:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --border: #d0d0d0;
  --error: #b00020;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --border: #3a3a3a;
    --error: #ff6b81;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}
section {
  margin: 24px 0;
  display: grid;
  gap: 8px;
}
label {
  display: grid;
  gap: 4px;
}
input,
select,
textarea,
button {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
}
textarea {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  word-break: break-all;
}
button {
  cursor: pointer;
  justify-self: start;
}
.muted {
  color: var(--muted);
}
.error {
  color: var(--error);
}