:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-raised: #f6f7f9;
  --bg-inset: #eef0f3;
  --border: #dde1e6;
  --text: #1a1d21;
  --text-dim: #5c6470;
  --text-faint: #8991a0;
  --accent: #2f6fed;
  --accent-bg: #eaf1fe;
  --good: #1a7f4e;
  --good-bg: #e7f7ef;
  --warn: #a35a00;
  --warn-bg: #fdf1e0;
  --bad: #b8272c;
  --bad-bg: #fceaea;
  --mono: "SF Mono", "Menlo", "Consolas", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-raised: #171a20;
    --bg-inset: #1d2129;
    --border: #2a2f3a;
    --text: #e7e9ec;
    --text-dim: #a3aab6;
    --text-faint: #6b7280;
    --accent: #6b9bff;
    --accent-bg: #16233f;
    --good: #4fd691;
    --good-bg: #10291c;
    --warn: #e3a53d;
    --warn-bg: #2e2308;
    --bad: #ff6b6f;
    --bad-bg: #2e1214;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

header.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

header.hero h1 {
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

header.hero p {
  margin: 0;
  color: var(--text-dim);
  max-width: 46ch;
  font-size: 0.92rem;
}

nav.top-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}
nav.top-nav a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
nav.top-nav a:hover, nav.top-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.status-line {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.spinner {
  width: 0.7rem; height: 0.7rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.75rem; }
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-dim);
}
.badge.confidence-high { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.badge.confidence-medium { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.confidence-low, .badge.confidence-informational { background: var(--accent-bg); color: var(--accent); border-color: transparent; }
.badge.tone-good { background: var(--good-bg); color: var(--good); border-color: transparent; }

section.block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.25rem;
}
section.block > h2 {
  font-size: 1.02rem;
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
section.block > h2 .count {
  font-weight: 400;
  color: var(--text-faint);
  font-size: 0.85rem;
}
section.block > p.lead {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: -0.4rem 0 0.9rem;
}

.assessment-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  background: var(--bg);
}
.assessment-card:last-child { margin-bottom: 0; }
.assessment-card .row {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.35rem; flex-wrap: wrap;
}
.assessment-card .title { font-weight: 600; font-size: 0.92rem; overflow-wrap: anywhere; }
.assessment-card .statement { color: var(--text-dim); font-size: 0.87rem; margin: 0.2rem 0 0.4rem; }
.assessment-card .evidence { font-size: 0.76rem; color: var(--text-faint); font-family: var(--mono); overflow-wrap: anywhere; }
.assessment-card .refs { font-size: 0.78rem; margin-top: 0.3rem; }
.assessment-card .refs a { color: var(--accent); }

details.category {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.6rem;
  background: var(--bg);
  overflow: hidden;
}
details.category:last-child { margin-bottom: 0; }
details.category > summary {
  cursor: pointer;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}
details.category > summary::-webkit-details-marker { display: none; }
details.category > summary .meta { font-weight: 400; color: var(--text-faint); font-size: 0.78rem; }

table.obs-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 0.82rem;
}
table.obs-table th, table.obs-table td {
  text-align: left;
  padding: 0.5rem 0.7rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
  overflow-wrap: break-word;
}
table.obs-table th {
  color: var(--text-faint);
  font-weight: 500;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
table.obs-table col.col-id { width: 24%; }
table.obs-table col.col-status { width: 11%; }
table.obs-table col.col-value { width: 42%; }
table.obs-table col.col-method { width: 23%; }
table.obs-table td.id { font-family: var(--mono); color: var(--text-dim); }
table.obs-table td.method { font-family: var(--mono); color: var(--text-faint); font-size: 0.78em; }
table.obs-table td.value { font-family: var(--mono); word-break: break-word; }
table.obs-table td.value .normalized { color: var(--text-faint); font-size: 0.78em; display: block; margin-top: 0.15rem; }
table.obs-table tr.obs-row { cursor: default; }
table.obs-table tr.has-info { cursor: pointer; }
table.obs-table tr.has-info:hover { background: var(--bg-inset); }

