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var(--border);display:none}#sidebar.open{display:block}.sidebar-nav{display:none;flex-direction:column;gap:5px;margin-bottom:20px;border-bottom:1px solid var(--border);padding-bottom:15px}.sidebar-nav .tab-btn{background:transparent;border-left:3px solid transparent;text-align:left;color:var(--primary)}.sidebar-nav .tab-btn.active,.sidebar-nav .tab-btn:hover{background:#00000008;border-left-color:var(--secondary);font-weight:700;opacity:1}.sidebar-section{display:none}.sidebar-section.active{display:block}.tab-content{display:none}.tab-content.active{display:block}@media (min-width: 769px){body.contributors-view #sidebar{display:none}}@media (max-width: 768px){body.contributors-view .sidebar-nav{margin-bottom:0;padding-bottom:0;border-bottom:none}}.app-footer{display:flex;gap:24px;padding:12px 20px;border-top:1px solid var(--border);font-size:.8rem;color:#999}@media (max-width: 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