:root {
  --bna-green: #22c55e;
  --bna-yellow: #f59e0b;
  --bna-red: #ef4444;
  --bna-bg: #f8fafc;
  --bna-text: #0f172a;
}

body.bna-body {
  background: var(--bna-bg);
  color: var(--bna-text);
}

.bna-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1rem;
}

.wizard-shell {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-screen,
.result-screen {
  width: 100%;
}

.wizard-header {
  margin-bottom: 1.5rem;
}

.wizard-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.wizard-subtitle {
  color: #64748b;
  font-size: 0.95rem;
}

.flag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.flag-green {
  background: rgba(34, 197, 94, 0.15);
  color: var(--bna-green);
}

.flag-yellow {
  background: rgba(245, 158, 11, 0.15);
  color: var(--bna-yellow);
}

.flag-red {
  background: rgba(239, 68, 68, 0.15);
  color: var(--bna-red);
}

.option-btn {
  text-align: left;
}

.ratio-box {
  background: #f1f5f9;
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1rem;
}

.ratio-label {
  font-size: 0.9rem;
  color: #64748b;
}

.ratio-value {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.stop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stop-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.advice-item {
  margin-top: 0.5rem;
}

.plan-steps,
.plan-box {
  background: #f8fafc;
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid #e2e8f0;
}

.plan-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.plan-step {
  margin-top: 0.35rem;
  color: #1f2937;
}

.flag-summary {
  display: grid;
  gap: 0.5rem;
}

@media (min-width: 576px) {
  .flag-summary {
    grid-template-columns: repeat(2, 1fr);
  }
}