/* CFCR site — mobile first, no framework, no webfonts. */

:root {
  --ink: #16191d;
  --ink-soft: #4a525c;
  --ink-faint: #6f7883;
  --rule: #dfe3e8;
  --page: #ffffff;
  --panel: #f6f7f9;
  --accent: #1d4ed8;
  --where: #0b6f5f;
  --what: #8a4b00;
  --how: #4b3fb0;
  --with-what: #9a1750;
  --ok: #0b6f3f;
  --warn: #8a4b00;
  --stop: #a01a2b;
  --radius: 6px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- masthead ------------------------------------------------------------ */

.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0 18px;
}

.masthead h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.masthead h1 span {
  display: block;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ink-faint);
  letter-spacing: 0;
}

.pitch {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--ink-soft);
}

/* --- fate axis navigation: the primary index ---------------------------- */

.axes {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
  padding: 18px 0 20px;
}

.axes-head {
  margin: 0 0 12px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.axis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.axis {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--page);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px 14px;
  font: inherit;
  cursor: pointer;
}

.axis:hover { border-color: var(--ink-faint); }

.axis-name {
  display: block;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.axis-q {
  display: block;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.axis-n {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.axis-grid .axis:nth-child(1) { border-left-color: var(--where); }
.axis-grid .axis:nth-child(1) .axis-name { color: var(--where); }
.axis-grid .axis:nth-child(2) { border-left-color: var(--what); }
.axis-grid .axis:nth-child(2) .axis-name { color: var(--what); }
.axis-grid .axis:nth-child(3) { border-left-color: var(--how); }
.axis-grid .axis:nth-child(3) .axis-name { color: var(--how); }
.axis-grid .axis:nth-child(4) { border-left-color: var(--with-what); }
.axis-grid .axis:nth-child(4) .axis-name { color: var(--with-what); }

.axis.on {
  background: var(--ink);
  border-color: var(--ink);
}

.axis-grid .axis.on .axis-name,
.axis-grid .axis.on .axis-q,
.axis-grid .axis.on .axis-n { color: #fff; }

.axis-all .axis-name { font-size: 1rem; }

/* --- layout ------------------------------------------------------------- */

.layout { padding-top: 18px; padding-bottom: 40px; }

.controls { margin-bottom: 14px; }

.search input {
  width: 100%;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.search input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.count {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

/* --- facets ------------------------------------------------------------- */

.facet-panel {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 10px 12px;
  margin-bottom: 18px;
}

.facet-panel > summary {
  cursor: pointer;
  font-weight: 650;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.clear {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 400;
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 2px 8px;
  color: var(--ink-soft);
  cursor: pointer;
}

.facet {
  border-top: 1px solid var(--rule);
  padding: 8px 0 6px;
}

.facet > summary {
  cursor: pointer;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.chosen {
  display: inline-block;
  margin-left: 6px;
  background: var(--ink);
  color: #fff;
  border-radius: 9px;
  padding: 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0;
}

.check {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 3px 0;
  font-size: 0.92rem;
  cursor: pointer;
}

.check input { margin: 0; }
.check-name { flex: 1; }

.check-n {
  color: var(--ink-faint);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

/* --- legend ------------------------------------------------------------- */

.legend {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 18px;
}

.legend > summary { cursor: pointer; font-weight: 650; }

.legend-body { font-size: 0.92rem; color: var(--ink-soft); }
.legend-body h3 { font-size: 0.88rem; margin: 14px 0 4px; color: var(--ink); }
.legend-body ul { margin: 6px 0; padding-left: 0; list-style: none; }
.legend-body li { margin-bottom: 6px; }
.legend-body .note { font-style: italic; }

/* --- cards -------------------------------------------------------------- */

#cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px;
}

.card-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.card-head h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.type {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1px 8px;
  color: var(--ink-soft);
}

.year {
  font-size: 0.82rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.card-axes, .card-tags { margin: 8px 0 0; }
.card-tags:empty, .card-axes:empty { display: none; }

.chip {
  display: inline-block;
  margin: 0 5px 5px 0;
  padding: 1px 7px;
  font-size: 0.76rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 10px;
  color: var(--ink-soft);
}

/* Outbound links to the resource itself, as opposed to its papers. */
.card-links { margin: 10px 0 6px; }

.link-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  margin: 0 6px 6px 0;
  padding: 2px 9px;
  font-size: 0.78rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  text-decoration: none;
}

.link-chip:hover, .link-chip:focus-visible {
  border-color: var(--accent);
  background: var(--panel);
}

.link-kind {
  font-variant: small-caps;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}

.link-label { color: var(--accent); }

.axis-chip {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  font-weight: 600;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 650;
  border-radius: 10px;
  padding: 2px 9px;
  border: 1px solid;
}

