/* Hallmark · genre: modern-minimal · macrostructure: Split Studio · theme: Cobalt-Paper · enrichment: none · nav: N1b · footer: Ft2
 * pre-emit critique: P5 H5 E5 S5 R5 V5
 */

:root {
  --color-paper: oklch(98.5% 0.003 235);
  --color-paper-2: oklch(95.8% 0.005 235);
  --color-surface: oklch(100% 0 0);
  --color-ink: oklch(17% 0.016 242);
  --color-ink-2: oklch(39% 0.014 242);
  --color-muted: oklch(55% 0.011 242);
  --color-rule: oklch(90% 0.007 238);
  --color-rule-strong: oklch(81% 0.01 238);
  --color-accent: oklch(43% 0.13 232);
  --color-accent-hover: oklch(36% 0.135 232);
  --color-accent-soft: oklch(95% 0.02 232);

  --bg-page: var(--color-paper);
  --bg-surface: var(--color-surface);
  --bg-subtle: var(--color-paper-2);
  --text-primary: var(--color-ink);
  --text-secondary: var(--color-ink-2);
  --text-muted: var(--color-muted);
  --accent-primary: var(--color-accent);
  --brand-primary: var(--color-accent);
  --border-subtle: var(--color-rule);
  --border-strong: var(--color-rule-strong);

  --font-serif: "Newsreader", Georgia, serif;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius-sm: 5px;
  --radius-md: 7px;
  --radius-lg: 10px;
  --container-max: 1320px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: var(--color-paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.84em;
}

code {
  background: var(--color-paper-2);
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  color: var(--color-ink);
}

/* ==========================================================================
   Top Navigation Bar
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: oklch(100% 0 0 / 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-rule);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-lockup {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  height: 100%;
}

.nav-tab-btn {
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  height: 60px;
  padding: 0 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--color-ink-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.nav-tab-btn:hover {
  color: var(--color-ink);
}

.nav-tab-btn.active {
  color: var(--color-ink);
  font-weight: 600;
  border-bottom-color: var(--color-ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.preview-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-paper-2);
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.public-view-link {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-ink-2);
  text-decoration: none;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: border-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.public-view-link:hover {
  color: var(--color-ink);
  border-color: var(--color-rule-strong);
}

/* ==========================================================================
   Main Page Container & Typography
   ========================================================================== */

.page-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 3rem 2rem 4.5rem 2rem;
  min-height: calc(100vh - 140px);
}

.editorial-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.6rem 0;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-rule);
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 2.5vw + 0.5rem, 2.4rem);
  font-weight: 600;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--color-ink);
  margin: 0;
}

.page-sub {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-ink-2);
  margin: 0.5rem 0 0 0;
  max-width: 62ch;
}

.page-head-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.sub-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 1rem 0;
}

/* ==========================================================================
   Buttons & Interactive Controls
   ========================================================================== */

.btn-primary-cta {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--color-ink);
  color: var(--color-surface);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: 0.52rem 1.05rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease-out), transform 120ms var(--ease-out);
}

.btn-primary-cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.btn-secondary:hover {
  background: var(--color-paper-2);
  border-color: var(--color-ink-2);
}

.btn-text-link {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0.5rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-ink-2);
  cursor: pointer;
  white-space: nowrap;
  transition: color 160ms var(--ease-out);
}

.btn-text-link:hover {
  color: var(--color-ink);
}

.breadcrumb-back-btn {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted);
  cursor: pointer;
  transition: color 160ms var(--ease-out);
}

.breadcrumb-back-btn:hover {
  color: var(--color-ink);
}

/* ==========================================================================
   1. Home Page — Asymmetric Split Hero & 4-Column Resource Strip
   ========================================================================== */

.editorial-hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 3.5rem;
  align-items: center;
  padding: 0.75rem 0 3rem 0;
  border-bottom: 1px solid var(--color-rule);
}

.editorial-hero-art {
  display: flex;
  align-items: center;
  justify-content: center;
}

.editorial-hero-img {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: block;
  mix-blend-mode: multiply;
}

