/* B"H - WORKSPACE TREE */
.workspace-header { 
    display: flex; align-items: center; justify-content: space-between; 
    padding: 12px; font-weight: 700; cursor: pointer; user-select: none; 
    border-radius: var(--radius-sm); transition: all var(--timing-fast);
    position: relative; overflow: hidden;
    letter-spacing: 1px;
    background-color: #252a4a;
    border: 1px solid rgba(0, 246, 255, 0.4);
    margin-bottom: 8px; 
    color: var(--color-text-secondary);
}
.workspace-header:hover { 
    background-color: var(--color-border); 
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
}
.workspace-header-title { flex-grow: 1; padding: 5px; border-radius: 4px; }
.workspace-header-title:hover { background-color: var(--color-bg-hover); }

.tree-item { display: flex; flex-direction: column; align-items: stretch; position: relative; user-select: none; }
.tree-item-name-wrap {
    display: flex; align-items: center; flex-grow: 1;
    min-height: 40px; cursor: pointer; padding: 6px 8px;
    border-radius: var(--radius-sm); transition: background-color var(--timing-fast);
}
.tree-item > .tree-item-name-wrap:hover { background-color: var(--color-bg-tertiary); }
.tree-item > .tree-item-name-wrap:hover .tree-item-name { color: var(--neon-lime); transform: scale(1.02); }
.tree-item.context-active > .tree-item-name-wrap .tree-item-name { color: var(--neon-magenta); }
.tree-item.selected > .tree-item-name-wrap { background-color: var(--color-bg-accent-translucent); border-radius: 4px; }
.tree-item-arrow { 
    width: 20px; text-align: center; display: inline-block; 
    transition: transform var(--timing-fast) ease; user-select: none; 
    color: var(--color-text-tertiary); font-size: 1.2em;
}
.tree-item.expanded > .tree-item-name-wrap > .tree-item-arrow { transform: rotate(90deg); }
.tree-item-name { 
    margin-left: 4px; white-space: nowrap; font-size: 0.95em;
    font-weight: 600; color: var(--color-text-primary); transition: all var(--timing-fast) ease;
}
.tree-item > ul {
    margin: 4px 0 4px 20px; padding-left: 15px;
    border-left: 1px solid var(--color-border); list-style: none; min-width: max-content;
}
.tree-item > ul:hover { border-left-color: var(--neon-cyan); }
.drag-over-target {
    background-color: rgba(0, 246, 255, 0.15) !important;
    box-shadow: inset 0 0 0 1px var(--neon-cyan);
    border-radius: var(--radius-sm);
}
.drag-over-target > .workspace-header,
.drag-over-target > .tree-item-name-wrap { background-color: transparent !important; }

/* Reveal Flash Effect */
.reveal-flash > .tree-item-name-wrap {
    animation: reveal-glow 2s ease-out;
}
@keyframes reveal-glow {
    0% { background-color: var(--neon-cyan); box-shadow: 0 0 30px var(--glow-cyan); }
    100% { background-color: transparent; box-shadow: none; }
}