/* Styles shared by every demo page (the shell). Page-specific rules live in
   demos/<id>/view.css. */
:root {
  --bg: #f7f7f8;
  --fg: #1b1b1f;
  --muted: #5f6068;
  --card: #ffffff;
  --border: #d9d9de;
  --accent: #2f6fed;
  --error-bg: #fdecec;
  --error-fg: #9b1c1c;
  --warn-bg: #fff4dc;
  --warn-fg: #7a4b00;
  --ok-fg: #1d6b35;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141417;
    --fg: #ececf1;
    --muted: #a0a0aa;
    --card: #1e1e23;
    --border: #34343c;
    --accent: #6d9bff;
    --error-bg: #3a1a1a;
    --error-fg: #ffb4b4;
    --warn-bg: #3a2c10;
    --warn-fg: #f5c875;
    --ok-fg: #7fd69a;
  }
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    15px/1.5 system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
h1 {
  font-size: 1.4rem;
  margin: 0 0 4px;
}
h2 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.hint,
.summary {
  color: var(--muted);
  margin: 0 0 16px;
}
.picker {
  display: block;
  margin-bottom: 16px;
}
.samples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--muted);
}
.samples button {
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  max-width: 100%;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.samples .size {
  color: var(--muted);
}
.progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}
.progress progress {
  flex: 1;
}
.error {
  margin: 16px 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--error-bg);
  color: var(--error-fg);
}
.tuning {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin: 16px 0 0;
}
.tuning label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tuning .end {
  color: var(--muted);
  font-size: 0.9em;
}
.tuning .stats {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
section.info {
  margin-top: 40px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.warning {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--warn-bg);
  color: var(--warn-fg);
}
.table-wrap {
  overflow-x: auto;
  margin: 0 0 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th,
td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 600;
}
.status {
  white-space: nowrap;
  font-weight: 600;
}
.ok {
  color: var(--ok-fg);
}
.maybe {
  color: var(--warn-fg);
}
.no {
  color: var(--error-fg);
}
pre {
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  font:
    13px/1.45 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}

/* Navigation between demos */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0 0 20px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--border);
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--fg);
}
.site-nav a[aria-current="page"] {
  color: var(--fg);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* "Reset to defaults" at the right end of a page's controls row */
.tuning .reset {
  margin-left: auto;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
}
.tuning .reset:disabled {
  opacity: 0.45;
  cursor: default;
}

/* Run button, statistics, secondary actions */
.run-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 12px 0 0;
}
button.primary {
  padding: 8px 18px;
  border-radius: 6px;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
}
button.primary:disabled {
  opacity: 0.45;
  cursor: default;
}
button.secondary {
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px;
  margin: 16px 0 12px;
}
.stat-grid div {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
}
.stat-grid dt {
  color: var(--muted);
  font-size: 0.85rem;
}
.stat-grid dd {
  margin: 2px 0 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.tuning .value {
  font-variant-numeric: tabular-nums;
  min-width: 3.5em;
}
/* Choices and the view's own controls: their own line, so Reset stays level
   with the sliders. */
.tuning-extras {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  flex-basis: 100%;
}
.tuning-extras:empty,
.tuning-extras .view-controls:empty {
  display: none;
}
.tuning .choice {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
}
.tuning .choice label {
  color: var(--fg);
}
.note {
  color: var(--muted);
  margin: 8px 0 12px;
}
td.num,
th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Landing page cards */
.cards {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.cards a {
  display: block;
  height: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: inherit;
  text-decoration: none;
}
.cards a:hover,
.cards a:focus-visible {
  border-color: var(--accent);
  outline: none;
}
.cards strong {
  display: block;
  margin-bottom: 4px;
}
.cards span {
  color: var(--muted);
}