*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0B0F1A;--bg-secondary: #111827;--bg-tertiary: #1F2937;--accent: #6366F1;--accent-hover: #818CF8;--accent-active: #4F46E5;--accent-secondary: #F59E0B;--text-primary: #E5E7EB;--text-secondary: #9CA3AF;--border: #374151;--border-hover: #4B5563;--border-active: #6366F1;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--success: #34D399;--warning: #FBBF24;--danger: #F87171;--info: #818CF8;--font-size-sm: 12px;--font-size-base: 13px;--font-size-md: 14px;--font-size-lg: 16px}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);font-family:Geist Sans,Geist,system-ui,-apple-system,sans-serif;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;touch-action:manipulation;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}button,.demo-item,input,select,[role=button]{-webkit-tap-highlight-color:transparent;touch-action:manipulation}#app{display:flex;width:100%;height:100%}#sidebar{width:260px;min-width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}#sidebar::-webkit-scrollbar{width:6px}#sidebar::-webkit-scrollbar-track{background:transparent}#sidebar::-webkit-scrollbar-thumb{background:var(--border, #374151);border-radius:3px}#sidebar::-webkit-scrollbar-thumb:hover{background:var(--border-hover, #4B5563)}#sidebar-header{padding:20px;border-bottom:1px solid var(--border);position:relative}#sidebar-header h1{font-size:18px;font-weight:600;color:var(--accent);margin-bottom:4px}#sidebar-header p{font-size:12px;color:var(--text-secondary)}.demo-category{padding:16px 20px 8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.category-count{font-weight:400;opacity:.6;margin-left:4px}.demo-list{list-style:none}.demo-item{display:block;padding:12px 20px;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast);border-left:3px solid transparent;margin:2px 8px 2px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0}.demo-item:hover{background:var(--bg-tertiary);transform:translate(4px) scale(1.01);box-shadow:var(--shadow-sm)}.demo-item.active{background:var(--bg-tertiary);border-left-color:var(--accent)}.demo-item-title{font-size:14px;font-weight:500;margin-bottom:2px;transition:color var(--transition-fast)}.demo-item:hover .demo-item-title{color:var(--text-primary)}.demo-item.active .demo-item-title{color:var(--accent)}.demo-item-desc{font-size:11px;color:var(--text-secondary)}#sidebar-search{padding:12px 16px;border-bottom:1px solid var(--border)}#sidebar-search input{width:100%;padding:8px 12px 8px 32px;background-color:#ffffff0d;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}#sidebar-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126}#sidebar-search input::placeholder{color:var(--text-secondary)}.search-wrapper{position:relative}.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none;transition:color var(--transition-fast)}#sidebar-search input:focus~.search-icon,.search-wrapper:focus-within .search-icon{color:var(--accent)}#sidebar-collapse{position:absolute;top:18px;right:16px;padding:4px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);line-height:1}#sidebar-collapse:hover{color:var(--accent);background:var(--bg-tertiary);border-color:var(--border)}.demo-item.search-hidden,.demo-category.search-hidden{display:none}.no-results{padding:20px;font-size:13px;color:var(--text-secondary);text-align:center;display:none}.no-results.visible{display:block}#main{flex:1;display:flex;flex-direction:column;overflow:hidden}#toolbar{height:48px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px}#demo-title{font-size:16px;font-weight:500}#home-btn{display:none;padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);align-items:center;justify-content:center;min-height:auto}#home-btn:hover{color:var(--accent);border-color:var(--accent)}#home-btn svg{display:block}#stats{margin-left:auto;font-size:12px;font-family:Geist Mono,monospace;color:var(--text-secondary)}#stats span{margin-left:16px;padding:4px 8px;background:#ffffff0d;border-radius:var(--radius-sm);transition:background var(--transition-fast)}#stats