body {
  background-color: #f4f6f9;
}

.card {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.form-label {
  font-weight: 500;
}

#results .list-group-item {
  display: flex;
  justify-content: space-between;
}

#results .list-group-item .label {
  color: #6c757d;
}

#results .list-group-item .value {
  font-weight: 600;
}

.winner {
  border: 3px solid #198754 !important;
}

.winner .card-header {
  position: relative;
}

.winner .card-header::after {
  content: " ✓ Mais econômico";
  font-size: 0.8rem;
  margin-left: 0.5rem;
}

.table th,
.table td {
  white-space: nowrap;
}

.verdict-highlight {
  font-size: 1.1rem;
  font-weight: 600;
}

@media (max-width: 767px) {
  .card-header {
    font-size: 0.95rem;
  }
}