body {
  background: #f7f9fc;
  font-family: 'Segoe UI', sans-serif;
  color: #333;
}

.container {
  padding-bottom: 160px !important;
}

.combo-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #fff;
  padding: 12px 16px;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.btn-mercado-pago {
  font-size: 1.2rem;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #ffc107, #ffca2c);
  color: #000;
  box-shadow: 0 6px 20px rgba(255, 193, 7, 0.3);
  transition: all 0.2s ease;
  border: none;
  width: 100%;
  text-align: center;
}

.btn-mercado-pago:hover {
  background: linear-gradient(135deg, #ffca2c, #009ee3);
  color: white;
}

.btn-mercado-pago:active {
  transform: scale(0.97);
  background: #009ee3;
  color: white;
}

.btn-mercado-pago .total-valor {
  font-weight: bold;
  font-size: 1.3rem;
  color: inherit;
  margin-top: 6px;
}

.btn-mercado-pago small {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 4px;
}

button[disabled],
button.disabled {
  background-color: #94d3a2 !important;
  border-color: #94d3a2 !important;
  color: #ffffff !important;
  opacity: 1 !important;
  pointer-events: none;
  cursor: not-allowed;
  box-shadow: none !important;
}

.item-atualizado {
  animation: pulseVerde 0.8s ease;
  background-color: #d4edda !important;
  border: 1px solid #28a745 !important;
}

@keyframes pulseVerde {
  0% { background-color: #d4edda; }
  50% { background-color: #c3e6cb; }
  100% { background-color: #d4edda; }
}

/* Estilo dos títulos dos grupos opcionais */
.card-header.titulo-opcional {
  background-color: #fff200;
  color: #000;
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 1px solid #f7e600;
  border-radius: 12px 12px 0 0;
}

/* Quantidade */
.input-qtd {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-qtd input[type="number"] {
  max-width: 60px;
  text-align: center;
  font-weight: bold;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 4px;
}

.input-qtd button {
  border: none;
  background: #eee;
  font-size: 1.2rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  line-height: 1;
  padding: 0;
  font-weight: bold;
  color: #444;
}