:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: Canvas;
  color: CanvasText;
}

.container {
  max-width: 920px;
  margin: 48px auto;
  padding: 0 16px;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0;
}

.nav a {
  color: inherit;
  text-decoration: none;
  opacity: 0.9;
}

.nav a:hover {
  text-decoration: underline;
}

.card {
  margin-top: 18px;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  border-radius: 14px;
  padding: 18px;
}

h2 {
  margin: 0 0 8px 0;
  font-size: 18px;
}

label {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  opacity: 0.95;
}

.input {
  width: 100%;
  padding: 10px 12px;
  margin-top: 8px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  background: color-mix(in srgb, Canvas 92%, currentColor 8%);
  color: inherit;
}

.input:focus {
  outline: 2px solid color-mix(in srgb, currentColor 35%, transparent);
  outline-offset: 2px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.row > * {
  flex: 1;
}

.row .btn {
  flex: 0 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  background: color-mix(in srgb, Canvas 85%, currentColor 15%);
  color: inherit;
  cursor: pointer;
}

.btn:hover {
  background: color-mix(in srgb, Canvas 80%, currentColor 20%);
}

.btn:active {
  transform: translateY(1px);
}

.muted {
  opacity: 0.75;
}

.msg {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
}

.section {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
}

.kv {
  font-variant-numeric: tabular-nums;
}

.totp {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.totp-code {
  font-size: 42px;
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
}

.circle {
  width: 96px;
  height: 96px;
}

.small {
  font-size: 13px;
}