* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; color: #111; background: #f7f8fa; }
header, footer { padding: 12px 16px; background: #fff; border-bottom: 1px solid #e5e7eb; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 6px; border: 1px solid #cbd5e1; background: #fff; color: #111; cursor: pointer; }
.btn.primary { background: #2563eb; color: #fff; border-color: #2563eb; }
.btn.danger { background: #ef4444; color: #fff; border-color: #ef4444; }
.input, select { width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 6px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid #e5e7eb; padding: 8px; text-align: left; }
.kpi { font-weight: 700; font-size: 24px; }
.subtle { color: #6b7280; font-size: 12px; }
.toast { position: fixed; right: 16px; bottom: 16px; background: #111; color: #fff; padding: 12px 14px; border-radius: 8px; opacity: 0.95; }
.loading { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%{opacity: .6;} 50%{opacity: 1;} 100%{opacity: .6;} }
.logo { height: 48px; width: auto; object-fit: contain; }
.footer { color: #6b7280; font-size: 12px; text-align: center; padding: 24px; }
/* Utility classes for CSP-safe styles */
.header-actions { float: right; display: flex; gap: 8px; }
.flex-row { display: flex; }
.gap-8 { gap: 8px; }
.align-center { align-items: center; }
.mt-12 { margin-top: 12px; }
.mt-8 { margin-top: 8px; }
.mb-12 { margin-bottom: 12px; }
.card-login { max-width: 480px; margin: 40px auto; }
.ml-8 { margin-left: 8px; }