*{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-width: 300px;--right-panel-width: 360px;--transition-speed: .4s;--accent-color: #00ffcc;--bg-dark: rgba(12, 12, 16, .85);--border-light: rgba(255, 255, 255, .08);--gpu-color: #00ffcc;--cpu-color: #ffcc00}@media(max-width:1024px){:root{--sidebar-width: 250px;--right-panel-width: 220px}}@media(max-width:768px){:root{--sidebar-width: 280px;--right-panel-width: calc(100% - 60px) }}body{font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden;background-color:#000}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#fff3;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#fff6}#gpuCanvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1}input[type=range]{-webkit-appearance:none;width:100%;background:transparent}input[type=range]:focus{outline:none}input[type=range]::-webkit-slider-runnable-track{width:100%;height:4px;background:#ffffff26;border-radius:2px;transition:background .2s}input[type=range]:hover::-webkit-slider-runnable-track{background:#ffffff40}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;height:16px;width:16px;border-radius:50%;background:var(--accent-color);margin-top:-6px;cursor:pointer;box-shadow:0 0 10px #0fc6;transition:transform .15s ease,box-shadow .15s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 15px #0fc9}#sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:linear-gradient(135deg,#0f0f14f2,#0a0a0ccc);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--border-light);z-index:1000;color:#fff;transition:transform var(--transition-speed) cubic-bezier(.77,0,.175,1);overflow:visible}#sidebar.collapsed{transform:translate(-100%)}.sidebar-scroll-area{height:100%;width:100%;overflow-y:auto;overflow-x:hidden;padding:40px 24px}#sidebar-toggle{position:absolute;top:24px;right:-44px;width:44px;height:44px;background:var(--accent-color);border:none;border-radius:0 8px 8px 0;color:#000;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1001;box-shadow:5px 0 15px #00000080;transition:transform var(--transition-speed) ease}#sidebar.collapsed #sidebar-toggle svg{transform:rotate(180deg);transition:transform .3s ease}.nav-header{font-size:1.5rem;font-weight:900;margin-bottom:40px;letter-spacing:2px}.nav-header span{color:var(--accent-color)}.nav-section{color:#777;text-transform:uppercase;font-size:.75rem;font-weight:700;letter-spacing:1.2px;margin:30px 0 10px;padding-left:12px}.nav-item{font-size:.9rem;font-weight:500;margin-bottom:4px;padding:10px 12px;border-radius:6px;cursor:pointer;color:#aaa;transition:all .2s ease;border-left:3px solid transparent}.nav-item:hover{background:#ffffff0d;color:#fff}.nav-item.active{background:#00ffcc14;color:var(--accent-color);border-left:3px solid var(--accent-color)}.sub-nav{padding-left:24px;font-size:.85rem}.nav-group{margin-bottom:4px}.nav-group-title{font-size:.9rem;font-weight:500;padding:10px 12px;border-radius:6px;cursor:pointer;color:#aaa;transition:all .2s ease;list-style:none;position:relative;user-select:none;border-left:3px solid transparent}.nav-group-title::-webkit-details-marker{display:none}.nav-group-title:hover{background:#ffffff0d;color:#fff}.nav-group-title:after{content:"\25bc";font-size:.6rem;position:absolute;right:12px;top:50%;transform:translateY(-50%) rotate(-90deg);transition:transform .2s ease;color:#777}details[open]>.nav-group-title:after{transform:translateY(-50%) rotate(0);color:var(--accent-color)}.nav-group-content{padding-left:8px;margin-top:4px}#control-panel{position:fixed;top:0;right:0;width:var(--right-panel-width);height:100vh;background:linear-gradient(225deg,#0f0f14f2,#0a0a0ccc);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-left:1px solid var(--border-light);z-index:90;color:#fff;box-shadow:-10px 0 40px #0006;transition:transform var(--transition-speed) cubic-bezier(.77,0,.175,1)}#control-panel.collapsed{transform:translate(100%)}.right-panel-scroll-area{height:100%;width:100%;overflow-y:auto;overflow-x:hidden;padding:90px 24px 40px}#right-panel-toggle{position:absolute;top:24px;left:-44px;width:44px;height:44px;background:var(--accent-color);border:none;border-radius:8px 0 0 8px;color:#000;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1001;box-shadow:-5px 0 15px #00000080;transition:transform var(--transition-speed) ease}#control-panel.collapsed #right-panel-toggle svg{transform:rotate(180deg);transition:transform .3s ease}.panel-header{font-size:1.05rem;font-weight:700;margin-bottom:30px;letter-spacing:1px;color:var(--accent-color);border-bottom:1px solid var(--border-light);padding-bottom:12px;text-transform:uppercase}.control-group{margin-bottom:25px}.control-group label{display:flex;justify-content:space-between;font-size:.85rem;color:#aaa;margin-bottom:12px;font-weight:600}.highlight{color:#fff;font-variant-numeric:tabular-nums}.panel-divider{border:0;height:1px;background:var(--border-light);margin:30px 0 25px}#demo-info-container{opacity:1}#info-title{color:var(--accent-color);margin-bottom:12px;font-size:1.25rem;font-weight:800;letter-spacing:.5px}.concept-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:25px}.tag{background:#00ffcc14;color:var(--accent-color);padding:4px 8px;border-radius:4px;font-size:.65rem;font-weight:700;text-transform:uppercase;border:1px solid rgba(0,255,204,.2)}.info-section{margin-bottom:10px;background:#ffffff08;border:1px solid var(--border-light);border-radius:8px;overflow:hidden}.info-section summary{padding:12px 16px;font-size:.85rem;font-weight:700;color:#eee;text-transform:uppercase;letter-spacing:1px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;background:#0003;transition:background .2s}.info-section summary:hover{background:#00ffcc0d}.info-section summary:after{content:"\25bc";font-size:.7rem;color:var(--accent-color);transition:transform .3s ease}.info-section[open] 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.neon{color:var(--peak-color);text-shadow:0 0 15px var(--peak-glow)}@keyframes breath{0%,to{opacity:.6;transform:scale(.98)}50%{opacity:1;transform:scale(1)}}.engine-drawer{flex-shrink:0;background:#08080bfa;border-top:1px solid var(--border-light);padding:24px 24px 30px;box-shadow:0 -10px 30px #0006;max-height:50vh;overflow-y:auto}.engine-drawer .panel-header{margin-bottom:20px}.engine-accordion summary{background:#00ffcc1a;color:var(--accent-color);border-bottom:1px solid var(--border-light)}.tutorial-layout{display:flex;height:600px;background:#0a0a0a;border:1px solid #333;border-radius:8px;overflow:hidden}.tutorial-sidebar{width:40%;display:flex;flex-direction:column;padding:15px;border-right:1px solid #333}#monaco-editor-container{flex-grow:1;margin-top:10px}.tutorial-preview{width:60%;position:relative;background:#000}#sandboxCanvas{width:100%;height:100%}#error-display{position:absolute;bottom:10px;left:10px;right:10px;background:#f00c;color:#fff;padding:10px;font-family:monospace;font-size:12px;border-radius:4px}