@font-face {
  font-family: LocalSans;
  src: local('Inter'), local('SF Pro Text'), local('Arial');
  font-display: swap;
}
:root {
  --ink: #1c2d49;
  --text: #384962;
  --muted: #778397;
  --line: #e1e6ed;
  --paper: #fff;
  --background: #f7f8fa;
  --blue: #315bcd;
  --blue-soft: #edf2ff;
  --green: #367d65;
  --green-soft: #edf7f1;
  --purple: #7959ad;
  --purple-soft: #f3eef9;
  --amber: #99611e;
  --amber-soft: #fff5e6;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --sans: LocalSans, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
summary {
  touch-action: manipulation;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: var(--blue);
  text-decoration: none;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid #8eaaed;
  outline-offset: 3px;
}
button,
input,
select {
  border-radius: 7px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3,
strong,
b {
  color: var(--ink);
}
code {
  font-family: var(--mono);
  font-size: 0.92em;
}
input,
select {
  border: 1px solid #d9e0ea;
  background: #fff;
  min-height: 40px;
  padding: 8px 11px;
  color: var(--ink);
  min-width: 0;
  width: 100%;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
input {
  font-family: var(--mono);
  font-size: 13px;
}
input::placeholder {
  color: #a4adbb;
  font-size: 12px;
}
input:hover,
select:hover {
  border-color: #b5c1d5;
}
input:focus,
select:focus {
  outline: none;
  border-color: #6283d4;
  box-shadow: 0 0 0 3px #315bcd12;
}
.site-header {
  background: #ffffffed;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
}
.header-inner {
  max-width: 1424px;
  margin: auto;
  height: 76px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 20px;
  letter-spacing: -0.6px;
  color: var(--ink);
  font-weight: 720;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-light {
  font-weight: 400;
  color: #748098;
}
.brand-icon {
  width: 33px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 9px 8px;
  background: var(--ink);
}
.brand-icon i {
  height: 2px;
  width: 17px;
  background: #bedeb4;
  border-radius: 3px;
}
.brand-icon i:nth-child(2) {
  width: 11px;
}
.header-inner nav {
  display: flex;
  align-self: stretch;
  gap: 34px;
}
.nav-link {
  font-size: 13px;
  color: #7b8493;
  display: flex;
  align-items: center;
  position: relative;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--ink);
}
.nav-link.active:after {
  content: '';
  position: absolute;
  height: 2px;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
}
.local-badge {
  font-size: 11px;
  display: flex;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 5px 10px;
  color: #66758a;
}
.local-badge > span,
.status-dot {
  width: 6px;
  height: 6px;
  background: #6ca38b;
  display: inline-block;
  border-radius: 50%;
}
main {
  max-width: 1424px;
  margin: auto;
  padding: 0 40px;
}
.intro {
  padding: 48px 0 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.eyebrow {
  font-family: var(--mono);
  letter-spacing: 2.3px;
  font-size: 10px;
  color: #71829c;
  margin-bottom: 12px;
}
h1 {
  font-size: 36px;
  font-weight: 650;
  letter-spacing: -1.1px;
  line-height: 1.3;
}
.intro-copy {
  margin-top: 12px;
  font-size: 14px;
  color: #778397;
}
.button {
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  white-space: nowrap;
  font-size: 12px;
  min-height: 38px;
  padding: 8px 14px;
  transition:
    background 0.15s,
    transform 0.15s;
  border-radius: 7px;
  font-weight: 500;
  line-height: 1.4;
}
.button:hover {
  transform: translateY(-1px);
}
.button.primary {
  background: var(--ink);
  color: #fff;
}
.button.primary:hover {
  background: #2c466f;
}
.button.secondary {
  background: #fff;
  border-color: #dbe2eb;
  color: var(--text);
}
.button.secondary:hover {
  background: #f5f7fb;
}
.button.subtle {
  color: #6c7a8f;
  background: transparent;
  border-color: var(--line);
}
.button.subtle:hover {
  background: #eceff4;
}
.button.small {
  font-size: 11px;
  min-height: 33px;
  padding: 6px 11px;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-number {
  font: 11px var(--mono);
  color: #8592a6;
  align-self: flex-start;
  border: 1px solid #d9e0eb;
  border-radius: 5px;
  padding: 5px 6px;
  line-height: 1;
  margin-top: 3px;
}
.section-label h2 {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.3px;
}
.legend {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tag {
  display: inline-flex;
  white-space: nowrap;
  align-items: center;
  font-size: 9px;
  line-height: 1.6;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.1px;
}
.tag.exact {
  background: var(--purple-soft);
  color: var(--purple);
}
.tag.range {
  background: var(--blue-soft);
  color: #5475b6;
}
.tag.inferred {
  background: #e9f5f0;
  color: #40856a;
}
.tag.fallback {
  background: #eef0f3;
  color: #7d8794;
}
.flowboard {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 35px minmax(250px, 0.92fr) 35px minmax(285px, 1.04fr);
  padding: 26px 24px 24px;
  box-shadow: 0 5px 20px #16304703;
}
.flow-lane {
  min-width: 0;
}
.lane-title {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-bottom: 24px;
  min-height: 40px;
}
.step {
  background: #eef1f6;
  color: #5e718e;
  border-radius: 50%;
  font: 11px var(--mono);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.lane-title h3 {
  font-size: 14px;
  font-weight: 650;
}
.lane-title p {
  font-size: 11px;
  color: #95a0ae;
  margin-top: 2px;
}
.source-box {
  border: 1px solid #e1e6ef;
  border-radius: 7px;
  padding: 11px 12px;
  background: #fcfdff;
}
.source-box-title {
  display: flex;
  gap: 6px;
  align-items: center;
  position: relative;
  margin-bottom: 7px;
  flex-wrap: wrap;
}
.source-box-title strong {
  font-size: 12px;
  font-weight: 600;
}
