:root {
  color-scheme: light;
  --ink: #172026;
  --ink-soft: #4a575f;
  --cloud: #f4f7f8;
  --paper: #ffffff;
  --line: #cfd9dc;
  --line-strong: #99a9ae;
  --coral: #f15a3c;
  --coral-soft: #fff0ec;
  --aqua: #0e9f9a;
  --aqua-soft: #e7f7f5;
  --gold: #f5c451;
  --gold-soft: #fff7dc;
  --sky: #4c73c9;
  --shadow: 0 18px 48px rgba(23, 32, 38, 0.1);
  --display: "Bahnschrift Condensed", "Arial Narrow", "Segoe UI", sans-serif;
  --body: "Segoe UI", Inter, Arial, sans-serif;
  --data: Consolas, "SFMono-Regular", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--cloud);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button,
a,
input,
summary {
  -webkit-tap-highlight-color: transparent;
}

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

a:hover {
  color: #315ba8;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(76, 115, 201, 0.35);
  outline-offset: 3px;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 10px max(20px, calc((100% - 1180px) / 2));
  border-bottom: 1px solid rgba(153, 169, 174, 0.65);
  background: rgba(244, 247, 248, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
}

.brand-mark path:first-child {
  fill: var(--gold);
  stroke: var(--ink);
  stroke-width: 4;
  stroke-linejoin: round;
}

.brand-mark path:last-child {
  fill: none;
  stroke: var(--coral);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark--large {
  width: 72px;
  height: 72px;
}

.source-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
  white-space: nowrap;
}

.source-chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 3px var(--aqua-soft);
}

.checker-band {
  padding: 54px 0 72px;
  border-bottom: 1px solid var(--line);
  background: var(--cloud);
}

.title-block {
  max-width: 780px;
  margin-bottom: 30px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: var(--display);
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: 54px;
  font-weight: 850;
  line-height: 0.98;
}

h2 {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.08;
}

h3 {
  margin-bottom: 7px;
  font-size: 21px;
  line-height: 1.15;
}

.lede {
  max-width: 680px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 19px;
}

.compare-form {
  padding: 22px 0 26px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr) minmax(0, 1fr) 166px;
  gap: 12px;
  align-items: end;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.field small {
  color: #75838a;
  font-size: 11px;
  font-weight: 600;
}

.field input {
  width: 100%;
  height: 48px;
  min-width: 0;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field input:hover {
  border-color: #68777d;
}

.field input[aria-invalid="true"] {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(241, 90, 60, 0.12);
}

.icon-button,
.compare-button {
  height: 48px;
  border-radius: 6px;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
}

.icon-button:hover {
  border-color: var(--ink);
  background: #eef3f4;
}

.compare-button {
  border: 1px solid #c94129;
  background: var(--coral);
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(241, 90, 60, 0.18);
}

.compare-button:hover {
  background: #da472d;
}

.compare-button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.form-error {
  margin: 12px 0 0;
  color: #b53220;
  font-size: 14px;
  font-weight: 700;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 13px;
}

.examples button {
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
}

.examples button:hover {
  border-color: var(--aqua);
  background: var(--aqua-soft);
}

.result-shell {
  margin-top: 34px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.result-heading h2 {
  margin-bottom: 0;
  font-size: 30px;
}

.change-status {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #eef3f4;
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
  font-weight: 700;
}

.change-status[data-tone="changed"] {
  border-color: #ef9b88;
  background: var(--coral-soft);
  color: #a8321f;
}

.change-status[data-tone="same"] {
  border-color: #76c9c4;
  background: var(--aqua-soft);
  color: #08726e;
}

.version-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px minmax(0, 1fr);
  align-items: stretch;
  min-height: 224px;
}

.result-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  background: #fbfcfc;
}

.result-panel--old {
  border-radius: 8px 0 0 8px;
}

.result-panel--current {
  border-color: #8fcfcb;
  border-radius: 0 8px 8px 0;
  background: var(--aqua-soft);
}

.version-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
}

.version-label strong {
  color: var(--ink);
  font-size: 12px;
}

.pal-result {
  display: grid;
  align-content: center;
  min-height: 148px;
}

.pal-result-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.pal-result-item {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-width: 0;
}

.pal-portrait {
  position: relative;
  display: grid;
  place-items: center;
  width: 86px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--gold-soft);
}

