:root {
  color-scheme: light;
  --ink: #16325c;
  --muted: #5c6b80;
  --line: #d5deea;
  --paper: #f3f6fb;
  --card: #ffffff;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --press: #e7f0ff;
  --danger: #b91c1c;
  --danger-soft: #fef2f2;
}

* { box-sizing: border-box; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 1.125rem;
  color: var(--ink);
  background:
    linear-gradient(180deg, #e8eef8 0, transparent 22rem),
    var(--paper);
}

main {
  width: min(52rem, calc(100% - 2.5rem));
  margin: 2.5rem auto 3.5rem;
}

.cookie-block {
  width: min(32rem, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 18px 40px rgba(22, 50, 92, 0.06);
}

.cookie-block h1 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
  justify-content: flex-start;
}

.cookie-block p {
  margin: 0;
  line-height: 1.45;
}

.stage {
  display: grid;
  grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
  gap: 1.5rem 1.75rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.4rem 1.5rem 1.5rem;
  box-shadow: 0 18px 40px rgba(22, 50, 92, 0.06);
}

.identity a {
  display: block;
  width: min(16.5rem, 100%);
  margin-inline: auto;
  line-height: 0;
}

.identity img {
  display: block;
  width: 100%;
  height: auto;
}

.mac-form {
  margin: 0;
  min-width: 0;
}

.lede {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.about {
  margin-top: 0.9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.15rem 1.4rem 1.3rem;
  box-shadow: 0 18px 40px rgba(22, 50, 92, 0.06);
}

.about h2,
.about h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.about h3 {
  margin-top: 1rem;
}

.about p {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

.about p:last-child {
  margin-bottom: 0;
}

.mac-form input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #f7f9fc;
  color: var(--ink);
  font: inherit;
  font-family: ui-monospace, "Source Code Pro", monospace;
  font-size: 1rem;
}

.mac-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 95, 191, 0.18);
}

.mac-form input.is-busy,
.mac-form input[readonly] {
  opacity: 0.85;
  cursor: wait;
}

.hint {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.actions {
  display: flex;
  align-items: center;
  min-height: 65px;
  margin-top: 1rem;
}

.turnstile-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
  min-height: 65px;
  overflow: visible;
}

#actionButtons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

#actionButtons[hidden],
#turnstileGate[hidden],
.result-card[hidden] {
  display: none !important;
}

.turnstile-msg {
  margin: 0.35rem 0 0;
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 600;
}

.mac-form.is-busy .actions {
  pointer-events: none;
  user-select: none;
}

button {
  font: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.35rem;
  cursor: pointer;
}

button:disabled,
button.is-disabled,
button.is-loading {
  cursor: not-allowed;
  opacity: 0.45;
}

.primary,
.secondary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 6px 14px rgba(31, 95, 191, 0.28);
}

.primary:hover:not(:disabled),
.secondary:hover:not(:disabled) {
  background: #184f9e;
}

.error {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 0.65rem;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 0.95rem;
  font-weight: 600;
}

.error[hidden],
.results[hidden] {
  display: none;
}

.result-card {
  margin-top: 0.9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.15rem 1.4rem 1.25rem;
  box-shadow: 0 18px 40px rgba(22, 50, 92, 0.06);
}

.results {
  margin: 0;
}

.results-title {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.results-grid {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
}

.mac-item {
  display: grid;
  grid-template-columns: minmax(7.5rem, 10rem) minmax(0, 1fr);
  gap: 0.35rem 0.85rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.mac-item:last-child {
  border-bottom: 0;
}

.mac-item:nth-child(even) {
  background: #f4f7fb;
}

.mac-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mac-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
  font-family: ui-monospace, "Source Code Pro", monospace;
}

.mac-item--vendor .mac-value {
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}

@media (max-width: 760px) {
  .stage {
    grid-template-columns: 1fr;
  }

  .identity a {
    width: min(13rem, 78%);
  }

  .mac-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}