.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at 50% 42%, rgba(0, 122, 255, 0.22), rgba(0, 0, 0, 0.88) 58%);
}

.loading-screen.hidden,
.hidden {
  display: none !important;
}

.loading-card {
  width: clamp(288px, 92vw, 420px);
  padding: 24px;
  pointer-events: auto;
  text-align: center;
}

.loading-ring {
  width: 96px;
  height: 96px;
  margin: 0 auto 18px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

.caption {
  margin: 0 0 8px;
  color: var(--text-secondary);
  font: var(--font-caption);
  text-transform: uppercase;
}

.loading-card h1 {
  margin: 0 0 8px;
  font: var(--font-title1);
}

.loading-card p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  font: var(--font-subheadline);
}

.progress-track {
  height: 4px;
  margin: 0 0 20px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-track span {
  display: block;
  width: 14%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
  transition: width 0.25s ease;
}

.hud-toolbar {
  position: fixed;
  left: calc(12px + env(safe-area-inset-left));
  right: calc(12px + env(safe-area-inset-right));
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 15;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  pointer-events: auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.hud-toolbar::-webkit-scrollbar {
  display: none;
}

.status-panel {
  position: fixed;
  top: calc(12px + env(safe-area-inset-top));
  left: calc(12px + env(safe-area-inset-left));
  right: calc(12px + env(safe-area-inset-right));
  z-index: 15;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px 12px;
  pointer-events: none;
}

.status-panel span {
  display: block;
  margin-bottom: 3px;
  color: var(--text-tertiary);
  font: var(--font-caption);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.status-panel strong {
  display: block;
  overflow: hidden;
  color: var(--accent);
  font: 500 12px/1.25 var(--font-mono);
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.ar-panel {
  position: fixed;
  width: clamp(280px, 90vw, 400px);
  min-height: 220px;
  max-height: min(74vh, 640px);
  z-index: 12;
  padding: 18px;
  pointer-events: auto;
  transform: translate3d(16px, 96px, 0);
  transition: box-shadow 0.18s ease, transform 0.08s ease;
}

.ar-panel.active {
  box-shadow: var(--glass-shadow-deep), 0 0 42px var(--accent-glow);
}

.ar-panel header {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-left: 34px;
}

.ar-panel h2 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font: var(--font-title3);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.panel-minimize {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
}

.panel-body {
  max-height: calc(min(74vh, 640px) - 80px);
  overflow: auto;
  padding: 6px 2px 2px;
  scrollbar-width: thin;
}

.panel-body input,
.panel-body select,
.panel-body textarea {
  width: 100%;
  min-height: 46px;
  margin: 6px 0;
  padding: 12px 14px;
  border: 1px solid var(--separator);
  border-radius: 14px;
  outline: 0;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text-primary);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.panel-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.panel-action {
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  cursor: pointer;
}

.panel-action:active {
  background: var(--glass-bg-active);
  transform: scale(0.98);
}

.panel-list {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.model-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  min-height: 54px;
  padding: 10px;
  border: 1px solid var(--separator);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.model-card strong,
.model-card span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-card span {
  color: var(--text-secondary);
  font: var(--font-caption);
}

.sketchfab-panel {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 12px;
  border: 1px solid var(--separator);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.sketchfab-panel strong {
  font: var(--font-headline);
}

.panel-note {
  margin: 0;
  color: var(--text-secondary);
  font: var(--font-footnote);
}

.inline-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.inline-row .panel-action {
  min-width: 72px;
}

.sketchfab-results {
  max-height: 280px;
  overflow: auto;
  padding-right: 2px;
}

.sketchfab-card {
  grid-template-columns: 68px minmax(0, 1fr);
  align-items: stretch;
}

.sketchfab-card img {
  width: 68px;
  height: 68px;
  align-self: center;
  border-radius: 12px;
  object-fit: cover;
  background: rgba(0, 0, 0, 0.32);
}

.sketchfab-card > div:first-of-type {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.sketchfab-card a {
  min-width: 0;
  overflow: hidden;
  color: var(--text-secondary);
  font: var(--font-caption);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.link-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  text-decoration: none;
}

.jarvis-bubble {
  position: fixed;
  left: 50%;
  bottom: calc(98px + env(safe-area-inset-bottom));
  z-index: 20;
  width: min(390px, calc(100vw - 24px));
  padding: 14px 16px;
  pointer-events: none;
  transform: translateX(-50%);
}

.jarvis-bubble span {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font: 700 11px/1 var(--font);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.jarvis-bubble p {
  margin: 0;
  color: var(--text-primary);
  font: var(--font-callout);
}

#error-host,
#banner-host {
  position: fixed;
  left: 12px;
  right: 12px;
  z-index: 25;
  pointer-events: none;
}

#error-host {
  top: calc(14px + env(safe-area-inset-top));
}

#banner-host {
  top: calc(78px + env(safe-area-inset-top));
}

.error-panel,
.banner-panel {
  width: min(520px, calc(100vw - 24px));
  margin: 0 auto 8px;
  padding: 12px 14px;
  pointer-events: auto;
}

.error-panel {
  border-color: rgba(255, 59, 48, 0.45);
  box-shadow: var(--glass-shadow), 0 0 28px var(--destructive-glow);
}

.error-panel strong,
.banner-panel strong {
  display: block;
  margin-bottom: 4px;
  font: var(--font-headline);
}

.error-panel p,
.banner-panel p {
  margin: 0;
  color: var(--text-secondary);
  font: var(--font-footnote);
}

.error-panel a {
  color: var(--text-primary);
}

.context-menu {
  position: fixed;
  z-index: 22;
  display: grid;
  gap: 6px;
  width: 190px;
  padding: 8px;
  pointer-events: auto;
}

.context-menu button {
  min-height: 42px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.game-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--bg-darker);
}