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1px;line-height:1}.citation:hover{background:var(--crimson);color:#fff;transform:translateY(-1px)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;top:var(--header-height);background:#0000004d;z-index:149;opacity:0;pointer-events:none;transition:opacity .3s}.sidebar-overlay.visible{opacity:1;pointer-events:auto}@media(max-width:768px){.app-layout{grid-template-columns:1fr}}