body.realm-diorama {
  --diorama-side: 0.5;
  background: #121013;
}

#diorama-world {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

body.is-orbiting #diorama-world {
  cursor: grabbing;
}

#diorama-world.is-over-portal {
  cursor: pointer;
}

.diorama-vignette,
.diorama-loader {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.diorama-vignette {
  z-index: 42;
  background:
    linear-gradient(to bottom, rgba(4, 4, 6, 0.34), transparent 20%, transparent 68%, rgba(4, 4, 6, 0.58)),
    radial-gradient(ellipse at center, transparent 46%, rgba(0, 0, 0, 0.12) 68%, rgba(0, 0, 0, 0.68) 100%);
}

.diorama-vignette::before {
  content: "";
  position: absolute;
  inset: -0.75rem;
  backdrop-filter: blur(2.8px) saturate(0.9);
  -webkit-mask-image: radial-gradient(ellipse at center, transparent 0 58%, rgba(0, 0, 0, 0.12) 72%, #000 98%);
  mask-image: radial-gradient(ellipse at center, transparent 0 58%, rgba(0, 0, 0, 0.12) 72%, #000 98%);
}

.diorama-loader {
  z-index: 80;
  overflow: hidden;
  opacity: 1;
  background: #0c0b10;
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 900ms;
}

.diorama-loader::before,
.diorama-loader::after {
  content: "";
  position: absolute;
  inset-block: 0;
  width: 50%;
  background-position: center;
  background-size: cover;
  filter: saturate(0.88) contrast(1.03);
  transition: transform 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.diorama-loader::before {
  left: 0;
  background-image:
    linear-gradient(rgba(9, 13, 7, 0.1), rgba(7, 7, 9, 0.34)),
    url("/shared/hub/art/seele-jungle-v2.webp");
}

.diorama-loader::after {
  right: 0;
  background-image:
    linear-gradient(rgba(7, 7, 9, 0.14), rgba(7, 7, 9, 0.42)),
    url("/shared/hub/art/gehirn-city-v2.webp");
}

.diorama-loader.is-off {
  visibility: hidden;
  opacity: 0;
}

.diorama-loader.is-off::before { transform: translateX(-8%); }
.diorama-loader.is-off::after { transform: translateX(8%); }

.realm-diorama .hud {
  background: linear-gradient(to bottom, rgba(8, 8, 10, 0.72), rgba(8, 8, 10, 0.12) 76%, transparent);
}

.realm-diorama .hud-zone {
  transition: color 500ms ease;
}

.realm-diorama .mode-link {
  display: grid;
  min-width: 1.8rem;
  min-height: 1.8rem;
  place-items: center;
  border: 1px solid rgba(239, 237, 232, 0.3);
}

.realm-diorama .diorama-hint {
  width: max-content;
  max-width: calc(100vw - 2rem);
  text-align: center;
}

.realm-diorama.side-seele .film-grain { opacity: 0.045; }
.realm-diorama.side-seele .scanlines { opacity: 0; }
.realm-diorama.side-gehirn .film-grain { opacity: 0.14; }
.realm-diorama.side-gehirn .scanlines { opacity: 0.05; }

@media (max-width: 720px) {
  .realm-diorama .hud-nav {
    gap: 0.55rem;
  }

  .realm-diorama .hud-nav > a:not(.mode-link) {
    display: none;
  }

  .realm-diorama .mode-link {
    min-width: 2.75rem;
    min-height: 2.75rem;
  }

  .realm-diorama .language-switch button {
    min-width: 2.75rem;
    min-height: 2.75rem;
  }

  .realm-diorama .diorama-hint {
    font-size: 0.75rem;
    letter-spacing: 0.075em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .diorama-loader,
  .diorama-loader::before,
  .diorama-loader::after {
    transition: none;
  }
}