.lhac-sidebar{border-right:1px solid var(--lr-line);background:var(--lr-surface-muted);width:240px;height:100%;min-height:0;color:var(--lr-muted);text-align:left;flex-direction:column;flex:0 0 240px;font-family:inherit;font-size:13px;line-height:20px;display:flex;overflow:hidden}.lhac-sidebar svg{color:var(--lr-muted);flex-shrink:0}.lhac-sidebar-header{min-height:44px;color:var(--lr-ink);letter-spacing:-.01em;flex-shrink:0;align-items:center;gap:8px;padding:6px 18px;font-weight:600;display:flex}.lhac-sidebar-header>span{flex:1}.lhac-new-chat-wrap{flex-shrink:0;gap:4px;padding:4px 10px 8px;display:grid}.lhac-new-chat,.lhac-nav-item{border-radius:6px;align-items:center;gap:10px;width:100%;min-height:28px;padding:4px 8px;display:flex}.lhac-conversation-filter{border:1px solid var(--lr-line);background:var(--lr-paper);border-radius:6px;align-items:center;gap:8px;min-height:28px;padding:4px 8px;font-size:12px;line-height:18px;display:flex}.lhac-nav-item[data-active=true]{background:var(--lr-line);color:var(--lr-ink);font-weight:500}.lhac-nav-item[data-active=true] svg{color:inherit}.lhac-navigation{flex-shrink:0;padding:4px 10px 8px}.lhac-navigation ul{gap:2px;margin:0;padding:0;list-style:none;display:grid}.lhac-workspace-tools{align-items:center;gap:6px;margin-top:8px;padding:3px 8px;font-size:12px;font-weight:500;line-height:18px;display:flex}.lhac-history{flex:1;min-height:0;padding:4px 10px 16px;overflow:hidden}.lhac-history-group{margin-bottom:12px}.lhac-history-label{color:var(--lr-muted);padding:8px;font-size:12px;font-weight:500;line-height:18px}.lhac-thread{min-width:0;min-height:32px;color:var(--lr-muted);border-radius:6px;align-items:center;gap:8px;margin:2px 0;padding:4px 8px;font-size:13px;line-height:20px;display:flex}.lhac-thread[data-active=true]{background:var(--lr-line);color:var(--lr-ink);font-weight:500}.lhac-thread>span:first-child{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;display:block;overflow:hidden}.lhac-thread-unread{background:#6c00fc;border-radius:50%;flex:0 0 6px;height:6px}.lhac-project-wrap{border-top:1px solid var(--lr-line);flex-shrink:0;padding:8px 10px}.lhac-project{border-radius:6px;align-items:center;gap:10px;padding:6px 8px;display:flex}.lhac-project-name{min-width:0;color:var(--lr-ink);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.lhac-header{border-bottom:1px solid var(--lr-line);background:var(--lr-surface);flex-shrink:0;justify-content:space-between;align-items:center;min-height:44px;padding:6px 16px;display:flex}.lhac-header-brand{align-items:center;gap:8px;min-width:0;display:flex}.lhac-header-logo{width:32px;height:32px;color:var(--lr-muted);justify-content:center;align-items:center;display:flex}.website-root .lhac-header h2{color:var(--lr-ink);letter-spacing:normal;margin:0;font-family:inherit;font-size:13px;font-weight:500;line-height:20px}.lhac-response-time{color:var(--lr-subtle);font-size:12px}.lhac-response-action{width:28px;height:28px;color:var(--lr-subtle);place-items:center;display:grid}.lhac-response-action>svg{width:16px;height:16px}.lhac-response-divider{background:var(--lr-line);width:1px;height:16px;margin:0 2px}