:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f4;
  --surface-3: #e8ebef;
  --ink: #18212b;
  --muted: #5d6874;
  --subtle: #78838e;
  --line: #d6dce2;
  --line-strong: #b9c2cb;
  --accent: #0b6e75;
  --accent-hover: #085960;
  --accent-soft: #e7f3f3;
  --warning: #9a5b00;
  --warning-soft: #fff4db;
  --danger: #ae2e24;
  --danger-soft: #ffebe9;
  --success: #1a7f37;
  --success-soft: #dafbe1;
  --code: #0d1117;
  --code-2: #161b22;
  --code-line: #30363d;
  --code-text: #e6edf3;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --radius: 5px;
  --content: 1280px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
select {
  font-family: var(--sans);
}

button,
input,
select {
  font-size: inherit;
}

button {
  color: inherit;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-hover);
}

button,
a,
input,
select,
canvas,
[tabindex] {
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

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

p,
h1,
h2,
h3,
dl,
dd,
ol,
ul,
blockquote,
pre {
  margin-top: 0;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid #148a94;
  outline-offset: 2px;
}

::selection {
  background: #b9e4e6;
}

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

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding-inline: max(24px, calc((100% - var(--content)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 96%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

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

.brand b {
  color: var(--accent);
  font-weight: 700;
}

.brand-mark {
  display: block;
  width: 42px;
  height: 28px;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-action {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink) !important;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.nav-action:hover {
  border-color: #8e99a5;
  background: var(--surface-2);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow > span + span::before {
  margin-right: 10px;
  color: var(--line-strong);
  content: "/";
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  border-color: #8e99a5;
  background: var(--surface-2);
  color: var(--ink);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: #fff;
}

.button-quiet {
  background: transparent;
}

.button-dark {
  border-color: var(--code-line);
  background: var(--code-2);
  color: var(--code-text);
}

.button-dark:hover {
  border-color: #6e7681;
  background: #21262d;
  color: #fff;
}

.button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.hero,
.landing-hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(520px, 1.28fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
  padding-block: 52px 60px;
}

.landing-hero {
  grid-template-columns: minmax(380px, 0.92fr) minmax(460px, 1.08fr);
  min-height: 620px;
}

.catalog-hero {
  grid-template-columns: minmax(0, 860px);
  padding-block: 48px 52px;
}

.catalog-hero .hero-copy {
  max-width: 860px;
}

.hero-copy,
.landing-copy {
  min-width: 0;
}

.hero h1,
.landing-copy h1 {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(40px, 4.3vw, 58px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.hero h1 em,
.landing-copy h1 em {
  color: inherit;
  font-style: normal;
}

.hero-deck {
  max-width: 670px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.hero-actions,
.run-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 30px 0 0;
  border-block: 1px solid var(--line);
}

.hero-facts div {
  min-width: 0;
  padding: 13px 15px;
}

.hero-facts div:first-child {
  padding-left: 0;
}

.hero-facts div + div {
  border-left: 1px solid var(--line);
}

.hero-facts dt,
.hero-facts dd {
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-facts dt {
  margin-bottom: 4px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.hero-facts code {
  font-size: 11px;
}

.viewer-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--code-line);
  border-radius: var(--radius);
  background: var(--code);
  color: var(--code-text);
}

.viewer-topbar,
.viewer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 7px 11px;
  background: var(--code-2);
  font-family: var(--mono);
  font-size: 11px;
}

.viewer-topbar {
  border-bottom: 1px solid var(--code-line);
}

.viewer-topbar > div:first-child {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.viewer-topbar > div:first-child > span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3fb950;
  box-shadow: 0 0 0 2px rgb(63 185 80 / 15%);
}

.viewer-actions {
  display: flex;
  gap: 6px;
}

.icon-button {
  display: grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--code-line);
  border-radius: 4px;
  background: transparent;
  color: #8b949e;
  cursor: pointer;
}

.icon-button:hover,
.icon-button[aria-pressed="true"] {
  border-color: #6e7681;
  background: #21262d;
  color: var(--code-text);
}

.icon-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.canvas-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 300px;
  overflow: hidden;
  background: #080b10;
  isolation: isolate;
}

.canvas-stage canvas,
.compare-canvas-wrap canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
}

.canvas-grid {
  position: absolute;
  z-index: 2;
  inset: 0;
  background-image:
    linear-gradient(rgb(255 255 255 / 2.4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.4%) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.viewer-loading,
.canvas-error {
  position: absolute;
  z-index: 5;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #0d1117;
  color: #8b949e;
  font-family: var(--mono);
  font-size: 11px;
}

