.dashboard-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 30px;
}

.card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.card-header {
  font-size: 16px;
  font-weight: 600;
  color: #666;
  margin-bottom: 10px;
}

.card-value {
  font-size: 32px;
  font-weight: bold;
  color: #222;
}

.card-footer {
  font-size: 13px;
  margin-top: 12px;
  color: #888;
}

/* Diferenciar con colores suaves */
.card.clientes .card-value { color: #2e7d32; }
.card.cajas .card-value { color: #1565c0; }
.card.ingresos .card-value { color: #ef6c00; }
.card.prestamos .card-value { color: #6a1b9a; }
.card.deudas .card-value { color: #c62828; }