__n { font-size: .75rem; color: #6B6F63; letter-spacing: .1em; }
.sl-card h3 { margin: .75rem 0 .625rem; font-size: 1.1875rem; }
.sl-card p { color: #2A2D25; font-size: .9375rem; }

/* ticker cards */
.sl-ticker { border: 1px solid var(--sl-ink); border-radius: .875rem; background: var(--sl-paper); overflow: hidden; }
.sl-ticker__top { display: flex; align-items: baseline; justify-content: space-between; padding: 1.125rem 1.25rem .75rem; }
.sl-ticker__sym { font-family: Archivo, Inter, sans-serif; font-size: 1.375rem; }
.sl-ticker__name { font-size: .8125rem; color: #6B6F63; }
.sl-ticker__line { display: flex; justify-content: space-between; padding: .625rem 1.25rem; font-size: .875rem; border-top: 1px solid var(--sl-rule-paper); }
.sl-ticker__line b { font-variant-numeric: tabular-nums; }
.sl-ticker__line.is-zero { background: var(--sl-paper-2); }
.sl-ticker__line.is-zero b { color: #5A6803; }

/* split table */
.sl-table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.sl-table th, .sl-table td { text-align: left; padding: .875rem 1rem; border-bottom: 1px solid var(--sl-rule-paper); }
.sl-table th { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: #6B6F63; font-weight: 600; }
.sl-table tr:last-child td { border-bottom: 0; }
.sl-table td b { font-variant-numeric: tabular-nums; }
.sl-tablewrap { border: 1px solid var(--sl-ink); border-radius: .875rem; overflow: hidden; background: var(--sl-paper); }

/* ---------- calculator ---------- */
.sl-calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.sl-field { margin-bottom: 1.25rem; }
.sl-field label { display: block; font-size: .8125rem; color: var(--sl-muted); margin-bottom: .5rem; }
.sl-input, .sl-select {
  width: 100%; padding: .8125rem 1rem; border: 1px solid var(--sl-ink); border-radius: .625rem;
  background: var(--sl-paper); font: inherit; color: var(--sl-ink); appearance: none;
}
.sl-input:focus, .sl-select:focus { outline: 2px solid var(--sl-accent); outline-offset: 1px; border-color: var(--sl-ink); }
.sl-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.sl-chip {
  padding: .5rem .875rem; border: 1px solid var(--sl-ink); border-radius: 999px; background: var(--sl-paper);
  font: inherit; font-size: .875rem; cursor: pointer; transition: background-color .15s, color .15s;
}
.sl-chip[aria-pressed="true"] { background: var(--sl-ink); border-color: var(--sl-ink); color: var(--sl-accent); font-weight: 600; }
.sl-result { border: 1px solid var(--sl-ink); border-radius: .875rem; background: var(--sl-ink); color: var(--sl-paper); padding: 1.75rem; }
.sl-result__label { font-size: .8125rem; color: #A7AC9B; letter-spacing: .06em; text-transform: uppercase; }
.sl-result__big { font-family: Archivo, Inter, sans-serif; font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: 1; margin: .625rem 0 .25rem; color: var(--sl-accent); font-variant-numeric: tabular-nums; }
.sl-result__row { display: flex; justify-content: space-between; padding: .625rem 0; border-top: 1px solid #23261E; font-size: .875rem; }
.sl-result__row span { color: #A7AC9B; }

/* ---------- lists ---------- */
.sl-deny { display: grid; gap: 0; border-top: 1px solid var(--sl-rule); }
.sl-deny__item { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 1.5rem; padding: 1.375rem 0; border-bottom: 1px solid var(--sl-rule); }
.sl-deny__k { font-family: Archivo, Inter, sans-serif; font-size: 1.125rem; }
.sl-deny__v { color: var(--sl-ink-soft); }

/* ---------- closing ---------- */
.sl-closing { background: var(--sl-ink); color: var(--sl-paper); border-radius: 1.25rem; padding: clamp(2.5rem, 6vw, 4.5rem); }
.sl-closing h2 { color: var(--sl-paper); }
.sl-closing mark { background: var(--sl-accent); color: var(--sl-ink); padding: 0 .18em; border-radius: .12em; }
.sl-closing p { color: #C3C7B8; }
/* the closing card is ink on ink, so the primary button would vanish into it:
   flip it to the accent here */
.sl-closing .sl-btn.is-accent { background: var(--sl-accent); border-color: var(--sl-accent); color: var(--sl-ink); }
.sl-closing .sl-btn.is-accent:hover { background: var(--sl-paper); border-color: var(--sl-paper); color: var(--sl-ink); }

