/* Direction A — "Editorial".
   Chart-led and argument-shaped: the answer as a sentence, the cards as the
   primary reading, the chart directly below as their explanation. One accent
   colour, reserved for the frontier. */

:root {
  --paper: #fbfaf7;
  --ink: #16150f;
  --ink-2: #4a473c;
  --ink-3: #78745f;
  --rule: #ddd8c8;
  --rule-soft: #ebe7db;
  --accent: #9a3412;
  --accent-soft: #f2e4dc;
  --warn: #7c5a10;
  --warn-bg: #fdf6e3;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --measure: 34rem;
  --gutter: clamp(1rem, 4vw, 3.5rem);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #12110e; --ink: #f2efe6; --ink-2: #c3bfb0; --ink-3: #8e8a7a;
    --rule: #33312a; --rule-soft: #24231d; --accent: #f0794a; --accent-soft: #2e1d14;
    --warn: #d9b45a; --warn-bg: #241f12;
  }
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main { max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.012em; }
a { color: var(--accent); text-underline-offset: 3px; }
button { font: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

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

.masthead { border-bottom: 1px solid var(--ink); margin-bottom: 3rem; }
.masthead-inner {
  max-width: 1180px; margin: 0 auto;
  padding-inline: var(--gutter); padding-block: 2.5rem 1.25rem;
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  align-items: flex-end; justify-content: space-between;
}
h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.04; margin: 0; }
.standfirst {
  font-family: var(--serif); font-size: clamp(1rem, 2vw, 1.2rem);
  font-style: italic; color: var(--ink-2); margin: 0.6rem 0 0; max-width: var(--measure);
}
.masthead-tools { display: flex; flex-direction: column; align-items: flex-end; gap: 0.6rem; }
.generated { margin: 0; font-size: 0.74rem; color: var(--ink-3); font-family: var(--mono); }

.style-switch, .mode-switch { display: flex; border: 1px solid var(--rule); border-radius: 999px; overflow: hidden; }
.style-switch button, .mode-switch button {
  border: 0; background: transparent; color: var(--ink-3);
  padding: 0.38rem 0.95rem; font-size: 0.78rem; letter-spacing: 0.02em;
}
.style-switch button[aria-pressed="true"], .mode-switch button[aria-pressed="true"] {
  background: var(--ink); color: var(--paper);
}

/* --------------------------------------------------------------- answer */

.answer { margin-bottom: 1.75rem; }
.answer-line {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3.1vw, 2rem);
  line-height: 1.28; margin: 0; max-width: 46rem; color: var(--ink);
}
.answer-line strong { font-weight: 600; }
.answer-line .effort {
  font-family: var(--mono); font-size: 0.62em; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--accent); vertical-align: 0.22em;
}
.answer-empty { color: var(--ink-3); font-style: italic; }

/* -------------------------------------------------------------- notices */

.notices { display: grid; gap: 0.75rem; margin-bottom: 2rem; }
.notice {
  border-left: 3px solid var(--accent); background: var(--accent-soft);
  padding: 0.9rem 1.1rem; font-size: 0.88rem; line-height: 1.5;
  border-radius: 0 4px 4px 0; max-width: 60rem;
}
.notice-warn { border-left-color: var(--warn); background: var(--warn-bg); }
.notice code { font-family: var(--mono); font-size: 0.88em; }
.inline-toggle { white-space: nowrap; font-weight: 500; }

/* ------------------------------------------------------------- controls */

.controls {
  display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; align-items: flex-end;
  padding-block: 1.25rem; border-block: 1px solid var(--rule-soft); margin-bottom: 2.25rem;
}
.control { flex: 1 1 18rem; min-width: 0; }
.control label, .filter-label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-3); margin-bottom: 0.4rem;
}
.control output { font-family: var(--mono); font-size: 1rem; color: var(--ink); letter-spacing: 0; text-transform: none; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.filters { flex: 1 1 100%; }
.filters summary { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-3); cursor: pointer; }
.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.5rem; padding-top: 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  border: 1px solid var(--rule); border-radius: 999px;
  padding: 0.18rem 0.6rem; font-size: 0.78rem; cursor: pointer;
}
.chip:has(:checked) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.check { display: block; font-size: 0.85rem; cursor: pointer; }
.hint { display: block; font-size: 0.75rem; color: var(--ink-3); margin: 0.3rem 0 0; line-height: 1.45; }

