*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #00d4ff;--secondary-color: #ff6b6b;--accent-color: #4ecdc4;--dark-bg: #0a0a0a;--darker-bg: #050505;--light-text: #ffffff;--gray-text: #a0a0a0;--gradient-primary: linear-gradient(135deg, #00d4ff 0%, #4ecdc4 100%);--gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);--gradient-rainbow: linear-gradient(45deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3);--gradient-holographic: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607);--font-primary: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--shadow-glow: 0 0 20px rgba(0, 212, 255, .2);--shadow-neon: 0 0 5px currentColor;--transition-smooth: all .2s ease;--transition-bounce: all .3s cubic-bezier(.68, -.55, .265, 1.55);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1)}@media (prefers-reduced-motion: 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var(--primary-color);border-radius:12px;padding:20px;color:var(--light-text);font-size:14px;z-index:1000;opacity:0;transform:translateY(-20px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #00d4ff33;max-width:300px}.control-hints h4{margin:0 0 15px;color:var(--primary-color);font-size:16px;text-align:center;border-bottom:1px solid rgba(0,212,255,.3);padding-bottom:10px}.hint-group{margin-bottom:10px;line-height:1.4}.hint-group strong{color:var(--accent-color);display:inline-block;min-width:60px}#three-container canvas{transition:filter .3s ease}#three-container canvas:hover{filter:brightness(1.1)}.three-object-selected{filter:drop-shadow(0 0 20px var(--primary-color))}@media (max-width: 768px){*{max-width:100vw;box-sizing:border-box}html,body{overflow-x:hidden;max-width:100vw;touch-action:manipulation;width:100%}.container{max-width:100%;padding:0 15px;width:100%;box-sizing:border-box}.developer-info{margin:2rem 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