/* ---------- footer ---------- */
.sl-footer { border-top: 1px solid var(--sl-rule); padding-block: 3.5rem 2.5rem; }
.sl-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, .7fr)); gap: 2rem; }
.sl-footer h4 { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sl-muted); margin-bottom: .875rem; font-family: Inter, sans-serif; font-weight: 600; }
.sl-footer a { display: block; text-decoration: none; padding: .3125rem 0; font-size: .9375rem; color: var(--sl-ink-soft); }
.sl-footer a:hover { color: var(--sl-ink); }
.sl-footer__bottom { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--sl-rule); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------- docs ---------- */
.sl-doc { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.sl-doc__nav { position: sticky; top: 5.5rem; border-left: 1px solid var(--sl-ink); padding-left: 1.25rem; }
.sl-doc__nav a { display: block; padding: .375rem 0; text-decoration: none; font-size: .9375rem; color: #4C5340; }
.sl-doc__nav a:hover { color: var(--sl-ink); }
.sl-doc__nav a[aria-current="page"] { color: var(--sl-ink); font-weight: 600; }
.sl-prose {
  max-width: 46rem; background: var(--sl-paper); border: 1px solid var(--sl-ink);
  border-radius: 1rem; padding: clamp(1.5rem, 3vw, 2.75rem);
  box-shadow: 0 30px 60px -44px rgba(11,12,10,.5);
}
.sl-prose h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-top: 2.75rem; }
.sl-prose h3 { font-size: 1.1875rem; margin-top: 1.75rem; }
.sl-prose p { margin-top: 1rem; color: #2A2D25; }
.sl-prose ul { margin: 1rem 0 0; padding-left: 1.125rem; color: #2A2D25; }
.sl-prose li { margin-top: .5rem; }
.sl-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .875em;
  background: var(--sl-paper-2); border: 1px solid var(--sl-rule-paper); border-radius: .3125rem; padding: .0625rem .3125rem;
}
.sl-prose pre {
  margin-top: 1.25rem; padding: 1.125rem 1.25rem; background: var(--sl-ink); color: #E8EBDF;
  border-radius: .75rem; overflow-x: auto; font-size: .8125rem; line-height: 1.6;
}
.sl-prose pre code { background: none; border: 0; color: inherit; padding: 0; }
.sl-callout { margin-top: 1.5rem; border-left: 4px solid var(--sl-ink); background: var(--sl-accent-faint); padding: 1rem 1.25rem; border-radius: 0 .5rem .5rem 0; }
.sl-docnext { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--sl-rule-paper); display: flex; justify-content: space-between; gap: 1rem; }

/* ---------- responsive ---------- */
@media (max-width: 992px) {
  .sl-hero__grid { grid-template-columns: 1fr; }
  .sl-grid.is-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sl-calc { grid-template-columns: 1fr; }
  .sl-doc { grid-template-columns: 1fr; }
  .sl-doc__nav { position: static; border-left: 0; padding-left: 0; border-bottom: 1px solid var(--sl-rule); padding-bottom: 1rem; }
  .sl-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  :root { --sl-pad: 1.25rem; }
  .sl-nav__links, .sl-nav__cta { display: none; }
  .sl-burger { display: block; }
  .sl-stats, .sl-grid.is-2, .sl-grid.is-3, .sl-grid.is-4 { grid-template-columns: 1fr; }
  .sl-deny__item { grid-template-columns: 1fr; gap: .375rem; }
  .sl-row { grid-template-columns: 1.2fr .9fr; }
  .sl-row > :nth-child(3) { display: none; }
}

/* anchor jumps glide instead of teleporting; wheel and trackpad scrolling stays
   exactly as the browser does it */
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* wide tables scroll inside their own frame instead of squeezing the page */
.sl-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 720px) { .sl-table { min-width: 34rem; } }

/* icon links in the header: X, GitHub */
.sl-x, .sl-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border-radius: .5rem; color: var(--sl-ink);
  transition: background-color .18s ease, color .18s ease;
}
.sl-x svg, .sl-ico svg { width: 1rem; height: 1rem; fill: currentColor; }
.sl-x:hover, .sl-ico:hover { background: var(--sl-ink); color: var(--sl-accent); }
@media (max-width: 720px) { .sl-nav__in .sl-x, .sl-nav__in .sl-ico { display: none; } }

/* grid items default to min-width:auto, so a wide code block inside the docs
   column stretches the whole page on a phone: let them shrink instead */
.sl-doc > * { min-width: 0; }
.sl-prose, .sl-prose pre, .sl-prose table { max-width: 100%; }

/* addresses and topic hashes are one long unbreakable word: let them wrap
   instead of widening the page on a phone */
code { overflow-wrap: anywhere; }