*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-ground);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-6);
  -webkit-font-smoothing: antialiased;
}

main {
  width: 100%;
  max-width: 480px;
  background-color: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

h1 {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-wrap: balance;
}

p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.5;
  text-wrap: pretty;
}

.action-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.smoke-button {
  appearance: none;
  border: none;
  background-color: var(--color-accent);
  color: #0b1e10;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: opacity 0.15s ease-out;
}

.smoke-button:hover {
  opacity: 0.9;
}

.smoke-button:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.status-output {
  min-height: 24px;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.status-output[data-active="true"] {
  color: var(--color-accent);
}