:root{font-family:system-ui,Segoe UI,Arial,sans-serif}body{margin:0}@keyframes pwaPulse{0%{transform:scale(1);box-shadow:0 0 #dc2626e6}70%{transform:scale(1.25);box-shadow:0 0 0 8px #dc262600}to{transform:scale(1);box-shadow:0 0 #dc262600}}