@charset "utf-8";
:root {
  font-family: var(--demo-font);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  background: var(--demo-bg);
  color: var(--demo-text);
  scroll-behavior: smooth;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--demo-bg); color: var(--demo-text); }
a { color: var(--demo-accent); text-decoration: none; text-underline-offset: .2em; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, .diagnostics:focus-visible {
  outline: 3px solid var(--demo-accent);
  outline-offset: 3px;
}
.topbar, main, footer { width: min(1320px, calc(100% - 48px)); margin-inline: auto; }
.topbar { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--demo-border); }
.wordmark { display: flex; align-items: center; gap: 10px; color: var(--demo-text-strong); font-size: 14px; font-weight: 760; letter-spacing: .06em; }
.mark { width: 29px; height: 29px; display: grid; place-items: center; border: 1px solid var(--demo-accent); border-radius: var(--demo-radius-control); color: var(--demo-accent); font-size: 16px; }
.wordmark-light { color: var(--demo-muted); font-weight: 450; letter-spacing: 0; }
.demo-home { font-size: 12px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.intro { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 15px; }
.intro-copy { min-width: 0; }
.eyebrow { margin: 0 0 6px; color: var(--demo-muted); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin: 0 7px 1px 0; border-radius: 50%; background: var(--demo-accent); }
.intro h1 { margin: 0; color: var(--demo-text-strong); font-size: clamp(25px, 3vw, 34px); line-height: 1.13; letter-spacing: -.045em; font-weight: 650; }
.lede { max-width: 460px; margin: 0; color: var(--demo-muted); font-size: 12px; line-height: 1.55; }
.intro-detail { min-width: 0; max-width: 460px; display: grid; gap: 9px; }
.pipeline { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 0; margin: 0; padding: 0; list-style: none; }
.pipeline li { display: flex; align-items: center; min-width: 0; }
.pipeline li + li::before { margin: 0 6px; color: var(--demo-accent); font-size: 10px; content: "→"; content: "→" / ""; }
.pipeline-step { padding: 3px 7px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-surface); color: var(--demo-text-strong); font-size: 9px; font-weight: 600; line-height: 1.3; white-space: nowrap; }
.pipeline-step code { font: 9px var(--demo-mono); }
.playground { padding-bottom: 18px; }
.section-head { min-height: 35px; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
h2 { margin: 0; color: var(--demo-text-strong); font-size: 18px; letter-spacing: -.025em; font-weight: 650; }
.runtime-tag { display: flex; align-items: center; gap: 7px; margin: 0; color: var(--demo-muted); font-size: 10px; }
.runtime-tag span { color: var(--demo-accent); font-size: 11px; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); min-height: 490px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius); overflow: hidden; background: var(--demo-surface); }
.editor-pane, .viewport-pane { min-width: 0; display: flex; flex-direction: column; }
.editor-pane { border-right: 1px solid var(--demo-border); }
.pane-heading { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--demo-border); }
.pane-heading h3, .run-panel-head h3 { margin: 0; color: var(--demo-text-strong); font-size: 13px; font-weight: 650; }
.pane-heading p { margin: 4px 0 0; color: var(--demo-muted); font-size: 9px; line-height: 1.35; }
.example-picker { display: grid; flex: 0 0 auto; gap: 4px; color: var(--demo-muted); font-size: 9px; }
.example-picker select, .language-row select { min-height: 30px; max-width: 190px; padding: 0 25px 0 9px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-bg); color: var(--demo-text); font-size: 10px; }
select:disabled { opacity: .6; }