span:hover{background:#ffffff1a}#controls-toggle{display:none;margin-left:auto;padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);align-items:center;justify-content:center}#controls-toggle:hover{color:var(--accent);border-color:var(--accent)}#controls-toggle.active{background:#6366f11a;color:var(--accent);border-color:var(--accent)}#controls-toggle svg{display:block}#content{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;position:relative;overflow:hidden;min-height:0}#canvas{display:block;background:var(--bg-primary, #0B0F1A);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-smooth:always;image-rendering:auto;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;transition:opacity .3s ease}#canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;box-shadow:0 0 0 4px #6366f133}#canvas:focus:not(:focus-visible){outline:none}.focus-indicator{font-size:11px;font-weight:600;color:var(--accent);background:#6366f11a;padding:2px 8px;border-radius:var(--radius-sm);white-space:nowrap}[data-theme=light] .focus-indicator{background:#4f46e514}.canvas-focus-overlay{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:none;align-items:center;justify-content:center;z-index:10;cursor:pointer;pointer-events:none}.canvas-focus-overlay.visible{display:flex;pointer-events:auto;animation:focusOverlayFadeIn var(--transition-normal) ease-out}.canvas-focus-overlay-text{font-size:12px;font-weight:600;color:#ffffffe6;background:#0009;padding:6px 16px;border-radius:20px;border:1px solid rgba(255,255,255,.18);letter-spacing:.3px;pointer-events:none;user-select:none;white-space:nowrap;animation:focusIndicatorPulse 2s ease-in-out infinite}@keyframes focusOverlayFadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes focusIndicatorPulse{0%,to{box-shadow:0 0 #fff0}50%{box-shadow:0 0 0 4px #ffffff14}}[data-theme=light] .canvas-focus-overlay-text{color:#fffffff2;background:#1e1e1eb3;border-color:#fff3}#controls{position:absolute;top:20px;right:20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;min-width:220px;max-width:300px;max-height:calc(100vh - 140px);overflow-y:auto;display:none;z-index:100;pointer-events:auto;box-shadow:var(--shadow-md);transition:opacity var(--transition-normal),transform var(--transition-normal)}#controls.visible{display:block;animation:slideIn var(--transition-normal) ease-out}#controls.visible.hidden{display:none}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(20px)}}#controls::-webkit-scrollbar{width:6px}#controls::-webkit-scrollbar-track{background:#ffffff05;border-radius:3px}#controls::-webkit-scrollbar-thumb{background:var(--border, #374151);border-radius:3px}#controls::-webkit-scrollbar-thumb:hover{background:var(--border-hover, #4B5563)}#controls h3{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:12px}.control-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;font-size:13px}.control-row label{color:var(--text-secondary, #9CA3AF);font-weight:500;white-space:nowrap}input[type=text],input[type=number],select{background-color:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:var(--text-primary, #E5E7EB);padding:8px 12px;border-radius:var(--radius-md, 8px);font-size:var(--font-size-base, 13px);transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1));outline:none}input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126;background-color:#ffffff14}input[type=text]:hover,input[type=number]:hover,select:hover{border-color:#fff3}input[type=text]::placeholder,input[type=number]::placeholder{color:#ffffff4d}select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8aa0' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;cursor:pointer}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:#ffffff1a;outline:none;margin:4px 0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent, #6366F1);cursor:pointer;transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1));box-shadow:0 2px 6px #6366f166;border:none}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 0 12px #6366f180}input[type=range]::-webkit-slider-thumb:active{transform:scale(1.05)}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent, #6366F1);cursor:pointer;transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1));box-shadow:0 2px 6px #6366f166;border:none}input[type=range]::-moz-range-thumb:hover{transform:scale(1.15);box-shadow:0 