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var(--border-color);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:.45rem .75rem;font-size:11px;font-weight:700;display:flex}.toc-list{padding:.5rem;list-style:none}.toc-item{margin-bottom:.15rem}.toc-link{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;border-radius:3px;padding:.25rem .45rem;font-size:12px;text-decoration:none;display:block;overflow:hidden}.toc-link:hover{background-color:var(--bg-surface-hover);color:var(--accent)}.toc-link.level-1{padding-left:.45rem;font-weight:600}.toc-link.level-2{padding-left:1.1rem}.toc-link.level-3{color:var(--text-muted);padding-left:1.7rem;font-size:11px}.empty-state-container{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:2rem;display:flex;overflow-y:auto}.empty-state-card{background-color:var(--bg-sidebar);border:1px solid var(--border-color);border-radius:6px;flex-direction:column;align-items:center;max-width:480px;padding:2rem;display:flex}.empty-icon-halo{background:var(--bg-surface);width:48px;height:48px;color:var(--accent);border:1px solid var(--border-color);border-radius:10px;justify-content:center;align-items:center;margin-bottom:1rem;display:flex}.empty-title{color:var(--heading-color);margin-bottom:.5rem;font-size:1.3rem;font-weight:600}.empty-desc{color:var(--text-secondary);margin-bottom:1.5rem;font-size:13px;line-height:1.6}.empty-actions{flex-wrap:wrap;justify-content:center;gap:.65rem;display:flex}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff38}