:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --text: #1a1a1a;
  --text-muted: #55606b;
  --border: #d7dde2;
  --accent: #1f6feb;
  --accent-contrast: #ffffff;
  --green: #1a7f37;
  --green-bg: #e6f4ea;
  --yellow-bg: #fff8dc;
  --red: #b42318;
  --red-bg: #fdecea;
  --radius: 10px;
  --max-width: 960px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --bg-alt: #1c2024;
    --text: #eef1f4;
    --text-muted: #a7b0b8;
    --border: #333a41;
    --accent: #6ea8fe;
    --accent-contrast: #0b0d0f;
    --green: #4ade80;
    --green-bg: #12281c;
    --yellow-bg: #33290a;
    --red: #ff8a80;
    --red-bg: #341313;
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

header.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-title {
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
.site-title span { color: var(--accent); }

.progress-badge {
  font-size: 0.75rem;
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  white-space: nowrap;
}
.progress-badge:hover { color: var(--accent); border-color: var(--accent); }

nav.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem 0.9rem;
  flex-wrap: wrap;
}
.nav-group {
  display: flex;
  align-items: center;
  gap: 0.35rem 0.4rem;
  flex-wrap: wrap;
  padding-left: 0.6rem;
  border-left: 1px solid var(--border);
}
.nav-group-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-right: 0.1rem;
}
nav.site-nav a {
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
nav.site-nav a:hover { color: var(--text); background: var(--border); }
nav.site-nav a[aria-current="page"] {
  color: var(--accent-contrast);
  background: var(--accent);
  font-weight: 600;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

h1 { font-size: 1.6rem; margin-top: 0; }
h2 { font-size: 1.25rem; margin-top: 2rem; border-top: 1px solid var(--border); padding-top: 1.25rem; }
h2:first-of-type { border-top: none; padding-top: 0; }
h3 { font-size: 1.05rem; }

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

.callout {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin: 1rem 0;
  background: var(--bg-alt);
}
.callout.green { background: var(--green-bg); }
.callout.yellow { background: var(--yellow-bg); }
.callout.red { background: var(--red-bg); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--text-muted); font-weight: 600; }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 0.75rem 0;
  background: var(--bg-alt);
}
.card h3 { margin-top: 0; }

.pill {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--border);
  color: var(--text);
  margin-right: 0.3rem;
}
.pill.high { background: var(--green-bg); color: var(--green); }

.grid { display: grid; gap: 0.75rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

button, .btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
}
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }
button.primary:hover { opacity: 0.9; color: var(--accent-contrast); }

label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.25rem; }
select, input[type="text"], input[type="number"], input[type="date"] {
  font: inherit;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
}

.toolbar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: end;
  margin: 1rem 0;
}
.toolbar > div { min-width: 160px; flex: 1; }

.link-list { list-style: none; padding: 0; margin: 0.5rem 0; }
.link-list li { margin: 0.35rem 0; }

.checklist { list-style: none; padding: 0; }
.checklist li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border);
}
.checklist input[type="checkbox"] { margin-top: 0.25rem; }

.score-badge {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  background: var(--border);
}
.score-badge.pass { background: var(--green-bg); color: var(--green); }

footer.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 1.5rem 1.25rem 2.5rem;
}
footer.site-footer a { color: var(--text-muted); }

.tracker-table input, .tracker-table select { font-size: 0.85rem; }
.tracker-table td { padding: 0.3rem 0.4rem; }

@media print {
  header.site-header, nav.site-nav, footer.site-footer, .no-print { display: none !important; }
  body { color: #000; background: #fff; }
}

.copy-btn { font-size: 0.75rem; margin-left: 0.5rem; }

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0.75rem 0;
  padding: 0 1.1rem;
  background: var(--bg-alt);
}
details[open] { padding-bottom: 0.75rem; }
details summary {
  cursor: pointer;
  padding: 0.75rem 0;
  list-style: revert;
}
details summary h2 {
  display: inline;
  border-top: none;
  margin: 0;
  padding: 0;
  font-size: 1.1rem;
}
details summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
details > *:not(summary) { margin-top: 0.75rem; }

.disclaimer {
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
  padding-top: 1rem;
}