body {
  background-color: #f4f6f9;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 10px;
}
#logs {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  height: 250px;
  overflow-y: auto;
}
#logs div {
  border-bottom: 1px solid #333;
  padding: 4px 0;
}
#logs div:last-child {
  border-bottom: none;
}
.list-group-item {
  border-radius: 6px !important;
  margin-bottom: 6px;
  border: 1px solid #e9ecef;
}