.editorial-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 3.8vw + 0.6rem, 3.5rem);
  font-weight: 500;
  font-style: normal;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  margin: 0 0 1.15rem 0;
  max-width: 20ch;
}

.editorial-lede {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  line-height: 1.62;
  color: var(--color-ink-2);
  margin: 0 0 1.85rem 0;
  max-width: 54ch;
}

.editorial-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.editorial-stat-column {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-rule);
}

.editorial-stat-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--color-rule);
}

.editorial-stat-num {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.editorial-stat-desc {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-muted);
  text-align: right;
}

.resource-index-section {
  padding-top: 2.5rem;
}

.resource-index-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.resource-cell {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.4rem 1.4rem;
  text-decoration: none;
  color: inherit;
  border-right: 1px solid var(--color-rule);
  transition: background-color 160ms var(--ease-out);
}

.resource-cell:last-child {
  border-right: none;
}

.resource-cell:hover {
  background-color: var(--color-paper);
}

.resource-cell-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.resource-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.resource-status {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--color-ink-2);
  background: var(--color-paper-2);
  padding: 0.14rem 0.45rem;
  border-radius: 4px;
}

.resource-cell h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 0.35rem 0;
}

.resource-cell p {
  font-size: 0.83rem;
  line-height: 1.5;
  color: var(--color-ink-2);
  margin: 0 0 1.25rem 0;
  flex: 1;
}

.resource-link-line {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--color-accent);
}

/* ==========================================================================
   2. About Page — 3-Column Spec Grid
   ========================================================================== */

.spec-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.spec-block {
  padding: 1.6rem;
  border-right: 1px solid var(--color-rule);
}

.spec-block:last-child {
  border-right: none;
}

.spec-block h3 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 1.1rem 0;
}

.spec-dl {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.spec-dl div {
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-rule);
}

.spec-dl dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

.spec-dl dd {
  margin: 0;
  font-size: 0.86rem;
  color: var(--color-ink-2);
  line-height: 1.5;
}

/* ==========================================================================
   3A. Leaderboards Hub Cards
   ========================================================================== */

.leaderboard-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 440px));
  gap: 1.25rem;
}

.leaderboard-suite-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.65rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  transition: border-color 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.leaderboard-suite-card:hover {
  border-color: var(--color-ink);
  transform: translateY(-1px);
}

.lsc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.lsc-title {
  font-family: var(--font-serif);
  font-size: 1.32rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0;
}

.lsc-desc {
  font-size: 0.86rem;
  color: var(--color-ink-2);
  line-height: 1.55;
  margin: 0;
}

.lsc-footer {
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-rule);
  font-size: 0.82rem;
}

.lsc-cta {
  font-weight: 500;
  color: var(--color-accent);
}

/* ==========================================================================
   3B. CAMELS-US Leaderboard Shell, Tabs, Figure Stage & Data Table
   ========================================================================== */

.lb-tabs-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.minimal-tabs-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1.25rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-rule);
  flex-wrap: wrap;
}

.minimal-tabs-row.forcing-tabs-bar {
  background: var(--color-paper);
  padding: 0.45rem 1.25rem;
}

.minimal-tabs-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-right: 0.4rem;
  min-width: 52px;
}

.minimal-tab-btn {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-ink-2);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out);
}

.minimal-tab-btn:hover {
  color: var(--color-ink);
  background: var(--color-paper-2);
}

.minimal-tab-btn.active {
  background: var(--color-ink);
  color: var(--color-surface);
}

.na-pill {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  padding: 0.05rem 0.32rem;
  border-radius: 3px;
  background: var(--color-paper-2);
  color: var(--color-muted);
}

.minimal-tab-btn.active .na-pill {
  background: oklch(100% 0 0 / 0.2);
  color: var(--color-surface);
}

.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.6rem 1.25rem;
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-surface);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.65rem;
  color: var(--color-muted);
  pointer-events: none;
}

.search-input {
  appearance: none;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 0.36rem 0.7rem 0.36rem 1.95rem;
  font-family: var(--font-sans);
  font-size: 0.81rem;
  color: var(--color-ink);
  min-width: 200px;
}