.source-box-title .tag {
  margin-left: auto;
}
.remote-box {
  border-color: #cbd6ed;
  background: #f5f8ff;
  padding-top: 13px;
}
.priority-label {
  font-size: 8px;
  background: #49669e;
  color: #fff;
  border-radius: 3px;
  position: absolute;
  right: 0;
  top: -20px;
  padding: 2px 6px;
  letter-spacing: 1px;
}
.remote-box p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  font-size: 10px;
}
.remote-box p > span {
  width: 100%;
  padding-left: 23px;
  color: #8b98ad;
  font: 9px var(--mono);
  margin-top: -5px;
}
.source-box b {
  font: 9px var(--mono);
  color: #8496b1;
  min-width: 16px;
}
.source-box small {
  font-size: 9px;
  color: #8592a6;
  display: block;
  line-height: 1.6;
  margin-top: 6px;
}
.source-line {
  display: flex;
  gap: 7px;
  align-items: center;
  margin-top: 5px;
  font-size: 10px;
}
.source-line .tag {
  margin-left: auto;
}
.source-line code {
  overflow-wrap: anywhere;
}
.stack-arrow {
  text-align: center;
  height: 17px;
  line-height: 17px;
  color: #b0bdce;
  font-size: 12px;
}
.lock-box {
  background: #fcfefd;
}
.other-box {
  padding-bottom: 8px;
}
.other-box .source-line {
  font-size: 9px;
  line-height: 1.55;
  margin-top: 3px;
}
.lane-note {
  font-size: 9px;
  color: #8b96a6;
  margin-top: 10px;
  line-height: 1.8;
}
.flow-connector {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 98px;
  color: #a9b8ce;
  font-size: 22px;
}
.derive-node {
  background: #f5f2fa;
  border: 1px solid #e3ddec;
  border-radius: 7px;
  padding: 13px 12px;
}
.node-kicker {
  font-size: 9px;
  color: #8d7b9e;
  display: block;
  margin-bottom: 5px;
}
.derive-node > strong,
.process-node > strong,
.retained-node > strong {
  font-size: 12px;
  display: block;
  font-weight: 600;
  line-height: 1.7;
}
.derive-node p,
.process-node p,
.retained-node p {
  font-size: 10px;
  color: #7e8291;
  margin-top: 8px;
  line-height: 1.8;
}
.pair-example {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 9px;
  margin-top: 9px;
  padding: 7px 8px;
  border-radius: 4px;
  background: #fff9;
  color: #77698d;
  flex-wrap: wrap;
}
.pair-example code:last-child {
  font-size: 8px;
}
.vertical-arrow {
  height: 29px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  color: #acb9cb;
  font-size: 15px;
}
.vertical-arrow span {
  font-size: 9px;
  color: #9ba6b6;
}
.process-node {
  padding: 13px 12px;
  background: #f8faff;
  border: 1px solid #dfe6f2;
  border-radius: 7px;
}
.process-node .node-kicker {
  color: #8194b4;
}
.decision-node {
  background: #fff;
  border: 1px solid #d6deea;
  border-radius: 7px;
  padding: 14px 9px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.decision-icon {
  font-size: 25px;
  color: #889dbd;
}
.decision-node strong {
  font-size: 11px;
  line-height: 1.8;
  font-weight: 550;
}
.branch-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.branch {
  margin-top: 21px;
  border: 1px solid;
  border-radius: 5px;
  padding: 9px 7px;
  position: relative;
  text-align: center;
  font-size: 10px;
}
.branch-label {
  position: absolute;
  font-size: 9px;
  top: -20px;
  left: 0;
  right: 0;
  line-height: 18px;
}
.branch strong {
  font-size: 10px;
  display: block;
  font-weight: 550;
}
.branch small {
  font-size: 9px;
  display: block;
  line-height: 1.7;
  margin-top: 4px;
}
.yes-branch {
  background: #f0f7f3;
  border-color: #d9e9e0;
  color: #618572;
}
.yes-branch strong {
  color: #4e775f;
}
.no-branch {
  background: #fff8eb;
  border-color: #ede2ce;
  color: #b28d52;
}
.no-branch strong {
  color: #997744;
}
.join-line {
  height: 15px;
  width: 51%;
  margin: 0 auto;
  border: 1px solid #d8e1ed;
  border-top: 0;
}
.next-source {
  font-size: 9px;
  color: #8a98ab;
  text-align: center;
  padding-top: 7px;
  margin-bottom: 18px;
}
.next-source span {
  font-size: 13px;
  margin-right: 4px;
}
.retained-node {
  background: #f2f5fa;
  border: 1px dashed #becadf;
  border-radius: 7px;
  padding: 12px;
}
.retained-node .node-kicker {
  color: #7c8fae;
}
.selection-block {
  border: 1px solid #e0e6f0;
  border-radius: 8px;
  padding: 13px 12px;
}
.selection-title {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
  border-bottom: 1px solid #edf0f5;
  padding-bottom: 9px;
}
.selection-title strong {
  font-size: 12px;
  font-weight: 600;
}
.node-symbol,
.pm-symbol {
  font-size: 17px;
  color: #678c65;
  line-height: 1;
}
.pm-symbol {
  color: #a58b67;
  font-size: 14px;
}
.selection-row {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  position: relative;
}
.mini-number {
  font-size: 12px;
  color: #9babc1;
  line-height: 1.6;
}
.selection-row b {
  font-size: 10px;
  font-weight: 550;
  display: block;
}
.selection-row p {
  font-size: 9px;
  color: #8d9aab;
  margin-top: 3px;
}
.selection-row > .tag {
  margin-left: auto;
  font-size: 8px;
  padding: 1px 5px;
}
.otherwise {
  font-size: 8px;
  color: #9dabbf;
  margin-left: 22px;
  height: 23px;
  padding-top: 4px;
}
.fallback-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.fallback-split > div {
  background: #f6f7fa;
  border: 1px solid #e7ebf1;
  border-radius: 5px;
  padding: 9px 7px;
}
.fallback-split code {
  font-size: 9px;
  color: #687c99;
  display: block;
}
.fallback-split strong {
  display: block;
  font-size: 9px;
  font-weight: 500;
  margin-top: 4px;
}
.compat-question {
  font-size: 9px;
  color: #8694a8;
  text-align: center;
  margin-top: 12px;
}
.pm-branches .branch {
  padding: 7px 4px;
}
.pm-branches .branch strong {
  font-size: 9px;
}
.neutral {
  background: #f5f7fb;
  border-color: #e1e7f0;
  color: #8595ad;
}
.neutral strong {
  color: #657a9c;
}
.output-node {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  background: #253955;
  border-radius: 7px;