.language-row { min-height: 40px; display: flex; align-items: center; gap: 9px; padding: 5px 14px; border-bottom: 1px solid var(--demo-border); color: var(--demo-muted); font-size: 10px; }
.language-row select { min-height: 27px; }
.language-row span { min-width: 0; color: var(--demo-muted); font-size: 9px; }
.entrypoint-row { min-height: 38px; display: flex; align-items: center; gap: 9px; padding: 5px 14px; border-bottom: 1px solid var(--demo-border); color: var(--demo-muted); font-size: 10px; }
.entrypoint-row select { min-height: 27px; max-width: 190px; padding: 0 25px 0 9px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-bg); color: var(--demo-text); font-size: 10px; }
.entrypoint-row select:disabled { opacity: .6; }
.editor-shell { height: 390px; min-height: 220px; flex: 0 0 auto; resize: vertical; display: grid; grid-template-columns: 42px minmax(0, 1fr); overflow: hidden; background: var(--demo-bg); font: 12px/1.6 var(--demo-mono); tab-size: 4; }
.line-numbers { height: 100%; min-height: 0; margin: 0; padding: 13px 9px 13px 0; overflow: hidden; border-right: 1px solid var(--demo-border); color: var(--demo-muted); text-align: right; white-space: pre; user-select: none; }
.source-layers { position: relative; min-width: 0; min-height: 0; overflow: hidden; }
.editor-shell #source-highlight, .editor-shell textarea { width: 100%; height: 100%; min-height: 0; resize: none; padding: 13px 14px; border: 0; border-radius: 0; background: transparent; color: var(--demo-text); caret-color: var(--demo-accent); font: inherit; line-height: inherit; white-space: pre; overflow: auto; tab-size: 4; }
.editor-shell #source-highlight { position: absolute; inset: 0; margin: 0; pointer-events: none; overflow: hidden; }
.editor-shell textarea { position: relative; display: block; color: transparent; -webkit-text-fill-color: transparent; caret-color: var(--demo-accent); }
.editor-shell textarea::selection { background: color-mix(in srgb, var(--demo-accent) 28%, transparent); }
.syntax-keyword, .syntax-decorator { color: var(--demo-accent); }
.syntax-string { color: var(--syntax-string); }
.syntax-number, .syntax-lifetime { color: var(--syntax-number); }
.syntax-comment { color: var(--demo-muted); }
:root { --syntax-string: #246638; --syntax-number: #865006; }
:root[data-theme="dark"] { --syntax-string: #8dc9a1; --syntax-number: #d5b58a; }
:root[data-theme="light"] { --syntax-string: #246638; --syntax-number: #865006; }
.editor-shell textarea:focus { outline: 0; }
.editor-shell:focus-within { box-shadow: inset 0 0 0 2px var(--demo-accent); }
.editor-shell textarea:disabled { opacity: .62; }
.editor-help { margin: 0; padding: 7px 14px; border-top: 1px solid var(--demo-border); color: var(--demo-muted); font-size: 9px; line-height: 1.5; }
kbd { padding: 1px 4px; border: 1px solid var(--demo-border); border-radius: 3px; background: var(--demo-surface-2); color: var(--demo-text); font: 9px var(--demo-mono); }
.editor-actions { display: flex; align-items: center; gap: 7px; padding: 9px 12px 3px; }
.button-primary, .button-secondary, .button-quiet { min-height: 34px; padding: 0 11px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); font-size: 10px; font-weight: 650; cursor: pointer; }
.button-primary { border-color: var(--demo-accent); background: var(--demo-accent); color: var(--demo-on-accent); }
.button-primary:hover:not(:disabled) { filter: brightness(1.08); }
.button-primary:disabled { opacity: .58; cursor: wait; }
.button-primary span:first-child { font-size: 9px; }
.button-secondary { background: var(--demo-surface-2); color: var(--demo-text); }
.button-secondary:hover:not(:disabled), .button-quiet:hover:not(:disabled) { border-color: var(--demo-accent); }
.button-quiet { margin-left: auto; background: transparent; color: var(--demo-muted); }
.button-quiet:disabled { opacity: .55; cursor: not-allowed; }
