:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:800px;margin:0 auto;padding:2rem;text-align:center;min-height:100vh;background:linear-gradient(135deg,#ff9a9e,#fecfef,#fecfef);direction:rtl;font-family:Arial,sans-serif}.game-container{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 10px 30px #0000001a;margin:1rem}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}h1{color:#ff6b6b;font-size:2.5rem;margin:0;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.sound-toggle{font-size:2rem;padding:.5rem;background:#f8f9ff;border:2px solid #4a90e2;border-radius:50%;cursor:pointer;width:60px;height:60px;display:flex;align-items:center;justify-content:center;transition:all .2s}.sound-toggle:hover{transform:scale(1.1);background:#e3f2fd}.emoji-counter{background:#f8f9ff;border-radius:15px;padding:1rem;margin:1.5rem 0;border:3px solid #e3f2fd}.emoji-counter p{font-size:1.2rem;color:#4a90e2;margin:.5rem 0;font-weight:700}.emoji-display{font-size:2rem;margin:.5rem 0}.problem-section{margin:2rem 0}.math-problem{font-size:3rem;font-weight:700;color:#333;margin:2rem 0;padding:1rem;background:#fff3e0;border-radius:15px;border:3px solid #ffcc80;direction:ltr}.math-problem .number,.math-problem .operation,.math-problem .equals,.math-problem .question{margin:0 .5rem;display:inline-block}.math-problem .operation{color:#ff6b6b}.math-problem .question{color:#4a90e2}.answer-form{margin:2rem 0;display:flex;flex-direction:column;align-items:center;gap:1rem}.answer-input{font-size:2rem;padding:1rem;border:3px solid #4a90e2;border-radius:10px;width:150px;text-align:center;background:#f8f9ff;color:#333}.answer-input::-webkit-outer-spin-button,.answer-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.answer-input[type=number]{-moz-appearance:textfield}.answer-input:focus{outline:none;border-color:#ff6b6b;box-shadow:0 0 10px #ff6b6b4d}.submit-btn,.play-again-btn{font-size:1.2rem;padding:1rem 2rem;background:linear-gradient(45deg,#4a90e2,#7b68ee);color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:700;box-shadow:0 4px 15px #4a90e24d;transition:transform .2s}.submit-btn:hover,.play-again-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4a90e266}.feedback{font-size:2rem;font-weight:700;margin:1rem 0;padding:1rem;border-radius:10px;animation:bounce .5s ease-in-out}.feedback:contains("🎉"){background:#e8f5e8;color:#4caf50;border:2px solid #4caf50}.feedback{background:#fff3e0;color:#ff9800;border:2px solid #ff9800}@keyframes bounce{0%,20%,60%,to{transform:translateY(0)}40%{transform:translateY(-20px)}80%{transform:translateY(-10px)}}@media (max-width: 600px){.math-problem{font-size:2rem}.answer-input{font-size:1.2rem;width:100px;padding:.75rem;height:auto;min-height:50px;line-height:1.2}h1{font-size:2rem}.header{flex-direction:column;gap:1rem}.sound-toggle{width:50px;height:50px;font-size:1.5rem}}