0 12px #6366f180}input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:#ffffff1a}input[type=range]:focus{outline:none}input[type=range]:focus::-webkit-slider-thumb{box-shadow:0 0 0 3px #6366f133,0 2px 6px #6366f166}input[type=checkbox]{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:var(--radius-sm, 4px);background:#ffffff0d;border:1px solid rgba(255,255,255,.15);cursor:pointer;position:relative;transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1));flex-shrink:0}input[type=checkbox]:hover{border-color:#ffffff4d;background:#ffffff14}input[type=checkbox]:checked{background:var(--accent, #6366F1);border-color:var(--accent, #6366F1)}input[type=checkbox]:checked:after{content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}input[type=checkbox]:focus{box-shadow:0 0 0 3px #6366f133;outline:none}input[type=color]{-webkit-appearance:none;appearance:none;width:36px;height:28px;padding:0;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md, 8px);background:#ffffff0d;cursor:pointer;overflow:hidden;transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1))}input[type=color]::-webkit-color-swatch-wrapper{padding:2px}input[type=color]::-webkit-color-swatch{border:none;border-radius:4px}input[type=color]::-moz-color-swatch{border:none;border-radius:4px}input[type=color]:hover{border-color:#ffffff40;box-shadow:0 2px 8px #0000004d}input[type=color]:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126;outline:none}button{background:var(--accent);color:#fff;border:none;padding:10px 18px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;transition:all var(--transition-fast)}button:hover{background:var(--accent-hover)}button:active{background:var(--accent-active)}button:focus{outline:none;box-shadow:0 0 0 3px #6366f14d}button:disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none}button.secondary{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);box-shadow:none;color:var(--text-primary, #E5E7EB)}button.secondary:hover{background:#ffffff1a;box-shadow:0 2px 8px #0003;transform:translateY(-1px);filter:none}button.secondary:active{transform:translateY(0);background:#ffffff14}button.secondary:focus{box-shadow:0 0 0 3px #ffffff1a}button.small{padding:6px 12px;font-size:var(--font-size-sm, 12px);border-radius:var(--radius-md, 8px)}#controls hr{border:none;height:1px;background:var(--border);margin:16px 0}.control-section-header{display:flex;align-items:center;gap:8px;cursor:pointer;padding:10px 0 6px;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:12px;user-select:none;transition:all var(--transition-fast, .15s cubic-bezier(.4, 0, .2, 1))}.control-section-header:hover{border-bottom-color:var(--accent)}.control-section-header:hover .section-arrow{color:var(--accent-hover)}.section-arrow{font-size:10px;color:var(--accent);transition:all var(--transition-normal, .25s cubic-bezier(.4, 0, .2, 1));display:inline-block}.section-arrow.collapsed{transform:rotate(-90deg)}.section-title{font-weight:600;font-size:11px;color:var(--text-primary);text-transform:uppercase;letter-spacing:.8px}.section-content{overflow:hidden;transition:all var(--transition-normal, .25s cubic-bezier(.4, 0, .2, 1))}.section-content.collapsed{display:none}#welcome{text-align:center;max-width:520px;padding:48px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);position:relative;z-index:1}.welcome-icon{font-size:48px;margin-bottom:16px;display:inline-block}#welcome h2{font-size:28px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}#welcome p{color:var(--text-secondary);line-height:1.7;margin-bottom:28px;font-size:15px}.welcome-features{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}.welcome-feature{padding:16px;background:#ffffff08;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.05);transition:background var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.welcome-feature:hover{background:#ffffff0f;border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.welcome-feature-icon{font-size:24px;margin-bottom:8px;display:block}.welcome-feature-label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.welcome-hint{margin-top:28px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-secondary)}.welcome-hint