.badge.ev.externally-benchmarked { color: var(--ok); border-color: var(--ok); background: #eaf5ef; }
.badge.ev.partially-independent { color: var(--warn); border-color: var(--warn); background: #fcf2e6; }
.badge.ev.self-reported { color: var(--stop); border-color: var(--stop); background: #fbecee; }

.badge.av.open-source { color: var(--ok); border-color: var(--ok); background: #eaf5ef; }
.badge.av.open-weights { color: var(--warn); border-color: var(--warn); background: #fcf2e6; }
.badge.av.api-only { color: var(--stop); border-color: var(--stop); background: #fbecee; }

.badge.va { color: var(--ink-soft); border-color: var(--rule); background: var(--panel); font-weight: 400; }

.availability {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.licence {
  font-size: 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ink-soft);
}

.licence-none { color: var(--stop); font-style: italic; font-family: inherit; }

.evidence {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--panel);
  border-radius: var(--radius);
}

.ev-head, .ev-none {
  margin: 8px 0 4px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.ev-list, .trail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.ev-list li, .trail-list li { margin-bottom: 8px; }

.role {
  display: inline-block;
  margin-right: 6px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--rule);
  background: var(--page);
  border-radius: 9px;
  padding: 0 7px;
  color: var(--ink-soft);
  vertical-align: 1px;
}

.role.primary { color: var(--ink); border-color: var(--ink-faint); }
.role.critique { color: var(--stop); border-color: var(--stop); }
.role.benchmark { color: var(--ok); border-color: var(--ok); }

.byline, .role-gloss { color: var(--ink-faint); font-size: 0.84rem; }

.ev-note {
  margin: 3px 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.desc { margin: 12px 0 0; }

.curator-notes, .trail, .fields {
  margin-top: 10px;
  font-size: 0.92rem;
}

.curator-notes > summary, .trail > summary, .fields > summary {
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.curator-notes p { margin: 6px 0 0; color: var(--ink-soft); }

.field-table {
  width: 100%;
  margin-top: 8px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.field-table th,
.field-table td {
  text-align: left;
  vertical-align: top;
  padding: 3px 8px 3px 0;
  border-top: 1px solid var(--rule);
  font-weight: 400;
}

.field-table th { color: var(--ink-faint); width: 40%; }

.empty { color: var(--ink-faint); }

/* --- documentation: about, download, citation, contact ------------------ */

.docs {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
  padding-bottom: 8px;
  max-width: 820px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.docs h2 {
  margin: 26px 0 6px;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.docs h2:first-child { margin-top: 0; }

.docs p { margin: 8px 0; }

.docs code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
}

.dl-table {
  width: 100%;
  margin: 10px 0;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.dl-table th,
.dl-table td {
  text-align: left;
  vertical-align: top;
  padding: 5px 8px 5px 0;
  border-top: 1px solid var(--rule);
  font-weight: 400;
  overflow-wrap: break-word;
}

.dl-table thead th {
  border-top: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.dl-table tbody th { width: 60%; color: var(--ink); }
.dl-table td:last-child { white-space: nowrap; }

.cmd {
  margin: 10px 0;
  padding: 9px 11px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.84rem;
  line-height: 1.45;
}

.cmd code { font-size: 1em; color: var(--ink); }

.docs .terms { font-size: 0.88rem; }

.cite {
  padding: 9px 11px;
  background: var(--panel);
  border-left: 3px solid var(--rule);
  border-radius: var(--radius);
  overflow-wrap: break-word;
}

.contact-list {
  margin: 8px 0;
  padding-left: 0;
  list-style: none;
}

.contact-list li {
  margin-bottom: 10px;
  padding-left: 11px;
  border-left: 3px solid var(--rule);
}

/* --- footer ------------------------------------------------------------- */

.foot {
  border-top: 1px solid var(--rule);
  padding: 16px 0 30px;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* --- wider screens ------------------------------------------------------ */

@media (min-width: 620px) {
  .axis-grid { grid-template-columns: repeat(2, 1fr); }
  .masthead h1 { font-size: 1.8rem; }
}

@media (min-width: 900px) {
  .layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    grid-template-areas:
      "controls controls"
      "facets   results";
    column-gap: 26px;
  }

  .controls { grid-area: controls; }
  .facets { grid-area: facets; }
  .results { grid-area: results; }

  .facet-panel {
    position: sticky;
    top: 14px;
    max-height: calc(100vh - 28px);
    overflow-y: auto;
  }

  .axis-grid { grid-template-columns: repeat(5, 1fr); }
  .axis-all { background: var(--panel); }
}

@media (prefers-reduced-motion: no-preference) {
  .axis { transition: border-color 0.12s ease; }
}