:root {
  color-scheme: dark;
  --frame-loading-bg: #071426;
  --frame-loading-panel: rgba(16, 35, 60, 0.86);
  --frame-loading-ink: #e8f1ff;
  --frame-loading-muted: #9bb0ca;
  --frame-loading-accent: #6fc6ff;
  --frame-loading-track: rgba(157, 198, 235, 0.22);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --frame-loading-bg: #eef5fc;
    --frame-loading-panel: rgba(255, 255, 255, 0.90);
    --frame-loading-ink: #102239;
    --frame-loading-muted: #526b87;
    --frame-loading-accent: #1675ba;
    --frame-loading-track: rgba(25, 85, 130, 0.18);
  }
}

html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
#frame-host { position: relative; width: 100%; height: 100%; min-height: 100vh; overflow: hidden; background: var(--frame-loading-bg); }
#frame-canvas { display: block; width: 100%; height: 100%; min-height: 100%; }
.frame-seo-content { position: absolute; inset: 0; z-index: 0; overflow: auto; pointer-events: none; }
.frame-web-text-layer { position: absolute; inset: 0; z-index: 2; overflow: hidden; pointer-events: none; isolation: isolate; contain: paint; }
.frame-web-text-item { position: absolute; margin: 0; padding: 0; pointer-events: none; overflow: visible; contain: paint; isolation: isolate; }
.frame-web-text-occluder { position: absolute; margin: 0; padding: 0; pointer-events: none; overflow: hidden; contain: paint; isolation: isolate; }
.frame-web-text-clip { margin: 0; padding: 0; pointer-events: none; }

.frame-loading-ui {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 20px;
  padding: 32px;
  box-sizing: border-box;
  color: var(--frame-loading-ink);
  background: var(--frame-loading-bg);
  pointer-events: none;
  text-align: center;
  font: 500 15px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.frame-loading-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border: 2px solid color-mix(in srgb, var(--frame-loading-accent) 70%, transparent);
  border-radius: 18px;
  background: var(--frame-loading-panel);
  box-shadow: 0 14px 48px color-mix(in srgb, var(--frame-loading-accent) 18%, transparent);
  font: 750 24px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0;
}

.frame-loading-mark::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid color-mix(in srgb, var(--frame-loading-accent) 58%, transparent);
  border-radius: 24px;
  animation: frame-loading-spin 1.8s linear infinite;
}

.frame-loading-ui[data-download-indeterminate="true"] .frame-loading-progress {
  width: 34%;
  animation: frame-loading-download 1.1s ease-in-out infinite;
}

.frame-loading-ui[data-complete="true"] .frame-loading-mark::after { animation: none; border-color: var(--frame-loading-accent); }
.frame-loading-ui[data-complete="true"] .frame-loading-mark span { opacity: 0; }
.frame-loading-ui[data-complete="true"] .frame-loading-mark::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 11px;
  border-left: 3px solid var(--frame-loading-accent);
  border-bottom: 3px solid var(--frame-loading-accent);
  transform: rotate(-45deg) translate(1px, -1px);
}

.frame-loading-title { font-size: 17px; font-weight: 700; }
.frame-loading-message { max-width: 420px; color: var(--frame-loading-muted); }
.frame-loading-track { width: min(360px, 72vw); height: 8px; overflow: hidden; border: 1px solid var(--frame-loading-track); border-radius: 99px; background: var(--frame-loading-track); }
.frame-loading-progress { display: block; width: calc(var(--frame-loading-progress, 0) * 1%); height: 100%; border-radius: inherit; background: var(--frame-loading-accent); transition: width 180ms ease-out; }
.frame-loading-status { min-height: 1.45em; color: var(--frame-loading-muted); font-size: 12px; }

@keyframes frame-loading-spin { to { transform: rotate(360deg); } }
@keyframes frame-loading-download {
  0% { transform: translateX(-125%); }
  100% { transform: translateX(315%); }
}
@media (prefers-reduced-motion: reduce) {
  .frame-loading-mark::after { animation: none; }
  .frame-loading-progress { transition: none; }
  .frame-loading-ui[data-download-indeterminate="true"] .frame-loading-progress { animation: none; }
}