.app-container{display:flex;height:100vh;overflow:hidden}.sidebar{width:240px;background:#f5f5f5;border-right:1px solid #e2e8f0;display:flex;flex-direction:column;font-size:.8rem;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid #e2e8f0}.sidebar-header h1{font-size:1.1rem;font-weight:700;color:#111827;margin:0 0 2px}.sidebar-subtitle{font-size:.72rem;color:#6b7280;margin:0}.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.sidebar-link{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:6px;color:#374151;text-decoration:none;font-weight:500;transition:background .15s,color .15s}.sidebar-link:hover{background:#d8e2ee;color:#07111d}.sidebar-link--active{background:linear-gradient(135deg,#008195,#00a8c0);color:#fff}.sidebar-link--active:hover{background:linear-gradient(135deg,#007080,#0096ad);color:#fff}.sidebar-link--locked{cursor:default;opacity:.45;pointer-events:none}.sidebar-group-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 12px;border-radius:6px;border:none;background:none;color:#374151;font-size:.8rem;font-weight:500;cursor:pointer;text-align:left;transition:background .15s}.sidebar-group-btn:hover{background:#d8e2ee;color:#07111d}.sidebar-submenu{display:flex;flex-direction:column;gap:1px;padding-left:12px;margin-top:2px}.sidebar-sublink{display:block;padding:7px 12px;border-radius:5px;color:#4b5563;text-decoration:none;font-size:.77rem;transition:background .15s,color .15s;border-left:2px solid transparent}.sidebar-sublink:hover{background:#e8f0f8;color:#07111d}.sidebar-sublink--active{background:#e0f2fe;color:#0369a1;border-left-color:#00a8c0;font-weight:600}.sidebar-footer{padding:14px 16px;border-top:1px solid #e2e8f0}.sidebar-user{margin-bottom:10px}.sidebar-user-email{font-size:.72rem;color:#6b7280;word-break:break-all}.sidebar-logout{display:flex;align-items:center;gap:6px;width:100%;padding:7px 10px;background:none;border:1px solid #d1d5db;border-radius:6px;color:#374151;font-size:.78rem;cursor:pointer;transition:background .15s}.sidebar-logout:hover{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.content{flex:1;padding:30px;overflow-y:auto}