.viewer-loading span,
.run-loading span {
  width: 13px;
  height: 13px;
  border: 2px solid #30363d;
  border-top-color: #58a6ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.canvas-error {
  flex-direction: column;
  padding: 24px;
  color: #ff7b72;
  text-align: center;
}

.canvas-error strong {
  color: #ffa198;
  font-size: 13px;
}

.live-meter {
  position: absolute;
  z-index: 4;
  top: 10px;
  right: 10px;
  display: grid;
  grid-template-columns: auto auto;
  gap: 0 8px;
  min-width: 110px;
  padding: 7px 9px;
  border: 1px solid rgb(240 246 252 / 16%);
  border-radius: 4px;
  background: rgb(13 17 23 / 88%);
  font-family: var(--mono);
  pointer-events: none;
}

.live-meter span {
  align-self: center;
  color: #3fb950;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-meter strong {
  justify-self: end;
  color: #f0f6fc;
  font-size: 11px;
}

.live-meter small {
  grid-column: 1 / -1;
  color: #6e7681;
  font-size: 8px;
  text-align: right;
}

.orbit-hint {
  position: absolute;
  z-index: 4;
  right: 10px;
  bottom: 8px;
  margin: 0;
  padding: 4px 7px;
  border-radius: 3px;
  background: rgb(13 17 23 / 76%);
  color: #8b949e;
  font-family: var(--mono);
  font-size: 9px;
  pointer-events: none;
}

.viewer-footer {
  border-top: 1px solid var(--code-line);
}

.viewer-footer > div,
.viewer-footer-actions {
  display: flex;
  align-items: center;
  gap: 11px;
}

.viewer-footer span {
  color: #6e7681;
  text-transform: uppercase;
}

.viewer-footer strong {
  color: #c9d1d9;
  font-size: 10px;
  font-weight: 500;
}

.text-button {
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: #79c0ff;
  font-family: var(--mono);
  font-size: 10px;
  text-decoration: none;
  cursor: pointer;
}

.text-button:hover {
  color: #a5d6ff;
}

.calibration-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.calibration-strip > div {
  position: relative;
  min-width: 0;
  padding: 18px max(20px, calc((100vw - var(--content)) / 8));
}

.calibration-strip > div + div {
  border-left: 1px solid var(--line);
}

.calibration-index {
  display: block;
  margin-bottom: 3px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.07em;
}

.calibration-strip strong,
.calibration-strip small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calibration-strip strong {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 600;
}

.calibration-strip small {
  margin-top: 1px;
  color: var(--subtle);
  font-size: 11px;
}

.results-section,
.compare-section {
  padding-block: 64px;
  scroll-margin-top: 56px;
}

.compare-section {
  padding-top: 16px;
}

.section-heading,
.run-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 470px);
  gap: 40px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading h2,
.method-copy h2,
.run-section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(27px, 3vw, 34px);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.section-heading > p,
.run-section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.result-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.search-field {
  position: relative;
  display: flex;
  flex: 1 1 320px;
  align-items: center;
}

.search-field svg {
  position: absolute;
  left: 11px;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--subtle);
  stroke-width: 1.8;
}

.search-field input,
.select-field select,
.compare-controls select,
.run-compare-control select {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
}

.search-field input {
  width: 100%;
  padding: 7px 11px 7px 35px;
}

.search-field input::placeholder {
  color: #8c969f;
}

.select-field {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.select-field select,
.compare-controls select {
  padding: 6px 30px 6px 9px;
  font-family: var(--sans);
  font-size: 12px;
  text-transform: none;
}

.toolbar-note {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 4px 0 auto;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}

.status-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status-unverified { background: #bf8700; }
.status-reference { background: #0969da; }
.status-verified { background: var(--success); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.result-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.result-card:hover {
  border-color: var(--line-strong);
}

.result-poster {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  border-right: 1px solid var(--code-line);
  background: #111820;
  color: #8b949e;
}

.result-poster::before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  background: var(--card-accent);
  content: "";
}

.poster-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.poster-preview,
.poster-preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.poster-preview {
  overflow: hidden;
  background: #080b10;
}

.poster-backdrop {
  object-fit: cover;
  opacity: 0.46;
  filter: blur(12px) saturate(0.72) brightness(0.7);
  transform: scale(1.16);
}

.poster-thumbnail {
  z-index: 1;
  object-fit: contain;
  filter: saturate(0.94) contrast(1.03);
}

