body {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: #f9fafb;
  margin: 0;
  padding: 20px;
  color: #1f2937;
}

.container {
  max-width: 580px;
  margin: auto;
}

.header {
  text-align: center;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 26px;
  font-weight: 700;
  color: #1d4ed8;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.5;
}

.card {
  background: #ffffff;
  padding: 26px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  margin-bottom: 18px;
}

.btn {
  width: 100%;
  padding: 15px;
  margin-top: 12px;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.primary {
  background: #1d4ed8;
  color: white;
}

.secondary {
  background: white;
  border: 2px solid #e5e7eb;
}

.back {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  color: #374151;
  background: #f3f4f6;
  border: none;
  border-radius: 12px;
}

.progress-wrapper {
  margin-bottom: 18px;
}

.progress-bar {
  height: 8px;
  background: #e5e7eb;
  border-radius: 999px;
}

.progress-fill {
  height: 8px;
  background: linear-gradient(90deg, #1d4ed8, #2563eb);
}

.icon {
  font-size: 40px;
  margin-bottom: 12px;
  text-align: center;
}

.alert {
  background: #fef2f2;
  border-left: 4px solid #dc2626;
  padding: 12px;
  border-radius: 10px;
  margin-top: 12px;
}

.reassurance {
  font-size: 14px;
  color: #6b7280;
  margin-top: 8px;
}