:root {
  --paper: #f6f7f3;
  --paper-deep: #e8ede7;
  --surface: #fffefb;
  --surface-raised: rgba(255, 254, 251, 0.9);
  --ink: #20241f;
  --ink-soft: #4d544c;
  --muted: #747b71;
  --line: rgba(32, 36, 31, 0.14);
  --line-strong: rgba(32, 36, 31, 0.28);
  --state: #2f766f;
  --state-soft: #e2efec;
  --action: #9b6429;
  --action-soft: #f1dfc9;
  --eval: #365f8d;
  --eval-soft: #e3ebf4;
  --shadow-soft: 0 10px 26px rgba(39, 34, 27, 0.06);
  --focus: rgba(47, 118, 111, 0.34);
  --font-body: "Sora", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "Geist Mono", "SFMono-Regular", Menlo, monospace;
  --content-max: 1180px;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(32, 29, 25, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(32, 29, 25, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-thumb {
  background: rgba(32, 29, 25, 0.22);
  border-radius: 999px;
}

.leaderboard-hero,
.leaderboard-main,
.site-footer {
  width: min(100% - 2rem, var(--content-max));
  margin: 0 auto;
}

.leaderboard-hero {
  display: grid;
  gap: 1.4rem;
  padding: 1.15rem 0 2rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  background: rgba(246, 247, 243, 0.88);
  backdrop-filter: blur(12px);
}

.brand,
.btn,
.eyebrow,
.section-note,
.stat-grid span,
.notice,
.controls-panel label > span,
.toggle,
.legend,
.coverage-name,
.coverage-count,
th,
td.meta-cell,
.site-footer {
  font-family: var(--font-mono);
}

.brand {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.58rem 0.95rem;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 0.75rem;
  font-weight: 700;
  transition: background 140ms, border-color 140ms, color 140ms;
}

.btn-dark {
  background: var(--ink);
  border-color: var(--ink);
  color: #fffdf8;
}

.btn-dark:hover {
  background: #383028;
  border-color: #383028;
}

.btn-outline {
  background: rgba(251, 250, 246, 0.5);
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--line-strong);
  background: rgba(251, 250, 246, 0.86);
}

.hero-copy {
  max-width: 760px;
  padding-top: 2.1rem;
}

.eyebrow {
  margin-bottom: 0.7rem;
  color: var(--state);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(36px, 7vw, 76px);
  line-height: 1.02;
}

h2 {
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.2;
}

.hero-note {
  max-width: 45rem;
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.stat-grid article,
.panel,
.notice {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-raised);
  box-shadow: var(--shadow-soft);
}

.stat-grid article {
  display: grid;
  gap: 0.35rem;
  min-height: 6.8rem;
  padding: 1rem;
}

.stat-grid span {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.stat-grid strong {
  align-self: end;
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: 600;
  line-height: 1;
}

.notice {
  padding: 0.85rem 1rem;
  border-color: rgba(155, 100, 41, 0.34);
  background: linear-gradient(180deg, var(--action-soft), rgba(251, 250, 246, 0.92));
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.leaderboard-main {
  display: grid;
  gap: 1rem;
  padding: 0 0 4rem;
}

.panel {
  padding: 0;
  overflow: hidden;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1rem 1rem 0;
  margin-bottom: 1rem;
}

.section-heading .eyebrow {
  margin-bottom: 0.35rem;
}

.section-note {
  max-width: 31rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.55;
  text-align: right;
}

.controls-panel {
  position: sticky;
  top: 4rem;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.2fr 1.1fr minmax(13rem, 1.4fr) repeat(2, minmax(9rem, 0.75fr)) minmax(11rem, 0.9fr) auto;
  gap: 0.7rem;
  align-items: end;
  padding: 1rem;
  background: rgba(255, 254, 251, 0.94);
  backdrop-filter: blur(12px);
}

.controls-panel label {
  display: grid;
  gap: 0.38rem;
  min-width: 0;
}

.controls-panel label > span {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.controls-panel input,
.controls-panel select {
  width: 100%;
  min-height: 2.65rem;
  padding: 0.62rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 29, 25, 0.04);
  color: var(--ink);
}

.controls-panel input:focus,
.controls-panel select:focus {
  border-color: var(--line-strong);
  background: rgba(251, 250, 246, 0.86);
}

.toggle {
  display: inline-flex !important;
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 2.65rem;
  padding: 0.62rem 0.78rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 29, 25, 0.04);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

