/* SNAP-Ed Archive — design system
   Palette: green-grey paper, spruce accent, beet for framework identity,
   straw for priority/archive badges. Serif = archival titles & prose,
   sans = UI chrome, mono = codes & counts. */

:root {
  color-scheme: light;
  --paper: #F5F6F2;
  --surface: #FDFDFB;
  --mist: #EBEEE6;
  --ink: #1E2620;
  --ink-soft: #56635A;
  --spruce: #2E6B4E;
  --spruce-tint: #E3EDE6;
  --beet: #96455C;
  --beet-tint: #F2E4E8;
  --straw: #B8860B;
  --straw-tint: #F4ECD9;
  --line: #DBDFD6;
  --focus: #2E6B4E;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #151A16; --surface: #1C231D; --mist: #232B24;
  --ink: #E4EAE2; --ink-soft: #9DAA9F;
  --spruce: #7DBA98; --spruce-tint: #23372B;
  --beet: #D28FA3; --beet-tint: #3A2630;
  --straw: #D9B966; --straw-tint: #33301F;
  --line: #2C342C; --focus: #7DBA98;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 15px; line-height: 1.55;
}
a { color: var(--spruce); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; }

/* ---------- masthead ---------- */
.masthead { border-bottom: 1px solid var(--line); background: var(--surface); }
.masthead-inner { max-width: 1120px; margin: 0 auto; padding: 18px 24px 0; }
.wordmark { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.wordmark a { text-decoration: none; }
.wordmark .name {
  font-family: var(--serif); font-size: 24px; font-weight: 700;
  letter-spacing: -0.01em; color: var(--ink);
}
.wordmark .name .leaf { color: var(--spruce); }
.wordmark .kind {
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 600;
}
.provenance { margin: 5px 0 0; font-size: 12px; color: var(--ink-soft); }
.provenance strong { color: var(--ink); font-weight: 600; }
.sitenav { display: flex; gap: 2px; margin-top: 12px; overflow-x: auto; }
.sitenav a {
  font: 600 13.5px var(--sans); color: var(--ink-soft); text-decoration: none;
  padding: 9px 12px 11px; border-bottom: 3px solid transparent; white-space: nowrap;
  transition: color 120ms ease;
}
.sitenav a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--spruce); }
.sitenav a:hover { color: var(--ink); }
.theme-toggle {
  appearance: none; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink-soft); width: 32px; height: 32px; border-radius: 99px;
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  margin-left: auto; align-self: center; flex: none; padding: 0;
  transition: color 120ms ease, border-color 120ms ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--spruce); }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }

.shell { max-width: 1120px; margin: 0 auto; padding: 30px 24px 64px; }
.shell-narrow { max-width: 860px; }

/* ---------- shared type ---------- */
h1.page-title { font-family: var(--serif); font-size: 30px; margin: 0 0 6px; text-wrap: balance; }
.page-sub { color: var(--ink-soft); margin: 0 0 22px; font-size: 14px; max-width: 70ch; }
.crumbs { font-size: 12.5px; color: var(--ink-soft); margin: 0 0 18px; }
.crumbs a { color: var(--ink-soft); }
.crumbs .sep { margin: 0 6px; opacity: 0.6; }
.kicker {
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-soft);
  margin: 30px 0 12px; padding-top: 16px; border-top: 1px solid var(--line);
}

/* ---------- prose (rendered archive bodies) ---------- */
.prose { font-family: var(--serif); font-size: 16px; line-height: 1.65; max-width: 68ch; }
.prose p { margin: 0 0 14px; }
.prose h2, .prose h3, .prose h4 {
  font-family: var(--sans); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft); margin: 28px 0 10px;
}
.prose h2 { font-size: 12.5px; padding-top: 14px; border-top: 1px solid var(--line); }
.prose h3 { font-size: 12px; }
.prose h4 { font-size: 11.5px; letter-spacing: 0.08em; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 14px; }
.prose li { margin: 4px 0; }
.prose img { border-radius: 6px; margin: 6px 0; }
.prose .tablewrap { overflow-x: auto; margin: 0 0 16px; }
.prose table { border-collapse: collapse; font-family: var(--sans); font-size: 13.5px; min-width: 480px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
.prose th { background: var(--mist); font-weight: 600; }
.prose a.dead-wb { color: var(--straw); }
.prose a.dead-gone { color: var(--ink-soft); text-decoration: line-through; }

