:root {
  --boot-ink: #12302e;
  --boot-paper: #f7f8f6;
  --boot-paper-deep: #eef1ee;
  --boot-accent: #1a4a46;
  --boot-font: 'Source Sans 3', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--boot-paper);
  color: var(--boot-ink);
  font-family: var(--boot-font);
}

.app-boot-splash {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: max(1.5rem, env(safe-area-inset-top)) max(1.5rem, env(safe-area-inset-right))
    max(1.5rem, env(safe-area-inset-bottom)) max(1.5rem, env(safe-area-inset-left));
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(26, 74, 70, 0.1), transparent 55%),
    radial-gradient(90% 60% at 100% 100%, rgba(18, 48, 46, 0.06), transparent 45%),
    linear-gradient(180deg, var(--boot-paper) 0%, var(--boot-paper-deep) 100%);
  color: var(--boot-ink);
  font-family: var(--boot-font);
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.app-boot-splash--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.app-boot-splash__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  text-align: center;
}

.app-boot-splash__mark {
  font-size: clamp(1.5rem, 2.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--boot-ink);
}

.app-boot-splash__mark img {
  display: block;
  height: 2.75rem;
  width: auto;
  max-width: min(12rem, 70vw);
  object-fit: contain;
}

.app-boot-splash__spinner {
  width: 1.65rem;
  height: 1.65rem;
  border: 2px solid rgba(18, 48, 46, 0.14);
  border-top-color: var(--boot-accent);
  border-radius: 50%;
  animation: app-boot-spin 0.75s linear infinite;
}

.app-boot-splash__hint {
  margin: 0;
  max-width: 18rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(18, 48, 46, 0.62);
}

.app-boot-noscript {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-content: center;
  gap: 0.5rem;
  padding: 2rem;
  text-align: center;
  font-family: var(--boot-font);
  background: var(--boot-paper);
  color: var(--boot-ink);
}

.app-boot-noscript p {
  margin: 0;
  color: rgba(18, 48, 46, 0.7);
}

@keyframes app-boot-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-boot-splash {
    transition: none;
  }

  .app-boot-splash__spinner {
    animation: none;
    border-top-color: rgba(18, 48, 46, 0.35);
  }
}