/* sidequest-bench — Wave 01 report site
   Light technical report: paper background, hairline rules,
   mono data typography, one signal accent. */

:root {
  --paper: #faf9f5;
  --panel: #ffffff;
  --ink: #1c1b17;
  --ink-2: #45443d;
  --muted: #78756b;
  --faint: #a8a498;
  --line: #e6e3d9;
  --line-2: #d2cebf;
  --signal: #b53a10;
  --signal-soft: rgba(181, 58, 16, 0.07);
  --signal-line: rgba(181, 58, 16, 0.35);
  --ok: #1d7a4f;
  --ok-soft: rgba(29, 122, 79, 0.08);
  --ok-line: rgba(29, 122, 79, 0.35);
  --code-bg: #f2efe6;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

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

::selection { background: var(--signal-soft); }

a { color: inherit; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { color: var(--signal); text-decoration-color: var(--signal); }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.08em 0.32em;
  white-space: nowrap;
}

:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 14px;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 8px; color: var(--paper); }

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 54px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

.wordmark-glyph {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.topbar-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.topbar-nav a,
.topbar-link {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.topbar-nav a:hover,
.topbar-link:hover { color: var(--ink); border-bottom-color: var(--ink); }
.topbar-nav a[aria-current="location"] { color: var(--ink); border-bottom-color: var(--signal); }

.topbar-link { margin-left: 4px; color: var(--ink); }

/* ---------- Page header ---------- */

.page-head {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px 56px;
}

.page-head-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  max-width: 15ch;
}

h1 em { font-style: normal; color: var(--signal); }

.lede {
  margin-top: 24px;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 64ch;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.spec-strip > div {
  padding: 16px 18px 14px;
  border-left: 1px solid var(--line);
}
.spec-strip > div:first-child { border-left: 0; }

.spec-strip dt {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.spec-strip dd {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.spec-strip dd .dim { color: var(--faint); font-size: 0.7em; }
.spec-strip dd.signal { color: var(--signal); }

/* ---------- Section scaffolding ---------- */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px;
  border-top: 1px solid var(--line);
}

.section-head { margin-bottom: 36px; }

.section-index {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 14px;
}

.section-head-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  max-width: 22ch;
}

.section-note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 52ch;
  padding-top: 4px;
}

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

.table-wrap {
  border: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
}

.board {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

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

.board thead th {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: 0;
  border-bottom: 1px solid var(--line-2);
  background: var(--paper);
  white-space: nowrap;
}

.board thead th.col-rank { padding: 12px 8px 12px 16px; }
.board thead th.col-model { padding: 12px 16px 12px 8px; }
.board thead th.col-ci { padding: 12px 16px; }

.sort {
  appearance: none;
  background: none;
  border: 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  cursor: pointer;
  padding: 12px 16px;
  width: 100%;
  text-align: left;
  white-space: nowrap;
}

.board thead th.col-num { text-align: right; }
.board thead th.col-num .sort { text-align: right; }
.board thead th.col-metric .sort { padding-left: 16px; }

.sort:hover { color: var(--ink); }
.sort::after { content: ""; margin-left: 6px; color: var(--signal); }
.sort.is-active { color: var(--ink); }
.sort.is-active::after { content: "↓"; }
.sort.is-active.is-asc::after { content: "↑"; }

.board tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  font-size: 14px;
}

.board tbody tr:last-child td { border-bottom: 0; }
.board tbody tr:hover { background: #f5f3ec; }

.board tbody tr.is-outlier {
  background: var(--signal-soft);
  box-shadow: inset 2px 0 0 var(--signal);
}
.board tbody tr.is-outlier:hover { background: rgba(181, 58, 16, 0.11); }

.rank {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  padding-left: 16px !important;
  padding-right: 8px !important;
}

.model { min-width: 210px; }

.model-name {
  display: block;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.model-meta {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}

.mark { color: var(--signal); font-size: 0.75em; }

.composite { min-width: 150px; }

.composite .val {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
}

.bar {
  display: block;
  height: 3px;
  background: var(--line);
  margin-top: 7px;
  width: 100%;
}

.bar-fill {
  display: block;
  height: 100%;
  width: var(--value, 0%);
  background: var(--ink);
  transition: width 0.35s ease;
}

.is-outlier .bar-fill { background: var(--signal); }

.ci {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.num {
  font-family: var(--mono);
  font-size: 12.5px;
  text-align: right;
  white-space: nowrap;
  color: var(--ink-2);
}

.num.zero { color: var(--faint); }
.num.rep { color: var(--signal); font-weight: 600; }
.num.na { color: var(--faint); }
.num .n { color: var(--faint); font-size: 10px; }

.table-footnotes {
  margin-top: 16px;
  display: grid;
  gap: 8px;
  max-width: 92ch;
}

.table-footnotes p {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}
.table-footnotes strong { color: var(--ink-2); font-weight: 600; }

.chart-details {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.chart-details summary {
  cursor: pointer;
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  list-style: none;
}
.chart-details summary::before { content: "+"; margin-right: 10px; color: var(--signal); }
.chart-details[open] summary::before { content: "–"; }
.chart-details summary:hover { color: var(--ink); }

.chart-frame { padding: 8px 18px 20px; }
.chart-frame img { width: 100%; height: auto; display: block; }

/* ---------- Findings ---------- */

.findings { display: grid; }

.finding {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 40px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.finding:first-child { border-top: 0; padding-top: 0; }

.finding-index {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--signal);
  margin-bottom: 10px;
}

.finding h3 {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.finding-body > p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 62ch;
}