  padding: 13px 6px;
  box-shadow: 0 4px 10px #1c2d4910;
}
.output-node strong {
  color: #e7edf7;
  font-weight: 500;
  font-size: 11px;
}
.output-node > span:last-child {
  width: 100%;
  text-align: center;
  font-size: 8px;
  letter-spacing: 0.3px;
  color: #8ea4bc;
}
.rule-footnote {
  margin: 14px 0 0;
  display: flex;
  gap: 9px;
  font-size: 10px;
  line-height: 1.9;
  color: #8a94a3;
}
.rule-footnote > span {
  font-size: 15px;
  color: #a9b5c5;
}
.rule-footnote strong {
  font-weight: 500;
  color: #6e7d93;
}
.rule-footnote a {
  color: #6c86b3;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prerelease-rule {
  margin-top: 24px;
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8faff;
  font-size: 14px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.prerelease-rule h3 {
  margin-bottom: 12px;
  font-size: 16px;
}
.prerelease-rule > p + p {
  margin-top: 8px;
}
.prerelease-example {
  margin-top: 16px;
  padding: 12px 16px;
  border-left: 3px solid var(--blue);
  background: var(--paper);
}
.prerelease-example > code {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
}
.calculator-section {
  margin-top: 66px;
}
.section-description {
  font-size: 12px;
  color: #8a96a7;
  margin-top: 5px;
}
.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
}
.preset-bar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0 0 20px;
}
.preset-bar > span {
  font-size: 10px;
  color: #8e9aae;
  line-height: 28px;
  white-space: nowrap;
}
#presets {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}
.preset {
  background: #f0f2f6;
  border: 1px solid #e3e7ee;
  border-radius: 20px;
  font-size: 10px;
  color: #78869b;
  padding: 5px 11px;
  line-height: 1.6;
  transition: all 0.15s;
}
.preset:hover {
  border-color: #adbbd3;
  background: #e9edf5;
}
.preset.active {
  background: #eaf0fe;
  border-color: #bfcceb;
  color: #4768a6;
}
.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr);
  gap: 22px;
  align-items: start;
}
.form-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  margin-bottom: 13px;
  padding: 20px;
}
.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.panel-heading h3,
summary h3 {
  font-size: 13px;
  font-weight: 600;
}
.panel-kicker {
  font-size: 8px;
  color: #93a0b3;
  display: block;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.panel-description {
  font-size: 10px;
  color: #8f99a9;
  margin-top: 8px;
  line-height: 1.8;
}
.runtime-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px 16px;
  margin-top: 17px;
}
.field {
  min-width: 0;
  display: block;
}
.field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  min-height: 18px;
  font-size: 10px;
  color: #728198;
  line-height: 1.5;
}
.field-label code {
  font-size: 10px;
  overflow-wrap: anywhere;
}
.field-caption {
  font-size: 9px;
  color: #9ba6b6;
  margin-top: 4px;
  display: block;
}
.field-state {
  flex-shrink: 0;
  font-size: 8px;
  color: #92a0b4;
}
.field-state.accepted {
  color: #639377;
}
.field-state.ignored,
.field-state.invalid {
  color: #b1854f;
}
.field-state.skipped {
  color: #9ca5b4;
}
.field input.ignored,
.field input.invalid {
  border-color: #e0c193;
  background: #fffcf6;
}
.field input.accepted {
  border-left-color: #8caf98;
  border-left-width: 2px;
}
.environment-panel {
  background: #fdfdfe;
}
.text-button {
  color: #7a8cac;
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 10px;
  line-height: 1.6;
}
.text-button:hover {
  color: #4269b3;
}
.environment-panel .text-button {
  margin-top: 12px;
}
details.form-panel {
  padding: 0;
}
summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
}
summary::-webkit-details-marker {
  display: none;
}
summary .chevron {
  font-size: 15px;
  color: #9aa9bd;
  transition: transform 0.15s;
}
details[open] > summary .chevron {
  transform: rotate(180deg);
}
.summary-left {
  display: flex;
  gap: 11px;
  align-items: center;
}
.group-index {
  font: 9px var(--mono);
  color: #7f95b7;
  width: 31px;
  height: 29px;
  border: 1px solid #e2e8f2;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.group-meta {
  font-size: 9px;
  color: #8e9cae;
  margin-top: 2px;
}
.details-content {
  padding: 0 20px 20px;
}
.source-fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 17px 16px;
  padding-top: 2px;
}
.source-fields-grid .field.full {
  grid-column: 1/-1;
}
.source-fields-grid .field + .field.full {
  margin-top: 0;
}
.group-note {
  font-size: 9px;
  color: #9aa5b5;
  margin: 12px 0 0;
  line-height: 1.8;
}
.extra-panel .details-content > .panel-description {
  margin-top: 0;
  margin-bottom: 15px;
}
.additional-row {
  display: grid;
  grid-template-columns: minmax(110px, 1.4fr) 62px minmax(90px, 1fr) 26px;
  gap: 8px;
  align-items: end;
  margin-bottom: 10px;
}
.additional-row label {
  font-size: 9px;
  color: #8e9baf;
}
.additional-row input,
.additional-row select {
  font-size: 10px;
  margin-top: 4px;
  height: 36px;
  min-height: 36px;
  padding: 6px;
}
.remove-row {
  border: 0;
  background: #f4f6f9;
  color: #93a0b4;
  width: 26px;
  height: 33px;
  margin-bottom: 1px;
}
.additional-badge {
  grid-column: 1/-1;
  font-size: 9px;
  color: #8a9ab1;
  line-height: 1;
  margin-top: -4px;
  margin-bottom: 4px;
}
.sticky-results {
  position: sticky;
  top: 95px;
}
.results-column {
  align-self: stretch;
  min-width: 0;
}
.result-panel {
  border: 1px solid #d7e0ee;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 3px 20px #23385b04;
  overflow: hidden;
}
.result-panel-head {
  padding: 16px 20px;
  background: #f3f6fc;
  border-bottom: 1px solid #e2e8f1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: #778ba9;
}
.result-live {
  font: 8px var(--mono);
  color: #8e9fb8;
  display: flex;
  gap: 5px;
