:root {
  --bg: #eef2f5;
  --paper: #ffffff;
  --ink: #1f2328;
  --muted: #5e6a75;
  --line: #d7dee6;
  --navy: #112a4c;
  --navy-deep: #0c213c;
  --teal: #2a7b84;
  --teal-ink: #1a6570;
  --orange: #f09a45;
  --orange-ink: #8a4e12;
  --orange-wash: #fdecd9;
  --danger: #8a2e2e;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  --shadow: 0 1px 0 rgba(17, 42, 76, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.5;
}
img { max-width: 100%; height: auto; }
a { color: var(--teal-ink); }
a:hover { color: var(--navy); }
h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 0.4em; }
h2 { font-size: 1.7rem; margin: 0 0 0.4em; }
h3 { font-size: 1.2rem; margin: 0 0 0.3em; }
p { margin: 0 0 0.8em; }
code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: white;
  padding: 0.5rem 1rem;
}
.skip:focus { left: 0.5rem; top: 0.5rem; z-index: 5; }

.wrap { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(640px, calc(100% - 2rem)); }
.site-header { background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--line); }
.header-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  align-items: center;
  padding: 1.1rem 0 0.8rem;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}
.brand-mark { width: 48px; height: 48px; display: block; flex: none; }
.brand-name {
  display: block;
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.site-nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; align-items: center; }
.site-nav a { color: var(--navy); text-decoration: none; font-weight: 600; }
.site-nav a:hover { color: var(--teal-ink); text-decoration: underline; }
.rule-strip {
  margin: 0;
  background: var(--navy);
  color: #e7eef6;
  font-size: 0.92rem;
  padding: 0.45rem 1rem;
  text-align: center;
}
.sample-banner {
  background: var(--orange-wash);
  color: var(--orange-ink);
  border-bottom: 1px solid #f3d3ae;
}
.sample-banner .wrap { padding: 0.75rem 0; }
.sample-banner a { color: var(--orange-ink); font-weight: 700; }

main { padding: 1.5rem 0 3rem; }
.hero { padding-bottom: 0.5rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.lede { font-size: 1.2rem; max-width: 42rem; }
.sub { color: var(--muted); font-weight: 400; font-size: 0.92rem; }
.section-lead { color: var(--muted); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem;
  margin: 1.2rem 0 0;
}
.stats div {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  box-shadow: var(--shadow);
}
.stats dt { color: var(--muted); font-size: 0.82rem; }
.stats dd {
  margin: 0.15rem 0 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.7rem;
  font-variant-numeric: tabular-nums;
}

section { margin: 1.6rem 0; }
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.1rem 1.1rem 0.4rem;
  box-shadow: var(--shadow);
}
.empty-panel { border-top: 4px solid var(--orange); }

.board, .cohort {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font-variant-numeric: tabular-nums;
}
.board th, .cohort th {
  text-align: left;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.5rem;
}
.board td, .cohort td {
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0.5rem;
  vertical-align: top;
}
.num { text-align: right; font-variant-numeric: tabular-nums; }
.board th:nth-child(n+3), .board td.num { text-align: right; }
.station-link { font-weight: 700; text-decoration: none; }
.station-link:hover { text-decoration: underline; }
.sub { display: block; }
.note { color: var(--muted); font-size: 0.95rem; }
.tie {
  display: inline-block;
  margin-left: 0.3rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--orange-ink);
}

.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
}
.pill-established { color: var(--teal-ink); border-color: #b7d4d8; background: #e5f3f4; }
.pill-provisional { color: var(--orange-ink); border-color: #f3d3ae; background: var(--orange-wash); }
.pill-sample { color: var(--orange-ink); border-color: #f3d3ae; background: var(--orange-wash); }

.steps ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
  padding: 0;
  list-style: none;
}
.steps li {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  margin: 0;
}
.station-list, .source-list { list-style: none; padding: 0; }
.station-list li, .source-list li {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.7rem 0.9rem;
  margin: 0 0 0.45rem;
}
.score-hero {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 1rem;
  align-items: end;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem;
}
.big-score {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 4rem;
  line-height: 0.9;
  margin: 0.1em 0;
  font-variant-numeric: tabular-nums;
}
.bars {
  list-style: none;
  display: flex;
  gap: 0.8rem;
  align-items: end;
  padding: 0;
  min-height: 160px;
  overflow-x: auto;
}
.bars li {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  min-width: 4.5rem;
  height: 180px;
}
.bar {
  display: block;
  width: 2rem;
  background: var(--teal);
  min-height: 4px;
}
.bar-value { font-variant-numeric: tabular-nums; font-size: 0.9rem; }
.bar-label { font-size: 0.85rem; }
tr.extended { background: #f3f6f8; }

.methodology .lede { max-width: 40rem; }
.toc { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; margin: 1rem 0 1.5rem; }
.toc a { font-weight: 600; }
.methodology h2 { margin-top: 1.6rem; padding-top: 0.4rem; }

.review-form input[type="text"],
.review-form input[type="date"],
.review-form input[inputmode="decimal"],
.stack-form input {
  width: 100%;
  font: inherit;
  padding: 0.35rem 0.4rem;
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}
.form-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 0.8rem 0; }
button {
  font: inherit;
  font-weight: 600;
  background: var(--navy);
  color: #f4f7fb;
  border: 0;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}
button:hover { background: var(--navy-deep); }
button.danger { background: var(--danger); }
.form-error {
  background: #f8e8e4;
  border: 1px solid #e2b2a8;
  padding: 0.6rem 0.8rem;
}
.stack, .stack-form label { display: grid; gap: 0.3rem; font-weight: 600; }
.evidence { margin: 1rem 0; background: var(--paper); border: 1px solid var(--line); padding: 0.6rem; }
.evidence figcaption { color: var(--muted); font-size: 0.9rem; }

.marks .mark-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}
.marks figure {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.1rem 1.1rem 0.7rem;
  box-shadow: var(--shadow);
}
.marks img { display: block; width: auto; max-width: 100%; height: auto; }
.marks figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 0.65rem; }
.marks .mark-icon img { width: 96px; }
@media (min-width: 800px) {
  .marks .mark-row { grid-template-columns: 1.2fr 0.8fr; align-items: stretch; }
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  padding: 1.2rem 0 2rem;
}
.footer-warn { color: var(--orange-ink); }

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

@media (max-width: 760px) {
  .score-hero { grid-template-columns: 1fr; }
  .board thead, .cohort thead { display: none; }
  .board tr, .cohort tr {
    display: block;
    border: 1px solid var(--line);
    margin: 0 0 0.7rem;
    background: var(--paper);
    padding: 0.3rem 0.6rem 0.5rem;
  }
  .board td, .cohort td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border: 0;
    padding: 0.28rem 0;
    text-align: right;
  }
  .board td::before, .cohort td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.82rem;
    text-align: left;
  }
  .board td.num, .board th { text-align: right; }
  .sub { display: inline; }
}