.poster-placeholder svg {
  width: 100%;
  fill: none;
  stroke: #5b6773;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.poster-index,
.poster-state {
  position: absolute;
  z-index: 2;
  left: 8px;
  padding: 3px 5px;
  border-radius: 3px;
  background: rgb(13 17 23 / 88%);
  color: #8b949e;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.poster-index {
  top: 8px;
}

.poster-state {
  right: 8px;
  bottom: 8px;
  left: auto;
  color: #c9d1d9;
}

.poster-state::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: #bf8700;
  content: "";
}

.poster-state.state-failed::before { background: #f85149; }
.poster-state.state-unmet::before { background: #d29922; }
.poster-state.state-passed::before { background: #3fb950; }
.poster-state.state-warnings::before { background: #58a6ff; }

.result-body {
  min-width: 0;
  padding: 16px;
}

.result-kicker {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.result-kicker span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-title-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.result-title-row h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.compare-check {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}

.compare-check input,
.toggle-field input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.compare-check span {
  display: grid;
  width: 15px;
  height: 15px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--surface);
}

.compare-check span::after {
  color: #fff;
  content: "✓";
  font-size: 10px;
  opacity: 0;
}

.compare-check input:checked + span {
  border-color: var(--accent);
  background: var(--accent);
}

.compare-check input:checked + span::after {
  opacity: 1;
}

.result-description {
  margin: 9px 0 13px;
  color: var(--muted);
  font-size: 12px;
}

.result-description strong {
  color: var(--ink);
}

.result-requirement-note {
  display: block;
  margin-bottom: 12px;
  padding: 8px 9px;
  border: 1px solid #e8c36a;
  border-radius: 4px;
  background: var(--warning-soft);
  color: #704000;
  text-decoration: none;
}

.result-requirement-note strong,
.result-requirement-note span {
  display: block;
}

.result-requirement-note strong {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.result-requirement-note span {
  margin-top: 3px;
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-requirement-note.is-advisory {
  border-color: #a8c7e8;
  background: #edf6ff;
  color: #07508f;
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}

.result-metrics div {
  min-width: 0;
  padding: 9px;
}

.result-metrics div:first-child {
  padding-left: 0;
}

.result-metrics div + div {
  border-left: 1px solid var(--line);
}

.result-metrics span,
.result-metrics strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-metrics span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

.result-metrics strong {
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.result-actions {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.result-actions a,
.result-actions button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  text-decoration: none;
  cursor: pointer;
}

.result-actions .view-result {
  color: var(--accent);
  font-weight: 600;
}

.result-actions a:hover,
.result-actions button:hover {
  color: var(--ink);
}

.empty-state {
  margin: 14px 0 0;
  padding: 30px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.compare-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 36px minmax(180px, 1fr) auto auto;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.compare-controls > label:not(.toggle-field) {
  display: grid;
  gap: 4px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.compare-controls select {
  width: 100%;
}

.swap-button {
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.swap-button:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.toggle-field {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 8px;
  padding-inline: 8px;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  cursor: pointer;
}

.toggle-field > span {
  position: relative;
  width: 28px;
  height: 16px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-3);
}

.toggle-field > span::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--subtle);
  content: "";
  transition: transform 120ms ease;
}

.toggle-field input:checked + span {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.toggle-field input:checked + span::after {
  background: var(--accent);
  transform: translateX(12px);
}

.compare-viewers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.compare-pane {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--code-line);
  border-radius: var(--radius);
  background: var(--code);
}

.compare-pane header {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 42px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--code-line);
  background: var(--code-2);
  color: var(--code-text);
  font-family: var(--mono);
}

.compare-pane header > span {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid #6e7681;
  border-radius: 3px;
  color: #c9d1d9;
  font-size: 10px;
}

.compare-pane header strong {
  overflow: hidden;
  font-size: 10px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compare-pane header small {
  color: #8b949e;
  font-size: 9px;
}

.compare-canvas-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #080b10;
}

.compare-error {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  padding: 20px;
  place-items: center;
  background: var(--code);
  color: #ff7b72;
  font-family: var(--mono);
  font-size: 10px;
  text-align: center;
}

.comparison-report {
  margin-top: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.report-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px;
  border-bottom: 1px solid var(--line);
}

.report-heading .eyebrow {
  margin-bottom: 5px;
}

.report-heading h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
}

.report-note {
  margin: 0;
  padding: 11px 17px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11px;
}

.metric-table {
  width: 100%;
}

.metric-row {
  display: grid;
  grid-template-columns: minmax(210px, 1.5fr) repeat(3, minmax(110px, 0.65fr));
  min-height: 48px;
  align-items: stretch;
}