  align-items: center;
}
.result-live .status-dot {
  width: 4px;
  height: 4px;
}
.version-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 21px 20px 17px;
  gap: 15px;
}
.version-card + .version-card {
  border-left: 1px solid #e8edf3;
  padding-left: 19px;
}
.version-card-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  color: #7f8faa;
  margin-bottom: 5px;
}
.version-number {
  font: 600 28px var(--mono);
  letter-spacing: -1.5px;
  color: #2b4265;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.version-reason {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #7b8daa;
  font-size: 8px;
  margin-top: 7px;
}
.version-reason span {
  color: #507aa5;
}
.compat-line {
  margin: 0 20px 17px;
  padding: 8px 10px;
  border-radius: 5px;
  background: #f3f8f4;
  color: #7a9785;
  font-size: 9px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.compat-line code {
  color: #5e806a;
  overflow-wrap: anywhere;
}
.decision-reasons {
  padding: 0 20px 16px;
}
.decision-reasons p {
  font-size: 10px;
  color: #8c99ab;
  margin-bottom: 7px;
  line-height: 1.8;
}
.decision-reasons b {
  color: #5c7394;
  font-size: 10px;
  font-weight: 500;
}
.condition-details {
  border-top: 1px solid #e7edf4;
}
.condition-details > summary {
  font-size: 10px;
  color: #7e90aa;
  padding: 11px 20px;
}
.condition-details .details-content {
  padding-top: 0;
  font-size: 9px;
  color: #8b98ad;
}
.condition-title {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 10px;
  margin-bottom: 5px;
  color: #a0adbf;
}
.condition-chip {
  display: block;
  font: 9px/1.7 var(--mono);
  padding: 4px 6px;
  border: 1px solid #e9edf3;
  border-radius: 4px;
  margin: 4px 0;
  background: #f9fafc;
  color: #6b7f9f;
  overflow-wrap: anywhere;
}
.condition-chip small {
  display: block;
  color: #99a6b9;
  font-family: var(--sans);
  font-size: 8px;
}
.candidate-list {
  max-height: 90px;
  overflow: auto;
  font: 9px/1.8 var(--mono);
  word-break: break-word;
  background: #f8fafe;
  padding: 6px;
  border-radius: 4px;
  color: #8193ae;
}
.warning-panel {
  margin-top: 13px;
  border-radius: 9px;
  border: 1px solid #e8d7bb;
  background: #fffaf1;
  padding: 14px 16px;
}
.warning-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 500;
  color: #ad8347;
}
.warning-count {
  font: 9px var(--mono);
  background: #f5e6ce;
  border-radius: 20px;
  min-width: 19px;
  text-align: center;
  padding: 1px 5px;
}
.warning-item {
  border-top: 1px solid #eee2ce;
  margin-top: 11px;
  padding-top: 10px;
  font-size: 10px;
  line-height: 1.9;
  color: #aa906b;
  overflow-wrap: anywhere;
}
.warning-item b {
  display: block;
  font: 9px var(--mono);
  color: #a4804e;
  margin-bottom: 5px;
}
.warning-item small {
  display: block;
  font-size: 9px;
  color: #b49b79;
  margin-top: 5px;
}
.no-warning {
  margin-top: 12px;
  background: #eff6f1;
  border: 1px solid #dfebe3;
  border-radius: 7px;
  padding: 10px 14px;
  color: #779181;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
}
.trace-panel {
  margin-top: 19px;
}
.trace-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px;
  margin-bottom: 11px;
}
.trace-heading h3 {
  font-size: 11px;
  font-weight: 500;
  color: #7187a6;
}
.trace-heading > span {
  font-size: 9px;
  color: #a0aec1;
}
.trace-list {
  max-height: 470px;
  overflow: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: #d6dfea transparent;
}
.trace-item {
  border: 1px solid #e0e7f0;
  background: #fff;
  border-radius: 7px;
  margin-bottom: 7px;
  overflow: hidden;
}
.trace-item > summary {
  padding: 10px 11px;
  gap: 8px;
}
.trace-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  border-radius: 50%;
  background: #eff5f1;
  color: #7b9b84;
}
.trace-item.ignored .trace-icon,
.trace-item.invalid .trace-icon {
  background: #fcf2e4;
  color: #b3915d;
}
.trace-item.skipped .trace-icon {
  background: #f1f3f7;
  color: #97a4b8;
}
.trace-text {
  flex: 1;
  min-width: 0;
}
.trace-name {
  font: 9px var(--mono);
  color: #778ba8;
  overflow-wrap: anywhere;
  line-height: 1.7;
}
.trace-value {
  font: 9px var(--mono);
  color: #9caabd;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.trace-label {
  font-size: 8px;
  color: #80a08b;
  white-space: nowrap;
}
.ignored .trace-label,
.invalid .trace-label {
  color: #b69767;
}
.skipped .trace-label {
  color: #9ba8ba;
}
.trace-item > .trace-detail {
  padding: 0 12px 12px 35px;
  font-size: 9px;
  color: #8496b0;
  line-height: 1.9;
}
.trace-detail code {
  font-size: 9px;
  color: #6f87ab;
  overflow-wrap: anywhere;
}
.trace-detail .derivation-group {
  border-top: 1px solid #edf0f6;
  padding-top: 7px;
  margin-top: 7px;
}
.derivation-row {
  font-size: 9px;
  margin: 5px 0;
  color: #97a5ba;
}
.derivation-row span {
  color: #9b8bae;
}
.derivation-row small {
  display: block;
  font-size: 8px;
  color: #acb6c4;
}
.trace-detail p {
  margin: 6px 0;
}
.trace-empty {
  font-size: 10px;
  color: #95a3b7;
  border: 1px dashed #d8e2ef;
  border-radius: 7px;
  padding: 17px;
  text-align: center;
}
.data-section {
  margin-top: 58px;
}
.data-date {
  font: 10px var(--mono);
  color: #95a0af;
}
.data-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 17px;
  overflow: hidden;
}
.data-panel > summary {
  padding: 20px 24px;
}
.data-panel summary p {
  font-size: 11px;
  color: #929eae;
  margin-top: 4px;
}
.data-panel > .details-content {
  padding: 0 24px 22px;
}
.mapping-note {
  font-size: 10px;
  color: #8796ac;
  background: #f5f7fb;
  border-left: 2px solid #b6c6e1;
  padding: 10px 12px;
  margin-bottom: 17px;
  line-height: 1.8;
}
.table-scroll {
  overflow: auto;
}
.mapping-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
  text-align: left;
  font-size: 11px;
}