.search-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.filter-select {
  appearance: none;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 0.36rem 0.7rem;
  font-family: var(--font-sans);
  font-size: 0.81rem;
  color: var(--color-ink);
  cursor: pointer;
}

.pill-filter-row {
  display: inline-flex;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pill-btn {
  appearance: none;
  border: none;
  border-right: 1px solid var(--color-rule);
  background: var(--color-surface);
  color: var(--color-ink-2);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
}

.pill-btn:last-child {
  border-right: none;
}

.pill-btn.active {
  background: var(--color-paper-2);
  color: var(--color-ink);
  font-weight: 600;
}

/* Active Leaderboard Header & Figure Stage */

.leaderboard-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-surface);
}

.lb-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.lb-panel-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0;
}

.lb-table-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-ink-2);
  background: var(--color-paper-2);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.lb-regime-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-muted);
}

.lb-header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.seg-control {
  display: inline-flex;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-paper);
}

.seg-btn {
  appearance: none;
  border: none;
  border-right: 1px solid var(--color-rule);
  background: transparent;
  color: var(--color-ink-2);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  padding: 0.28rem 0.65rem;
  cursor: pointer;
  white-space: nowrap;
}

.seg-btn:last-child {
  border-right: none;
}

.seg-btn.active {
  background: var(--color-ink);
  color: var(--color-surface);
}

.lb-figure-stage {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-surface);
  padding: 1rem 1.25rem;
  text-align: center;
}

.lb-figure-img {
  max-width: 100%;
  max-height: 390px;
  width: auto;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Data Table */

.table-scroll-wrap {
  width: 100%;
  overflow-x: auto;
}

.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
}

.lb-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  padding: 0.65rem 0.85rem;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-rule);
  white-space: nowrap;
  user-select: none;
  transition: color 120ms ease, background-color 120ms ease;
}

.lb-table thead th.sortable-th {
  cursor: pointer;
}

.lb-table thead th.sortable-th:hover {
  color: var(--color-ink);
  background: var(--color-paper-2);
}

.lb-table thead th.active-sort-th {
  color: var(--color-accent);
  box-shadow: inset 0 -2px 0 var(--color-accent);
}

.sort-arrow {
  display: inline-block;
  margin-left: 0.22rem;
  font-size: 0.66rem;
  opacity: 0.9;
}

.lb-table th.num-col,
.lb-table td.num-col {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.81rem;
}

.lb-table tbody tr {
  border-bottom: 1px solid var(--color-rule);
  transition: background-color 120ms ease;
}

.lb-table tbody tr:last-child {
  border-bottom: none;
}

.lb-table tbody tr:hover {
  background: var(--color-paper);
}

.lb-table tbody tr.selected-row {
  background: var(--color-accent-soft);
}

.lb-table td {
  padding: 0.68rem 0.85rem;
  vertical-align: middle;
}

.rank-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--color-muted);
}

.rank-badge.rank-1 {
  color: var(--color-ink);
  font-weight: 700;
}

.model-cell-main {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.model-name-btn {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
}

.model-name-btn:hover {
  color: var(--color-accent);
}

.model-cite-inline {
  font-size: 0.74rem;
  color: var(--color-muted);
}

.cat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.69rem;
  font-weight: 500;
  color: var(--color-ink-2);
  background: var(--color-paper-2);
  padding: 0.14rem 0.45rem;
  border-radius: 4px;
  white-space: nowrap;
}

.cat-badges-wrap {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.forcing-cell {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-ink-2);
}

.nse-score-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.nse-primary-val {
  font-weight: 600;
  color: var(--color-ink);
}

.nse-bar-track {
  width: 48px;
  height: 3px;
  background: var(--color-rule);
  border-radius: 2px;
  overflow: hidden;
}

.nse-bar-fill {
  height: 100%;
  background: var(--color-accent);
}

.muted-dash {
  color: var(--color-muted);
}

.btn-row-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-ink-2);
  text-decoration: none;
  padding: 0.2rem 0.48rem;
  border: 1px solid var(--color-rule);
  border-radius: 4px;
  background: var(--color-surface);
  white-space: nowrap;
  transition: border-color 140ms ease, color 140ms ease;
}

