:root {
  color-scheme: light;
  --proof-space-xs: 4px;
  --proof-space-sm: 8px;
  --proof-space-md: 16px;
  --proof-space-lg: 24px;
  --proof-space-xl: 32px;
  --proof-space-2xl: 48px;
  --proof-space-3xl: 64px;
  --proof-background: #FAFBFA;
  --proof-panel: #EEF2EF;
  --proof-accent: #2563EB;
  --proof-text: #151A16;
  --proof-muted: #5D6860;
  --proof-border: #C9D3CC;
  --proof-success: #167A45;
  --proof-warning: #9A6700;
  --proof-info: #2563EB;
  --proof-danger: #B42318;
  --proof-white: #FFFFFF;
  --proof-shadow: 0 18px 48px rgba(21, 26, 22, 0.08);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--proof-background);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(201, 211, 204, 0.36) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(180deg, rgba(201, 211, 204, 0.24) 1px, transparent 1px) 0 0 / 32px 32px,
    var(--proof-background);
  color: var(--proof-text);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: var(--proof-space-xs);
}

button,
input,
textarea,
select {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--proof-accent);
  outline-offset: 2px;
}

.skip-link {
  left: var(--proof-space-md);
  position: absolute;
  top: -80px;
  z-index: 10;
}

.skip-link:focus {
  background: var(--proof-background);
  border: 1px solid var(--proof-border);
  color: var(--proof-text);
  padding: var(--proof-space-sm) var(--proof-space-md);
  top: var(--proof-space-md);
}

.site-header {
  background: rgba(238, 242, 239, 0.96);
  border-bottom: 1px solid var(--proof-border);
}

.bar,
main {
  margin: 0 auto;
  max-width: 1120px;
  padding: var(--proof-space-lg);
}

.bar {
  align-items: center;
  display: flex;
  gap: var(--proof-space-lg);
  justify-content: space-between;
}

.brand {
  color: var(--proof-text);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--proof-space-sm) var(--proof-space-md);
}

.nav a {
  align-items: center;
  display: inline-flex;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  min-height: 44px;
  position: relative;
}

.nav a[aria-current="page"] {
  color: var(--proof-accent);
  text-decoration-line: underline;
}

.nav a[aria-current="page"]::before {
  border: 2px solid currentColor;
  content: "";
  height: 8px;
  left: -12px;
  position: absolute;
  width: 8px;
}

main {
  padding-block: var(--proof-space-xl) var(--proof-space-3xl);
}

.hero,
.focal,
.layout,
.proof-status-hero {
  display: grid;
  gap: var(--proof-space-xl);
  padding-block: var(--proof-space-2xl) var(--proof-space-xl);
}

.hero,
.focal,
.proof-status-hero {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
}

.layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
}

.eyebrow,
.label,
dt,
th {
  color: var(--proof-muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.eyebrow,
.label,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  margin: var(--proof-space-sm) 0 var(--proof-space-md);
}

h2 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--proof-space-md);
}

p + p,
p + .status,
.field + .field {
  margin-top: var(--proof-space-md);
}

.proof-panel,
.summary-panel,
.panel,
.section,
.stat,
.summary-item,
.verdict-panel,
.alert,
.empty,
.request-details {
  border: 1px solid var(--proof-border);
  padding: var(--proof-space-lg);
}

.proof-panel,
.summary-panel,
.panel,
.section,
.summary-item,
.verdict-panel,
.empty,
.request-details {
  background: rgba(238, 242, 239, 0.92);
}

.verdict-panel {
  box-shadow: var(--proof-shadow);
}

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

.alert {
  background: var(--proof-background);
  border-color: var(--proof-danger);
  margin-bottom: var(--proof-space-lg);
}

.actions,
.filter-set {
  display: flex;
  flex-wrap: wrap;
  gap: var(--proof-space-md);
  margin-top: var(--proof-space-lg);
}

.button,
button,
.filter-button {
  align-items: center;
  border: 1px solid var(--proof-accent);
  display: inline-flex;
  font-size: 14px;
  font-weight: 600;
  justify-content: center;
  line-height: 1.4;
  min-height: 44px;
  padding: var(--proof-space-sm) var(--proof-space-md);
  text-decoration: none;
}

button,
.filter-button {
  background: var(--proof-background);
  color: var(--proof-accent);
  cursor: pointer;
}

.button.primary,
.primary,
button[type="submit"]:not(.destructive),
.filter-button[aria-pressed="true"] {
  background: var(--proof-accent);
  color: var(--proof-white);
}

.button.secondary,
.secondary {
  background: transparent;
  color: var(--proof-accent);
}

.destructive {
  background: var(--proof-background);
  border-color: var(--proof-danger);
  color: var(--proof-danger);
}

.danger-zone {
  border: 1px solid var(--proof-danger);
  padding: var(--proof-space-lg);
}

