/* ===================================================================
   K-Bench Leaderboard — Hugging Face Space Stylesheet
   Inherited palette from saberyu.pro/kbench/
   =================================================================== */

:root {
  --paper: #f7f5ef;
  --paper-card: #ffffff;
  --paper-card-subtle: #faf8f2;
  --ink: #203a3c;
  --ink-light: #325557;
  --muted: #677371;
  --muted-light: #8b9795;
  --line: #dadfd6;
  --line-strong: #c2c9bd;
  --soft: #eeeee6;
  --coral: #b65137;
  --coral-soft: #faebe7;
  --coral-deep: #963520;
  --teal: #38655f;
  --teal-soft: #e7f2ef;
  --teal-deep: #1f4741;
  --amber: #b86830;
  --amber-soft: #fceddf;
  --slate: #536765;
  --slate-soft: #edf1f0;

  --font-serif: Georgia, 'Times New Roman', 'Songti SC', 'Noto Serif CJK SC', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 3px rgba(32, 58, 60, 0.05);
  --shadow-md: 0 4px 12px rgba(32, 58, 60, 0.07);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Numeric alignment & typography */
.num, td.num, th.num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.25;
  margin: 0;
}

p {
  margin: 0;
  color: var(--muted);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  touch-action: manipulation;
}

button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

/* Page wrapper */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

@media (max-width: 640px) {
  .wrap {
    padding-inline: 16px;
  }
}

/* -------------------------------------------------------------------
   Header & Top Bar
   ------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.2px;
}

.brand:hover {
  text-decoration: none;
}

.brand-icon {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  background: var(--ink);
  color: var(--paper);
  width: 38px;
  height: 38px;
  display: grid;
  place-content: center;
  border-radius: var(--radius-sm);
  position: relative;
  user-select: none;
}

.brand-icon span {
  color: #e7a17f;
  position: absolute;
  right: 6px;
  bottom: 3px;
  font-size: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-sub {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--muted);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(56, 101, 95, 0.2);
}

.status-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

/* -------------------------------------------------------------------
   Hero Section
   ------------------------------------------------------------------- */
.hero-section {
  padding-block: 42px 28px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.hero-title {
  font-size: clamp(32px, 4.2vw, 46px);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--ink);
}

.hero-title span {
  color: var(--coral);
}

.hero-desc {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.55;
  color: var(--ink-light);
  max-width: 820px;
  margin-bottom: 24px;
}

/* Pill styling matching project site */
.pills-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none !important;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.pill-link:hover {
  transform: translateY(-1px);
}

.pill-teal {
  background: #ffffff;
  color: var(--teal-deep);
  border: 1px solid rgba(56, 101, 95, 0.35);
}

.pill-teal:hover {
  background: var(--teal-soft);
  border-color: var(--teal);
}

.pill-coral {
  background: #ffffff;
  color: var(--coral-deep);
  border: 1px solid rgba(182, 81, 55, 0.35);
}

.pill-coral:hover {
  background: var(--coral-soft);
  border-color: var(--coral);
}

.pill-link span.arrow {
  font-size: 11px;
  opacity: 0.8;
}

/* Stat Tiles */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.fact-tile {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}

.fact-tile strong {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1;
  color: var(--ink);
  display: block;
  margin-bottom: 6px;
}

.fact-tile .fact-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-light);
  display: block;
}

.fact-tile .fact-sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
  display: block;
}

/* -------------------------------------------------------------------
   Section Typography & Layout
   ------------------------------------------------------------------- */
.section {
  padding-block: 48px;
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 24px;
}

.section-title {
  font-size: clamp(24px, 2.8vw, 32px);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.6;
}

/* -------------------------------------------------------------------
   Controls & Selectors
   ------------------------------------------------------------------- */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.control-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.control-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-right: 4px;
}

.btn-pill-group {
  display: inline-flex;
  flex-wrap: wrap;
  max-width: 100%;
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 3px;
  border-radius: var(--radius-pill);
}

.btn-pill {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--radius-pill);
  transition: all 0.15s ease;
  white-space: nowrap;
}

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

.btn-pill.active {
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(32, 58, 60, 0.2);
}