.runtime-note { min-height: 28px; margin: 0; padding: 5px 13px 9px; color: var(--demo-muted); font-size: 9px; line-height: 1.45; }
.viewport-pane { background: var(--demo-surface); }
.preview-badge { flex: 0 0 auto; padding: 4px 7px; border: 1px solid var(--demo-border); border-radius: 999px; color: var(--demo-muted); font-size: 8px; }
.preview-mode-row { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 5px 10px; border-bottom: 1px solid var(--demo-border); }
.preview-modes { display: flex; flex: 0 0 auto; gap: 4px; }
.preview-modes button, .viewport-toolbar button { min-height: 28px; padding: 0 8px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-surface); color: var(--demo-text); font-size: 9px; cursor: pointer; }
.preview-modes button[aria-pressed="true"] { border-color: var(--demo-accent); background: var(--demo-accent); color: var(--demo-on-accent); }
.preview-modes button:disabled, .viewport-toolbar button:disabled { opacity: .5; cursor: not-allowed; }
.mode-help { min-width: 0; color: var(--demo-muted); font-size: 8px; line-height: 1.4; text-align: right; }
.viewport-frame { position: relative; min-height: 300px; flex: 1; overflow: hidden; background: var(--demo-bg); }
.viewport-frame::before { position: absolute; inset: auto 0 0; height: 39%; background-image: linear-gradient(color-mix(in srgb, var(--demo-muted) 12%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--demo-muted) 12%, transparent) 1px, transparent 1px); background-size: 26px 26px; mask-image: linear-gradient(transparent, #000); content: ""; pointer-events: none; }
.viewport-empty { position: absolute; inset: 0; display: grid; align-content: center; justify-items: center; padding: 20px; text-align: center; pointer-events: none; }
.empty-cube { width: 62px; height: 60px; display: grid; place-items: center; margin: 0 auto 12px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius); background: var(--demo-surface); }
.empty-cube svg { width: 47px; fill: none; stroke: var(--demo-muted); stroke-width: 1.3; }
.viewport-empty p { max-width: 340px; margin: 0 auto 7px; color: var(--demo-text-strong); font-size: 12px; line-height: 1.5; }
.viewport-empty > span { color: var(--demo-muted); font-size: 9px; }
.viewport-frame .blr-scene-preview { position: absolute; inset: 0; z-index: 1; min-height: 0 !important; }
.blr-scene-preview-status { position: absolute; right: 9px; bottom: 7px; z-index: 3; margin: 0; padding: 4px 6px; border-radius: 4px; background: var(--demo-surface); color: var(--demo-muted); font-size: 8px; }
.blr-scene-preview > a { position: absolute; top: 8px; left: 9px; z-index: 3; padding: 5px 8px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-surface); color: var(--demo-accent); font-size: 9px; }
.viewport-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; padding: 7px 9px; border-top: 1px solid var(--demo-border); }
.viewport-toolbar #download-scene { margin-left: auto; }
.scene-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 1px solid var(--demo-border); }
.scene-stats div { display: grid; gap: 3px; padding: 8px 10px; border-right: 1px solid var(--demo-border); }
.scene-stats div:last-child { border-right: 0; }
.scene-stats dt { color: var(--demo-muted); font-size: 8px; }
.scene-stats dd { margin: 0; color: var(--demo-text-strong); font: 650 10px var(--demo-mono); }
.blender-gui-host, .glb-preview-host { position: absolute; inset: 0; z-index: 2; min-width: 0; min-height: 0; background: var(--demo-bg); }
.blender-gui-host iframe { display: block; width: 100%; height: 100%; min-height: 300px; border: 0; background: var(--demo-bg); }
.glb-preview-host { z-index: 1; background: transparent; }
.blender-gui-host:fullscreen { position: fixed; inset: 0; z-index: 1000; width: 100vw; height: 100vh; background: var(--demo-bg); }
.blender-gui-host:fullscreen iframe { min-height: 100vh; }