/* ---------- chips & badges ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip {
  font-size: 11.5px; font-weight: 600; padding: 2.5px 9px; border-radius: 99px;
  background: var(--mist); color: var(--ink-soft); border: 1px solid transparent;
  text-decoration: none;
}
.chip.format { background: var(--spruce-tint); color: var(--spruce); }
.chip.year {
  margin-left: auto; background: none; border: none;
  font-family: var(--mono); font-weight: 500; color: var(--ink-soft);
}
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 11px var(--sans); border-radius: 99px; padding: 2px 9px;
}
.badge .dot { width: 7px; height: 7px; border-radius: 99px; background: currentColor; }
.badge.alive { color: var(--spruce); background: var(--spruce-tint); }
.badge.dead { color: var(--ink-soft); background: var(--mist); }
a.badge.wayback { color: var(--straw); background: var(--straw-tint); text-decoration: none; }
a.badge.wayback:hover { text-decoration: underline; }
.note-card {
  background: var(--mist); border-radius: 8px; padding: 12px 16px;
  font-size: 13.5px; color: var(--ink-soft); max-width: 62ch;
}

/* ---------- listing / cards ---------- */
.searchbar {
  display: flex; gap: 10px; align-items: center;
  background: var(--surface); border: 1.5px solid var(--line);
  border-radius: 8px; padding: 12px 16px; max-width: 640px;
}
.searchbar:focus-within { border-color: var(--spruce); }
.searchbar svg { flex: none; color: var(--ink-soft); }
.searchbar input {
  border: none; background: none; outline: none; width: 100%;
  font: 16px var(--sans); color: var(--ink);
}
.lib-body { display: grid; grid-template-columns: 240px 1fr; gap: 36px; margin-top: 24px; }
@media (max-width: 780px) { .lib-body { grid-template-columns: 1fr; } }
.facets fieldset { border: none; margin: 0 0 20px; padding: 0; }
.facets legend {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 700; color: var(--ink-soft); margin-bottom: 8px; padding: 0;
}
.facet-opt {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; padding: 3px 0; cursor: pointer; color: var(--ink);
}
.facet-opt input { accent-color: var(--spruce); margin: 0; flex: none; }
.facet-opt .n {
  margin-left: auto; font: 11.5px var(--mono); color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.facet-clear {
  appearance: none; border: none; background: none; cursor: pointer;
  color: var(--spruce); font: 600 12.5px var(--sans); padding: 0;
}
.result-meta { font-size: 13px; color: var(--ink-soft); margin: 0 0 14px; }
.result-meta output { font-weight: 700; color: var(--ink); font-family: var(--mono); }
.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px 18px; transition: border-color 120ms ease;
}
.card:hover { border-color: var(--spruce); }
.card h3 { font-family: var(--serif); font-size: 17px; margin: 0 0 4px; font-weight: 700; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--spruce); text-decoration: underline; }
.card .descr {
  margin: 0 0 10px; font-size: 13.5px; color: var(--ink-soft); max-width: 65ch;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card .cite { font-family: var(--serif); font-size: 14px; color: var(--ink-soft); margin: 0 0 8px; }
.empty { padding: 40px 0; text-align: center; color: var(--ink-soft); font-size: 14px; }

/* ---------- detail pages ---------- */
.det-grid { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
@media (max-width: 880px) { .det-grid { grid-template-columns: 1fr; } }
.det-head h1 { font-family: var(--serif); font-size: 30px; margin: 0 0 10px; text-wrap: balance; }
.meta-grid {
  display: grid; grid-template-columns: 160px 1fr; row-gap: 9px; column-gap: 18px;
  font-size: 13.5px; max-width: 60ch;
}
.meta-grid dt { color: var(--ink-soft); font-weight: 600; margin: 0; }
.meta-grid dd { margin: 0; }
.file-row, .link-row {
  display: flex; align-items: baseline; gap: 10px; padding: 9px 0;
  border-bottom: 1px solid var(--line); font-size: 14px;
}
.file-row .f-ext {
  flex: none; font: 700 10.5px var(--mono); color: var(--beet);
  background: var(--beet-tint); border-radius: 4px; padding: 2px 6px;
}
.file-row .f-size {
  margin-left: auto; font: 12px var(--mono); color: var(--ink-soft);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.link-row .l-domain { color: var(--ink-soft); font-size: 12px; }
.link-row .badge, .link-row a.badge { margin-left: auto; flex: none; }
.thumb { border-radius: 8px; border: 1px solid var(--line); margin-bottom: 16px; }