.metric-row + .metric-row {
  border-top: 1px solid var(--line);
}

.metric-row > * {
  display: flex;
  min-width: 0;
  align-items: center;
  padding: 9px 13px;
  overflow-wrap: anywhere;
}

.metric-row > * + * {
  border-left: 1px solid var(--line);
}

.metric-row > span {
  display: grid;
  align-content: center;
  color: var(--ink);
  font-size: 11px;
}

.metric-row span small {
  display: block;
  color: var(--subtle);
  font-size: 9px;
}

.metric-row strong,
.metric-row em {
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  font-weight: 500;
}

.metric-row em {
  color: var(--subtle);
}

.metric-head {
  min-height: 34px;
  background: var(--surface-2);
}

.metric-head span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.method-section {
  padding-block: 68px;
  border-block: 1px solid var(--line);
  background: var(--surface);
  scroll-margin-top: 56px;
}

.method-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(440px, 1.28fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.method-copy > p:not(.eyebrow) {
  max-width: 610px;
  margin: 16px 0 0;
  color: var(--muted);
}

.method-steps {
  margin: 26px 0 0;
  padding: 0;
  border-block: 1px solid var(--line);
  list-style: none;
}

.method-steps li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  padding: 13px 0;
}

.method-steps li + li {
  border-top: 1px solid var(--line);
}

.method-steps li > span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
}

.method-steps strong {
  font-size: 13px;
}

.method-steps p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.method-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
}

.method-links a {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
}

.prompt-card,
.landing-prompt-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--code-line);
  border-radius: var(--radius);
  background: var(--code);
  color: var(--code-text);
}

.prompt-topbar,
.prompt-footer,
.landing-prompt-card > header,
.landing-prompt-card > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 8px 12px;
  background: var(--code-2);
  color: #8b949e;
  font-family: var(--mono);
  font-size: 9px;
}

.prompt-topbar,
.landing-prompt-card > header {
  border-bottom: 1px solid var(--code-line);
}

.prompt-footer,
.landing-prompt-card > footer {
  border-top: 1px solid var(--code-line);
}

.prompt-topbar button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #79c0ff;
  font-family: var(--mono);
  font-size: 9px;
  cursor: pointer;
}

.prompt-card pre {
  height: 400px;
  margin: 0;
  padding: 20px;
  overflow: auto;
  color: #c9d1d9;
  font-size: 10px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.prompt-footer code {
  color: #c9d1d9;
}

.site-footer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding-block: 28px;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-size: 11px;
}

.site-footer > p {
  margin: 0;
  text-align: center;
}

.site-footer > div:last-child {
  display: flex;
  gap: 15px;
  font-family: var(--mono);
  font-size: 9px;
}

.compare-tray {
  position: fixed;
  z-index: 90;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgb(31 42 55 / 14%);
}

.tray-selection {
  display: flex;
  gap: 6px;
}

.tray-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 150px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  white-space: nowrap;
}

.tray-chip > span {
  display: grid;
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 3px;
  background: var(--surface-3);
  color: var(--ink);
}

.tray-clear {
  padding: 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}

.benchmark-overlay {
  position: fixed;
  z-index: 150;
  inset: 0;
  display: grid;
  padding: 20px;
  place-items: center;
  background: rgb(13 17 23 / 72%);
}

.benchmark-box {
  width: min(100%, 410px);
  padding: 24px;
  border: 1px solid var(--code-line);
  border-radius: var(--radius);
  background: var(--code);
  color: var(--code-text);
  text-align: center;
}

.benchmark-spinner {
  width: 24px;
  height: 24px;
  margin: 0 auto 16px;
  border: 2px solid var(--code-line);
  border-top-color: #58a6ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.benchmark-box .eyebrow {
  justify-content: center;
}

.benchmark-box > strong {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
}

.benchmark-box > p:not(.eyebrow) {
  margin: 8px 0 0;
  color: #8b949e;
  font-size: 11px;
}

.benchmark-progress {
  height: 5px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--code-line);
}

.benchmark-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: #58a6ff;
  transition: width 120ms linear;
}

.toast {
  position: fixed;
  z-index: 180;
  right: 20px;
  bottom: 20px;
  max-width: min(360px, calc(100% - 40px));
  padding: 10px 13px;
  border: 1px solid var(--code-line);
  border-radius: 4px;
  background: var(--code-2);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.noscript {
  margin: 0;
  padding: 10px 20px;
  border-top: 1px solid #e8c36a;
  background: var(--warning-soft);
  color: #704000;
  font-family: var(--mono);
  font-size: 10px;
  text-align: center;
}

/* Landing-only benchmark contract */

.contract-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.contract-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 9px;
}

