:root {
  color-scheme: light;
  --ink: #182027;
  --muted: #66717a;
  --line: #d9dee2;
  --soft: #f4f6f7;
  --paper: #ffffff;
  --accent: #c83e37;
  --pass: #19734b;
  --pass-bg: #e7f4ec;
  --fail: #b4232a;
  --fail-bg: #fbeaec;
  --error: #9a6500;
  --error-bg: #fff3d6;
  --unsupported: #6c747b;
  --unsupported-bg: #eef0f1;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration-color: #a8b0b6;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 720;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}

.title-band {
  padding: 42px 0 36px;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.title-layout {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.eyebrow,
.axis-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 760;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  font-weight: 500;
  line-height: 1.03;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.25;
}

.run-context {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.controls {
  display: flex;
  align-items: end;
  gap: 12px;
}

.controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

select {
  min-width: 156px;
  height: 40px;
  padding: 0 34px 0 11px;
  border: 1px solid #b9c0c5;
  border-radius: 4px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
  font-size: 13px;
}

.report {
  padding-top: 28px;
  padding-bottom: 72px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}

.summary > div {
  min-height: 82px;
  padding: 16px 20px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-right: 1px solid var(--line);
}

.summary > div:last-child {
  border-right: 0;
}

.summary strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  font-weight: 500;
}

.summary span {
  color: var(--muted);
  font-size: 12px;
}

.matrix-heading {
  margin: 44px 0 18px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-dot.pass { color: var(--pass); }
.status-dot.fail { color: var(--fail); }
.status-dot.error { color: var(--error); }
.status-dot.unsupported { color: var(--unsupported); }

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

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  height: 116px;
  padding: 10px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}

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

th:last-child,
td:last-child {
  border-right: 0;
}

thead th {
  height: 58px;
  background: var(--soft);
  font-size: 12px;
  font-weight: 700;
}

.corner-label,
.row-label {
  width: 170px;
  text-align: left;
}

.row-label {
  padding-left: 18px;
  background: #fafbfb;
  font-size: 13px;
}

.row-label span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.cell-button {
  width: 100%;
  min-height: 88px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
}

.cell-button:hover,
.cell-button:focus-visible {
  border-color: currentColor;
  outline: none;
}

.cell-button .symbol {
  display: block;
  font-size: 20px;
  font-weight: 760;
  line-height: 1;
}

.cell-button .status-label {
  display: block;
  margin-top: 7px;
  font-size: 10px;
  font-weight: 760;
  text-transform: uppercase;
}

.probe-badges {
  min-height: 18px;
  margin-top: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.probe-badge {
  min-width: 26px;
  height: 18px;
  padding: 0 4px;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 760;
  line-height: 1;
}

.probe-badge.pass { color: var(--pass); background: var(--pass-bg); }
.probe-badge.fail { color: var(--fail); background: var(--fail-bg); }
.probe-badge.error { color: var(--error); background: var(--error-bg); }
.probe-badge.unsupported { color: var(--unsupported); background: var(--unsupported-bg); }

.cell-button.pass { color: var(--pass); background: var(--pass-bg); }
.cell-button.fail { color: var(--fail); background: var(--fail-bg); }
.cell-button.error { color: var(--error); background: var(--error-bg); }
.cell-button.unsupported { color: var(--unsupported); background: var(--unsupported-bg); }

.run-meta {
  margin-top: 28px;
  padding: 18px 0;
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr 1fr;
  gap: 24px;
  border-block: 1px solid var(--line);
}

.run-meta span,
.run-meta strong {
  display: block;
}

.run-meta span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.run-meta strong {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
}

.implementations {
  margin-top: 44px;
}

.implementations h2 {
  margin-bottom: 14px;
}

#implementation-list {
  border-top: 1px solid var(--line);
}

.implementation-row {
  min-height: 58px;
  padding: 12px 0;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.implementation-row strong {
  font-size: 13px;
}

.implementation-row p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.capabilities {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.empty-state {
  min-height: 280px;
  padding: 70px 20px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  border-block: 1px solid var(--line);
  text-align: center;
}

.empty-state span {
  color: var(--muted);
}

dialog {
  width: min(680px, calc(100% - 32px));
  max-height: min(760px, calc(100vh - 32px));
  padding: 0;
  border: 1px solid #aeb5ba;
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 22px 70px rgba(23, 31, 37, 0.2);
}

dialog::backdrop {
  background: rgba(24, 32, 39, 0.42);
}

.dialog-header {
  padding: 22px 24px;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.icon-button {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  background: var(--paper);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

#dialog-body {
  padding: 10px 24px 24px;
}

.probe-detail {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.probe-detail:last-child {
  border-bottom: 0;
}

.probe-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.probe-title strong {
  font-size: 14px;
}

.status-text {
  font-size: 11px;
  font-weight: 760;
  text-transform: uppercase;
}

.status-text.pass { color: var(--pass); }
.status-text.fail { color: var(--fail); }
.status-text.error { color: var(--error); }
.status-text.unsupported { color: var(--unsupported); }

.metrics {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.metrics div {
  padding: 9px 10px;
  background: var(--soft);
}

.metrics dt {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.metrics dd {
  margin: 2px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.probe-message {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

footer {
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

footer .content-width {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

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

  nav a:first-child {
    display: none;
  }

  .title-band {
    padding: 30px 0 26px;
  }

  .title-layout,
  .matrix-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  select {
    width: 100%;
    min-width: 0;
  }

  .summary {
    grid-template-columns: 1fr 1fr;
  }

  .summary > div:nth-child(2) {
    border-right: 0;
  }

  .summary > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .run-meta {
    grid-template-columns: 1fr 1fr;
  }

  .implementation-row {
    grid-template-columns: 1fr auto;
  }

  .implementation-row > div:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 440px) {
  .brand > span:last-child {
    font-size: 13px;
  }

  nav {
    gap: 0;
  }

  h1 {
    font-size: 34px;
  }

  .controls,
  .run-meta,
  .metrics {
    grid-template-columns: 1fr;
  }

  footer .content-width {
    flex-direction: column;
  }
}