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var(--border);background:var(--surface-muted);color:var(--ink);font-size:13px;cursor:pointer;transition:border-color .15s,color .15s}.qc-item:hover{border-color:var(--brand);color:var(--brand)}@media (min-width: 768px){.session-sidebar{position:relative;transform:none;flex:0 0 280px}.sidebar-overlay,.menu-toggle{display:none}}