:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #666666;
  --border: #e5e5e5;
  --danger: #c4161c;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #ededed;
    --muted: #a1a1a1;
    --border: #2e2e2e;
    --danger: #ff6166;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
main {
  max-width: 34rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}
.brand a {
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}
h1 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.lead,
.note {
  color: var(--muted);
  font-size: 0.9rem;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
}
form {
  display: grid;
  gap: 0.4rem;
  margin: 1.5rem 0 1rem;
}
label {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.8rem;
}
input {
  width: 100%;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--fg);
  font: inherit;
}
input:focus {
  outline: 2px solid var(--fg);
  outline-offset: 1px;
}
.button {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.75rem;
  margin: 1rem 0;
  border-radius: 0.5rem;
  background: var(--fg);
  color: var(--bg);
  font-weight: 500;
  text-decoration: none;
}
.error {
  color: var(--danger);
  font-size: 0.8rem;
}
[hidden] {
  display: none !important;
}
h2 {
  margin: 2rem 0 0.25rem;
  font-size: 1rem;
}
.value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem 0.5rem 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}
.value code {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  user-select: all;
}
.small {
  flex-shrink: 0;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}
.small:hover {
  background: var(--border);
}
.box {
  margin: 1rem 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.85rem;
}
.box p {
  margin: 0 0 0.5rem;
  color: var(--muted);
}
.box .small {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.5rem;
}
.warning {
  padding: 0.75rem;
  border-left: 3px solid var(--fg);
  font-size: 0.85rem;
}