:root {
  --accent: #1a73e8;
  --accent-strong: #174ea6;
  --accent-soft: #e8f0fe;
  --ink: #172033;
  --muted: #515a6b;
  --line: #c7cbd6;
  --line-light: #e4e6ed;
  --surface: #f5f6fa;
  --paper: #ffffff;
  --page: #f7f7fb;
  --navy: #17324d;
  --navy-soft: #e9f1f8;
  --success: #176a55;
  --content-width: 80rem;
  --text-width: 74ch;
  --shadow-small: 0 0.25rem 0.9rem rgba(23, 32, 51, 0.08);
  --shadow-large: 0 1rem 2.5rem rgba(23, 32, 51, 0.1);
}

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

main > *,
.header-inner > *,
.test-entry > *,
.catalogue-heading > *,
.test-hero > *,
.step-detail > *,
.decision-grid > *,
.two-column > * {
  min-width: 0;
}

p,
li,
dd,
a {
  overflow-wrap: anywhere;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-strong);
  text-decoration-thickness: 0.14em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset: 0 auto auto 1rem;
  border: 0.15rem solid var(--accent);
  padding: 0.65rem 0.9rem;
  color: var(--ink);
  background: var(--paper);
  font-weight: 700;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0.5rem);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-top: 0.25rem solid var(--accent);
  border-bottom: 0.0625rem solid var(--line);
  background: var(--paper);
  box-shadow: 0 0.2rem 0.8rem rgba(23, 32, 51, 0.06);
}

.header-inner,
main {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 4.75rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
}

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

.brand-name {
  font-size: 1rem;
  font-weight: 800;
}

.brand-subtitle {
  border-left: 0.0625rem solid var(--line);
  padding-left: 0.7rem;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
}

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

main {
  padding-block: 3rem 5rem;
}

main:focus {
  outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.25;
  text-wrap: balance;
}

h1 {
  max-width: 24ch;
  margin-block: 0.3rem 1rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 750;
  letter-spacing: -0.025em;
}

h2 {
  margin-block: 2.8rem 1rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 720;
}

h3 {
  font-size: 1.22rem;
  font-weight: 700;
}

h4 {
  font-size: 1rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 0.9rem;
}

.eyebrow,
.test-number {
  margin-block: 0 0.4rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.library-introduction {
  max-width: 82ch;
  border-bottom: 0.0625rem solid var(--line);
  padding-bottom: 1.8rem;
}

.lede,
.hero-copy {
  max-width: 66ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  line-height: 1.55;
}

.scope-note {
  margin-top: 1.4rem;
  color: var(--muted);
}

.before-testing {
  scroll-margin-top: 1rem;
  border-bottom: 0.0625rem solid var(--line);
  padding-block: 2rem 2.5rem;
}

.before-testing > h2 {
  margin-top: 0;
}

.before-testing > ol {
  max-width: 82ch;
}

.result-guidance {
  margin-top: 2rem;
  border-top: 0.0625rem solid var(--line);
  padding-top: 1.25rem;
}

.source-guidance {
  max-width: 82ch;
  margin-top: 1.5rem;
  border-left: 0.25rem solid var(--accent);
  border-radius: 0 0.55rem 0.55rem 0;
  padding: 0.9rem 1rem;
  background: var(--accent-soft);
}

.source-guidance h3 {
  margin: 0 0 0.4rem;
}

.source-guidance p {
  margin-block: 0.35rem;
}

.result-guidance h3 {
  margin-top: 0;
}

.result-guidance dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 2.5rem;
  max-width: 70rem;
}

.result-guidance dl div {
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 0.55rem;
}

.result-guidance dt {
  font-weight: 700;
}

.result-guidance dd {
  margin: 0.2rem 0 0;
}

.reference-links {
  border-bottom: 0.0625rem solid var(--line);
  padding-block: 1.3rem 1.5rem;
}

.reference-links h2,
.method h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

.reference-links ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem 2rem;
  margin: 0;
  padding-left: 1.2rem;
}

.component-procedures {
  scroll-margin-top: 1rem;
  border-bottom: 0.0625rem solid var(--line);
  padding-block: 2.5rem 1rem;
}

.wcag-test-groups {
  scroll-margin-top: 1rem;
  padding-block: 3rem 1rem;
}

.section-introduction {
  max-width: 76ch;
  margin-bottom: 2rem;
}

.section-introduction h2 {
  margin-top: 0;
}

.procedure-index {
  margin-bottom: 2rem;
  border-block: 0.0625rem solid var(--line);
  padding-block: 1.25rem;
}

.procedure-index h3 {
  margin-top: 0;
  font-size: 1.15rem;
}

.procedure-index ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 2.5rem;
  margin-bottom: 0;
  padding-left: 1.6rem;
}

.component-procedure {
  border-top: 0.0625rem solid var(--line);
  padding-block: 1.5rem;
  scroll-margin-top: 1rem;
}

.procedure-header {
  max-width: 76ch;
}

.procedure-header h3 {
  margin-block: 0 0.45rem;
  font-size: 1.35rem;
}

.procedure-header > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.procedure-overview {
  display: grid;
  grid-template-columns: minmax(14rem, 0.75fr) minmax(0, 1.25fr);
  gap: 2.5rem;
  margin-block: 1.2rem;
}

.procedure-overview h4,
.procedure-content h4 {
  margin-block: 0 0.55rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.procedure-overview ul {
  margin-block: 0;
}

.procedure-content {
  border-top: 0.0625rem solid var(--line-light);
  padding-block: 1.4rem 0.5rem;
}