.mapping-table th {
  font-size: 10px;
  font-weight: 500;
  color: #95a2b5;
  background: #fafbfd;
  padding: 8px 10px;
  border-bottom: 1px solid #e8edf5;
}
.mapping-table td {
  padding: 7px 10px;
  border-bottom: 1px solid #f0f3f7;
  color: #8394ad;
}
.mapping-table input,
.mapping-table select {
  min-height: 31px;
  height: 31px;
  font-size: 10px;
  padding: 5px 8px;
  border-color: #e4e9f1;
}
.mapping-table td:nth-child(1) {
  width: 110px;
}
.mapping-table td:nth-child(2) {
  width: 115px;
}
.mapping-table td:nth-child(3) {
  width: 185px;
}
.mapping-table td:nth-child(4) {
  font-size: 9px;
  color: #929eb0;
  min-width: 230px;
}
.mapping-table a {
  color: #9aa9c0;
  white-space: nowrap;
  font-size: 9px;
  margin-left: 6px;
}
.mapping-actions {
  display: flex;
  gap: 18px;
  margin-top: 14px;
}
.catalog-panel {
  padding: 22px 24px;
}
.catalog-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.catalog-stat {
  background: #f8fafd;
  border: 1px solid #e8edf5;
  border-radius: 7px;
  padding: 13px 16px;
}
.catalog-stat strong {
  font: 23px var(--mono);
  font-weight: 500;
  color: #677e9f;
  display: block;
}
.catalog-stat span {
  font-size: 10px;
  color: #9aa7b9;
}
.catalog-sources {
  font-size: 9px;
  color: #9aa8bb;
  margin: 14px 0 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.catalog-sources a {
  color: #8298b7;
}
.custom-version {
  border-top: 1px solid #e8edf5;
  margin-top: 20px;
}
.custom-version summary {
  font-size: 11px;
  color: #7e90ab;
  padding: 15px 0 0;
  justify-content: flex-start;
  gap: 12px;
}
.custom-version summary > span:not(.chevron) {
  color: #a7b3c4;
  font-size: 9px;
}
.custom-version .chevron {
  margin-left: auto;
}
.custom-version-form {
  display: grid;
  grid-template-columns: 110px 1fr 1.3fr auto;
  align-items: end;
  gap: 12px;
  margin-top: 17px;
}
.custom-version-form label {
  font-size: 10px;
  color: #8e9fb7;
}
.custom-version-form input,
.custom-version-form select {
  margin-top: 5px;
  font-size: 11px;
  min-height: 36px;
  height: 36px;
}
.custom-version-form .button {
  height: 36px;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 30px 0 35px;
  margin-top: 35px;
  border-top: 1px solid var(--line);
  font-size: 9px;
  color: #a1abba;
}
.footer-brand {
  font-weight: 600;
  letter-spacing: -0.2px;
  color: #6e7d92;
  font-size: 12px;
}
footer > span:last-child {
  font: 8px var(--mono);
  letter-spacing: 1.3px;
}
.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  background: #273c5e;
  color: #e6edf7;
  box-shadow: 0 7px 30px #1c2d4925;
  border-radius: 8px;
  padding: 11px 20px;
  max-width: min(90vw, 600px);
  font-size: 12px;
}
.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;
  top: -100px;
  left: 15px;
  background: #fff;
  z-index: 100;
  padding: 10px;
}
.skip-link:focus {
  top: 10px;
}
.empty-result {
  padding: 24px;
  color: #97a5ba;
  font-size: 12px;
}
.pulse {
  animation: result-in 0.2s ease-out;
}
@keyframes result-in {
  from {
    opacity: 0.6;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1500px) {
  .flowboard {
    padding: 30px;
    grid-template-columns: minmax(290px, 1fr) 45px minmax(280px, 0.92fr) 45px minmax(310px, 1.04fr);
  }
  .source-line {
    font-size: 11px;
  }
  .source-box {
    padding: 12px 14px;
  }
  .source-box small {
    font-size: 10px;
  }
  .other-box .source-line {
    font-size: 10px;
  }
  .remote-box p > span {
    font-size: 10px;
  }
  .derive-node > strong,
  .process-node > strong {
    font-size: 13px;
  }
  .derive-node p,
  .process-node p,
  .retained-node p {
    font-size: 11px;
  }
  .selection-row b {
    font-size: 11px;
  }
  .selection-row p {
    font-size: 10px;
  }
  .selection-block {
    padding: 15px;
  }
  .branch strong {
    font-size: 11px;
  }
  .flowboard .tag {
    font-size: 9px;
  }
}
@media (max-width: 1100px) {
  main {
    padding: 0 25px;
  }
  .header-inner {
    padding: 0 25px;
  }
  .flowboard {
    grid-template-columns: minmax(215px, 1fr) 18px minmax(215px, 1fr) 18px minmax(240px, 1fr);
    padding: 20px 16px;
  }
  .flow-connector {
    font-size: 16px;
  }
  .source-line {
    font-size: 9px;
  }
  .source-box {
    padding: 10px;
  }
  .remote-box p {
    font-size: 9px;
  }
  .source-line .tag {
    font-size: 7px;
  }
  .flowboard .tag {
    font-size: 8px;
  }
  .source-box-title strong {
    font-size: 11px;
  }
  .lane-title h3 {
    font-size: 12px;
  }
  .lane-title p {
    font-size: 9px;
  }
  .lane-title {
    gap: 8px;
  }
  .selection-row > .tag {
    display: none;
  }
  .selection-row b {
    font-size: 9px;
  }
  .selection-row p {
    font-size: 8px;
  }
  .fallback-split strong {
    font-size: 8px;
  }
  .selection-block {
    padding: 11px 9px;
  }
  .derive-node > strong,
  .process-node > strong,
  .retained-node > strong {
    font-size: 11px;
  }
  .branch strong {
    font-size: 9px;
  }
  .pm-branches .branch strong {
    font-size: 8px;
  }
  .calculator-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 1fr);
    gap: 16px;
  }
  .source-fields-grid {
    grid-template-columns: 1fr;
  }
  .source-fields-grid .field.full {
    grid-column: auto;
  }
  .version-number {
    font-size: 24px;
  }
  .field-label code {
    font-size: 10px;
  }
  .panel-heading > .tag {
    font-size: 8px;
  }
  .custom-version-form {
    grid-template-columns: 90px 1fr 1fr;
  }
  .custom-version-form .button {
    grid-column: 3;
  }
  .rule-footnote {
    font-size: 9px;
  }
}
@media (max-width: 850px) {
  main {
    padding: 0 20px;
  }
  .header-inner {
    height: 65px;
    padding: 0 20px;
  }
  .header-inner nav {
    gap: 20px;
  }
  .local-badge {
    display: none;
  }
  .brand {
    font-size: 18px;
  }
