.onboarding-container {
  max-width: 750px;
  margin: 40px auto;
  padding: 30px;
  background: var(--bg-color);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.onboarding-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
}

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  margin: 10px auto;
  max-width: 750px;
  font-weight: 500;
}

.flash-alert {
  background: #ffe6e6;
  color: #d60000;
}

.flash-notice {
  background: #e6ffed;
  color: #008a2e;
}

.error-box {
  background: #ffe6e6;
  padding: 12px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: #d60000;
}

.form-section {
  margin-bottom: 40px;
}

.form-section h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  font-weight: 600;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}

.option-card {
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
}

.option-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.option-card input[type="radio"] {
  transform: scale(1.2);
  accent-color: var(--primary-color);
}

.btn-submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--primary-color);
  color: var(--accent-color);
  font-size: 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}