.thumbnail-card {
  cursor: pointer;
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  border: 3px solid transparent;
  border-radius: 0.375rem; /* Matches Bootstrap's .rounded */
  background-color: #343a40;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.thumbnail-card:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.thumbnail-card.active {
  border-color: #0d6efd; /* Bootstrap primary color */
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.4);
}

.thumbnail-card img {
  border-bottom: 1px solid #495057;
}

.thumbnail-card .card-body {
  padding: 0.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.thumbnail-title {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  text-align: center;
  flex-grow: 1; /* Pushes button to the bottom */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.download-btn {
  margin-top: auto; /* Aligns button to the bottom */
}