:root {
  --bg: #0b0d12;
  --bg-elev: #12151c;
  --bg-elev-2: #1a1e28;
  --fg: #f5f1e8;
  --fg-muted: #9aa0ad;
  --fg-dim: #6b7180;
  --accent: #f5c542;
  --border: #262b36;
  --radius: 10px;

  --grade-s: #39d98a;
  --grade-a: #8ed672;
  --grade-b: #e4c65b;
  --grade-c: #e69a4c;
  --grade-d: #d96c4c;
  --grade-f: #c0392b;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 600;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: var(--fg);
  color: var(--bg);
  border-radius: 8px;
  font-family: Georgia, serif;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}
.site-nav a { color: var(--fg-muted); }
.site-nav a:hover { color: var(--fg); text-decoration: none; }
.site-nav .nav-repo { color: var(--fg); }

/* ---------- Hero ---------- */

.hero {
  padding: 60px 24px 28px;
}

.hero .eyebrow {
  color: var(--fg-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin: 0 0 10px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
  font-weight: 700;
}

.hero .lede {
  color: var(--fg-muted);
  max-width: 62ch;
  font-size: 1.08rem;
  margin: 0 0 20px;
}

.hero .meta {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin: 0;
}

.hero .meta .dot { margin: 0 8px; color: var(--border); }

/* ---------- Controls ---------- */

.controls {
  display: flex;
  gap: 18px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 20px;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.controls select {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.95rem;
  min-width: 160px;
}

/* ---------- Ranking ---------- */

.ranking {
  padding: 28px 24px 40px;
}

.status {
  color: var(--fg-muted);
  padding: 20px 4px;
  font-size: 0.95rem;
}
.status.error { color: var(--grade-d); }

.ranking-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.row {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.row.pending {
  background: transparent;
  border-style: dashed;
}

.row.pending .name {
  color: var(--fg-muted);
  font-weight: 500;
}

.row.pending .col-rank,
.row.pending .col-score .score-num {
  color: var(--fg-dim);
}

.row-divider {
  list-style: none;
  margin: 22px 0 4px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fg-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.row-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--border);
}
.ranking-list > .row-divider:first-child { margin-top: 0; }

.row-head {
  display: grid;
  grid-template-columns: 52px 1fr 90px 110px 28px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  background: transparent;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.row-head:hover { background: var(--bg-elev-2); }
.row-head[aria-expanded="true"] { background: var(--bg-elev-2); }
.row-head[aria-expanded="true"] .col-chevron { transform: rotate(180deg); }

.col-rank {
  font-variant-numeric: tabular-nums;
  color: var(--fg-dim);
  font-size: 0.95rem;
}

.col-name .name { display: block; font-size: 1.05rem; }
.col-name .category {
  display: block;
  color: var(--fg-dim);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.grade-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.2rem;
  font-family: Georgia, serif;
  color: var(--bg);
  background: var(--grade-c);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.12);
}

.grade-pill[data-grade="S"] { background: var(--grade-s); }
.grade-pill[data-grade="A"] { background: var(--grade-a); }
.grade-pill[data-grade="B"] { background: var(--grade-b); }
.grade-pill[data-grade="C"] { background: var(--grade-c); }
.grade-pill[data-grade="D"] { background: var(--grade-d); color: var(--fg); }
.grade-pill[data-grade="F"] { background: var(--grade-f); color: var(--fg); }

.grade-pill[data-grade="pending"] {
  width: auto;
  height: 28px;
  padding: 0 12px;
  border-radius: 14px;
  background: transparent;
  color: var(--fg-dim);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px var(--border);
}

.col-score {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.col-score .score-num { font-size: 1.3rem; font-weight: 600; }
.col-score .score-label { color: var(--fg-dim); font-size: 0.85rem; }

.col-chevron {
  color: var(--fg-dim);
  transition: transform 0.15s ease;
  font-size: 0.9rem;
  justify-self: end;
}

/* ---------- Row body ---------- */

.row-body {
  padding: 6px 22px 24px;
  border-top: 1px solid var(--border);
}

.row-body .summary {
  color: var(--fg);
  margin: 16px 0 18px;
}

.factors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 22px;
  margin-bottom: 20px;
}

.factor {
  display: grid;
  grid-template-columns: 1fr 44px;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.factor-label { color: var(--fg-muted); }
.factor-value { color: var(--fg); font-variant-numeric: tabular-nums; text-align: right; }

.factor-bar {
  grid-column: 1 / -1;
  height: 4px;
  background: var(--bg-elev-2);
  border-radius: 2px;
  overflow: hidden;
}
.factor-bar > span {
  display: block;
  height: 100%;
  background: var(--accent);
}

.lists {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 20px;
}

.lists h4,
.evidence h4 {
  margin: 0 0 8px;
  color: var(--fg-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.lists ul,
.evidence ul {
  margin: 0;
  padding-left: 18px;
  color: var(--fg);
}

.lists li { margin-bottom: 4px; }

.list-highlights li::marker { color: var(--grade-s); }
.list-concerns li::marker { color: var(--grade-d); }

.evidence ul { list-style: none; padding-left: 0; }
.evidence li { margin-bottom: 6px; font-size: 0.93rem; }
.evidence li .factor-tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.audit-meta { color: var(--fg-dim); margin-top: 14px; }

/* ---------- Methodology ---------- */

.methodology {
  padding: 36px 24px 60px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.methodology h2 {
  font-size: 1.4rem;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.methodology p {
  color: var(--fg-muted);
  max-width: 68ch;
  margin: 0 0 12px;
}

.methodology-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 18px;
  font-size: 0.95rem;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 0.9rem;
  padding: 28px 0;
}
.site-footer p { margin: 0 0 6px; }
.site-footer .small { font-size: 0.82rem; }

/* ---------- Utilities ---------- */

.small { font-size: 0.82rem; }

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

@media (max-width: 680px) {
  .site-nav { display: none; }

  .row-head {
    grid-template-columns: 36px 1fr 64px 70px;
  }
  .row-head .col-chevron { display: none; }
  .grade-pill { width: 36px; height: 36px; font-size: 1rem; }
  .col-score .score-num { font-size: 1.1rem; }
  .col-score .score-label { display: none; }

  .lists { grid-template-columns: 1fr; }
}