.procedure-instructions {
  max-width: 84ch;
}

.procedure-content ul,
.procedure-content ol {
  padding-left: 1.4rem;
}

.procedure-content li + li {
  margin-top: 0.55rem;
}

.procedure-follow-up {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 1.25rem;
}

.procedure-steps {
  counter-reset: procedure-step;
  list-style: none;
  padding-left: 0 !important;
}

.procedure-steps li {
  counter-increment: procedure-step;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  border-top: 0.0625rem solid var(--line-light);
  padding-block: 0.75rem;
}

.procedure-steps li::before {
  content: counter(procedure-step) ".";
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.procedure-steps p {
  margin: 0;
}

.procedure-step-detail {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.5rem;
  margin: 0.65rem 0 0;
}

.procedure-step-detail div {
  border-left: 0.125rem solid var(--line);
  padding-left: 0.75rem;
}

.procedure-step-detail dt {
  font-weight: 700;
}

.procedure-step-detail dd {
  margin: 0.15rem 0 0;
}

.specialist-note {
  border-left: 0.125rem solid var(--line);
  padding-left: 1rem;
}

.specialist-note p {
  margin-bottom: 0;
}

.wcag-test-group {
  scroll-margin-top: 1rem;
  border-top: 0.125rem solid var(--ink);
  padding-block: 2.5rem 3rem;
}

.group-header {
  max-width: 82ch;
}

.group-header h3 {
  margin-block: 0 0.65rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
}

.group-summary {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
}

.group-header h4,
.wcag-test-group > section > h4,
.group-overview h4,
.criterion-decisions > h4 {
  margin-block: 1.5rem 0.65rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.group-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  max-width: 70rem;
  margin-block: 1.5rem;
  border-block: 0.0625rem solid var(--line-light);
  padding-block: 0 1.25rem;
}

.group-section,
.criterion-decisions {
  max-width: 84ch;
}

.step-action {
  margin-bottom: 0.65rem;
}

.criterion-decisions {
  margin-top: 2.5rem;
}

.criterion h5 {
  margin-top: 0;
  font-size: 1.45rem;
}

.criterion-manual-check {
  margin-block: 1.25rem 1.75rem;
}

.criterion-manual-check h6,
.decision-title {
  margin-block: 0 0.55rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.criterion-methods {
  margin-block: 0 0.75rem;
  color: var(--muted);
}

.criterion-manual-steps {
  margin-block: 0;
}

.decision-title {
  margin-top: 1.5rem;
}

.examples-and-mistakes {
  margin-top: 2.5rem;
}

.back-to-index {
  margin-top: 2rem;
  font-size: 0.92rem;
}

.method {
  border-bottom: 0.0625rem solid var(--line);
  padding-block: 1.3rem 1.5rem;
}

.method ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 2.5rem;
  margin: 0;
  padding-left: 1.4rem;
}

.catalogue {
  scroll-margin-top: 1rem;
}

.catalogue-heading {
  display: grid;
  grid-template-columns: 1fr minmax(19rem, 0.7fr);
  align-items: end;
  gap: 2rem;
  margin-top: 2.2rem;
}

.catalogue-heading h2 {
  margin-top: 0;
}

.catalogue-heading p {
  max-width: 62ch;
  margin-bottom: 0;
}

.search-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.search-controls {
  display: flex;
  gap: 0.5rem;
}

input[type="search"] {
  min-width: 0;
  width: 100%;
  border: 0.0625rem solid var(--muted);
  border-radius: 0.1rem;
  padding: 0.62rem 0.7rem;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
}

.secondary-action,
button {
  display: inline-block;
  border: 0.0625rem solid var(--accent);
  border-radius: 0.1rem;
  padding: 0.62rem 0.85rem;
  color: var(--accent-strong);
  background: var(--paper);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.secondary-action:hover,
button:hover {
  color: var(--paper);
  background: var(--accent);
}

.results-status {
  margin-block: 1.5rem 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.test-list {
  border-bottom: 0.0625rem solid var(--line);
}

.test-entry {
  display: grid;
  grid-template-columns: minmax(16rem, 0.82fr) minmax(0, 1.18fr);
  gap: 2.5rem;
  border-top: 0.0625rem solid var(--line);
  padding-block: 1.55rem;
}

.test-entry h3 {
  margin-block: 0 0.55rem;
}

.test-entry-summary > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.test-entry-criteria h4,
.covered-criteria-title {
  margin-block: 0 0.55rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.criterion-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.criterion-links li + li {
  border-top: 0.0625rem solid var(--line-light);
}

.criterion-link {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: baseline;
  padding-block: 0.32rem;
  text-decoration: none;
}

.criterion-link:hover {
  background: var(--surface);
}

.criterion-number {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.criterion-title {
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.16em;
}

.criterion-level {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.no-results {
  border-block: 0.0625rem solid var(--line);
  padding-block: 1rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumb li + li::before {
  margin-right: 0.35rem;
  content: "/";
}

.test-case {
  max-width: 68rem;
}

.test-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 3rem;
  border-bottom: 0.0625rem solid var(--line);
  padding-bottom: 2.5rem;
}

.test-hero h1 {
  max-width: 22ch;
}

.test-hero .criterion-links {
  max-width: 48rem;
}

.covered-criteria-title {
  margin-top: 1.5rem;
}

.test-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  border-left: 0.0625rem solid var(--line);
  padding-left: 1.5rem;
}

.callout {
  max-width: var(--text-width);
  margin-block: 2.5rem;
  border-block: 0.0625rem solid var(--line);
  padding-block: 1rem;
}

