.sb-nav{display:flex;flex-direction:column;gap:2px;padding:var(--space-2)}.sb-nav-item{display:flex;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-2);border:0;border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);font:inherit;text-align:left;cursor:pointer;transition:background var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out)}.sb-nav-item:hover{background:var(--bg-raised);color:var(--text-primary)}.sb-nav-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sb-nav-item.active{color:var(--text-primary);background:var(--accent-subtle);box-shadow:inset 3px 0 0 0 var(--accent)}.sb-nav-icon{flex:0 0 auto}.sb-nav-label{font-weight:500;line-height:1}.view-wrap{padding:var(--space-4)}.view-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.view-head-actions{display:inline-flex;align-items:center;gap:var(--space-2)}.view-toggle{display:inline-flex;gap:0;border:1px solid var(--border-strong);border-radius:var(--radius-full);background:var(--bg-canvas);overflow:hidden}.view-toggle-btn{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 var(--space-3);border:none;background:transparent;color:var(--text-secondary);font:600 13px var(--font-sans,inherit);cursor:pointer;transition:background var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out)}.view-toggle-btn+.view-toggle-btn{border-left:1px solid var(--border)}.view-toggle-btn:hover:not(.active){background:var(--bg-raised)}.view-toggle-btn.active{color:#fff;background:var(--accent)}.view-toggle-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.recents-view-wrap{width:100%}.recents-group{margin-bottom:var(--space-4)}.recents-group-head{margin:0 0 var(--space-2);font-size:13px;font-weight:600;color:var(--text-muted)}.recents-group-list{list-style:none;margin:0;padding:0}.recents-row{display:flex;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-2);border-radius:var(--radius-md);color:var(--text-primary);text-decoration:none;transition:background var(--motion-fast) var(--ease-out)}.recents-row:hover{background:var(--bg-raised)}.recents-row:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.recents-row-title{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recents-row-time{color:var(--text-muted);font-size:12px;flex:0 0 auto}.recents-row-skel{cursor:default}.recents-row-skel .recents-row-icon{border-radius:var(--radius-sm)}.recents-row-title-skel{flex:1 1 auto;height:12px;max-width:280px}.recents-row-time-skel{flex:0 0 auto;width:64px;height:12px}.view-empty{display:flex;flex-direction:column;align-items:center;gap:6px;padding:var(--space-6) var(--space-4);color:var(--text-muted);text-align:center}.view-empty-title{font-weight:600;color:var(--text-primary)}@media (prefers-reduced-motion:reduce){.recents-row,.sb-nav-item,.view-toggle-btn{transition:none}}@media (max-width:639px),(max-width:932px) and (max-height:480px){.sb-nav{padding:var(--space-2) var(--space-2) 0}.sb-nav-item{min-height:48px}}.recents-row-icon,.sb-nav-item svg{flex:0 0 auto;width:18px;height:18px}.view-toggle-btn svg{width:16px;height:16px;flex:0 0 auto}.recents-row svg{width:18px;height:18px;flex:0 0 auto}.view-empty svg{width:32px;height:32px;flex:0 0 auto}.fb-breadcrumb{display:flex;flex-wrap:wrap}.fb-breadcrumb,.fb-crumb-seg{align-items:center;gap:2px;min-width:0}.fb-crumb-seg{display:inline-flex;position:relative}.fb-crumb{border:none;background:none;padding:2px 6px;border-radius:var(--radius-md);font:inherit;font-weight:600;color:var(--text-muted);cursor:pointer;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out)}.fb-crumb:hover{color:var(--text-primary);background:var(--bg-raised)}.fb-crumb:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.fb-crumb-current{color:var(--text-primary);cursor:default}.fb-crumb-current:hover{background:none}.fb-breadcrumb svg,.fb-crumb-sep{width:14px;height:14px;flex:0 0 auto;color:var(--text-muted);fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.fb-folder-list{display:flex;flex-direction:column;gap:2px;margin-bottom:var(--space-3)}.fb-folder-row{display:flex;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-2);border:none;border-radius:var(--radius-md);background:none;color:var(--text-primary);font:inherit;text-align:left;cursor:pointer;width:100%;transition:background var(--motion-fast) var(--ease-out)}.fb-folder-row:hover{background:var(--bg-raised)}.fb-folder-row:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.fb-folder-row .row-title{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.fb-folder-row .row-meta{color:var(--text-muted);font-size:12px;flex:0 0 auto}.fb-folder-row svg{width:18px;height:18px;flex:0 0 auto;color:var(--accent)}.fb-folder-row svg,.fb-folder-row--renaming svg,.folder-menu-item svg,.move-picker-item svg,.recents-row svg,.sb-nav-item svg,.view-empty svg,.view-toggle-btn svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.fb-folder-row-wrap{position:relative;display:flex;align-items:center}.fb-folder-row-wrap .fb-folder-row{flex:1 1 auto}.fb-folder-actions{display:inline-flex;align-items:center;flex:0 0 auto}.fb-folder-kebab{opacity:0}.fb-folder-kebab:focus-visible,.fb-folder-kebab[aria-expanded=true],.fb-folder-row-wrap:focus-within .fb-folder-kebab,.fb-folder-row-wrap:hover .fb-folder-kebab{opacity:1}.fb-drop-target{outline:2px solid var(--accent);outline-offset:-2px;border-radius:var(--radius-md)}.fb-rename-input{flex:1 1 auto;min-width:0;width:100%;font:inherit;padding:2px 6px;border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary)}.fb-rename-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.fb-folder-row--renaming{display:flex;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-2);flex:1 1 auto}.fb-folder-row--renaming svg{width:18px;height:18px;flex:0 0 auto;color:var(--accent)}.fb-inline-error{color:var(--danger);font-size:12px;padding:2px 6px}.sb-nav-icon-wrap{position:relative;display:inline-flex}.nav-dot{position:absolute;top:-3px;right:-3px;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 1.5px var(--bg-surface)}