:root {
  --brand-navy: #243a5e;
  --brand-cyan: #50e6ff;
  --brand-blue: #0078d4;
  --ink: #344154;
  --muted: #66758c;
  --border: #d8e0ec;
  --soft-border: #edf2f8;
  --surface: #ffffff;
  --subtle: #f6f8fb;
  --verified-bg: #eaf4ff;
  --verified-text: #005a9e;
  --pending-bg: #fff8e6;
  --pending-text: #8a6100;
  --self-bg: #f1f3f5;
  --self-text: #53606f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--subtle);
  color: var(--ink);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

.leaderboard-shell {
  min-height: 100vh;
  background: #f7f9fc;
}

button,
a {
  font: inherit;
}

.compact-hero {
  background: var(--brand-navy);
  color: #ffffff;
  padding: 22px 24px;
}

.compact-hero-inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
}

.compact-brand {
  color: var(--brand-cyan);
  font-size: 30px;
  font-weight: 650;
  line-height: 1.05;
}

.mini-nav {
  align-items: center;
  display: flex;
  gap: 6px;
}

.mini-nav a {
  align-items: center;
  border-radius: 4px;
  color: #eaf4ff;
  display: inline-flex;
  font-size: 14px;
  font-weight: 550;
  gap: 7px;
  padding: 7px 10px;
  text-decoration: none;
}

.mini-nav a.active,
.mini-nav a:hover {
  background: rgba(80, 230, 255, 0.14);
  color: var(--brand-cyan);
}

.page-shell {
  max-width: 1228px;
  margin: 24px auto 64px;
  padding: 0 24px;
}

.leaderboard-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(36, 58, 94, 0.08);
  overflow: hidden;
}

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

.track-row {
  display: flex;
  align-items: center;
  background: #f9fbfe;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--brand-navy);
  font-size: 13px;
  font-weight: 550;
  text-decoration: none;
  white-space: nowrap;
}

.toolbar-link:hover {
  background: #eff7ff;
  border-color: #b9dcf8;
  color: var(--brand-blue);
}

.toolbar-link.primary {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.track-tabs {
  display: flex;
  gap: 4px;
}

.track-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 17px 18px 14px;
  font-size: 15px;
  font-weight: 600;
}

.track-tab:hover {
  color: var(--brand-blue);
}

.track-tab.active {
  color: var(--brand-blue);
  border-bottom-color: var(--brand-blue);
}

.domain-row {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 14px;
  padding: 12px 24px;
}

.domain-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.domain-options {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.domain-option {
  align-items: center;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  font-size: 12px;
  font-weight: 550;
  gap: 7px;
  line-height: 1;
  white-space: nowrap;
}

.domain-option:hover {
  color: var(--brand-blue);
}

.domain-option input {
  accent-color: var(--brand-blue);
  height: 14px;
  margin: 0;
  width: 14px;
}

.domain-option:has(input:checked) {
  color: var(--brand-blue);
}

.table-wrap {
  overflow-x: auto;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.leaderboard-table th {
  background: #eef5fb;
  border-bottom: 1px solid var(--border);
  color: #52647b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 11px 10px;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
}

.leaderboard-table td {
  border-bottom: 1px solid var(--soft-border);
  padding: 14px 10px;
  vertical-align: middle;
}

.leaderboard-table th:nth-child(1),
.leaderboard-table td:nth-child(1) {
  width: 58px;
  text-align: left;
}

.leaderboard-table th:nth-child(2),
.leaderboard-table td:nth-child(2) {
  width: 26%;
}

.leaderboard-table th:nth-child(3),
.leaderboard-table td:nth-child(3) {
  width: 15%;
}

.leaderboard-table th:nth-child(4),
.leaderboard-table td:nth-child(4) {
  width: 122px;
  text-align: left;
}

.leaderboard-table th:nth-child(5),
.leaderboard-table td:nth-child(5) {
  width: 96px;
  text-align: left;
}

.leaderboard-table th:nth-child(6),
.leaderboard-table td:nth-child(6) {
  width: 82px;
  text-align: left;
}

.leaderboard-table th:nth-child(7),
.leaderboard-table td:nth-child(7) {
  width: 110px;
  text-align: left;
}

.leaderboard-table th:nth-child(8),
.leaderboard-table td:nth-child(8) {
  width: 104px;
  text-align: left;
}

.leaderboard-table td:nth-child(8) {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.leaderboard-table th:nth-child(9),
.leaderboard-table td:nth-child(9) {
  width: 112px;
  text-align: left;
}

.leaderboard-table tbody tr:hover {
  background: #fbfdff;
}

.leaderboard-table tbody tr:nth-child(even) {
  background: #fcfdff;
}

.rank-col,
.rank-cell {
  width: 64px;
  text-align: left;
}

.rank-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #eef4fb;
  color: var(--brand-navy);
  font-weight: 700;
}

.rank-pill.top {
  background: var(--brand-navy);
  color: var(--brand-cyan);
}

.model-name {
  display: block;
  color: var(--ink);
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-variant {
  color: var(--muted);
  font-weight: 500;
}

.metric {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  text-align: left;
  white-space: nowrap;
}

.metric-main {
  display: inline-block;
  min-width: 34px;
  text-align: left;
}

.metric-std {
  color: var(--muted);
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  min-width: 44px;
  text-align: left;
}

.empty-state {
  color: var(--muted);
  font-size: 14px;
  padding: 34px 24px;
  text-align: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.status-verified {
  background: var(--verified-bg);
  color: var(--verified-text);
}

.status-pending {
  background: var(--pending-bg);
  color: var(--pending-text);
}

.status-self_reported {
  background: var(--self-bg);
  color: var(--self-text);
}

.sort-button {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  display: block;
  font-weight: 650;
  letter-spacing: inherit;
  padding: 0;
  text-align: inherit;
  text-transform: inherit;
  line-height: 1.2;
  white-space: normal;
  width: 100%;
}

.sort-button:hover,
.sort-button.active {
  color: var(--brand-blue);
}

.sort-button.active::after {
  content: " ↓";
  color: var(--brand-blue);
}

.sort-button.active.asc::after {
  content: " ↑";
}

.table-footer {
  display: flex;
  justify-content: center;
  padding: 20px 32px 28px;
}

.toggle-button {
  min-width: 140px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #ffffff;
  color: var(--brand-blue);
  cursor: pointer;
  font-size: 13px;
  font-weight: 550;
  padding: 8px 15px;
}

.toggle-button:hover {
  border-color: var(--brand-blue);
  background: #eff7ff;
}

.toggle-button[hidden] {
  display: none;
}

@media (max-width: 720px) {
  .page-shell {
    padding: 0 14px;
  }

  .compact-hero-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .mini-nav {
    flex-wrap: wrap;
  }

  .track-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 18px 16px;
    gap: 10px;
  }

  .toolbar-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .domain-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 18px;
  }

  .leaderboard-table {
    min-width: 880px;
  }
}