*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--color-ground);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--size-1);
  line-height: 1.5;
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-6);
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

h1 {
  margin: 0;
  font-size: var(--size-4);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-wrap: balance;
}

p {
  margin: 0;
  color: var(--color-ink-muted);
  text-wrap: pretty;
}

.action-btn {
  appearance: none;
  border: none;
  background-color: var(--color-accent);
  color: #ffffff;
  font-family: inherit;
  font-size: var(--size-1);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms ease;
}

.action-btn:hover {
  background-color: var(--color-accent-hover);
}

.action-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.status-region {
  min-height: 1.5rem;
  font-weight: 500;
  color: var(--color-ink);
}