/* Custom styles for SmartCalc Hub */
body {
  transition: background 0.3s, color 0.3s;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
}
.tab-content {
  animation: fadeIn 0.2s;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.card {
  border-radius: 1rem;
  box-shadow: 0 2px 16px 0 rgba(0,0,0,0.08);
  transition: box-shadow 0.2s, border 0.2s;
  border: 1px solid var(--primary, #2563eb);
}
.card:hover {
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.12);
  border-color: var(--primary, #2563eb);
}
.btn {
  background: var(--primary, #2563eb);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.btn:hover {
  background: #1d4ed8;
  color: #fff;
}
.text-primary {
  color: var(--primary, #2563eb) !important;
}
.bg-primary {
  background: var(--primary, #2563eb) !important;
  color: #fff !important;
}
input[type="color"] {
  border: none;
  outline: none;
  cursor: pointer;
}