:root{--doc-toc-bar-height:44px}.doc-shell-sidebar{position:-webkit-sticky;position:sticky;top:var(--chrome-top-height);width:240px;min-width:240px;height:calc(100vh - var(--chrome-top-height));overflow-y:auto;padding:1rem .5rem 2rem 1rem;border-right:1px solid var(--border,#e0e0e0);background:var(--bg,#fff);box-sizing:border-box}.doc-shell-sidebar-overlay,.doc-toc-bar{display:none}@media (max-width:639px){.doc-toc-bar{display:flex;align-items:center;gap:.4rem;position:fixed;top:var(--chrome-top-height);left:0;right:0;z-index:130;height:var(--doc-toc-bar-height);padding:0 .9rem;border:none;border-bottom:1px solid var(--border,#e0e0e0);background:var(--bg,#fff);color:var(--text);font-size:.85rem;text-align:left;cursor:pointer}.doc-toc-bar__icon{font-size:1rem;flex-shrink:0}.doc-toc-bar__label{font-weight:600;flex-shrink:0}.doc-toc-bar__sep{color:var(--text-dim);flex-shrink:0}.doc-toc-bar__current{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim)}.doc-shell-sidebar{position:fixed;top:var(--chrome-top-height);left:0;z-index:150;height:calc(100vh - var(--chrome-top-height));transform:translateX(-100%);transition:transform .2s ease;box-shadow:none}.doc-shell-sidebar.open{transform:translateX(0);box-shadow:4px 0 16px rgba(0,0,0,.1)}.doc-shell-sidebar-overlay{display:block;position:fixed;inset:0;z-index:140;background:rgba(0,0,0,.3)}}