.callout h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

.test-case > section:not(.two-column) {
  max-width: var(--text-width);
}

.steps {
  padding-left: 1.8rem;
}

.steps > li {
  margin-block: 1.6rem;
  padding-left: 0.45rem;
}

.steps h3 {
  margin-bottom: 0.65rem;
}

.step-detail,
.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.5rem;
  margin: 0;
}

.step-detail div,
.decision {
  border-left: 0.125rem solid var(--line);
  padding-left: 0.8rem;
}

.step-detail dt,
.decision dt {
  font-weight: 700;
}

.step-detail dd,
.decision dd {
  margin: 0.2rem 0 0;
}

.criterion {
  margin-block: 2.5rem;
  border-top: 0.125rem solid var(--ink);
  padding-top: 1.15rem;
}

.criterion header {
  border-bottom: 0.0625rem solid var(--line);
  margin-bottom: 1rem;
}

.criterion h3 {
  margin-top: 0;
  font-size: 1.45rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  margin-block: 3rem;
  border-block: 0.0625rem solid var(--line);
  padding-block: 0 1.5rem;
}

.two-column h2 {
  font-size: 1.35rem;
}

.case-pagination {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 0.0625rem solid var(--line);
  padding-top: 1.5rem;
}

.case-pagination span:last-child {
  margin-left: auto;
  text-align: right;
}

.document {
  max-width: var(--text-width);
  margin-inline: auto;
}

.document h1 {
  max-width: 24ch;
}

.document h2 {
  margin-top: 3rem;
}

.document blockquote {
  margin-inline: 0;
  border-left: 0.18rem solid var(--line);
  padding-left: 1rem;
  color: var(--muted);
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th,
td {
  border: 0.0625rem solid var(--line);
  padding: 0.6rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface);
  font-weight: 700;
}

/* Test selection and focused reading */

.library-introduction {
  max-width: none;
  border: 0;
  border-radius: 1.2rem;
  padding: clamp(1.6rem, 4vw, 3.2rem);
  color: var(--paper);
  background: var(--navy);
  box-shadow: var(--shadow-large);
}

.library-introduction .eyebrow,
.library-introduction .scope-note {
  color: #dce8f2;
}

.library-introduction h1 {
  max-width: 19ch;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
}

.library-introduction .lede {
  max-width: 58ch;
  font-family: inherit;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.coverage-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 45rem;
  margin-block: 2rem 1.2rem;
  padding: 0;
  list-style: none;
}

.coverage-stats li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.24);
  border-radius: 0.7rem;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.08);
}

.coverage-stats strong {
  font-size: 1.45rem;
  font-variant-numeric: tabular-nums;
}

.coverage-stats span {
  color: #eaf1f7;
  font-size: 0.88rem;
  line-height: 1.25;
}

.test-picker-shell {
  scroll-margin-top: 6.5rem;
  margin-block: 2rem 3rem;
  border: 0.0625rem solid var(--line);
  border-radius: 1.2rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--paper);
  box-shadow: var(--shadow-large);
}

.picker-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
  gap: 2rem;
  align-items: end;
  border-bottom: 0.0625rem solid var(--line-light);
  padding-bottom: 1.5rem;
}

.picker-heading h2 {
  margin-block: 0.15rem 0.5rem;
}

.picker-heading p {
  margin-bottom: 0;
}

.picker-tip {
  border-left: 0.2rem solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
}

.picker-toolbar {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(15rem, auto);
  gap: 1.25rem 2rem;
  margin-block: 1.5rem;
}

.search-field label,
.filter-fieldset legend {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 750;
}

.search-field input {
  min-height: 2.9rem;
  border: 0.1rem solid var(--line);
  border-radius: 0.6rem;
  padding: 0.65rem 0.8rem;
  background: var(--paper);
}

.search-field input:hover {
  border-color: var(--muted);
}

.search-field span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.filter-fieldset {
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}

.theme-filter-fieldset {
  grid-column: 1 / -1;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-chip,
.theme-chip {
  --theme-bg: var(--surface);
  --theme-ink: var(--navy);
  --theme-line: var(--line);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: auto;
  border: 0.0625rem solid var(--theme-line);
  border-radius: 999rem;
  padding: 0.34rem 0.7rem;
  color: var(--theme-ink);
  background: var(--theme-bg);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
}

button.filter-chip {
  min-height: 2.2rem;
  cursor: pointer;
}

button.filter-chip:hover {
  border-color: var(--theme-ink);
  color: var(--theme-ink);
  background: var(--theme-bg);
}

button.filter-chip[aria-pressed="true"] {
  border-color: var(--theme-ink);
  color: var(--paper);
  background: var(--theme-ink);
  box-shadow: 0 0 0 0.125rem var(--paper), 0 0 0 0.25rem var(--theme-ink);
}

.theme-structure {
  --theme-bg: #e5f5f1;
  --theme-ink: #0d5c51;
  --theme-line: #84bdb2;
}

.theme-interaction {
  --theme-bg: #e8f2fb;
  --theme-ink: #164c7e;
  --theme-line: #8db3d5;
}

.theme-forms {
  --theme-bg: #fff2df;
  --theme-ink: #7a3d00;
  --theme-line: #d8ac71;
}

.theme-visual {
  --theme-bg: #e8f0fe;
  --theme-ink: #174ea6;
  --theme-line: #8ab4f8;
}

.theme-media {
  --theme-bg: #faeaf1;
  --theme-ink: #7b1e45;
  --theme-line: #d6a0b7;
}

.picker-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.36fr);
  gap: 1.5rem;
  align-items: start;
}

