/* The world remains the main surface, including while its assets arrive. */
body.world-visible .game-canvas { opacity: 1; transform: none; filter: none; }
body.world-visible #curtain { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
body.world-visible #startup { pointer-events: none; }
body.world-visible .app-loader {
  inset: auto auto max(22px, env(safe-area-inset-bottom)) 24px;
  width: min(250px, 38vw); padding: 0; align-items: flex-start;
  background: none; transform: none;
}
body.world-visible .loader-mark,
body.world-visible .loader-wordmark,
body.world-visible .loader-state { display: none; }
body.world-visible #loaderText { font-size: 11px; color: #b5c1cf; text-align: left; }
body.world-visible .loader-meters { width: 100%; }
.app-loader.downloading #loaderBuild,
.app-loader.model-loading:not(.downloading) #loaderDownload { display: none; }
body.world-visible #loaderEngineInfo { display: none; }
body.world-visible:not(.arrival-busy):not(.arrival-failed) .app-loader { opacity: 0; visibility: hidden; }
body.world-visible .alpha-preview { opacity: 0; pointer-events: none; }
#arrival {
  position: fixed; z-index: 51; left: 50%; bottom: calc(100px + env(safe-area-inset-bottom));
  transform: translateX(-50%); width: min(380px, 85vw); text-align: center;
  color: #e2e9ee; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 350ms ease; text-shadow: 0 1px 9px #0008;
}
body.world-visible #arrival { opacity: 1; visibility: visible; }
body.arrival-shared #arrival { bottom: calc(164px + env(safe-area-inset-bottom)); }
body.scene-ready #arrivalTitle, body.scene-ready #arrivalAuthor { display: none; }
#arrivalTitle { font-size: 16px; letter-spacing: .04em; overflow-wrap: anywhere; max-height: 2.8em; overflow: hidden; }
#arrivalAuthor { font-size: 11px; opacity: .65; margin: 5px 0 12px; }
#arrivalTitle:empty, #arrivalAuthor:empty { display: none; }
#arrival button { pointer-events: auto; font: inherit; cursor: pointer; }
#journeyStart {
  border: 1px solid #d6e9ff30; border-radius: 30px; padding: 12px 24px;
  box-shadow: 0 4px 22px #08131b24; letter-spacing: .035em;
  color: #eef5ff; background: #142231a6; font-size: 13px !important;
  transition: background 160ms ease, border-color 160ms ease;
}
#journeyStart:hover { background: #233b50df; border-color: #d6e9ff80; }
#journeyStart:focus-visible, #arrivalDiscover:focus-visible { outline: 2px solid #bbdbed; outline-offset: 4px; }
#journeyStart:disabled { cursor: default; opacity: .65; }
#journeyHint { margin-top: 10px; font-size: 11px; opacity: .7; }
#arrivalDiscover { display: inline-block; margin-top: 12px; padding: 5px 9px; border: 0; color: #cfdae5; background: none; font-size: 11px !important; }
#arrival [hidden] { display: none; }
body.world-visible:not(.arrival-busy) #arrival.quiet { opacity: 0; visibility: hidden; }
@media(max-width: 640px) {
  body.world-visible .app-loader { left: 20px; right: 20px; bottom: auto; top: 72px; width: auto; }
  body.world-visible .loader-meters { max-width: 190px; }
  #arrival { bottom: calc(100px + env(safe-area-inset-bottom)); }
}
@media(max-height: 450px) {
  #arrival { bottom: calc(112px + env(safe-area-inset-bottom)); }
  body.arrival-shared #arrival { bottom: calc(156px + env(safe-area-inset-bottom)); }
  #arrivalTitle, #arrivalAuthor { display: none; }
  #journeyStart { padding: 10px 22px; }
}
@media(prefers-reduced-motion: reduce) { #arrival { transition: none; } }