.contract-topbar {
  border-bottom: 1px solid var(--code-line);
  background: var(--code-2);
  color: #c9d1d9;
}

.contract-topbar > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contract-spec {
  padding: 8px 14px;
}

.contract-spec > div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 43px;
}

.contract-spec > div + div {
  border-top: 1px solid var(--line);
}

.contract-spec [role="rowheader"] {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contract-spec [role="cell"] {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 12px;
}

.contract-spec code {
  color: #075985;
  font-size: 10px;
}

.contract-call {
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--code-line);
  background: var(--code);
  color: #c9d1d9;
  font-size: 10px;
  line-height: 1.7;
  overflow-x: auto;
}

.landing-prompt-card > header a {
  color: #79c0ff;
  text-decoration: none;
}

.landing-prompt-copy {
  padding: 24px;
}

.landing-prompt-copy .eyebrow {
  color: #8b949e;
}

.landing-prompt-copy blockquote {
  max-width: 720px;
  margin: 0;
  color: #f0f6fc;
  font-size: 18px;
  font-weight: 550;
  line-height: 1.5;
}

.landing-prompt-copy dl {
  margin: 24px 0 0;
  border-top: 1px solid var(--code-line);
}

.landing-prompt-copy dl > div {
  display: grid;
  grid-template-columns: 135px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
}

.landing-prompt-copy dl > div + div {
  border-top: 1px solid var(--code-line);
}

.landing-prompt-copy dt {
  color: #6e7681;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.landing-prompt-copy dd {
  margin: 0;
  color: #c9d1d9;
  font-family: var(--mono);
  font-size: 10px;
}

.landing-results-cta {
  padding-block: 54px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.landing-results-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  gap: 64px;
  align-items: center;
}

.landing-results-grid h2 {
  margin: 0;
  font-size: clamp(27px, 3vw, 34px);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.landing-results-grid > div:last-child > p {
  margin-bottom: 18px;
  color: var(--muted);
}

/* Dedicated run record */

.result-page main {
  min-height: calc(100vh - 56px);
}

.run-loading,
.run-error {
  min-height: calc(100vh - 56px);
}

.run-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.run-loading p {
  margin: 0;
}

.run-error {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.run-error h1 {
  margin-bottom: 0;
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.run-error > p:not(.eyebrow) {
  max-width: 580px;
  margin: 15px 0 0;
  color: var(--muted);
}

.run-error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.run-error-links a {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 9px;
  text-decoration: none;
}

.run-hero {
  padding-block: 24px 54px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

.breadcrumbs span[aria-hidden] {
  color: var(--line-strong);
}

.run-hero-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.68fr) minmax(520px, 1.32fr);
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
}

.run-identity {
  min-width: 0;
}

.run-status-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 19px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
}

.run-status-line > span:not(.run-status) {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
}

.run-status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 7px;
  border: 1px solid #e8c36a;
  border-radius: 3px;
  background: var(--warning-soft);
  color: #704000;
  font-weight: 600;
}

.run-status.state-warnings {
  border-color: #a8c7e8;
  background: #edf6ff;
  color: #07508f;
}

.run-status.state-unmet {
  border-color: #e8c36a;
  background: var(--warning-soft);
  color: #704000;
}

.run-status.state-failed {
  border-color: #f0aaa5;
  background: var(--danger-soft);
  color: var(--danger);
}

.run-status.state-passed {
  border-color: #9ed5aa;
  background: var(--success-soft);
  color: #116329;
}

.run-identity > .eyebrow {
  margin-bottom: 8px;
}

.run-identity h1 {
  margin-bottom: 0;
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.run-model {
  margin: 12px 0 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
}

.run-description {
  max-width: 600px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.run-compare-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 10px;
  align-items: center;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.run-compare-control label {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.run-compare-control select {
  min-width: 0;
  padding: 6px 28px 6px 8px;
  font-size: 11px;
}

.run-compare-control .text-link {
  grid-column: 2;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  text-decoration: none;
}

.run-viewer-card {
  width: 100%;
}

.run-canvas-stage {
  min-height: 310px;
}

.run-subnav {
  position: sticky;
  z-index: 80;
  top: 56px;
  border-block: 1px solid var(--line);
  background: rgb(255 255 255 / 97%);
}

.run-subnav .section-shell {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 30px;
  overflow-x: auto;
}

.run-subnav a {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.run-subnav a:hover {
  color: var(--ink);
}