/* -------------------------------------------------------------------
   Substrate Matrix (Hero Table)
   ------------------------------------------------------------------- */
.matrix-container {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.matrix-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding: 14px 18px;
  background: var(--paper-card-subtle);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}

.legend-title {
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-light);
}

.legend-tag {
  display: inline-block;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 3px;
  line-height: 1.2;
}

/* Table Scroll Container */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.kbench-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  white-space: nowrap;
}

.kbench-table th {
  background: var(--paper-card-subtle);
  padding: 12px 16px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  border-bottom: 2px solid var(--line);
  text-align: left;
  user-select: none;
}

.kbench-table th.sortable {
  cursor: pointer;
  transition: color 0.15s ease;
}

.kbench-table th.sortable:hover {
  color: var(--ink);
  background: var(--soft);
}

.kbench-table th .sort-icon {
  margin-left: 4px;
  font-size: 10px;
  opacity: 0.4;
}

.kbench-table th.sorted .sort-icon {
  opacity: 1;
  color: var(--coral);
}

.kbench-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  vertical-align: middle;
}

.kbench-table tbody tr {
  transition: background-color 0.12s ease;
}

.kbench-table tbody tr:hover {
  background-color: rgba(247, 245, 239, 0.7);
}

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

/* Matrix Column Headers */
.th-substrate {
  text-align: center !important;
  min-width: 170px;
}

.th-substrate-code {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  display: block;
}

.th-substrate-name {
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
  display: block;
  margin-top: 2px;
}

/* Matrix Cell Content */
.matrix-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px;
}

.matrix-score {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.matrix-na {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: #f4f4ee;
  border: 1px dashed var(--line);
  color: var(--muted-light);
  font-size: 12px;
  font-style: normal;
  user-select: none;
  cursor: help;
}

.matrix-na span.dash {
  font-weight: bold;
  margin-right: 5px;
}

.matrix-method {
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-method-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

/* Method Reference Links */
.method-link {
  color: inherit;
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.method-link:hover {
  color: var(--teal);
  text-decoration-color: var(--teal);
}

.method-link:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.table-note {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* Matrix Callout explanation */
.matrix-callout {
  margin-top: 14px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--paper-card);
  border-left: 3px solid var(--teal);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-light);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.matrix-callout-icon {
  font-size: 16px;
  color: var(--teal);
  line-height: 1.3;
}

/* -------------------------------------------------------------------
   K-Class Semantic Badges & Pills
   ------------------------------------------------------------------- */
.k-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 4px;
  letter-spacing: 0.2px;
  line-height: 1.3;
  white-space: nowrap;
}

/* K-REF Tier (Teal Scale - Success) */
.k-class-ref-inf {
  background: #23524b;
  color: #ffffff;
  border: 1px solid #1c423c;
}

.k-class-ref-10x {
  background: #e1f2ee;
  color: #245851;
  border: 1px solid #a8d5cc;
}

.k-class-ref-2x {
  background: #ebf5f2;
  color: #2e6860;
  border: 1px solid #badfd7;
}

/* Channel Leakage (Warm Amber) */
.k-class-sup {
  background: var(--amber-soft);
  color: #8c4717;
  border: 1px solid #ebd0bc;
}

/* Measured Failure & Below Gate (Coral Scale) */
.k-class-mf {
  background: var(--coral-soft);
  color: var(--coral-deep);
  border: 1px solid #f0cac1;
}

.k-class-below-gate {
  background: #f7deda;
  color: #882414;
  border: 1px solid #eabcb4;
}

/* Neutral & Baseline (Inert Grays) */
.k-class-noop {
  background: #eeeee9;
  color: var(--slate);
  border: 1px solid #d4d8d3;
}

.k-class-base {
  background: #f1f1eb;
  color: var(--muted);
  border: 1px solid #dadfd7;
}

/* Base Model Tag */
.model-tag {
  display: inline-block;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 3px;
  background: var(--soft);
  color: var(--ink-light);
  border: 1px solid var(--line);
}