.picker-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.results-status {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.test-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.test-picker-card {
  --theme-bg: var(--surface);
  --theme-ink: var(--navy);
  --theme-line: var(--line);
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 0.0625rem solid var(--line);
  border-top: 0.25rem solid var(--theme-ink);
  border-radius: 0.75rem;
  padding: 1rem;
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.test-picker-card:hover {
  border-color: var(--theme-line);
}

.test-picker-card.is-selected {
  border-color: var(--theme-ink);
  background: color-mix(in srgb, var(--theme-bg) 55%, var(--paper));
}

.picker-card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.test-id,
.summary-identity {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.test-picker-card h3 {
  margin-block: 0.75rem 0.4rem;
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.35;
}

.test-picker-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.test-picker-card h3 a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

.test-picker-card > p {
  margin-block: 0 0.65rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.picker-card-meta {
  margin-top: auto !important;
  padding-top: 0.25rem;
  font-size: 0.76rem !important;
  font-weight: 650;
}

.picker-select {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.25rem;
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 0.75rem;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.picker-select input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  accent-color: var(--accent);
}

.selection-panel {
  position: sticky;
  top: 6.4rem;
  border: 0.0625rem solid var(--line);
  border-radius: 0.8rem;
  padding: 1rem;
  background: var(--navy-soft);
}

.selection-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.selection-heading h3 {
  margin: 0;
  font-family: inherit;
  font-size: 1.1rem;
}

.selection-count {
  display: inline-grid;
  min-width: 2rem;
  min-height: 2rem;
  place-items: center;
  border-radius: 999rem;
  color: var(--paper);
  background: var(--navy);
  font-weight: 800;
}

.selection-panel > p {
  color: var(--muted);
  font-size: 0.86rem;
}

.selection-list {
  max-height: 24rem;
  margin-block: 0.8rem 1rem;
  padding-left: 1.4rem;
  overflow-y: auto;
  font-size: 0.86rem;
}

.selection-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.5rem;
}

.selection-list li + li {
  margin-top: 0.55rem;
}

.selection-list a {
  overflow-wrap: anywhere;
}

.plan-remove-button {
  min-height: 2rem;
  padding: 0.2rem 0.4rem;
  font-size: 0.76rem;
  line-height: 1.2;
}

.selection-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

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

.selection-feedback {
  min-height: 1.4em;
  margin-bottom: 0;
}

.text-action {
  border: 0;
  padding: 0.3rem 0;
  color: var(--accent-strong);
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.text-action:hover {
  color: var(--accent-strong);
  background: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.clipboard-fallback {
  position: fixed;
  inset: -100vh auto auto -100vw;
}

.no-results {
  margin-block: 1rem 0;
  border: 0.0625rem dashed var(--line);
  border-radius: 0.6rem;
  padding: 1rem;
  color: var(--muted);
  background: var(--surface);
}

.before-testing {
  border: 0.0625rem solid var(--line);
  border-radius: 1rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--paper);
}

.component-procedures,
.wcag-test-groups {
  scroll-margin-top: 6.5rem;
  border: 0;
  padding-block: 3rem 1rem;
}

.section-introduction {
  max-width: none;
}

.section-actions {
  margin-top: 1rem;
}

.test-disclosure {
  --theme-bg: var(--surface);
  --theme-ink: var(--navy);
  --theme-line: var(--line);
  scroll-margin-top: 6.5rem;
  margin-block: 0.85rem;
  border: 0.0625rem solid var(--line);
  border-left: 0.3rem solid var(--theme-ink);
  border-radius: 0.85rem;
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.test-disclosure[open] {
  border-color: var(--theme-line);
  box-shadow: var(--shadow-large);
}

.test-disclosure > summary {
  display: grid;
  grid-template-columns: auto minmax(12rem, 1fr) auto auto auto;
  gap: 0.65rem 1rem;
  align-items: center;
  border-radius: 0.65rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

.test-disclosure > summary::-webkit-details-marker {
  display: none;
}

.test-disclosure > summary::after {
  display: inline-grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border-radius: 50%;
  color: var(--theme-ink);
  background: var(--theme-bg);
  content: "+";
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}

.test-disclosure[open] > summary::after {
  content: "−";
}

.test-disclosure > summary:hover {
  background: color-mix(in srgb, var(--theme-bg) 48%, var(--paper));
}

.test-disclosure > summary:focus-visible {
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.2rem;
}

.summary-title {
  margin: 0;
  color: var(--ink);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 760;
  line-height: 1.35;
}

.summary-meta {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.test-disclosure > article {
  border-top: 0.0625rem solid var(--line-light);
  padding-inline: clamp(1rem, 3vw, 2rem);
}

.test-disclosure .component-procedure,
.test-disclosure .wcag-test-group {
  border-top: 0;
}

.test-disclosure .procedure-header,
.test-disclosure .group-header {
  padding-top: 0.5rem;
}

.criterion {
  border-top-color: var(--navy);
  border-radius: 0.25rem;
  background: var(--paper);
}

.procedure-step-detail div,
.step-detail div {
  border-left-color: var(--theme-line, var(--line));
  border-radius: 0.2rem;
  padding: 0.55rem 0.75rem;
  background: var(--surface);
}

.step-deck {
  max-width: 70rem;
  margin-top: 0.8rem;
}

.step-deck-help {
  margin-block: 0 0.65rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.step-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
  border-bottom: 0.0625rem solid var(--line);
  padding-bottom: 0.8rem;
}