span{color:var(--accent);font-weight:500}.welcome-hint-link{color:var(--accent);font-weight:500;text-decoration:none;transition:color var(--transition-fast)}.welcome-hint-link:hover{color:var(--accent-hover);text-decoration:underline}#content:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 40%,rgba(99,102,241,.04) 0%,transparent 60%);pointer-events:none;z-index:0}#demo-description{padding:8px 20px;font-size:12px;color:var(--text-secondary);background:var(--bg-primary);border-bottom:1px solid var(--border);display:none;line-height:1.4}#demo-description.visible{display:flex;align-items:center;gap:12px}#demo-description .desc-text{flex:1}#demo-description .desc-badge{font-size:10px;padding:2px 8px;border-radius:10px;text-transform:uppercase;letter-spacing:.5px;font-weight:600;white-space:nowrap;flex-shrink:0}#demo-description .desc-badge.core{background:#6366f11f;color:var(--info, #818CF8);border:1px solid rgba(99,102,241,.25)}#demo-description .desc-badge.rendering{background:#34d3991f;color:var(--success, #34D399);border:1px solid rgba(52,211,153,.25)}#demo-description .desc-badge.physics{background:#fbbf241f;color:var(--warning, #FBBF24);border:1px solid rgba(251,191,36,.25)}#demo-description .desc-badge.combined{background:#818cf81f;color:var(--accent-hover, #818CF8);border:1px solid rgba(129,140,248,.25)}#demo-description .desc-badge.showcase{background:#f59e0b26;color:#f59e0b;border:1px solid rgba(245,158,11,.35)}.showcase-category{color:#f59e0b!important;font-weight:700!important}#loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-primary);z-index:50;opacity:1;transition:opacity .3s ease}#loading-overlay.fade-out{opacity:0;pointer-events:none}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:14px;color:var(--text-secondary);font-weight:500}#error-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);z-index:55;padding:24px}.error-card{max-width:520px;width:100%;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center}.error-icon{font-size:48px;margin-bottom:12px;color:var(--danger)}.error-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:12px}.error-message{font-size:13px;font-family:Geist Mono,monospace;color:var(--danger);background:#f8717114;border:1px solid rgba(248,113,113,.15);border-radius:var(--radius-sm);padding:12px;margin-bottom:12px;text-align:left;word-break:break-word;max-height:120px;overflow-y:auto}.error-stack{font-size:11px;font-family:Geist Mono,monospace;color:var(--text-secondary);background:#ffffff08;border-radius:var(--radius-sm);padding:10px;margin-bottom:12px;text-align:left;max-height:80px;overflow-y:auto;opacity:.7}.error-hint{font-size:13px;color:var(--success);margin-bottom:20px}.error-actions{display:flex;gap:12px;justify-content:center}#sidebar-toggle{display:none;position:fixed;top:8px;left:8px;z-index:1001;width:36px;height:36px;padding:0;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);line-height:1;align-items:center;justify-content:center}#sidebar-toggle:hover{background:var(--bg-tertiary)}#sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:999}@media (min-width: 769px){#sidebar{transition:width var(--transition-normal),min-width var(--transition-normal)}#sidebar.collapsed{width:0;min-width:0;overflow:hidden;border-right-color:transparent}}@media (max-width: 768px){#sidebar{position:fixed;top:0;left:0;height:100%;z-index:1000;transform:translate(-100%);transition:transform var(--transition-normal)}#sidebar.open{transform:translate(0)}#sidebar-overlay.open{display:block}#sidebar-toggle{display:flex;align-items:center;justify-content:center}#sidebar-collapse{display:none}#toolbar{padding-left:52px}#controls{max-width:260px;min-width:180px;top:auto;bottom:20px;max-height:50vh}#controls-toggle{display:flex}#welcome{max-width:90vw;padding:32px 24px}.welcome-features{grid-template-columns:1fr 1fr;gap:10px}}@media (max-width: 480px){#stats{display:flex;position:fixed;bottom:16px;left:16px;right:auto;margin:0;padding:0;gap:8px;z-index:200}#stats span{margin:0;padding:6px 10px;font-size:11px;background:#000000bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-md)}#controls{inset:auto 