/* -------------------------------------------------------------------
   Per-Substrate Leaderboard Table
   ------------------------------------------------------------------- */
.ranking-container {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.ranking-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--paper-card-subtle);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.ranking-count {
  font-weight: 600;
  color: var(--ink-light);
}

.rank-cell {
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  width: 40px;
}

tr:nth-child(1) .rank-cell {
  color: var(--coral);
}

tr:nth-child(2) .rank-cell {
  color: var(--teal);
}

tr:nth-child(3) .rank-cell {
  color: var(--ink);
}

/* -------------------------------------------------------------------
   Observation-Budget Charts (Section 4)
   ------------------------------------------------------------------- */
.budget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.chart-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.chart-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.chart-note {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 14px;
}

.chart-svg-container {
  width: 100%;
  position: relative;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-light);
}

.chart-legend-line {
  width: 14px;
  height: 3px;
  border-radius: 2px;
}

.chart-legend-flips {
  font-size: 10px;
  color: var(--muted);
}

/* Interactive SVG tooltip */
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: #ffffff;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.1s ease;
  z-index: 10;
  transform: translate(-50%, -120%);
}

/* -------------------------------------------------------------------
   How to Submit (Section 5)
   ------------------------------------------------------------------- */
.submit-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
}

.submit-prose {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-light);
  margin-bottom: 24px;
}

.submit-prose p {
  margin-bottom: 12px;
  color: var(--ink-light);
}

.submit-prose strong {
  color: var(--ink);
}

.code-box {
  background: #1e3335;
  color: #e8ece9;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  overflow-x: auto;
  margin-bottom: 24px;
}

.code-box .comment {
  color: #8da29c;
}

.code-box .cmd {
  color: #f7a685;
}

.code-box .arg {
  color: #b5ded4;
}

.submit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: var(--teal-deep);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--line);
  text-decoration: none !important;
  transition: background 0.15s ease;
}

.btn-secondary:hover {
  background: var(--soft);
}

/* -------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------- */
.site-footer {
  padding-block: 40px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
}

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

/* -------------------------------------------------------------------
   Responsive & Accessibility Rules
   ------------------------------------------------------------------- */
@media (max-width: 800px) {
  .hero-section {
    padding-block: 32px 20px;
  }
  .controls-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* -------------------------------------------------------------------
   Cross-Model Generality Section Styles
   ------------------------------------------------------------------- */
.cross-model-totals-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 13px;
}

.roster-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--paper-card);
  border: 1px solid var(--line);
  font-weight: 500;
  color: var(--ink-light);
}

.roster-stat-pill strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.roster-stat-pill.stat-coral {
  border-color: var(--line-strong);
  color: var(--coral-deep);
  background: var(--coral-soft);
}

.roster-stat-pill.stat-teal {
  border-color: var(--line-strong);
  color: var(--teal-deep);
  background: var(--teal-soft);
}

.roster-gate-breakdown {
  font-size: 12px;
  color: var(--muted);
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.roster-gate-breakdown strong {
  color: var(--ink);
}

.cross-model-alerts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.reading-rule-callout {
  border-left: 3px solid var(--teal) !important;
}

.diff-callout {
  border-left: 3px solid var(--amber) !important;
}

.cross-model-rule-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--ink-light);
  line-height: 1.5;
}

.collapse-rule-line {
  margin-top: 14px;
  margin-bottom: 0;
}

.rule-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--teal-soft);
  color: var(--teal-deep);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.rule-badge-coral {
  background: var(--coral-soft);
  color: var(--coral-deep);
}

.cross-model-container {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  margin-bottom: 24px;
  overflow: hidden;
}

.cross-model-rarity-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--teal-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 12.5px;
  color: var(--teal-deep);
}

.rarity-method-pill {
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  background: var(--paper-card);
  border: 1px solid var(--line);
  color: var(--ink);
}

.cross-model-chart-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.cross-model-svg {
  width: 100%;
  min-width: 680px;
  height: auto;
  display: block;
  user-select: none;
}

/* SVG Internal Slope Chart Elements */
.slope-method-track {
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.slope-method-track.dimmed {
  opacity: 0.12 !important;
}

.slope-method-track.highlighted {
  opacity: 1 !important;
}

.slope-method-track.highlighted line.slope-seg {
  stroke-width: 3.8px !important;
  stroke: var(--coral) !important;
}

