:root {
  color-scheme: light;
  --navy-950: #10243e;
  --navy-800: #173f67;
  --blue-700: #1769a6;
  --blue-600: #247db7;
  --blue-100: #dceefa;
  --blue-50: #f1f8fc;
  --slate-900: #172033;
  --slate-700: #465269;
  --slate-600: #5d687c;
  --slate-500: #737d8e;
  --slate-300: #cdd4de;
  --slate-200: #e1e6ed;
  --slate-100: #edf1f5;
  --slate-50: #f7f9fb;
  --white: #ffffff;
  --critical: #b4233c;
  --critical-bg: #fff1f3;
  --critical-border: #f3bbc4;
  --warning: #8b5d00;
  --warning-bg: #fff8e7;
  --warning-border: #edd28a;
  --success: #18794e;
  --success-bg: #eefaf4;
  --success-border: #a6dfc3;
  --shadow-sm: 0 1px 2px rgba(16, 36, 62, 0.05);
  --shadow-md: 0 12px 34px rgba(16, 36, 62, 0.09);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --focus: 0 0 0 3px rgba(36, 125, 183, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(36, 125, 183, 0.09), transparent 34rem),
    var(--slate-50);
  color: var(--slate-900);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button.priority-card {
  width: 100%;
  font: inherit;
  text-align: left;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
}

a {
  color: var(--blue-700);
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  border-radius: var(--radius-sm);
  background: var(--navy-950);
  color: var(--white);
  padding: 0.75rem 1rem;
}

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

.shell {
  width: min(100% - 2rem, 1360px);
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid rgba(205, 212, 222, 0.75);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 1.6rem;
}

.brand-mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 11px;
  background: var(--navy-950);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.25rem;
  color: var(--navy-950);
  font-size: clamp(1.45rem, 3.5vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h2 {
  margin-bottom: 0;
  color: var(--navy-950);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  line-height: 1.2;
}

h3 {
  margin-bottom: 1rem;
  color: var(--navy-950);
  font-size: 1rem;
}

.eyebrow {
  margin-bottom: 0.25rem;
  color: var(--blue-700);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.105em;
  text-transform: uppercase;
}

.site-header__description {
  max-width: 52rem;
  margin-bottom: 0;
  color: var(--slate-600);
  font-size: 0.9rem;
}

.main-content {
  padding-block: 2rem 4rem;
}

.run-panel,
.results {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.run-panel {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.section-heading,
.results-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.section-heading {
  margin-bottom: 1.25rem;
}

.section-heading__support {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--slate-600);
  font-size: 0.875rem;
  text-align: right;
}

label,
.recent__label,
.locale-tabs__label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--slate-700);
  font-size: 0.82rem;
  font-weight: 750;
}

.run-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.75rem;
}

.input-wrap {
  width: 100%;
  min-width: 0;
}

.input-wrap input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--slate-300);
  border-radius: 10px;
  outline: none;
  background: var(--white);
  color: var(--slate-900);
  padding: 0.8rem 1rem;
  font-size: 1rem;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.input-wrap input::placeholder {
  color: var(--slate-500);
}

.input-wrap input:focus {
  border-color: var(--blue-600);
  box-shadow: var(--focus);
}

input[aria-invalid="true"] {
  border-color: var(--critical);
}

.field-help,
.field-error {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
}

.field-help {
  color: var(--slate-500);
}

.field-error,
.status-error {
  color: var(--critical);
  font-weight: 650;
}

.button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 750;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:focus-visible,
.recent-button:focus-visible,
.locale-tab:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.button--primary {
  min-width: 8rem;
  background: var(--blue-700);
  color: var(--white);
}

.button--primary:hover:not(:disabled) {
  background: var(--navy-800);
}

.button--secondary {
  border-color: var(--slate-300);
  background: var(--white);
  color: var(--navy-800);
}

.button--secondary:hover:not(:disabled) {
  border-color: var(--blue-600);
  background: var(--blue-50);
}

.button:disabled {
  opacity: 0.58;
}

.button__spinner {
  display: none;
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.45rem;
  vertical-align: -0.15rem;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.is-running .button__spinner {
  display: inline-block;
}

.recent {
  margin-top: 1rem;
}

.recent__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recent-button {
  max-width: min(100%, 30rem);
  min-height: 36px;
  overflow: hidden;
  border: 1px solid var(--slate-200);
  border-radius: 999px;
  background: var(--slate-50);
  color: var(--slate-700);
  padding: 0.38rem 0.75rem;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-button:hover {
  border-color: var(--blue-600);
  background: var(--blue-50);
}

.run-status {
  min-height: 1.5rem;
  margin-top: 1rem;
}

.run-status p {
  margin-bottom: 0.2rem;
  color: var(--slate-600);
  font-size: 0.82rem;
}

