: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;padding:0}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{width:100%;margin:0;padding:0;text-align:center;display:flex;flex-direction:column;min-height:100vh}.page-logo{position:fixed;top:1rem;left:1rem;width:50px;height:auto;z-index:1000}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa);transform:scaleY(1.1)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.app-container{max-width:600px;margin:0 auto;padding:2rem 0 3rem;display:flex;flex-direction:column;align-items:center;min-height:80vh}.header{margin-top:8rem;background-color:#fff;border:1px solid #e0e0e0;box-shadow:0 4px 12px #0000001a;padding:3rem;border-radius:16px;text-align:center;max-width:400px;width:90%}.header h1{font-size:2.5rem;font-family:Fredoka,sans-serif;margin:0 0 1rem;color:#000;font-weight:700}.text{font-size:1.2rem;font-family:"Baloo 2",cursive;color:#555;margin-bottom:1.5rem}.header-icon{width:100px;height:auto;margin:1rem 0}.header p{font-size:1.1rem;color:#333;margin-bottom:2rem}.start-button{padding:.8rem 1.6rem;font-size:1rem;font-weight:600;background-color:#000;color:#fff;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .3s ease;font-family:"Baloo 2",cursive}.start-button:hover{background-color:#fff;color:#000;border:2px solid #000}.difficulty-card{margin-top:8rem;background-color:#fff;border:1px solid #e0e0e0;box-shadow:0 4px 12px #0000001a;padding:3rem;border-radius:16px;text-align:center;max-width:400px;width:90%;margin-left:auto;margin-right:auto}.difficulty-title{font-size:2rem;font-weight:700;margin-bottom:2rem;color:#000;font:"Fredoka",sans-serif}.difficulty-card button{display:block;margin:1rem auto;padding:.7rem 0;width:180px;font-size:1.1rem;border:2px solid #555;border-radius:4px;background:#fff;cursor:pointer;font-weight:700;transition:background .15s;text-align:center;color:#000;font:"Baloo 2",cursive}.difficulty-card button:hover{background:#c7e8fd}body,#root{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;margin:0;background:#fff}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:2rem 1rem;gap:2rem}.footer{margin-top:auto;width:100%;background:#000;color:#fff;text-align:center;padding:1rem 0;font-size:.9rem;font-weight:400;letter-spacing:.3px;box-shadow:0 -2px 10px #0000001a}.status-panel{display:flex;justify-content:center;gap:2rem;margin-top:1rem;font-size:1.1rem;color:#000;background-color:#fff;padding:1rem;border-radius:8px;font-size:30px}.win-screen{text-align:center;background:#fff;color:#000;padding:2rem;border-radius:12px;box-shadow:0 0 20px #0000001a;margin-top:4rem}.win-screen h2{font-size:2rem;margin-bottom:1rem}.win-screen p{margin:.5rem 0;font-size:1.2rem}.home-button{margin-top:1rem;background-color:#000;color:#fff;padding:.6rem 1.2rem;font-size:1rem;border:none;border-radius:8px;cursor:pointer}.home-button:hover{background-color:#222}.game-board{width:100%;max-width:430px;margin:0 auto;display:flex;flex-direction:column;align-items:center;padding-top:11rem}.grid{display:grid;gap:1.5rem;justify-content:center}.grid-easy{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr)}.grid-medium{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,1fr)}.grid-hard{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr)}.card{width:120px;height:120px;perspective:800px;cursor:pointer}.card:hover{transform:scale(1.05);transition:transform .2s ease-in-out}.card-inner{width:100%;height:100%;transition:transform .4s cubic-bezier(.4,2.08,.55,.44);transform-style:preserve-3d;position:relative}.card.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{width:100%;height:100%;border-radius:12px;position:absolute;top:0;left:0;backface-visibility:hidden;display:flex;align-items:center;justify-content:center}.card-back{background:#eee;border:1px solid #ccc}.card-front{background:#fff;transform:rotateY(180deg)}.card-front img{width:80px;height:80px}