/* One fixed capsule becomes the toolbar. Supporting copy never lays it out. */
#arrival.docked {
  bottom: auto; transform: none; max-width: none;
  box-sizing: border-box; border: 1px solid #b2d3eb42;
  border-radius: 22px; background: #09101880;
  transition: opacity 320ms ease, visibility 320ms;
}
#arrival.docked #journeyStart {
  position: absolute; inset: 0; width: 100%; height: 100%;
  box-sizing: border-box; border-radius: 22px; padding: 0 20px 16px;
  background: transparent; border: 0; box-shadow: none;
  font-size: 13px !important; letter-spacing: .06em;
}
#arrival.docked #journeyStart:hover { background: #172b3cb8; border-color: #b2d3eb80; }
#arrival.docked #journeyHint {
  position: absolute; bottom: 8px; left: 12px; right: 12px;
  margin: 0; font-size: 10px; line-height: 12px; opacity: .8;
  pointer-events: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#arrival.docked #arrivalTitle {
  position: absolute; bottom: calc(100% + 52px); left: 0; right: 0;
  font-size: 13px; letter-spacing: .02em; transition: opacity 220ms;
}
#arrival.docked #arrivalAuthor {
  position: absolute; bottom: calc(100% + 34px); left: 0; right: 0;
  margin: 0; transition: opacity 220ms;
}
body.scene-ready #arrival.docked #arrivalTitle,
body.scene-ready #arrival.docked #arrivalAuthor { display: block; opacity: 0; }
#arrival.docked #arrivalDiscover {
  position: absolute; top: 10px; right: 8px; bottom: 10px; left: auto;
  width: 100px; transform: none; margin: 0; padding: 0 8px;
  white-space: nowrap; border-radius: 12px; z-index: 53;
  border-left: 1px solid #b2d3eb30; font-size: 11px !important;
}
#arrival.docked #arrivalDiscover:hover { background: #b2d3eb15; color: #fff; }
#arrival.docked.has-discover #journeyStart { width: calc(100% - 112px); }

@media(max-height: 450px) {
  #arrival.docked #arrivalTitle, #arrival.docked #arrivalAuthor { display: none; }
}
@media(prefers-reduced-motion: reduce) { #arrival.docked { transition: none; } }

/* One capsule: the button owns its glass and hit area; progress is an overlay. */
body.world-visible .app-loader.docked-loader {
  position: absolute; bottom: auto; right: auto; box-sizing: border-box;
  display: grid; grid-template-columns: 36px minmax(0, 1fr);
  grid-template-rows: 1fr; gap: 16px; padding: 12px 16px;
  align-items: center; background: none; transform: none;
  pointer-events: none; z-index: 52;
  transition: opacity 220ms ease, visibility 220ms;
}
body.world-visible .docked-loader .loader-mark {
  display: block; width: 36px; grid-column: 1; grid-row: 1;
  animation: none; filter: none;
}
/* Keep the live status available to assistive technology without duplicating copy. */
body.world-visible .docked-loader #loaderText {
  position: absolute; width: 1px; height: 1px; min-height: 0; margin: -1px;
  padding: 0; border: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
body.world-visible .docked-loader .loader-meters {
  grid-column: 2; grid-row: 1; align-self: center;
  width: 100%; max-width: none; margin: 0; gap: 0; min-width: 0;
}
body.world-visible #arrival.has-discover .app-loader.docked-loader { width: calc(100% - 112px) !important; }
body.world-visible .docked-loader .loader-meter-head {
  min-width: 0; gap: 8px; font-size: 10px; line-height: 14px; letter-spacing: .02em; color: #c1d2e1;
}
body.world-visible .docked-loader .loader-meter { min-width: 0; }
body.world-visible .docked-loader .loader-meter-head > :first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
body.world-visible .docked-loader .loader-meter-head > :last-child { flex-shrink: 0; }
body.world-visible .docked-loader .loader-meter-track { height: 2px; border-radius: 2px; }
body.world-visible .docked-loader.downloading #loaderBuild,
body.world-visible .docked-loader:not(.downloading) #loaderDownload { display: none; }
body.arrival-busy #arrival.docked #journeyStart {
  text-align: left; padding: 0 16px 30px 68px; letter-spacing: .025em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 18px;
}
body.arrival-busy #arrival.docked #journeyStart:disabled { visibility: hidden; }
body.arrival-busy #arrival.docked #journeyHint { display: none; }
body.arrival-busy:not(.arrival-shared) #arrival.docked #arrivalTitle,
body.arrival-busy:not(.arrival-shared) #arrival.docked #arrivalAuthor { display: none; }

