:root {
  color-scheme: light dark;
  --bg: #fff;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #6a1b9a;
  --ok: #1b7f3b;
  --bad: #b3261e;
  --border: #ccc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #eee;
    --muted: #aaa;
    --accent: #ce93d8;
    --ok: #81c995;
    --bad: #f28b82;
    --border: #444;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.4 system-ui, sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem max(1rem, env(safe-area-inset-left)) 3rem;
}

h1 {
  font-size: 1.4rem;
  color: var(--accent);
}

h2 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 0 0 0.75rem;
}

fieldset label {
  display: block;
  padding: 0.3rem 0;
}

button {
  font: inherit;
  min-height: 44px;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
}

.controls button {
  min-width: 4rem;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.ok {
  color: var(--ok);
}

.bad {
  color: var(--bad);
}

.log {
  font: 12px/1.5 ui-monospace, monospace;
  padding-left: 1.5rem;
  overflow-wrap: anywhere;
}

.log .hidden-vis {
  font-weight: bold;
}