:root {
  --sane-loader-bg: #f8fafc;
  --sane-loader-fg: #0f172a;
  --sane-loader-muted: #64748b;
  --sane-loader-accent: #4169e1;
}

.sane-boot-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sane-loader-bg);
  color: var(--sane-loader-fg);
  transition: opacity 280ms ease, visibility 280ms ease;
}

.sane-boot-loader--hidden {
  opacity: 0;
  visibility: hidden;
}

.sane-boot-loader__content {
  display: flex;
  width: min(86vw, 360px);
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.sane-boot-loader__mark {
  display: grid;
  width: 92px;
  height: 92px;
  place-items: center;
  animation: sane-loader-pulse 1.8s ease-in-out infinite;
}

.sane-boot-loader__mark img {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.sane-boot-loader__title {
  margin: 0;
  font: 900 22px/1.1 Inter, system-ui, sans-serif;
}

.sane-boot-loader__subtitle {
  margin: -8px 0 0;
  color: var(--sane-loader-muted);
  font: 600 13px/1.4 Inter, system-ui, sans-serif;
}

.sane-boot-loader__bar {
  position: relative;
  width: 100%;
  height: 3px;
  overflow: hidden;
  background: color-mix(in srgb, var(--sane-loader-accent), transparent 82%);
}

.sane-boot-loader__bar::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  content: "";
  background: var(--sane-loader-accent);
  animation: sane-loader-slide 1.1s ease-in-out infinite;
}

@keyframes sane-loader-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.96);
    opacity: 0.82;
  }
}

@keyframes sane-loader-slide {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(250%);
  }
}