:root {
  color-scheme: light;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-height: 100%;
  background: #f9fafb;
}

#frameCanvas {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  position: fixed;
  left: -9999px;
  top: -9999px;
}

.flash-success {
  animation: flash 0.5s ease-out forwards;
}

@keyframes flash {
  0% { background-color: rgba(16, 185, 129, 0.8); }
  100% { background-color: transparent; }
}