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768px){.app-shell{flex-direction:column}.sidebar{width:100%;min-height:auto;padding:12px 16px;flex-direction:column;align-items:stretch;gap:0;position:relative;z-index:20}.sidebar-top-row{width:100%}.sidebar-brand{margin:0;flex-shrink:0}.mobile-nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:1px solid var(--navy-border);background:var(--navy-lighter);color:#fff;flex-shrink:0}.org-switcher,.org-name-static{margin:12px 0 0;width:100%}.sidebar nav,.sidebar-footer{display:none}.sidebar.mobile-nav-open nav{display:flex;flex-direction:column;width:100%;margin-top:12px;gap:2px}.sidebar.mobile-nav-open nav a{padding:10px 12px;margin-bottom:0}.sidebar.mobile-nav-open .sidebar-footer{display:block;margin-top:12px;padding-top:12px;border-top:1px solid #2a3763}.sidebar.mobile-nav-open .sidebar-user-email{display:block}.sidebar.mobile-nav-open 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