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

.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule);
  margin-bottom: 2.75rem;
}
.card { background: var(--paper); padding: 1.4rem 1.3rem 1.5rem; cursor: pointer; transition: background 120ms; }
.card:hover, .card:focus-visible { background: var(--accent-soft); }
.card h2 {
  font-family: var(--sans); font-size: 0.74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-3); margin: 0 0 0.6rem;
}
.card-qual { font-family: var(--mono); text-transform: none; letter-spacing: 0; color: var(--accent); }
.card-value {
  font-family: var(--serif); font-size: clamp(2rem, 4.2vw, 2.9rem);
  line-height: 1; margin: 0 0 0.45rem; font-variant-numeric: tabular-nums;
}
.card-name { margin: 0; font-size: 0.95rem; font-weight: 600; }
.card-sub { margin: 0.15rem 0 0; font-size: 0.78rem; color: var(--ink-3); font-family: var(--mono); }
.card-empty .card-value, .card-empty .card-sub { color: var(--ink-3); }

/* --------------------------------------------------------------- ladder */

.ladder-section { margin-bottom: 3rem; }
.ladder { border: 1px solid var(--rule); max-width: 46rem; }
.ladder-head {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: baseline;
  justify-content: space-between; padding: 1rem 1.15rem 0.85rem;
  border-bottom: 1px solid var(--rule);
}
.ladder-head h2 { font-size: 1.15rem; margin: 0; }
.ladder-sub { margin: 0; font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); }
.ladder-list { list-style: none; margin: 0; padding: 0; }
.ladder-row {
  display: flex; gap: 1rem; align-items: baseline;
  padding: 0.85rem 1.15rem; border-bottom: 1px solid var(--rule-soft);
  cursor: pointer; transition: background 120ms;
}
.ladder-row:last-child { border-bottom: 0; }
.ladder-row:hover { background: var(--accent-soft); }
.ladder-on { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.ladder-band {
  flex: 0 0 5.25rem; font-family: var(--mono); font-size: 0.82rem;
  color: var(--ink-3); white-space: nowrap;
}
.ladder-on .ladder-band { color: var(--accent); font-weight: 600; }
.ladder-body { min-width: 0; }
.ladder-name { display: flex; align-items: center; gap: 0.45rem; font-weight: 600; font-size: 0.95rem; }
.swatch { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.ladder-stats {
  display: block; margin-top: 0.2rem; font-family: var(--mono);
  font-size: 0.72rem; color: var(--ink-3); line-height: 1.55;
}
.ladder-stats b { color: var(--ink); font-weight: 600; }
.ladder-empty { padding: 1.15rem; font-size: 0.85rem; color: var(--ink-3); font-style: italic; }

/* ---------------------------------------------------------------- chart */

.chart-section { margin-bottom: 3rem; }
.chart-head { max-width: var(--measure); margin-bottom: 1rem; }
.chart-head h2, .table-head h2, .panel h2 { font-size: 1.35rem; margin: 0 0 0.4rem; }
.chart-note, .table-note, .panel-note {
  font-size: 0.82rem; color: var(--ink-3); margin: 0; line-height: 1.5; max-width: 46rem;
}
.chart-wrap { position: relative; }
#chart { width: 100%; height: auto; display: block; overflow: visible; }

.grid { stroke: var(--rule-soft); stroke-width: 1; }
.axis-tick { fill: var(--ink-3); font-size: 11px; font-family: var(--mono); }
.axis-label { fill: var(--ink-2); font-size: 12px; letter-spacing: 0.04em; }
.frontier-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.pt { fill: var(--accent); cursor: pointer; }
.pt-front { fill: var(--accent); stroke: var(--paper); stroke-width: 1.5; }
.pt-dominated { fill: var(--ink-3); opacity: 0.38; }
.pt-out { opacity: 0.15; }
.pt-hi { fill: var(--ink); stroke: var(--accent); stroke-width: 3; }
.ci { stroke: var(--accent); stroke-width: 1.5; opacity: 0.5; }
.ci-dim { stroke: var(--ink-3); opacity: 0.2; }

/* ---------------------------------------------------------------- table */

.table-section { margin-bottom: 3rem; }
.table-head { margin-bottom: 0.9rem; }
.table-wrap { overflow-x: auto; border-top: 1px solid var(--ink); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { padding: 0.6rem 0.7rem; text-align: left; border-bottom: 1px solid var(--rule-soft); }
th {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-3); font-weight: 600; cursor: pointer; white-space: nowrap;
  position: sticky; top: 0; background: var(--paper);
}
th[aria-sort]::after { content: " ▾"; color: var(--accent); }
th[aria-sort="ascending"]::after { content: " ▴"; }
.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.strong { font-weight: 600; color: var(--ink); }
.rank { color: var(--ink-3); }
.model { font-weight: 600; white-space: nowrap; }
.row { cursor: pointer; }
.row:hover { background: var(--accent-soft); }
.row-qual .rank { color: var(--accent); }
.row-open { background: var(--accent-soft); }
.empty { color: var(--rule); }
.empty-row { text-align: center; color: var(--ink-3); padding: 2rem; font-style: italic; }

