* textarea{min-height:90px;resize:vertical}* .btn{background:#2563eb;border:0;color:#fff;padding:12px 16px;border-radius:10px}* .btn.danger{background:#dc2626}* .alert{margin-top:12px;padding:12px;border-radius:10px}* .alert.info{background:#eff6ff;color:#1e3a8a}* .alert.error{background:#fef2f2;color:#991b1b}* .grid-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:16px}* .table-wrap{overflow-x:auto}* table{width:100%;border-collapse:collapse}* th,* td{text-align:left;padding:12px;border-bottom:1px solid #e5e7eb}* .center{min-height:100vh;display:flex;align-items:center;justify-content:center}@media(max-width:900px){* .app-shell,* .two-col{grid-template-columns:1fr}}