.step-tab {
  display: inline-flex;
  align-items: baseline;
  gap: 0.28rem;
  min-height: 2.55rem;
  border: 0.1rem solid var(--line);
  border-radius: 0.55rem;
  padding: 0.52rem 0.78rem;
  color: var(--navy);
  background: var(--paper);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  text-decoration: none;
}

.step-tab:hover {
  border-color: var(--theme-ink, var(--accent));
  color: var(--theme-ink, var(--accent));
  background: var(--theme-bg, var(--accent-soft));
}

.step-tab[aria-selected="true"] {
  border-color: var(--theme-ink, var(--navy));
  color: var(--paper);
  background: var(--theme-ink, var(--navy));
  box-shadow: 0 0 0 0.125rem var(--paper), 0 0 0 0.25rem var(--theme-ink, var(--navy));
}

.step-tab[aria-selected="true"]:focus-visible {
  outline-color: var(--ink);
}

.step-panels {
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-panel {
  scroll-margin-top: 7rem;
  margin: 0;
  border: 0.0625rem solid var(--theme-line, var(--line));
  border-radius: 0.8rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.step-panel + .step-panel {
  margin-top: 0.8rem;
}

.step-panel:focus {
  outline: 0;
}

.step-card-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem 1rem;
  align-items: start;
  border-bottom: 0.0625rem solid var(--line-light);
  padding-bottom: 1rem;
}

.step-position {
  margin: 0;
  border-radius: 999rem;
  padding: 0.3rem 0.6rem;
  color: var(--theme-ink, var(--navy));
  background: var(--theme-bg, var(--navy-soft));
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

.step-card-heading .step-action {
  display: grid;
  gap: 0.3rem;
  margin: 0;
}

.step-card-heading .step-action strong {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.step-card-heading .step-action span {
  color: var(--ink);
  font-size: clamp(1rem, 2vw, 1.14rem);
  font-weight: 680;
  line-height: 1.48;
}

.step-card-detail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 0;
}

.step-card-detail div {
  min-width: 0;
  border: 0.0625rem solid var(--line-light);
  border-radius: 0.55rem;
  padding: 0.9rem;
}

.step-card-detail .expected-result {
  border-top: 0.22rem solid #187153;
  background: #f1f9f6;
}

.step-card-detail .record-result {
  border-top: 0.22rem solid var(--accent);
  background: var(--accent-soft);
}

.step-card-detail dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.step-card-detail dd {
  margin: 0.35rem 0 0;
  line-height: 1.5;
}

.step-panel-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 0.8rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.step-panel-actions a:last-child,
.step-complete {
  margin-left: auto;
}

.step-complete {
  color: var(--success);
}

.decision {
  border-radius: 0.25rem;
  padding: 0.6rem 0.8rem;
  background: var(--surface);
}

.decision.pass {
  border-left-color: #187153;
  background: #edf8f4;
}

.decision.fail {
  border-left-color: #a33a3a;
  background: #fceeee;
}

.decision.na {
  border-left-color: #5f6878;
}

.decision.review {
  border-left-color: #8a5400;
  background: #fff5e5;
}

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

[hidden] {
  display: none !important;
}

/* Framed checklist workspace, adapted from the referenced checklist layout. */

body {
  background: #e8f0fe;
}

.site-shell {
  padding: clamp(0.75rem, 2.5vw, 2rem);
}

.app-frame {
  display: grid;
  grid-template-columns: 20rem minmax(0, 1fr);
  width: min(100%, 92rem);
  margin-inline: auto;
  border: 0.0625rem solid #aecbfa;
  border-radius: 1.35rem;
  background: var(--accent-strong);
  box-shadow: 0 1.5rem 4rem rgba(23, 78, 166, 0.18);
}

.library-sidebar {
  min-width: 0;
  color: var(--paper);
  background: var(--accent-strong);
  border-radius: 1.3rem 0 0 1.3rem;
}

.sidebar-inner {
  position: sticky;
  top: 0;
  display: grid;
  gap: 0.9rem;
  max-height: 100vh;
  padding: 1rem;
  overflow-y: auto;
}

.brand-panel {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 0.75rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.24);
  border-radius: 0.9rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.09);
}

.brand-panel:has(.brand:hover) {
  background: rgba(255, 255, 255, 0.14);
}

.library-sidebar .brand {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--paper);
}

.library-sidebar .brand:hover {
  color: var(--paper);
}

.library-sidebar .brand-name {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.library-sidebar .brand-subtitle {
  border: 0;
  padding: 0;
  color: #d2e3fc;
  font-family: inherit;
  font-size: 0.9rem;
}

.brand-links {
  display: flex;
  gap: 0.45rem;
}

.brand-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  min-height: 2rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: var(--paper);
  background: rgba(0, 0, 0, 0.13);
}

.brand-links a:hover {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.18);
}

.library-sidebar .brand:focus-visible,
.brand-links a:focus-visible {
  outline-color: var(--paper);
}

.brand-links svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.sidebar-group,
.library-sidebar .selection-panel {
  border: 0.0625rem solid rgba(255, 255, 255, 0.2);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.sidebar-group > h2 {
  margin: 0;
  border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.18);
  padding: 0.65rem 0.8rem;
  color: #e8f0fe;
  background: rgba(0, 0, 0, 0.12);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.library-sidebar .site-nav {
  display: grid;
  gap: 0.25rem;
  padding: 0.45rem;
  font-size: 0.9rem;
}

.library-sidebar .site-nav a {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  border: 0.0625rem solid transparent;
  border-radius: 0.65rem;
  padding: 0.58rem 0.65rem;
  color: var(--paper);
  text-decoration: none;
}