.slope-method-track.highlighted text.slope-label {
  font-weight: 700 !important;
  fill: var(--ink) !important;
}

.slope-method-track.highlighted circle.slope-pt {
  r: 6px !important;
  stroke-width: 2.5px !important;
}

.slope-method-label {
  font-size: 11px;
  font-weight: 500;
  fill: var(--ink-light);
  cursor: pointer;
  transition: font-weight 0.15s ease, fill 0.15s ease;
}

.slope-method-label:hover {
  fill: var(--teal-deep);
  font-weight: 700;
}

.axis-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  fill: var(--ink);
}

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

.axis-line {
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.axis-tick-line {
  stroke: var(--line);
  stroke-dasharray: 3,3;
  stroke-width: 1;
}

.axis-tick-text {
  font-size: 10px;
  fill: var(--muted);
  font-variant-numeric: tabular-nums;
}

.collapse-band-rect {
  fill: var(--coral-soft);
  stroke: var(--coral);
  stroke-width: 1.5;
  stroke-opacity: 0.35;
}

.collapse-band-title {
  font-size: 11px;
  font-weight: 700;
  fill: var(--coral-deep);
}

.collapse-band-sub {
  font-size: 9.5px;
  fill: var(--muted);
}

.collapse-boundary-line {
  stroke: var(--line-strong);
  stroke-dasharray: 3,3;
  stroke-width: 1;
}

.collapse-boundary-text {
  font-size: 10px;
  font-weight: 700;
  fill: var(--coral);
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* Inspector Card */
.cross-model-inspector-wrap {
  margin-bottom: 24px;
}

.cross-model-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.cross-model-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card-method-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.card-method-name:hover {
  color: var(--teal);
  text-decoration-color: var(--teal);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--soft);
  color: var(--ink-light);
  border: 1px solid var(--line);
}

.card-badge.card-ref {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: var(--line);
}

.card-bases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.card-base-col {
  background: var(--paper-card-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.card-base-col.is-collapsed {
  border-left: 3px solid var(--coral);
}

.card-base-col.has-gate {
  border-left: 3px solid var(--teal);
}

.card-base-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.card-base-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.card-metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.card-metric-row .val {
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.card-gate-box {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.card-hint {
  font-size: 11.5px;
  color: var(--muted);
}

/* Quick-select chips */
.cross-model-chips-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.chips-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
}

.cross-model-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.method-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  background: var(--paper-card);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s ease;
}

.method-chip:hover {
  background: var(--teal-soft);
  border-color: var(--teal);
}

.method-chip.active {
  background: var(--ink);
  color: var(--paper-card);
  border-color: var(--ink);
}

.chip-gate-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.chip-link {
  font-size: 10px;
  opacity: 0.6;
  text-decoration: none !important;
}

/* Reference baseline wrap */
.cross-model-ref-wrap {
  margin-bottom: 20px;
}

.cross-model-ref-card {
  background: var(--paper-card);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

.ref-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.ref-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}

.ref-desc {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 12px;
}

.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.ref-base-col {
  background: var(--paper-card-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .cross-model-totals-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .card-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* Cross-model: the rarity statement is the chart's lede, not another alert box. */
.cross-model-lede {
  margin: 16px 0 20px;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink);
  max-width: 62ch;
}
.cross-model-lede strong { font-weight: 700; }
.cross-model-lede .lede-method {
  font-family: var(--font-mono);
  font-size: 0.82em;
  padding: 1px 6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-card-subtle);
  white-space: nowrap;
}

/* Stroke key, so the solid / thin / dashed encoding is not guesswork. */
.cross-model-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 12px;
  font-size: 11.5px;
  color: var(--muted);
}
.cross-model-legend .cm-key { display: inline-flex; align-items: center; gap: 7px; }
.cross-model-legend svg { flex: none; }

/* Methodology notes sit under the chart so the chart itself is what loads first. */
.cross-model-notes { margin-top: 18px; }
.cross-model-notes-head {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.cross-model-notes .cross-model-rule-line { margin-bottom: 10px; }