:root{--color-bg-primary: #0a0e1a;--color-bg-secondary: #151925;--color-bg-tertiary: #1f2433;--color-accent-primary: #6366f1;--color-accent-secondary: #8b5cf6;--color-accent-glow: rgba(99, 102, 241, .3);--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--glass-bg: rgba(31, 36, 51, .7);--glass-border: rgba(255, 255, 255, .1);--glass-blur: 12px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px var(--color-accent-glow);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "Fira Code", "Courier New", monospace}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100%;position:relative}.glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-lg)}.glow{box-shadow:var(--shadow-glow)}.hardware-accelerated{will-change:transform;transform:translateZ(0);backface-visibility:hidden}.physics-body{position:absolute;top:0;left:0;will-change:transform;transform-origin:center center;pointer-events:auto;user-select:none;-webkit-user-select:none}.physics-box{border-radius:var(--radius-sm);box-shadow:var(--shadow-md);transition:box-shadow .2s ease}.physics-box:hover{box-shadow:var(--shadow-lg),var(--shadow-glow)}.physics-circle{border-radius:50%;box-shadow:var(--shadow-md)}.control-panel{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);width:280px;padding:var(--spacing-lg);z-index:1000}.control-panel h2{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-md);color:var(--color-text-primary)}.control-section{margin-bottom:var(--spacing-lg)}.control-section h3{font-size:.875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.button{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-accent-primary);color:#fff;border:none;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;margin-bottom:var(--spacing-sm)}.button:hover{background:var(--color-accent-secondary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.button:active{transform:translateY(0)}.button-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.button-secondary:hover{background:var(--color-bg-secondary)}.button-danger{background:var(--color-danger)}.button-danger:hover{background:#dc2626}.performance-monitor{position:fixed;top:var(--spacing-lg);left:var(--spacing-lg);padding:var(--spacing-md);font-family:var(--font-mono);font-size:.75rem;z-index:1000;min-width:150px}.perf-stat{display:flex;justify-content:space-between;margin-bottom:var(--spacing-xs)}.perf-label{color:var(--color-text-secondary)}.perf-value{color:var(--color-accent-primary);font-weight:600}.perf-value.warning{color:var(--color-warning)}.perf-value.danger{color:var(--color-danger)}.debug-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:999;opacity:.8}.particle-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:500}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow-pulse{0%,to{box-shadow:var(--shadow-glow)}50%{box-shadow:0 0 30px var(--color-accent-glow)}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-primary)}@media (max-width: 768px){.control-panel{width:100%;top:auto;bottom:0;right:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.performance-monitor{top:var(--spacing-sm);left:var(--spacing-sm);font-size:.625rem}}