.library-sidebar .site-nav a:hover {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--paper);
  background: rgba(255, 255, 255, 0.1);
}

.library-sidebar .site-nav a[aria-current="location"] {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--accent-strong);
  background: var(--paper);
  font-weight: 750;
}

.library-sidebar .site-nav a[aria-current="location"] span {
  color: var(--accent);
}

.library-sidebar .site-nav a span {
  color: #d2e3fc;
  font-variant-numeric: tabular-nums;
}

.library-sidebar .selection-panel {
  position: static;
  top: auto;
  padding: 0.85rem;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.09);
}

.library-sidebar .selection-title {
  color: var(--paper);
  font-size: 1rem;
  font-weight: 750;
}

.library-sidebar .selection-heading {
  cursor: pointer;
  list-style: none;
}

.library-sidebar .selection-heading::-webkit-details-marker {
  display: none;
}

.library-sidebar .selection-heading:focus-visible {
  outline-color: var(--paper);
}

.library-sidebar .selection-count {
  color: var(--accent-strong);
  background: var(--paper);
}

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

#plan-progress {
  display: block;
  width: 100%;
  height: 0.7rem;
  margin-top: 0.75rem;
  border: 0;
  border-radius: 999rem;
  color: #8ab4f8;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

#plan-progress::-webkit-progress-bar {
  border-radius: 999rem;
  background: rgba(255, 255, 255, 0.16);
}

#plan-progress::-webkit-progress-value {
  border-radius: 999rem;
  background: #8ab4f8;
}

#plan-progress::-moz-progress-bar {
  border-radius: 999rem;
  background: #8ab4f8;
}

.library-sidebar .selection-panel .progress-text {
  margin: 0.3rem 0 0;
  color: var(--paper);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.library-sidebar .selection-panel > p:not(.selection-feedback, .progress-text) {
  color: #d2e3fc;
}

.library-sidebar .selection-list {
  max-height: 13rem;
  color: #d2e3fc;
}

.library-sidebar .selection-list a {
  color: var(--paper);
}

.library-sidebar .plan-remove-button {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--paper);
  background: transparent;
}

.library-sidebar .plan-remove-button:hover {
  border-color: var(--paper);
  color: var(--accent-strong);
  background: #e8f0fe;
}

.library-sidebar .selection-actions button {
  min-height: 2.45rem;
  border-color: var(--paper);
  color: var(--accent-strong);
  background: var(--paper);
}

.library-sidebar .selection-actions .secondary-action {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--paper);
  background: transparent;
}

.library-sidebar .selection-actions button:hover {
  border-color: var(--paper);
  color: var(--accent-strong);
  background: #e8f0fe;
}

.library-sidebar .selection-feedback {
  color: var(--paper);
}

.library-workspace {
  min-width: 0;
  border-radius: 0 1.3rem 1.3rem 0;
  background: #f8faff;
}

.library-workspace main {
  width: auto;
  margin: 0;
}

.library-workspace main {
  padding: clamp(1rem, 2.5vw, 2rem);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) minmax(18rem, auto);
  gap: 1rem 2rem;
  align-items: start;
  margin: 0 clamp(1rem, 2.5vw, 2rem) clamp(1rem, 2.5vw, 2rem);
  border-top: 0.2rem solid var(--accent);
  border-radius: 0.85rem;
  padding: 1.25rem;
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.site-footer p {
  margin: 0;
}

.site-footer .footer-brand {
  color: var(--accent-strong);
  font-size: 1.1rem;
  font-weight: 800;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.site-footer a {
  font-weight: 700;
}

.site-footer .project-status {
  grid-column: 1 / -1;
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.library-introduction {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
  gap: 1rem 2rem;
  align-items: end;
  border: 0.0625rem solid #aecbfa;
  border-top: 0.3rem solid var(--accent);
  border-radius: 0.95rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.library-introduction .eyebrow,
.library-introduction .scope-note {
  color: var(--muted);
}

.library-introduction h1 {
  max-width: 21ch;
  margin-bottom: 0.6rem;
  color: var(--accent-strong);
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.library-introduction .lede {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.library-introduction .coverage-stats {
  grid-template-columns: 1fr;
  gap: 0.45rem;
  margin: 0;
}

.library-introduction .coverage-stats li {
  justify-content: space-between;
  border-color: #aecbfa;
  padding: 0.55rem 0.7rem;
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.library-introduction .coverage-stats strong {
  font-size: 1.15rem;
}

.library-introduction .coverage-stats span {
  color: var(--ink);
  font-size: 0.82rem;
}

.library-introduction .scope-note {
  grid-column: 1 / -1;
  margin: 0;
  border-top: 0.0625rem solid var(--line-light);
  padding-top: 0.9rem;
  font-size: 0.9rem;
}

.test-picker-shell {
  margin-block: 1rem 1.5rem;
  border-radius: 0.95rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  box-shadow: var(--shadow-small);
}

.picker-heading {
  grid-template-columns: minmax(0, 1.2fr) minmax(15rem, 0.8fr);
  gap: 1rem 2rem;
  align-items: start;
  padding-bottom: 1rem;
}

.picker-heading h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
}

.picker-tip {
  margin-top: 0.2rem;
  border-left-width: 0.25rem;
  border-radius: 0 0.4rem 0.4rem 0;
  padding: 0.65rem 0.8rem;
  background: var(--accent-soft);
}

.picker-toolbar {
  grid-template-columns: minmax(15rem, 1fr) minmax(14rem, auto);
  gap: 1rem 1.5rem;
  margin-block: 1.15rem;
}

