:root{--brand-red:#c0392b;--brand-dark:#1a1a2e;--sidebar-width:220px}html,body{height:100%}body{background-color:#f8f9fa;min-height:100vh;font-family:system-ui,-apple-system,sans-serif}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-content{flex:1;padding:1.5rem}.admin-shell{min-height:100vh;display:flex}.admin-sidebar{width:var(--sidebar-width);background-color:var(--brand-dark);color:#fff;flex-direction:column;flex-shrink:0;min-height:100vh;display:flex}.admin-sidebar .sidebar-brand{color:#fff;border-bottom:1px solid #ffffff1a;padding:1.25rem 1rem;font-size:.95rem;font-weight:700;text-decoration:none}.admin-sidebar .nav-link{color:#ffffffbf;border-radius:0;align-items:center;gap:.5rem;padding:.65rem 1rem;font-size:.9rem;display:flex}.admin-sidebar .nav-link:hover,.admin-sidebar .nav-link.active{color:#fff;background-color:#ffffff1a}.admin-main{flex-direction:column;flex:1;display:flex;overflow:hidden}.admin-topbar{background-color:#fff;border-bottom:1px solid #dee2e6;justify-content:space-between;align-items:center;padding:.65rem 1.5rem;display:flex}.admin-content{flex:1;padding:1.5rem;overflow-y:auto}.table-hover tbody tr:hover{cursor:pointer}.badge-active{background-color:#198754}.badge-expired{background-color:#dc3545}.login-card{max-width:420px;margin:auto}