  .intro {
    padding-top: 35px;
  }
  h1 {
    font-size: 30px;
  }
  .intro-copy {
    font-size: 12px;
  }
  .flowboard {
    grid-template-columns: 1fr;
    padding: 22px;
    gap: 0;
  }
  .flow-connector {
    padding: 0;
    height: 38px;
    align-items: center;
    transform: rotate(90deg);
  }
  .flow-lane {
    display: flex;
    flex-direction: column;
    max-width: none;
  }
  .source-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: start;
  }
  .source-stack .stack-arrow {
    display: none;
  }
  .source-box {
    height: 100%;
  }
  .source-stack .source-box:nth-child(3) {
    grid-column: 2;
    grid-row: 1;
  }
  .source-stack .source-box:nth-child(5) {
    grid-column: 1;
    grid-row: 2;
  }
  .source-stack .source-box:nth-child(7) {
    grid-column: 2;
    grid-row: 2;
  }
  .source-line {
    font-size: 11px;
  }
  .other-box .source-line {
    font-size: 10px;
  }
  .lane-title h3 {
    font-size: 14px;
  }
  .lane-title p {
    font-size: 10px;
  }
  .lane-note {
    font-size: 10px;
  }
  .source-box-title strong {
    font-size: 12px;
  }
  .source-box small {
    font-size: 10px;
  }
  .remote-box p {
    font-size: 10px;
  }
  .remote-box p > span {
    font-size: 9px;
  }
  .merge-lane {
    max-width: 540px;
    align-self: center;
    width: 100%;
    margin: auto;
  }
  .merge-lane .derive-node p,
  .merge-lane .process-node p,
  .merge-lane .retained-node p {
    font-size: 11px;
  }
  .merge-lane .node-kicker {
    font-size: 10px;
  }
  .merge-lane strong {
    font-size: 13px;
  }
  .branch small {
    font-size: 10px;
  }
  .pair-example {
    font-size: 11px;
  }
  .pair-example code:last-child {
    font-size: 10px;
  }
  .select-lane {
    max-width: 540px;
    align-self: center;
    width: 100%;
    margin: auto;
  }
  .selection-row b {
    font-size: 12px;
  }
  .selection-row p {
    font-size: 10px;
  }
  .selection-title strong {
    font-size: 14px;
  }
  .selection-row > .tag {
    display: inline-flex;
    font-size: 9px;
  }
  .selection-block {
    padding: 16px;
  }
  .fallback-split strong {
    font-size: 11px;
  }
  .fallback-split code {
    font-size: 11px;
  }
  .compat-question {
    font-size: 11px;
  }
  .pm-branches .branch strong {
    font-size: 10px;
  }
  .output-node strong {
    font-size: 13px;
  }
  .output-node > span:last-child {
    font-size: 10px;
  }
  .next-source {
    font-size: 10px;
  }
  .section-heading {
    align-items: flex-start;
  }
  .legend {
    gap: 4px;
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 170px;
  }
  .section-label h2 {
    font-size: 17px;
  }
  .calculator-grid {
    grid-template-columns: 1fr;
  }
  .sticky-results {
    position: static;
  }
  .source-fields-grid {
    grid-template-columns: 1fr 1fr;
  }
  .results-column {
    grid-row: 1;
  }
  .version-number {
    font-size: 31px;
  }
  .trace-list {
    max-height: 320px;
  }
  .trace-name,
  .trace-value {
    font-size: 10px;
  }
  .version-reason {
    font-size: 10px;
  }
  .compat-line {
    font-size: 10px;
  }
  .decision-reasons p {
    font-size: 11px;
  }
  .trace-panel {
    margin-bottom: 16px;
  }
  .calculator-section,
  .data-section {
    margin-top: 44px;
  }
  .toolbar .button {
    font-size: 10px;
    min-height: 34px;
    padding: 7px 10px;
  }
  .section-description {
    font-size: 11px;
  }
  .mapping-table td:nth-child(4) {
    min-width: 210px;
  }
  .catalog-panel .panel-heading {
    align-items: flex-start;
  }
  .catalog-stats {
    gap: 8px;
  }
  .catalog-stat {
    padding: 12px;
  }
  .catalog-stat strong {
    font-size: 22px;
  }
  .data-date {
    font-size: 8px;
    padding-top: 5px;
  }
}
@media (max-width: 520px) {
  main {
    padding: 0 14px;
  }
  .header-inner {
    padding: 0 14px;
    gap: 10px;
  }
  .header-inner nav {
    gap: 16px;
  }
  .nav-link {
    font-size: 11px;
  }
  .brand {
    font-size: 16px;
    gap: 8px;
  }
  .brand-icon {
    width: 29px;
    height: 29px;
    padding: 7px 6px;
    border-radius: 7px;
  }
  .nav-link:last-child {
    display: none;
  }
  .intro {
    padding: 28px 0;
  }
  .intro > .button {
    font-size: 10px;
    padding: 9px;
    min-height: 36px;
    gap: 5px;
    align-self: flex-end;
    margin-bottom: 3px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 1px;
    margin-bottom: 10px;
  }
  h1 {
    font-size: 26px;
    letter-spacing: -0.6px;
  }
  .intro-copy {
    font-size: 11px;
    max-width: 250px;
  }
  .intro {
    gap: 7px;
  }
  .section-label {
    gap: 9px;
  }
  .section-label h2 {
    font-size: 15px;
  }
  .section-number {
    font-size: 9px;
    padding: 5px;
  }
  .legend {
    max-width: 110px;
    gap: 4px;
  }
  .legend .tag {
    font-size: 7px;
    padding: 1px 4px;
  }
  .flowboard {
    padding: 18px 13px;
  }
  .source-stack {
    gap: 8px;
  }
  .source-box {
    padding: 9px;
  }
  .source-line {
    font-size: 9px;
    gap: 4px;
  }
  .source-line .tag {
    display: none;
  }
  .source-box-title .tag {
    font-size: 7px;
    margin-left: 0;
  }
  .source-box-title strong {
    font-size: 10px;
  }
  .other-box .source-line {
    font-size: 8px;
    line-height: 1.8;
  }
  .source-box small {
    font-size: 8px;
  }
  .remote-box p {
    font-size: 9px;
    gap: 4px;
  }
  .remote-box p > span {
    font-size: 7px;
    padding-left: 20px;
  }
  .source-box b {
    font-size: 8px;
  }
  .priority-label {
    font-size: 7px;
    top: -17px;
  }
  .lane-note {
    font-size: 9px;
  }
  .rule-footnote {
    font-size: 9px;
  }
  .calculator-section > .section-heading {
    display: block;
  }
  .calculator-section .toolbar {
    margin-top: 12px;
    padding-left: 32px;
  }
  .preset-bar {
    gap: 10px;
