:root{--bg-base:#0a0b10;--bg-surface:#0e0f15;--bg-panel:#12141cd1;--bg-sunken:#0a0b1080;--bg-input:#181b2599;--bg-input-hover:#1f212eb3;--bg-input-active:#252837cc;--border:#272935;--border-strong:#383c4c;--border-input:#23252f;--text:#e9e9ed;--text-secondary:#a7a9b4;--text-muted:#717484;--text-disabled:#464853;--accent:#479ef5;--accent-hover:#64adf7;--accent-dim:#1f66ad40;--accent-bg:#479ef51f;--success:#3adf76;--warning:#fab338;--danger:#ea5353;--info:var(--accent);--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--r-1:3px;--r-2:6px;--r-3:8px;--r-4:12px;--font-sans:ui-sans-serif, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;--fs-xs:10px;--fs-sm:11px;--fs-md:12px;--fs-lg:13px;--fs-xl:15px;--lh-tight:1.2;--lh-base:1.4;--shadow-1:0 1px 2px #0003;--shadow-2:0 4px 12px #0000004d;--shadow-3:0 8px 24px #0006;--t-fast:90ms;--t-med:.16s;--ease:cubic-bezier(.4, 0, .2, 1);--panel-w:520px;--panel-w-collapsed:36px;--topbar-h:40px;--bottombar-h:32px;--blur:14px;--panel-bg:var(--bg-panel);--panel-border:var(--border);--panel-radius:var(--r-3);--panel-blur:var(--blur);--section-border:var(--border);--text-primary:var(--text);--text-label:var(--text-secondary);--text-value:var(--text);--slider-track:var(--bg-input);--btn-bg:var(--bg-input);--btn-hover:var(--bg-input-hover);--btn-active:var(--accent-bg)}.panel *{box-sizing:border-box}.panel ::-webkit-scrollbar{width:6px;height:6px}.panel ::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}.panel ::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.panel ::-webkit-scrollbar-track{background:0 0}:root{--panel-bg:#0a0a14c7;--panel-border:#ffffff14;--panel-radius:10px;--panel-blur:12px;--text-primary:#e0e0e0;--text-secondary:#999;--text-label:#666;--text-value:#ccc;--accent:#6366f1;--accent-hover:#818cf8;--accent-dim:#6366f126;--danger:#ef4444;--success:#4ade80;--warning:#fbbf24;--info:#60a5fa;--btn-bg:#ffffff0f;--btn-hover:#ffffff1f;--btn-active:#6366f140;--slider-track:#ffffff1a;--slider-fill:var(--accent);--section-border:#ffffff0d;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"SF Mono", "Cascadia Code", "Consolas", monospace}@media (prefers-color-scheme:light){:root{--panel-bg:#f5f5fae0;--panel-border:#00000014;--text-primary:#1a1a2e;--text-secondary:#555;--text-label:#888;--text-value:#333;--btn-bg:#0000000a;--btn-hover:#00000014;--slider-track:#0000001a;--section-border:#0000000f}}#ui-overlay{z-index:10;pointer-events:none;font-family:var(--font-sans);color:var(--text-primary);font-size:12px;position:fixed;inset:0}.panel{pointer-events:auto;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--panel-radius);-webkit-backdrop-filter:blur(var(--panel-blur));flex-direction:column;max-height:calc(100vh - 80px);display:flex;position:absolute;overflow:hidden}.panel-header{cursor:pointer;user-select:none;border-bottom:1px solid var(--section-border);letter-spacing:.5px;text-transform:uppercase;color:var(--text-secondary);justify-content:space-between;align-items:center;padding:8px 12px;font-size:11px;font-weight:600;display:flex}.panel-header:hover{background:var(--btn-hover)}.panel-header .chevron{font-size:10px;transition:transform .2s}.panel.collapsed .panel-header .chevron{transform:rotate(-90deg)}.panel-body{scrollbar-width:thin;scrollbar-color:#ffffff1a transparent;padding:8px 12px 12px;overflow-y:auto}.panel.collapsed .panel-body{display:none}.ctrl-row{justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;display:flex}.ctrl-label{color:var(--text-label);white-space:nowrap;min-width:70px;font-size:11px}.ctrl-value{color:var(--text-value);font-variant-numeric:tabular-nums;text-align:right;min-width:36px;font-size:11px}input[type=range]{appearance:none;background:var(--slider-track);cursor:pointer;border-radius:2px;outline:none;flex:1;height:4px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:12px;height:12px}input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:12px;height:12px}.toggle{background:var(--slider-track);cursor:pointer;border-radius:8px;flex-shrink:0;width:32px;height:16px;position:relative}.toggle:after{content:"";background:var(--text-secondary);border-radius:50%;width:12px;height:12px;transition:transform .15s,background .15s;position:absolute;top:2px;left:2px}.toggle.on{background:var(--accent-dim)}.toggle.on:after{background:var(--accent);transform:translate(16px)}.btn{pointer-events:auto;background:var(--btn-bg);border:1px solid var(--panel-border);color:var(--text-primary);cursor:pointer;user-select:none;white-space:nowrap;border-radius:6px;padding:4px 10px;font-size:11px;transition:background .1s}.btn:hover{background:var(--btn-hover)}.btn.active{background:var(--btn-active);border-color:var(--accent);color:var(--accent)}.btn-group{gap:2px;display:flex}.btn-group .btn{border-radius:0}.btn-group .btn:first-child{border-radius:6px 0 0 6px}.btn-group .btn:last-child{border-radius:0 6px 6px 0}.section-divider{background:var(--section-border);height:1px;margin:8px 0}.section-title{letter-spacing:.5px;text-transform:uppercase;color:var(--text-label);cursor:pointer;user-select:none;margin:8px 0 4px;font-size:10px;font-weight:600}.top-bar{background:var(--panel-bg);border-bottom:1px solid var(--panel-border);backdrop-filter:blur(var(--panel-blur));pointer-events:auto;align-items:center;gap:8px;padding:8px 12px;display:flex;position:absolute;top:0;left:0;right:0}.bottom-bar{background:var(--panel-bg);border-top:1px solid var(--panel-border);backdrop-filter:blur(var(--panel-blur));pointer-events:auto;font-variant-numeric:tabular-nums;align-items:center;gap:12px;padding:6px 12px;display:flex;position:absolute;bottom:0;left:0;right:0}.toast-container{z-index:100;pointer-events:none;flex-direction:column;gap:6px;display:flex;position:fixed;bottom:50px;left:50%;transform:translate(-50%)}.toast{backdrop-filter:blur(8px);pointer-events:auto;border-radius:8px;padding:8px 16px;font-size:12px;animation:.2s ease-out toast-in}.toast.info{color:var(--info);background:#60a5fa33;border:1px solid #60a5fa4d}.toast.warning{color:var(--warning);background:#fbbf2433;border:1px solid #fbbf244d}.toast.error{color:var(--danger);background:#ef444433;border:1px solid #ef44444d}@keyframes 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.4s;display:flex;position:fixed;inset:0}.loading-screen.hidden{opacity:0;pointer-events:none}.loading-title{color:#fff;margin-bottom:16px;font-size:24px;font-weight:600}.loading-stage{color:var(--text-secondary);margin-bottom:12px;font-size:13px}.loading-bar{background:var(--slider-track);border-radius:2px;width:200px;height:3px;overflow:hidden}.loading-bar-fill{background:var(--accent);height:100%;transition:width .3s}.modal-overlay{z-index:150;backdrop-filter:blur(4px);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-overlay.hidden{display:none}.modal{background:var(--panel-bg);border:1px solid var(--panel-border);backdrop-filter:blur(16px);border-radius:12px;width:90%;max-width:480px;padding:24px}.modal h2{color:#fff;margin-bottom:16px;font-size:16px}.modal table{width:100%}.modal td{padding:3px 8px;font-size:12px}.modal td:first-child{color:var(--accent);font-family:var(--font-mono)}.modal td:last-child{color:var(--text-secondary)}.debug-panel{pointer-events:auto;width:220px;position:absolute;bottom:40px;right:8px}.debug-panel.hidden{display:none}.debug-row{justify-content:space-between;padding:1px 0;font-size:11px;display:flex}.debug-row .label{color:var(--text-label)}.debug-row .value{color:var(--text-value);font-family:var(--font-mono)}.pnl{pointer-events:auto;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-3);-webkit-backdrop-filter:blur(var(--blur));box-shadow:var(--shadow-2);max-height:calc(100vh - 88px);width:var(--panel-w);font-family:var(--font-sans);font-size:var(--fs-md);color:var(--text);transition:width var(--t-med) var(--ease);flex-direction:column;display:flex;position:absolute;overflow:visible}.pnl.collapsed{width:var(--panel-w-collapsed)}.pnl-header{padding:var(--sp-2) var(--sp-3);background:var(--bg-surface);border-bottom:1px solid var(--border);cursor:pointer;user-select:none;justify-content:space-between;align-items:center;min-height:32px;display:flex}.pnl-title{font-size:var(--fs-sm);letter-spacing:.4px;text-transform:uppercase;color:var(--text-secondary);font-weight:600}.pnl.collapsed .pnl-title{display:none}.pnl-chev{color:var(--text-muted);font-size:var(--fs-xs);transition:transform var(--t-fast) var(--ease)}.pnl.collapsed .pnl-chev{transform:rotate(-90deg)}.pnl-body{padding:var(--sp-2);overflow:visible auto}.pnl.collapsed .pnl-body{display:none}.sec{border-radius:var(--r-2);margin-bottom:var(--sp-1);flex-direction:column;display:flex}.sec-header{align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-2);color:var(--text-secondary);cursor:pointer;user-select:none;font-family:inherit;font-size:var(--fs-sm);text-align:left;border-radius:var(--r-1);transition:background var(--t-fast) var(--ease);background:0 0;border:none;outline:none;font-weight:500;display:flex}.sec-header:hover{background:var(--bg-input);color:var(--text)}.sec-header:focus-visible{background:var(--bg-input);color:var(--text);box-shadow:0 0 0 1px var(--accent-dim)}.sec-chev{color:var(--text-muted);width:10px;transition:transform var(--t-fast) var(--ease);flex-shrink:0;font-size:9px}.sec.collapsed .sec-chev{transform:rotate(-90deg)}.sec-title{letter-spacing:.2px;flex:1}.sec-count{color:var(--text-muted);font-size:var(--fs-xs);font-family:var(--font-mono)}.sec-body{padding:var(--sp-1) var(--sp-2) var(--sp-2) var(--sp-3)}.sec.collapsed .sec-body{display:none}.topbar-v2{align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-3);background:var(--bg-panel);border-bottom:1px solid var(--border);backdrop-filter:blur(var(--blur));pointer-events:auto;height:var(--topbar-h);z-index:20;display:flex;position:absolute;top:0;left:0;right:0}.topbar-v2 .spacer{flex:1}.topbar-v2 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var(--ease);margin-left:2px;font-size:10px}.topbar-v2 .tb-preset-btn[aria-expanded=true] .tb-preset-caret{color:var(--accent);transform:rotate(180deg)}.topbar-v2 .tb-preset-menu{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-2);min-width:160px;backdrop-filter:blur(var(--blur));opacity:0;visibility:hidden;transition:opacity .12s var(--ease), transform .12s var(--ease), visibility 0s linear .12s;z-index:60;flex-direction:column;padding:4px;display:flex;position:absolute;top:calc(100% + 6px);left:0;transform:translateY(-4px);box-shadow:0 8px 24px -6px #0000008c,inset 0 0 0 1px #ffffff05}.topbar-v2 .tb-preset-menu.open{opacity:1;visibility:visible;transition-delay:0s;transform:translateY(0)}.topbar-v2 .tb-preset-item{text-align:left;border-radius:var(--r-1);width:100%;color:var(--text-secondary);font-family:var(--font-sans);font-size:var(--fs-sm);cursor:pointer;transition:background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);background:0 0;border:none;padding:6px 10px;display:block}.topbar-v2 .tb-preset-item:hover{background:var(--bg-input-hover);color:var(--text)}.topbar-v2 .tb-preset-item:focus-visible{background:var(--accent-bg);color:var(--accent);outline:none}.topbar-v2 .tb-icon-btn{border-radius:var(--r-2);width:28px;height:26px;color:var(--text-secondary);cursor:pointer;transition:background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}.topbar-v2 .tb-icon-btn svg{display:block}.topbar-v2 .tb-icon-btn:hover{background:var(--bg-input-hover);border-color:var(--border);color:var(--text)}.topbar-v2 .tb-icon-btn:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim);outline:none}.topbar-v2 .tb-icon-btn.audio-muted{color:var(--text-muted)}.topbar-v2 .tb-icon-btn.recording{color:var(--danger);animation:1s infinite 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0;display:grid}.ctl-label{font-size:var(--fs-sm);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;letter-spacing:0;overflow:hidden}.ctl-label[data-tooltip]{cursor:help;border-bottom:1px dotted var(--border-strong);overflow:visible}.ctl-label[data-tooltip]:after{width:max-content;max-width:220px;white-space:normal!important;left:0!important;transform:translate(0)translateY(-4px)!important}.ctl-label[data-tooltip]:before{left:10px!important;transform:none!important}.ctl-label[data-tooltip]:hover:after,.ctl-label[data-tooltip]:focus-visible:after{transform:translate(0)translateY(0)!important}.ctl-label[data-hotkey]:after{content:attr(data-hotkey);margin-left:var(--sp-2);color:var(--text-muted);font-family:var(--font-mono);font-size:var(--fs-xs);background:var(--bg-sunken);border:1px solid var(--border);border-radius:var(--r-1);opacity:0;transition:opacity var(--t-fast) var(--ease);padding:1px 4px}.ctl:hover .ctl-label[data-hotkey]:after{opacity:1}.ctl-body{align-items:center;gap:var(--sp-2);min-width:0;display:flex}.ctl-slider{appearance:none;cursor:ew-resize;background:0 0;outline:none;flex:1;min-width:0;height:16px;margin:0}.ctl-slider::-webkit-slider-runnable-track{background:var(--border-strong);border-radius:1px;height:2px}.ctl-slider::-moz-range-track{background:var(--border-strong);border-radius:1px;height:2px}.ctl-slider::-webkit-slider-thumb{appearance:none;background:var(--text);width:10px;height:10px;transition:transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);border-radius:50%;margin-top:-4px}.ctl-slider::-moz-range-thumb{background:var(--text);width:10px;height:10px;transition:transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);border:none;border-radius:50%}.ctl-slider:hover::-webkit-slider-thumb{background:var(--accent);transform:scale(1.3)}.ctl-slider:focus-visible::-webkit-slider-thumb{background:var(--accent);transform:scale(1.3)}.ctl-slider:hover::-moz-range-thumb{background:var(--accent);transform:scale(1.3)}.ctl-slider:focus-visible::-moz-range-thumb{background:var(--accent);transform:scale(1.3)}.ctl-slider:focus-visible{outline:none}.ctl-num{cursor:ew-resize;touch-action:none;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--r-1);width:64px;color:var(--text);font-family:var(--font-mono);font-size:var(--fs-sm);text-align:right;font-variant-numeric:tabular-nums;appearance:textfield;flex-shrink:0;padding:1px 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var(--ease);border-radius:50%;position:absolute;top:2px;left:2px}.ctl-toggle[aria-checked=true]{background:var(--accent-bg)}.ctl-toggle[aria-checked=true]:after{background:var(--accent);transform:translate(10px)}.ctl-toggle:hover{background:var(--bg-input-hover)}.ctl-toggle[aria-checked=true]:hover{background:var(--accent-dim)}.ctl-toggle:focus-visible{box-shadow:0 0 0 2px var(--accent-dim)}.ctl-dropdown{background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--r-1);color:var(--text);font-family:var(--font-sans);font-size:var(--fs-sm);cursor:pointer;appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);background-position:calc(100% - 10px),calc(100% - 6px);background-repeat:no-repeat;background-size:4px 4px,4px 4px;flex:1;padding:2px 20px 2px 6px}.ctl-dropdown:hover{background-color:var(--bg-input-hover)}.ctl-dropdown:focus{border-color:var(--accent);outline:none}.ctl-color{border:1px