.test-picker-grid {
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.test-picker-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(12rem, 0.7fr) auto;
  gap: 0.8rem 1rem;
  align-items: center;
  border-top-width: 0.0625rem;
  border-left: 0.28rem solid var(--theme-ink);
  border-radius: 0.7rem;
  padding: 0.8rem;
  box-shadow: none;
}

.test-picker-card:hover {
  box-shadow: var(--shadow-small);
}

.picker-card-identity {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.picker-card-identity .test-id {
  display: grid;
  min-height: 2.7rem;
  place-items: center;
  border: 0.0625rem solid var(--theme-line);
  border-radius: 0.55rem;
  padding: 0.25rem;
  color: var(--theme-ink);
  background: var(--theme-bg);
  text-align: center;
}

.test-picker-card h3 {
  margin: 0 0 0.18rem;
  font-size: 1rem;
}

.test-picker-card .picker-card-identity p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.picker-card-details {
  display: grid;
  justify-items: start;
  gap: 0.4rem;
}

.picker-card-meta {
  margin: 0 !important;
  color: var(--muted);
  font-size: 0.74rem !important;
  font-weight: 650;
  line-height: 1.35;
}

.picker-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.picker-select {
  min-height: 2.55rem;
  margin: 0;
  border: 0.0625rem solid var(--line);
  border-radius: 0.55rem;
  padding: 0.5rem 0.65rem;
  background: var(--paper);
  white-space: nowrap;
}

.picker-select:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.open-test {
  display: inline-flex;
  align-items: center;
  min-height: 2.55rem;
  border: 0.0625rem solid var(--accent);
  border-radius: 0.55rem;
  padding: 0.5rem 0.7rem;
  color: var(--paper);
  background: var(--accent);
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.open-test:hover {
  color: var(--paper);
  background: var(--accent-strong);
}

.before-testing {
  margin-block: 1.5rem;
  border-radius: 0.95rem;
  box-shadow: var(--shadow-small);
}

.component-procedures,
.wcag-test-groups {
  padding-block: 2rem 0.5rem;
}

.section-introduction {
  margin-bottom: 1.2rem;
  border-bottom: 0.0625rem solid var(--line);
  padding-bottom: 1rem;
}

.section-introduction h2 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.45rem, 2.5vw, 1.9rem);
}

.test-disclosure {
  margin-block: 0.6rem;
  border-left-width: 0.28rem;
  box-shadow: none;
}

.test-disclosure[open] {
  box-shadow: 0 0.7rem 1.8rem rgba(26, 115, 232, 0.12);
}

.test-disclosure > summary {
  padding: 0.8rem 0.9rem;
}

.visible-selection-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.9rem;
}

.coverage-summary {
  margin-bottom: 0.45rem;
  color: var(--paper);
  font-weight: 750;
}

.coverage-gaps {
  margin-bottom: 0.9rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.3);
  border-radius: 0.55rem;
  padding: 0.45rem 0.6rem;
  color: #d2e3fc;
  font-size: 0.8rem;
}

.coverage-gaps summary {
  cursor: pointer;
  color: var(--paper);
  font-weight: 700;
}

.coverage-gaps ul {
  display: flex;
  flex-wrap: wrap;
  max-height: 8rem;
  margin-block: 0.6rem;
  padding: 0;
  gap: 0.35rem;
  overflow-y: auto;
  list-style: none;
}

.coverage-gaps li {
  border-radius: 999rem;
  padding: 0.1rem 0.45rem;
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.start-testing,
.import-test-plan {
  display: inline-flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  min-height: 2.45rem;
  border: 0.0625rem solid var(--paper);
  border-radius: 0.55rem;
  padding: 0.45rem 0.7rem;
  color: var(--accent-strong);
  background: var(--paper);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 750;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.start-testing:hover,
.import-test-plan:hover,
.import-test-plan:has(+ input:focus-visible) {
  outline: 0.2rem solid var(--paper);
  outline-offset: 0.15rem;
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.start-testing.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.run-metadata,
.test-runner,
.evaluation-report {
  margin-block: 1.5rem;
  border: 0.0625rem solid var(--line);
  border-radius: 0.95rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--paper);
  box-shadow: var(--shadow-small);
}

.run-metadata h3,
.run-metadata > p {
  margin-top: 0;
}

.metadata-grid,
.runner-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.run-metadata label,
.runner-card > label,
.runner-fields label,
.criterion-outcomes label,
.runner-navigation label {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  color: var(--ink);
  font-weight: 700;
}

.run-metadata input,
.run-metadata select,
.run-metadata textarea,
.runner-card input,
.runner-card select,
.runner-card textarea,
.runner-navigation select {
  min-width: 0;
  width: 100%;
  border: 0.0625rem solid var(--line);
  border-radius: 0.5rem;
  padding: 0.55rem 0.65rem;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
}

.run-metadata textarea {
  resize: vertical;
}

.metadata-wide {
  grid-column: 1 / -1;
}

.evaluation-details {
  margin-top: 1rem;
  border-top: 0.0625rem solid var(--line);
  padding-top: 1rem;
}

.evaluation-details summary {
  width: fit-content;
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 800;
}

.evaluation-details[open] summary {
  margin-bottom: 1rem;
}

.evaluation-report {
  scroll-margin-top: 6.5rem;
}

.report-readiness-card {
  border-left: 0.3rem solid var(--accent);
  border-radius: 0.65rem;
  padding: 1rem 1.15rem;
  background: var(--accent-soft);
}

.report-readiness-card h3,
.report-readiness-card > p:first-of-type {
  margin-top: 0;
}