.inline-action {
  border: 0;
  margin: 0;
  padding: 0;
}

.visually-hidden {
  block-size: 1px;
  clip-path: inset(50%);
  inline-size: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
}

.details,
.details-list,
.capability-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.details div,
.capability-list div {
  display: grid;
  gap: var(--proof-space-xs);
}

.details dd,
.details-list dd,
.capability-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.details-list {
  grid-template-columns: max-content minmax(0, 1fr);
}

.details-list dt,
.details-list dd {
  border-top: 1px solid var(--proof-border);
  padding-top: var(--proof-space-sm);
}

.field {
  display: grid;
  gap: var(--proof-space-sm);
}

label {
  color: var(--proof-text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

input,
textarea,
select {
  background: var(--proof-background);
  border: 1px solid var(--proof-border);
  color: var(--proof-text);
  min-height: 44px;
  padding: var(--proof-space-sm) var(--proof-space-md);
  width: 100%;
}

textarea {
  min-height: 112px;
  resize: vertical;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--proof-danger);
}

.help,
.error {
  font-size: 14px;
  line-height: 1.4;
}

.help {
  color: var(--proof-muted);
}

.error {
  color: var(--proof-danger);
  font-weight: 600;
}

.grid,
.stats,
.proof-status-grid,
.summary-strip {
  display: grid;
  gap: var(--proof-space-lg);
}

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

.stats,
.summary-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: var(--proof-space-xl);
}

.stat strong {
  display: block;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
}

.proof-list,
.state-list,
.matrix-list {
  display: grid;
  gap: var(--proof-space-md);
  margin: 0;
  padding: 0;
}

.proof-list li,
.state-list li,
.matrix-row {
  border-top: 1px solid var(--proof-border);
  display: grid;
  gap: var(--proof-space-xs);
  list-style: none;
  padding-top: var(--proof-space-md);
}

.proof-list li:first-child,
.state-list li:first-child,
.matrix-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-row,
.matrix-row,
.verdict-label,
.capability-list dd {
  align-items: center;
  display: flex;
  gap: var(--proof-space-sm);
}

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

.status,
.badge {
  border: 1px solid var(--proof-border);
  font-size: 14px;
  line-height: 1.4;
}

.status {
  background: var(--proof-background);
  margin-top: var(--proof-space-md);
  padding: var(--proof-space-md);
}

.badge {
  align-items: center;
  display: inline-flex;
  font-weight: 600;
  min-height: 32px;
  padding: var(--proof-space-xs) var(--proof-space-sm);
}

.badge::before {
  content: "Status: ";
}

.badge.warning {
  border-color: var(--proof-warning);
}

.badge.unavailable {
  border-color: var(--proof-danger);
}

.status-mark {
  border: 2px solid var(--proof-success);
  display: inline-block;
  flex: 0 0 auto;
  height: 12px;
  width: 12px;
}

.status-mark.info {
  border-color: var(--proof-info);
  border-radius: 50%;
}

.status-mark.warning,
.status-mark.advisory {
  border-color: var(--proof-warning);
  transform: rotate(45deg);
}

.status-mark.unavailable {
  border-color: var(--proof-danger);
}

.status-mark.blocked {
  border-color: var(--proof-danger);
  position: relative;
}

.status-mark.blocked::after {
  background: var(--proof-danger);
  content: "";
  height: 2px;
  left: 1px;
  position: absolute;
  top: 3px;
  transform: rotate(45deg);
  width: 8px;
}

.verdict-label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.verdict-blocked {
  color: var(--proof-danger);
}

.table-wrap {
  border: 1px solid var(--proof-border);
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 640px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--proof-border);
  padding: var(--proof-space-sm);
  text-align: left;
  vertical-align: top;
}

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

@media (max-width: 920px) {
  .stats,
  .summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .focal,
  .layout,
  .proof-status-hero,
  .grid,
  .proof-status-grid,
  .stats,
  .summary-strip {
    grid-template-columns: 1fr;
  }

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

  .matrix-row .badge {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 520px) {
  .bar,
  main {
    padding-inline: var(--proof-space-lg);
  }

  .actions,
  .filter-set {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  button,
  .filter-button {
    width: 100%;
  }

  .details-list {
    grid-template-columns: 1fr;
  }

  .details-list dd {
    border-top: 0;
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (forced-colors: active) {
  body {
    background: Canvas;
    color: CanvasText;
  }

  .site-header,
  .proof-panel,
  .summary-panel,
  .panel,
  .section,
  .summary-item,
  .verdict-panel,
  .empty,
  .request-details,
  .status,
  input,
  textarea,
  select,
  button,
  .button,
  .filter-button {
    background: Canvas;
    border-color: CanvasText;
    color: CanvasText;
    forced-color-adjust: auto;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible,
  [tabindex]:focus-visible {
    outline-color: Highlight;
  }
}