:root {
  --ground: #F7F6F2;
  --ink: #1C1B19;
  --muted: #5E5B55;
  --rule: #E2DFD8;
  --accent: #9A3A17;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
}
main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.kicker { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
h1 { margin: 4px 0 0; font: 400 48px/1 Georgia, serif; }
h2 {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
section { display: flex; flex-direction: column; gap: 8px; }
label { font-size: 13px; color: var(--muted); margin-top: 4px; }
input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid #C9C5BC;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row.between { justify-content: space-between; align-items: baseline; }
.row.between h2 { flex: 1; }
button {
  font: inherit;
  font-size: 15px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 22px;
  border: 1px solid #C9C5BC;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
button.primary { background: var(--ink); border-color: var(--ink); color: var(--ground); }
button:disabled { opacity: .45; cursor: default; }
.status { margin: 4px 0 0; font-size: 14px; color: var(--muted); }
.status.ok { color: #1F5F2F; }
.status.err { color: var(--accent); }
.hint { margin: 0; font-size: 13px; color: var(--muted); }
dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; }
dt { color: var(--muted); }
dd { margin: 0; }
pre {
  margin: 0;
  padding: 12px;
  min-height: 120px;
  max-height: 360px;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 10px;
  font: 12px/1.5 ui-monospace, Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}