.run-section {
  padding-block: 58px;
  scroll-margin-top: 98px;
}

.run-section-tint {
  width: 100%;
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.run-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.run-metric-grid article {
  display: flex;
  min-width: 0;
  min-height: 116px;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.run-metric-grid article + article {
  border-left: 1px solid var(--line);
}

.run-metric-grid span,
.environment-card span,
.local-result span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.run-metric-grid strong {
  overflow: hidden;
  font-family: var(--mono);
  font-size: clamp(18px, 2.3vw, 26px);
  font-weight: 600;
  letter-spacing: -0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.run-metric-grid small {
  color: var(--subtle);
  font-size: 9px;
}

.environment-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.environment-card > div {
  min-width: 0;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.environment-card > div:not(:nth-child(3n + 1)) {
  border-left: 1px solid var(--line);
}

.environment-card > div:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.environment-card strong,
.environment-card code {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.local-result {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid #9ed5aa;
  border-radius: var(--radius);
  background: var(--success-soft);
}

.local-result strong {
  color: #116329;
  font-family: var(--mono);
}

.local-result small {
  color: #116329;
  font-family: var(--mono);
  font-size: 9px;
  text-align: right;
}

.record-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.record-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.record-card-wide {
  grid-column: 1 / -1;
}

.record-card h3 {
  margin: 0;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.record-card dl {
  margin: 0;
}

.record-card dl > div {
  display: grid;
  grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1fr);
  gap: 16px;
  padding: 9px 14px;
}

.record-card dl > div + div {
  border-top: 1px solid var(--line);
}

.record-card dt {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
}

.record-card dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  text-align: right;
}

.record-card dd code {
  font-size: 9px;
  word-break: break-all;
}

.record-note {
  margin: 0;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.validation-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.validation-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.validation-panel-title > span {
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
}

.validation-requirements .validation-panel-title > span {
  background: var(--warning-soft);
  color: var(--warning);
}

.validation-warnings .validation-panel-title > span {
  background: #edf6ff;
  color: #0969da;
}

.validation-panel h3 {
  margin: 0;
  font-size: 11px;
  font-weight: 650;
}

.validation-panel ul {
  margin: 0;
  padding: 13px 16px 14px 30px;
  color: var(--muted);
  font-size: 11px;
}

.validation-panel li + li {
  margin-top: 7px;
}

.validation-requirements li strong,
.validation-requirements li span {
  display: block;
}

.validation-requirements li strong {
  color: #704000;
  font-size: 10px;
}

.validation-requirements li span {
  margin-top: 3px;
  color: var(--muted);
}

.visual-rubric {
  display: grid;
  grid-template-columns: minmax(190px, 0.35fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin-top: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.visual-rubric h3 {
  margin: 0;
  font-size: 13px;
}

.visual-rubric p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
}

#visual-scores {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
}

#visual-scores > div {
  min-width: 0;
  padding: 7px 10px;
  border-left: 1px solid var(--line);
}

#visual-scores span,
#visual-scores strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#visual-scores span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

#visual-scores strong {
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 10px;
}

#visual-scores > p {
  grid-column: 1 / -1;
  padding: 6px 10px 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 8px;
  text-align: right;
}

.run-code-section {
  border-block: 1px solid var(--code-line);
  background: var(--code);
  color: var(--code-text);
}

.run-code-section .eyebrow {
  color: #8b949e;
}

.run-code-section .run-section-heading > p {
  color: #8b949e;
}

.code-heading {
  align-items: center;
}

.button-on-dark {
  border-color: #6e7681;
  color: var(--code-text);
}

.button-on-dark:hover {
  border-color: #8b949e;
  background: #21262d;
  color: #fff;
}

.run-code-card {
  overflow: hidden;
  border: 1px solid var(--code-line);
  border-radius: var(--radius);
  background: #080b10;
}

.run-code-card header,
.source-file-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 9px;
}

.run-code-card header {
  border-bottom: 1px solid var(--code-line);
  background: var(--code-2);
  color: #8b949e;
}

.run-code-card pre,
.full-source {
  margin: 0;
  overflow: auto;
  color: #c9d1d9;
  font-size: 10px;
  line-height: 1.6;
  tab-size: 2;
  white-space: pre;
}

.run-code-card pre {
  max-height: 520px;
  padding: 20px;
}

.code-heading-light {
  align-items: center;
}

.code-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.source-file-meta {
  justify-content: flex-start;
  gap: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--surface-2);
  color: var(--subtle);
}

.source-file-meta span {
  padding-inline: 10px;
}

.source-file-meta span:first-child {
  padding-left: 0;
  color: var(--ink);
  font-weight: 600;
}