.effort { font-family: var(--mono); font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-2); }
.score { font-weight: 600; }
.ci-text { color: var(--ink-3); font-size: 0.85em; margin-left: 0.25em; }
.harness { display: block; font-size: 0.68rem; color: var(--ink-3); font-family: var(--sans); text-align: right; }
.badge, .tag {
  display: inline-block; margin-left: 0.4rem; padding: 0.05rem 0.35rem;
  font-family: var(--mono); font-size: 0.66rem; border: 1px solid var(--rule);
  border-radius: 3px; color: var(--ink-3); vertical-align: 0.1em;
}
.tag { border-color: var(--accent); color: var(--accent); }

/* ----------------------------------------------------------- provenance */

.prov-row td { background: var(--rule-soft); padding: 1.25rem 1rem; }
.prov-lead { margin: 0 0 1rem; font-size: 0.88rem; max-width: 52rem; }
.prov-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.25rem; }
.prov-item { background: var(--paper); border: 1px solid var(--rule); padding: 0.9rem; border-radius: 4px; }
.prov-item h4 { margin: 0 0 0.3rem; font-family: var(--sans); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-3); }
.prov-score { margin: 0 0 0.6rem; font-family: var(--mono); font-size: 1.15rem; font-weight: 600; }
.prov-item dl { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.8rem; margin: 0 0 0.6rem; font-size: 0.78rem; }
.prov-item dt { color: var(--ink-3); }
.prov-item dd { margin: 0; font-family: var(--mono); font-size: 0.75rem; }
.prov-item a { font-size: 0.75rem; }
.prov-missing { opacity: 0.55; }

/* --------------------------------------------------------------- panels */

.panel { padding-block: 2rem; border-top: 1px solid var(--rule); }
.panel p { font-size: 0.9rem; color: var(--ink-2); max-width: 50rem; line-height: 1.6; }
.limitation strong { color: var(--ink); }
.bench-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; margin-block: 1.25rem; }
.bench { border: 1px solid var(--rule); padding: 1rem; border-radius: 4px; }
.bench-out { opacity: 0.6; border-style: dashed; }
.bench h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }
.ver { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-3); }
.bench-state { margin: 0 0 0.7rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.bench-in .bench-state { color: var(--accent); }
.bench-out .bench-state { color: var(--ink-3); }
.bench dl { display: grid; grid-template-columns: auto 1fr; gap: 0.18rem 0.8rem; font-size: 0.78rem; margin: 0 0 0.7rem; }
.bench dt { color: var(--ink-3); }
.bench dd { margin: 0; font-family: var(--mono); font-size: 0.75rem; text-align: right; }
.bench-fail { font-size: 0.75rem; color: var(--warn); margin: 0 0 0.5rem; }
.bench-pass { font-size: 0.75rem; color: var(--ink-3); margin: 0 0 0.5rem; }
.bench a { font-size: 0.75rem; font-family: var(--mono); }
.bench-guard { grid-column: 1 / -1; color: var(--warn); font-size: 0.85rem; }

.refresh-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; }
.refresh-row .hint { flex: 1 1 22rem; margin: 0; }
#refresh {
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
  padding: 0.5rem 1.1rem; border-radius: 3px; font-size: 0.85rem;
}
#refresh:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
#refresh:disabled { opacity: 0.5; cursor: progress; }
.refresh-status { font-size: 0.82rem; color: var(--ink-3); }

footer { border-top: 1px solid var(--rule); margin-top: 2rem; }
footer p {
  max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter); padding-block: 1.75rem;
  font-size: 0.78rem; color: var(--ink-3);
}

.tooltip { display: none; }

@media (max-width: 700px) {
  .masthead-inner { padding-block: 1.75rem 1rem; }
  .masthead-tools { align-items: flex-start; }
  .cards { grid-template-columns: 1fr 1fr; }
  th, td { padding: 0.5rem 0.55rem; }
}

/* -------------------------------------------------------------- retired */

.retired { margin-top: 0.6rem; }
.retired summary { font-size: 0.78rem; color: var(--ink-3); cursor: pointer; }
.retired-note { font-size: 0.78rem; color: var(--ink-3); margin: 0.5rem 0; max-width: 46rem; }
.retired-list {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  list-style: none; margin: 0 0 0.5rem; padding: 0;
}
.retired-list li {
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3);
  border: 1px solid var(--rule); border-radius: 3px; padding: 0.1rem 0.45rem;
}