.run-status .status-error {
  color: var(--critical);
}

.results {
  margin-top: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.results[aria-busy="true"] {
  opacity: 0.72;
}

.results-header {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--slate-200);
}

.results-header__copy {
  min-width: 0;
}

.results-header__actions {
  display: flex;
  flex: 0 0 auto;
  gap: 0.6rem;
}

.tested-url {
  display: block;
  max-width: 60rem;
  margin-top: 0.45rem;
  overflow-wrap: anywhere;
  font-size: 0.82rem;
}

.locale-tabs {
  margin-top: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  background: var(--slate-50);
}

.locale-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.locale-tab {
  min-height: 44px;
  max-width: 100%;
  border: 1px solid var(--slate-300);
  border-radius: 9px;
  background: var(--white);
  color: var(--slate-700);
  padding: 0.55rem 0.8rem;
  text-align: left;
}

.locale-tab[aria-selected="true"] {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: var(--white);
}

.locale-tab__label {
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
}

.locale-tab__url {
  display: block;
  max-width: 24rem;
  overflow: hidden;
  font-size: 0.68rem;
  opacity: 0.82;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.summary-card {
  min-width: 0;
  border: 1px solid var(--slate-200);
  border-top: 4px solid var(--slate-300);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.summary-card[data-tone="success"] {
  border-top-color: var(--success);
  background: var(--success-bg);
}

.summary-card[data-tone="warning"] {
  border-top-color: var(--warning);
  background: var(--warning-bg);
}

.summary-card[data-tone="critical"] {
  border-top-color: var(--critical);
  background: var(--critical-bg);
}

.summary-card[data-tone="info"] {
  border-top-color: var(--blue-600);
  background: var(--blue-50);
}

.summary-card__label {
  margin-bottom: 0.5rem;
  color: var(--slate-600);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.summary-card__value {
  margin-bottom: 0.25rem;
  color: var(--navy-950);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.1;
}

.summary-card__support {
  margin-bottom: 0;
  color: var(--slate-600);
  font-size: 0.76rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-bottom: 0.35rem;
  border: 1px solid var(--slate-300);
  border-radius: 999px;
  background: var(--slate-50);
  color: var(--slate-700);
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.status-badge::before {
  width: 0.48rem;
  height: 0.48rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.status-badge[data-tone="success"] {
  border-color: var(--success-border);
  background: var(--success-bg);
  color: var(--success);
}

.status-badge[data-tone="warning"] {
  border-color: var(--warning-border);
  background: var(--warning-bg);
  color: var(--warning);
}

.status-badge[data-tone="critical"] {
  border-color: var(--critical-border);
  background: var(--critical-bg);
  color: var(--critical);
}

.priority-section,
.details-section {
  margin-top: 2rem;
}

.priority-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.priority-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.75rem;
  border: 1px solid var(--slate-200);
  border-left: 4px solid var(--slate-300);
  border-radius: var(--radius-md);
  background: var(--white);
  color: inherit;
  padding: 1rem;
  text-decoration: none;
}

.priority-card:hover {
  border-color: var(--blue-600);
  box-shadow: var(--shadow-sm);
}

.priority-card[data-severity="critical"] {
  border-left-color: var(--critical);
}

.priority-card[data-severity="warning"] {
  border-left-color: var(--warning);
}

.priority-card__marker {
  display: inline-grid;
  min-width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 0.72rem;
  font-weight: 850;
}

.priority-card[data-severity="critical"] .priority-card__marker {
  background: var(--critical-bg);
  color: var(--critical);
}

.priority-card[data-severity="warning"] .priority-card__marker {
  background: var(--warning-bg);
  color: var(--warning);
}

.priority-card__title {
  display: block;
  margin-bottom: 0.18rem;
  color: var(--navy-950);
  font-size: 0.9rem;
  font-weight: 800;
}

.priority-card__description {
  display: block;
  color: var(--slate-600);
  font-size: 0.76rem;
}

.priority-card__count {
  border-radius: 999px;
  background: var(--slate-100);
  color: var(--slate-700);
  padding: 0.2rem 0.48rem;
  font-size: 0.72rem;
  font-weight: 800;
}

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--success-border);
  border-radius: var(--radius-md);
  background: var(--success-bg);
  color: var(--success);
  padding: 1rem;
  font-size: 0.84rem;
}

.disclosure {
  overflow: clip;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  background: var(--white);
}

.disclosure + .disclosure {
  margin-top: 0.75rem;
}

.disclosure > summary {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  padding: 0.8rem 1rem;
  color: var(--navy-950);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
}

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

.disclosure > summary::after {
  margin-left: auto;
  color: var(--slate-500);
  content: "+";
  font-size: 1.1rem;
}

