@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.3s ease-in-out;
}

.opacity-0 {
  opacity: 0;
}

/* Category Buttons */
.cat-btn {
  border: 1.5px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 0.75rem;
  font-size: 0.9rem;
  background-color: #f9fafb;
  color: #374151;
  transition: all 0.2s ease-in-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.cat-btn:hover {
  background-color: #f3f4f6;
  border-color: #d1d5db;
}

.cat-selected.expense {
  border-color: #f97316;
  background-color: #fff7ed;
  color: #c2410c;
}

.cat-selected.income {
  border-color: #2563eb;
  background-color: #eff6ff;
  color: #1e40af;
}

.cat-selected {
  font-weight: 600;
  transform: scale(1.03);
}

.tab-btn {
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  opacity: 0.9;
}

#installBtn {
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

#installBtn:hover {
  transform: scale(1.03);
}