:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #555;
  --accent: #0b5fff;
  --border: #d0d0d0;
  --blocked: #b3261e;
  --not-blocked: #146c2e;
  --inconclusive: #8a6d00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f0f0f0;
    --bg: #121212;
    --muted: #aaa;
    --accent: #6ea8ff;
    --border: #3a3a3a;
    --blocked: #ff6b6b;
    --not-blocked: #4ade80;
    --inconclusive: #facc15;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

h1 {
  font-size: 1.5rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
}

.disclosure {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  margin: 1.5rem 0;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

button {
  font-size: 1.1rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

#status {
  margin-top: 1rem;
  min-height: 1.5rem;
}

#results[hidden] {
  display: none;
}

.categories,
.untested {
  list-style: none;
  padding: 0;
}

.categories li,
.untested li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.confidence {
  color: var(--muted);
}

footer {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}