.tenant-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh;background:#f4f5f7}.tenant-sidebar{background:#111827;color:#fff;padding:16px}.tenant-main{display:flex;flex-direction:column;min-width:0}.tenant-content{padding:16px}.sidebar-title{font-size:18px;font-weight:800;margin-bottom:16px}.sidebar-nav{display:grid;gap:6px}.sidebar-link{display:block;padding:10px 12px;border-radius:8px;color:#d1d5db;text-decoration:none;font-weight:600}.sidebar-link:hover{background:#1f2937}.sidebar-link.active{background:#2563eb;color:#fff}.topbar{height:56px;background:#ffffff;border-bottom:1px solid #e5e7eb;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.topbar-button{padding:8px 12px;border-radius:8px;border:1px solid #d0d5dd;background:#fff;cursor:pointer;font-weight:600}@media (max-width:1024px){.tenant-shell{grid-template-columns:1fr}.tenant-sidebar{display:none}}