/* TreeSelect Custom Dropdown Styles */
.tree-select-container {
    position: relative;
    width: 100%;
}

.tree-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem 0.75rem;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    user-select: none;
    box-sizing: border-box;
}

.tree-select-trigger:focus,
.tree-select-container.open .tree-select-trigger {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
    outline: none;
}

.tree-select-placeholder {
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 24px);
}

.tree-select-trigger i {
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.tree-select-container.open .tree-select-trigger i {
    transform: rotate(180deg);
}

.tree-select-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    width: 100%;
    max-height: 320px;
    background: rgba(20, 28, 33, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(15px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideDownFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tree-select-search-wrapper {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

.tree-select-search {
    width: 100%;
    height: 32px !important;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.85rem !important;
}

.tree-select-options-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    max-height: 260px;
}

/* Tree Nodes styling */
.tree-select-node {
    display: flex;
    flex-direction: column;
    margin-top: 2px;
}

.tree-select-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.tree-select-row:hover {
    background-color: var(--bg-hover);
}

.tree-select-row.selected {
    background-color: var(--primary) !important;
    color: #fff !important;
}

.tree-select-row.selected .tree-select-arrow,
.tree-select-row.selected .tree-select-icon,
.tree-select-row.selected .tree-select-label {
    color: #fff !important;
}

.tree-select-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    transition: transform 0.2s, color 0.2s;
    border-radius: 4px;
}

.tree-select-arrow:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.tree-select-row.selected .tree-select-arrow:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.tree-select-arrow.collapsed i {
    transform: rotate(-90deg);
}

.tree-select-arrow i {
    font-size: 1.1rem;
    transition: transform 0.2s;
}

.tree-select-icon {
    font-size: 1rem;
    color: var(--text-secondary);
}

.tree-select-row:hover .tree-select-icon {
    color: var(--primary);
}

.tree-select-label {
    font-size: 0.9rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-select-children {
    border-left: 1px dashed rgba(255, 255, 255, 0.08);
    margin-left: 19px;
    padding-left: 10px;
    transition: max-height 0.25s ease-out, opacity 0.25s ease-out;
}

.tree-select-children.collapsed {
    display: none;
}

/* Scrollbar styling for dropdown list */
.tree-select-options-list::-webkit-scrollbar {
    width: 6px;
}
.tree-select-options-list::-webkit-scrollbar-track {
    background: transparent;
}
.tree-select-options-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
.tree-select-options-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}