:root{--primary: #ffed00;--primary-deep: #e6d200;--primary-glow: rgba(255, 237, 0, .45);--ink: #000000;--surface-dark: #000000;--panel-bg: rgba(10, 10, 12, .88);--panel-border: rgba(255, 255, 255, .11);--panel-glow: rgba(0, 0, 0, .7);--radius-pill: 46px;--font: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;--accent-cyan: #00f2fe;--accent-blue: #057eff;--accent-purple: #a855f7;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--input-bg: rgba(255, 255, 255, .05);--input-border: rgba(255, 255, 255, .12);--ease-out: cubic-bezier(.23, 1, .32, 1);--ease-in-out: cubic-bezier(.77, 0, .175, 1);--dur-press: .12s;--dur-hover: .16s;--dur-menu: .18s;--z-canvas: 1;--z-ui-root: 10;--z-zen-pill: 100;--z-dialog: 150;--z-modal: 200;--z-overlay-hud: 40;--z-overlay-caption: 50;--z-overlay-readout: 60;--z-overlay-clip: 70;--z-panel-stats: 80;--z-panel-inspector: 90;--z-panel-topbar: 100;--z-panel-dock: 120;--z-panel-dropdown: 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#00000040}.engine-dropdown-trigger:hover{border-color:#ffed0066;background:#1a1a22d9;box-shadow:0 0 16px #ffed0026}.engine-dropdown-trigger.open{border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow);background:#1a1a22f2}.engine-dropdown-trigger .trigger-icon{display:flex;align-items:center;justify-content:center;color:var(--primary)}.engine-dropdown-trigger .trigger-name{font-weight:700;letter-spacing:.3px;color:#fff}.engine-dropdown-trigger .trigger-badge{font-size:10px;font-weight:600;padding:2px 7px;border-radius:var(--radius-pill);background:#ffffff14;color:var(--text-secondary);letter-spacing:.2px}.engine-dropdown-trigger .trigger-chevron{display:flex;align-items:center;color:var(--text-muted);transition:transform .2s ease;margin-left:2px}.engine-dropdown-trigger.open .trigger-chevron{transform:rotate(180deg);color:var(--primary)}.engine-dropdown-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(-6px) scale(.97);width:320px;background:#0e0e12f2;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:6px;box-shadow:0 16px 40px #0009,0 0 1px #fff3;display:flex;visibility:hidden;flex-direction:column;gap:3px;z-index:var(--z-panel-dropdown);opacity:0;transform-origin:top center;transition:opacity var(--dur-menu) var(--ease-out),transform var(--dur-menu) var(--ease-out),visibility 0s linear var(--dur-menu);pointer-events:none}.engine-dropdown-menu.open{visibility:visible;opacity:1;transform:translate(-50%) translateY(0) scale(1);pointer-events:auto;transition:opacity var(--dur-menu) var(--ease-out),transform var(--dur-menu) var(--ease-out),visibility 0s}.engine-dropdown-item{display:flex;flex-direction:column;padding:8px 12px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;cursor:pointer;text-align:left;transition:background-color var(--dur-hover) ease,border-color var(--dur-hover) ease,color var(--dur-hover) ease,box-shadow var(--dur-hover) ease,transform var(--dur-press) var(--ease-out);font-family:var(--font)}.engine-dropdown-item:hover{background:#ffffff0f;border-color:#ffffff1a}.engine-dropdown-item.active{background:#ffed0014;border-color:#ffed004d}.engine-item-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}.engine-item-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#fff}.engine-dropdown-item.active .engine-item-title{color:var(--primary)}.engine-item-dot{width:6px;height:6px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.engine-dropdown-item.active .engine-item-dot{background:var(--primary);box-shadow:0 0 8px var(--primary)}.engine-item-badge{font-size:10px;font-weight:600;padding:1px 6px;border-radius:4px;background:#ffffff12;color:var(--text-muted)}.engine-dropdown-item.active 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var(--panel-glow)}.fps-indicator{width:7px;height:7px;border-radius:50%;background:#10b981}.stats-sep{color:var(--text-muted)}.stats-engine-label{color:var(--primary)}.studio-playback-dock{position:absolute;bottom:16px;left:50%;transform:translate(-50%);height:44px;display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--panel-bg);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);border-radius:var(--radius-pill);box-shadow:0 12px 36px #000000b3,0 0 24px #ffed001f;pointer-events:auto;z-index:var(--z-panel-dock)}.dock-play-btn{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:var(--radius-pill);border:none;background:var(--primary);color:var(--ink);font-family:inherit;font-size:11px;font-weight:800;letter-spacing:.05em;cursor:pointer;transition:background-color var(--dur-hover) var(--ease-out),border-color var(--dur-hover) var(--ease-out),color var(--dur-hover) var(--ease-out),box-shadow var(--dur-hover) var(--ease-out),transform var(--dur-press) var(--ease-out);box-shadow:0 2px 10px #ffed0066}.dock-play-btn:hover{transform:scale(1.05);box-shadow:0 4px 18px #ffed0099}.dock-play-btn.paused{background:#ffed0026;color:var(--primary);border:1px solid var(--primary);box-shadow:none}.dock-play-btn.paused:hover{background:var(--primary);color:var(--ink)}.dock-vsep{width:1px;height:20px;background:#ffffff1f}.dock-speed-section{display:flex;align-items:center;gap:8px}.dock-speed-title{font-size:9px;font-weight:800;letter-spacing:.08em;color:var(--text-muted)}.dock-speed-slider{width:90px;height:4px;-webkit-appearance:none;background:#ffffff26;border-radius:2px;outline:none;cursor:pointer;font-family:var(--font)}.dock-speed-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 0 8px #ffed00cc;transition:transform .15s 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rgba(255,255,255,.14);background:#ffffff0a;color:var(--text-secondary);font-family:var(--font);display:inline-flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;transition:background-color var(--dur-hover) ease,border-color var(--dur-hover) ease,color var(--dur-hover) ease,box-shadow var(--dur-hover) ease,transform var(--dur-press) var(--ease-out)}.dock-icon-btn:hover{background:#ffed0026;border-color:var(--primary);color:var(--primary)}.dock-icon-btn.active{background:var(--primary);border-color:var(--primary);color:var(--ink)}.dock-play-icon{display:inline-flex;align-items:center}.dock-play-text{min-width:34px;text-align:left}.studio-inspector{position:absolute;top:90px;right:16px;bottom:16px;width:360px;z-index:var(--z-panel-inspector);background:var(--panel-bg);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(30px) saturate(180%);backdrop-filter:blur(30px) saturate(180%);border-radius:20px;display:flex;flex-direction:column;box-shadow:0 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var(--primary-glow)}.inspector-content{flex:1;overflow-y:auto;padding:18px}.panel-section{margin-bottom:22px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title{font-size:11px;font-weight:800;letter-spacing:1px;color:var(--text-secondary)}.section-meta{font-size:11px;color:var(--text-muted)}.palette-chips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.palette-chip{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-pill);padding:6px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--text-secondary);font-family:var(--font);transition:background-color var(--dur-hover) ease,border-color var(--dur-hover) ease,color var(--dur-hover) ease,box-shadow var(--dur-hover) ease,transform var(--dur-press) var(--ease-out)}.palette-chip:hover{background:#ffffff1a;border-color:var(--primary);color:#fff;transform:translateY(-1px)}.palette-dot-bar{width:38px;height:6px;border-radius:3px;display:block}.empty-notice{padding:14px 12px;border:1px dashed var(--panel-border);border-radius:10px;color:var(--text-muted);font-size:11px;line-height:1.5;text-align:center}.empty-notice 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ease}.studio-slider::-webkit-slider-thumb:hover{transform:scale(1.25)}.control-row.color-control{flex-direction:row;align-items:center;justify-content:space-between}.color-input-wrapper{display:flex;align-items:center;gap:8px}.color-picker-input{-webkit-appearance:none;border:none;width:28px;height:28px;border-radius:8px;cursor:pointer;background:transparent;padding:0;font-family:var(--font)}.color-picker-input::-webkit-color-swatch-wrapper{padding:0}.color-picker-input::-webkit-color-swatch{border:1px solid rgba(255,255,255,.25);border-radius:8px}.color-hex-input{background:var(--input-bg);border:1px solid var(--input-border);color:var(--text-primary);font-family:monospace;font-size:11px;padding:5px 8px;border-radius:8px;width:76px;text-transform:uppercase}.studio-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:var(--input-bg);background-image:linear-gradient(45deg,transparent 50%,var(--text-secondary) 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ease}.cp-delete-btn:hover:not(:disabled){background:#ffffff1f;border-color:var(--primary);color:var(--primary)}.snapshot-btn-row{display:flex;gap:8px}.embed-textarea{width:100%;height:72px;background:#00000080;border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:8px;color:#e2e8f0;font-family:monospace;font-size:11px;resize:none;outline:none}.bg-mode-row{display:grid;grid-template-columns:1fr 1fr;gap:6px}.bg-mode-btn{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--text-secondary);font-family:var(--font);font-size:11px;font-weight:600;padding:8px;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--dur-hover) ease,border-color var(--dur-hover) ease,color var(--dur-hover) ease,box-shadow var(--dur-hover) ease,transform var(--dur-press) 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