:root {
  --accent: #1f6feb;
  --ok: #1a7f37;
  --warn: #9a6700;
  --line: #d0d7de;
  --muted: #57606a;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  color: #1f2328;
  background: #f6f8fa;
}

main {
  max-width: 640px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

h1 small {
  display: block;
  font-size: 0.9rem;
  font-weight: normal;
  color: var(--muted);
}

h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

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

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0 0 0.75rem;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.mono {
  font-family: ui-monospace, monospace;
}

.chip {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.9rem;
  background: #fff8c5;
  color: var(--warn);
}

.chip.ok {
  background: #dafbe1;
  color: var(--ok);
}

form {
  display: inline;
}

label {
  display: block;
  margin-bottom: 0.5rem;
}

input[type="text"],
input:not([type]) {
  font: inherit;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 16rem;
}

button,
input[type="submit"] {
  font: inherit;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button.secondary,
input[type="submit"].secondary {
  background: #fff;
  color: var(--accent);
}

.footer {
  text-align: center;
}