.ps-0 {
  padding-left: 0 !important;
}

.ps-2 {
  padding-left: 20px !important;
}

.ps-4 {
  padding-left: 40px !important;
}

.ps-6 {
  padding-left: 60px !important;
}

.ps-8 {
  padding-left: 70px !important;
}

h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.tree {
  /* padding-left: 1rem; */
  position: relative;
}

.tree-dashed {
    border-left: 2px dashed #0d6efd33;
}

.tree.danger {
  border-left-color: #dc3545;
}

.tree-item {
  display: flex;
  align-items: center;
  margin: 0.5rem 0;
  position: relative;
  opacity: 0;
  animation: fadeInMove 0.5s forwards;
}

.tree-item:nth-child(n) {
  animation-delay: calc(0.1s * var(--i));
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.6rem;
  flex-shrink: 0;
}

.dot.parent {
  background-color: #337ab7;
}

.dot.child {
  border: 2px solid #337ab7;
  background-color: #337ab7;
}

.tree.danger .dot.parent {
  background-color: #dc3545;
}

.tree.danger .dot.child {
  border-color: #dc3545;
}

.tree-label {
  font-size: 0.95rem;
}

.section-card {
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 5px 2px 7px 5px rgba(0, 0, 0, 0.05);
  height: 100%;
}

.lang-label {
  background-color: #e9ecef;
  color: #495057;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 0.3rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.highlight-pair {
  background-color: #e3f2fd !important;
  transition: background-color 0.2s ease;
}

@keyframes fadeInMove {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.sessions-header {
  margin-bottom: 20px;
  display: flex;
  font-size: 16px;
  align-items: center;
  justify-content: space-between;
}

.btn-link-danger {
  color: #d9534f !important;
}

.btn-link-danger:hover,
.btn-link-danger:focus {
  color: #b52b27 !important;
  text-decoration: underline;
}

.btn-link {
  margin-top: 5px;
  padding: 0 !important;
}
.session-abstracts{
  margin-top: 30px;
  margin-left: 0!important;
  padding-left: 0!important;
  list-style-type: none;
}
.upload-row {
  border: 1px solid #e2e2e2;
  padding: 15px;
  border-radius: 5px;
  background-color: #fdfdfd;
}