.os-launch-screen {
  --os-launch-background: var(--bg, #f1f3f5);
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: var(--os-launch-background);
  opacity: 1;
  pointer-events: none;
  user-select: none;
  transition: opacity 220ms ease;
  animation: os-launch-safety 1800ms step-end forwards;
}
.os-launch-screen *, .os-launch-screen *::before, .os-launch-screen *::after {
  pointer-events: none;
}
.os-launch-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: linear-gradient(145deg, #42b4ed, #2097d6);
  box-shadow: 0 12px 32px rgb(32 151 214 / 14%);
  animation: os-launch-enter 560ms cubic-bezier(.2,.7,.25,1) both;
}
.os-launch-mark img {
  display: block;
  width: 76px;
  height: 76px;
  filter: brightness(0) invert(1);
}
.os-launch-halo {
  position: absolute;
  inset: -12px;
  border: 1px solid rgb(41 161 219 / 20%);
  border-radius: 50%;
  animation: os-launch-ring 700ms ease-out both;
}
.os-launch-screen.os-launch-leaving { opacity: 0; }
@keyframes os-launch-enter {
  from { opacity: 0; transform: scale(.86); }
  65% { opacity: 1; }
  to { opacity: 1; transform: scale(1); }
}
@keyframes os-launch-ring {
  from { opacity: 0; transform: scale(.78); }
  35% { opacity: .8; }
  to { opacity: 0; transform: scale(1.16); }
}
@keyframes os-launch-safety { to { visibility: hidden; } }
html.dark .os-launch-screen { --os-launch-background: #17212b; }
@media (prefers-reduced-motion: reduce) {
  .os-launch-screen { transition-duration: 80ms; }
  .os-launch-mark { animation: none; }
  .os-launch-halo { display: none; }
}