.toggle span {
  color: var(--ink);
  cursor: help;
}

.toggle input {
  width: 1rem;
  min-height: 1rem;
  margin-right: 0.45rem;
  accent-color: var(--state);
}

.chart-shell {
  width: 100%;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 254, 251, 0.68);
}

#trendChart {
  display: block;
  width: 100%;
  min-width: 980px;
  height: 430px;
}

.axis-line,
.grid-line {
  stroke: rgba(32, 36, 31, 0.16);
  stroke-width: 1;
}

.axis-text {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.chart-label {
  fill: var(--ink);
  font-size: 12px;
  font-weight: 600;
}

.point {
  fill: rgba(32, 36, 31, 0.18);
  stroke: rgba(32, 36, 31, 0.2);
  stroke-width: 1;
}

.frontier-line {
  fill: none;
  stroke: #43bdb9;
  stroke-width: 2.4;
}

.frontier-point {
  fill: #55c7c3;
  stroke: #2f766f;
  stroke-width: 1.2;
}

.frontier-label {
  fill: var(--ink);
  font-size: 11px;
  font-weight: 500;
}

.empty-chart {
  fill: var(--muted);
  font-family: var(--font-body);
  font-size: 16px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.3rem;
  padding: 0.85rem 1rem 1rem;
  color: var(--ink);
  font-size: 0.78rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend i {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 999px;
}

.dot-muted {
  background: rgba(32, 36, 31, 0.2);
}

.dot-frontier {
  background: #55c7c3;
  border: 1px solid #2f766f;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.coverage-item {
  display: grid;
  gap: 0.42rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 29, 25, 0.025);
}

.coverage-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink);
}

.coverage-name,
.coverage-count {
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.3;
}

.coverage-count {
  color: var(--muted);
  white-space: nowrap;
}

.coverage-track {
  height: 0.48rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(32, 29, 25, 0.08);
}

.coverage-fill {
  height: 100%;
  min-width: 0.2rem;
  border-radius: inherit;
  background: var(--state);
}

.benchmark-notes {
  margin: 0 1rem 0.9rem;
  padding: 0.8rem;
  border: 1px solid rgba(54, 95, 141, 0.22);
  border-radius: 8px;
  background: var(--eval-soft);
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.benchmark-notes a {
  color: var(--eval);
  font-weight: 600;
}

.table-wrap {
  overflow: auto;
  border-top: 1px solid var(--line);
  background: rgba(255, 254, 251, 0.68);
}

table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  padding: 0.58rem 0.62rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #eef3ed;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

tbody tr:hover {
  background: rgba(47, 118, 111, 0.06);
}

td {
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.45;
}

.rank-cell {
  color: var(--muted);
  font-family: var(--font-mono);
}

.model-cell {
  width: auto;
}

.model-name {
  display: inline-flex;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.35;
}

.model-name:hover,
.paper-link:hover {
  color: var(--state);
}

.score-cell {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.best-score {
  background: rgba(67, 189, 185, 0.14);
}

.paper-link {
  color: var(--eval);
  font-weight: 600;
}

.paper-meta {
  display: inline;
  margin-left: 0.65rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

.meta-cell {
  color: var(--muted);
  font-size: 0.72rem;
}

.empty {
  color: rgba(116, 123, 113, 0.68);
}

#leaderboardTable th:nth-child(1),
#leaderboardTable td:nth-child(1) {
  width: 6%;
}

#leaderboardTable th:nth-child(2),
#leaderboardTable td:nth-child(2) {
  width: 24%;
}

#leaderboardTable th:nth-child(3),
#leaderboardTable td:nth-child(3) {
  width: 13%;
}

#leaderboardTable th:nth-child(4),
#leaderboardTable td:nth-child(4) {
  width: 8%;
}

#leaderboardTable th:nth-child(5),
#leaderboardTable td:nth-child(5) {
  width: 23%;
}

#leaderboardTable th:nth-child(6),
#leaderboardTable td:nth-child(6) {
  width: 13%;
}

#leaderboardTable th:nth-child(7),
#leaderboardTable td:nth-child(7) {
  width: 13%;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.4rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.74rem;
}

@media (max-width: 1060px) {
  .controls-panel {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toggle {
    justify-content: flex-start;
  }

  .coverage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .leaderboard-hero,
  .leaderboard-main,
  .site-footer {
    width: min(100% - 1.5rem, var(--content-max));
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .stat-grid,
  .controls-panel,
  .coverage-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-note {
    text-align: left;
  }

  #trendChart {
    min-width: 980px;
    height: 380px;
  }
}