solid var(--border-input);border-radius:var(--r-1);cursor:pointer;appearance:none;background:0 0;width:28px;height:18px;padding:0}.ctl-color::-webkit-color-swatch-wrapper{padding:0}.ctl-color::-webkit-color-swatch{border:none;border-radius:2px}.ctl-color::-moz-color-swatch{border:none;border-radius:2px}.ctl-color:hover{border-color:var(--border-strong)}.ctl-color:focus-visible{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim);outline:none}.ctl-btn{background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--r-2);color:var(--text);font-family:var(--font-sans);font-size:var(--fs-sm);cursor:pointer;white-space:nowrap;transition:background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);justify-content:center;align-items:center;gap:var(--sp-1);outline:none;height:26px;padding:4px 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.ctl-num{text-align:center;width:100%;min-width:0;padding:1px 2px;font-size:10px}.ctl-file{font-size:var(--fs-xs);color:var(--text-muted);flex:1;min-width:0}.ctl-file::file-selector-button{background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--r-1);color:var(--text);font-size:var(--fs-sm);cursor:pointer;margin-right:var(--sp-2);padding:2px 6px}.ctl-file::file-selector-button:hover{background:var(--bg-input-hover)}.wind-gizmo{left:var(--sp-3,12px);bottom:calc(var(--bottombar-h,32px) + var(--sp-3,12px));z-index:50;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-2);backdrop-filter:blur(var(--blur));user-select:none;touch-action:none;transition:opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);flex-direction:column;align-items:center;gap:4px;padding:8px 10px 6px;display:flex;position:fixed;box-shadow:0 6px 16px -4px #00000080}.wind-gizmo.hidden{opacity:0;pointer-events:none;transform:translateY(8px)}.wg-title{font-size:var(--fs-xs);letter-spacing:.6px;text-transform:uppercase;color:var(--text-muted);font-weight:600}.wg-svg{cursor:grab;display:block}.wg-svg:active{cursor:grabbing}.wg-disc-bg{fill:var(--bg-sunken,#00000059);stroke:var(--border-strong);stroke-width:1px}.wg-axis-line{stroke-width:1.3px;pointer-events:none}.wg-axis-line.x{stroke:#e75a5a}.wg-axis-line.y{stroke:#6fd36f}.wg-axis-line.z{stroke:#5a8cff}.wg-axis-line.faded{opacity:.3;stroke-dasharray:2 2}.wg-axis-dot{pointer-events:none}.wg-axis-dot.x{fill:#e75a5a}.wg-axis-dot.y{fill:#6fd36f}.wg-axis-dot.z{fill:#5a8cff}.wg-axis-dot.faded{opacity:.3}.wg-axis-lbl{font-size:8px;font-family:var(--font-mono);pointer-events:none;font-weight:700}.wg-axis-lbl.x{fill:#e75a5a}.wg-axis-lbl.y{fill:#6fd36f}.wg-axis-lbl.z{fill:#5a8cff}.wg-axis-lbl.faded{fill:#0000}.wg-arrow{stroke:var(--accent);stroke-width:2.5px;stroke-linecap:round;pointer-events:none}.wg-head{fill:var(--accent);stroke:var(--bg-panel);stroke-width:1.5px;pointer-events:none}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{color:#e0e0e0;background:#06060f;width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}#canvas{width:100vw;height:100vh;display:block}#fallback{z-index:100;text-align:center;background:linear-gradient(#06060f 0%,#12081f 100%);flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:none;position:fixed;inset:0}#fallback.visible{display:flex}#fallback h1{color:#fff;margin-bottom:1rem;font-size:2rem;font-weight:600}#fallback p{color:#aaa;max-width:500px;margin-bottom:2rem;font-size:1.1rem;line-height:1.6}#fallback .browsers{flex-wrap:wrap;justify-content:center;gap:1.5rem;display:flex}#fallback .browsers a{color:#ccc;background:#ffffff14;border:1px solid #ffffff26;border-radius:8px;padding:.6rem 1.2rem;font-size:.9rem;text-decoration:none;transition:background .2s;display:inline-block}#fallback .browsers a:hover{color:#fff;background:#ffffff26}