.result-panel--current .pal-portrait {
  background: #d3efed;
}

.pal-portrait img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pal-fallback {
  display: none;
  color: var(--ink);
  font-family: var(--display);
  font-size: 30px;
  font-weight: 850;
}

.pal-portrait[data-failed="true"] img {
  display: none;
}

.pal-portrait[data-failed="true"] .pal-fallback {
  display: block;
}

.pal-copy {
  min-width: 0;
}

.pal-copy strong {
  display: block;
  font-family: var(--display);
  font-size: 30px;
  line-height: 1;
}

.pal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.pal-meta span {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 11px;
}

.empty-result {
  color: var(--ink-soft);
  font-size: 17px;
}

.empty-result strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 27px;
}

.version-break {
  position: relative;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #ffffff;
  font-family: var(--data);
  font-size: 12px;
  font-weight: 800;
  isolation: isolate;
}

.version-break::before,
.version-break::after {
  position: absolute;
  inset-block: 0;
  z-index: -1;
  width: 28px;
  background: var(--coral);
  content: "";
}

.version-break::before {
  left: -14px;
  clip-path: polygon(52% 0, 100% 0, 100% 100%, 40% 100%, 66% 83%, 25% 66%, 70% 48%, 29% 31%, 63% 16%);
}

.version-break::after {
  right: -14px;
  clip-path: polygon(0 0, 48% 0, 37% 16%, 71% 31%, 30% 48%, 75% 66%, 34% 83%, 60% 100%, 0 100%);
}

.version-break span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--ink);
}

.result-summary {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 17px;
}

.result-shell[data-animate="true"] .result-panel {
  animation: result-in 260ms ease-out both;
}

.result-shell[data-animate="true"] .result-panel--current {
  animation-delay: 70ms;
}

@keyframes result-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.recovery-band,
.guides-band,
.sources-band,
.faq-band {
  padding: 66px 0;
  border-bottom: 1px solid var(--line);
}

.guides-band {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
  background: var(--gold-soft);
}

.guides-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 54px;
  align-items: start;
}

.guide-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #d9bd6b;
}

.guide-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid #d9bd6b;
  color: var(--ink);
  font-weight: 780;
  text-decoration: none;
}

.guide-links a:nth-child(odd) {
  margin-right: 20px;
}

.guide-links a:hover {
  color: #9f321f;
}

.target-context-band {
  padding: 58px 0;
  border-bottom: 1px solid var(--line);
  background: var(--coral-soft);
}

.target-context-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 54px;
}

.target-facts {
  display: grid;
  gap: 0;
  margin: 0;
}

.target-facts div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid #e8b0a4;
}

.target-facts dt {
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.target-facts dd {
  margin: 0;
  font-weight: 720;
}

.recovery-band {
  background: var(--paper);
}

.recovery-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: 64px;
  align-items: start;
}

.recovery-intro {
  position: sticky;
  top: 96px;
}

.recovery-intro p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.route-area {
  min-width: 0;
}

.route-status {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border-left: 5px solid var(--line-strong);
  background: #eef3f4;
}

.route-status[data-tone="breedable"] {
  border-color: var(--aqua);
  background: var(--aqua-soft);
}

.route-status[data-tone="capture"] {
  border-color: var(--gold);
  background: var(--gold-soft);
}

.route-status[data-tone="missing"] {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.route-status span {
  color: var(--ink-soft);
  font-size: 14px;
}

.route-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: routes;
}

.route-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  counter-increment: routes;
}

.route-list li::before {
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 12px;
  content: counter(routes, decimal-leading-zero);
}

.route-pair {
  min-width: 0;
  font-weight: 750;
}

.route-note {
  color: var(--ink-soft);
  font-family: var(--data);
  font-size: 11px;
  text-align: right;
}

.ad-slot {
  min-height: 100px;
  margin-block: 24px;
  border: 1px dashed var(--line-strong);
}

.evidence-band {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: #ffffff;
}

.evidence-layout {
  display: grid;
  grid-template-columns: 1fr 220px 1fr;
  gap: 48px;
  align-items: center;
}

.evidence-band .eyebrow,
.evidence-band p {
  color: #c8d4d7;
}

.evidence-band h2,
.evidence-band p {
  margin-bottom: 0;
}

.evidence-stat {
  display: grid;
  gap: 4px;
  padding-left: 18px;
  border-left: 5px solid var(--coral);
}

.evidence-stat strong {
  color: var(--gold);
  font-family: var(--display);
  font-size: 48px;
  line-height: 1;
}