.finding-data {
  align-self: start;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 6px 18px;
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.data-row:last-child { border-bottom: 0; }

.data-row span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.data-row strong {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.data-row strong.signal { color: var(--signal); }

.inline-quote {
  margin-top: 18px;
  border-left: 2px solid var(--line-2);
  padding-left: 16px;
}

.inline-quote p {
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.6;
  color: var(--ink-2);
}

.inline-quote cite {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.pair-bars { display: grid; gap: 18px; padding: 16px 0; }

.pair { display: grid; gap: 6px; }

.pair-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-2);
}

.meter {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.meter-tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: nowrap;
}

.meter i {
  display: block;
  width: var(--bar, 0%);
  min-width: 2px;
  height: 11px;
  background: var(--ink);
}

.meter i.rep-bar { background: var(--signal); }

/* ---------- Transcript log ---------- */

.log {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.log-entry {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.log-entry header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.log-agent {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.log-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.log-verdict {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid;
  border-radius: 3px;
  white-space: nowrap;
}

.verdict-silent { color: var(--signal); border-color: var(--signal-line); background: var(--signal-soft); }
.verdict-reported { color: var(--ok); border-color: var(--ok-line); background: var(--ok-soft); }

.log-entry blockquote { display: grid; gap: 10px; }

.log-entry blockquote p {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-2);
}

.log-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- Method ---------- */

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--panel);
  margin-bottom: 16px;
}

.pipeline li {
  padding: 18px 20px;
  border-left: 1px solid var(--line);
}
.pipeline li:first-child { border-left: 0; }

.pipeline-step {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--signal);
  margin-bottom: 8px;
}

.pipeline strong { display: block; font-size: 15px; font-weight: 650; margin-bottom: 4px; }
.pipeline p { font-size: 12.5px; line-height: 1.55; color: var(--muted); }

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.method-grid article {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 20px;
}

.method-label,
.action-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 12px;
}

.method-grid h3 { font-size: 16px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 8px; }
.method-grid p { font-size: 13px; line-height: 1.6; color: var(--muted); }

.formula-card {
  margin-top: 16px;
  border: 1px solid var(--line-2);
  background: var(--code-bg);
  padding: 22px 24px;
}

.formula-tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.formula-card code {
  display: block;
  background: none;
  border: 0;
  padding: 0;
  margin: 12px 0 10px;
  font-size: clamp(12px, 1.6vw, 15px);
  font-weight: 600;
  color: var(--ink);
  white-space: normal;
  line-height: 1.6;
}

.formula-card p { font-size: 12.5px; color: var(--muted); }

/* ---------- Caveats ---------- */

.caveat-list { list-style: none; }

.caveat-list li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.caveat-list li:first-child { border-top: 0; padding-top: 0; }

.caveat-list span {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--faint);
  padding-top: 3px;
}

.caveat-list h3 { font-size: 15.5px; font-weight: 650; margin-bottom: 5px; }
.caveat-list p { font-size: 13.5px; line-height: 1.6; color: var(--muted); max-width: 78ch; }

/* ---------- Interventions ---------- */

.action-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.action-grid article {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px;
}

.action-grid h3 { font-size: 17px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 10px; }
.action-grid p { font-size: 13.5px; line-height: 1.65; color: var(--muted); }

/* ---------- Next / closing ---------- */

.roadmap { list-style: none; max-width: 760px; }

.roadmap li {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink-2);
}
.roadmap li:first-child { border-top: 0; }

.roadmap span {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.closing {
  margin-top: 48px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 36px;
}

.closing p {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 56ch;
  font-weight: 500;
}

.closing-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

.button {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.button-primary { background: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--signal); border-color: var(--signal); color: var(--paper); }

.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Footer ---------- */

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 48px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: baseline;
}

.footer-brand strong { font-size: 14px; font-weight: 700; letter-spacing: -0.01em; display: block; }
.footer-brand span { font-size: 12px; color: var(--muted); }

.footer-links {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}
.footer-links a:hover { color: var(--ink); }

.footer-meta {
  width: 100%;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--faint);
  margin-top: 8px;
}

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .pipeline li:nth-child(3) { border-left: 0; }
  .pipeline li:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .spec-strip { grid-template-columns: repeat(3, 1fr); }
  .spec-strip > div:nth-child(3n + 1) { border-left: 0; }
  .spec-strip > div:nth-child(n + 4) { border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .topbar-nav { display: none; }
  .section-head-row { grid-template-columns: 1fr; gap: 14px; }
  .finding { grid-template-columns: 1fr; gap: 22px; }
  .log { grid-template-columns: 1fr; }
  .action-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .page-head { padding: 48px 18px 40px; }
  .section { padding: 44px 18px; }
  .topbar { padding: 0 18px; }
  .spec-strip { grid-template-columns: repeat(2, 1fr); }
  .spec-strip > div { border-left: 0; }
  .spec-strip > div:nth-child(2n) { border-left: 1px solid var(--line); }
  .spec-strip > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .method-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; }
  .pipeline li { border-left: 0; border-top: 1px solid var(--line); }
  .pipeline li:first-child { border-top: 0; }
  .caveat-list li { grid-template-columns: 1fr; gap: 6px; }
  .closing { padding: 26px 22px; }
  .page-head-meta { flex-direction: column; gap: 6px; }
}

/* ---------- Motion & print ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bar-fill { transition: none; }
  .button { transition: none; }
}

@media print {
  .topbar, .closing-actions, .skip-link { display: none; }
  body { background: #fff; }
  .chart-details:not([open]) .chart-frame { display: block; }
}