/* mindmap5.3 · css/manager-sidebar.css —— 资料范围与阅读集快捷导航 */
.rm-nav-top { display: flex; flex-direction: column; padding: 16px 20px 12px; }
.rm-nav-label { color: var(--ui-muted); font-size: var(--ui-font-caption); font-weight: 600; letter-spacing: .1em; }
.rm-navigation { padding: 0 12px 20px; }
.rm-nav-item { width: 100%; display: flex; gap: 10px; align-items: center; min-height: var(--ui-nav-item-h); padding: var(--ui-nav-item-padding); margin: 0 0 4px; border: 0; border-radius: var(--ui-button-radius); color: var(--ui-muted); text-align: left; background: transparent; font-size: var(--ui-font-control); font-weight: var(--ui-weight-normal); line-height: var(--ui-button-line-height); }
.rm-nav-item:hover:not(:disabled) { background: var(--ui-hover-bg); color: var(--ui-hover-text); }
.rm-nav-item.is-current, .rm-nav-item:active:not(:disabled) { background: var(--ui-pressed-bg); color: var(--ui-pressed-text); font-weight: 600; }
.rm-nav-item .rm-icon { width: 18px; height: 18px; }
.rm-nav-item .rm-count { font-size: var(--ui-font-caption); color: inherit; opacity: .8; }
.rm-nav-divider { height: 1px; margin: 12px 12px; background: var(--ui-border); }
.rm-nav-caption { margin: 16px 12px 10px; font-size: var(--ui-font-caption); font-weight: var(--ui-weight-normal); color: var(--ui-muted); }
.rm-nav-name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rm-nav-help { padding: 0 12px; font-size: 13px; }
.rm-nav-bottom { padding: 12px; display: flex; flex-direction: column; gap: 7px; border-top: 1px solid var(--ui-border); }
.rm-nav-bottom .rm-btn { border-color: transparent; background: transparent; min-height: var(--ui-control-h); font-size: var(--ui-font-caption); color: var(--ui-muted); }
.rm-nav-bottom .rm-btn:hover:not(:disabled) { background: var(--ui-hover-bg); color: var(--ui-hover-text); }
.rm-nav-bottom small { padding: 7px 8px; font-size: 10px; color: var(--ui-muted); }
@media (max-width: 900px) {
  .rm-nav-top, .rm-nav-bottom, .rm-nav-caption, .rm-nav-divider, .rm-collection-link, .rm-nav-help { display: none; }
  .rm-navigation { display: flex; flex-direction: row; align-items: center; gap: 3px; padding: 4px 12px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
  .rm-navigation > .rm-nav-item:not(.rm-collection-link) { width: auto; flex: none; gap: 6px; padding: 7px 11px; margin: 0; font-size: var(--ui-font-label); }
  .rm-navigation > .rm-nav-item .rm-icon { display: none; }
  .rm-navigation .rm-count { font-size: 10px; }
}