    padding-bottom: 16px;
  }
  .preset {
    font-size: 9px;
    padding: 4px 9px;
  }
  .preset-bar > span {
    font-size: 9px;
  }
  .form-panel {
    padding: 16px;
  }
  .source-fields-grid {
    grid-template-columns: 1fr;
  }
  .runtime-grid {
    gap: 12px;
  }
  .panel-description {
    font-size: 10px;
  }
  summary {
    padding: 16px;
  }
  .details-content {
    padding: 0 16px 16px;
  }
  .field-label code {
    font-size: 11px;
  }
  .field-label {
    font-size: 10px;
  }
  .additional-row {
    grid-template-columns: minmax(90px, 1.3fr) 50px minmax(70px, 1fr) 23px;
    gap: 5px;
  }
  .additional-row select,
  .additional-row input {
    font-size: 9px;
  }
  .version-number {
    font-size: 28px;
  }
  .version-results {
    padding: 18px 16px 13px;
  }
  .version-card + .version-card {
    padding-left: 16px;
  }
  .result-panel-head {
    padding: 13px 16px;
  }
  .data-panel > summary {
    padding: 17px 16px;
  }
  .data-panel > .details-content {
    padding: 0 16px 17px;
  }
  .data-panel summary p {
    font-size: 10px;
  }
  .catalog-panel {
    padding: 18px 16px;
  }
  .catalog-panel .panel-heading {
    display: block;
  }
  .catalog-panel .toolbar {
    margin-top: 12px;
  }
  .catalog-stats {
    grid-template-columns: 1fr 1fr;
    margin-top: 16px;
  }
  .custom-version-form {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .custom-version-form label:nth-child(3) {
    grid-column: 1/-1;
  }
  .custom-version-form .button {
    grid-column: 2;
  }
  .custom-version summary > span:not(.chevron) {
    display: none;
  }
  .data-date {
    max-width: 75px;
    line-height: 1.6;
    text-align: right;
  }
  .catalog-sources {
    gap: 8px;
    font-size: 8px;
  }
  footer {
    flex-wrap: wrap;
    gap: 10px;
  }
  footer p {
    order: 3;
    width: 100%;
    font-size: 8px;
  }
  .footer-brand {
    font-size: 11px;
  }
  .trace-heading h3 {
    font-size: 12px;
  }
  .trace-label {
    font-size: 9px;
  }
  .trace-detail {
    font-size: 10px;
  }
  .toast {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}
/* Diagram and calculator labels stay readable at normal desktop zoom. */
@media (min-width: 851px) {
  .flowboard .source-line {
    font-size: 11px;
  }
  .flowboard .source-box small {
    font-size: 10px;
  }
  .flowboard .other-box .source-line {
    font-size: 10px;
    line-height: 1.8;
  }
  .flowboard .remote-box p {
    font-size: 11px;
  }
  .flowboard .remote-box p > span {
    font-size: 10px;
  }
  .flowboard .source-box-title strong {
    font-size: 12px;
  }
  .flowboard .lane-title h3 {
    font-size: 14px;
  }
  .flowboard .lane-title p {
    font-size: 10px;
  }
  .flowboard .lane-note {
    font-size: 10px;
  }
  .flowboard .node-kicker {
    font-size: 10px;
  }
  .flowboard .derive-node > strong,
  .flowboard .process-node > strong,
  .flowboard .retained-node > strong {
    font-size: 13px;
  }
  .flowboard .derive-node p,
  .flowboard .process-node p,
  .flowboard .retained-node p {
    font-size: 11px;
  }
  .flowboard .selection-row b {
    font-size: 11px;
  }
  .flowboard .selection-row p {
    font-size: 10px;
  }
  .flowboard .selection-title strong {
    font-size: 13px;
  }
  .flowboard .decision-node strong {
    font-size: 12px;
  }
  .flowboard .pair-example {
    font-size: 10px;
  }
  .flowboard .pair-example code:last-child {
    font-size: 9px;
  }
  .flowboard .branch strong {
    font-size: 11px;
  }
  .flowboard .branch small {
    font-size: 10px;
  }
  .flowboard .fallback-split strong {
    font-size: 10px;
  }
  .flowboard .compat-question {
    font-size: 10px;
  }
  .flowboard .output-node strong {
    font-size: 12px;
  }
  .flowboard .output-node > span:last-child {
    font-size: 9px;
  }
  .flowboard .otherwise {
    height: 27px;
    font-size: 9px;
  }
  .flowboard .branch-label {
    font-size: 10px;
  }
  .flowboard .next-source {
    font-size: 10px;
  }
  .flowboard .tag {
    font-size: 9px;
  }
  .field-label,
  .field-label code {
    font-size: 11px;
  }
  .group-meta,
  .group-note,
  .field-caption {
    font-size: 10px;
  }
  .panel-heading h3,
  summary h3 {
    font-size: 14px;
  }
  .panel-description {
    font-size: 11px;
  }
  .decision-reasons p,
  .decision-reasons b {
    font-size: 11px;
  }
  .version-reason {
    font-size: 10px;
  }
  .trace-name,
  .trace-value {
    font-size: 10px;
  }
  .trace-label {
    font-size: 9px;
  }
  .trace-item > .trace-detail,
  .trace-detail code {
    font-size: 10px;
  }
  .warning-item {
    font-size: 11px;
  }
  .warning-item b,
  .warning-item small {
    font-size: 10px;
  }
  .rule-footnote {
    font-size: 11px;
  }
  .mapping-table td:nth-child(4) {
    font-size: 11px;
  }
  .mapping-table input,
  .mapping-table select {
    font-size: 12px;
  }
}
@media (min-width: 851px) and (max-width: 1100px) {
  .flowboard {
    grid-template-columns: minmax(235px, 1fr) 18px minmax(215px, 0.95fr) 18px minmax(230px, 1fr);
  }
  .flowboard .source-line {
    font-size: 10px;
  }
  .flowboard .lane-title h3 {
    font-size: 12px;
  }
  .flowboard .source-line .tag {
    display: none;
  }
  .flowboard .lane-title {
    align-items: flex-start;
  }
  .flowboard .derive-node > strong,
  .flowboard .process-node > strong,
  .flowboard .retained-node > strong {
    font-size: 12px;
  }
}
.directory-walk {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 11px;
  background: #f5f8fd;
  border: 1px solid #e4ebf5;
  border-radius: 6px;
  margin: 14px 0;
  color: #a2b0c4;
  font-size: 10px;
}
.directory-walk code {
  font-size: 10px;
  color: #8297b6;
}
.root-depth-field {
  display: grid;
  grid-template-columns: 1fr 75px;
  align-items: center;
  gap: 6px 12px;
  font-size: 11px;
