.culv-config {
  --culv-primary: #2563eb;
  --culv-primary-soft: #eaf1ff;
  --culv-surface: #ffffff;
  --culv-ink: #1f2937;
  --culv-muted: #667085;
}

.culv-config .culv-hero {
  background: linear-gradient(135deg, #1d4ed8, #0f766e);
  border-radius: 1rem;
  color: #fff;
  box-shadow: 0 10px 26px rgba(30, 64, 175, .2);
}

.culv-config .culv-icon-wrap {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: .875rem;
  background: rgba(255, 255, 255, .16);
}

.culv-config .culv-card {
  border: 0;
  border-radius: 1rem;
  box-shadow: 0 3px 14px rgba(16, 24, 40, .08);
}

.culv-config .culv-section-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--culv-ink);
}

.culv-config .culv-option {
  border: 1px solid #e5e7eb;
  border-radius: .75rem;
  padding: .875rem;
  height: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.culv-config .culv-option:hover {
  border-color: #93c5fd;
  box-shadow: 0 3px 10px rgba(37, 99, 235, .1);
}

.culv-config .culv-help {
  color: var(--culv-muted);
  font-size: .83rem;
}

.culv-config .culv-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .55rem;
  border-radius: 999px;
  background: var(--culv-primary-soft);
  color: #1d4ed8;
  font-size: .78rem;
  font-weight: 600;
}

@media (max-width: 575.98px) {
  .culv-config .culv-hero {
    border-radius: .75rem;
  }
  .culv-config .culv-option {
    padding: .75rem;
  }
}