body{background:#f4f6f9;font-family:system-ui,-apple-system,sans-serif}
.card{border:none;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat-card{border-left:4px solid #0d6efd}
.health-green{color:#198754}.health-yellow{color:#ffc107}.health-red{color:#dc3545}
.sig-pad{border:2px dashed #999;background:#fff;border-radius:8px;touch-action:none}
@media(max-width:768px){.table-responsive{font-size:.875rem}}