.btn-row-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-row-absent {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.btn-cdf {
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-rule);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-ink-2);
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}

.btn-cdf:hover {
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.empty-table-cell {
  padding: 2.5rem 1.5rem !important;
  text-align: center;
}

.empty-table-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

/* Nonexistent PUB/PUR Lagged Streamflow Notice */

.nonexistent-regime-banner {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: var(--color-paper);
}

.nonexistent-regime-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.nonexistent-regime-text {
  font-size: 0.86rem;
  color: var(--color-ink-2);
  margin: 0 0 1rem 0;
  max-width: 60ch;
}

.nonexistent-regime-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Inspector Drawer */

.inspector-drawer {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.inspector-drawer.open {
  display: block;
}

.inspector-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 0.9rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-rule);
}

.inspector-header h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 0;
}

.lb-subtitle {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin: 0.2rem 0 0 0;
}

.inspector-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
}

.chart-box {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: var(--color-paper);
}

.chart-box h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin: 0 0 0.75rem 0;
}

/* ==========================================================================
   4. Participating Models (Table 2)
   ========================================================================== */

.leaderboard-section-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.model-type-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.model-type-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  font-size: 0.74rem;
  font-weight: 500;
  padding: 0.22rem 0.62rem;
  border-radius: 6px;
  border: 1px solid var(--color-rule);
  background: var(--color-surface);
  color: var(--color-ink);
  white-space: nowrap;
}

.model-type-pill .type-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.model-type-pill.type-ml {
  background: #edf8f2;
  border-color: #b7e1cb;
}
.model-type-pill.type-ml .type-dot { background: #1f7a54; }

.model-type-pill.type-hybrid {
  background: #f3effc;
  border-color: #d4c5f4;
}
.model-type-pill.type-hybrid .type-dot { background: #6b46c1; }

.model-type-pill.type-conceptual {
  background: #ecf5fc;
  border-color: #bcd9f2;
}
.model-type-pill.type-conceptual .type-dot { background: #1d6fa5; }

.model-type-pill.type-process {
  background: #fdf4e8;
  border-color: #f0d2ab;
}
.model-type-pill.type-process .type-dot { background: #b7651b; }

.model-type-pill.type-statistical {
  background: #fbf0f4;
  border-color: #ebbfd0;
}
.model-type-pill.type-statistical .type-dot { background: #a33b5c; }

/* Color-coded rows in Participating Models table */
.models-registry-table tbody tr.model-row-colored td:first-child {
  border-left: 4px solid transparent;
}

.models-registry-table tbody tr.row-type-ml {
  background-color: #f2faf6;
}
.models-registry-table tbody tr.row-type-ml:hover {
  background-color: #e6f5ed;
}
.models-registry-table tbody tr.row-type-ml td:first-child {
  border-left-color: #1f7a54;
}

.models-registry-table tbody tr.row-type-hybrid {
  background-color: #f6f3fd;
}
.models-registry-table tbody tr.row-type-hybrid:hover {
  background-color: #ede6fa;
}
.models-registry-table tbody tr.row-type-hybrid td:first-child {
  border-left-color: #6b46c1;
}

.models-registry-table tbody tr.row-type-conceptual {
  background-color: #f1f7fd;
}
.models-registry-table tbody tr.row-type-conceptual:hover {
  background-color: #e4f0fb;
}
.models-registry-table tbody tr.row-type-conceptual td:first-child {
  border-left-color: #1d6fa5;
}

.models-registry-table tbody tr.row-type-process {
  background-color: #fef8f0;
}
.models-registry-table tbody tr.row-type-process:hover {
  background-color: #fbf0df;
}
.models-registry-table tbody tr.row-type-process td:first-child {
  border-left-color: #b7651b;
}

.models-registry-table tbody tr.row-type-statistical {
  background-color: #fcf3f6;
}
.models-registry-table tbody tr.row-type-statistical:hover {
  background-color: #f7e6ec;
}
.models-registry-table tbody tr.row-type-statistical td:first-child {
  border-left-color: #a33b5c;
}

