body { 
  font-family: 'Poppins', sans-serif; 
  background-color: #f3f4f6; 
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn-azul {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  color: #ffffff;
  transition: all 0.2s ease;
}

.btn-azul:active { 
  transform: scale(0.98); 
}

.card-app {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  padding: 16px;
}

.aba-ativa { 
  color: #ea580c; 
  font-weight: 700; 
}

.aba-ativa i {
  transform: translateY(-2px);
  transition: transform 0.2s;
}

.modo-ativo { 
  background: #111827; 
  color: #ffffff; 
}

@keyframes pulsoAlerta {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.02); opacity: 0.95; }
}

.animacao-alerta { 
  animation: pulsoAlerta 1.8s infinite ease-in-out; 
}