.run-panel { margin-top: 10px; padding: 12px 14px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius); background: var(--demo-surface); }
.run-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.run-panel-head .eyebrow { color: var(--demo-accent); }
.run-panel-head h3 { font-size: 12px; }
.phase { color: var(--demo-muted); font-size: 9px; }
.phase[data-state="error"], .run-stages li[data-state="error"] { color: var(--demo-accent); }
.phase[data-state="running"], .phase[data-state="ready"] { color: var(--demo-text-strong); }
.loading-progress { display: grid; grid-template-columns: minmax(110px, 1fr) minmax(110px, 2fr) auto; align-items: center; gap: 10px; margin: 10px 0; padding: 8px 10px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-bg); color: var(--demo-muted); font-size: 9px; }
.loading-progress progress { width: 100%; height: 8px; accent-color: var(--demo-accent); }
.loading-progress span { color: var(--demo-muted); font-variant-numeric: tabular-nums; text-align: right; }
.run-stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 10px 0; padding: 0; list-style: none; }
.run-stages li { min-height: 29px; display: flex; align-items: center; gap: 7px; padding: 4px 7px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); color: var(--demo-muted); font-size: 9px; }
.stage-index { width: 17px; height: 17px; display: grid; flex: 0 0 auto; place-items: center; border: 1px solid var(--demo-border); border-radius: 50%; font-size: 8px; }
.run-stages li[data-state="running"] { border-color: var(--demo-accent); color: var(--demo-text); }
.run-stages li[data-state="running"] .stage-index { border-color: var(--demo-accent); color: var(--demo-accent); }
.run-stages li[data-state="complete"] { border-color: var(--demo-accent); color: var(--demo-text); }
.run-stages li[data-state="complete"] .stage-index { border-color: var(--demo-accent); background: var(--demo-accent); color: var(--demo-on-accent); }
.run-stages li[data-state="error"] { border-color: var(--demo-accent); }
.run-stages li[data-state="error"] .stage-index { border-color: var(--demo-accent); color: var(--demo-accent); }
.diagnostics { min-height: 62px; max-height: 155px; overflow: auto; margin: 0; padding: 9px 10px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius-control); background: var(--demo-bg); color: var(--demo-text); font: 10px/1.5 var(--demo-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.about-details { margin-top: 12px; border: 1px solid var(--demo-border); border-radius: var(--demo-radius); background: var(--demo-surface); }
.about-details summary { padding: 10px 13px; color: var(--demo-text-strong); font-size: 11px; font-weight: 650; cursor: pointer; }
.about-copy { max-width: 900px; padding: 0 13px 12px; }
.about-copy p { margin: 0 0 9px; color: var(--demo-muted); font-size: 10px; line-height: 1.65; }
.about-copy code { color: var(--demo-text-strong); font: 9px var(--demo-mono); }
.about-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 10px; }
.about-links a { font-size: 9px; }
footer { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--demo-border); color: var(--demo-muted); font-size: 9px; }
.footer-brand { color: var(--demo-text-strong); font-weight: 750; letter-spacing: .12em; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }
@media (max-width: 900px) {
  .topbar, main, footer { width: min(100% - 36px, 760px); }
  .intro { min-height: 92px; }
  .workspace { grid-template-columns: 1fr; }
  .editor-pane { border-right: 0; border-bottom: 1px solid var(--demo-border); }
  .editor-shell { height: 300px; }
  .viewport-frame { min-height: 310px; }
}
@media (max-width: 560px) {
  .topbar, main, footer { width: calc(100% - 28px); }
  .topbar { min-height: 54px; }
  .wordmark { font-size: 12px; }
  .wordmark-light { font-size: 10px; }
