* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: #f5f6f8;
  color: #1a1a1a;
}
.disclaimer-banner {
  background: #fff3cd;
  color: #664d03;
  padding: 12px 20px;
  text-align: center;
  font-size: 0.9rem;
  border-bottom: 2px solid #ffe69c;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}
h1 { font-size: 1.6rem; margin-bottom: 4px; }
.subtitle { color: #555; margin-top: 0; }
.card {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.card h2 { margin-top: 0; font-size: 1.1rem; }
.btn {
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: #1f3864; color: #fff; border-color: #1f3864; }
.btn-large { width: 100%; padding: 14px; font-size: 1.05rem; margin-top: 8px; }
.record-controls { display: flex; align-items: center; gap: 12px; }
#record-timer { color: #555; font-variant-numeric: tabular-nums; }
.hint { color: #666; font-size: 0.85rem; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.grid label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: #333;
  gap: 4px;
}
.grid input, .grid select {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 0.95rem;
}
.consent-card { background: #f0f4fa; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; }
.result-card { border: 2px solid #1f3864; }
.result-badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: bold;
  margin: 8px 0;
}
.badge-negative { background: #d4edda; color: #155724; }
.badge-positive { background: #f8d7da; color: #721c24; }
.error-card { background: #f8d7da; color: #721c24; }
audio { width: 100%; margin-top: 10px; }
footer {
  text-align: center;
  color: #888;
  font-size: 0.8rem;
  padding: 20px;
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
}