.page-prov {
  margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--ink-soft); max-width: 76ch;
}
.page-prov a { color: var(--ink-soft); }

/* ---------- framework ---------- */
.code-chip {
  display: inline-block; font: 700 13px var(--mono); letter-spacing: 0.04em;
  background: var(--beet-tint); color: var(--beet);
  padding: 3px 10px; border-radius: 6px; margin-bottom: 10px;
}
.fw-matrix { display: grid; gap: 24px; margin-top: 8px; }
.fw-band h2 {
  font-family: var(--serif); font-size: 20px; margin: 0 0 2px;
}
.fw-band .band-sub { font-size: 13px; color: var(--ink-soft); margin: 0 0 12px; }
.fw-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.fw-col {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px;
}
.fw-col h3 {
  font: 700 11px var(--sans); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 10px;
}
.fw-ind { display: flex; gap: 9px; align-items: baseline; padding: 5px 0; text-decoration: none; }
.fw-ind .r-code { font: 700 12px var(--mono); color: var(--beet); width: 40px; flex: none; }
.fw-ind .r-name { font-size: 13.5px; color: var(--ink); }
.fw-ind .star { color: var(--straw); font-size: 12px; }
.fw-ind:hover .r-name { color: var(--spruce); text-decoration: underline; }
.pos-card, .related-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.pos-card h3, .related-card h3 {
  margin: 0 0 12px; font: 700 11px var(--sans);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft);
}
.matrix { display: grid; grid-template-columns: auto repeat(4, 1fr); gap: 4px; font-size: 9.5px; }
.matrix .mx-h { color: var(--ink-soft); text-align: center; align-self: end; padding-bottom: 2px; font-weight: 600; }
.matrix .mx-r { color: var(--ink-soft); align-self: center; padding-right: 6px; font-weight: 600; }
.matrix .cell { height: 22px; border-radius: 4px; background: var(--mist); }
.matrix .cell.on { background: var(--beet); }
.pos-caption { font-size: 12px; color: var(--ink-soft); margin: 10px 0 0; }
.pos-caption b { color: var(--beet); }
.rel {
  display: flex; gap: 10px; align-items: baseline; padding: 8px 0;
  border-top: 1px solid var(--line); text-decoration: none;
}
.rel:first-of-type { border-top: none; }
.rel .r-code { font: 700 12px var(--mono); color: var(--beet); width: 40px; flex: none; }
.rel .r-name { font-size: 13.5px; color: var(--ink); }
.rel .r-stage { margin-left: auto; font-size: 11px; color: var(--ink-soft); white-space: nowrap; }
.rel:hover .r-name { color: var(--spruce); text-decoration: underline; }

/* ---------- home ---------- */
.hero { max-width: 72ch; margin-bottom: 0; }
.hero h1 { font-family: var(--serif); font-size: 38px; margin: 0 0 12px; text-wrap: balance; }
.hero p { font-size: 16px; color: var(--ink-soft); }
.stat-row { display: flex; gap: 32px; flex-wrap: wrap; margin: 26px 0 38px; }
.stat b { display: block; font: 700 26px var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.stat span { font-size: 12.5px; color: var(--ink-soft); }
.section-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.scard {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px; text-decoration: none; transition: border-color 120ms ease;
}
.scard:hover { border-color: var(--spruce); }
.scard h2 { font-family: var(--serif); font-size: 19px; margin: 0 0 6px; color: var(--ink); }
.scard p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }
.scard .n { font: 600 12px var(--mono); color: var(--spruce); }

/* ---------- states / simple lists ---------- */
.cols-list { columns: 3 220px; column-gap: 32px; }
.cols-list a { display: block; padding: 5px 0; text-decoration: none; color: var(--ink); font-size: 14.5px; }
.cols-list a:hover { color: var(--spruce); text-decoration: underline; }

/* ---------- footer ---------- */
.sitefoot { border-top: 1px solid var(--line); margin-top: 40px; background: var(--surface); }
.sitefoot-inner {
  max-width: 1120px; margin: 0 auto; padding: 22px 24px;
  font-size: 12.5px; color: var(--ink-soft);
}
.sitefoot-inner a { color: var(--ink-soft); }