.left-sidebar {
  position: sticky;
  top: 80px;
  width: 25%;
  height: calc(100vh - 80px);
  overflow-y: auto;
  padding-top: 0;
}

.left-sidebar::-webkit-scrollbar {
  width: 0;
}

.left-sidebar:hover::-webkit-scrollbar {
  width: 8px;
}

.left-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.left-sidebar:hover::-webkit-scrollbar-thumb {
  background-color: lightgray;
  border-radius: 10px;
}

.left-sidebar-title {
  font-size: 20px;
  font-weight: bold;
  color: black;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  width: fit-content;
}

.left-sidebar-title:focus {
  outline: none;
}

.left-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 7.5px 0 0 0;
  max-height: 5000px;
  overflow: hidden;
  opacity: 1;
  transition: max-height 0.28s ease, opacity 0.2s ease, margin-top 0.2s ease;
}

.left-sidebar.collapsed ul {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

.left-sidebar ul li a {
  text-decoration: none;
  color: black;
  font-size: 12px;
  font-family: 'Poppins', sans-serif;
}

.left-sidebar ul li a:hover {
  color: #007bff;
}

.sidebar-caret {
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  opacity: 0.9;
  display: inline-block;
  transition: transform 0.25s ease;
}

.left-sidebar.collapsed .sidebar-caret {
  transform: translateY(0) rotate(-45deg);
}