/* Short branded page transition. The default layer covers full navigations. */
.app-transition {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: grid;
  place-items: center;
  background: rgba(9, 9, 9, .92);
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .16s ease, visibility 0s linear .16s;
}

.app-transition.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity .16s ease;
}

/* PJAX keeps the chrome visible while the transition sits over page content. */
.app-transition--content {
  position: fixed;
  z-index: 25;
}

.app-is-pjax .sp-mtop,
.app-is-pjax .sp-topbar,
.app-is-pjax .sp-sidebar,
.app-is-pjax .sp-tabbar {
  z-index: 30;
}

.app-is-pjax .sp-footer {
  position: relative;
  z-index: 30;
}

.app-is-pjax .streamer-bar {
  z-index: 40 !important;
}

.app-transition__surface {
  width: min(520px, 68vw);
  display: grid;
  justify-items: center;
  gap: 32px;
}

.app-transition__brand {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #fff;
  box-shadow: 0 16px 44px rgba(0, 0, 0, .34), inset 0 0 0 1px rgba(0, 0, 0, .08);
}

.app-transition__brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: invert(1);
}

.app-transition__track {
  position: relative;
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, .19);
}

.app-transition__track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  border-radius: inherit;
  background: #9b4dff;
  box-shadow: 0 0 9px rgba(155, 77, 255, .55);
  transform: scaleX(0);
  transform-origin: left;
  animation: app-transition-progress 1.85s cubic-bezier(.2, .8, .2, 1) forwards, app-transition-colors 1.8s linear infinite;
}

@keyframes app-transition-progress {
  0% { transform: scaleX(0); }
  42% { transform: scaleX(.76); }
  68% { transform: scaleX(.86); }
  100% { transform: scaleX(.92); }
}

@keyframes app-transition-colors {
  to { filter: hue-rotate(80deg); }
}

.app-is-navigating:not(.app-is-pjax) .sp-main,
.app-is-navigating:not(.app-is-pjax) .app-shell,
.app-is-navigating:not(.app-is-pjax) .site-shell {
  animation: app-transition-content .16s ease both;
}

@keyframes app-transition-content {
  to {
    opacity: .38;
    transform: scale(.992);
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-transition,
  .app-transition.is-active {
    transition: none;
  }

  .app-transition__track::after {
    animation: none;
    transform: translateX(72%);
  }
}