/*
 * ===================================
 * UTKMultiColumnTreeView.uss
 * Unity MultiColumnTreeView 래핑 스타일
 * ===================================
 */

/* ===================================
   Base Container
   =================================== */

.utk-multicolumn-treeview {
    flex-grow: 1;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-s);
    border-width: var(--border-width);
    border-color: var(--color-border);
}

/* ===================================
   Header
   =================================== */

.utk-multicolumn-treeview .unity-multi-column-header {
    background-color: var(--color-bg-elevated);
    border-bottom-width: 1px;
    border-bottom-color: var(--color-border);
}

.utk-multicolumn-treeview .unity-multi-column-header__column {
    padding: var(--space-s) var(--space-m);
    background-color: transparent;
    border-right-width: 1px;
    border-right-color: var(--color-border-light);
}

/* Unity USS does not support :last-child pseudo-class */
/* .utk-multicolumn-treeview .unity-multi-column-header__column:last-child {
    border-right-width: 0;
} */

.utk-multicolumn-treeview .unity-multi-column-header__column:hover {
    background-color: var(--color-btn-hover);
}

.utk-multicolumn-treeview .unity-multi-column-header__column-title {
    font-size: var(--font-size-body2);
    -unity-font-style: bold;
    color: var(--color-text-primary) ;
}

.utk-multicolumn-treeview .unity-multi-column-header__column .unity-text-element {
    color: var(--color-text-primary) ;
}

/* ===================================
   Column Resize Handle
   =================================== */

.utk-multicolumn-treeview .unity-multi-column-header__column-resize-handle {
    width: 4px;
    background-color: transparent;
}

.utk-multicolumn-treeview .unity-multi-column-header__column-resize-handle:hover {
    background-color: var(--color-btn-primary);
}

/* ===================================
   Tree Items
   =================================== */

.utk-multicolumn-treeview .unity-tree-view__item {
    padding: 0;
    background-color: transparent;
    border-bottom-width: 1px;
    border-bottom-color: var(--color-border-light);
    transition-duration: var(--anim-fast);
    transition-property: background-color;
}

.utk-multicolumn-treeview .unity-tree-view__item:hover {
    background-color: var(--color-btn-hover);
}

.utk-multicolumn-treeview .unity-tree-view__item--selected {
    background-color: var(--color-btn-primary);
}

.utk-multicolumn-treeview .unity-tree-view__item--selected:hover {
    background-color: var(--color-btn-primary-hover);
}

/* ===================================
   Toggle (Expand/Collapse)
   =================================== */

.utk-multicolumn-treeview .unity-tree-view__item-toggle {
    width: 16px;
    height: 16px;
    margin-right: var(--space-xs);
    -unity-background-image-tint-color: var(--color-text-secondary) ;
    transition-duration: var(--anim-fast);
    transition-property: rotate;
}

.utk-multicolumn-treeview .unity-tree-view__item--selected .unity-tree-view__item-toggle {
    -unity-background-image-tint-color: var(--color-text-on-primary) ;
}

/* ===================================
   Indentation
   =================================== */

.utk-multicolumn-treeview .unity-tree-view__item-indents-container {
    flex-direction: row;
}

.utk-multicolumn-treeview .unity-tree-view__item-indent {
    width: 16px;
}

/* ===================================
   Cell Content
   =================================== */

.utk-multicolumn-treeview .unity-multi-column-view__cell {
    padding: 0 var(--space-m);
    border-right-width: 1px;
    border-right-color: var(--color-border-light);
    align-self: center;
}

/* Unity USS does not support :last-child pseudo-class */
/* .utk-multicolumn-treeview .unity-multi-column-view__cell:last-child {
    border-right-width: 0;
} */

.utk-multicolumn-treeview .unity-multi-column-view__cell > .unity-label {
    font-size: var(--font-size-body2);
    color: var(--color-text-primary);
}

.utk-multicolumn-treeview .unity-tree-view__item--selected .unity-multi-column-view__cell > .unity-label {
    color: var(--color-text-on-primary);
}

/* ===================================
   Sort Indicator
   =================================== */

.utk-multicolumn-treeview .unity-multi-column-header__column-sort-indicator {
    -unity-background-image-tint-color: var(--color-text-secondary);
}