.v-application .black {
  background-color: #343a40 !important;
  border-color: #4b545c !important
}


.v-navigation-drawer__content {
    background: linear-gradient(176deg, #343a40 42%, #565e66 133%) !important;
}
.v-list.py-2.v-sheet.theme--dark.v-list--dense.primary {
    background-color: #343a40    !important;
}


.v-list.custom-tree > :not(ul) {
  display: none !important;
}


.linkMenu {
    color: #fff !important;
}
/* --- базовый контейнер --- */
.v-list.custom-tree {
  padding: 10px 8px !important;
  font-size: 14px;
  color: #e0e0e0;
}

/* --- структура --- */
.custom-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 1px;
}

.custom-tree li {
  margin: 0;
  padding: 0;
}

/* --- строка --- */
.tree-row {
  display: flex;
  align-items: center;
  padding: 4px 6px;
  border-radius: 4px;
  transition: background 0.2s ease;
}

.tree-row:hover {
  background: rgba(255,255,255,0.06);
}

.tree-row.active {
  background: rgba(79,195,247,0.18);
  font-weight: 600;
}

/* --- стрелка --- */
.toggle {
  width: 16px;
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 4px;
  transition: transform 0.2s ease;
}

.toggle i {
  font-size: 16px;
}

.folder.open > .tree-row .toggle {
  transform: rotate(90deg);
}

/* --- иконки --- */
.icon {
  font-size: 16px;
  margin-right: 6px;
  opacity: 0.9;
}

/* --- ссылки --- */
.tree-row a {
  text-decoration: none;
  color: inherit;
  flex: 1;
}

.tree-row a:hover {
  color: #4fc3f7;
}

/* --- раскрытие --- */
.children {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
  margin-left: 15px;
}

.folder.open > .children {
  max-height: 2000px;
}