  color: #7a8da9;
}
.root-depth-field input {
  height: 34px;
  min-height: 34px;
  padding: 6px 9px;
}
.root-depth-field small {
  grid-column: 1/-1;
  font-size: 10px;
  color: #9cabc0;
}
.directory-examples {
  margin: 14px 0 18px;
  border-top: 1px solid #e9eef6;
}
.directory-examples p {
  font-size: 10px;
  color: #91a1b9;
  padding-top: 11px;
  line-height: 1.9;
}
.directory-examples b {
  display: block;
  font-size: 10px;
  color: #6e84a3;
  font-weight: 500;
  margin-bottom: 2px;
}
.directory-examples span {
  display: block;
  color: #95a6be;
}
.directory-examples code {
  font-size: 10px;
  color: #8297b5;
}
.lane-note a {
  white-space: nowrap;
  color: #7f9cc6;
}
input[readonly] {
  background: #f3f5f8;
  border-color: #e1e6ed;
  color: #8392a7;
  cursor: default;
}
.scan-behavior-note {
  margin: 16px 0;
  padding: 12px;
  border: 1px solid #dce6f4;
  background: #f5f8fe;
  border-radius: 6px;
  font-size: 10px;
  color: #8296b4;
  line-height: 1.9;
}
.scan-behavior-note > b {
  display: block;
  font-size: 11px;
  color: #6380a8;
  font-weight: 500;
  margin-bottom: 5px;
}
.scan-behavior-note p + p {
  margin-top: 6px;
}
.scan-behavior-note code {
  font-size: 10px;
  color: #6e89ae;
}
.fact-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 25px 0 14px;
}
.fact-tabs {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.fact-tab {
  font-size: 12px;
  padding: 6px 14px;
  background: #f4f6fa;
  color: #8b9ab0;
  border: 1px solid #e1e7f0;
  min-height: 34px;
}
.fact-tab.active {
  background: #eaf0fb;
  color: #526fa5;
  border-color: #bfcdea;
}
.fact-search {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 11px;
  color: #91a1b8;
}
.fact-search input {
  max-width: 220px;
  min-height: 35px;
  height: 35px;
  font-size: 11px;
}
.fact-table {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
  font-size: 12px;
  min-width: 400px;
}
.fact-table th {
  background: #f7f9fc;
  padding: 10px 14px;
  color: #91a0b6;
  font-size: 11px;
  font-weight: 500;
  border-bottom: 1px solid #e3eaf4;
}
.fact-table td {
  padding: 9px 14px;
  border-bottom: 1px solid #edf1f7;
  color: #7a8eac;
}
.fact-table td:first-child {
  width: 24%;
}
.fact-table td:last-child {
  width: 115px;
}
.fact-table code {
  font-size: 12px;
}
.fact-table a {
  font-size: 10px;
  color: #8aa1c0;
  white-space: nowrap;
}
.fact-empty {
  text-align: center;
  padding: 25px !important;
  color: #98a6ba !important;
}
.fact-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  font-size: 10px;
  color: #99a7bb;
}
.fact-pagination > div {
  display: flex;
  gap: 7px;
}
@media (max-width: 520px) {
  .fact-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .fact-search input {
    max-width: none;
  }
  .fact-search > span {
    white-space: nowrap;
  }
  .fact-table {
    min-width: 360px;
  }
  .fact-tab {
    font-size: 11px;
    padding: 5px 12px;
  }
  .fact-pagination {
    font-size: 9px;
  }
  .fact-pagination .button {
    font-size: 9px;
    padding: 5px 8px;
  }
  .fact-table td,
  .fact-table th {
    padding: 8px 10px;
  }
}

.lock-options {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 20px;
  margin-top: 16px;
}
.lock-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  font-size: 12px;
  color: #63758d;
}
.lock-feature input {
  margin: 0;
  width: auto;
}

.additional-feature {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lock-family-field,
.additional-family-field {
  display: grid;
  gap: 5px;
  color: #63758d;
  font-size: 11px;
}
.lock-family-field {
  width: min(100%, 340px);
}
.lock-family-field select,
.additional-family-field select {
  min-height: 36px;
  height: 36px;
  font-size: 11px;
}
.additional-family-field {
  grid-column: 1 / -1;
  width: min(100%, 340px);
}
.additional-feature input {
  width: auto;
  margin: 0;
}

.lockfile-mapping-heading {
  padding: 24px 18px 12px;
  color: #7a8eac;
  line-height: 1.7;
}
.lockfile-mapping-table {
  min-width: 760px;
}
.fact-lockfiles {
  min-width: 220px;
}
.fact-lockfiles details,
.fact-bugs {
  margin-top: 8px;
}
.fact-bugs summary,
.fact-lockfiles summary {
  cursor: pointer;
}
.fact-bugs > summary {
  display: inline-flex;
  justify-content: flex-start;
  align-items: center;
  width: auto;
  min-height: 28px;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid #dfe6f0;
  border-radius: 6px;
  background: #f8fafd;
  color: #657b9b;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
}
.fact-bugs > summary:hover {
  border-color: #bdcae0;
  background: #f1f5fb;
  color: #4e6890;
}
.fact-bugs > summary .chevron {
  font-size: 12px;
  line-height: 1;
}
.fact-bug-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  margin-left: 3px;
  padding: 0 5px;
  border-radius: 999px;
  background: #e6edf8;
  color: #526b91;
  font: 10px var(--mono);
}
.fact-bug-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.fact-bug-item {
  min-width: 250px;
  max-width: 460px;
  padding: 9px 10px;
  border: 1px solid #e4eaf2;
  border-radius: 7px;
  background: #fbfcfe;
}
.fact-bug-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 5px;
}
.fact-bug-meta code {
  padding: 1px 5px;
  border-radius: 4px;
  background: #eef3f9;
  color: #536d91;
  font-size: 11px;
}
.fact-bug-item p {
  margin: 0 0 5px;
  color: #475569;
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.fact-bug-item a {
  display: inline-block;
  color: #5878a5;
  font-size: 11px;
}
.lockfile-mapping-table td {
  vertical-align: top;
}
.lockfile-mapping-table code {
  overflow-wrap: anywhere;
}

.fact-scroll-hint {
  display: none;
}
@media (max-width: 767px) {
  .fact-scroll-hint {
    display: block;
    padding: 0 18px 10px;
    color: #7a8eac;
    font-size: 11px;
  }
}