:root{--bg: #000000;--surface: rgba(0, 0, 0, .72);--surface-solid: #0A0A0A;--border: rgba(255, 255, 255, .08);--text: #FFFFFF;--text-secondary: #BBBBBB;--text-tertiary: #777777;--accent: #FA660F;--accent-dim: rgba(250, 102, 15, .08);--panel-border: rgba(250, 102, 15, .12);--panel-glow: 0 0 30px rgba(250, 102, 15, .03);color:var(--text);background:var(--bg);font-family:SF Pro Display,Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{background:#000}button,input,textarea{font:inherit}.hud-shell{position:fixed;inset:0;pointer-events:none;z-index:1}.hud-shell canvas{pointer-events:auto}.hud{position:absolute;pointer-events:auto;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.hud-banner{top:14px;left:50%;transform:translate(-50%);text-align:center;z-index:5;white-space:nowrap}.hud-title{font-size:1.2rem;font-weight:500;letter-spacing:.02em;line-height:1.3;text-shadow:0 2px 12px rgba(0,0,0,.8)}.hud-powered{font-size:.65rem;color:var(--accent);text-transform:uppercase;letter-spacing:.15em;opacity:.7}.hud-left-panel{top:16px;left:16px;bottom:16px;width:310px;display:flex;flex-direction:column;background:var(--surface-solid);border:1px solid var(--panel-border);border-radius:10px;overflow:hidden;box-shadow:var(--panel-glow)}.left-panel-controls{display:flex;flex-shrink:0;border-bottom:1px solid var(--panel-border)}.timeline-vertical{flex:1;overflow-y:auto;padding:6px 0;scrollbar-width:thin;scrollbar-color:rgba(250,102,15,.15) transparent}.timeline-vertical::-webkit-scrollbar{width:3px}.timeline-vertical::-webkit-scrollbar-thumb{background:#fa660f33;border-radius:2px}.tl-item{display:flex;align-items:center;gap:12px;width:calc(100% - 18px);padding:8px 16px;background:none;border:none;border-left:2px solid rgba(255,255,255,.04);margin-left:18px;cursor:pointer;transition:background .12s,border-color 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rgba(250,102,15,.1);font-size:.72rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.1em}.legend-hint{font-size:.55rem;color:var(--text-tertiary);font-weight:400;letter-spacing:.05em;text-transform:none}.legend-close{background:none;border:none;color:var(--text-tertiary);font-size:.7rem;cursor:pointer;padding:2px}.legend-close:hover{color:var(--accent)}.legend-grid{padding:8px 14px 12px;display:flex;flex-direction:column;gap:0}.legend-item{display:grid;grid-template-columns:20px 72px 1fr;align-items:center;gap:8px;padding:7px 6px;border-radius:5px;cursor:default;transition:background .12s}.legend-item:hover,.legend-item.legend-active{background:#fa660f1a}.legend-item span:nth-child(2){font-size:.75rem;color:var(--text);font-weight:500}.legend-item:hover span:nth-child(2),.legend-item.legend-active span:nth-child(2){color:var(--accent)}.legend-desc{font-size:.62rem;color:var(--text-tertiary)}.legend-controls{display:grid;grid-template-columns:auto 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transparent}.hud-whatif-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.whatif-title{font-size:.82rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.1em}.reset-button{background:transparent;border:1px solid var(--accent);color:var(--accent);font-size:.7rem;padding:4px 12px;border-radius:4px;cursor:pointer;text-transform:uppercase;letter-spacing:.06em}.reset-button:hover{background:#fa660f1a}.slider-row{padding:6px 0}.slider-row.overridden .slider-label,.slider-row.overridden .slider-value{color:var(--accent)}.slider-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}.slider-label{font-size:.82rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.slider-value{font-size:.88rem;font-weight:500;font-variant-numeric:tabular-nums}.slider-unit{font-size:.68rem;color:var(--text-tertiary);margin-left:2px}.slider-row input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;background:#fa660f1f;border-radius:2px;outline:none;cursor:pointer}.slider-row.overridden input[type=range]{background:#fa660f40}.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--text);border:none;cursor:pointer}.slider-row.overridden input[type=range]::-webkit-slider-thumb{background:var(--accent)}.slider-row input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--text);border:none;cursor:pointer}.slider-row.overridden input[type=range]::-moz-range-thumb{background:var(--accent)}.narration-bar{position:fixed;bottom:20px;left:340px;right:360px;display:flex;align-items:flex-start;gap:14px;padding:16px 20px;background:#080808eb;border:1px solid rgba(250,102,15,.18);border-radius:12px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);pointer-events:auto;z-index:10;max-height:150px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(250,102,15,.15) transparent;animation:narration-in .3s ease-out}@keyframes narration-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.narration-content{flex:1;min-width:0}.narration-label{display:block;font-size:.78rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px}.narration-text{font-size:.9rem;line-height:1.6;color:var(--text-secondary);margin:0}.narration-close{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:none;border:1px solid rgba(255,255,255,.1);border-radius:50%;color:var(--text-tertiary);font-size:.72rem;cursor:pointer;transition:border-color .12s,color 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