.ui-sidebar{background:var(--lemn-color-surface);border-right:1px solid var(--lemn-color-border);height:100%;transition:width var(--lemn-duration-slow) var(--lemn-easing-emphasized);flex-direction:column;display:flex;overflow:hidden}.ui-sidebar[data-mode=rail]{width:64px}.ui-sidebar[data-mode=expanded]{width:264px}.ui-sidebar[data-mode=hidden]{border-right:0;width:0}.ui-sidebar__top{gap:var(--lemn-space-3);padding:var(--lemn-space-3);flex-direction:column;display:flex}.ui-sidebar__search{display:flex}.ui-sidebar__search .ui-search-command{width:100%}.ui-sidebar__drill{gap:var(--lemn-space-1);flex-direction:column;display:flex}.ui-sidebar__back{align-items:center;gap:var(--lemn-space-2);color:var(--lemn-color-text-muted);font:inherit;font-size:var(--lemn-font-size-small);font-weight:var(--lemn-font-weight-medium);cursor:pointer;background:0 0;border:0;padding:0;display:inline-flex}.ui-sidebar__back:hover{color:var(--lemn-color-text)}.ui-sidebar__title{color:var(--lemn-color-text);font-size:var(--lemn-font-size-title);font-weight:var(--lemn-font-weight-semibold)}.ui-sidebar__hint{color:var(--lemn-color-text-muted);font-size:var(--lemn-font-size-caption)}.ui-sidebar__nav{gap:var(--lemn-space-2);min-height:0;padding:var(--lemn-space-2);flex-direction:column;flex:1;display:flex;overflow-y:auto}.ui-sidebar__group{flex-direction:column;gap:2px;display:flex}.ui-sidebar__group-header{padding:6px var(--lemn-space-3);color:var(--lemn-color-disabled-text);font-size:var(--lemn-font-size-caption);font-weight:var(--lemn-font-weight-semibold);letter-spacing:.06em;text-transform:uppercase}.ui-sidebar__divider{height:1px;margin:var(--lemn-space-1) var(--lemn-space-2);background:var(--lemn-color-border)}.ui-sidebar__item{width:100%;height:40px;padding:0 10px 0 calc(12px + var(--sidebar-depth,0) * 16px);border-radius:var(--lemn-radius-medium);color:var(--lemn-color-text-muted);font-family:var(--lemn-font-body);font-size:var(--lemn-font-size-small);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;display:flex}.ui-sidebar[data-mode=rail] .ui-sidebar__item{justify-content:center;padding:0}.ui-sidebar__item:hover{background:var(--lemn-color-surface-muted);color:var(--lemn-color-text)}.ui-sidebar__item[data-active=true]{box-shadow:inset 2px 0 0 var(--lemn-color-accent);background:var(--lemn-color-accent-soft);color:var(--lemn-color-text)}.ui-sidebar__item-label{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.ui-sidebar__tree,.ui-sidebar__subtree{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.ui-sidebar__treeitem{outline:none;display:block}.ui-sidebar__treeitem:focus-visible>.ui-sidebar__item{outline:2px solid var(--lemn-color-focus);outline-offset:-2px}.ui-sidebar__subtree{margin-top:2px;position:relative}.ui-sidebar__subtree:before{content:"";top:0;bottom:2px;left:calc(12px + var(--sidebar-depth,0) * 16px + 18px);background:var(--lemn-color-border);width:1px;position:absolute}.ui-sidebar__chevron{border-radius:var(--lemn-radius-small);width:20px;height:20px;color:var(--lemn-color-disabled-text);cursor:pointer;background:0 0;border:0;flex:none;justify-content:center;align-items:center;margin-left:auto;display:inline-flex}.ui-sidebar__chevron:hover{background:var(--lemn-color-surface-muted);color:var(--lemn-color-text)}.ui-sidebar__chevron .ui-icon{transition:transform var(--lemn-duration-fast) var(--lemn-easing-standard)}.ui-sidebar__chevron[data-expanded] .ui-icon{transform:rotate(90deg)}.ui-sidebar__badge{border-radius:var(--lemn-radius-pill);background:var(--lemn-color-surface-muted);color:var(--lemn-color-text-muted);font-size:var(--lemn-font-size-caption);flex:none;margin-left:auto;padding:0 6px;line-height:18px}.ui-sidebar__badge+.ui-sidebar__chevron{margin-left:var(--lemn-space-1)}.ui-sidebar__rail-nav{flex-direction:column;gap:2px;display:flex}.ui-sidebar__rail-mark{font-size:var(--lemn-font-size-caption);font-weight:var(--lemn-font-weight-semibold)}.ui-sidebar__flyout{gap:var(--lemn-space-1);flex-direction:column;min-width:200px;display:flex}.ui-sidebar__flyout-title{padding:6px var(--lemn-space-3);color:var(--lemn-color-disabled-text);font-size:var(--lemn-font-size-caption);font-weight:var(--lemn-font-weight-semibold);letter-spacing:.06em;text-transform:uppercase}@media (prefers-reduced-motion:reduce){.ui-sidebar__chevron .ui-icon{transition:none}}.ui-sidebar__footer{gap:var(--lemn-space-2);padding:var(--lemn-space-3);border-top:1px solid var(--lemn-color-border);flex-direction:column;display:flex}.ui-sidebar__close{top:var(--lemn-space-3);right:var(--lemn-space-3);border-radius:var(--lemn-radius-medium);width:36px;height:36px;color:var(--lemn-color-text-muted);justify-content:center;align-items:center;display:none;position:absolute}.ui-sidebar__close:hover{background:var(--lemn-color-surface-muted);color:var(--lemn-color-text)}@media (width<=768px){.ui-sidebar[data-shell=true]{z-index:var(--lemn-z-drawer);width:264px;box-shadow:var(--lemn-shadow-modal);transition:transform var(--lemn-duration-normal) var(--lemn-easing-emphasized);position:fixed;top:0;bottom:0;left:0}.ui-sidebar[data-shell=true][data-mode=hidden]{width:264px;box-shadow:none;transform:translate(-100%)}.ui-sidebar[data-shell=true][data-mode=expanded]{transform:translate(0)}.ui-sidebar[data-shell=true] .ui-sidebar__close{display:inline-flex}}