16px 70px;max-width:none;min-width:auto;max-height:35vh;font-size:12px;padding:12px;border-radius:var(--radius-md)}#controls-toggle{display:flex}.welcome-features{grid-template-columns:1fr}.demo-item{padding:16px 20px;min-height:56px}button{min-height:44px;padding:12px 18px}input[type=range]{height:8px}input[type=range]::-webkit-slider-thumb{width:24px;height:24px}input[type=range]::-moz-range-thumb{width:24px;height:24px}input[type=checkbox]{width:24px;height:24px}select{min-height:44px;padding:10px 12px}}#theme-toggle{padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}#theme-toggle:hover{color:var(--accent);border-color:var(--accent)}#theme-toggle svg{display:block}#theme-toggle .icon-moon,[data-theme=light] #theme-toggle .icon-sun{display:none}[data-theme=light] #theme-toggle .icon-moon{display:block}#settings-toggle{padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;margin-left:8px}#settings-toggle:hover{color:var(--accent);border-color:var(--accent)}#settings-toggle.active{background:#6366f11a;color:var(--accent);border-color:var(--accent)}#settings-toggle svg{display:block}[data-theme=light] #canvas{background:#0b0f1a}[data-theme=light] .demo-item:hover{background:var(--bg-tertiary)}[data-theme=light] #stats span{background:#0000000d}[data-theme=light] #stats span:hover{background:#0000001a}@media (max-width: 480px){[data-theme=light] #stats span{background:#ffffffe6;border-color:#0000001a;color:var(--text-primary)}}[data-theme=light] #controls-toggle.active{background:#4f46e514}[data-theme=light] input[type=text],[data-theme=light] input[type=number],[data-theme=light] select{background-color:#00000008;border-color:var(--border);color:var(--text-primary)}[data-theme=light] input[type=text]:focus,[data-theme=light] input[type=number]:focus,[data-theme=light] select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51f;background-color:#00000005}[data-theme=light] input[type=text]:hover,[data-theme=light] input[type=number]:hover,[data-theme=light] select:hover{border-color:var(--border-hover)}[data-theme=light] input[type=text]::placeholder,[data-theme=light] input[type=number]::placeholder{color:#0000004d}[data-theme=light] select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M2 4l4 4 4-4'/%3E%3C/svg%3E")}[data-theme=light] input[type=range]{background:#0000001a}[data-theme=light] input[type=range]::-webkit-slider-thumb{box-shadow:0 2px 6px #4f46e54d}[data-theme=light] input[type=range]::-moz-range-track{background:#0000001a}[data-theme=light] input[type=range]:focus::-webkit-slider-thumb{box-shadow:0 0 0 3px #4f46e526,0 2px 6px #4f46e54d}[data-theme=light] input[type=checkbox]{background:#00000008;border-color:var(--border)}[data-theme=light] input[type=checkbox]:hover{border-color:var(--border-hover);background:#0000000f}[data-theme=light] input[type=checkbox]:focus{box-shadow:0 0 0 3px #4f46e51f}[data-theme=light] input[type=color]{border-color:var(--border);background:#00000008}[data-theme=light] input[type=color]:hover{border-color:var(--border-hover);box-shadow:0 2px 8px #0000001f}[data-theme=light] input[type=color]:focus{box-shadow:0 0 0 3px #4f46e51f}[data-theme=light] button:focus{box-shadow:0 0 0 3px #4f46e533}[data-theme=light] button.secondary{background:#0000000a;border-color:var(--border);color:var(--text-primary)}[data-theme=light] button.secondary:hover{background:#00000014;box-shadow:0 2px 8px #00000014}[data-theme=light] button.secondary:active{background:#0000000f}[data-theme=light] button.secondary:focus{box-shadow:0 0 0 3px #0000000f}[data-theme=light] .control-section-header{border-bottom-color:#00000014}[data-theme=light] .welcome-feature{background:#00000005;border-color:var(--border)}[data-theme=light] .welcome-feature:hover{background:#0000000a}[data-theme=light] #content:before{background:radial-gradient(ellipse at 50% 40%,rgba(79,70,229,.04) 0%,transparent 60%)}[data-theme=light] #sidebar::-webkit-scrollbar-thumb,[data-theme=light] #controls::-webkit-scrollbar-thumb{background:var(--border)}[data-theme=light] #sidebar::-webkit-scrollbar-thumb:hover,[data-theme=light] #controls::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}[data-theme=light] #controls::-webkit-scrollbar-track{background:#00000005}[data-theme=light] #demo-description .desc-badge.core{background:#4f46e514;border-color:#4f46e533}[data-theme=light] #demo-description .desc-badge.rendering{background:#05966914;border-color:#05966933}[data-theme=light] #demo-description .desc-badge.physics{background:#d9770614;border-color:#d9770633}[data-theme=light] #demo-description .desc-badge.combined{background:#4f46e514;border-color:#4f46e533}[data-theme=light] #sidebar-overlay{background:#0000004d}[data-theme=light] #sidebar-search input{background-color:#00000008}[data-theme=light] #sidebar-search input:focus{box-shadow:0 0 0 3px #4f46e51f}html.theme-transitioning,html.theme-transitioning #sidebar,html.theme-transitioning #sidebar-header,html.theme-transitioning #sidebar-search,html.theme-transitioning #toolbar,html.theme-transitioning #demo-description,html.theme-transitioning #content,html.theme-transitioning #welcome,html.theme-transitioning #controls,html.theme-transitioning .demo-item,html.theme-transitioning .demo-category,html.theme-transitioning .welcome-feature,html.theme-transitioning #theme-toggle,html.theme-transitioning #controls-toggle,html.theme-transitioning #stats span{transition:background-color .2s ease,color .2s ease,border-color .2s ease!important}@media (max-width: 900px) and (orientation: landscape){#sidebar{width:220px;min-width:220px}#toolbar{height:40px}#demo-description{padding:6px 16px;font-size:11px}#content{padding:8px}#stats{position:fixed;bottom:8px;left:auto;right:8px;margin:0}#stats span{padding:4px 8px;font-size:10px}#controls{inset:8px 8px auto auto;max-width:200px;max-height:calc(100vh - 60px);font-size:11px;padding:10px}.welcome-features{grid-template-columns:repeat(2,1fr);gap:8px}#welcome{padding:24px;max-width:80vw}#welcome h2{font-size:22px}#welcome p{font-size:13px;margin-bottom:16px}}@media (max-width: 375px){#toolbar{padding:0 8px 0 44px;gap:8px}#demo-title{font-size:14px}#sidebar-toggle{width:32px;height:32px;top:6px;left:6px}#controls{left:8px;right:8px;bottom:60px;padding:10px}#stats{left:8px;bottom:12px;gap:6px}#stats span{padding:4px 8px;font-size:10px}.demo-item{padding:12px 16px}.demo-item-title{font-size:13px}.demo-item-desc{font-size:10px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}.welcome-icon{animation:none}.welcome-feature,.demo-item,button,input,select,.section-arrow,.control-section-header,#controls,#stats span{transition:none}button:hover,.demo-item:hover,input[type=range]::-webkit-slider-thumb:hover{transform:none}#controls.visible{animation:none}}.autotest-progress-bar{position:fixed;top:0;left:0;right:0;height:4px;z-index:10000;background:#ffffff1a;overflow:hidden}.autotest-progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--success),var(--accent));transition:width .3s ease;border-radius:0 2px 2px 0}.autotest-status{position:fixed;top:8px;right:16px;z-index:10000;display:flex;align-items:center;gap:12px;background:#000000d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px 16px;font-family:Geist Mono,monospace;font-size:12px;color:var(--text-primary)}.autotest-status-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}.autotest-results{position:fixed;bottom:16px;right:16px;width:300px;max-height:60vh;z-index:10000;background:#000000e6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:10px;display:flex;flex-direction:column;font-family:Geist Mono,monospace;font-size:11px}.autotest-results-header{padding:10px 14px;font-weight:600;color:var(--accent);border-bottom:1px solid rgba(255,255,255,.08);text-transform:uppercase;font-size:10px;letter-spacing:.6px}.autotest-results-list{overflow-y:auto;flex:1;padding:6px}.autotest-result-item{display:grid;grid-template-columns:20px 1fr auto;align-items:center;gap:6px;padding:6px 8px;border-radius:6px;margin-bottom:2px}.autotest-result-item.passed{background:#34d39914}.autotest-result-item.failed{background:#f8717114}.autotest-result-item.skipped{background:#fbbf2414}.autotest-result-icon{font-size:14px;text-align:center}.autotest-result-item.passed .autotest-result-icon{color:var(--success)}.autotest-result-item.failed .autotest-result-icon{color:var(--danger)}.autotest-result-item.skipped .autotest-result-icon{color:var(--warning)}.autotest-result-name{color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.autotest-result-time{color:var(--text-secondary);font-size:10px}.autotest-result-error{grid-column:1 / -1;color:var(--danger);font-size:10px;padding:4px 0 0 26px;word-break:break-word}.autotest-summary{position:fixed;inset:0;z-index:10001;display:flex;align-items:center;justify-content:center;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.autotest-summary-card{background:#0f0f19fa;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:32px;max-width:800px;width:90vw;max-height:85vh;display:flex;flex-direction:column;font-family:Geist Mono,monospace;box-shadow:0 20px 60px #00000080}.autotest-summary-title{margin:0 0 24px;font-size:20px;font-weight:700;color:var(--text-primary)}.autotest-summary-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}.autotest-stat-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:16px;text-align:center}.autotest-stat-value{font-size:28px;font-weight:700;margin-bottom:4px}.autotest-stat-label{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary)}.autotest-stat-passed .autotest-stat-value{color:var(--success)}.autotest-stat-failed .autotest-stat-value{color:var(--danger)}.autotest-stat-skipped .autotest-stat-value{color:var(--warning)}.autotest-stat-time .autotest-stat-value{color:var(--accent)}.autotest-summary-table-container{flex:1;overflow-y:auto;margin-bottom:20px;border:1px solid rgba(255,255,255,.06);border-radius:8px}.autotest-summary-table{width:100%;border-collapse:collapse;font-size:11px}.autotest-summary-table th{position:sticky;top:0;background:#0f0f19fa;padding:10px 12px;text-align:left;font-weight:600;color:var(--text-secondary);text-transform:uppercase;font-size:10px;letter-spacing:.5px;border-bottom:1px solid rgba(255,255,255,.08)}.autotest-summary-table td{padding:8px 12px;color:var(--text-primary);border-bottom:1px solid rgba(255,255,255,.03)}.autotest-summary-table tbody tr:hover{background:#ffffff08}.autotest-row-failed{background:#f871710a}.autotest-table-status{font-size:14px;font-weight:700}.autotest-table-status.passed{color:var(--success)}.autotest-table-status.failed{color:var(--danger)}.autotest-table-status.skipped{color:var(--warning)}.autotest-table-error{color:var(--danger);font-size:10px;margin-top:4px;opacity:.8}.autotest-summary-actions{display:flex;justify-content:flex-end;gap:10px}.autotest-btn{padding:8px 20px;border-radius:8px;font-size:12px;font-weight:600;font-family:Geist Mono,monospace;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s}.autotest-btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.autotest-btn-primary:hover{background:var(--accent-hover)}.autotest-btn-secondary{background:#ffffff0f;color:var(--text-primary);border-color:#ffffff1a}.autotest-btn-secondary:hover{background:#ffffff1a}.autotest-btn-abort{background:#f8717126;color:var(--danger);border-color:#f871714d;padding:4px 14px;font-size:11px}.autotest-btn-abort:hover{background:#f8717140}@media (max-width: 600px){.autotest-results{width:calc(100vw - 32px);left:16px;right:16px;max-height:40vh}.autotest-status{right:8px;left:8px;top:6px}.autotest-status-text{max-width:200px}.autotest-summary-card{padding:20px}.autotest-summary-stats{grid-template-columns:repeat(2,1fr)}}.demo-category{display:flex;align-items:center;gap:6px}.category-icon{flex-shrink:0;opacity:.6;transition:opacity var(--transition-fast)}.demo-category:hover .category-icon{opacity:1}.demo-item-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-top:7px}.demo-item-content{flex:1;min-width:0}#sidebar-actions{padding:12px 16px;border-bottom:1px solid var(--border)}#sidebar-actions button{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;font-size:12px}#sidebar-header{background:linear-gradient(180deg,rgba(99,102,241,.06) 0%,transparent 100%);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}[data-theme=light] #sidebar-header{background:linear-gradient(180deg,rgba(79,70,229,.04) 0%,transparent 100%)}.breadcrumb-category{font-size:12px;color:var(--text-secondary);font-weight:400}.breadcrumb-separator{color:var(--border);margin:0 