.source-file-meta span + span {
  border-left: 1px solid var(--line);
}

.full-source {
  max-height: 720px;
  padding: 20px;
  border: 1px solid var(--code-line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--code);
}

.run-pagination {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding-bottom: 64px;
}

.run-pagination a {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
}

.run-pagination a:last-child {
  text-align: right;
}

.run-pagination span,
.run-pagination strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.run-pagination span {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
}

.run-pagination strong {
  margin-top: 4px;
  color: var(--ink);
  font-size: 12px;
}

.run-pagination a:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1080px) {
  .hero,
  .landing-hero,
  .run-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .landing-copy,
  .run-identity {
    max-width: 800px;
  }

  .landing-hero {
    min-height: 0;
  }

  .viewer-card,
  .contract-card {
    width: 100%;
  }

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

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

  .prompt-card pre {
    height: 430px;
  }

  .landing-results-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .landing-results-grid > div:last-child {
    max-width: 680px;
  }

  .compare-controls {
    grid-template-columns: 1fr 36px 1fr;
  }

  .compare-controls .toggle-field,
  .compare-controls .button {
    grid-column: span 1;
  }

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

  .run-metric-grid article:nth-child(3) {
    border-left: 0;
  }

  .run-metric-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

  .environment-card > div,
  .environment-card > div:nth-last-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .environment-card > div:not(:nth-child(3n + 1)) {
    border-left: 0;
  }

  .environment-card > div:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .environment-card > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .visual-rubric {
    grid-template-columns: 1fr;
  }

  #visual-scores > div:first-child {
    border-left: 0;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 96px;
  }

  body {
    font-size: 13px;
  }

  .section-shell {
    width: min(calc(100% - 28px), var(--content));
  }

  .site-header {
    min-height: 52px;
    padding-inline: 14px;
  }

  .brand {
    font-size: 12px;
  }

  .site-nav {
    gap: 8px;
  }

  .site-nav > a:not(.nav-action) {
    display: none;
  }

  .nav-action {
    min-height: 32px;
    padding-inline: 9px;
    font-size: 11px;
  }

  .hero,
  .landing-hero {
    gap: 30px;
    padding-block: 34px 42px;
  }

  .hero h1,
  .landing-copy h1,
  .run-identity h1 {
    font-size: clamp(32px, 10vw, 43px);
  }

  .hero-deck {
    margin-top: 16px;
    font-size: 14px;
  }

  .hero-actions,
  .run-actions {
    margin-top: 21px;
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .hero-facts div,
  .hero-facts div:first-child {
    padding: 9px 0;
  }

  .hero-facts div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .canvas-stage {
    min-height: 0;
  }

  .viewer-footer > div:first-child {
    display: none;
  }

  .viewer-footer {
    justify-content: flex-end;
  }

  .live-meter {
    top: 7px;
    right: 7px;
  }

  .orbit-hint {
    right: 7px;
    bottom: 6px;
    max-width: calc(100% - 14px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

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

  .calibration-strip > div {
    padding: 14px;
  }

  .calibration-strip > div:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .calibration-strip > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .calibration-strip strong {
    font-size: 14px;
  }

  .results-section,
  .compare-section {
    padding-block: 48px;
  }

  .compare-section {
    padding-top: 4px;
  }

  .section-heading,
  .run-section-heading {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
  }

  .section-heading h2,
  .method-copy h2,
  .run-section-heading h2 {
    font-size: 27px;
  }

  .result-toolbar {
    flex-wrap: wrap;
  }

  .search-field {
    flex-basis: 100%;
  }

  .select-field {
    width: 100%;
  }

  .select-field select {
    flex: 1;
  }

  .toolbar-note {
    display: none;
  }

  .result-card {
    grid-template-columns: 1fr;
  }

  .result-poster {
    min-height: 138px;
    border-right: 0;
    border-bottom: 1px solid var(--code-line);
  }

  .poster-placeholder svg {
    max-width: 210px;
  }

  .result-body {
    padding: 14px;
  }

  .result-title-row {
    gap: 8px;
  }

  .result-title-row h3 {
    font-size: 17px;
  }

  .result-requirement-note span {
    white-space: normal;
  }

  .compare-controls {
    grid-template-columns: 1fr 36px;
  }

  .compare-controls > label:not(.toggle-field) {
    grid-column: 1;
  }

  .compare-controls .swap-button {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .compare-controls .toggle-field,
  .compare-controls .button {
    grid-column: 1 / -1;
  }

  .compare-viewers {
    grid-template-columns: 1fr;
  }

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

  .metric-row {
    grid-template-columns: minmax(112px, 1.15fr) repeat(3, minmax(60px, 0.7fr));
  }