  .demo-home { font-size: 11px; }
  .topbar-actions { gap: 8px; }
  .intro { display: block; padding-block: 10px 8px; }
  .intro h1 { font-size: clamp(25px, 7.2vw, 32px); }
  .lede { margin-top: 6px; font-size: 11px; }
  .lede-rust { display: none; }
  .intro-detail { gap: 6px; }
  .pipeline li + li::before { margin: 0 3px; }
  .pipeline-step, .pipeline-step code { font-size: 8px; }
  .pipeline-step { padding-inline: 4px; }
  .section-head { min-height: 31px; align-items: center; }
  h2 { font-size: 16px; }
  .runtime-tag { font-size: 8px; white-space: nowrap; }
  .workspace { border-radius: var(--demo-radius-control); }
  .pane-heading { align-items: flex-start; padding: 9px 10px; }
  .pane-heading h3 { font-size: 12px; }
  .pane-heading p { font-size: 8px; }
  .pane-heading .example-description { max-width: 180px; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .example-picker select { max-width: 138px; min-width: 112px; }
  .language-row { min-height: 29px; flex-wrap: nowrap; padding: 1px 10px; }
  .language-row span { flex: 1; margin-top: 0; }
  .entrypoint-row { min-height: 29px; padding: 1px 10px; }
  .entrypoint-row select { max-width: 180px; }
  .editor-shell { height: 180px; min-height: 180px; grid-template-columns: 34px minmax(0, 1fr); font-size: 11px; }
  .line-numbers { padding-right: 7px; }
  .editor-shell #source-highlight, .editor-shell textarea { padding-inline: 10px; }
  .editor-help { padding-inline: 10px; font-size: 8px; }
  .editor-actions { gap: 5px; padding: 7px 8px 2px; }
  .button-primary, .button-secondary, .button-quiet { min-height: 34px; padding-inline: 7px; font-size: 9px; }
  .editor-actions #reset-button { margin-left: 0; }
  .runtime-note { padding-inline: 9px; }
  .preview-mode-row { align-items: flex-start; flex-direction: column; padding: 7px 8px; }
  .preview-modes { width: 100%; }
  .preview-modes button { flex: 1; min-width: 0; }
  .mode-help { text-align: left; }
  .viewport-frame { min-height: 265px; }
  .viewport-toolbar { gap: 4px; padding: 7px; }
  .viewport-toolbar button { min-height: 28px; padding-inline: 6px; font-size: 8px; }
  .scene-stats div { padding: 7px 5px; }
  .scene-stats dt { font-size: 7px; }
  .scene-stats dd { font-size: 9px; }
  .run-panel { padding: 10px 8px; }
  .run-stages { gap: 4px; }
  .run-stages li { gap: 4px; padding-inline: 4px; font-size: 8px; }
  .stage-index { width: 15px; height: 15px; }
  .diagnostics { font-size: 9px; }
  .loading-progress { grid-template-columns: 1fr auto; gap: 6px 9px; }
  .loading-progress label { grid-column: 1 / -1; }
  .loading-progress progress { grid-column: 1 / -1; grid-row: 2; }
  .loading-progress span { grid-column: 2; grid-row: 1; }
  .about-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  footer { font-size: 8px; }
  footer > span { max-width: 150px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.diagnostics { white-space: normal; }
.diagnostics summary { cursor: pointer; color: var(--demo-muted); }
.diagnostics pre { margin: 4px 0 8px; font: inherit; white-space: pre-wrap; overflow-wrap: anywhere; }
.diagnostics > details > pre:not(:last-child) { margin-bottom: 0; }
.diagnostics > details > pre + .diagnostic-fold, .diagnostic-fold + pre { margin-top: 0; }
.diagnostic-fold { margin: 2px 0; }
.diagnostic-fold:last-child { margin-bottom: 8px; }
.diagnostic-fold > summary { font-style: italic; }
.diagnostic-fold > pre { margin: 2px 0 4px; padding-left: 8px; border-left: 2px solid var(--demo-border); color: var(--demo-muted); }
.run-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 10px 0; }
.run-metrics dt { color: var(--demo-muted); font-size: 9px; }
.run-metrics dd { margin: 4px 0 0; color: var(--demo-text-strong); font: 10px var(--demo-mono); }
.scene-stats-label { margin: 0; padding: 5px 10px; color: var(--demo-muted); font-size: 8px; }