@media(max-width: 360px) {
  #arrival.docked #arrivalDiscover { width: 80px; white-space: normal; line-height: 16px; }
  #arrival.docked.has-discover #journeyStart { width: calc(100% - 92px); }
  body.world-visible #arrival.has-discover .app-loader.docked-loader { width: calc(100% - 92px) !important; }
}

@media(prefers-reduced-motion: reduce) {
  body.world-visible .app-loader.docked-loader { transition: none; }
}
body:not(.world-visible) .app-loader .loader-orbit-base,
body:not(.world-visible) .app-loader .loader-orbit-front { opacity: 1; }
@media(min-height: 451px) {
  body.arrival-busy.arrival-shared #arrival.docked #arrivalTitle {
    display: block; bottom: calc(100% + 52px);
  }
  body.arrival-busy.arrival-shared #arrival.docked #arrivalAuthor {
    display: block; bottom: calc(100% + 34px);
  }
}

/* A single quiet card owns loading copy; diagnostic counters stay in logs. */
body.loading-status-enabled .app-loader { display:none !important; }
body.loading-status-busy #arrival { visibility:hidden !important; pointer-events:none; }
#loading-status { position:fixed; z-index:56; left:50%; bottom:max(66px,calc(env(safe-area-inset-bottom) + 48px)); width:310px; max-width:calc(100vw - 40px); box-sizing:border-box; display:flex; align-items:center; gap:14px; padding:16px 20px; border:1px solid #d6e9f01c; border-radius:20px; background:#101a22c9; backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); box-shadow:0 8px 30px #0002; color:#e5edf1; font:13px/1.4 system-ui,sans-serif; pointer-events:none; opacity:0; visibility:hidden; transform:translate(-50%,6px); transition:opacity 240ms ease,transform 240ms ease,visibility 240ms; }
#loading-status.visible { opacity:1; visibility:visible; transform:translate(-50%,0); }
.loading-emblem { flex:0 0 34px; width:34px; opacity:.85; animation:loading-breathe 2.8s ease-in-out infinite; }
.loading-emblem svg { display:block; fill:none; stroke:#9cc7db; stroke-width:1.5; }
.loading-emblem ellipse { stroke:#b8d6ee; opacity:.65; }
.loading-copy { flex:1; min-width:0; }.loading-title { font-size:13px; font-weight:500; letter-spacing:.01em; }.loading-step { margin-top:3px; font-size:11px; color:#aebfc9; min-height:16px; }
.loading-track { height:2px; margin-top:10px; border-radius:2px; background:#c5e2ef14; overflow:hidden; }
.loading-track i { display:block; width:100%; height:100%; background:#9cc7db; transform:scaleX(0); transform-origin:left; transition:transform 550ms ease; opacity:.65; }
#loading-status.indeterminate .loading-track i { width:36%; animation:loading-flow 2s ease-in-out infinite; }
#loading-status.compact { left:auto; right:20px; top:max(76px,env(safe-area-inset-top)); bottom:auto; width:240px; padding:12px 15px; transform:translateY(-4px); border-radius:15px; }
#loading-status.compact.visible { transform:translateY(0); }#loading-status.compact .loading-title { display:none; }#loading-status.compact .loading-step { margin:0; }#loading-status.compact .loading-emblem { flex-basis:24px; width:24px; }
@keyframes loading-breathe { 50% { opacity:.45; } }@keyframes loading-flow { from { transform:translateX(-110%); } to { transform:translateX(390%); } }
@media(prefers-reduced-motion:reduce) { #loading-status,.loading-track i { transition:none; }.loading-emblem,#loading-status.indeterminate .loading-track i { animation:none; }#loading-status.indeterminate .loading-track i { transform:none; width:40%; } }