.info-panel {
  background: var(--accent-bg);
  border-top: 1px solid var(--border);
  padding: 0.7rem 1rem;
  font-size: 0.82rem;
}
.info-panel p { margin: 0 0 0.4rem; }
.info-panel .label { font-weight: 600; color: var(--text-dim); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; }
.info-panel a { color: var(--accent); }

.pill { display: inline-block; padding: 0.1rem 0.45rem; border-radius: 5px; font-size: 0.72rem; font-weight: 600; }
.pill.observed { background: var(--good-bg); color: var(--good); }
.pill.unavailable, .pill.not_applicable { background: var(--bg-inset); color: var(--text-faint); }
.pill.unsupported { background: var(--warn-bg); color: var(--warn); }
.pill.error { background: var(--bad-bg); color: var(--bad); }

.raw-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  font-size: 0.82rem;
  cursor: pointer;
}
.raw-toggle:hover { border-color: var(--accent); color: var(--accent); }

pre.raw-json {
  background: var(--bg-inset);
  border-radius: 10px;
  padding: 1rem;
  overflow: auto;
  font-size: 0.76rem;
  max-height: 600px;
  margin-top: 0.8rem;
}

footer.page-footer {
  color: var(--text-faint);
  font-size: 0.8rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
footer.page-footer a { color: var(--text-dim); }

/* Docs page */
.docs-page h2 { font-size: 1.1rem; margin-top: 2rem; }
.docs-page h3 { font-size: 0.98rem; }
.docs-page section.block p { font-size: 0.9rem; color: var(--text); }
.docs-page section.block p.lead { color: var(--text-dim); }
.docs-page ul { font-size: 0.88rem; }
.docs-page .refs-list { font-size: 0.82rem; color: var(--text-dim); }
.docs-page .refs-list a { color: var(--accent); }
.toc { font-size: 0.85rem; }
.toc a { color: var(--text-dim); display: block; padding: 0.15rem 0; text-decoration: none; }
.toc a:hover { color: var(--accent); }

/* Phones: stack each table row into a small card instead of squeezing four columns. */
@media (max-width: 640px) {
  .page { padding: 1.25rem 1rem 4rem; }
  header.hero { gap: 0.75rem; }
  header.hero p { max-width: none; }
  nav.top-nav { gap: 1.25rem; font-size: 0.92rem; }
  nav.top-nav a { padding: 0.25rem 0; }
  section.block { padding: 1rem; border-radius: 10px; }
  section.block > h2 { flex-wrap: wrap; row-gap: 0.1rem; }
  section.block > h2 .count { flex-basis: 100%; }
  details.category > summary { padding: 0.85rem 1rem; gap: 0.75rem; }
  .assessment-card { padding: 0.75rem 0.85rem; }

  table.obs-table, table.obs-table tbody { display: block; width: 100%; }
  table.obs-table colgroup, table.obs-table thead { display: none; }
  table.obs-table tbody tr:not(.info-row) {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.2rem 0.75rem;
    align-items: start;
    padding: 0.7rem 0;
    border-top: 1px solid var(--border);
  }
  table.obs-table tbody tr:first-child { border-top: 0; }
  table.obs-table th, table.obs-table td { padding: 0; border: 0; }
  table.obs-table td.id { grid-column: 1; font-weight: 600; overflow-wrap: anywhere; }
  table.obs-table td.status { grid-column: 2; grid-row: 1; justify-self: end; }
  table.obs-table td.value { grid-column: 1 / -1; overflow-wrap: anywhere; min-width: 0; }
  table.obs-table td.method { grid-column: 1 / -1; overflow-wrap: anywhere; }
  table.obs-table tr.info-row { display: block; }
  table.obs-table tr.info-row td { display: block; }
  .info-panel { border-radius: 8px; margin-top: 0.4rem; }
  pre.raw-json { font-size: 0.72rem; max-height: 420px; }

  .docs-page pre, .docs-page table { max-width: 100%; overflow-x: auto; display: block; }
  .docs-page code { overflow-wrap: anywhere; }
}