.ws-file-tree-shell{background:var(--wf-surface-card-secondary);border:1px solid var(--wf-border-primary);border-radius:var(--wf-radius-card);max-height:calc(var(--spacing-32) * 4);overflow:auto;padding:var(--spacing-2)}.ws-file-tree-list,.ws-file-tree-shell{display:flex;flex-direction:column;gap:var(--spacing-1);min-width:0}.ws-file-tree-list{list-style:none;margin:0;padding:0}.ws-file-tree-item{min-width:0}.ws-file-tree-row{align-items:center;border:1px solid transparent;border-radius:var(--wf-radius-button);color:var(--wf-text-secondary);display:grid;gap:var(--spacing-1);grid-template-columns:auto auto minmax(0,1fr) auto;min-height:var(--spacing-8);min-width:0;padding:var(--spacing-1) var(--spacing-2)}.ws-file-tree-row:hover{background:var(--wf-bg-hover);color:var(--wf-text-primary)}.ws-file-tree-row-selected{background:hsl(var(--wf-accent-primary-hsl)/12%);border-color:hsl(var(--wf-accent-primary-hsl)/26%);color:var(--wf-text-primary)}.ws-file-tree-row-root{font-weight:var(--font-weight-semibold)}.ws-file-tree-label,.ws-file-tree-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;color:inherit;font:inherit;min-width:0;padding:0}.ws-file-tree-toggle{align-items:center;border-radius:var(--wf-radius-button);display:inline-flex;height:var(--spacing-5);justify-content:center;width:var(--spacing-5)}.ws-file-tree-toggle:hover{background:var(--wf-bg-tertiary)}.ws-file-tree-toggle:disabled{cursor:wait;opacity:.65}.ws-file-tree-toggle-placeholder{height:var(--spacing-5);width:var(--spacing-5)}.ws-file-tree-check,.ws-file-tree-chevron,.ws-file-tree-icon{flex-shrink:0;height:var(--ws-icon-size-sm);width:var(--ws-icon-size-sm)}.ws-file-tree-chevron{transition:transform var(--transition-fast)}.ws-file-tree-chevron-open{transform:rotate(90deg)}.ws-file-tree-label{cursor:pointer;overflow:hidden;text-align:left;text-overflow:ellipsis;white-space:nowrap}.ws-file-tree-label:focus-visible,.ws-file-tree-toggle:focus-visible{outline:calc(var(--spacing-px) * 2) solid hsl(var(--wf-accent-primary-hsl)/55%);outline-offset:calc(var(--spacing-px) * 2)}.ws-file-tree-check{color:var(--wf-accent-primary)}.ws-file-tree-children{border-left:1px solid var(--wf-border-primary);margin-left:var(--spacing-4);padding-left:var(--spacing-2)}