* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #root { width: 100%; height: 100%; overflow: hidden; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }
@keyframes comfy-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }
@keyframes dotPulse { 0% { opacity:0; } 30% { opacity:1; } 100% { opacity:0; } }