:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .2);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .8);--shadow-light: 0 8px 32px rgba(31, 38, 135, .37);--shadow-heavy: 0 15px 35px rgba(0, 0, 0, .2)}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:var(--primary-gradient);background-size:400% 400%;animation:gradientShift 15s ease infinite;color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;align-items:center;justify-content:center}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.2}p{margin:0;line-height:1.6}button{font-family:inherit;outline:none}*{box-sizing:border-box}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff80}footer{margin-top:14px;color:#a7b6d9;font-size:13px}.app-container{width:100%;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb,#f5576c,#4facfe);background-size:400% 400%;animation:gradientShift 15s ease infinite;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;box-sizing:border-box;overflow:hidden;position:relative}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.game-container{width:100%;height:100vh;max-width:1200px;margin:0 auto;display:flex;flex-direction:column;position:relative}.hidden-video{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}@media (max-width: 768px){.app-container{padding:10px}}@media (orientation: landscape) and (max-height: 500px){.game-container{height:auto;min-height:100vh}}.difficulty-selection{text-align:center;color:#fff;padding:30px;max-width:800px;margin:0 auto;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff1a;border-radius:25px;border:1px solid rgba(255,255,255,.2);box-shadow:0 20px 40px #0000001a}.title-container{margin-bottom:2rem}.difficulty-selection h1{font-size:3.5rem;margin-bottom:.5rem;background:linear-gradient(45deg,#ff6b6b,#4ecdc4,#45b7d1,#96ceb4,#ffeaa7);background-size:200% 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rgba(255,255,255,.2);color:#fff;min-height:80px}.difficulty-btn:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 15px 35px #0003;border-color:#fff6}.difficulty-btn:active{transform:translateY(-2px) scale(.98)}.difficulty-btn.easy:hover{background:linear-gradient(135deg,#4ade80,#22c55e);box-shadow:0 15px 35px #4ade8066}.difficulty-btn.medium:hover{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 15px 35px #fbbf2466}.difficulty-btn.hard:hover{background:linear-gradient(135deg,#f87171,#ef4444);box-shadow:0 15px 35px #f8717166}.btn-icon{font-size:2rem;margin-right:20px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.btn-text{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.btn-text strong{font-size:1.3rem;font-weight:700;margin-bottom:4px}.btn-text small{font-size:.9rem;opacity:.8;font-weight:400}.footer-text{margin-top:2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.2)}.footer-text p{font-size:1.1rem;margin:0;opacity:.8;font-weight:500}@media (min-width: 768px){.difficulty-buttons{flex-direction:row;justify-content:center;gap:25px}.difficulty-btn{min-width:220px;flex:1;max-width:280px}}@media (max-width: 480px){.difficulty-selection{padding:20px}.difficulty-selection h1{font-size:2.5rem}.difficulty-selection h2{font-size:1.2rem}.difficulty-selection p{font-size:1rem}.difficulty-btn{padding:15px 20px;font-size:16px;min-height:70px}.btn-icon{font-size:1.5rem;margin-right:15px}.btn-text strong{font-size:1.1rem}.btn-text small{font-size:.8rem}}.game-board{position:relative;display:flex;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;box-sizing:border-box}canvas{border:3px solid rgba(255,255,255,.3);cursor:pointer;touch-action:none;background:#000;max-width:100%;max-height:100%;object-fit:contain;border-radius:20px;box-shadow:0 10px 30px #0000004d,0 0 0 1px #ffffff1a,inset 0 1px #fff3;transition:all .3s 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768px){.game-board{padding:10px}canvas{border-width:1px}.camera-error{padding:12px 16px;font-size:13px;bottom:10px}.camera-error p{font-size:13px}.retry-button{padding:6px 12px;font-size:11px}.camera-loading{padding:20px}.camera-loading p{font-size:13px}.loading-spinner{width:24px;height:24px;border-width:2px}}@media (orientation: landscape) and (max-height: 500px){.game-board{padding:5px}}.game-header{position:absolute;top:20px;left:0;right:0;display:flex;justify-content:center;align-items:center;padding:10px;z-index:10}.back-button{position:absolute;left:20px;padding:12px 20px;font-size:14px;font-weight:600;border:none;border-radius:15px;background:linear-gradient(135deg,#ff6b6b,#ee5a52);color:#fff;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.2);box-shadow:0 5px 15px #ff6b6b4d}.back-button:hover{background:linear-gradient(135deg,#ff5252,#e53e3e);transform:translateY(-2px);box-shadow:0 8px 25px 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