  .metric-row > * {
    padding: 8px 6px;
  }

  .metric-row strong,
  .metric-row em {
    font-size: 8px;
  }

  .metric-row[data-metric="requirements"] {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .metric-row[data-metric="requirements"] > span {
    grid-column: 1 / -1;
    padding: 10px;
    border-bottom: 1px solid var(--line);
  }

  .metric-row[data-metric="requirements"] > strong {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 7px;
    align-content: start;
    min-height: 66px;
    padding: 10px;
    line-height: 1.45;
  }

  .metric-row[data-metric="requirements"] > strong::before {
    color: var(--warning);
    content: attr(data-side);
    font-size: 8px;
    font-weight: 700;
  }

  .metric-row[data-metric="requirements"] > em {
    grid-column: 1 / -1;
    padding: 8px 10px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .method-section {
    padding-block: 48px;
  }

  .prompt-card pre {
    height: 350px;
    padding: 14px;
    font-size: 9px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 13px;
    padding-block: 24px;
  }

  .site-footer > p {
    text-align: left;
  }

  .compare-tray {
    right: 8px;
    bottom: 8px;
    left: 8px;
  }

  .tray-selection {
    display: none;
  }

  .compare-tray .button {
    flex: 1;
  }

  .contract-spec {
    padding: 6px 12px;
  }

  .contract-spec > div {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 10px;
    min-height: 42px;
  }

  .contract-call {
    font-size: 9px;
  }

  .landing-prompt-copy {
    padding: 18px;
  }

  .landing-prompt-copy blockquote {
    font-size: 16px;
  }

  .landing-prompt-copy dl > div {
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 10px;
  }

  .landing-results-cta {
    padding-block: 42px;
  }

  .result-page main,
  .run-loading,
  .run-error {
    min-height: calc(100vh - 52px);
  }

  .run-hero {
    padding-block: 17px 42px;
  }

  .breadcrumbs {
    margin-bottom: 24px;
    overflow: hidden;
    white-space: nowrap;
  }

  .breadcrumbs > * {
    flex: 0 0 auto;
  }

  .breadcrumbs > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .run-hero-grid {
    gap: 30px;
  }

  .run-status-line {
    margin-bottom: 17px;
  }

  .run-description {
    font-size: 12px;
  }

  .run-actions .button {
    flex: 1 1 auto;
  }

  .run-compare-control {
    grid-template-columns: 1fr;
  }

  .run-compare-control .text-link {
    grid-column: 1;
  }

  .run-viewer-card .viewer-topbar > div:first-child > span:last-child {
    max-width: 180px;
  }

  .run-subnav {
    top: 52px;
  }

  .run-subnav .section-shell {
    min-height: 42px;
    gap: 24px;
  }

  .run-section {
    padding-block: 46px;
    scroll-margin-top: 94px;
  }

  .run-metric-grid {
    grid-template-columns: 1fr;
  }

  .run-metric-grid article {
    min-height: 92px;
  }

  .run-metric-grid article + article,
  .run-metric-grid article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .environment-card {
    grid-template-columns: 1fr;
  }

  .environment-card > div,
  .environment-card > div:nth-child(even),
  .environment-card > div:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .environment-card > div:last-child {
    border-bottom: 0;
  }

  .local-result {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .local-result small {
    text-align: left;
  }

  .record-columns,
  .validation-grid {
    grid-template-columns: 1fr;
  }

  .record-card-wide {
    grid-column: auto;
  }

  .record-card dl > div {
    grid-template-columns: minmax(95px, 0.38fr) minmax(0, 1fr);
    gap: 10px;
    padding-inline: 11px;
  }

  .record-card h3,
  .record-note {
    padding-inline: 11px;
  }

  .visual-rubric {
    gap: 16px;
    padding: 13px;
  }

  #visual-scores {
    grid-template-columns: 1fr 1fr;
  }

  #visual-scores > div,
  #visual-scores > div:first-child {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  #visual-scores > div:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .code-heading .button,
  .code-heading-light .code-actions {
    justify-self: start;
  }

  .code-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .run-code-card pre,
  .full-source {
    padding: 14px;
    font-size: 9px;
  }

  .source-file-meta {
    flex-wrap: wrap;
  }

  .source-file-meta span:last-child {
    flex-basis: 100%;
    padding: 4px 0 0;
    border-left: 0;
  }

  .run-pagination {
    grid-template-columns: 1fr;
    padding-bottom: 48px;
  }

  .run-pagination a:last-child {
    text-align: left;
  }

  .run-error h1 {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}