8px;font-size:14px;font-weight:300}.breadcrumb-title{font-size:14px;font-weight:500;color:var(--text-primary)}.toolbar-separator{width:1px;height:24px;background:var(--border);flex-shrink:0}.fps-graph-container{display:inline-flex;align-items:center;gap:6px}.fps-graph-canvas{width:60px;height:20px;border-radius:2px;background:#ffffff08}[data-theme=light] .fps-graph-canvas{background:#00000008}.quick-start-section{margin-top:24px;text-align:left}.quick-start-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:12px;text-align:center}.quick-start-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quick-start-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-md);text-decoration:none;transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast);cursor:pointer}.quick-start-card:hover{transform:translateY(-3px);box-shadow:0 4px 16px #6366f11f;border-color:#6366f14d}.quick-start-card-title{font-size:12px;font-weight:600;color:var(--text-primary)}.quick-start-card-desc{font-size:10px;color:var(--text-secondary)}[data-theme=light] .quick-start-card{background:#00000005;border-color:var(--border)}[data-theme=light] .quick-start-card:hover{box-shadow:0 4px 16px #4f46e514;border-color:#4f46e54d}#content:after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(99,102,241,.03) 1px,transparent 1px);background-size:24px 24px;pointer-events:none;z-index:0}[data-theme=light] #content:after{background-image:radial-gradient(circle,rgba(79,70,229,.03) 1px,transparent 1px)}button:hover{transform:translateY(-1px)}button:active{transform:scale(.98)}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px #6366f126}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px #6366f126}[data-theme=light] *:focus-visible{box-shadow:0 0 0 4px #4f46e51a}.loading-spinner{position:relative}.loading-spinner:after{content:"";position:absolute;inset:4px;border:2px solid transparent;border-top-color:var(--accent-hover);border-radius:50%;animation:spin-reverse .6s linear infinite}@keyframes spin-reverse{to{transform:rotate(-360deg)}}@keyframes slideIn{0%{opacity:0;transform:translate(20px) scale(.97)}to{opacity:1;transform:translate(0) scale(1)}}#welcome h2{background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.welcome-feature-icon{display:flex;align-items:center;justify-content:center;margin-bottom:8px}#sidebar{scroll-behavior:smooth}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}*::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}@media (max-width: 480px){.quick-start-grid{grid-template-columns:1fr 1fr;gap:8px}.quick-start-card{padding:10px 8px}}[data-theme=light] .autotest-progress-bar{background:#00000014}[data-theme=light] .autotest-status{background:#ffffffe6;border-color:var(--border);box-shadow:var(--shadow-md)}[data-theme=light] .autotest-results{background:#fffffff2;border-color:var(--border);box-shadow:var(--shadow-lg)}[data-theme=light] .autotest-results-header{border-bottom-color:var(--border)}[data-theme=light] .autotest-result-item.passed{background:#34d3991a}[data-theme=light] .autotest-result-item.failed{background:#f871711a}[data-theme=light] .autotest-result-item.skipped{background:#fbbf241a}[data-theme=light] .autotest-summary{background:#0006}[data-theme=light] .autotest-summary-card{background:#fffffffa;border-color:var(--border);box-shadow:0 20px 60px #00000026}[data-theme=light] .autotest-stat-card{background:#00000005;border-color:var(--border)}[data-theme=light] .autotest-summary-table-container{border-color:var(--border)}[data-theme=light] .autotest-summary-table th{background:#fffffffa;border-bottom-color:var(--border)}[data-theme=light] .autotest-summary-table td{border-bottom-color:#0000000f}[data-theme=light] .autotest-summary-table tbody tr:hover{background:#00000008}[data-theme=light] .autotest-row-failed{background:#f871710f}[data-theme=light] .autotest-btn-secondary{background:#0000000a;border-color:var(--border)}[data-theme=light] .autotest-btn-secondary:hover{background:#00000014}[data-theme=light] .autotest-btn-abort{background:#f871711a;border-color:#f8717140}[data-theme=light] .autotest-btn-abort:hover{background:#f871712e}