body{background:#f5f7fa}.card{border:0;box-shadow:0 2px 12px rgba(0,0,0,.05)}.stat-card{min-height:120px}.invoice-paper{background:#fff;padding:42px;box-shadow:0 2px 18px rgba(0,0,0,.08)}.logo-preview{max-width:190px;max-height:75px;object-fit:contain}.theme-modern{border-top:8px solid #212529}.theme-modern .invoice-title{letter-spacing:3px}.theme-minimal{box-shadow:none;border:1px solid #ddd}.theme-minimal table thead{border-bottom:2px solid #222}@media print{.no-print,nav,footer{display:none!important}body{background:#fff}.container{max-width:none!important;width:100%!important}.invoice-paper{box-shadow:none;padding:0}}