body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f7f7f7;
}

.ticket-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  max-height: 540px;
  overflow: auto;
  padding: 0.5rem;
  background-color: #fff;
  border-radius: 0.75rem;
  border: 1px solid #e5e5e5;
}

.ticket-item {
  position: relative;
  width: 52px;
  height: 40px;
  border-radius: 0.5rem;
  border: 1px solid #ced4da;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.ticket-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ticket-item.available {
  background-color: #ffffff;
}

.ticket-item.available:hover {
  border-color: #0d6efd;
  box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.15);
}

.ticket-item.available input[type="checkbox"]:checked + span,
.ticket-item.available input[type="checkbox"]:checked ~ span {
  background-color: #0d6efd;
  color: #ffffff;
  border-radius: 0.5rem;
  padding: 0.1rem 0.35rem;
}

.ticket-item.sold {
  background-color: #f8d7da;
  border-color: #f5c2c7;
  color: #842029;
  cursor: not-allowed;
}

.ticket-item span {
  display: inline-block;
  min-width: 24px;
  text-align: center;
}

.card-img-top {
  object-fit: cover;
  max-height: 220px;
}