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

.disclosure[open] > summary {
  border-bottom: 1px solid var(--slate-200);
  background: var(--slate-50);
}

.disclosure--passed {
  margin-top: 1.5rem;
  border-color: var(--success-border);
}

.disclosure--passed[open] > summary {
  background: var(--success-bg);
}

.count-badge,
.summary-note {
  margin-left: auto;
  border-radius: 999px;
  background: var(--slate-100);
  color: var(--slate-700);
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 800;
}

.passed-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.25rem;
  margin: 0;
  padding: 1rem 1.25rem 1.15rem 2.25rem;
  color: var(--slate-700);
  font-size: 0.82rem;
}

.passed-list li::marker {
  color: var(--success);
}

.disclosure-stack {
  display: grid;
  gap: 0.75rem;
}

.disclosure-stack .disclosure + .disclosure {
  margin-top: 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem;
}

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

.detail-card {
  min-width: 0;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 1rem;
}

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

.detail-card[data-tone="critical"] {
  border-color: var(--critical-border);
  background: linear-gradient(180deg, var(--critical-bg), var(--white) 8rem);
}

.detail-card[data-tone="warning"] {
  border-color: var(--warning-border);
  background: linear-gradient(180deg, var(--warning-bg), var(--white) 8rem);
}

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

.data-pair {
  margin-bottom: 0.8rem;
}

.data-pair__label {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--slate-600);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.data-pair__value {
  display: block;
  overflow-wrap: anywhere;
  color: var(--slate-900);
  font-size: 0.84rem;
}

.inline-status {
  display: inline-block;
  border-radius: 999px;
  background: var(--slate-100);
  color: var(--slate-700);
  padding: 0.17rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 800;
}

.inline-status[data-tone="success"] {
  background: var(--success-bg);
  color: var(--success);
}

.inline-status[data-tone="warning"] {
  background: var(--warning-bg);
  color: var(--warning);
}

.inline-status[data-tone="critical"] {
  background: var(--critical-bg);
  color: var(--critical);
}

.table-region {
  max-width: 100%;
  overflow: auto;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(to right, var(--white) 30%, rgba(255, 255, 255, 0)),
    linear-gradient(to left, var(--white) 30%, rgba(255, 255, 255, 0)) 100% 0,
    radial-gradient(farthest-side at 0 50%, rgba(16, 36, 62, 0.16), transparent),
    radial-gradient(farthest-side at 100% 50%, rgba(16, 36, 62, 0.16), transparent) 100% 0;
  background-attachment: local, local, scroll, scroll;
  background-color: var(--white);
  background-repeat: no-repeat;
  background-size: 3rem 100%, 3rem 100%, 0.7rem 100%, 0.7rem 100%;
}

.table-region:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  background: var(--white);
}

caption {
  padding: 0;
}

th,
td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--slate-100);
  text-align: left;
  vertical-align: top;
  font-size: 0.75rem;
}

th {
  position: sticky;
  z-index: 1;
  top: 0;
  background: var(--slate-50);
  color: var(--slate-600);
  font-size: 0.66rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

td {
  color: var(--slate-700);
  overflow-wrap: anywhere;
}

.table-url {
  word-break: break-all;
}

.table-url a {
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.table-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.6rem;
}

.table-toggle {
  min-height: 36px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--blue-50);
  color: var(--blue-700);
  padding: 0.4rem 0.7rem;
  font-size: 0.74rem;
  font-weight: 800;
}

.table-toggle:hover {
  background: var(--blue-100);
}

.table-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.empty-copy,
.ok-copy {
  margin-bottom: 0;
  color: var(--slate-500);
  font-size: 0.8rem;
}

.ok-copy {
  color: var(--success);
}

.disclosure--developer pre {
  max-height: 32rem;
  margin: 0;
  overflow: auto;
  background: var(--navy-950);
  color: #f3f7fb;
  padding: 1rem;
  font-size: 0.72rem;
  line-height: 1.6;
  tab-size: 2;
  white-space: pre;
}

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

@media (max-width: 900px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .shell {
    width: min(100% - 1.25rem, 1360px);
  }

  .site-header__inner {
    align-items: flex-start;
    padding-block: 1.2rem;
  }

  .brand-mark {
    width: 2.6rem;
    height: 2.6rem;
  }

  .main-content {
    padding-block: 1rem 2.5rem;
  }

  .section-heading,
  .results-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading__support {
    text-align: left;
  }

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

  .run-form__row .button {
    width: 100%;
  }

  .results-header__actions {
    width: 100%;
  }

  .results-header__actions .button {
    flex: 1;
  }

  .summary-grid,
  .detail-grid--two,
  .passed-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .priority-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .priority-card__count {
    grid-column: 2;
    justify-self: start;
  }
}

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