:root {
  --ink: #14213d;
  --ink-soft: #3d4a66;
  --muted: #6b7280;
  --accent: #fca311;
  --accent-ink: #4a2f00;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --line: #dde2ea;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --warn: #a15c00;
  --warn-bg: #fff4e0;
  --danger: #b91c1c;
  --danger-bg: #fdeaea;
  --info-bg: #e9f0fb;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7ebf3;
    --ink-soft: #c3cad8;
    --muted: #98a2b3;
    --bg: #10141c;
    --surface: #181e2a;
    --line: #2a3243;
    --ok: #4ade80;
    --ok-bg: #12301f;
    --warn: #fbbf24;
    --warn-bg: #33270d;
    --danger: #f87171;
    --danger-bg: #3a1616;
    --info-bg: #172238;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
  color: inherit;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
}
h2 {
  font-size: 1.1rem;
  margin: 1.2rem 0 0.5rem;
}
.card > h2:first-child {
  margin-top: 0;
}
h3 {
  font-size: 0.95rem;
  margin: 1rem 0 0.4rem;
  color: var(--ink-soft);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 16px;
  background: #14213d;
  color: #fff;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  color: #fff;
}
.nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.nav a,
.nav .link {
  color: #fff;
  text-decoration: none;
  opacity: 0.9;
}
.nav a:hover,
.nav .link:hover {
  opacity: 1;
  text-decoration: underline;
}

.content {
  width: 100%;
  max-width: 760px;
  margin: 1.5rem auto;
  padding: 0 16px;
  flex: 1;
}
.content.wide {
  max-width: 980px;
}

.footer {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card.narrow {
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.grid .card {
  margin: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.85rem;
  min-width: 0;
}
.field-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.field-label {
  font-weight: 600;
  font-size: 0.9rem;
}
.field-hint {
  color: var(--muted);
  font-size: 0.8rem;
}
input,
select {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  width: 100%;
}
input:focus,
select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn.danger {
  color: var(--danger);
}
.btn.small {
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
}
.link {
  background: none;
  border: 0;
  font: inherit;
  cursor: pointer;
  padding: 0;
}
.actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.6rem 0;
}

.banner {
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  margin: 0.75rem 0;
  font-size: 0.92rem;
}
.banner.info {
  background: var(--info-bg);
}
.banner.ok {
  background: var(--ok-bg);
  color: var(--ok);
}
.banner.warn {
  background: var(--warn-bg);
  color: var(--warn);
}
.banner.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}
.pill.ok {
  background: var(--ok-bg);
  color: var(--ok);
}
.pill.warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.age.ok {
  color: var(--ok);
}
.age.amber {
  color: var(--warn);
  font-weight: 700;
}
.age.red {
  color: var(--danger);
  font-weight: 700;
}
.warn-text {
  color: var(--warn);
}

.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.break {
  word-break: break-all;
}

.totp {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.totp img {
  background: #fff;
  border-radius: 8px;
  image-rendering: pixelated;
}
.totp > div {
  flex: 1;
  min-width: 200px;
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.6rem;
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
  user-select: all;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
}
.steps li {
  padding: 0.3rem 0;
  border-top: 1px solid var(--line);
}
.steps li.ok span {
  color: var(--ok);
}
.steps li.bad span {
  color: var(--danger);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.table th,
.table td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
@media (max-width: 640px) {
  .table thead {
    display: none;
  }
  .table tr {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--line);
  }
  .table td {
    display: inline-block;
    border: 0;
    padding: 0.15rem 0.5rem 0.15rem 0;
  }
}

.turnstile {
  margin: 0.5rem 0 0.9rem;
  min-height: 65px;
}