:root{--font-family: "Segoe UI", sans-serif;--bg-gradient-end: #000000;--bg-gradient-start: #000000;--canvas-bg: #000000;--text-color: #d5e3ff;--text-bright: #e8f1ff;--text-muted: #a0b4d0;--text-secondary: var(--text-muted);--text-dim: var(--text-muted);--accent-primary: #40e0d0;--accent-secondary: #f0a830;--accent-success: #4de88a;--accent-danger: #ff5c5c;--panel-bg: rgba(5, 9, 16, .95);--panel-bg-hover: rgba(12, 18, 28, .82);--panel-border: rgba(255, 255, 255, .08);--border-color: var(--panel-border);--accent: var(--accent-primary);--section-bg: rgba(255, 255, 255, .03);--section-border: rgba(255, 255, 255, .05);--section-params-bg: rgba(0, 0, 0, .15);--input-bg: #0a1420;--input-border: rgba(255, 255, 255, .15);--btn-bg: rgba(255, 255, 255, .08);--btn-border: rgba(255, 255, 255, .15);--btn-hover-bg: rgba(255, 255, 255, .12);--btn-primary-bg: rgba(64, 224, 208, .18);--btn-primary-hover: rgba(64, 224, 208, .28);--modal-bg: rgba(10, 20, 35, .98);--rocket-scale: 1;--border-radius: 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cubic-bezier(.4,0,.2,1) .35s}.welcome-auth{position:static;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:clamp(20px,3vw,40px);width:100%;min-height:48px}.welcome-auth-loading{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);opacity:.62}.welcome-auth-fallback-title,.welcome-auth-fallback-note{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;text-align:center}.welcome-auth-fallback-title{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);opacity:.78}.welcome-auth-fallback-note{max-width:28rem;font-size:.75rem;line-height:1.45;color:var(--text-muted);opacity:.56}.welcome-reload-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 18px;background:transparent;border:1px solid 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ease}.app-update-prompt__btn:hover,.app-update-prompt__btn:focus-visible{background:var(--btn-hover);outline:none}.app-update-prompt__btn--primary{background:var(--btn-primary-bg)}.app-update-prompt__btn--primary:hover,.app-update-prompt__btn--primary:focus-visible{background:var(--btn-primary-hover)}#appUpdatePrompt.is-updating .app-update-prompt__btn{cursor:default}#appUpdatePrompt .app-update-prompt__btn:disabled{opacity:.55}@media(max-width:640px){#appUpdatePrompt{left:16px;right:16px;top:50%;transform:translateY(-50%);max-width:none;width:auto;padding:20px 18px 18px}.app-update-prompt__actions{width:100%;justify-content:center;flex-wrap:wrap}}@media(display-mode:standalone){html,body{position:fixed;inset:0;width:100%;height:-webkit-fill-available;min-height:-webkit-fill-available;overflow:hidden;overscroll-behavior:none}#canvas,#welcomeOverlay{inset:0;width:100%;height:100%;min-height:100%}#welcomeOverlay{overflow-y:hidden;overscroll-behavior:none}.top-right-controls{top:calc(16px + var(--app-safe-top));right:calc(16px + var(--app-safe-right))}#panel{left:calc(16px + var(--app-safe-left));top:calc(16px + var(--app-safe-top))}#hud{right:calc(16px + var(--app-safe-right));bottom:calc(12px + var(--app-safe-bottom))}#bottomHud{padding-bottom:0}#appUpdatePrompt{bottom:calc(16px + var(--app-safe-bottom))}}:root{--right-slide-panel-base-width: 280px;--right-rail-tab-width: 28px;--right-rail-total-width: calc(var(--right-rail-tab-width) + var(--right-slide-panel-base-width));--right-rail-viewport-height: calc(var(--app-viewport-height, 100dvh) / var(--ui-zoom, 1));--right-slide-panel-duration: .3s;--right-slide-panel-ease: ease;--right-tab-stack-gap: 8px}body{--right-rail-translate-x: var(--right-slide-panel-base-width)}body.panel-open{--right-rail-translate-x: 0px}#panel,#bottomHud,#hud,.top-right-controls,.object-modal-overlay,.axis-gizmo,#rightRail{zoom:var(--ui-zoom, 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0}.orbit-style-picker-grid.icons{grid-template-columns:repeat(4,minmax(0,1fr))}.orbit-style-picker-grid.values{grid-template-columns:repeat(5,minmax(0,1fr))}.orbit-style-option{width:100%;min-height:32px;border:1px solid var(--btn-border);border-radius:var(--border-radius);background:var(--btn-bg);color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.75rem;font-weight:700;padding:4px;transition:color .2s,border-color .2s,background .2s}.orbit-style-option:hover,.orbit-style-option:focus{color:var(--text-bright);border-color:var(--accent-primary);background:var(--btn-hover-bg);outline:none}.orbit-style-option.selected{color:var(--accent-primary);border-color:var(--accent-primary);background:var(--btn-primary-bg)}.orbit-style-option-icon,.orbit-style-option svg{width:18px;height:18px}.option-list{display:flex;flex-direction:column;gap:2px}.floating-inline-panel:not(#floatingColorSchemePanel):not(#floatingMaterialPanel) 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var(--shadow-light);min-width:260px}.qr-close{position:absolute;top:8px;right:12px;background:none;border:none;color:var(--text-muted);font-size:1.4rem;cursor:pointer;line-height:1;padding:4px;transition:color .15s}.qr-close:hover{color:var(--text-bright)}.qr-canvas{border-radius:8px;image-rendering:pixelated}.qr-brand{display:flex;align-items:center;gap:10px}.qr-logo-svg{width:28px;height:28px}.qr-brand-text{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:20px;font-weight:200;letter-spacing:3px;color:var(--text-bright)}.qr-accent{color:transparent;font-weight:700;display:inline-flex;align-items:center;justify-content:center;width:1.15em;height:1.15em;background:transparent;border:.08em solid var(--accent-primary);border-radius:50%;box-shadow:0 0 10px var(--glow-accent-soft)}.qr-actions{display:flex;gap:8px;width:100%}.qr-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;background:#ffffff0f;border:1px solid var(--border-subtle);border-radius:var(--border-radius);color:var(--text-muted);font-size:.75rem;cursor:pointer;transition:all .15s ease}.qr-btn:hover{background:var(--btn-hover-bg);color:var(--accent-primary)}.qr-btn svg{width:16px;height:16px;flex-shrink:0}.qr-btn-flash{color:var(--accent-primary)!important;border-color:var(--accent-primary)}body.fullscreen-mode #panel{transform:translate(calc(-100% - 32px))}body.fullscreen-mode #historyBar,body.fullscreen-mode #bottomHud{transform:translate(-50%) translateY(calc(100% + 40px))}body.fullscreen-mode #hud{transform:translateY(calc(100% + 32px))}body.fullscreen-mode .axis-gizmo{transform:translate(calc(100% + 32px),calc(100% + 32px))}body.fullscreen-mode .right-rail{transform:translate(calc(100% + 32px))}body.fullscreen-mode .top-right-controls{gap:0}body.fullscreen-mode .top-right-controls .user-avatar,body.fullscreen-mode .top-right-controls 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