* {
  box-sizing: border-box;
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  font-family: system-ui, -apple-system, sans-serif;
  background: #111827;
  color: #f9fafb;
}

main {
  text-align: center;
  max-width: 20rem;
  padding: 0 1rem;
}

.label {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.status {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: #9ca3af;
  line-height: 1.4;
}

.btn {
  margin-top: 1.25rem;
  padding: 0.625rem 1rem;
  border: none;
  border-radius: 0.5rem;
  background: #3b82f6;
  color: #fff;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.btn:active {
  background: #2563eb;
}

.btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.hidden {
  display: none;
}