.evidence-stat span {
  color: #d7e0e2;
  font-size: 13px;
}

.sources-band {
  background: #edf3f4;
}

.sources-layout {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 54px;
}

.source-list {
  display: grid;
  gap: 0;
}

.source-list article {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--line);
}

.source-list article + article {
  padding-top: 20px;
}

.source-list p {
  margin: 0;
  color: var(--ink-soft);
}

code {
  font-family: var(--data);
  font-size: 0.9em;
}

.source-link {
  grid-column: 2;
  justify-self: start;
  font-weight: 750;
}

.faq-band {
  background: var(--paper);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 54px;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  padding: 18px 34px 18px 0;
  color: var(--ink);
  font-weight: 780;
  cursor: pointer;
}

.faq-list details p {
  max-width: 720px;
  margin: -4px 0 18px;
  color: var(--ink-soft);
}

.site-footer {
  padding: 34px 0;
  background: var(--cloud);
}

.footer-layout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-layout strong {
  font-family: var(--display);
  font-size: 22px;
}

.footer-layout p {
  max-width: 620px;
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .control-grid {
    grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  }

  .field[for="expected-target"] {
    grid-column: 1 / 3;
  }

  .compare-button {
    grid-column: 3;
  }

  .evidence-layout {
    grid-template-columns: 1fr 200px;
  }

  .evidence-layout > p {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 56px;
    padding-inline: 14px;
  }

  .source-chip span:not(.source-chip__dot),
  .source-chip strong {
    display: none;
  }

  .checker-band {
    padding: 36px 0 52px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .lede {
    font-size: 17px;
  }

  .control-grid {
    grid-template-columns: 1fr 44px;
  }

  .field[for="parent-a"],
  .field[for="parent-b"],
  .field[for="expected-target"],
  .compare-button {
    grid-column: 1 / -1;
  }

  .field[for="parent-a"] {
    grid-row: 1;
  }

  .swap-button {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    margin-top: -4px;
    transform: rotate(90deg);
  }

  .field[for="parent-b"] {
    grid-row: 3;
  }

  .field[for="expected-target"] {
    grid-row: 4;
  }

  .compare-button {
    grid-row: 5;
  }

  .result-shell {
    padding: 20px;
  }

  .result-heading {
    display: grid;
  }

  .change-status {
    justify-self: start;
  }

  .version-rail {
    grid-template-columns: 1fr;
  }

  .result-panel--old,
  .result-panel--current {
    border-radius: 8px;
  }

  .version-break {
    min-height: 62px;
    margin-block: 10px;
  }

  .version-break::before,
  .version-break::after {
    inset-inline: 0;
    width: auto;
    height: 22px;
  }

  .version-break::before {
    top: -10px;
    clip-path: polygon(0 55%, 18% 28%, 35% 67%, 51% 25%, 68% 65%, 84% 30%, 100% 55%, 100% 100%, 0 100%);
  }

  .version-break::after {
    top: auto;
    bottom: -10px;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 84% 72%, 68% 35%, 51% 75%, 35% 33%, 18% 70%, 0 45%);
  }

  .recovery-layout,
  .guides-layout,
  .target-context-layout,
  .sources-layout,
  .faq-layout,
  .evidence-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .guide-links {
    grid-template-columns: 1fr;
  }

  .guide-links a:nth-child(odd) {
    margin-right: 0;
  }

  .target-facts div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .recovery-intro {
    position: static;
  }

  .source-link,
  .evidence-layout > p {
    grid-column: auto;
  }

  .route-list li {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .route-note {
    grid-column: 2;
    text-align: left;
  }

  .footer-layout {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 440px) {
  h1 {
    font-size: 36px;
  }

  .result-shell {
    padding: 15px;
  }

  .result-panel {
    padding: 16px;
  }

  .pal-result-item {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .pal-portrait {
    width: 72px;
  }

  .pal-copy strong {
    font-size: 25px;
  }
}

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

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

.not-found {
  display: grid;
  align-content: center;
  justify-items: start;
  min-height: 100vh;
  padding-block: 48px;
}

.not-found h1 {
  max-width: 720px;
}

.not-found p:not(.eyebrow) {
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 18px;
}

.not-found__link {
  display: inline-grid;
  place-items: center;
  min-width: 170px;
  padding-inline: 18px;
  color: #ffffff;
  text-decoration: none;
}