.participating-boards-list {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.board-jump-pill {
  appearance: none;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  color: var(--color-ink-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.16rem 0.45rem;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}

.board-jump-pill:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ==========================================================================
   5. Contribute a Model & 7. Community Discussion
   ========================================================================== */

.contrib-layout-grid,
.comments-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: start;
}

.clean-rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-rule);
}

.clean-rule-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-rule);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.clean-rule-list strong {
  font-size: 0.9rem;
  color: var(--color-ink);
}

.clean-rule-list span {
  font-size: 0.84rem;
  color: var(--color-ink-2);
  line-height: 1.5;
}

.clean-rule-list a,
.checklist-label a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}

.clean-rule-list a:hover,
.checklist-label a:hover {
  color: var(--color-accent-hover);
}

.workbench-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.4rem;
}

.upload-dropzone {
  border: 1px dashed var(--color-rule-strong);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  background: var(--color-paper);
  cursor: pointer;
}

.dropzone-title {
  font-size: 0.83rem;
  color: var(--color-ink-2);
}

.family-link-btn {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: underline;
  cursor: pointer;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-ink-2);
}

.form-field input,
.form-field select,
.form-field textarea {
  appearance: none;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 0.44rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.83rem;
  color: var(--color-ink);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.checklist-box {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
  padding: 0.85rem 0;
  margin-bottom: 0.9rem;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

.checklist-header {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.15rem;
}

.checklist-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-ink-2);
  cursor: pointer;
  line-height: 1.45;
}

.checklist-label input[type="checkbox"] {
  margin-top: 0.18rem;
  flex-shrink: 0;
}

.score-preview-card {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
}

.score-preview-card.visible {
  display: block;
}

.score-metrics-strip {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.score-metric-box {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: 4px;
  padding: 0.45rem;
  text-align: center;
}

.score-metric-box .m-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-muted);
}

.score-metric-box .m-val {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-ink);
}

/* ==========================================================================
   6. Publications
   ========================================================================== */

.publication-row {
  max-width: 720px;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-rule);
}

.publication-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.publication-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 0.25rem 0;
}

.publication-authors {
  font-size: 0.9rem;
  color: var(--color-ink-2);
  margin: 0 0 0.9rem 0;
}

.publication-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   7. Community Discussion Channels & Cards
   ========================================================================== */

.channel-pills-bar {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.channel-pill-btn {
  appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 0.32rem 0.7rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-ink-2);
  cursor: pointer;
}

.channel-pill-btn.active {
  background: var(--color-ink);
  color: var(--color-surface);
  border-color: var(--color-ink);
}

.comment-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   Footer & Modal
   ========================================================================== */

.site-footer {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--color-ink-2);
}

.footer-links-inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.footer-links-inline a {
  color: var(--color-ink-2);
  text-decoration: none;
}

.footer-links-inline a:hover {
  color: var(--color-ink);
}

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 400;
  background: oklch(18% 0.02 242 / 0.45);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-rule);
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0;
}

.modal-close-btn {
  appearance: none;
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--color-muted);
  cursor: pointer;
}

.modal-body {
  padding: 1.25rem;
}

@media (max-width: 960px) {
  .editorial-hero,
  .spec-grid-3,
  .contrib-layout-grid,
  .comments-layout-grid,
  .inspector-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .spec-block {
    border-right: none;
    border-bottom: 1px solid var(--color-rule);
  }
  .resource-index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .resource-cell:nth-child(2) {
    border-right: none;
  }
  .resource-cell:nth-child(1),
  .resource-cell:nth-child(2) {
    border-bottom: 1px solid var(--color-rule);
  }
  .header-inner {
    height: auto;
    padding: 0.75rem 1.25rem;
    flex-wrap: wrap;
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    border-top: 1px solid var(--color-rule);
  }
  .nav-tab-btn {
    height: 44px;
  }
}

@media (max-width: 600px) {
  .resource-index-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .resource-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-rule);
  }
}