.report-readiness-card ul {
  columns: 2 18rem;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.report-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.test-runner {
  scroll-margin-top: 6.5rem;
}

.runner-empty {
  border: 0.0625rem dashed var(--line);
  border-radius: 0.75rem;
  padding: 1rem;
  background: var(--surface);
}

.runner-empty p {
  margin-top: 0;
}

.runner-navigation {
  display: grid;
  grid-template-columns: auto minmax(8rem, 1fr) minmax(14rem, 2fr) auto;
  align-items: end;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.runner-card {
  border-top: 0.25rem solid var(--accent);
  border-radius: 0.75rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--surface);
}

.runner-position,
.runner-feedback {
  color: var(--muted);
  font-weight: 700;
}

.runner-card h3 {
  margin-block: 0.2rem 0.4rem;
  color: var(--accent-strong);
}

.criterion-outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.8rem;
  margin-block: 1rem;
  border: 0;
  padding: 0;
}

.criterion-outcomes legend {
  grid-column: 1 / -1;
  margin-bottom: 0.25rem;
  font-weight: 800;
}

.runner-feedback {
  min-height: 1.5em;
  margin-bottom: 0;
}

@media (max-width: 72rem) {
  .test-picker-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .picker-card-details {
    grid-column: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .picker-card-actions {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 62rem) {
  .app-frame {
    grid-template-columns: 1fr;
  }

  .library-sidebar {
    border-radius: 1.3rem 1.3rem 0 0;
  }

  .sidebar-inner {
    position: static;
    grid-template-columns: minmax(14rem, 0.75fr) minmax(16rem, 1fr);
    max-height: none;
  }

  .library-sidebar .brand {
    grid-column: 1;
  }

  .brand-panel {
    grid-column: 1;
  }

  .sidebar-group {
    grid-column: 1;
  }

  .library-sidebar .selection-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .library-workspace {
    border-radius: 0 0 1.3rem 1.3rem;
  }
}

@media (max-width: 55rem) {
  .site-header {
    position: static;
  }

  .header-inner,
  .test-hero,
  .catalogue-heading,
  .test-entry,
  .picker-heading,
  .library-introduction {
    grid-template-columns: 1fr;
  }

  .header-inner {
    display: grid;
    gap: 0.75rem;
    padding-block: 1rem;
  }

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

  .procedure-overview {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .procedure-follow-up {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .procedure-step-detail {
    grid-template-columns: 1fr;
  }

  .group-overview {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .test-actions {
    border-top: 0.0625rem solid var(--line);
    border-left: 0;
    padding-top: 1rem;
    padding-left: 0;
  }

  .library-introduction .scope-note {
    grid-column: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer .project-status {
    grid-column: auto;
  }

  .metadata-grid,
  .runner-fields,
  .runner-navigation {
    grid-template-columns: 1fr;
  }

  .runner-navigation button {
    width: 100%;
  }
}

@media (max-width: 36rem) {
  .brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.15rem;
  }

  .site-shell {
    padding: 0;
  }

  .app-frame,
  .library-sidebar,
  .library-workspace {
    border-radius: 0;
  }

  .app-frame {
    border-inline: 0;
  }

  .sidebar-inner {
    grid-template-columns: 1fr;
  }

  .brand-panel,
  .sidebar-group,
  .library-sidebar .selection-panel {
    grid-column: auto;
    grid-row: auto;
  }

  .brand-subtitle {
    border-left: 0;
    padding-left: 0;
  }

  .site-header .site-nav,
  .search-controls,
  .case-pagination {
    flex-direction: column;
  }

  .reference-links ul,
  .procedure-index ol,
  .method ol,
  .result-guidance dl,
  .step-detail,
  .step-card-detail,
  .decision-grid,
  .two-column,
  .coverage-stats,
  .picker-toolbar {
    grid-template-columns: 1fr;
  }

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

  .picker-card-details,
  .picker-card-actions {
    grid-column: auto;
    grid-row: auto;
  }

  .picker-card-actions {
    justify-content: stretch;
    border-top: 0.0625rem solid var(--line-light);
    padding-top: 0.7rem;
  }

  .picker-card-actions > * {
    flex: 1 1 0;
    justify-content: center;
  }

  .theme-filter-fieldset {
    grid-column: auto;
  }

  .coverage-stats li {
    justify-content: space-between;
  }

  .test-disclosure > summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .test-disclosure > summary .theme-chip,
  .test-disclosure > summary .summary-meta {
    grid-column: 2;
  }

  .test-disclosure > summary::after {
    grid-column: 3;
    grid-row: 1 / span 3;
  }

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

  .step-position {
    justify-self: start;
  }

  .criterion-link {
    grid-template-columns: 6.25rem minmax(0, 1fr);
  }

  .criterion-level {
    grid-column: 2;
  }

  .case-pagination span:last-child {
    margin-left: 0;
    text-align: left;
  }
}

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

@media print {
  .site-header,
  .test-actions,
  .case-pagination,
  .skip-link {
    display: none;
  }

  .test-picker-shell,
  .section-actions,
  .test-disclosure > summary,
  .step-tabs,
  .step-deck-help,
  .step-panel-actions {
    display: none;
  }

  body {
    font-size: 10pt;
  }

  main {
    width: 100%;
    padding: 0;
  }

  .criterion,
  .steps > li,
  .test-entry {
    break-inside: avoid;
  }

  .test-disclosure,
  .test-disclosure:not([open]) > :not(summary),
  .step-panel[hidden] {
    display: block !important;
    border: 0;
    box-shadow: none;
  }

}